diff options
1102 files changed, 12236 insertions, 6019 deletions
@@ -538,6 +538,8 @@ Shuah Khan <shuah@kernel.org> <shuah.kh@samsung.com> Sibi Sankar <quic_sibis@quicinc.com> <sibis@codeaurora.org> Sid Manning <quic_sidneym@quicinc.com> <sidneym@codeaurora.org> Simon Arlott <simon@octiron.net> <simon@fire.lp0.eu> +Simon Horman <horms@kernel.org> <simon.horman@corigine.com> +Simon Horman <horms@kernel.org> <simon.horman@netronome.com> Simon Kelley <simon@thekelleys.org.uk> Sricharan Ramabadhran <quic_srichara@quicinc.com> <sricharan@codeaurora.org> Srinivas Ramana <quic_sramana@quicinc.com> <sramana@codeaurora.org> diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev index 78b62a23b14a..f6d9d72ce77b 100644 --- a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev @@ -13,7 +13,7 @@ Description: Specifies the duration of the LED blink in milliseconds. Defaults to 50 ms. - With hw_control ON, the interval value MUST be set to the + When offloaded is true, the interval value MUST be set to the default value and cannot be changed. Trying to set any value in this specific mode will return an EINVAL error. @@ -44,8 +44,8 @@ Description: If set to 1, the LED will blink for the milliseconds specified in interval to signal transmission. - With hw_control ON, the blink interval is controlled by hardware - and won't reflect the value set in interval. + When offloaded is true, the blink interval is controlled by + hardware and won't reflect the value set in interval. What: /sys/class/leds/<led>/rx Date: Dec 2017 @@ -59,21 +59,21 @@ Description: If set to 1, the LED will blink for the milliseconds specified in interval to signal reception. - With hw_control ON, the blink interval is controlled by hardware - and won't reflect the value set in interval. + When offloaded is true, the blink interval is controlled by + hardware and won't reflect the value set in interval. -What: /sys/class/leds/<led>/hw_control +What: /sys/class/leds/<led>/offloaded Date: Jun 2023 KernelVersion: 6.5 Contact: linux-leds@vger.kernel.org Description: - Communicate whether the LED trigger modes are driven by hardware - or software fallback is used. + Communicate whether the LED trigger modes are offloaded to + hardware or whether software fallback is used. If 0, the LED is using software fallback to blink. - If 1, the LED is using hardware control to blink and signal the - requested modes. + If 1, the LED blinking in requested mode is offloaded to + hardware. What: /sys/class/leds/<led>/link_10 Date: Jun 2023 diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index ecd585ca2d50..77942eedf4f6 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -513,17 +513,18 @@ Description: information about CPUs heterogeneity. cpu_capacity: capacity of cpuX. What: /sys/devices/system/cpu/vulnerabilities + /sys/devices/system/cpu/vulnerabilities/gather_data_sampling + /sys/devices/system/cpu/vulnerabilities/itlb_multihit + /sys/devices/system/cpu/vulnerabilities/l1tf + /sys/devices/system/cpu/vulnerabilities/mds /sys/devices/system/cpu/vulnerabilities/meltdown + /sys/devices/system/cpu/vulnerabilities/mmio_stale_data + /sys/devices/system/cpu/vulnerabilities/retbleed + /sys/devices/system/cpu/vulnerabilities/spec_store_bypass /sys/devices/system/cpu/vulnerabilities/spectre_v1 /sys/devices/system/cpu/vulnerabilities/spectre_v2 - /sys/devices/system/cpu/vulnerabilities/spec_store_bypass - /sys/devices/system/cpu/vulnerabilities/l1tf - /sys/devices/system/cpu/vulnerabilities/mds /sys/devices/system/cpu/vulnerabilities/srbds /sys/devices/system/cpu/vulnerabilities/tsx_async_abort - /sys/devices/system/cpu/vulnerabilities/itlb_multihit - /sys/devices/system/cpu/vulnerabilities/mmio_stale_data - /sys/devices/system/cpu/vulnerabilities/retbleed Date: January 2018 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> Description: Information about CPU vulnerabilities diff --git a/Documentation/ABI/testing/sysfs-platform-hidma b/Documentation/ABI/testing/sysfs-platform-hidma index fca40a54df59..a80aeda85ef6 100644 --- a/Documentation/ABI/testing/sysfs-platform-hidma +++ b/Documentation/ABI/testing/sysfs-platform-hidma @@ -2,7 +2,7 @@ What: /sys/devices/platform/hidma-*/chid /sys/devices/platform/QCOM8061:*/chid Date: Dec 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains the ID of the channel within the HIDMA instance. It is used to associate a given HIDMA channel with the diff --git a/Documentation/ABI/testing/sysfs-platform-hidma-mgmt b/Documentation/ABI/testing/sysfs-platform-hidma-mgmt index 3b6c5c9eabdc..0373745b4e18 100644 --- a/Documentation/ABI/testing/sysfs-platform-hidma-mgmt +++ b/Documentation/ABI/testing/sysfs-platform-hidma-mgmt @@ -2,7 +2,7 @@ What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/priority /sys/devices/platform/QCOM8060:*/chanops/chan*/priority Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains either 0 or 1 and indicates if the DMA channel is a low priority (0) or high priority (1) channel. @@ -11,7 +11,7 @@ What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/weight /sys/devices/platform/QCOM8060:*/chanops/chan*/weight Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains 0..15 and indicates the weight of the channel among equal priority channels during round robin scheduling. @@ -20,7 +20,7 @@ What: /sys/devices/platform/hidma-mgmt*/chreset_timeout_cycles /sys/devices/platform/QCOM8060:*/chreset_timeout_cycles Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains the platform specific cycle value to wait after a reset command is issued. If the value is chosen too short, @@ -32,7 +32,7 @@ What: /sys/devices/platform/hidma-mgmt*/dma_channels /sys/devices/platform/QCOM8060:*/dma_channels Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains the number of dma channels supported by one instance of HIDMA hardware. The value may change from chip to chip. @@ -41,7 +41,7 @@ What: /sys/devices/platform/hidma-mgmt*/hw_version_major /sys/devices/platform/QCOM8060:*/hw_version_major Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Version number major for the hardware. @@ -49,7 +49,7 @@ What: /sys/devices/platform/hidma-mgmt*/hw_version_minor /sys/devices/platform/QCOM8060:*/hw_version_minor Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Version number minor for the hardware. @@ -57,7 +57,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_rd_xactions /sys/devices/platform/QCOM8060:*/max_rd_xactions Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains a value between 0 and 31. Maximum number of read transactions that can be issued back to back. @@ -69,7 +69,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_read_request /sys/devices/platform/QCOM8060:*/max_read_request Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Size of each read request. The value needs to be a power of two and can be between 128 and 1024. @@ -78,7 +78,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_wr_xactions /sys/devices/platform/QCOM8060:*/max_wr_xactions Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Contains a value between 0 and 31. Maximum number of write transactions that can be issued back to back. @@ -91,7 +91,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_write_request /sys/devices/platform/QCOM8060:*/max_write_request Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@codeaurora.org>" +Contact: "Sinan Kaya <okaya@kernel.org>" Description: Size of each write request. The value needs to be a power of two and can be between 128 and 1024. diff --git a/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst new file mode 100644 index 000000000000..264bfa937f7d --- /dev/null +++ b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst @@ -0,0 +1,109 @@ +.. SPDX-License-Identifier: GPL-2.0 + +GDS - Gather Data Sampling +========================== + +Gather Data Sampling is a hardware vulnerability which allows unprivileged +speculative access to data which was previously stored in vector registers. + +Problem +------- +When a gather instruction performs loads from memory, different data elements +are merged into the destination vector register. However, when a gather +instruction that is transiently executed encounters a fault, stale data from +architectural or internal vector registers may get transiently forwarded to the +destination vector register instead. This will allow a malicious attacker to +infer stale data using typical side channel techniques like cache timing +attacks. GDS is a purely sampling-based attack. + +The attacker uses gather instructions to infer the stale vector register data. +The victim does not need to do anything special other than use the vector +registers. The victim does not need to use gather instructions to be +vulnerable. + +Because the buffers are shared between Hyper-Threads cross Hyper-Thread attacks +are possible. + +Attack scenarios +---------------- +Without mitigation, GDS can infer stale data across virtually all +permission boundaries: + + Non-enclaves can infer SGX enclave data + Userspace can infer kernel data + Guests can infer data from hosts + Guest can infer guest from other guests + Users can infer data from other users + +Because of this, it is important to ensure that the mitigation stays enabled in +lower-privilege contexts like guests and when running outside SGX enclaves. + +The hardware enforces the mitigation for SGX. Likewise, VMMs should ensure +that guests are not allowed to disable the GDS mitigation. If a host erred and +allowed this, a guest could theoretically disable GDS mitigation, mount an +attack, and re-enable it. + +Mitigation mechanism +-------------------- +This issue is mitigated in microcode. The microcode defines the following new +bits: + + ================================ === ============================ + IA32_ARCH_CAPABILITIES[GDS_CTRL] R/O Enumerates GDS vulnerability + and mitigation support. + IA32_ARCH_CAPABILITIES[GDS_NO] R/O Processor is not vulnerable. + IA32_MCU_OPT_CTRL[GDS_MITG_DIS] R/W Disables the mitigation + 0 by default. + IA32_MCU_OPT_CTRL[GDS_MITG_LOCK] R/W Locks GDS_MITG_DIS=0. Writes + to GDS_MITG_DIS are ignored + Can't be cleared once set. + ================================ === ============================ + +GDS can also be mitigated on systems that don't have updated microcode by +disabling AVX. This can be done by setting gather_data_sampling="force" or +"clearcpuid=avx" on the kernel command-line. + +If used, these options will disable AVX use by turning off XSAVE YMM support. +However, the processor will still enumerate AVX support. Userspace that +does not follow proper AVX enumeration to check both AVX *and* XSAVE YMM +support will break. + +Mitigation control on the kernel command line +--------------------------------------------- +The mitigation can be disabled by setting "gather_data_sampling=off" or +"mitigations=off" on the kernel command line. Not specifying either will default +to the mitigation being enabled. Specifying "gather_data_sampling=force" will +use the microcode mitigation when available or disable AVX on affected systems +where the microcode hasn't been updated to include the mitigation. + +GDS System Information +------------------------ +The kernel provides vulnerability status information through sysfs. For +GDS this can be accessed by the following sysfs file: + +/sys/devices/system/cpu/vulnerabilities/gather_data_sampling + +The possible values contained in this file are: + + ============================== ============================================= + Not affected Processor not vulnerable. + Vulnerable Processor vulnerable and mitigation disabled. + Vulnerable: No microcode Processor vulnerable and microcode is missing + mitigation. + Mitigation: AVX disabled, + no microcode Processor is vulnerable and microcode is missing + mitigation. AVX disabled as mitigation. + Mitigation: Microcode Processor is vulnerable and mitigation is in + effect. + Mitigation: Microcode (locked) Processor is vulnerable and mitigation is in + effect and cannot be disabled. + Unknown: Dependent on + hypervisor status Running on a virtual guest processor that is + affected but with no way to know if host + processor is mitigated or vulnerable. + ============================== ============================================= + +GDS Default mitigation +---------------------- +The updated microcode will enable the mitigation by default. The kernel's +default action is to leave the mitigation enabled. diff --git a/Documentation/admin-guide/hw-vuln/index.rst b/Documentation/admin-guide/hw-vuln/index.rst index e0614760a99e..de99caabf65a 100644 --- a/Documentation/admin-guide/hw-vuln/index.rst +++ b/Documentation/admin-guide/hw-vuln/index.rst @@ -13,9 +13,11 @@ are configurable at compile, boot or run time. l1tf mds tsx_async_abort - multihit.rst - special-register-buffer-data-sampling.rst - core-scheduling.rst - l1d_flush.rst - processor_mmio_stale_data.rst - cross-thread-rsb.rst + multihit + special-register-buffer-data-sampling + core-scheduling + l1d_flush + processor_mmio_stale_data + cross-thread-rsb + srso + gather_data_sampling diff --git a/Documentation/admin-guide/hw-vuln/srso.rst b/Documentation/admin-guide/hw-vuln/srso.rst new file mode 100644 index 000000000000..b6cfb51cb0b4 --- /dev/null +++ b/Documentation/admin-guide/hw-vuln/srso.rst @@ -0,0 +1,150 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Speculative Return Stack Overflow (SRSO) +======================================== + +This is a mitigation for the speculative return stack overflow (SRSO) +vulnerability found on AMD processors. The mechanism is by now the well +known scenario of poisoning CPU functional units - the Branch Target +Buffer (BTB) and Return Address Predictor (RAP) in this case - and then +tricking the elevated privilege domain (the kernel) into leaking +sensitive data. + +AMD CPUs predict RET instructions using a Return Address Predictor (aka +Return Address Stack/Return Stack Buffer). In some cases, a non-architectural +CALL instruction (i.e., an instruction predicted to be a CALL but is +not actually a CALL) can create an entry in the RAP which may be used +to predict the target of a subsequent RET instruction. + +The specific circumstances that lead to this varies by microarchitecture +but the concern is that an attacker can mis-train the CPU BTB to predict +non-architectural CALL instructions in kernel space and use this to +control the speculative target of a subsequent kernel RET, potentially +leading to information disclosure via a speculative side-channel. + +The issue is tracked under CVE-2023-20569. + +Affected processors +------------------- + +AMD Zen, generations 1-4. That is, all families 0x17 and 0x19. Older +processors have not been investigated. + +System information and options +------------------------------ + +First of all, it is required that the latest microcode be loaded for +mitigations to be effective. + +The sysfs file showing SRSO mitigation status is: + + /sys/devices/system/cpu/vulnerabilities/spec_rstack_overflow + +The possible values in this file are: + + * 'Not affected': + + The processor is not vulnerable + + * 'Vulnerable: no microcode': + + The processor is vulnerable, no microcode extending IBPB + functionality to address the vulnerability has been applied. + + * 'Mitigation: microcode': + + Extended IBPB functionality microcode patch has been applied. It does + not address User->Kernel and Guest->Host transitions protection but it + does address User->User and VM->VM attack vectors. + + Note that User->User mitigation is controlled by how the IBPB aspect in + the Spectre v2 mitigation is selected: + + * conditional IBPB: + + where each process can select whether it needs an IBPB issued + around it PR_SPEC_DISABLE/_ENABLE etc, see :doc:`spectre` + + * strict: + + i.e., always on - by supplying spectre_v2_user=on on the kernel + command line + + (spec_rstack_overflow=microcode) + + * 'Mitigation: safe RET': + + Software-only mitigation. It complements the extended IBPB microcode + patch functionality by addressing User->Kernel and Guest->Host + transitions protection. + + Selected by default or by spec_rstack_overflow=safe-ret + + * 'Mitigation: IBPB': + + Similar protection as "safe RET" above but employs an IBPB barrier on + privilege domain crossings (User->Kernel, Guest->Host). + + (spec_rstack_overflow=ibpb) + + * 'Mitigation: IBPB on VMEXIT': + + Mitigation addressing the cloud provider scenario - the Guest->Host + transitions only. + + (spec_rstack_overflow=ibpb-vmexit) + + + +In order to exploit vulnerability, an attacker needs to: + + - gain local access on the machine + + - break kASLR + + - find gadgets in the running kernel in order to use them in the exploit + + - potentially create and pin an additional workload on the sibling + thread, depending on the microarchitecture (not necessary on fam 0x19) + + - run the exploit + +Considering the performance implications of each mitigation type, the +default one is 'Mitigation: safe RET' which should take care of most +attack vectors, including the local User->Kernel one. + +As always, the user is advised to keep her/his system up-to-date by +applying software updates regularly. + +The default setting will be reevaluated when needed and especially when +new attack vectors appear. + +As one can surmise, 'Mitigation: safe RET' does come at the cost of some +performance depending on the workload. If one trusts her/his userspace +and does not want to suffer the performance impact, one can always +disable the mitigation with spec_rstack_overflow=off. + +Similarly, 'Mitigation: IBPB' is another full mitigation type employing +an indrect branch prediction barrier after having applied the required +microcode patch for one's system. This mitigation comes also at +a performance cost. + +Mitigation: safe RET +-------------------- + +The mitigation works by ensuring all RET instructions speculate to +a controlled location, similar to how speculation is controlled in the +retpoline sequence. To accomplish this, the __x86_return_thunk forces +the CPU to mispredict every function return using a 'safe return' +sequence. + +To ensure the safety of this mitigation, the kernel must ensure that the +safe return sequence is itself free from attacker interference. In Zen3 +and Zen4, this is accomplished by creating a BTB alias between the +untraining function srso_alias_untrain_ret() and the safe return +function srso_alias_safe_ret() which results in evicting a potentially +poisoned BTB entry and using that safe one for all function returns. + +In older Zen1 and Zen2, this is accomplished using a reinterpretation +technique similar to Retbleed one: srso_untrain_ret() and +srso_safe_ret(). diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index a1457995fd41..6ff63638ed82 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1623,6 +1623,26 @@ Format: off | on default: on + gather_data_sampling= + [X86,INTEL] Control the Gather Data Sampling (GDS) + mitigation. + + Gather Data Sampling is a hardware vulnerability which + allows unprivileged speculative access to data which was + previously stored in vector registers. + + This issue is mitigated by default in updated microcode. + The mitigation may have a performance impact but can be + disabled. On systems without the microcode mitigation + disabling AVX serves as a mitigation. + + force: Disable AVX to mitigate systems without + microcode mitigation. No effect if the microcode + mitigation is present. Known to cause crashes in + userspace with buggy AVX enumeration. + + off: Disable GDS mitigation. + gcov_persist= [GCOV] When non-zero (default), profiling data for kernel modules is saved and remains accessible via debugfs, even when the module is unloaded/reloaded. @@ -3273,24 +3293,25 @@ Disable all optional CPU mitigations. This improves system performance, but it may also expose users to several CPU vulnerabilities. - Equivalent to: nopti [X86,PPC] - if nokaslr then kpti=0 [ARM64] - nospectre_v1 [X86,PPC] - nobp=0 [S390] - nospectre_v2 [X86,PPC,S390,ARM64] - spectre_v2_user=off [X86] - spec_store_bypass_disable=off [X86,PPC] - ssbd=force-off [ARM64] - nospectre_bhb [ARM64] + Equivalent to: if nokaslr then kpti=0 [ARM64] + gather_data_sampling=off [X86] + kvm.nx_huge_pages=off [X86] l1tf=off [X86] mds=off [X86] - tsx_async_abort=off [X86] - kvm.nx_huge_pages=off [X86] - srbds=off [X86,INTEL] + mmio_stale_data=off [X86] no_entry_flush [PPC] no_uaccess_flush [PPC] - mmio_stale_data=off [X86] + nobp=0 [S390] + nopti [X86,PPC] + nospectre_bhb [ARM64] + nospectre_v1 [X86,PPC] + nospectre_v2 [X86,PPC,S390,ARM64] retbleed=off [X86] + spec_store_bypass_disable=off [X86,PPC] + spectre_v2_user=off [X86] + srbds=off [X86,INTEL] + ssbd=force-off [ARM64] + tsx_async_abort=off [X86] Exceptions: This does not have any effect on @@ -5501,6 +5522,10 @@ Useful for devices that are detected asynchronously (e.g. USB and MMC devices). + rootwait= [KNL] Maximum time (in seconds) to wait for root device + to show up before attempting to mount the root + filesystem. + rproc_mem=nn[KMG][@address] [KNL,ARM,CMA] Remoteproc physical memory block. Memory area to be used by remote processor image, @@ -5875,6 +5900,17 @@ Not specifying this option is equivalent to spectre_v2_user=auto. + spec_rstack_overflow= + [X86] Control RAS overflow mitigation on AMD Zen CPUs + + off - Disable mitigation + microcode - Enable microcode mitigation only + safe-ret - Enable sw-only safe RET mitigation (default) + ibpb - Enable mitigation by issuing IBPB on + kernel entry + ibpb-vmexit - Issue IBPB only on VMEXIT + (cloud-specific mitigation) + spec_store_bypass_disable= [HW] Control Speculative Store Bypass (SSB) Disable mitigation (Speculative Store Bypass vulnerability) diff --git a/Documentation/devicetree/bindings/iio/addac/adi,ad74115.yaml b/Documentation/devicetree/bindings/iio/addac/adi,ad74115.yaml index 72d2e910f206..2594fa192f93 100644 --- a/Documentation/devicetree/bindings/iio/addac/adi,ad74115.yaml +++ b/Documentation/devicetree/bindings/iio/addac/adi,ad74115.yaml @@ -216,7 +216,6 @@ properties: description: Whether to enable burnout current for EXT1. adi,ext1-burnout-current-nanoamp: - $ref: /schemas/types.yaml#/definitions/uint32 description: Burnout current in nanoamps to be applied to EXT1. enum: [0, 50, 500, 1000, 10000] @@ -233,7 +232,6 @@ properties: description: Whether to enable burnout current for EXT2. adi,ext2-burnout-current-nanoamp: - $ref: /schemas/types.yaml#/definitions/uint32 description: Burnout current in nanoamps to be applied to EXT2. enum: [0, 50, 500, 1000, 10000] default: 0 @@ -249,7 +247,6 @@ properties: description: Whether to enable burnout current for VIOUT. adi,viout-burnout-current-nanoamp: - $ref: /schemas/types.yaml#/definitions/uint32 description: Burnout current in nanoamps to be applied to VIOUT. enum: [0, 1000, 10000] default: 0 diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-tlmm.yaml index e608a4f1bcae..e119a226a4b1 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-tlmm.yaml +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-tlmm.yaml @@ -87,7 +87,7 @@ $defs: emac0_mdc, emac0_mdio, emac0_ptp_aux, emac0_ptp_pps, emac1_mcg0, emac1_mcg1, emac1_mcg2, emac1_mcg3, emac1_mdc, emac1_mdio, emac1_ptp_aux, emac1_ptp_pps, gcc_gp1, gcc_gp2, gcc_gp3, - gcc_gp4, gcc_gp5, hs0_mi2s, hs1_mi2s, hs2_mi2s, ibi_i3c, + gcc_gp4, gcc_gp5, gpio, hs0_mi2s, hs1_mi2s, hs2_mi2s, ibi_i3c, jitter_bist, mdp0_vsync0, mdp0_vsync1, mdp0_vsync2, mdp0_vsync3, mdp0_vsync4, mdp0_vsync5, mdp0_vsync6, mdp0_vsync7, mdp0_vsync8, mdp1_vsync0, mdp1_vsync1, mdp1_vsync2, mdp1_vsync3, mdp1_vsync4, diff --git a/Documentation/filesystems/idmappings.rst b/Documentation/filesystems/idmappings.rst index ad6d21640576..d095c5838f94 100644 --- a/Documentation/filesystems/idmappings.rst +++ b/Documentation/filesystems/idmappings.rst @@ -146,9 +146,10 @@ For the rest of this document we will prefix all userspace ids with ``u`` and all kernel ids with ``k``. Ranges of idmappings will be prefixed with ``r``. So an idmapping will be written as ``u0:k10000:r10000``. -For example, the id ``u1000`` is an id in the upper idmapset or "userspace -idmapset" starting with ``u1000``. And it is mapped to ``k11000`` which is a -kernel id in the lower idmapset or "kernel idmapset" starting with ``k10000``. +For example, within this idmapping, the id ``u1000`` is an id in the upper +idmapset or "userspace idmapset" starting with ``u0``. And it is mapped to +``k11000`` which is a kernel id in the lower idmapset or "kernel idmapset" +starting with ``k10000``. A kernel id is always created by an idmapping. Such idmappings are associated with user namespaces. Since we mainly care about how idmappings work we're not @@ -373,6 +374,13 @@ kernel maps the caller's userspace id down into a kernel id according to the caller's idmapping and then maps that kernel id up according to the filesystem's idmapping. +From the implementation point it's worth mentioning how idmappings are represented. +All idmappings are taken from the corresponding user namespace. + + - caller's idmapping (usually taken from ``current_user_ns()``) + - filesystem's idmapping (``sb->s_user_ns``) + - mount's idmapping (``mnt_idmap(vfsmnt)``) + Let's see some examples with caller/filesystem idmapping but without mount idmappings. This will exhibit some problems we can hit. After that we will revisit/reconsider these examples, this time using mount idmappings, to see how diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst index 0ca479dbb1cd..6e833ed0b22e 100644 --- a/Documentation/filesystems/locking.rst +++ b/Documentation/filesystems/locking.rst @@ -85,13 +85,14 @@ prototypes:: struct dentry *dentry, struct fileattr *fa); int (*fileattr_get)(struct dentry *dentry, struct fileattr *fa); struct posix_acl * (*get_acl)(struct mnt_idmap *, struct dentry *, int); + struct offset_ctx *(*get_offset_ctx)(struct inode *inode); locking rules: all may block -============== ============================================= +============== ================================================== ops i_rwsem(inode) -============== ============================================= +============== ================================================== lookup: shared create: exclusive link: exclusive (both) @@ -115,7 +116,8 @@ atomic_open: shared (exclusive if O_CREAT is set in open flags) tmpfile: no fileattr_get: no or exclusive fileattr_set: exclusive -============== ============================================= +get_offset_ctx no +============== ================================================== Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_rwsem diff --git a/Documentation/filesystems/tmpfs.rst b/Documentation/filesystems/tmpfs.rst index 2cd8fa332feb..56a26c843dbe 100644 --- a/Documentation/filesystems/tmpfs.rst +++ b/Documentation/filesystems/tmpfs.rst @@ -21,8 +21,8 @@ explained further below, some of which can be reconfigured dynamically on the fly using a remount ('mount -o remount ...') of the filesystem. A tmpfs filesystem can be resized but it cannot be resized to a size below its current usage. tmpfs also supports POSIX ACLs, and extended attributes for the -trusted.* and security.* namespaces. ramfs does not use swap and you cannot -modify any parameter for a ramfs filesystem. The size limit of a ramfs +trusted.*, security.* and user.* namespaces. ramfs does not use swap and you +cannot modify any parameter for a ramfs filesystem. The size limit of a ramfs filesystem is how much memory you have available, and so care must be taken if used so to not run out of memory. @@ -97,6 +97,9 @@ mount with such options, since it allows any user with write access to use up all the memory on the machine; but enhances the scalability of that instance in a system with many CPUs making intensive use of it. +If nr_inodes is not 0, that limited space for inodes is also used up by +extended attributes: "df -i"'s IUsed and IUse% increase, IFree decreases. + tmpfs blocks may be swapped out, when there is a shortage of memory. tmpfs has a mount option to disable its use of swap: @@ -123,6 +126,37 @@ sysfs file /sys/kernel/mm/transparent_hugepage/shmem_enabled: which can be used to deny huge pages on all tmpfs mounts in an emergency, or to force huge pages on all tmpfs mounts for testing. +tmpfs also supports quota with the following mount options + +======================== ================================================= +quota User and group quota accounting and enforcement + is enabled on the mount. Tmpfs is using hidden + system quota files that are initialized on mount. +usrquota User quota accounting and enforcement is enabled + on the mount. +grpquota Group quota accounting and enforcement is enabled + on the mount. +usrquota_block_hardlimit Set global user quota block hard limit. +usrquota_inode_hardlimit Set global user quota inode hard limit. +grpquota_block_hardlimit Set global group quota block hard limit. +grpquota_inode_hardlimit Set global group quota inode hard limit. +======================== ================================================= + +None of the quota related mount options can be set or changed on remount. + +Quota limit parameters accept a suffix k, m or g for kilo, mega and giga +and can't be changed on remount. Default global quota limits are taking +effect for any and all user/group/project except root the first time the +quota entry for user/group/project id is being accessed - typically the +first time an inode with a particular id ownership is being created after +the mount. In other words, instead of the limits being initialized to zero, +they are initialized with the particular value provided with these mount +options. The limits can be changed for any user/group id at any time as they +normally can be. + +Note that tmpfs quotas do not support user namespaces so no uid/gid +translation is done if quotas are enabled inside user namespaces. + tmpfs has a mount option to set the NUMA memory allocation policy for all files in that instance (if CONFIG_NUMA is enabled) - which can be adjusted on the fly via 'mount -o remount ...' diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst index cb2a97e49872..f8fe815ab1f3 100644 --- a/Documentation/filesystems/vfs.rst +++ b/Documentation/filesystems/vfs.rst @@ -260,9 +260,11 @@ filesystem. The following members are defined: void (*evict_inode) (struct inode *); void (*put_super) (struct super_block *); int (*sync_fs)(struct super_block *sb, int wait); - int (*freeze_super) (struct super_block *); + int (*freeze_super) (struct super_block *sb, + enum freeze_holder who); int (*freeze_fs) (struct super_block *); - int (*thaw_super) (struct super_block *); + int (*thaw_super) (struct super_block *sb, + enum freeze_wholder who); int (*unfreeze_fs) (struct super_block *); int (*statfs) (struct dentry *, struct kstatfs *); int (*remount_fs) (struct super_block *, int *, char *); @@ -515,6 +517,7 @@ As of kernel 2.6.22, the following members are defined: int (*fileattr_set)(struct mnt_idmap *idmap, struct dentry *dentry, struct fileattr *fa); int (*fileattr_get)(struct dentry *dentry, struct fileattr *fa); + struct offset_ctx *(*get_offset_ctx)(struct inode *inode); }; Again, all methods are called without any locks being held, unless @@ -675,7 +678,10 @@ otherwise noted. called on ioctl(FS_IOC_SETFLAGS) and ioctl(FS_IOC_FSSETXATTR) to change miscellaneous file flags and attributes. Callers hold i_rwsem exclusive. If unset, then fall back to f_op->ioctl(). - +``get_offset_ctx`` + called to get the offset context for a directory inode. A + filesystem must define this operation to use + simple_offset_dir_operations. The Address Space Object ======================== diff --git a/Documentation/i2c/writing-clients.rst b/Documentation/i2c/writing-clients.rst index b7d3ae7458f8..41ddc10f1ac7 100644 --- a/Documentation/i2c/writing-clients.rst +++ b/Documentation/i2c/writing-clients.rst @@ -46,7 +46,7 @@ driver model device node, and its I2C address. }, .id_table = foo_idtable, - .probe_new = foo_probe, + .probe = foo_probe, .remove = foo_remove, /* if device autodetection is needed: */ .class = I2C_CLASS_SOMETHING, diff --git a/Documentation/networking/nf_conntrack-sysctl.rst b/Documentation/networking/nf_conntrack-sysctl.rst index 8b1045c3b59e..c383a394c665 100644 --- a/Documentation/networking/nf_conntrack-sysctl.rst +++ b/Documentation/networking/nf_conntrack-sysctl.rst @@ -178,10 +178,10 @@ nf_conntrack_sctp_timeout_established - INTEGER (seconds) Default is set to (hb_interval * path_max_retrans + rto_max) nf_conntrack_sctp_timeout_shutdown_sent - INTEGER (seconds) - default 0.3 + default 3 nf_conntrack_sctp_timeout_shutdown_recd - INTEGER (seconds) - default 0.3 + default 3 nf_conntrack_sctp_timeout_shutdown_ack_sent - INTEGER (seconds) default 3 diff --git a/MAINTAINERS b/MAINTAINERS index 0f966f05fb0d..4cc6bf79fdd8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2339,7 +2339,7 @@ F: drivers/phy/mediatek/ ARM/MICROCHIP (ARM64) SoC support M: Conor Dooley <conor@kernel.org> M: Nicolas Ferre <nicolas.ferre@microchip.com> -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported T: git https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux.git @@ -2348,7 +2348,7 @@ F: arch/arm64/boot/dts/microchip/ ARM/Microchip (AT91) SoC support M: Nicolas Ferre <nicolas.ferre@microchip.com> M: Alexandre Belloni <alexandre.belloni@bootlin.com> -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported W: http://www.linux4sam.org @@ -3250,7 +3250,7 @@ F: include/uapi/linux/atm* ATMEL MACB ETHERNET DRIVER M: Nicolas Ferre <nicolas.ferre@microchip.com> -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> S: Supported F: drivers/net/ethernet/cadence/ @@ -8812,6 +8812,7 @@ R: Michael Walle <michael@walle.cc> S: Maintained F: drivers/gpio/gpio-regmap.c F: include/linux/gpio/regmap.h +K: (devm_)?gpio_regmap_(un)?register GPIO SUBSYSTEM M: Linus Walleij <linus.walleij@linaro.org> @@ -9375,7 +9376,6 @@ F: drivers/crypto/hisilicon/sgl.c F: include/linux/hisi_acc_qm.h HISILICON ROCE DRIVER -M: Haoyue Xu <xuhaoyue1@hisilicon.com> M: Junxian Huang <huangjunxian6@hisilicon.com> L: linux-rdma@vger.kernel.org S: Maintained @@ -12480,6 +12480,7 @@ F: net/mctp/ MAPLE TREE M: Liam R. Howlett <Liam.Howlett@oracle.com> +L: maple-tree@lists.infradead.org L: linux-mm@kvack.org S: Supported F: Documentation/core-api/maple_tree.rst @@ -13786,7 +13787,7 @@ F: Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml F: drivers/spi/spi-at91-usart.c MICROCHIP AUDIO ASOC DRIVERS -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/sound/atmel* @@ -13809,7 +13810,7 @@ S: Maintained F: drivers/crypto/atmel-ecc.* MICROCHIP EIC DRIVER -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/interrupt-controller/microchip,sama7g5-eic.yaml @@ -13882,7 +13883,7 @@ F: drivers/video/fbdev/atmel_lcdfb.c F: include/video/atmel_lcdc.h MICROCHIP MCP16502 PMIC DRIVER -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/regulator/mcp16502-regulator.txt @@ -13909,7 +13910,7 @@ F: Documentation/devicetree/bindings/mtd/atmel-nand.txt F: drivers/mtd/nand/raw/atmel/* MICROCHIP OTPC DRIVER -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml @@ -13948,7 +13949,7 @@ F: Documentation/devicetree/bindings/fpga/microchip,mpf-spi-fpga-mgr.yaml F: drivers/fpga/microchip-spi.c MICROCHIP PWM DRIVER -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-pwm@vger.kernel.org S: Supported @@ -13964,7 +13965,7 @@ F: drivers/iio/adc/at91-sama5d2_adc.c F: include/dt-bindings/iio/adc/at91-sama5d2_adc.h MICROCHIP SAMA5D2-COMPATIBLE SHUTDOWN CONTROLLER -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> S: Supported F: Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml F: drivers/power/reset/at91-sama5d2_shdwc.c @@ -13981,7 +13982,7 @@ S: Supported F: drivers/spi/spi-atmel.* MICROCHIP SSC DRIVER -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/misc/atmel-ssc.txt @@ -14010,7 +14011,7 @@ F: drivers/usb/gadget/udc/atmel_usba_udc.* MICROCHIP WILC1000 WIFI DRIVER M: Ajay Singh <ajay.kathat@microchip.com> -M: Claudiu Beznea <claudiu.beznea@microchip.com> +M: Claudiu Beznea <claudiu.beznea@tuxon.dev> L: linux-wireless@vger.kernel.org S: Supported F: drivers/net/wireless/microchip/wilc1000/ @@ -14802,6 +14803,16 @@ F: net/netfilter/xt_CONNSECMARK.c F: net/netfilter/xt_SECMARK.c F: net/netlabel/ +NETWORKING [MACSEC] +M: Sabrina Dubroca <sd@queasysnail.net> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/macsec.c +F: include/net/macsec.h +F: include/uapi/linux/if_macsec.h +K: macsec +K: \bmdo_ + NETWORKING [MPTCP] M: Matthieu Baerts <matthieu.baerts@tessares.net> M: Mat Martineau <martineau@kernel.org> @@ -16293,6 +16304,7 @@ F: drivers/pci/controller/dwc/pci-exynos.c PCI DRIVER FOR SYNOPSYS DESIGNWARE M: Jingoo Han <jingoohan1@gmail.com> M: Gustavo Pimentel <gustavo.pimentel@synopsys.com> +M: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> L: linux-pci@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml @@ -18508,17 +18520,14 @@ RTL8180 WIRELESS DRIVER L: linux-wireless@vger.kernel.org S: Orphan W: https://wireless.wiki.kernel.org/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git F: drivers/net/wireless/realtek/rtl818x/rtl8180/ RTL8187 WIRELESS DRIVER -M: Herton Ronaldo Krzesinski <herton@canonical.com> -M: Hin-Tak Leung <htl10@users.sourceforge.net> +M: Hin-Tak Leung <hintak.leung@gmail.com> M: Larry Finger <Larry.Finger@lwfinger.net> L: linux-wireless@vger.kernel.org S: Maintained W: https://wireless.wiki.kernel.org/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git F: drivers/net/wireless/realtek/rtl818x/rtl8187/ RTL8XXXU WIRELESS DRIVER (rtl8xxxu) @@ -19225,13 +19234,6 @@ F: Documentation/devicetree/bindings/serial/serial.yaml F: drivers/tty/serdev/ F: include/linux/serdev.h -SERIAL DRIVERS -M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -L: linux-serial@vger.kernel.org -S: Maintained -F: Documentation/devicetree/bindings/serial/ -F: drivers/tty/serial/ - SERIAL IR RECEIVER M: Sean Young <sean@mess.org> L: linux-media@vger.kernel.org @@ -21060,6 +21062,39 @@ S: Maintained F: Documentation/devicetree/bindings/sound/davinci-mcasp-audio.yaml F: sound/soc/ti/ +TEXAS INSTRUMENTS AUDIO (ASoC/HDA) DRIVERS +M: Shenghao Ding <shenghao-ding@ti.com> +M: Kevin Lu <kevin-lu@ti.com> +M: Baojun Xu <x1077012@ti.com> +L: alsa-devel@alsa-project.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/sound/tas2552.txt +F: Documentation/devicetree/bindings/sound/tas2562.yaml +F: Documentation/devicetree/bindings/sound/tas2770.yaml +F: Documentation/devicetree/bindings/sound/tas27xx.yaml +F: Documentation/devicetree/bindings/sound/ti,pcm1681.txt +F: Documentation/devicetree/bindings/sound/ti,pcm3168a.yaml +F: Documentation/devicetree/bindings/sound/ti,tlv320*.yaml +F: Documentation/devicetree/bindings/sound/tlv320adcx140.yaml +F: Documentation/devicetree/bindings/sound/tlv320aic31xx.txt +F: Documentation/devicetree/bindings/sound/tpa6130a2.txt +F: include/sound/tas2*.h +F: include/sound/tlv320*.h +F: include/sound/tpa6130a2-plat.h +F: sound/pci/hda/tas2781_hda_i2c.c +F: sound/soc/codecs/pcm1681.c +F: sound/soc/codecs/pcm1789*.* +F: sound/soc/codecs/pcm179x*.* +F: sound/soc/codecs/pcm186x*.* +F: sound/soc/codecs/pcm3008.* +F: sound/soc/codecs/pcm3060*.* +F: sound/soc/codecs/pcm3168a*.* +F: sound/soc/codecs/pcm5102a.c +F: sound/soc/codecs/pcm512x*.* +F: sound/soc/codecs/tas2*.* +F: sound/soc/codecs/tlv320*.* +F: sound/soc/codecs/tpa6130a2.* + TEXAS INSTRUMENTS DMA DRIVERS M: Peter Ujfalusi <peter.ujfalusi@gmail.com> L: dmaengine@vger.kernel.org @@ -21636,20 +21671,16 @@ W: https://github.com/srcres258/linux-doc T: git git://github.com/srcres258/linux-doc.git doc-zh-tw F: Documentation/translations/zh_TW/ -TTY LAYER +TTY LAYER AND SERIAL DRIVERS M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> M: Jiri Slaby <jirislaby@kernel.org> L: linux-kernel@vger.kernel.org L: linux-serial@vger.kernel.org S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git +F: Documentation/devicetree/bindings/serial/ F: Documentation/driver-api/serial/ F: drivers/tty/ -F: drivers/tty/serial/serial_base.h -F: drivers/tty/serial/serial_base_bus.c -F: drivers/tty/serial/serial_core.c -F: drivers/tty/serial/serial_ctrl.c -F: drivers/tty/serial/serial_port.c F: include/linux/selection.h F: include/linux/serial.h F: include/linux/serial_core.h @@ -22476,7 +22507,6 @@ L: virtualization@lists.linux-foundation.org S: Maintained F: drivers/block/virtio_blk.c F: drivers/scsi/virtio_scsi.c -F: drivers/vhost/scsi.c F: include/uapi/linux/virtio_blk.h F: include/uapi/linux/virtio_scsi.h @@ -22575,6 +22605,16 @@ F: include/linux/vhost_iotlb.h F: include/uapi/linux/vhost.h F: kernel/vhost_task.c +VIRTIO HOST (VHOST-SCSI) +M: "Michael S. Tsirkin" <mst@redhat.com> +M: Jason Wang <jasowang@redhat.com> +M: Mike Christie <michael.christie@oracle.com> +R: Paolo Bonzini <pbonzini@redhat.com> +R: Stefan Hajnoczi <stefanha@redhat.com> +L: virtualization@lists.linux-foundation.org +S: Maintained +F: drivers/vhost/scsi.c + VIRTIO I2C DRIVER M: Conghui Chen <conghui.chen@intel.com> M: Viresh Kumar <viresh.kumar@linaro.org> @@ -2,7 +2,7 @@ VERSION = 6 PATCHLEVEL = 5 SUBLEVEL = 0 -EXTRAVERSION = -rc5 +EXTRAVERSION = NAME = Hurr durr I'ma ninja sloth # *DOCUMENTATION* diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h index 714abe494e5f..55bb1c09fd39 100644 --- a/arch/alpha/include/asm/processor.h +++ b/arch/alpha/include/asm/processor.h @@ -47,12 +47,6 @@ unsigned long __get_wchan(struct task_struct *p); #define ARCH_HAS_PREFETCH #define ARCH_HAS_PREFETCHW -#define ARCH_HAS_SPINLOCK_PREFETCH - -#ifndef CONFIG_SMP -/* Nothing to prefetch. */ -#define spin_lock_prefetch(lock) do { } while (0) -#endif extern inline void prefetch(const void *ptr) { @@ -64,11 +58,4 @@ extern inline void prefetchw(const void *ptr) __builtin_prefetch(ptr, 1, 3); } -#ifdef CONFIG_SMP -extern inline void spin_lock_prefetch(const void *ptr) -{ - __builtin_prefetch(ptr, 1, 3); -} -#endif - #endif /* __ASM_ALPHA_PROCESSOR_H */ diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index b650ff1cb022..3d7473531ab1 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -385,8 +385,7 @@ setup_memory(void *kernel_end) #endif /* CONFIG_BLK_DEV_INITRD */ } -int __init -page_is_ram(unsigned long pfn) +int page_is_ram(unsigned long pfn) { struct memclust_struct * cluster; struct memdesc_struct * memdesc; diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 1f13995d00d7..ad37569d0507 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -491,3 +491,4 @@ 559 common futex_waitv sys_futex_waitv 560 common set_mempolicy_home_node sys_ni_syscall 561 common cachestat sys_cachestat +562 common fchmodat2 sys_fchmodat2 diff --git a/arch/arm/boot/dts/arm/integratorap.dts b/arch/arm/boot/dts/arm/integratorap.dts index 5b52d75bc6be..d9927d3181dc 100644 --- a/arch/arm/boot/dts/arm/integratorap.dts +++ b/arch/arm/boot/dts/arm/integratorap.dts @@ -158,7 +158,7 @@ valid-mask = <0x003fffff>; }; - pci: pciv3@62000000 { + pci: pci@62000000 { compatible = "arm,integrator-ap-pci", "v3,v360epc-pci"; device_type = "pci"; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-mira.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-mira.dtsi index 1a599c294ab8..1ca4d219609f 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-mira.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-mira.dtsi @@ -182,7 +182,7 @@ pinctrl-0 = <&pinctrl_rtc_int>; reg = <0x68>; interrupt-parent = <&gpio7>; - interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <8 IRQ_TYPE_LEVEL_LOW>; status = "disabled"; }; }; diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi index 3a4308666552..a05069d49cb8 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi @@ -863,7 +863,6 @@ reg = <0>; ldb_from_lcdif1: endpoint { - remote-endpoint = <&lcdif1_to_ldb>; }; }; @@ -1010,6 +1009,8 @@ <&clks IMX6SX_CLK_USDHC1>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; status = "disabled"; }; @@ -1022,6 +1023,8 @@ <&clks IMX6SX_CLK_USDHC2>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; status = "disabled"; }; @@ -1034,6 +1037,8 @@ <&clks IMX6SX_CLK_USDHC3>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; status = "disabled"; }; @@ -1309,11 +1314,8 @@ power-domains = <&pd_disp>; status = "disabled"; - ports { - port { - lcdif1_to_ldb: endpoint { - remote-endpoint = <&ldb_from_lcdif1>; - }; + port { + lcdif1_to_ldb: endpoint { }; }; }; diff --git a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi index 54026c2c93fa..6ffb428dc939 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi @@ -1184,6 +1184,8 @@ <&clks IMX7D_USDHC1_ROOT_CLK>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-step = <2>; + fsl,tuning-start-tap = <20>; status = "disabled"; }; @@ -1196,6 +1198,8 @@ <&clks IMX7D_USDHC2_ROOT_CLK>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-step = <2>; + fsl,tuning-start-tap = <20>; status = "disabled"; }; @@ -1208,6 +1212,8 @@ <&clks IMX7D_USDHC3_ROOT_CLK>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-step = <2>; + fsl,tuning-start-tap = <20>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/ti/omap/am335x-bone-common.dtsi b/arch/arm/boot/dts/ti/omap/am335x-bone-common.dtsi index b958607c71dc..96451c8a815c 100644 --- a/arch/arm/boot/dts/ti/omap/am335x-bone-common.dtsi +++ b/arch/arm/boot/dts/ti/omap/am335x-bone-common.dtsi @@ -145,6 +145,8 @@ /* MDIO */ AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0) AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0) + /* Added to support GPIO controlled PHY reset */ + AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT_PULLUP, MUX_MODE7) >; }; @@ -153,6 +155,8 @@ /* MDIO reset value */ AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7) AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7) + /* Added to support GPIO controlled PHY reset */ + AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLDOWN, MUX_MODE7) >; }; @@ -215,6 +219,7 @@ baseboard_eeprom: baseboard_eeprom@50 { compatible = "atmel,24c256"; reg = <0x50>; + vcc-supply = <&ldo4_reg>; #address-cells = <1>; #size-cells = <1>; @@ -377,6 +382,10 @@ ethphy0: ethernet-phy@0 { reg = <0>; + /* Support GPIO reset on revision C3 boards */ + reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; + reset-assert-us = <300>; + reset-deassert-us = <6500>; }; }; diff --git a/arch/arm/mach-zynq/pm.c b/arch/arm/mach-zynq/pm.c index 8ba450ab559c..61ad965ef3ac 100644 --- a/arch/arm/mach-zynq/pm.c +++ b/arch/arm/mach-zynq/pm.c @@ -8,8 +8,8 @@ */ #include <linux/io.h> +#include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_device.h> #include "common.h" /* register offsets */ diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 8ebed8a13874..c572d6c3dee0 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -465,3 +465,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index d6b36f04f3dc..1a647d4072ba 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -1221,10 +1221,9 @@ compatible = "fsl,imx8mm-mipi-csi2"; reg = <0x32e30000 0x1000>; interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>; - assigned-clocks = <&clk IMX8MM_CLK_CSI1_CORE>, - <&clk IMX8MM_CLK_CSI1_PHY_REF>; - assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_1000M>, - <&clk IMX8MM_SYS_PLL2_1000M>; + assigned-clocks = <&clk IMX8MM_CLK_CSI1_CORE>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_1000M>; + clock-frequency = <333000000>; clocks = <&clk IMX8MM_CLK_DISP_APB_ROOT>, <&clk IMX8MM_CLK_CSI1_ROOT>, diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index 9869fe7652fc..aa38dd6dc9ba 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -1175,10 +1175,8 @@ compatible = "fsl,imx8mm-mipi-csi2"; reg = <0x32e30000 0x1000>; interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>; - assigned-clocks = <&clk IMX8MN_CLK_CAMERA_PIXEL>, - <&clk IMX8MN_CLK_CSI1_PHY_REF>; - assigned-clock-parents = <&clk IMX8MN_SYS_PLL2_1000M>, - <&clk IMX8MN_SYS_PLL2_1000M>; + assigned-clocks = <&clk IMX8MN_CLK_CAMERA_PIXEL>; + assigned-clock-parents = <&clk IMX8MN_SYS_PLL2_1000M>; assigned-clock-rates = <333000000>; clock-frequency = <333000000>; clocks = <&clk IMX8MN_CLK_DISP_APB_ROOT>, diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi index 8643612ace8c..1d8dd14b65cf 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -340,7 +340,7 @@ anatop: anatop@44480000 { compatible = "fsl,imx93-anatop", "syscon"; - reg = <0x44480000 0x10000>; + reg = <0x44480000 0x2000>; }; adc1: adc@44530000 { diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index 9022ad726741..a9e7b832c18c 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -121,7 +121,7 @@ }; }; - pm8150l-thermal { + pm8150l-pcb-thermal { polling-delay-passive = <0>; polling-delay = <0>; thermal-sensors = <&pm8150l_adc_tm 1>; diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts index ab767cfa51ff..26f5a4e0ffed 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts @@ -153,8 +153,8 @@ vreg_l4c: ldo4 { regulator-name = "vreg_l4c"; - regulator-min-microvolt = <1100000>; - regulator-max-microvolt = <1300000>; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; /* * FIXME: This should have regulator-allow-set-load but diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index e25dc2bb52a7..06df931d8cad 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -3120,8 +3120,8 @@ reg = <0 0x0ae94400 0 0x200>, <0 0x0ae94600 0 0x280>, <0 0x0ae94a00 0 0x1e0>; - reg-names = "dsi0_phy", - "dsi0_phy_lane", + reg-names = "dsi_phy", + "dsi_phy_lane", "dsi_pll"; #clock-cells = <1>; diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi index d3ae18535636..be78a933d8eb 100644 --- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi @@ -3561,7 +3561,7 @@ }; osm_l3: interconnect@18321000 { - compatible = "qcom,sc8180x-osm-l3"; + compatible = "qcom,sc8180x-osm-l3", "qcom,osm-l3"; reg = <0 0x18321000 0 0x1400>; clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>; diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index 18c822abdb88..b46e55bb8bde 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -56,7 +56,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -85,7 +85,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD1>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -109,7 +109,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD2>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -133,7 +133,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD3>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -157,7 +157,7 @@ qcom,freq-domain = <&cpufreq_hw 1>; operating-points-v2 = <&cpu4_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD4>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -181,7 +181,7 @@ qcom,freq-domain = <&cpufreq_hw 1>; operating-points-v2 = <&cpu4_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD5>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -205,7 +205,7 @@ qcom,freq-domain = <&cpufreq_hw 1>; operating-points-v2 = <&cpu4_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD6>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -229,7 +229,7 @@ qcom,freq-domain = <&cpufreq_hw 2>; operating-points-v2 = <&cpu7_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&osm_l3 MASTER_OSM_L3_APPS 0 &osm_l3 SLAVE_OSM_L3 0>; + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>; power-domains = <&CPU_PD7>; power-domain-names = "psci"; #cooling-cells = <2>; @@ -4342,7 +4342,7 @@ clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>; clock-names = "xo", "alternate"; - #interconnect-cells = <2>; + #interconnect-cells = <1>; }; cpufreq_hw: cpufreq@18323000 { diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 83ab6de459bc..1efa07f2caff 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -107,7 +107,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_0: l2-cache { compatible = "cache"; @@ -138,7 +138,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_100: l2-cache { compatible = "cache"; @@ -163,7 +163,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_200: l2-cache { compatible = "cache"; @@ -188,7 +188,7 @@ qcom,freq-domain = <&cpufreq_hw 0>; operating-points-v2 = <&cpu0_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_300: l2-cache { compatible = "cache"; @@ -213,7 +213,7 @@ qcom,freq-domain = <&cpufreq_hw 1>; operating-points-v2 = <&cpu4_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_400: l2-cache { compatible = "cache"; @@ -238,7 +238,7 @@ qcom,freq-domain = <&cpufreq_hw 1>; operating-points-v2 = <&cpu4_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_500: l2-cache { compatible = "cache"; @@ -263,7 +263,7 @@ qcom,freq-domain = <&cpufreq_hw 1>; operating-points-v2 = <&cpu4_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_600: l2-cache { compatible = "cache"; @@ -288,7 +288,7 @@ qcom,freq-domain = <&cpufreq_hw 2>; operating-points-v2 = <&cpu7_opp_table>; interconnects = <&gem_noc MASTER_AMPSS_M0 0 &mc_virt SLAVE_EBI_CH0 0>, - <&epss_l3 MASTER_OSM_L3_APPS 0 &epss_l3 SLAVE_OSM_L3 0>; + <&epss_l3 MASTER_OSM_L3_APPS &epss_l3 SLAVE_OSM_L3>; #cooling-cells = <2>; L2_700: l2-cache { compatible = "cache"; @@ -5679,7 +5679,7 @@ clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>; clock-names = "xo", "alternate"; - #interconnect-cells = <2>; + #interconnect-cells = <1>; }; cpufreq_hw: cpufreq@18591000 { diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi index 88ef478cb5cc..ec451c616f3e 100644 --- a/arch/arm64/boot/dts/qcom/sm8350.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi @@ -1744,6 +1744,8 @@ qcom,controlled-remotely; iommus = <&apps_smmu 0x594 0x0011>, <&apps_smmu 0x596 0x0011>; + /* FIXME: Probing BAM DMA causes some abort and system hang */ + status = "fail"; }; crypto: crypto@1dfa000 { @@ -1755,6 +1757,8 @@ <&apps_smmu 0x596 0x0011>; interconnects = <&aggre2_noc MASTER_CRYPTO 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "memory"; + /* FIXME: dependency BAM DMA is disabled */ + status = "disabled"; }; ipa: ipa@1e40000 { diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi index 8332c8aaf49b..42ce78beb413 100644 --- a/arch/arm64/boot/dts/rockchip/px30.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30.dtsi @@ -291,14 +291,14 @@ }; power-domain@PX30_PD_MMC_NAND { reg = <PX30_PD_MMC_NAND>; - clocks = <&cru HCLK_NANDC>, - <&cru HCLK_EMMC>, - <&cru HCLK_SDIO>, - <&cru HCLK_SFC>, - <&cru SCLK_EMMC>, - <&cru SCLK_NANDC>, - <&cru SCLK_SDIO>, - <&cru SCLK_SFC>; + clocks = <&cru HCLK_NANDC>, + <&cru HCLK_EMMC>, + <&cru HCLK_SDIO>, + <&cru HCLK_SFC>, + <&cru SCLK_EMMC>, + <&cru SCLK_NANDC>, + <&cru SCLK_SDIO>, + <&cru SCLK_SFC>; pm_qos = <&qos_emmc>, <&qos_nand>, <&qos_sdio>, <&qos_sfc>; #power-domain-cells = <0>; diff --git a/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts index 7ea48167747c..9232357f4fec 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts @@ -106,7 +106,6 @@ regulator-name = "vdd_core"; regulator-min-microvolt = <827000>; regulator-max-microvolt = <1340000>; - regulator-init-microvolt = <1015000>; regulator-settling-time-up-us = <250>; regulator-always-on; regulator-boot-on; diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts index a71f249ed384..e9810d2f0407 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts @@ -105,7 +105,6 @@ regulator-name = "vdd_core"; regulator-min-microvolt = <827000>; regulator-max-microvolt = <1340000>; - regulator-init-microvolt = <1015000>; regulator-settling-time-up-us = <250>; regulator-always-on; regulator-boot-on; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-eaidk-610.dts b/arch/arm64/boot/dts/rockchip/rk3399-eaidk-610.dts index d1f343345f67..6464ef4d113d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-eaidk-610.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-eaidk-610.dts @@ -773,7 +773,7 @@ compatible = "brcm,bcm4329-fmac"; reg = <1>; interrupt-parent = <&gpio0>; - interrupts = <RK_PA3 GPIO_ACTIVE_HIGH>; + interrupts = <RK_PA3 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "host-wake"; pinctrl-names = "default"; pinctrl-0 = <&wifi_host_wake_l>; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi index b6e082f1f6d9..7c5f441a2219 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi @@ -375,7 +375,6 @@ vcc_sdio: LDO_REG4 { regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <3000000>; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_sdio"; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts index 028eb508ae30..8bfd5f88d1ef 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts @@ -548,9 +548,8 @@ &sdhci { max-frequency = <150000000>; bus-width = <8>; - mmc-hs400-1_8v; + mmc-hs200-1_8v; non-removable; - mmc-hs400-enhanced-strobe; status = "okay"; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi index 907071d4fe80..980c4534313a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi @@ -45,7 +45,7 @@ sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; clocks = <&rk808 1>; - clock-names = "ext_clock"; + clock-names = "lpo"; pinctrl-names = "default"; pinctrl-0 = <&wifi_enable_h>; reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>; @@ -645,9 +645,9 @@ }; &sdhci { + max-frequency = <150000000>; bus-width = <8>; - mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; + mmc-hs200-1_8v; non-removable; status = "okay"; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b-plus.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b-plus.dts index cec3b7b1b947..8a17c1eaae15 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b-plus.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b-plus.dts @@ -31,7 +31,7 @@ compatible = "brcm,bcm4329-fmac"; reg = <1>; interrupt-parent = <&gpio0>; - interrupts = <RK_PA3 GPIO_ACTIVE_HIGH>; + interrupts = <RK_PA3 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "host-wake"; pinctrl-names = "default"; pinctrl-0 = <&wifi_host_wake_l>; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi index a2c31d53b45b..8cbf3d9a4f22 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi @@ -356,7 +356,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; regulator-name = "vdd_logic"; @@ -371,7 +370,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; regulator-name = "vdd_gpu"; @@ -533,7 +531,6 @@ regulator-boot-on; regulator-min-microvolt = <712500>; regulator-max-microvolt = <1390000>; - regulator-init-microvolt = <900000>; regulator-name = "vdd_cpu"; regulator-ramp-delay = <2300>; vin-supply = <&vcc_sys>; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts b/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts index 410cd3e5e7bc..0c18406e4c59 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts @@ -239,7 +239,7 @@ &gmac1 { assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>; - assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>; + assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>; phy-mode = "rgmii"; clock_in_out = "input"; pinctrl-names = "default"; @@ -416,7 +416,7 @@ compatible = "brcm,bcm4329-fmac"; reg = <1>; interrupt-parent = <&gpio2>; - interrupts = <RK_PB2 GPIO_ACTIVE_HIGH>; + interrupts = <RK_PB2 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "host-wake"; pinctrl-names = "default"; pinctrl-0 = <&wifi_host_wake_h>; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-lubancat-1.dts b/arch/arm64/boot/dts/rockchip/rk3566-lubancat-1.dts index ff936b713579..1c6d83b47cd2 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-lubancat-1.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-lubancat-1.dts @@ -218,7 +218,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; @@ -233,7 +232,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; @@ -259,7 +257,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi index 8d61f824c12d..d899087bf0b5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi @@ -264,7 +264,6 @@ regulator-always-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; @@ -278,7 +277,6 @@ regulator-name = "vdd_gpu_npu"; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts index 25a8c781f4e7..854d02b46e6f 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts @@ -366,7 +366,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; regulator-name = "vdd_logic"; @@ -381,7 +380,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; regulator-name = "vdd_gpu"; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts index b276eb0810c7..2d92713be2a0 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts @@ -277,7 +277,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-state-mem { @@ -292,7 +291,6 @@ regulator-boot-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-state-mem { diff --git a/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts index 5e4236af4fcb..1b1c67d5b1ef 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts @@ -137,8 +137,8 @@ &mdio1 { rgmii_phy1: ethernet-phy@0 { - compatible="ethernet-phy-ieee802.3-c22"; - reg= <0x0>; + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0x0>; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts index 42889c5900bd..938092fce186 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts @@ -278,7 +278,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-state-mem { @@ -291,7 +290,6 @@ regulator-name = "vdd_gpu"; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-state-mem { diff --git a/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi index 31aa2b8efe39..63bae36b8f7e 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi @@ -234,7 +234,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; regulator-state-mem { @@ -249,7 +248,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; regulator-state-mem { @@ -272,7 +270,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-name = "vdd_npu"; regulator-state-mem { diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts index ff0bf24cc1a2..f9127ddfbb7d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts @@ -308,7 +308,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -322,7 +321,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -346,7 +344,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts index 674792567fa6..19f8fc369b13 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts @@ -293,7 +293,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -307,7 +306,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -331,7 +329,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi index 25e205632a68..89e84e3a9262 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi @@ -173,7 +173,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -187,7 +186,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -211,7 +209,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -330,7 +327,6 @@ vcca1v8_image: LDO_REG9 { regulator-name = "vcca1v8_image"; - regulator-init-microvolt = <950000>; regulator-min-microvolt = <950000>; regulator-max-microvolt = <1800000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-lubancat-2.dts b/arch/arm64/boot/dts/rockchip/rk3568-lubancat-2.dts index e653b067aa5d..a8a4cc190eb3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-lubancat-2.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-lubancat-2.dts @@ -243,7 +243,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; @@ -258,7 +257,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; @@ -284,7 +282,6 @@ regulator-boot-on; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; - regulator-init-microvolt = <900000>; regulator-ramp-delay = <6001>; regulator-initial-mode = <0x2>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi index 58ba328ea782..93189f830640 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi @@ -232,7 +232,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -246,7 +245,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -270,7 +268,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts index 59ecf868dbd0..a337f547caf5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts @@ -291,7 +291,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -305,7 +304,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -329,7 +327,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi index c50fbdd48680..45b03dcbbad4 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi @@ -163,7 +163,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -177,7 +176,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -201,7 +199,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts index 917f5b2b8aab..e05ab11981f5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts @@ -350,7 +350,6 @@ regulator-name = "vdd_logic"; regulator-always-on; regulator-boot-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -364,7 +363,6 @@ vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; @@ -388,7 +386,6 @@ vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; - regulator-init-microvolt = <900000>; regulator-initial-mode = <0x2>; regulator-min-microvolt = <500000>; regulator-max-microvolt = <1350000>; diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts index afda976680bc..51537030f8e3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -337,7 +337,6 @@ regulator-boot-on; regulator-min-microvolt = <550000>; regulator-max-microvolt = <950000>; - regulator-init-microvolt = <750000>; regulator-ramp-delay = <12500>; regulator-name = "vdd_vdenc_s0"; diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts index 4d9ed2a02736..1a60a275ddf9 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts @@ -125,19 +125,19 @@ cpu-supply = <&vdd_cpu_lit_s0>; }; -&cpu_b0{ +&cpu_b0 { cpu-supply = <&vdd_cpu_big0_s0>; }; -&cpu_b1{ +&cpu_b1 { cpu-supply = <&vdd_cpu_big0_s0>; }; -&cpu_b2{ +&cpu_b2 { cpu-supply = <&vdd_cpu_big1_s0>; }; -&cpu_b3{ +&cpu_b3 { cpu-supply = <&vdd_cpu_big1_s0>; }; diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h index 8e5ffb58f83e..b7afaa026842 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -31,6 +31,13 @@ .Lskip_hcrx_\@: .endm +/* Check if running in host at EL2 mode, i.e., (h)VHE. Jump to fail if not. */ +.macro __check_hvhe fail, tmp + mrs \tmp, hcr_el2 + and \tmp, \tmp, #HCR_E2H + cbz \tmp, \fail +.endm + /* * Allow Non-secure EL1 and EL0 to access physical timer and counter. * This is not necessary for VHE, since the host kernel runs in EL2, @@ -43,9 +50,7 @@ */ .macro __init_el2_timers mov x0, #3 // Enable EL1 physical timers - mrs x1, hcr_el2 - and x1, x1, #HCR_E2H - cbz x1, .LnVHE_\@ + __check_hvhe .LnVHE_\@, x1 lsl x0, x0, #10 .LnVHE_\@: msr cnthctl_el2, x0 @@ -139,15 +144,14 @@ /* Coprocessor traps */ .macro __init_el2_cptr - mrs x1, hcr_el2 - and x1, x1, #HCR_E2H - cbz x1, .LnVHE_\@ + __check_hvhe .LnVHE_\@, x1 mov x0, #(CPACR_EL1_FPEN_EL1EN | CPACR_EL1_FPEN_EL0EN) - b .Lset_cptr_\@ + msr cpacr_el1, x0 + b .Lskip_set_cptr_\@ .LnVHE_\@: mov x0, #0x33ff -.Lset_cptr_\@: msr cptr_el2, x0 // Disable copro. traps to EL2 +.Lskip_set_cptr_\@: .endm /* Disable any fine grained traps */ @@ -268,19 +272,19 @@ check_override id_aa64pfr0, ID_AA64PFR0_EL1_SVE_SHIFT, .Linit_sve_\@, .Lskip_sve_\@, x1, x2 .Linit_sve_\@: /* SVE register access */ - mrs x0, cptr_el2 // Disable SVE traps - mrs x1, hcr_el2 - and x1, x1, #HCR_E2H - cbz x1, .Lcptr_nvhe_\@ + __check_hvhe .Lcptr_nvhe_\@, x1 - // VHE case + // (h)VHE case + mrs x0, cpacr_el1 // Disable SVE traps orr x0, x0, #(CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN) - b .Lset_cptr_\@ + msr cpacr_el1, x0 + b .Lskip_set_cptr_\@ .Lcptr_nvhe_\@: // nVHE case + mrs x0, cptr_el2 // Disable SVE traps bic x0, x0, #CPTR_EL2_TZ -.Lset_cptr_\@: msr cptr_el2, x0 +.Lskip_set_cptr_\@: isb mov x1, #ZCR_ELx_LEN_MASK // SVE: Enable full vector msr_s SYS_ZCR_EL2, x1 // length for EL1. @@ -289,9 +293,19 @@ check_override id_aa64pfr1, ID_AA64PFR1_EL1_SME_SHIFT, .Linit_sme_\@, .Lskip_sme_\@, x1, x2 .Linit_sme_\@: /* SME register access and priority mapping */ + __check_hvhe .Lcptr_nvhe_sme_\@, x1 + + // (h)VHE case + mrs x0, cpacr_el1 // Disable SME traps + orr x0, x0, #(CPACR_EL1_SMEN_EL0EN | CPACR_EL1_SMEN_EL1EN) + msr cpacr_el1, x0 + b .Lskip_set_cptr_sme_\@ + +.Lcptr_nvhe_sme_\@: // nVHE case mrs x0, cptr_el2 // Disable SME traps bic x0, x0, #CPTR_EL2_TSM msr cptr_el2, x0 +.Lskip_set_cptr_sme_\@: isb mrs x1, sctlr_el2 diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h index 67f2fb781f59..8df46f186c64 100644 --- a/arch/arm64/include/asm/fpsimd.h +++ b/arch/arm64/include/asm/fpsimd.h @@ -356,7 +356,7 @@ static inline int sme_max_virtualisable_vl(void) return vec_max_virtualisable_vl(ARM64_VEC_SME); } -extern void sme_alloc(struct task_struct *task); +extern void sme_alloc(struct task_struct *task, bool flush); extern unsigned int sme_get_vl(void); extern int sme_set_current_vl(unsigned long arg); extern int sme_get_current_vl(void); @@ -388,7 +388,7 @@ static inline void sme_smstart_sm(void) { } static inline void sme_smstop_sm(void) { } static inline void sme_smstop(void) { } -static inline void sme_alloc(struct task_struct *task) { } +static inline void sme_alloc(struct task_struct *task, bool flush) { } static inline void sme_setup(void) { } static inline unsigned int sme_get_vl(void) { return 0; } static inline int sme_max_vl(void) { return 0; } diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 7d170aaa2db4..24e28bb2d95b 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -278,7 +278,7 @@ asmlinkage void __noreturn hyp_panic_bad_stack(void); asmlinkage void kvm_unexpected_el2_exception(void); struct kvm_cpu_context; void handle_trap(struct kvm_cpu_context *host_ctxt); -asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on); +asmlinkage void __noreturn __kvm_host_psci_cpu_entry(bool is_cpu_on); void __noreturn __pkvm_init_finalise(void); void kvm_nvhe_prepare_backtrace(unsigned long fp, unsigned long pc); void kvm_patch_vector_branch(struct alt_instr *alt, diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index efc0b45d79c3..3d6725ff0bf6 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -571,6 +571,14 @@ static inline bool vcpu_has_feature(struct kvm_vcpu *vcpu, int feature) return test_bit(feature, vcpu->arch.features); } +static __always_inline void kvm_write_cptr_el2(u64 val) +{ + if (has_vhe() || has_hvhe()) + write_sysreg(val, cpacr_el1); + else + write_sysreg(val, cptr_el2); +} + static __always_inline u64 kvm_get_reset_cptr_el2(struct kvm_vcpu *vcpu) { u64 val; @@ -578,8 +586,16 @@ static __always_inline u64 kvm_get_reset_cptr_el2(struct kvm_vcpu *vcpu) if (has_vhe()) { val = (CPACR_EL1_FPEN_EL0EN | CPACR_EL1_FPEN_EL1EN | CPACR_EL1_ZEN_EL1EN); + if (cpus_have_final_cap(ARM64_SME)) + val |= CPACR_EL1_SMEN_EL1EN; } else if (has_hvhe()) { val = (CPACR_EL1_FPEN_EL0EN | CPACR_EL1_FPEN_EL1EN); + + if (!vcpu_has_sve(vcpu) || + (vcpu->arch.fp_state != FP_STATE_GUEST_OWNED)) + val |= CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN; + if (cpus_have_final_cap(ARM64_SME)) + val |= CPACR_EL1_SMEN_EL1EN | CPACR_EL1_SMEN_EL0EN; } else { val = CPTR_NVHE_EL2_RES1; @@ -597,9 +613,6 @@ static __always_inline void kvm_reset_cptr_el2(struct kvm_vcpu *vcpu) { u64 val = kvm_get_reset_cptr_el2(vcpu); - if (has_vhe() || has_hvhe()) - write_sysreg(val, cpacr_el1); - else - write_sysreg(val, cptr_el2); + kvm_write_cptr_el2(val); } #endif /* __ARM64_KVM_EMULATE_H__ */ diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 3918f2a67970..e5bc54522e71 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -359,14 +359,6 @@ static inline void prefetchw(const void *ptr) asm volatile("prfm pstl1keep, %a0\n" : : "p" (ptr)); } -#define ARCH_HAS_SPINLOCK_PREFETCH -static inline void spin_lock_prefetch(const void *ptr) -{ - asm volatile(ARM64_LSE_ATOMIC_INSN( - "prfm pstl1strm, %a0", - "nop") : : "p" (ptr)); -} - extern unsigned long __ro_after_init signal_minsigstksz; /* sigframe size */ extern void __init minsigstksz_setup(void); diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 64a514f90131..bd77253b62e0 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -39,7 +39,7 @@ #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) -#define __NR_compat_syscalls 452 +#define __NR_compat_syscalls 453 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index d952a28463e0..78b68311ec81 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -909,6 +909,8 @@ __SYSCALL(__NR_futex_waitv, sys_futex_waitv) __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node) #define __NR_cachestat 451 __SYSCALL(__NR_cachestat, sys_cachestat) +#define __NR_fchmodat2 452 +__SYSCALL(__NR_fchmodat2, sys_fchmodat2) /* * Please add new compat syscalls above this comment and update diff --git a/arch/arm64/include/uapi/asm/bitsperlong.h b/arch/arm64/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..485d60bee26c --- /dev/null +++ b/arch/arm64/include/uapi/asm/bitsperlong.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_BITSPERLONG_H +#define __ASM_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_BITSPERLONG_H */ diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 75c37b1c55aa..087c05aa960e 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -1285,9 +1285,9 @@ void fpsimd_release_task(struct task_struct *dead_task) * the interest of testability and predictability, the architecture * guarantees that when ZA is enabled it will be zeroed. */ -void sme_alloc(struct task_struct *task) +void sme_alloc(struct task_struct *task, bool flush) { - if (task->thread.sme_state) { + if (task->thread.sme_state && flush) { memset(task->thread.sme_state, 0, sme_state_size(task)); return; } @@ -1515,7 +1515,7 @@ void do_sme_acc(unsigned long esr, struct pt_regs *regs) } sve_alloc(current, false); - sme_alloc(current); + sme_alloc(current, true); if (!current->thread.sve_state || !current->thread.sme_state) { force_sig(SIGKILL); return; diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 5b9b4305248b..187aa2b175b4 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -881,6 +881,13 @@ static int sve_set_common(struct task_struct *target, break; case ARM64_VEC_SME: target->thread.svcr |= SVCR_SM_MASK; + + /* + * Disable traps and ensure there is SME storage but + * preserve any currently set values in ZA/ZT. + */ + sme_alloc(target, false); + set_tsk_thread_flag(target, TIF_SME); break; default: WARN_ON_ONCE(1); @@ -1100,7 +1107,7 @@ static int za_set(struct task_struct *target, } /* Allocate/reinit ZA storage */ - sme_alloc(target); + sme_alloc(target, true); if (!target->thread.sme_state) { ret = -ENOMEM; goto out; @@ -1170,8 +1177,13 @@ static int zt_set(struct task_struct *target, if (!system_supports_sme2()) return -EINVAL; + /* Ensure SVE storage in case this is first use of SME */ + sve_alloc(target, false); + if (!target->thread.sve_state) + return -ENOMEM; + if (!thread_za_enabled(&target->thread)) { - sme_alloc(target); + sme_alloc(target, true); if (!target->thread.sme_state) return -ENOMEM; } @@ -1179,8 +1191,10 @@ static int zt_set(struct task_struct *target, ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, thread_zt_state(&target->thread), 0, ZT_SIG_REG_BYTES); - if (ret == 0) + if (ret == 0) { target->thread.svcr |= SVCR_ZA_MASK; + set_tsk_thread_flag(target, TIF_SME); + } fpsimd_flush_task_state(target); diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index e304f7ebec2a..c7ebe744c64e 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -475,7 +475,7 @@ static int restore_za_context(struct user_ctxs *user) fpsimd_flush_task_state(current); /* From now, fpsimd_thread_switch() won't touch thread.sve_state */ - sme_alloc(current); + sme_alloc(current, true); if (!current->thread.sme_state) { current->thread.svcr &= ~SVCR_ZA_MASK; clear_thread_flag(TIF_SME); diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 72dc53a75d1c..d1cb298a58a0 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -55,7 +55,7 @@ DECLARE_KVM_NVHE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt); static bool vgic_present, kvm_arm_initialised; -static DEFINE_PER_CPU(unsigned char, kvm_arm_hardware_enabled); +static DEFINE_PER_CPU(unsigned char, kvm_hyp_initialized); DEFINE_STATIC_KEY_FALSE(userspace_irqchip_in_use); bool is_kvm_arm_initialised(void) @@ -1864,18 +1864,24 @@ static void cpu_hyp_reinit(void) cpu_hyp_init_features(); } -static void _kvm_arch_hardware_enable(void *discard) +static void cpu_hyp_init(void *discard) { - if (!__this_cpu_read(kvm_arm_hardware_enabled)) { + if (!__this_cpu_read(kvm_hyp_initialized)) { cpu_hyp_reinit(); - __this_cpu_write(kvm_arm_hardware_enabled, 1); + __this_cpu_write(kvm_hyp_initialized, 1); } } -int kvm_arch_hardware_enable(void) +static void cpu_hyp_uninit(void *discard) { - int was_enabled; + if (__this_cpu_read(kvm_hyp_initialized)) { + cpu_hyp_reset(); + __this_cpu_write(kvm_hyp_initialized, 0); + } +} +int kvm_arch_hardware_enable(void) +{ /* * Most calls to this function are made with migration * disabled, but not with preemption disabled. The former is @@ -1884,36 +1890,23 @@ int kvm_arch_hardware_enable(void) */ preempt_disable(); - was_enabled = __this_cpu_read(kvm_arm_hardware_enabled); - _kvm_arch_hardware_enable(NULL); + cpu_hyp_init(NULL); - if (!was_enabled) { - kvm_vgic_cpu_up(); - kvm_timer_cpu_up(); - } + kvm_vgic_cpu_up(); + kvm_timer_cpu_up(); preempt_enable(); return 0; } -static void _kvm_arch_hardware_disable(void *discard) -{ - if (__this_cpu_read(kvm_arm_hardware_enabled)) { - cpu_hyp_reset(); - __this_cpu_write(kvm_arm_hardware_enabled, 0); - } -} - void kvm_arch_hardware_disable(void) { - if (__this_cpu_read(kvm_arm_hardware_enabled)) { - kvm_timer_cpu_down(); - kvm_vgic_cpu_down(); - } + kvm_timer_cpu_down(); + kvm_vgic_cpu_down(); if (!is_protected_kvm_enabled()) - _kvm_arch_hardware_disable(NULL); + cpu_hyp_uninit(NULL); } #ifdef CONFIG_CPU_PM @@ -1922,16 +1915,16 @@ static int hyp_init_cpu_pm_notifier(struct notifier_block *self, void *v) { /* - * kvm_arm_hardware_enabled is left with its old value over + * kvm_hyp_initialized is left with its old value over * PM_ENTER->PM_EXIT. It is used to indicate PM_EXIT should * re-enable hyp. */ switch (cmd) { case CPU_PM_ENTER: - if (__this_cpu_read(kvm_arm_hardware_enabled)) + if (__this_cpu_read(kvm_hyp_initialized)) /* - * don't update kvm_arm_hardware_enabled here - * so that the hardware will be re-enabled + * don't update kvm_hyp_initialized here + * so that the hyp will be re-enabled * when we resume. See below. */ cpu_hyp_reset(); @@ -1939,8 +1932,8 @@ static int hyp_init_cpu_pm_notifier(struct notifier_block *self, return NOTIFY_OK; case CPU_PM_ENTER_FAILED: case CPU_PM_EXIT: - if (__this_cpu_read(kvm_arm_hardware_enabled)) - /* The hardware was enabled before suspend. */ + if (__this_cpu_read(kvm_hyp_initialized)) + /* The hyp was enabled before suspend. */ cpu_hyp_reinit(); return NOTIFY_OK; @@ -2021,7 +2014,7 @@ static int __init init_subsystems(void) /* * Enable hardware so that subsystem initialisation can access EL2. */ - on_each_cpu(_kvm_arch_hardware_enable, NULL, 1); + on_each_cpu(cpu_hyp_init, NULL, 1); /* * Register CPU lower-power notifier @@ -2059,7 +2052,7 @@ out: hyp_cpu_pm_exit(); if (err || !is_protected_kvm_enabled()) - on_each_cpu(_kvm_arch_hardware_disable, NULL, 1); + on_each_cpu(cpu_hyp_uninit, NULL, 1); return err; } @@ -2097,7 +2090,7 @@ static int __init do_pkvm_init(u32 hyp_va_bits) * The stub hypercalls are now disabled, so set our local flag to * prevent a later re-init attempt in kvm_arch_hardware_enable(). */ - __this_cpu_write(kvm_arm_hardware_enabled, 1); + __this_cpu_write(kvm_hyp_initialized, 1); preempt_enable(); return ret; diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h index 4bddb8541bec..34f222af6165 100644 --- a/arch/arm64/kvm/hyp/include/hyp/switch.h +++ b/arch/arm64/kvm/hyp/include/hyp/switch.h @@ -457,6 +457,7 @@ static bool handle_ampere1_tcr(struct kvm_vcpu *vcpu) */ val &= ~(TCR_HD | TCR_HA); write_sysreg_el1(val, SYS_TCR); + __kvm_skip_instr(vcpu); return true; } diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c index 58dcd92bf346..ab4f5d160c58 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -705,7 +705,20 @@ int hyp_ffa_init(void *pages) if (res.a0 == FFA_RET_NOT_SUPPORTED) return 0; - if (res.a0 != FFA_VERSION_1_0) + /* + * Firmware returns the maximum supported version of the FF-A + * implementation. Check that the returned version is + * backwards-compatible with the hyp according to the rules in DEN0077A + * v1.1 REL0 13.2.1. + * + * Of course, things are never simple when dealing with firmware. v1.1 + * broke ABI with v1.0 on several structures, which is itself + * incompatible with the aforementioned versioning scheme. The + * expectation is that v1.x implementations that do not support the v1.0 + * ABI return NOT_SUPPORTED rather than a version number, according to + * DEN0077A v1.1 REL0 18.6.4. + */ + if (FFA_MAJOR_VERSION(res.a0) != 1) return -EOPNOTSUPP; arm_smccc_1_1_smc(FFA_ID_GET, 0, 0, 0, 0, 0, 0, 0, &res); diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index 0a6271052def..e89a23153e85 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -63,7 +63,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu) __activate_traps_fpsimd32(vcpu); } - write_sysreg(val, cptr_el2); + kvm_write_cptr_el2(val); write_sysreg(__this_cpu_read(kvm_hyp_vector), vbar_el2); if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) { diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index d1978e004054..47e3801b526a 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -634,7 +634,6 @@ ia64_imva (void *addr) #define ARCH_HAS_PREFETCH #define ARCH_HAS_PREFETCHW -#define ARCH_HAS_SPINLOCK_PREFETCH #define PREFETCH_STRIDE L1_CACHE_BYTES static inline void @@ -649,8 +648,6 @@ prefetchw (const void *x) ia64_lfetch_excl(ia64_lfhint_none, x); } -#define spin_lock_prefetch(x) prefetchw(x) - extern unsigned long boot_option_idle_override; enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT, diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl index f8c74ffeeefb..83d8609aec03 100644 --- a/arch/ia64/kernel/syscalls/syscall.tbl +++ b/arch/ia64/kernel/syscalls/syscall.tbl @@ -372,3 +372,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index e71d5bf2cee0..465759f6b0ed 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -662,5 +662,3 @@ source "kernel/power/Kconfig" source "drivers/acpi/Kconfig" endmenu - -source "drivers/firmware/Kconfig" diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile index b1e5db51b61c..ef87bab46754 100644 --- a/arch/loongarch/Makefile +++ b/arch/loongarch/Makefile @@ -83,8 +83,8 @@ KBUILD_CFLAGS_KERNEL += -fPIE LDFLAGS_vmlinux += -static -pie --no-dynamic-linker -z notext endif -cflags-y += -ffreestanding cflags-y += $(call cc-option, -mno-check-zero-division) +cflags-y += -fno-builtin-memcpy -fno-builtin-memmove -fno-builtin-memset load-y = 0x9000000000200000 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild index 6b222f227342..93783fa24f6e 100644 --- a/arch/loongarch/include/asm/Kbuild +++ b/arch/loongarch/include/asm/Kbuild @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 generic-y += dma-contiguous.h -generic-y += export.h generic-y += mcs_spinlock.h generic-y += parport.h generic-y += early_ioremap.h diff --git a/arch/loongarch/include/asm/fpu.h b/arch/loongarch/include/asm/fpu.h index b541f6248837..c2d8962fda00 100644 --- a/arch/loongarch/include/asm/fpu.h +++ b/arch/loongarch/include/asm/fpu.h @@ -173,16 +173,30 @@ static inline void restore_fp(struct task_struct *tsk) _restore_fp(&tsk->thread.fpu); } -static inline union fpureg *get_fpu_regs(struct task_struct *tsk) +static inline void save_fpu_regs(struct task_struct *tsk) { + unsigned int euen; + if (tsk == current) { preempt_disable(); - if (is_fpu_owner()) + + euen = csr_read32(LOONGARCH_CSR_EUEN); + +#ifdef CONFIG_CPU_HAS_LASX + if (euen & CSR_EUEN_LASXEN) + _save_lasx(¤t->thread.fpu); + else +#endif +#ifdef CONFIG_CPU_HAS_LSX + if (euen & CSR_EUEN_LSXEN) + _save_lsx(¤t->thread.fpu); + else +#endif + if (euen & CSR_EUEN_FPEN) _save_fp(¤t->thread.fpu); + preempt_enable(); } - - return tsk->thread.fpu.fpr; } static inline int is_simd_owner(void) diff --git a/arch/loongarch/include/asm/ptrace.h b/arch/loongarch/include/asm/ptrace.h index 35f0958163ac..f3ddaed9ef7f 100644 --- a/arch/loongarch/include/asm/ptrace.h +++ b/arch/loongarch/include/asm/ptrace.h @@ -162,7 +162,7 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long val #define instruction_pointer(regs) ((regs)->csr_era) #define profile_pc(regs) instruction_pointer(regs) -extern void die(const char *, struct pt_regs *) __noreturn; +extern void die(const char *str, struct pt_regs *regs); static inline void die_if_kernel(const char *str, struct pt_regs *regs) { diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h index 416b653bccb4..66ecb480c894 100644 --- a/arch/loongarch/include/asm/smp.h +++ b/arch/loongarch/include/asm/smp.h @@ -98,8 +98,6 @@ static inline void __cpu_die(unsigned int cpu) { loongson_cpu_die(cpu); } - -extern void __noreturn play_dead(void); #endif #endif /* __ASM_SMP_H */ diff --git a/arch/loongarch/kernel/fpu.S b/arch/loongarch/kernel/fpu.S index f3df5f0a4509..501094a09f5d 100644 --- a/arch/loongarch/kernel/fpu.S +++ b/arch/loongarch/kernel/fpu.S @@ -6,12 +6,12 @@ * * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/asm-extable.h> #include <asm/asm-offsets.h> #include <asm/errno.h> -#include <asm/export.h> #include <asm/fpregdef.h> #include <asm/loongarch.h> #include <asm/regdef.h> diff --git a/arch/loongarch/kernel/hw_breakpoint.c b/arch/loongarch/kernel/hw_breakpoint.c index 021b59c248fa..fc55c4de2a11 100644 --- a/arch/loongarch/kernel/hw_breakpoint.c +++ b/arch/loongarch/kernel/hw_breakpoint.c @@ -207,8 +207,7 @@ static int hw_breakpoint_control(struct perf_event *bp, write_wb_reg(CSR_CFG_CTRL, i, 0, CTRL_PLV_ENABLE); } else { ctrl = encode_ctrl_reg(info->ctrl); - write_wb_reg(CSR_CFG_CTRL, i, 1, ctrl | CTRL_PLV_ENABLE | - 1 << MWPnCFG3_LoadEn | 1 << MWPnCFG3_StoreEn); + write_wb_reg(CSR_CFG_CTRL, i, 1, ctrl | CTRL_PLV_ENABLE); } enable = csr_read64(LOONGARCH_CSR_CRMD); csr_write64(CSR_CRMD_WE | enable, LOONGARCH_CSR_CRMD); diff --git a/arch/loongarch/kernel/mcount.S b/arch/loongarch/kernel/mcount.S index cb8e5803de4b..3015896016a0 100644 --- a/arch/loongarch/kernel/mcount.S +++ b/arch/loongarch/kernel/mcount.S @@ -5,7 +5,7 @@ * Copyright (C) 2022 Loongson Technology Corporation Limited */ -#include <asm/export.h> +#include <linux/export.h> #include <asm/ftrace.h> #include <asm/regdef.h> #include <asm/stackframe.h> diff --git a/arch/loongarch/kernel/mcount_dyn.S b/arch/loongarch/kernel/mcount_dyn.S index e16ab0b98e5a..482aa553aa2d 100644 --- a/arch/loongarch/kernel/mcount_dyn.S +++ b/arch/loongarch/kernel/mcount_dyn.S @@ -3,7 +3,6 @@ * Copyright (C) 2022 Loongson Technology Corporation Limited */ -#include <asm/export.h> #include <asm/ftrace.h> #include <asm/regdef.h> #include <asm/stackframe.h> diff --git a/arch/loongarch/kernel/process.c b/arch/loongarch/kernel/process.c index 2e04eb07abb6..4ee1e9d6a65f 100644 --- a/arch/loongarch/kernel/process.c +++ b/arch/loongarch/kernel/process.c @@ -61,13 +61,6 @@ EXPORT_SYMBOL(__stack_chk_guard); unsigned long boot_option_idle_override = IDLE_NO_OVERRIDE; EXPORT_SYMBOL(boot_option_idle_override); -#ifdef CONFIG_HOTPLUG_CPU -void __noreturn arch_cpu_idle_dead(void) -{ - play_dead(); -} -#endif - asmlinkage void ret_from_fork(void); asmlinkage void ret_from_kernel_thread(void); diff --git a/arch/loongarch/kernel/ptrace.c b/arch/loongarch/kernel/ptrace.c index a0767c3a0f0a..f72adbf530c6 100644 --- a/arch/loongarch/kernel/ptrace.c +++ b/arch/loongarch/kernel/ptrace.c @@ -147,6 +147,8 @@ static int fpr_get(struct task_struct *target, { int r; + save_fpu_regs(target); + if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) r = gfpr_get(target, &to); else @@ -278,6 +280,8 @@ static int simd_get(struct task_struct *target, { const unsigned int wr_size = NUM_FPU_REGS * regset->size; + save_fpu_regs(target); + if (!tsk_used_math(target)) { /* The task hasn't used FP or LSX, fill with 0xff */ copy_pad_fprs(target, regset, &to, 0); diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c index 8ea1bbcf13a7..6667b0a90f81 100644 --- a/arch/loongarch/kernel/smp.c +++ b/arch/loongarch/kernel/smp.c @@ -317,7 +317,7 @@ void loongson_cpu_die(unsigned int cpu) mb(); } -void play_dead(void) +void __noreturn arch_cpu_idle_dead(void) { register uint64_t addr; register void (*init_fn)(void); diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c index 8fb5e7a77145..89699db45cec 100644 --- a/arch/loongarch/kernel/traps.c +++ b/arch/loongarch/kernel/traps.c @@ -383,16 +383,15 @@ void show_registers(struct pt_regs *regs) static DEFINE_RAW_SPINLOCK(die_lock); -void __noreturn die(const char *str, struct pt_regs *regs) +void die(const char *str, struct pt_regs *regs) { + int ret; static int die_counter; - int sig = SIGSEGV; oops_enter(); - if (notify_die(DIE_OOPS, str, regs, 0, current->thread.trap_nr, - SIGSEGV) == NOTIFY_STOP) - sig = 0; + ret = notify_die(DIE_OOPS, str, regs, 0, + current->thread.trap_nr, SIGSEGV); console_verbose(); raw_spin_lock_irq(&die_lock); @@ -405,6 +404,9 @@ void __noreturn die(const char *str, struct pt_regs *regs) oops_exit(); + if (ret == NOTIFY_STOP) + return; + if (regs && kexec_should_crash(current)) crash_kexec(regs); @@ -414,7 +416,7 @@ void __noreturn die(const char *str, struct pt_regs *regs) if (panic_on_oops) panic("Fatal exception"); - make_task_dead(sig); + make_task_dead(SIGSEGV); } static inline void setup_vint_size(unsigned int size) diff --git a/arch/loongarch/lib/clear_user.S b/arch/loongarch/lib/clear_user.S index 9dcf71719387..0790eadce166 100644 --- a/arch/loongarch/lib/clear_user.S +++ b/arch/loongarch/lib/clear_user.S @@ -3,12 +3,12 @@ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <asm/alternative-asm.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/asm-extable.h> #include <asm/cpu.h> -#include <asm/export.h> #include <asm/regdef.h> .irp to, 0, 1, 2, 3, 4, 5, 6, 7 diff --git a/arch/loongarch/lib/copy_user.S b/arch/loongarch/lib/copy_user.S index fecd08cad702..bfe3d2793d00 100644 --- a/arch/loongarch/lib/copy_user.S +++ b/arch/loongarch/lib/copy_user.S @@ -3,12 +3,12 @@ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <asm/alternative-asm.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/asm-extable.h> #include <asm/cpu.h> -#include <asm/export.h> #include <asm/regdef.h> .irp to, 0, 1, 2, 3, 4, 5, 6, 7 diff --git a/arch/loongarch/lib/memcpy.S b/arch/loongarch/lib/memcpy.S index 39ce6621c704..cc30b3b6252f 100644 --- a/arch/loongarch/lib/memcpy.S +++ b/arch/loongarch/lib/memcpy.S @@ -3,11 +3,11 @@ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <asm/alternative-asm.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/cpu.h> -#include <asm/export.h> #include <asm/regdef.h> SYM_FUNC_START(memcpy) diff --git a/arch/loongarch/lib/memmove.S b/arch/loongarch/lib/memmove.S index 45b725ba7867..7dc76d1484b6 100644 --- a/arch/loongarch/lib/memmove.S +++ b/arch/loongarch/lib/memmove.S @@ -3,11 +3,11 @@ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <asm/alternative-asm.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/cpu.h> -#include <asm/export.h> #include <asm/regdef.h> SYM_FUNC_START(memmove) diff --git a/arch/loongarch/lib/memset.S b/arch/loongarch/lib/memset.S index b39c6194e3ae..3f20f7996e8e 100644 --- a/arch/loongarch/lib/memset.S +++ b/arch/loongarch/lib/memset.S @@ -3,11 +3,11 @@ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <asm/alternative-asm.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/cpu.h> -#include <asm/export.h> #include <asm/regdef.h> .macro fill_to_64 r0 diff --git a/arch/loongarch/lib/unaligned.S b/arch/loongarch/lib/unaligned.S index 9177fd638f07..185f82d85810 100644 --- a/arch/loongarch/lib/unaligned.S +++ b/arch/loongarch/lib/unaligned.S @@ -9,7 +9,6 @@ #include <asm/asmmacro.h> #include <asm/asm-extable.h> #include <asm/errno.h> -#include <asm/export.h> #include <asm/regdef.h> .L_fixup_handle_unaligned: diff --git a/arch/loongarch/mm/page.S b/arch/loongarch/mm/page.S index 4c874a7af0ad..7ad76551d313 100644 --- a/arch/loongarch/mm/page.S +++ b/arch/loongarch/mm/page.S @@ -2,9 +2,9 @@ /* * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#include <linux/export.h> #include <linux/linkage.h> #include <asm/asm.h> -#include <asm/export.h> #include <asm/page.h> #include <asm/regdef.h> diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S index 4ad78703de6f..ca17dd3a1915 100644 --- a/arch/loongarch/mm/tlbex.S +++ b/arch/loongarch/mm/tlbex.S @@ -3,7 +3,6 @@ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ #include <asm/asm.h> -#include <asm/export.h> #include <asm/loongarch.h> #include <asm/page.h> #include <asm/pgtable.h> diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index 4f504783371f..259ceb125367 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -451,3 +451,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl index 858d22bf275c..a3798c2637fd 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -457,3 +457,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index 9151dcd9d0d5..af9cea21c853 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -58,8 +58,6 @@ #define cpu_has_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) -#define ARCH_HAS_SPINLOCK_PREFETCH 1 -#define spin_lock_prefetch(x) prefetch(x) #define PREFETCH_STRIDE 128 #ifdef __OCTEON__ diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 1976317d4e8b..152034b8e0a0 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -390,3 +390,4 @@ 449 n32 futex_waitv sys_futex_waitv 450 n32 set_mempolicy_home_node sys_set_mempolicy_home_node 451 n32 cachestat sys_cachestat +452 n32 fchmodat2 sys_fchmodat2 diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index cfda2511badf..cb5e757f6621 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -366,3 +366,4 @@ 449 n64 futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 n64 cachestat sys_cachestat +452 n64 fchmodat2 sys_fchmodat2 diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 7692234c3768..1a646813afdc 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -439,3 +439,4 @@ 449 o32 futex_waitv sys_futex_waitv 450 o32 set_mempolicy_home_node sys_set_mempolicy_home_node 451 o32 cachestat sys_cachestat +452 o32 fchmodat2 sys_fchmodat2 diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug index 1401e4c5fe5f..bf2b21b96f0b 100644 --- a/arch/parisc/Kconfig.debug +++ b/arch/parisc/Kconfig.debug @@ -2,7 +2,7 @@ # config LIGHTWEIGHT_SPINLOCK_CHECK bool "Enable lightweight spinlock checks" - depends on SMP && !DEBUG_SPINLOCK + depends on DEBUG_KERNEL && SMP && !DEBUG_SPINLOCK default y help Add checks with low performance impact to the spinlock functions diff --git a/arch/parisc/boot/compressed/misc.c b/arch/parisc/boot/compressed/misc.c index 7ee49f5881d1..d389359e22ac 100644 --- a/arch/parisc/boot/compressed/misc.c +++ b/arch/parisc/boot/compressed/misc.c @@ -117,7 +117,7 @@ char *strchr(const char *s, int c) return NULL; } -int puts(const char *s) +static int puts(const char *s) { const char *nuline = s; @@ -172,7 +172,7 @@ static int print_num(unsigned long num, int base) return 0; } -int printf(const char *fmt, ...) +static int printf(const char *fmt, ...) { va_list args; int i = 0; @@ -204,13 +204,13 @@ void abort(void) } #undef malloc -void *malloc(size_t size) +static void *malloc(size_t size) { return malloc_gzip(size); } #undef free -void free(void *ptr) +static void free(void *ptr) { return free_gzip(ptr); } @@ -278,7 +278,7 @@ static void parse_elf(void *output) free(phdrs); } -unsigned long decompress_kernel(unsigned int started_wide, +asmlinkage unsigned long __visible decompress_kernel(unsigned int started_wide, unsigned int command_line, const unsigned int rd_start, const unsigned int rd_end) diff --git a/arch/parisc/include/asm/dma.h b/arch/parisc/include/asm/dma.h index 9e8c101de902..582fb5d1a5d5 100644 --- a/arch/parisc/include/asm/dma.h +++ b/arch/parisc/include/asm/dma.h @@ -14,6 +14,8 @@ #define dma_outb outb #define dma_inb inb +extern unsigned long pcxl_dma_start; + /* ** DMA_CHUNK_SIZE is used by the SCSI mid-layer to break up ** (or rather not merge) DMAs into manageable chunks. diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h index a7cf0d05ccf4..f1cc1ee3a647 100644 --- a/arch/parisc/include/asm/ftrace.h +++ b/arch/parisc/include/asm/ftrace.h @@ -12,6 +12,10 @@ extern void mcount(void); extern unsigned long sys_call_table[]; extern unsigned long return_address(unsigned int); +struct ftrace_regs; +extern void ftrace_function_trampoline(unsigned long parent, + unsigned long self_addr, unsigned long org_sp_gr3, + struct ftrace_regs *fregs); #ifdef CONFIG_DYNAMIC_FTRACE extern void ftrace_caller(void); diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h index edfcb9858bcb..0b326e52255e 100644 --- a/arch/parisc/include/asm/spinlock.h +++ b/arch/parisc/include/asm/spinlock.h @@ -7,8 +7,6 @@ #include <asm/processor.h> #include <asm/spinlock_types.h> -#define SPINLOCK_BREAK_INSN 0x0000c006 /* break 6,6 */ - static inline void arch_spin_val_check(int lock_val) { if (IS_ENABLED(CONFIG_LIGHTWEIGHT_SPINLOCK_CHECK)) diff --git a/arch/parisc/include/asm/spinlock_types.h b/arch/parisc/include/asm/spinlock_types.h index d65934079ebd..efd06a897c6a 100644 --- a/arch/parisc/include/asm/spinlock_types.h +++ b/arch/parisc/include/asm/spinlock_types.h @@ -4,6 +4,10 @@ #define __ARCH_SPIN_LOCK_UNLOCKED_VAL 0x1a46 +#define SPINLOCK_BREAK_INSN 0x0000c006 /* break 6,6 */ + +#ifndef __ASSEMBLY__ + typedef struct { #ifdef CONFIG_PA20 volatile unsigned int slock; @@ -27,6 +31,8 @@ typedef struct { volatile unsigned int counter; } arch_rwlock_t; +#endif /* __ASSEMBLY__ */ + #define __ARCH_RW_LOCK_UNLOCKED__ 0x01000000 #define __ARCH_RW_LOCK_UNLOCKED { .lock_mutex = __ARCH_SPIN_LOCK_UNLOCKED, \ .counter = __ARCH_RW_LOCK_UNLOCKED__ } diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 0e5ebfe8d9d2..ae03b8679696 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -25,6 +25,7 @@ #include <asm/traps.h> #include <asm/thread_info.h> #include <asm/alternative.h> +#include <asm/spinlock_types.h> #include <linux/linkage.h> #include <linux/pgtable.h> @@ -406,7 +407,7 @@ LDREG 0(\ptp),\pte bb,<,n \pte,_PAGE_PRESENT_BIT,3f b \fault - stw \spc,0(\tmp) + stw \tmp1,0(\tmp) 99: ALTERNATIVE(98b, 99b, ALT_COND_NO_SMP, INSN_NOP) #endif 2: LDREG 0(\ptp),\pte @@ -415,24 +416,22 @@ .endm /* Release page_table_lock without reloading lock address. - Note that the values in the register spc are limited to - NR_SPACE_IDS (262144). Thus, the stw instruction always - stores a nonzero value even when register spc is 64 bits. We use an ordered store to ensure all prior accesses are performed prior to releasing the lock. */ - .macro ptl_unlock0 spc,tmp + .macro ptl_unlock0 spc,tmp,tmp2 #ifdef CONFIG_TLB_PTLOCK -98: or,COND(=) %r0,\spc,%r0 - stw,ma \spc,0(\tmp) +98: ldi __ARCH_SPIN_LOCK_UNLOCKED_VAL, \tmp2 + or,COND(=) %r0,\spc,%r0 + stw,ma \tmp2,0(\tmp) 99: ALTERNATIVE(98b, 99b, ALT_COND_NO_SMP, INSN_NOP) #endif .endm /* Release page_table_lock. */ - .macro ptl_unlock1 spc,tmp + .macro ptl_unlock1 spc,tmp,tmp2 #ifdef CONFIG_TLB_PTLOCK 98: get_ptl \tmp - ptl_unlock0 \spc,\tmp + ptl_unlock0 \spc,\tmp,\tmp2 99: ALTERNATIVE(98b, 99b, ALT_COND_NO_SMP, INSN_NOP) #endif .endm @@ -1125,7 +1124,7 @@ dtlb_miss_20w: idtlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1151,7 +1150,7 @@ nadtlb_miss_20w: idtlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1185,7 +1184,7 @@ dtlb_miss_11: mtsp t1, %sr1 /* Restore sr1 */ - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1218,7 +1217,7 @@ nadtlb_miss_11: mtsp t1, %sr1 /* Restore sr1 */ - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1247,7 +1246,7 @@ dtlb_miss_20: idtlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1275,7 +1274,7 @@ nadtlb_miss_20: idtlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1320,7 +1319,7 @@ itlb_miss_20w: iitlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1344,7 +1343,7 @@ naitlb_miss_20w: iitlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1378,7 +1377,7 @@ itlb_miss_11: mtsp t1, %sr1 /* Restore sr1 */ - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1402,7 +1401,7 @@ naitlb_miss_11: mtsp t1, %sr1 /* Restore sr1 */ - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1432,7 +1431,7 @@ itlb_miss_20: iitlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1452,7 +1451,7 @@ naitlb_miss_20: iitlbt pte,prot - ptl_unlock1 spc,t0 + ptl_unlock1 spc,t0,t1 rfir nop @@ -1482,7 +1481,7 @@ dbit_trap_20w: idtlbt pte,prot - ptl_unlock0 spc,t0 + ptl_unlock0 spc,t0,t1 rfir nop #else @@ -1508,7 +1507,7 @@ dbit_trap_11: mtsp t1, %sr1 /* Restore sr1 */ - ptl_unlock0 spc,t0 + ptl_unlock0 spc,t0,t1 rfir nop @@ -1528,7 +1527,7 @@ dbit_trap_20: idtlbt pte,prot - ptl_unlock0 spc,t0 + ptl_unlock0 spc,t0,t1 rfir nop #endif diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 6d1c781eb1db..8f37e75f2fb9 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -74,8 +74,8 @@ static DEFINE_SPINLOCK(pdc_lock); #endif -unsigned long pdc_result[NUM_PDC_RESULT] __aligned(8); -unsigned long pdc_result2[NUM_PDC_RESULT] __aligned(8); +static unsigned long pdc_result[NUM_PDC_RESULT] __aligned(8); +static unsigned long pdc_result2[NUM_PDC_RESULT] __aligned(8); #ifdef CONFIG_64BIT #define WIDE_FIRMWARE 0x1 @@ -334,7 +334,7 @@ int __pdc_cpu_rendezvous(void) /** * pdc_cpu_rendezvous_lock - Lock PDC while transitioning to rendezvous state */ -void pdc_cpu_rendezvous_lock(void) +void pdc_cpu_rendezvous_lock(void) __acquires(&pdc_lock) { spin_lock(&pdc_lock); } @@ -342,7 +342,7 @@ void pdc_cpu_rendezvous_lock(void) /** * pdc_cpu_rendezvous_unlock - Unlock PDC after reaching rendezvous state */ -void pdc_cpu_rendezvous_unlock(void) +void pdc_cpu_rendezvous_unlock(void) __releases(&pdc_lock) { spin_unlock(&pdc_lock); } diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c index 4d392e4ed358..d1defb9ede70 100644 --- a/arch/parisc/kernel/ftrace.c +++ b/arch/parisc/kernel/ftrace.c @@ -53,7 +53,7 @@ static void __hot prepare_ftrace_return(unsigned long *parent, static ftrace_func_t ftrace_func; -void notrace __hot ftrace_function_trampoline(unsigned long parent, +asmlinkage void notrace __hot ftrace_function_trampoline(unsigned long parent, unsigned long self_addr, unsigned long org_sp_gr3, struct ftrace_regs *fregs) diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index 00297e8e1c88..6f0c92e8149d 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/syscalls.h> +#include <linux/libgcc.h> #include <linux/string.h> EXPORT_SYMBOL(memset); @@ -92,12 +93,6 @@ EXPORT_SYMBOL($$divI_12); EXPORT_SYMBOL($$divI_14); EXPORT_SYMBOL($$divI_15); -extern void __ashrdi3(void); -extern void __ashldi3(void); -extern void __lshrdi3(void); -extern void __muldi3(void); -extern void __ucmpdi2(void); - EXPORT_SYMBOL(__ashrdi3); EXPORT_SYMBOL(__ashldi3); EXPORT_SYMBOL(__lshrdi3); diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 3f6b507970eb..bf9f192c826e 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -39,7 +39,7 @@ static struct proc_dir_entry * proc_gsc_root __read_mostly = NULL; static unsigned long pcxl_used_bytes __read_mostly; static unsigned long pcxl_used_pages __read_mostly; -extern unsigned long pcxl_dma_start; /* Start of pcxl dma mapping area */ +unsigned long pcxl_dma_start __ro_after_init; /* pcxl dma mapping area start */ static DEFINE_SPINLOCK(pcxl_res_lock); static char *pcxl_res_map; static int pcxl_res_hint; @@ -381,7 +381,7 @@ pcxl_dma_init(void) pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL, get_order(pcxl_res_size)); memset(pcxl_res_map, 0, pcxl_res_size); - proc_gsc_root = proc_mkdir("gsc", NULL); + proc_gsc_root = proc_mkdir("bus/gsc", NULL); if (!proc_gsc_root) printk(KERN_WARNING "pcxl_dma_init: Unable to create gsc /proc dir entry\n"); diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c index 0d24735bd918..0f9b3b5914cf 100644 --- a/arch/parisc/kernel/pdt.c +++ b/arch/parisc/kernel/pdt.c @@ -354,10 +354,8 @@ static int __init pdt_initcall(void) return -ENODEV; kpdtd_task = kthread_run(pdt_mainloop, NULL, "kpdtd"); - if (IS_ERR(kpdtd_task)) - return PTR_ERR(kpdtd_task); - return 0; + return PTR_ERR_OR_ZERO(kpdtd_task); } late_initcall(pdt_initcall); diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index 90b04d8af212..b0f0816879df 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -57,7 +57,7 @@ struct rdr_tbl_ent { static int perf_processor_interface __read_mostly = UNKNOWN_INTF; static int perf_enabled __read_mostly; static DEFINE_SPINLOCK(perf_lock); -struct parisc_device *cpu_device __read_mostly; +static struct parisc_device *cpu_device __read_mostly; /* RDRs to write for PCX-W */ static const int perf_rdrs_W[] = diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 00b0df97afb1..762289b9984e 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -26,6 +26,7 @@ #include <asm/processor.h> #include <asm/page.h> #include <asm/pdc.h> +#include <asm/smp.h> #include <asm/pdcpat.h> #include <asm/irq.h> /* for struct irq_region */ #include <asm/parisc-device.h> diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 573f8303e2b0..211a4afdd282 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -40,11 +40,6 @@ static char __initdata command_line[COMMAND_LINE_SIZE]; -/* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */ -struct proc_dir_entry * proc_runway_root __read_mostly = NULL; -struct proc_dir_entry * proc_gsc_root __read_mostly = NULL; -struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL; - static void __init setup_cmdline(char **cmdline_p) { extern unsigned int boot_args[]; @@ -196,48 +191,6 @@ const struct seq_operations cpuinfo_op = { .show = show_cpuinfo }; -static void __init parisc_proc_mkdir(void) -{ - /* - ** Can't call proc_mkdir() until after proc_root_init() has been - ** called by start_kernel(). In other words, this code can't - ** live in arch/.../setup.c because start_parisc() calls - ** start_kernel(). - */ - switch (boot_cpu_data.cpu_type) { - case pcxl: - case pcxl2: - if (NULL == proc_gsc_root) - { - proc_gsc_root = proc_mkdir("bus/gsc", NULL); - } - break; - case pcxt_: - case pcxu: - case pcxu_: - case pcxw: - case pcxw_: - case pcxw2: - if (NULL == proc_runway_root) - { - proc_runway_root = proc_mkdir("bus/runway", NULL); - } - break; - case mako: - case mako2: - if (NULL == proc_mckinley_root) - { - proc_mckinley_root = proc_mkdir("bus/mckinley", NULL); - } - break; - default: - /* FIXME: this was added to prevent the compiler - * complaining about missing pcx, pcxs and pcxt - * I'm assuming they have neither gsc nor runway */ - break; - } -} - static struct resource central_bus = { .name = "Central Bus", .start = F_EXTEND(0xfff80000), @@ -294,7 +247,6 @@ static int __init parisc_init(void) { u32 osid = (OS_ID_LINUX << 16); - parisc_proc_mkdir(); parisc_init_resources(); do_device_inventory(); /* probe for hardware */ diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index f886ff0c75df..e8d27def6c52 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -423,7 +423,7 @@ static void check_syscallno_in_delay_branch(struct pt_regs *regs) regs->gr[31] -= 8; /* delayed branching */ /* Get assembler opcode of code in delay branch */ - uaddr = (unsigned int *) ((regs->gr[31] & ~3) + 4); + uaddr = (u32 __user *) ((regs->gr[31] & ~3) + 4); err = get_user(opcode, uaddr); if (err) return; diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index ca2d537e25b1..9915062d5243 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -27,17 +27,12 @@ #include <linux/elf-randomize.h> /* - * Construct an artificial page offset for the mapping based on the virtual + * Construct an artificial page offset for the mapping based on the physical * address of the kernel file mapping variable. - * If filp is zero the calculated pgoff value aliases the memory of the given - * address. This is useful for io_uring where the mapping shall alias a kernel - * address and a userspace adress where both the kernel and the userspace - * access the same memory region. */ -#define GET_FILP_PGOFF(filp, addr) \ - ((filp ? (((unsigned long) filp->f_mapping) >> 8) \ - & ((SHM_COLOUR-1) >> PAGE_SHIFT) : 0UL) \ - + (addr >> PAGE_SHIFT)) +#define GET_FILP_PGOFF(filp) \ + (filp ? (((unsigned long) filp->f_mapping) >> 8) \ + & ((SHM_COLOUR-1) >> PAGE_SHIFT) : 0UL) static unsigned long shared_align_offset(unsigned long filp_pgoff, unsigned long pgoff) @@ -117,7 +112,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, do_color_align = 0; if (filp || (flags & MAP_SHARED)) do_color_align = 1; - filp_pgoff = GET_FILP_PGOFF(filp, addr); + filp_pgoff = GET_FILP_PGOFF(filp); if (flags & MAP_FIXED) { /* Even MAP_FIXED mappings must reside within TASK_SIZE */ diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 1373e5129868..1f51aa9c8230 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -39,6 +39,7 @@ registers). #include <asm/assembly.h> #include <asm/processor.h> #include <asm/cache.h> +#include <asm/spinlock_types.h> #include <linux/linkage.h> @@ -66,6 +67,16 @@ registers). stw \reg1, 0(%sr2,\reg2) .endm + /* raise exception if spinlock content is not zero or + * __ARCH_SPIN_LOCK_UNLOCKED_VAL */ + .macro spinlock_check spin_val,tmpreg +#ifdef CONFIG_LIGHTWEIGHT_SPINLOCK_CHECK + ldi __ARCH_SPIN_LOCK_UNLOCKED_VAL, \tmpreg + andcm,= \spin_val, \tmpreg, %r0 + .word SPINLOCK_BREAK_INSN +#endif + .endm + .text .import syscall_exit,code @@ -508,7 +519,8 @@ lws_start: lws_exit_noerror: lws_pagefault_enable %r1,%r21 - stw,ma %r20, 0(%sr2,%r20) + ldi __ARCH_SPIN_LOCK_UNLOCKED_VAL, %r21 + stw,ma %r21, 0(%sr2,%r20) ssm PSW_SM_I, %r0 b lws_exit copy %r0, %r21 @@ -521,7 +533,8 @@ lws_wouldblock: lws_pagefault: lws_pagefault_enable %r1,%r21 - stw,ma %r20, 0(%sr2,%r20) + ldi __ARCH_SPIN_LOCK_UNLOCKED_VAL, %r21 + stw,ma %r21, 0(%sr2,%r20) ssm PSW_SM_I, %r0 ldo 3(%r0),%r28 b lws_exit @@ -619,6 +632,7 @@ lws_compare_and_swap: /* Try to acquire the lock */ LDCW 0(%sr2,%r20), %r28 + spinlock_check %r28, %r21 comclr,<> %r0, %r28, %r0 b,n lws_wouldblock @@ -772,6 +786,7 @@ cas2_lock_start: /* Try to acquire the lock */ LDCW 0(%sr2,%r20), %r28 + spinlock_check %r28, %r21 comclr,<> %r0, %r28, %r0 b,n lws_wouldblock @@ -1001,6 +1016,7 @@ atomic_xchg_start: /* Try to acquire the lock */ LDCW 0(%sr2,%r20), %r28 + spinlock_check %r28, %r21 comclr,<> %r0, %r28, %r0 b,n lws_wouldblock @@ -1199,6 +1215,7 @@ atomic_store_start: /* Try to acquire the lock */ LDCW 0(%sr2,%r20), %r28 + spinlock_check %r28, %r21 comclr,<> %r0, %r28, %r0 b,n lws_wouldblock @@ -1330,7 +1347,7 @@ ENTRY(lws_lock_start) /* lws locks */ .rept 256 /* Keep locks aligned at 16-bytes */ - .word 1 + .word __ARCH_SPIN_LOCK_UNLOCKED_VAL .word 0 .word 0 .word 0 diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index a0a9145b6dd4..e97c175b56f9 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -450,3 +450,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c index 813062701922..170d0dda4213 100644 --- a/arch/parisc/kernel/unaligned.c +++ b/arch/parisc/kernel/unaligned.c @@ -11,6 +11,7 @@ #include <linux/signal.h> #include <linux/ratelimit.h> #include <linux/uaccess.h> +#include <linux/sysctl.h> #include <asm/unaligned.h> #include <asm/hardirq.h> #include <asm/traps.h> diff --git a/arch/parisc/lib/ucmpdi2.c b/arch/parisc/lib/ucmpdi2.c index 8e6014a142ef..9d8b4dbae273 100644 --- a/arch/parisc/lib/ucmpdi2.c +++ b/arch/parisc/lib/ucmpdi2.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> +#include <linux/libgcc.h> union ull_union { unsigned long long ull; @@ -9,7 +10,7 @@ union ull_union { } ui; }; -int __ucmpdi2(unsigned long long a, unsigned long long b) +word_type __ucmpdi2(unsigned long long a, unsigned long long b) { union ull_union au = {.ull = a}; union ull_union bu = {.ull = b}; diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index a4c7c7630f48..2fe5b44986e0 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -192,31 +192,31 @@ int fixup_exception(struct pt_regs *regs) * For implementation see handle_interruption() in traps.c */ static const char * const trap_description[] = { - [1] "High-priority machine check (HPMC)", - [2] "Power failure interrupt", - [3] "Recovery counter trap", - [5] "Low-priority machine check", - [6] "Instruction TLB miss fault", - [7] "Instruction access rights / protection trap", - [8] "Illegal instruction trap", - [9] "Break instruction trap", - [10] "Privileged operation trap", - [11] "Privileged register trap", - [12] "Overflow trap", - [13] "Conditional trap", - [14] "FP Assist Exception trap", - [15] "Data TLB miss fault", - [16] "Non-access ITLB miss fault", - [17] "Non-access DTLB miss fault", - [18] "Data memory protection/unaligned access trap", - [19] "Data memory break trap", - [20] "TLB dirty bit trap", - [21] "Page reference trap", - [22] "Assist emulation trap", - [25] "Taken branch trap", - [26] "Data memory access rights trap", - [27] "Data memory protection ID trap", - [28] "Unaligned data reference trap", + [1] = "High-priority machine check (HPMC)", + [2] = "Power failure interrupt", + [3] = "Recovery counter trap", + [5] = "Low-priority machine check", + [6] = "Instruction TLB miss fault", + [7] = "Instruction access rights / protection trap", + [8] = "Illegal instruction trap", + [9] = "Break instruction trap", + [10] = "Privileged operation trap", + [11] = "Privileged register trap", + [12] = "Overflow trap", + [13] = "Conditional trap", + [14] = "FP Assist Exception trap", + [15] = "Data TLB miss fault", + [16] = "Non-access ITLB miss fault", + [17] = "Non-access DTLB miss fault", + [18] = "Data memory protection/unaligned access trap", + [19] = "Data memory break trap", + [20] = "TLB dirty bit trap", + [21] = "Page reference trap", + [22] = "Assist emulation trap", + [25] = "Taken branch trap", + [26] = "Data memory access rights trap", + [27] = "Data memory protection ID trap", + [28] = "Unaligned data reference trap", }; const char *trap_name(unsigned long code) diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 389941c7f209..a088c243edea 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -523,10 +523,6 @@ void mark_rodata_ro(void) void *parisc_vmalloc_start __ro_after_init; EXPORT_SYMBOL(parisc_vmalloc_start); -#ifdef CONFIG_PA11 -unsigned long pcxl_dma_start __ro_after_init; -#endif - void __init mem_init(void) { /* Do sanity checks on IPC (compat) structures */ diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c index 345ff0b66499..d7ee1f43d997 100644 --- a/arch/parisc/mm/ioremap.c +++ b/arch/parisc/mm/ioremap.c @@ -27,7 +27,7 @@ */ void __iomem *ioremap(unsigned long phys_addr, unsigned long size) { - void __iomem *addr; + uintptr_t addr; struct vm_struct *area; unsigned long offset, last_addr; pgprot_t pgprot; @@ -79,10 +79,9 @@ void __iomem *ioremap(unsigned long phys_addr, unsigned long size) if (!area) return NULL; - addr = (void __iomem *) area->addr; - if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, - phys_addr, pgprot)) { - vunmap(addr); + addr = (uintptr_t) area->addr; + if (ioremap_page_range(addr, addr + size, phys_addr, pgprot)) { + vunmap(area->addr); return NULL; } diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 8a6754ffdc7e..a6c7069bec5d 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -393,7 +393,6 @@ int validate_sp_size(unsigned long sp, struct task_struct *p, */ #define ARCH_HAS_PREFETCH #define ARCH_HAS_PREFETCHW -#define ARCH_HAS_SPINLOCK_PREFETCH static inline void prefetch(const void *x) { @@ -411,8 +410,6 @@ static inline void prefetchw(const void *x) __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x)); } -#define spin_lock_prefetch(x) prefetchw(x) - /* asm stubs */ extern unsigned long isa300_idle_stop_noloss(unsigned long psscr_val); extern unsigned long isa300_idle_stop_mayloss(unsigned long psscr_val); diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 4caf5e3079eb..359577ec1680 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -709,9 +709,9 @@ static int __init rtas_flash_init(void) if (!rtas_validate_flash_data.buf) return -ENOMEM; - flash_block_cache = kmem_cache_create("rtas_flash_cache", - RTAS_BLK_SIZE, RTAS_BLK_SIZE, 0, - NULL); + flash_block_cache = kmem_cache_create_usercopy("rtas_flash_cache", + RTAS_BLK_SIZE, RTAS_BLK_SIZE, + 0, 0, RTAS_BLK_SIZE, NULL); if (!flash_block_cache) { printk(KERN_ERR "%s: failed to create block cache\n", __func__); diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 8c0b08b7a80e..20e50586e8a2 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -538,3 +538,4 @@ 449 common futex_waitv sys_futex_waitv 450 nospu set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/powerpc/mm/book3s64/subpage_prot.c b/arch/powerpc/mm/book3s64/subpage_prot.c index 0dc85556dec5..ec98e526167e 100644 --- a/arch/powerpc/mm/book3s64/subpage_prot.c +++ b/arch/powerpc/mm/book3s64/subpage_prot.c @@ -145,6 +145,7 @@ static int subpage_walk_pmd_entry(pmd_t *pmd, unsigned long addr, static const struct mm_walk_ops subpage_walk_ops = { .pmd_entry = subpage_walk_pmd_entry, + .walk_lock = PGWALK_WRLOCK_VERIFY, }; static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr, diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index ea807aa0c31a..38c5be34c895 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -86,7 +86,7 @@ spufs_new_inode(struct super_block *sb, umode_t mode) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); out: return inode; } diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 4c07b9189c86..bea7b73e895d 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -570,24 +570,30 @@ config TOOLCHAIN_HAS_ZIHINTPAUSE config TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI def_bool y # https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=aed44286efa8ae8717a77d94b51ac3614e2ca6dc - depends on AS_IS_GNU && AS_VERSION >= 23800 - help - Newer binutils versions default to ISA spec version 20191213 which - moves some instructions from the I extension to the Zicsr and Zifencei - extensions. + # https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=98416dbb0a62579d4a7a4a76bab51b5b52fec2cd + depends on AS_IS_GNU && AS_VERSION >= 23600 + help + Binutils-2.38 and GCC-12.1.0 bumped the default ISA spec to the newer + 20191213 version, which moves some instructions from the I extension to + the Zicsr and Zifencei extensions. This requires explicitly specifying + Zicsr and Zifencei when binutils >= 2.38 or GCC >= 12.1.0. Zicsr + and Zifencei are supported in binutils from version 2.36 onwards. + To make life easier, and avoid forcing toolchains that default to a + newer ISA spec to version 2.2, relax the check to binutils >= 2.36. + For clang < 17 or GCC < 11.3.0, for which this is not possible or need + special treatment, this is dealt with in TOOLCHAIN_NEEDS_OLD_ISA_SPEC. config TOOLCHAIN_NEEDS_OLD_ISA_SPEC def_bool y depends on TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI # https://github.com/llvm/llvm-project/commit/22e199e6afb1263c943c0c0d4498694e15bf8a16 - depends on CC_IS_CLANG && CLANG_VERSION < 170000 - help - Certain versions of clang do not support zicsr and zifencei via -march - but newer versions of binutils require it for the reasons noted in the - help text of CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI. This - option causes an older ISA spec compatible with these older versions - of clang to be passed to GAS, which has the same result as passing zicsr - and zifencei to -march. + # https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=d29f5d6ab513c52fd872f532c492e35ae9fd6671 + depends on (CC_IS_CLANG && CLANG_VERSION < 170000) || (CC_IS_GCC && GCC_VERSION < 110300) + help + Certain versions of clang and GCC do not support zicsr and zifencei via + -march. This option causes an older ISA spec compatible with these older + versions of clang and GCC to be passed to GAS, which has the same result + as passing zicsr and zifencei to -march. config FPU bool "FPU support" diff --git a/arch/riscv/include/asm/cacheflush.h b/arch/riscv/include/asm/cacheflush.h index 8091b8bf4883..b93ffddf8a61 100644 --- a/arch/riscv/include/asm/cacheflush.h +++ b/arch/riscv/include/asm/cacheflush.h @@ -37,6 +37,10 @@ static inline void flush_dcache_page(struct page *page) #define flush_icache_user_page(vma, pg, addr, len) \ flush_icache_mm(vma->vm_mm, 0) +#ifdef CONFIG_64BIT +#define flush_cache_vmap(start, end) flush_tlb_kernel_range(start, end) +#endif + #ifndef CONFIG_SMP #define flush_icache_all() local_flush_icache_all() diff --git a/arch/riscv/include/asm/insn.h b/arch/riscv/include/asm/insn.h index 4e1505cef8aa..fce00400c9bc 100644 --- a/arch/riscv/include/asm/insn.h +++ b/arch/riscv/include/asm/insn.h @@ -110,6 +110,7 @@ #define RVC_INSN_FUNCT4_OPOFF 12 #define RVC_INSN_FUNCT3_MASK GENMASK(15, 13) #define RVC_INSN_FUNCT3_OPOFF 13 +#define RVC_INSN_J_RS1_MASK GENMASK(11, 7) #define RVC_INSN_J_RS2_MASK GENMASK(6, 2) #define RVC_INSN_OPCODE_MASK GENMASK(1, 0) #define RVC_ENCODE_FUNCT3(f_) (RVC_FUNCT3_##f_ << RVC_INSN_FUNCT3_OPOFF) @@ -245,8 +246,6 @@ __RISCV_INSN_FUNCS(c_jal, RVC_MASK_C_JAL, RVC_MATCH_C_JAL) __RISCV_INSN_FUNCS(auipc, RVG_MASK_AUIPC, RVG_MATCH_AUIPC) __RISCV_INSN_FUNCS(jalr, RVG_MASK_JALR, RVG_MATCH_JALR) __RISCV_INSN_FUNCS(jal, RVG_MASK_JAL, RVG_MATCH_JAL) -__RISCV_INSN_FUNCS(c_jr, RVC_MASK_C_JR, RVC_MATCH_C_JR) -__RISCV_INSN_FUNCS(c_jalr, RVC_MASK_C_JALR, RVC_MATCH_C_JALR) __RISCV_INSN_FUNCS(c_j, RVC_MASK_C_J, RVC_MATCH_C_J) __RISCV_INSN_FUNCS(beq, RVG_MASK_BEQ, RVG_MATCH_BEQ) __RISCV_INSN_FUNCS(bne, RVG_MASK_BNE, RVG_MATCH_BNE) @@ -273,6 +272,18 @@ static __always_inline bool riscv_insn_is_branch(u32 code) return (code & RV_INSN_OPCODE_MASK) == RVG_OPCODE_BRANCH; } +static __always_inline bool riscv_insn_is_c_jr(u32 code) +{ + return (code & RVC_MASK_C_JR) == RVC_MATCH_C_JR && + (code & RVC_INSN_J_RS1_MASK) != 0; +} + +static __always_inline bool riscv_insn_is_c_jalr(u32 code) +{ + return (code & RVC_MASK_C_JALR) == RVC_MATCH_C_JALR && + (code & RVC_INSN_J_RS1_MASK) != 0; +} + #define RV_IMM_SIGN(x) (-(((x) >> 31) & 1)) #define RVC_IMM_SIGN(x) (-(((x) >> 12) & 1)) #define RV_X(X, s, mask) (((X) >> (s)) & (mask)) diff --git a/arch/riscv/include/asm/mmio.h b/arch/riscv/include/asm/mmio.h index aff6c33ab0c0..4c58ee7f95ec 100644 --- a/arch/riscv/include/asm/mmio.h +++ b/arch/riscv/include/asm/mmio.h @@ -101,9 +101,9 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) * Relaxed I/O memory access primitives. These follow the Device memory * ordering rules but do not guarantee any ordering relative to Normal memory * accesses. These are defined to order the indicated access (either a read or - * write) with all other I/O memory accesses. Since the platform specification - * defines that all I/O regions are strongly ordered on channel 2, no explicit - * fences are required to enforce this ordering. + * write) with all other I/O memory accesses to the same peripheral. Since the + * platform specification defines that all I/O regions are strongly ordered on + * channel 0, no explicit fences are required to enforce this ordering. */ /* FIXME: These are now the same as asm-generic */ #define __io_rbr() do {} while (0) @@ -125,14 +125,14 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) #endif /* - * I/O memory access primitives. Reads are ordered relative to any - * following Normal memory access. Writes are ordered relative to any prior - * Normal memory access. The memory barriers here are necessary as RISC-V + * I/O memory access primitives. Reads are ordered relative to any following + * Normal memory read and delay() loop. Writes are ordered relative to any + * prior Normal memory write. The memory barriers here are necessary as RISC-V * doesn't define any ordering between the memory space and the I/O space. */ #define __io_br() do {} while (0) -#define __io_ar(v) __asm__ __volatile__ ("fence i,r" : : : "memory") -#define __io_bw() __asm__ __volatile__ ("fence w,o" : : : "memory") +#define __io_ar(v) ({ __asm__ __volatile__ ("fence i,ir" : : : "memory"); }) +#define __io_bw() ({ __asm__ __volatile__ ("fence w,o" : : : "memory"); }) #define __io_aw() mmiowb_set_pending() #define readb(c) ({ u8 __v; __io_br(); __v = readb_cpu(c); __io_ar(__v); __v; }) diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 75970ee2bda2..b5680c940c1e 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -188,6 +188,8 @@ extern struct pt_alloc_ops pt_ops __initdata; #define PAGE_KERNEL_IO __pgprot(_PAGE_IOREMAP) extern pgd_t swapper_pg_dir[]; +extern pgd_t trampoline_pg_dir[]; +extern pgd_t early_pg_dir[]; #ifdef CONFIG_TRANSPARENT_HUGEPAGE static inline int pmd_present(pmd_t pmd) diff --git a/arch/riscv/include/asm/vector.h b/arch/riscv/include/asm/vector.h index 3d78930cab51..c5ee07b3df07 100644 --- a/arch/riscv/include/asm/vector.h +++ b/arch/riscv/include/asm/vector.h @@ -70,8 +70,9 @@ static __always_inline void __vstate_csr_save(struct __riscv_v_ext_state *dest) "csrr %1, " __stringify(CSR_VTYPE) "\n\t" "csrr %2, " __stringify(CSR_VL) "\n\t" "csrr %3, " __stringify(CSR_VCSR) "\n\t" + "csrr %4, " __stringify(CSR_VLENB) "\n\t" : "=r" (dest->vstart), "=r" (dest->vtype), "=r" (dest->vl), - "=r" (dest->vcsr) : :); + "=r" (dest->vcsr), "=r" (dest->vlenb) : :); } static __always_inline void __vstate_csr_restore(struct __riscv_v_ext_state *src) diff --git a/arch/riscv/include/asm/vmalloc.h b/arch/riscv/include/asm/vmalloc.h index 58d3e447f191..924d01b56c9a 100644 --- a/arch/riscv/include/asm/vmalloc.h +++ b/arch/riscv/include/asm/vmalloc.h @@ -3,12 +3,14 @@ #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP +extern bool pgtable_l4_enabled, pgtable_l5_enabled; + #define IOREMAP_MAX_ORDER (PUD_SHIFT) #define arch_vmap_pud_supported arch_vmap_pud_supported static inline bool arch_vmap_pud_supported(pgprot_t prot) { - return true; + return pgtable_l4_enabled || pgtable_l5_enabled; } #define arch_vmap_pmd_supported arch_vmap_pmd_supported diff --git a/arch/riscv/include/uapi/asm/bitsperlong.h b/arch/riscv/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..7d0b32e3b701 --- /dev/null +++ b/arch/riscv/include/uapi/asm/bitsperlong.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ +/* + * Copyright (C) 2012 ARM Ltd. + * Copyright (C) 2015 Regents of the University of California + */ + +#ifndef _UAPI_ASM_RISCV_BITSPERLONG_H +#define _UAPI_ASM_RISCV_BITSPERLONG_H + +#define __BITS_PER_LONG (__SIZEOF_POINTER__ * 8) + +#include <asm-generic/bitsperlong.h> + +#endif /* _UAPI_ASM_RISCV_BITSPERLONG_H */ diff --git a/arch/riscv/include/uapi/asm/ptrace.h b/arch/riscv/include/uapi/asm/ptrace.h index e17c550986a6..283800130614 100644 --- a/arch/riscv/include/uapi/asm/ptrace.h +++ b/arch/riscv/include/uapi/asm/ptrace.h @@ -97,6 +97,7 @@ struct __riscv_v_ext_state { unsigned long vl; unsigned long vtype; unsigned long vcsr; + unsigned long vlenb; void *datap; /* * In signal handler, datap will be set a correct user stack offset diff --git a/arch/riscv/kernel/compat_vdso/Makefile b/arch/riscv/kernel/compat_vdso/Makefile index 189345773e7e..b86e5e2c3aea 100644 --- a/arch/riscv/kernel/compat_vdso/Makefile +++ b/arch/riscv/kernel/compat_vdso/Makefile @@ -11,7 +11,13 @@ compat_vdso-syms += flush_icache COMPAT_CC := $(CC) COMPAT_LD := $(LD) -COMPAT_CC_FLAGS := -march=rv32g -mabi=ilp32 +# binutils 2.35 does not support the zifencei extension, but in the ISA +# spec 20191213, G stands for IMAFD_ZICSR_ZIFENCEI. +ifdef CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI + COMPAT_CC_FLAGS := -march=rv32g -mabi=ilp32 +else + COMPAT_CC_FLAGS := -march=rv32imafd -mabi=ilp32 +endif COMPAT_LD_FLAGS := -melf32lriscv # Disable attributes, as they're useless and break the build. diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index a2fc952318e9..35b854cf078e 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -17,6 +17,11 @@ #include <asm/smp.h> #include <asm/pgtable.h> +bool arch_match_cpu_phys_id(int cpu, u64 phys_id) +{ + return phys_id == cpuid_to_hartid_map(cpu); +} + /* * Returns the hart ID of the given device tree node, or -ENODEV if the node * isn't an enabled and valid RISC-V hart node. diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c index 5372b708fae2..c08bb5c3b385 100644 --- a/arch/riscv/kernel/elf_kexec.c +++ b/arch/riscv/kernel/elf_kexec.c @@ -281,7 +281,7 @@ static void *elf_kexec_load(struct kimage *image, char *kernel_buf, kbuf.buffer = initrd; kbuf.bufsz = kbuf.memsz = initrd_len; kbuf.buf_align = PAGE_SIZE; - kbuf.top_down = false; + kbuf.top_down = true; kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; ret = kexec_add_buffer(&kbuf); if (ret) @@ -425,6 +425,7 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi, * sym, instead of searching the whole relsec. */ case R_RISCV_PCREL_HI20: + case R_RISCV_CALL_PLT: case R_RISCV_CALL: *(u64 *)loc = CLEAN_IMM(UITYPE, *(u64 *)loc) | ENCODE_UJTYPE_IMM(val - addr); diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c index d0577cc6a081..a8efa053c4a5 100644 --- a/arch/riscv/kernel/irq.c +++ b/arch/riscv/kernel/irq.c @@ -84,6 +84,9 @@ void do_softirq_own_stack(void) : [sp] "r" (sp) : "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", "t4", "t5", "t6", +#ifndef CONFIG_FRAME_POINTER + "s0", +#endif "memory"); } else #endif diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c index 1d572cf3140f..487303e3ef22 100644 --- a/arch/riscv/kernel/ptrace.c +++ b/arch/riscv/kernel/ptrace.c @@ -25,9 +25,6 @@ enum riscv_regset { #ifdef CONFIG_FPU REGSET_F, #endif -#ifdef CONFIG_RISCV_ISA_V - REGSET_V, -#endif }; static int riscv_gpr_get(struct task_struct *target, @@ -84,61 +81,6 @@ static int riscv_fpr_set(struct task_struct *target, } #endif -#ifdef CONFIG_RISCV_ISA_V -static int riscv_vr_get(struct task_struct *target, - const struct user_regset *regset, - struct membuf to) -{ - struct __riscv_v_ext_state *vstate = &target->thread.vstate; - - if (!riscv_v_vstate_query(task_pt_regs(target))) - return -EINVAL; - - /* - * Ensure the vector registers have been saved to the memory before - * copying them to membuf. - */ - if (target == current) - riscv_v_vstate_save(current, task_pt_regs(current)); - - /* Copy vector header from vstate. */ - membuf_write(&to, vstate, offsetof(struct __riscv_v_ext_state, datap)); - membuf_zero(&to, sizeof(vstate->datap)); - - /* Copy all the vector registers from vstate. */ - return membuf_write(&to, vstate->datap, riscv_v_vsize); -} - -static int riscv_vr_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - int ret, size; - struct __riscv_v_ext_state *vstate = &target->thread.vstate; - - if (!riscv_v_vstate_query(task_pt_regs(target))) - return -EINVAL; - - /* Copy rest of the vstate except datap */ - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, vstate, 0, - offsetof(struct __riscv_v_ext_state, datap)); - if (unlikely(ret)) - return ret; - - /* Skip copy datap. */ - size = sizeof(vstate->datap); - count -= size; - ubuf += size; - - /* Copy all the vector registers. */ - pos = 0; - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, vstate->datap, - 0, riscv_v_vsize); - return ret; -} -#endif - static const struct user_regset riscv_user_regset[] = { [REGSET_X] = { .core_note_type = NT_PRSTATUS, @@ -158,17 +100,6 @@ static const struct user_regset riscv_user_regset[] = { .set = riscv_fpr_set, }, #endif -#ifdef CONFIG_RISCV_ISA_V - [REGSET_V] = { - .core_note_type = NT_RISCV_VECTOR, - .align = 16, - .n = ((32 * RISCV_MAX_VLENB) + - sizeof(struct __riscv_v_ext_state)) / sizeof(__u32), - .size = sizeof(__u32), - .regset_get = riscv_vr_get, - .set = riscv_vr_set, - }, -#endif }; static const struct user_regset_view riscv_user_native_view = { diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c index 85bbce0f758c..40420afbb1a0 100644 --- a/arch/riscv/kernel/smp.c +++ b/arch/riscv/kernel/smp.c @@ -61,11 +61,6 @@ int riscv_hartid_to_cpuid(unsigned long hartid) return -ENOENT; } -bool arch_match_cpu_phys_id(int cpu, u64 phys_id) -{ - return phys_id == cpuid_to_hartid_map(cpu); -} - static void ipi_stop(void) { set_cpu_online(smp_processor_id(), false); diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index f910dfccbf5d..f798c853bede 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -297,7 +297,7 @@ asmlinkage __visible __trap_section void do_trap_break(struct pt_regs *regs) asmlinkage __visible __trap_section void do_trap_ecall_u(struct pt_regs *regs) { if (user_mode(regs)) { - ulong syscall = regs->a7; + long syscall = regs->a7; regs->epc += 4; regs->orig_a0 = regs->a0; @@ -306,9 +306,9 @@ asmlinkage __visible __trap_section void do_trap_ecall_u(struct pt_regs *regs) syscall = syscall_enter_from_user_mode(regs, syscall); - if (syscall < NR_syscalls) + if (syscall >= 0 && syscall < NR_syscalls) syscall_handler(regs, syscall); - else + else if (syscall != -1) regs->a0 = -ENOSYS; syscall_exit_to_user_mode(regs); @@ -372,6 +372,9 @@ asmlinkage void noinstr do_irq(struct pt_regs *regs) : [sp] "r" (sp), [regs] "r" (regs) : "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", "t4", "t5", "t6", +#ifndef CONFIG_FRAME_POINTER + "s0", +#endif "memory"); } else #endif diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S index ec486e5369d9..09b47ebacf2e 100644 --- a/arch/riscv/lib/uaccess.S +++ b/arch/riscv/lib/uaccess.S @@ -17,8 +17,11 @@ ENTRY(__asm_copy_from_user) li t6, SR_SUM csrs CSR_STATUS, t6 - /* Save for return value */ - mv t5, a2 + /* + * Save the terminal address which will be used to compute the number + * of bytes copied in case of a fixup exception. + */ + add t5, a0, a2 /* * Register allocation for code below: @@ -176,7 +179,7 @@ ENTRY(__asm_copy_from_user) 10: /* Disable access to user memory */ csrc CSR_STATUS, t6 - mv a0, t5 + sub a0, t5, a0 ret ENDPROC(__asm_copy_to_user) ENDPROC(__asm_copy_from_user) @@ -228,7 +231,7 @@ ENTRY(__clear_user) 11: /* Disable access to user memory */ csrc CSR_STATUS, t6 - mv a0, a1 + sub a0, a3, a0 ret ENDPROC(__clear_user) EXPORT_SYMBOL(__clear_user) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 9ce504737d18..e4c35ac2357f 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -26,12 +26,13 @@ #include <linux/kfence.h> #include <asm/fixmap.h> -#include <asm/tlbflush.h> -#include <asm/sections.h> -#include <asm/soc.h> #include <asm/io.h> -#include <asm/ptdump.h> #include <asm/numa.h> +#include <asm/pgtable.h> +#include <asm/ptdump.h> +#include <asm/sections.h> +#include <asm/soc.h> +#include <asm/tlbflush.h> #include "../kernel/head.h" @@ -214,8 +215,13 @@ static void __init setup_bootmem(void) memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start); phys_ram_end = memblock_end_of_DRAM(); + + /* + * Make sure we align the start of the memory on a PMD boundary so that + * at worst, we map the linear mapping with PMD mappings. + */ if (!IS_ENABLED(CONFIG_XIP_KERNEL)) - phys_ram_base = memblock_start_of_DRAM(); + phys_ram_base = memblock_start_of_DRAM() & PMD_MASK; /* * In 64-bit, any use of __va/__pa before this point is wrong as we diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index 8fc0efcf905c..a01bc15dce24 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -22,7 +22,6 @@ * region is not and then we have to go down to the PUD level. */ -extern pgd_t early_pg_dir[PTRS_PER_PGD]; pgd_t tmp_pg_dir[PTRS_PER_PGD] __page_aligned_bss; p4d_t tmp_p4d[PTRS_PER_P4D] __page_aligned_bss; pud_t tmp_pud[PTRS_PER_PUD] __page_aligned_bss; diff --git a/arch/riscv/mm/pageattr.c b/arch/riscv/mm/pageattr.c index ea3d61de065b..161d0b34c2cb 100644 --- a/arch/riscv/mm/pageattr.c +++ b/arch/riscv/mm/pageattr.c @@ -102,6 +102,7 @@ static const struct mm_walk_ops pageattr_ops = { .pmd_entry = pageattr_pmd_entry, .pte_entry = pageattr_pte_entry, .pte_hole = pageattr_pte_hole, + .walk_lock = PGWALK_RDLOCK, }; static int __set_memory(unsigned long addr, int numpages, pgprot_t set_mask, diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index ee919bfc8186..5feef8da406b 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -53,7 +53,7 @@ static void hypfs_update_update(struct super_block *sb) struct inode *inode = d_inode(sb_info->update_file); sb_info->last_update = ktime_get_seconds(); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } /* directory tree removal functions */ @@ -101,7 +101,7 @@ static struct inode *hypfs_make_inode(struct super_block *sb, umode_t mode) ret->i_mode = mode; ret->i_uid = hypfs_info->uid; ret->i_gid = hypfs_info->gid; - ret->i_atime = ret->i_mtime = ret->i_ctime = current_time(ret); + ret->i_atime = ret->i_mtime = inode_set_ctime_current(ret); if (S_ISDIR(mode)) set_nlink(ret, 2); } diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index a6935af2235c..0122cc156952 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -454,3 +454,4 @@ 449 common futex_waitv sys_futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 sys_fchmodat2 diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index 9c8af31be970..906a7bfc2a78 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -2514,6 +2514,7 @@ static int thp_split_walk_pmd_entry(pmd_t *pmd, unsigned long addr, static const struct mm_walk_ops thp_split_walk_ops = { .pmd_entry = thp_split_walk_pmd_entry, + .walk_lock = PGWALK_WRLOCK_VERIFY, }; static inline void thp_split_mm(struct mm_struct *mm) @@ -2565,6 +2566,7 @@ static int __zap_zero_pages(pmd_t *pmd, unsigned long start, static const struct mm_walk_ops zap_zero_walk_ops = { .pmd_entry = __zap_zero_pages, + .walk_lock = PGWALK_WRLOCK, }; /* @@ -2655,6 +2657,7 @@ static const struct mm_walk_ops enable_skey_walk_ops = { .hugetlb_entry = __s390_enable_skey_hugetlb, .pte_entry = __s390_enable_skey_pte, .pmd_entry = __s390_enable_skey_pmd, + .walk_lock = PGWALK_WRLOCK, }; int s390_enable_skey(void) @@ -2692,6 +2695,7 @@ static int __s390_reset_cmma(pte_t *pte, unsigned long addr, static const struct mm_walk_ops reset_cmma_walk_ops = { .pte_entry = __s390_reset_cmma, + .walk_lock = PGWALK_WRLOCK, }; void s390_reset_cmma(struct mm_struct *mm) @@ -2728,6 +2732,7 @@ static int s390_gather_pages(pte_t *ptep, unsigned long addr, static const struct mm_walk_ops gather_pages_ops = { .pte_entry = s390_gather_pages, + .walk_lock = PGWALK_RDLOCK, }; /* diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index 97377e8c5025..e90d585c4d3e 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -454,3 +454,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 2667f35d5ea5..0a0d5c3d184c 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -213,7 +213,6 @@ unsigned long __get_wchan(struct task_struct *task); */ #define ARCH_HAS_PREFETCH #define ARCH_HAS_PREFETCHW -#define ARCH_HAS_SPINLOCK_PREFETCH static inline void prefetch(const void *x) { @@ -239,8 +238,6 @@ static inline void prefetchw(const void *x) : "r" (x)); } -#define spin_lock_prefetch(x) prefetchw(x) - #define HAVE_ARCH_PICK_MMAP_LAYOUT int do_mathemu(struct pt_regs *regs, struct fpustate *f, bool illegal_insn_trap); diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index faa835f3c54a..4ed06c71c43f 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -497,3 +497,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7422db409770..e36261b4ea14 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2593,6 +2593,13 @@ config CPU_IBRS_ENTRY This mitigates both spectre_v2 and retbleed at great cost to performance. +config CPU_SRSO + bool "Mitigate speculative RAS overflow on AMD" + depends on CPU_SUP_AMD && X86_64 && RETHUNK + default y + help + Enable the SRSO mitigation needed on AMD Zen1-4 machines. + config SLS bool "Mitigate Straight-Line-Speculation" depends on CC_HAS_SLS && X86_64 @@ -2603,6 +2610,25 @@ config SLS against straight line speculation. The kernel image might be slightly larger. +config GDS_FORCE_MITIGATION + bool "Force GDS Mitigation" + depends on CPU_SUP_INTEL + default n + help + Gather Data Sampling (GDS) is a hardware vulnerability which allows + unprivileged speculative access to data which was previously stored in + vector registers. + + This option is equivalent to setting gather_data_sampling=force on the + command line. The microcode mitigation is used if present, otherwise + AVX is disabled as a mitigation. On affected systems that are missing + the microcode any userspace code that unconditionally uses AVX will + break with this option set. + + Setting this option on systems not vulnerable to GDS has no effect. + + If in doubt, say N. + endif config ARCH_HAS_ADD_PAGES diff --git a/arch/x86/boot/compressed/idt_64.c b/arch/x86/boot/compressed/idt_64.c index 6debb816e83d..3cdf94b41456 100644 --- a/arch/x86/boot/compressed/idt_64.c +++ b/arch/x86/boot/compressed/idt_64.c @@ -63,7 +63,14 @@ void load_stage2_idt(void) set_idt_entry(X86_TRAP_PF, boot_page_fault); #ifdef CONFIG_AMD_MEM_ENCRYPT - set_idt_entry(X86_TRAP_VC, boot_stage2_vc); + /* + * Clear the second stage #VC handler in case guest types + * needing #VC have not been detected. + */ + if (sev_status & BIT(1)) + set_idt_entry(X86_TRAP_VC, boot_stage2_vc); + else + set_idt_entry(X86_TRAP_VC, NULL); #endif load_boot_idt(&boot_idt_desc); diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 09dc8c187b3c..c3e343bd4760 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -405,12 +405,45 @@ void sev_enable(struct boot_params *bp) bp->cc_blob_address = 0; /* + * Do an initial SEV capability check before snp_init() which + * loads the CPUID page and the same checks afterwards are done + * without the hypervisor and are trustworthy. + * + * If the HV fakes SEV support, the guest will crash'n'burn + * which is good enough. + */ + + /* Check for the SME/SEV support leaf */ + eax = 0x80000000; + ecx = 0; + native_cpuid(&eax, &ebx, &ecx, &edx); + if (eax < 0x8000001f) + return; + + /* + * Check for the SME/SEV feature: + * CPUID Fn8000_001F[EAX] + * - Bit 0 - Secure Memory Encryption support + * - Bit 1 - Secure Encrypted Virtualization support + * CPUID Fn8000_001F[EBX] + * - Bits 5:0 - Pagetable bit position used to indicate encryption + */ + eax = 0x8000001f; + ecx = 0; + native_cpuid(&eax, &ebx, &ecx, &edx); + /* Check whether SEV is supported */ + if (!(eax & BIT(1))) + return; + + /* * Setup/preliminary detection of SNP. This will be sanity-checked * against CPUID/MSR values later. */ snp = snp_init(bp); - /* Check for the SME/SEV support leaf */ + /* Now repeat the checks with the SNP CPUID table. */ + + /* Recheck the SME/SEV support leaf */ eax = 0x80000000; ecx = 0; native_cpuid(&eax, &ebx, &ecx, &edx); @@ -418,7 +451,7 @@ void sev_enable(struct boot_params *bp) return; /* - * Check for the SME/SEV feature: + * Recheck for the SME/SEV feature: * CPUID Fn8000_001F[EAX] * - Bit 0 - Secure Memory Encryption support * - Bit 1 - Secure Encrypted Virtualization support diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index bc0a3c941b35..2d0b1bd866ea 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -456,3 +456,4 @@ 449 i386 futex_waitv sys_futex_waitv 450 i386 set_mempolicy_home_node sys_set_mempolicy_home_node 451 i386 cachestat sys_cachestat +452 i386 fchmodat2 sys_fchmodat2 diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 227538b0ce80..814768249eae 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -373,6 +373,7 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 # # Due to a historical design error, certain syscalls are numbered differently diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 11a5c68d1218..7645730dc228 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -299,8 +299,8 @@ static unsigned long vdso_addr(unsigned long start, unsigned len) /* Round the lowest possible end address up to a PMD boundary. */ end = (start + len + PMD_SIZE - 1) & PMD_MASK; - if (end >= TASK_SIZE_MAX) - end = TASK_SIZE_MAX; + if (end >= DEFAULT_MAP_WINDOW) + end = DEFAULT_MAP_WINDOW; end -= len; if (end > start) { diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 8eb74cf386db..2888c0ee4df0 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -15,6 +15,7 @@ #include <asm/mpspec.h> #include <asm/x86_init.h> #include <asm/cpufeature.h> +#include <asm/irq_vectors.h> #ifdef CONFIG_ACPI_APEI # include <asm/pgtable_types.h> @@ -31,6 +32,7 @@ extern int acpi_skip_timer_override; extern int acpi_use_timer_override; extern int acpi_fix_pin2_polarity; extern int acpi_disable_cmcff; +extern bool acpi_int_src_ovr[NR_IRQS_LEGACY]; extern u8 acpi_sci_flags; extern u32 acpi_sci_override_gsi; diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index cb8ca46213be..b69b0d7756aa 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -14,7 +14,7 @@ * Defines x86 CPU feature bits */ #define NCAPINTS 21 /* N 32-bit words worth of info */ -#define NBUGINTS 1 /* N 32-bit bug flags */ +#define NBUGINTS 2 /* N 32-bit bug flags */ /* * Note: If the comment begins with a quoted string, that string is used @@ -309,6 +309,10 @@ #define X86_FEATURE_SMBA (11*32+21) /* "" Slow Memory Bandwidth Allocation */ #define X86_FEATURE_BMEC (11*32+22) /* "" Bandwidth Monitoring Event Configuration */ +#define X86_FEATURE_SRSO (11*32+24) /* "" AMD BTB untrain RETs */ +#define X86_FEATURE_SRSO_ALIAS (11*32+25) /* "" AMD BTB untrain RETs through aliasing */ +#define X86_FEATURE_IBPB_ON_VMEXIT (11*32+26) /* "" Issue an IBPB only on VMEXIT */ + /* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */ #define X86_FEATURE_AVX_VNNI (12*32+ 4) /* AVX VNNI instructions */ #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* AVX512 BFLOAT16 instructions */ @@ -442,6 +446,10 @@ #define X86_FEATURE_AUTOIBRS (20*32+ 8) /* "" Automatic IBRS */ #define X86_FEATURE_NO_SMM_CTL_MSR (20*32+ 9) /* "" SMM_CTL MSR is not present */ +#define X86_FEATURE_SBPB (20*32+27) /* "" Selective Branch Prediction Barrier */ +#define X86_FEATURE_IBPB_BRTYPE (20*32+28) /* "" MSR_PRED_CMD[IBPB] flushes all branch type predictions */ +#define X86_FEATURE_SRSO_NO (20*32+29) /* "" CPU is not affected by SRSO */ + /* * BUG word(s) */ @@ -483,5 +491,9 @@ #define X86_BUG_RETBLEED X86_BUG(27) /* CPU is affected by RETBleed */ #define X86_BUG_EIBRS_PBRSB X86_BUG(28) /* EIBRS is vulnerable to Post Barrier RSB Predictions */ #define X86_BUG_SMT_RSB X86_BUG(29) /* CPU is vulnerable to Cross-Thread Return Address Predictions */ +#define X86_BUG_GDS X86_BUG(30) /* CPU is affected by Gather Data Sampling */ +/* BUG word 2 */ +#define X86_BUG_SRSO X86_BUG(1*32 + 0) /* AMD SRSO bug */ +#define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */ #endif /* _ASM_X86_CPUFEATURES_H */ diff --git a/arch/x86/include/asm/entry-common.h b/arch/x86/include/asm/entry-common.h index 117903881fe4..ce8f50192ae3 100644 --- a/arch/x86/include/asm/entry-common.h +++ b/arch/x86/include/asm/entry-common.h @@ -92,6 +92,7 @@ static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs, static __always_inline void arch_exit_to_user_mode(void) { mds_user_clear_cpu_buffers(); + amd_clear_divider(); } #define arch_exit_to_user_mode arch_exit_to_user_mode diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h index 0953aa32a324..97a3de7892d3 100644 --- a/arch/x86/include/asm/linkage.h +++ b/arch/x86/include/asm/linkage.h @@ -21,7 +21,7 @@ #define FUNCTION_PADDING #endif -#if (CONFIG_FUNCTION_ALIGNMENT > 8) && !defined(__DISABLE_EXPORTS) && !defined(BULID_VDSO) +#if (CONFIG_FUNCTION_ALIGNMENT > 8) && !defined(__DISABLE_EXPORTS) && !defined(BUILD_VDSO) # define __FUNC_ALIGN __ALIGN; FUNCTION_PADDING #else # define __FUNC_ALIGN __ALIGN diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index a00a53e15ab7..1d111350197f 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -57,6 +57,7 @@ #define MSR_IA32_PRED_CMD 0x00000049 /* Prediction Command */ #define PRED_CMD_IBPB BIT(0) /* Indirect Branch Prediction Barrier */ +#define PRED_CMD_SBPB BIT(7) /* Selective Branch Prediction Barrier */ #define MSR_PPIN_CTL 0x0000004e #define MSR_PPIN 0x0000004f @@ -155,6 +156,15 @@ * Not susceptible to Post-Barrier * Return Stack Buffer Predictions. */ +#define ARCH_CAP_GDS_CTRL BIT(25) /* + * CPU is vulnerable to Gather + * Data Sampling (GDS) and + * has controls for mitigation. + */ +#define ARCH_CAP_GDS_NO BIT(26) /* + * CPU is not vulnerable to Gather + * Data Sampling (GDS). + */ #define ARCH_CAP_XAPIC_DISABLE BIT(21) /* * IA32_XAPIC_DISABLE_STATUS MSR @@ -178,6 +188,8 @@ #define RNGDS_MITG_DIS BIT(0) /* SRBDS support */ #define RTM_ALLOW BIT(1) /* TSX development mode */ #define FB_CLEAR_DIS BIT(3) /* CPU Fill buffer clear disable */ +#define GDS_MITG_DIS BIT(4) /* Disable GDS mitigation */ +#define GDS_MITG_LOCKED BIT(5) /* GDS mitigation locked */ #define MSR_IA32_SYSENTER_CS 0x00000174 #define MSR_IA32_SYSENTER_ESP 0x00000175 diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index 1a65cf4acb2b..c55cc243592e 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -211,7 +211,8 @@ * eventually turn into it's own annotation. */ .macro VALIDATE_UNRET_END -#if defined(CONFIG_NOINSTR_VALIDATION) && defined(CONFIG_CPU_UNRET_ENTRY) +#if defined(CONFIG_NOINSTR_VALIDATION) && \ + (defined(CONFIG_CPU_UNRET_ENTRY) || defined(CONFIG_CPU_SRSO)) ANNOTATE_RETPOLINE_SAFE nop #endif @@ -271,9 +272,9 @@ .endm #ifdef CONFIG_CPU_UNRET_ENTRY -#define CALL_ZEN_UNTRAIN_RET "call zen_untrain_ret" +#define CALL_UNTRAIN_RET "call entry_untrain_ret" #else -#define CALL_ZEN_UNTRAIN_RET "" +#define CALL_UNTRAIN_RET "" #endif /* @@ -281,7 +282,7 @@ * return thunk isn't mapped into the userspace tables (then again, AMD * typically has NO_MELTDOWN). * - * While zen_untrain_ret() doesn't clobber anything but requires stack, + * While retbleed_untrain_ret() doesn't clobber anything but requires stack, * entry_ibpb() will clobber AX, CX, DX. * * As such, this must be placed after every *SWITCH_TO_KERNEL_CR3 at a point @@ -289,21 +290,32 @@ */ .macro UNTRAIN_RET #if defined(CONFIG_CPU_UNRET_ENTRY) || defined(CONFIG_CPU_IBPB_ENTRY) || \ - defined(CONFIG_CALL_DEPTH_TRACKING) + defined(CONFIG_CALL_DEPTH_TRACKING) || defined(CONFIG_CPU_SRSO) VALIDATE_UNRET_END ALTERNATIVE_3 "", \ - CALL_ZEN_UNTRAIN_RET, X86_FEATURE_UNRET, \ + CALL_UNTRAIN_RET, X86_FEATURE_UNRET, \ "call entry_ibpb", X86_FEATURE_ENTRY_IBPB, \ __stringify(RESET_CALL_DEPTH), X86_FEATURE_CALL_DEPTH #endif .endm +.macro UNTRAIN_RET_VM +#if defined(CONFIG_CPU_UNRET_ENTRY) || defined(CONFIG_CPU_IBPB_ENTRY) || \ + defined(CONFIG_CALL_DEPTH_TRACKING) || defined(CONFIG_CPU_SRSO) + VALIDATE_UNRET_END + ALTERNATIVE_3 "", \ + CALL_UNTRAIN_RET, X86_FEATURE_UNRET, \ + "call entry_ibpb", X86_FEATURE_IBPB_ON_VMEXIT, \ + __stringify(RESET_CALL_DEPTH), X86_FEATURE_CALL_DEPTH +#endif +.endm + .macro UNTRAIN_RET_FROM_CALL #if defined(CONFIG_CPU_UNRET_ENTRY) || defined(CONFIG_CPU_IBPB_ENTRY) || \ defined(CONFIG_CALL_DEPTH_TRACKING) VALIDATE_UNRET_END ALTERNATIVE_3 "", \ - CALL_ZEN_UNTRAIN_RET, X86_FEATURE_UNRET, \ + CALL_UNTRAIN_RET, X86_FEATURE_UNRET, \ "call entry_ibpb", X86_FEATURE_ENTRY_IBPB, \ __stringify(RESET_CALL_DEPTH_FROM_CALL), X86_FEATURE_CALL_DEPTH #endif @@ -330,15 +342,24 @@ extern retpoline_thunk_t __x86_indirect_thunk_array[]; extern retpoline_thunk_t __x86_indirect_call_thunk_array[]; extern retpoline_thunk_t __x86_indirect_jump_thunk_array[]; +#ifdef CONFIG_RETHUNK extern void __x86_return_thunk(void); -extern void zen_untrain_ret(void); +#else +static inline void __x86_return_thunk(void) {} +#endif + +extern void retbleed_return_thunk(void); +extern void srso_return_thunk(void); +extern void srso_alias_return_thunk(void); + +extern void retbleed_untrain_ret(void); +extern void srso_untrain_ret(void); +extern void srso_alias_untrain_ret(void); + +extern void entry_untrain_ret(void); extern void entry_ibpb(void); -#ifdef CONFIG_CALL_THUNKS extern void (*x86_return_thunk)(void); -#else -#define x86_return_thunk (&__x86_return_thunk) -#endif #ifdef CONFIG_CALL_DEPTH_TRACKING extern void __x86_return_skl(void); @@ -465,9 +486,6 @@ enum ssb_mitigation { SPEC_STORE_BYPASS_SECCOMP, }; -extern char __indirect_thunk_start[]; -extern char __indirect_thunk_end[]; - static __always_inline void alternative_msr_write(unsigned int msr, u64 val, unsigned int feature) { @@ -479,11 +497,11 @@ void alternative_msr_write(unsigned int msr, u64 val, unsigned int feature) : "memory"); } +extern u64 x86_pred_cmd; + static inline void indirect_branch_prediction_barrier(void) { - u64 val = PRED_CMD_IBPB; - - alternative_msr_write(MSR_IA32_PRED_CMD, val, X86_FEATURE_USE_IBPB); + alternative_msr_write(MSR_IA32_PRED_CMD, x86_pred_cmd, X86_FEATURE_USE_IBPB); } /* The Intel SPEC CTRL MSR base value cache */ diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index d46300e94f85..fd750247ca89 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -586,7 +586,6 @@ extern char ignore_fpu_irq; #define HAVE_ARCH_PICK_MMAP_LAYOUT 1 #define ARCH_HAS_PREFETCHW -#define ARCH_HAS_SPINLOCK_PREFETCH #ifdef CONFIG_X86_32 # define BASE_PREFETCH "" @@ -620,11 +619,6 @@ static __always_inline void prefetchw(const void *x) "m" (*(const char *)x)); } -static inline void spin_lock_prefetch(const void *x) -{ - prefetchw(x); -} - #define TOP_OF_INIT_STACK ((unsigned long)&init_stack + sizeof(init_stack) - \ TOP_OF_KERNEL_STACK_PADDING) @@ -682,9 +676,13 @@ extern u16 get_llc_id(unsigned int cpu); #ifdef CONFIG_CPU_SUP_AMD extern u32 amd_get_nodes_per_socket(void); extern u32 amd_get_highest_perf(void); +extern bool cpu_has_ibpb_brtype_microcode(void); +extern void amd_clear_divider(void); #else static inline u32 amd_get_nodes_per_socket(void) { return 0; } static inline u32 amd_get_highest_perf(void) { return 0; } +static inline bool cpu_has_ibpb_brtype_microcode(void) { return false; } +static inline void amd_clear_divider(void) { } #endif extern unsigned long arch_align_stack(unsigned long sp); @@ -727,4 +725,6 @@ bool arch_is_platform_page(u64 paddr); #define arch_is_platform_page arch_is_platform_page #endif +extern bool gds_ucode_mitigated(void); + #endif /* _ASM_X86_PROCESSOR_H */ diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index 794f69625780..9d6411c65920 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -56,7 +56,7 @@ #define GDT_ENTRY_INVALID_SEG 0 -#ifdef CONFIG_X86_32 +#if defined(CONFIG_X86_32) && !defined(BUILD_VDSO32_64) /* * The layout of the per-CPU GDT under Linux: * diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 21b542a6866c..53369c57751e 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -52,6 +52,7 @@ int acpi_lapic; int acpi_ioapic; int acpi_strict; int acpi_disable_cmcff; +bool acpi_int_src_ovr[NR_IRQS_LEGACY]; /* ACPI SCI override configuration */ u8 acpi_sci_flags __initdata; @@ -588,6 +589,9 @@ acpi_parse_int_src_ovr(union acpi_subtable_headers * header, acpi_table_print_madt_entry(&header->common); + if (intsrc->source_irq < NR_IRQS_LEGACY) + acpi_int_src_ovr[intsrc->source_irq] = true; + if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) { acpi_sci_ioapic_setup(intsrc->source_irq, intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 2dcf3a06af09..099d58d02a26 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -687,10 +687,6 @@ void __init_or_module noinline apply_retpolines(s32 *start, s32 *end) #ifdef CONFIG_RETHUNK -#ifdef CONFIG_CALL_THUNKS -void (*x86_return_thunk)(void) __ro_after_init = &__x86_return_thunk; -#endif - /* * Rewrite the compiler generated return thunk tail-calls. * diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 26ad7ca423e7..7eca6a8abbb1 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -73,8 +73,13 @@ static const int amd_erratum_1054[] = static const int amd_zenbleed[] = AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0x30, 0x0, 0x4f, 0xf), AMD_MODEL_RANGE(0x17, 0x60, 0x0, 0x7f, 0xf), + AMD_MODEL_RANGE(0x17, 0x90, 0x0, 0x91, 0xf), AMD_MODEL_RANGE(0x17, 0xa0, 0x0, 0xaf, 0xf)); +static const int amd_div0[] = + AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0x00, 0x0, 0x2f, 0xf), + AMD_MODEL_RANGE(0x17, 0x50, 0x0, 0x5f, 0xf)); + static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum) { int osvw_id = *erratum++; @@ -1130,6 +1135,11 @@ static void init_amd(struct cpuinfo_x86 *c) WARN_ON_ONCE(msr_set_bit(MSR_EFER, _EFER_AUTOIBRS)); zenbleed_check(c); + + if (cpu_has_amd_erratum(c, amd_div0)) { + pr_notice_once("AMD Zen1 DIV0 bug detected. Disable SMT for full protection.\n"); + setup_force_cpu_bug(X86_BUG_DIV0); + } } #ifdef CONFIG_X86_32 @@ -1290,3 +1300,33 @@ void amd_check_microcode(void) { on_each_cpu(zenbleed_check_cpu, NULL, 1); } + +bool cpu_has_ibpb_brtype_microcode(void) +{ + switch (boot_cpu_data.x86) { + /* Zen1/2 IBPB flushes branch type predictions too. */ + case 0x17: + return boot_cpu_has(X86_FEATURE_AMD_IBPB); + case 0x19: + /* Poke the MSR bit on Zen3/4 to check its presence. */ + if (!wrmsrl_safe(MSR_IA32_PRED_CMD, PRED_CMD_SBPB)) { + setup_force_cpu_cap(X86_FEATURE_SBPB); + return true; + } else { + return false; + } + default: + return false; + } +} + +/* + * Issue a DIV 0/1 insn to clear any division data from previous DIV + * operations. + */ +void noinstr amd_clear_divider(void) +{ + asm volatile(ALTERNATIVE("", "div %2\n\t", X86_BUG_DIV0) + :: "a" (0), "d" (0), "r" (1)); +} +EXPORT_SYMBOL_GPL(amd_clear_divider); diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 95507448e781..f081d26616ac 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -47,6 +47,8 @@ static void __init taa_select_mitigation(void); static void __init mmio_select_mitigation(void); static void __init srbds_select_mitigation(void); static void __init l1d_flush_select_mitigation(void); +static void __init srso_select_mitigation(void); +static void __init gds_select_mitigation(void); /* The base value of the SPEC_CTRL MSR without task-specific bits set */ u64 x86_spec_ctrl_base; @@ -56,8 +58,13 @@ EXPORT_SYMBOL_GPL(x86_spec_ctrl_base); DEFINE_PER_CPU(u64, x86_spec_ctrl_current); EXPORT_SYMBOL_GPL(x86_spec_ctrl_current); +u64 x86_pred_cmd __ro_after_init = PRED_CMD_IBPB; +EXPORT_SYMBOL_GPL(x86_pred_cmd); + static DEFINE_MUTEX(spec_ctrl_mutex); +void (*x86_return_thunk)(void) __ro_after_init = &__x86_return_thunk; + /* Update SPEC_CTRL MSR and its cached copy unconditionally */ static void update_spec_ctrl(u64 val) { @@ -160,6 +167,13 @@ void __init cpu_select_mitigations(void) md_clear_select_mitigation(); srbds_select_mitigation(); l1d_flush_select_mitigation(); + + /* + * srso_select_mitigation() depends and must run after + * retbleed_select_mitigation(). + */ + srso_select_mitigation(); + gds_select_mitigation(); } /* @@ -646,6 +660,149 @@ static int __init l1d_flush_parse_cmdline(char *str) early_param("l1d_flush", l1d_flush_parse_cmdline); #undef pr_fmt +#define pr_fmt(fmt) "GDS: " fmt + +enum gds_mitigations { + GDS_MITIGATION_OFF, + GDS_MITIGATION_UCODE_NEEDED, + GDS_MITIGATION_FORCE, + GDS_MITIGATION_FULL, + GDS_MITIGATION_FULL_LOCKED, + GDS_MITIGATION_HYPERVISOR, +}; + +#if IS_ENABLED(CONFIG_GDS_FORCE_MITIGATION) +static enum gds_mitigations gds_mitigation __ro_after_init = GDS_MITIGATION_FORCE; +#else +static enum gds_mitigations gds_mitigation __ro_after_init = GDS_MITIGATION_FULL; +#endif + +static const char * const gds_strings[] = { + [GDS_MITIGATION_OFF] = "Vulnerable", + [GDS_MITIGATION_UCODE_NEEDED] = "Vulnerable: No microcode", + [GDS_MITIGATION_FORCE] = "Mitigation: AVX disabled, no microcode", + [GDS_MITIGATION_FULL] = "Mitigation: Microcode", + [GDS_MITIGATION_FULL_LOCKED] = "Mitigation: Microcode (locked)", + [GDS_MITIGATION_HYPERVISOR] = "Unknown: Dependent on hypervisor status", +}; + +bool gds_ucode_mitigated(void) +{ + return (gds_mitigation == GDS_MITIGATION_FULL || + gds_mitigation == GDS_MITIGATION_FULL_LOCKED); +} +EXPORT_SYMBOL_GPL(gds_ucode_mitigated); + +void update_gds_msr(void) +{ + u64 mcu_ctrl_after; + u64 mcu_ctrl; + + switch (gds_mitigation) { + case GDS_MITIGATION_OFF: + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + mcu_ctrl |= GDS_MITG_DIS; + break; + case GDS_MITIGATION_FULL_LOCKED: + /* + * The LOCKED state comes from the boot CPU. APs might not have + * the same state. Make sure the mitigation is enabled on all + * CPUs. + */ + case GDS_MITIGATION_FULL: + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + mcu_ctrl &= ~GDS_MITG_DIS; + break; + case GDS_MITIGATION_FORCE: + case GDS_MITIGATION_UCODE_NEEDED: + case GDS_MITIGATION_HYPERVISOR: + return; + }; + + wrmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + + /* + * Check to make sure that the WRMSR value was not ignored. Writes to + * GDS_MITG_DIS will be ignored if this processor is locked but the boot + * processor was not. + */ + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl_after); + WARN_ON_ONCE(mcu_ctrl != mcu_ctrl_after); +} + +static void __init gds_select_mitigation(void) +{ + u64 mcu_ctrl; + + if (!boot_cpu_has_bug(X86_BUG_GDS)) + return; + + if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) { + gds_mitigation = GDS_MITIGATION_HYPERVISOR; + goto out; + } + + if (cpu_mitigations_off()) + gds_mitigation = GDS_MITIGATION_OFF; + /* Will verify below that mitigation _can_ be disabled */ + + /* No microcode */ + if (!(x86_read_arch_cap_msr() & ARCH_CAP_GDS_CTRL)) { + if (gds_mitigation == GDS_MITIGATION_FORCE) { + /* + * This only needs to be done on the boot CPU so do it + * here rather than in update_gds_msr() + */ + setup_clear_cpu_cap(X86_FEATURE_AVX); + pr_warn("Microcode update needed! Disabling AVX as mitigation.\n"); + } else { + gds_mitigation = GDS_MITIGATION_UCODE_NEEDED; + } + goto out; + } + + /* Microcode has mitigation, use it */ + if (gds_mitigation == GDS_MITIGATION_FORCE) + gds_mitigation = GDS_MITIGATION_FULL; + + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + if (mcu_ctrl & GDS_MITG_LOCKED) { + if (gds_mitigation == GDS_MITIGATION_OFF) + pr_warn("Mitigation locked. Disable failed.\n"); + + /* + * The mitigation is selected from the boot CPU. All other CPUs + * _should_ have the same state. If the boot CPU isn't locked + * but others are then update_gds_msr() will WARN() of the state + * mismatch. If the boot CPU is locked update_gds_msr() will + * ensure the other CPUs have the mitigation enabled. + */ + gds_mitigation = GDS_MITIGATION_FULL_LOCKED; + } + + update_gds_msr(); +out: + pr_info("%s\n", gds_strings[gds_mitigation]); +} + +static int __init gds_parse_cmdline(char *str) +{ + if (!str) + return -EINVAL; + + if (!boot_cpu_has_bug(X86_BUG_GDS)) + return 0; + + if (!strcmp(str, "off")) + gds_mitigation = GDS_MITIGATION_OFF; + else if (!strcmp(str, "force")) + gds_mitigation = GDS_MITIGATION_FORCE; + + return 0; +} +early_param("gather_data_sampling", gds_parse_cmdline); + +#undef pr_fmt #define pr_fmt(fmt) "Spectre V1 : " fmt enum spectre_v1_mitigation { @@ -885,6 +1042,9 @@ do_cmd_auto: setup_force_cpu_cap(X86_FEATURE_RETHUNK); setup_force_cpu_cap(X86_FEATURE_UNRET); + if (IS_ENABLED(CONFIG_RETHUNK)) + x86_return_thunk = retbleed_return_thunk; + if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD && boot_cpu_data.x86_vendor != X86_VENDOR_HYGON) pr_err(RETBLEED_UNTRAIN_MSG); @@ -894,6 +1054,7 @@ do_cmd_auto: case RETBLEED_MITIGATION_IBPB: setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); + setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT); mitigate_smt = true; break; @@ -2188,6 +2349,170 @@ static int __init l1tf_cmdline(char *str) early_param("l1tf", l1tf_cmdline); #undef pr_fmt +#define pr_fmt(fmt) "Speculative Return Stack Overflow: " fmt + +enum srso_mitigation { + SRSO_MITIGATION_NONE, + SRSO_MITIGATION_MICROCODE, + SRSO_MITIGATION_SAFE_RET, + SRSO_MITIGATION_IBPB, + SRSO_MITIGATION_IBPB_ON_VMEXIT, +}; + +enum srso_mitigation_cmd { + SRSO_CMD_OFF, + SRSO_CMD_MICROCODE, + SRSO_CMD_SAFE_RET, + SRSO_CMD_IBPB, + SRSO_CMD_IBPB_ON_VMEXIT, +}; + +static const char * const srso_strings[] = { + [SRSO_MITIGATION_NONE] = "Vulnerable", + [SRSO_MITIGATION_MICROCODE] = "Mitigation: microcode", + [SRSO_MITIGATION_SAFE_RET] = "Mitigation: safe RET", + [SRSO_MITIGATION_IBPB] = "Mitigation: IBPB", + [SRSO_MITIGATION_IBPB_ON_VMEXIT] = "Mitigation: IBPB on VMEXIT only" +}; + +static enum srso_mitigation srso_mitigation __ro_after_init = SRSO_MITIGATION_NONE; +static enum srso_mitigation_cmd srso_cmd __ro_after_init = SRSO_CMD_SAFE_RET; + +static int __init srso_parse_cmdline(char *str) +{ + if (!str) + return -EINVAL; + + if (!strcmp(str, "off")) + srso_cmd = SRSO_CMD_OFF; + else if (!strcmp(str, "microcode")) + srso_cmd = SRSO_CMD_MICROCODE; + else if (!strcmp(str, "safe-ret")) + srso_cmd = SRSO_CMD_SAFE_RET; + else if (!strcmp(str, "ibpb")) + srso_cmd = SRSO_CMD_IBPB; + else if (!strcmp(str, "ibpb-vmexit")) + srso_cmd = SRSO_CMD_IBPB_ON_VMEXIT; + else + pr_err("Ignoring unknown SRSO option (%s).", str); + + return 0; +} +early_param("spec_rstack_overflow", srso_parse_cmdline); + +#define SRSO_NOTICE "WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options." + +static void __init srso_select_mitigation(void) +{ + bool has_microcode; + + if (!boot_cpu_has_bug(X86_BUG_SRSO) || cpu_mitigations_off()) + goto pred_cmd; + + /* + * The first check is for the kernel running as a guest in order + * for guests to verify whether IBPB is a viable mitigation. + */ + has_microcode = boot_cpu_has(X86_FEATURE_IBPB_BRTYPE) || cpu_has_ibpb_brtype_microcode(); + if (!has_microcode) { + pr_warn("IBPB-extending microcode not applied!\n"); + pr_warn(SRSO_NOTICE); + } else { + /* + * Enable the synthetic (even if in a real CPUID leaf) + * flags for guests. + */ + setup_force_cpu_cap(X86_FEATURE_IBPB_BRTYPE); + + /* + * Zen1/2 with SMT off aren't vulnerable after the right + * IBPB microcode has been applied. + */ + if (boot_cpu_data.x86 < 0x19 && !cpu_smt_possible()) { + setup_force_cpu_cap(X86_FEATURE_SRSO_NO); + return; + } + } + + if (retbleed_mitigation == RETBLEED_MITIGATION_IBPB) { + if (has_microcode) { + pr_err("Retbleed IBPB mitigation enabled, using same for SRSO\n"); + srso_mitigation = SRSO_MITIGATION_IBPB; + goto pred_cmd; + } + } + + switch (srso_cmd) { + case SRSO_CMD_OFF: + return; + + case SRSO_CMD_MICROCODE: + if (has_microcode) { + srso_mitigation = SRSO_MITIGATION_MICROCODE; + pr_warn(SRSO_NOTICE); + } + break; + + case SRSO_CMD_SAFE_RET: + if (IS_ENABLED(CONFIG_CPU_SRSO)) { + /* + * Enable the return thunk for generated code + * like ftrace, static_call, etc. + */ + setup_force_cpu_cap(X86_FEATURE_RETHUNK); + setup_force_cpu_cap(X86_FEATURE_UNRET); + + if (boot_cpu_data.x86 == 0x19) { + setup_force_cpu_cap(X86_FEATURE_SRSO_ALIAS); + x86_return_thunk = srso_alias_return_thunk; + } else { + setup_force_cpu_cap(X86_FEATURE_SRSO); + x86_return_thunk = srso_return_thunk; + } + srso_mitigation = SRSO_MITIGATION_SAFE_RET; + } else { + pr_err("WARNING: kernel not compiled with CPU_SRSO.\n"); + goto pred_cmd; + } + break; + + case SRSO_CMD_IBPB: + if (IS_ENABLED(CONFIG_CPU_IBPB_ENTRY)) { + if (has_microcode) { + setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); + srso_mitigation = SRSO_MITIGATION_IBPB; + } + } else { + pr_err("WARNING: kernel not compiled with CPU_IBPB_ENTRY.\n"); + goto pred_cmd; + } + break; + + case SRSO_CMD_IBPB_ON_VMEXIT: + if (IS_ENABLED(CONFIG_CPU_SRSO)) { + if (!boot_cpu_has(X86_FEATURE_ENTRY_IBPB) && has_microcode) { + setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT); + srso_mitigation = SRSO_MITIGATION_IBPB_ON_VMEXIT; + } + } else { + pr_err("WARNING: kernel not compiled with CPU_SRSO.\n"); + goto pred_cmd; + } + break; + + default: + break; + } + + pr_info("%s%s\n", srso_strings[srso_mitigation], (has_microcode ? "" : ", no microcode")); + +pred_cmd: + if ((boot_cpu_has(X86_FEATURE_SRSO_NO) || srso_cmd == SRSO_CMD_OFF) && + boot_cpu_has(X86_FEATURE_SBPB)) + x86_pred_cmd = PRED_CMD_SBPB; +} + +#undef pr_fmt #define pr_fmt(fmt) fmt #ifdef CONFIG_SYSFS @@ -2385,6 +2710,21 @@ static ssize_t retbleed_show_state(char *buf) return sysfs_emit(buf, "%s\n", retbleed_strings[retbleed_mitigation]); } +static ssize_t srso_show_state(char *buf) +{ + if (boot_cpu_has(X86_FEATURE_SRSO_NO)) + return sysfs_emit(buf, "Mitigation: SMT disabled\n"); + + return sysfs_emit(buf, "%s%s\n", + srso_strings[srso_mitigation], + (cpu_has_ibpb_brtype_microcode() ? "" : ", no microcode")); +} + +static ssize_t gds_show_state(char *buf) +{ + return sysfs_emit(buf, "%s\n", gds_strings[gds_mitigation]); +} + static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr, char *buf, unsigned int bug) { @@ -2434,6 +2774,12 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr case X86_BUG_RETBLEED: return retbleed_show_state(buf); + case X86_BUG_SRSO: + return srso_show_state(buf); + + case X86_BUG_GDS: + return gds_show_state(buf); + default: break; } @@ -2498,4 +2844,14 @@ ssize_t cpu_show_retbleed(struct device *dev, struct device_attribute *attr, cha { return cpu_show_common(dev, attr, buf, X86_BUG_RETBLEED); } + +ssize_t cpu_show_spec_rstack_overflow(struct device *dev, struct device_attribute *attr, char *buf) +{ + return cpu_show_common(dev, attr, buf, X86_BUG_SRSO); +} + +ssize_t cpu_show_gds(struct device *dev, struct device_attribute *attr, char *buf) +{ + return cpu_show_common(dev, attr, buf, X86_BUG_GDS); +} #endif diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 0ba1067f4e5f..e3a65e9fc750 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1250,6 +1250,10 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = { #define RETBLEED BIT(3) /* CPU is affected by SMT (cross-thread) return predictions */ #define SMT_RSB BIT(4) +/* CPU is affected by SRSO */ +#define SRSO BIT(5) +/* CPU is affected by GDS */ +#define GDS BIT(6) static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = { VULNBL_INTEL_STEPPINGS(IVYBRIDGE, X86_STEPPING_ANY, SRBDS), @@ -1262,27 +1266,30 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = { VULNBL_INTEL_STEPPINGS(BROADWELL_X, X86_STEPPING_ANY, MMIO), VULNBL_INTEL_STEPPINGS(BROADWELL, X86_STEPPING_ANY, SRBDS), VULNBL_INTEL_STEPPINGS(SKYLAKE_L, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(SKYLAKE_X, X86_STEPPING_ANY, MMIO | RETBLEED), + VULNBL_INTEL_STEPPINGS(SKYLAKE_X, X86_STEPPING_ANY, MMIO | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(SKYLAKE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(KABYLAKE_L, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(KABYLAKE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), + VULNBL_INTEL_STEPPINGS(KABYLAKE_L, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED | GDS), + VULNBL_INTEL_STEPPINGS(KABYLAKE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(CANNONLAKE_L, X86_STEPPING_ANY, RETBLEED), - VULNBL_INTEL_STEPPINGS(ICELAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), - VULNBL_INTEL_STEPPINGS(ICELAKE_D, X86_STEPPING_ANY, MMIO), - VULNBL_INTEL_STEPPINGS(ICELAKE_X, X86_STEPPING_ANY, MMIO), - VULNBL_INTEL_STEPPINGS(COMETLAKE, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), + VULNBL_INTEL_STEPPINGS(ICELAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED | GDS), + VULNBL_INTEL_STEPPINGS(ICELAKE_D, X86_STEPPING_ANY, MMIO | GDS), + VULNBL_INTEL_STEPPINGS(ICELAKE_X, X86_STEPPING_ANY, MMIO | GDS), + VULNBL_INTEL_STEPPINGS(COMETLAKE, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(COMETLAKE_L, X86_STEPPINGS(0x0, 0x0), MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(COMETLAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), + VULNBL_INTEL_STEPPINGS(COMETLAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED | GDS), + VULNBL_INTEL_STEPPINGS(TIGERLAKE_L, X86_STEPPING_ANY, GDS), + VULNBL_INTEL_STEPPINGS(TIGERLAKE, X86_STEPPING_ANY, GDS), VULNBL_INTEL_STEPPINGS(LAKEFIELD, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), - VULNBL_INTEL_STEPPINGS(ROCKETLAKE, X86_STEPPING_ANY, MMIO | RETBLEED), + VULNBL_INTEL_STEPPINGS(ROCKETLAKE, X86_STEPPING_ANY, MMIO | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(ATOM_TREMONT, X86_STEPPING_ANY, MMIO | MMIO_SBDS), VULNBL_INTEL_STEPPINGS(ATOM_TREMONT_D, X86_STEPPING_ANY, MMIO), VULNBL_INTEL_STEPPINGS(ATOM_TREMONT_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS), VULNBL_AMD(0x15, RETBLEED), VULNBL_AMD(0x16, RETBLEED), - VULNBL_AMD(0x17, RETBLEED | SMT_RSB), + VULNBL_AMD(0x17, RETBLEED | SMT_RSB | SRSO), VULNBL_HYGON(0x18, RETBLEED | SMT_RSB), + VULNBL_AMD(0x19, SRSO), {} }; @@ -1406,6 +1413,21 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) if (cpu_matches(cpu_vuln_blacklist, SMT_RSB)) setup_force_cpu_bug(X86_BUG_SMT_RSB); + if (!cpu_has(c, X86_FEATURE_SRSO_NO)) { + if (cpu_matches(cpu_vuln_blacklist, SRSO)) + setup_force_cpu_bug(X86_BUG_SRSO); + } + + /* + * Check if CPU is vulnerable to GDS. If running in a virtual machine on + * an affected processor, the VMM may have disabled the use of GATHER by + * disabling AVX2. The only way to do this in HW is to clear XCR0[2], + * which means that AVX will be disabled. + */ + if (cpu_matches(cpu_vuln_blacklist, GDS) && !(ia32_cap & ARCH_CAP_GDS_NO) && + boot_cpu_has(X86_FEATURE_AVX)) + setup_force_cpu_bug(X86_BUG_GDS); + if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN)) return; @@ -1962,6 +1984,8 @@ void identify_secondary_cpu(struct cpuinfo_x86 *c) validate_apic_and_package_id(c); x86_spec_ctrl_setup_ap(); update_srbds_msr(); + if (boot_cpu_has_bug(X86_BUG_GDS)) + update_gds_msr(); tsx_ap_init(); } diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index 1c44630d4789..1dcd7d4e38ef 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -83,6 +83,7 @@ void cpu_select_mitigations(void); extern void x86_spec_ctrl_setup_ap(void); extern void update_srbds_msr(void); +extern void update_gds_msr(void); extern enum spectre_v2_mitigation spectre_v2_enabled; diff --git a/arch/x86/kernel/fpu/context.h b/arch/x86/kernel/fpu/context.h index af5cbdd9bd29..f6d856bd50bc 100644 --- a/arch/x86/kernel/fpu/context.h +++ b/arch/x86/kernel/fpu/context.h @@ -19,8 +19,7 @@ * FPU state for a task MUST let the rest of the kernel know that the * FPU registers are no longer valid for this task. * - * Either one of these invalidation functions is enough. Invalidate - * a resource you control: CPU if using the CPU for something else + * Invalidate a resource you control: CPU if using the CPU for something else * (with preemption disabled), FPU for the current task, or a task that * is prevented from running by the current task. */ diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 1015af1ae562..98e507cc7d34 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -679,7 +679,7 @@ static void fpu_reset_fpregs(void) struct fpu *fpu = ¤t->thread.fpu; fpregs_lock(); - fpu__drop(fpu); + __fpu_invalidate_fpregs_state(fpu); /* * This does not change the actual hardware registers. It just * resets the memory image and sets TIF_NEED_FPU_LOAD so a diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 0bab497c9436..1afbc4866b10 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -882,6 +882,13 @@ void __init fpu__init_system_xstate(unsigned int legacy_size) goto out_disable; } + /* + * CPU capabilities initialization runs before FPU init. So + * X86_FEATURE_OSXSAVE is not set. Now that XSAVE is completely + * functional, set the feature bit so depending code works. + */ + setup_force_cpu_cap(X86_FEATURE_OSXSAVE); + print_xstate_offset_size(); pr_info("x86/fpu: Enabled xstate features 0x%llx, context size is %d bytes, using '%s' format.\n", fpu_kernel_cfg.max_features, diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c index 57b0037d0a99..517821b48391 100644 --- a/arch/x86/kernel/kprobes/opt.c +++ b/arch/x86/kernel/kprobes/opt.c @@ -226,7 +226,7 @@ static int copy_optimized_instructions(u8 *dest, u8 *src, u8 *real) } /* Check whether insn is indirect jump */ -static int __insn_is_indirect_jump(struct insn *insn) +static int insn_is_indirect_jump(struct insn *insn) { return ((insn->opcode.bytes[0] == 0xff && (X86_MODRM_REG(insn->modrm.value) & 6) == 4) || /* Jump */ @@ -260,26 +260,6 @@ static int insn_jump_into_range(struct insn *insn, unsigned long start, int len) return (start <= target && target <= start + len); } -static int insn_is_indirect_jump(struct insn *insn) -{ - int ret = __insn_is_indirect_jump(insn); - -#ifdef CONFIG_RETPOLINE - /* - * Jump to x86_indirect_thunk_* is treated as an indirect jump. - * Note that even with CONFIG_RETPOLINE=y, the kernel compiled with - * older gcc may use indirect jump. So we add this check instead of - * replace indirect-jump check. - */ - if (!ret) - ret = insn_jump_into_range(insn, - (unsigned long)__indirect_thunk_start, - (unsigned long)__indirect_thunk_end - - (unsigned long)__indirect_thunk_start); -#endif - return ret; -} - /* Decode whole function to ensure any instructions don't jump into target */ static int can_optimize(unsigned long paddr) { @@ -334,9 +314,21 @@ static int can_optimize(unsigned long paddr) /* Recover address */ insn.kaddr = (void *)addr; insn.next_byte = (void *)(addr + insn.length); - /* Check any instructions don't jump into target */ - if (insn_is_indirect_jump(&insn) || - insn_jump_into_range(&insn, paddr + INT3_INSN_SIZE, + /* + * Check any instructions don't jump into target, indirectly or + * directly. + * + * The indirect case is present to handle a code with jump + * tables. When the kernel uses retpolines, the check should in + * theory additionally look for jumps to indirect thunks. + * However, the kernel built with retpolines or IBT has jump + * tables disabled so the check can be skipped altogether. + */ + if (!IS_ENABLED(CONFIG_RETPOLINE) && + !IS_ENABLED(CONFIG_X86_KERNEL_IBT) && + insn_is_indirect_jump(&insn)) + return 0; + if (insn_jump_into_range(&insn, paddr + INT3_INSN_SIZE, DISP32_SIZE)) return 0; addr += insn.length; diff --git a/arch/x86/kernel/static_call.c b/arch/x86/kernel/static_call.c index b70670a98597..77a9316da435 100644 --- a/arch/x86/kernel/static_call.c +++ b/arch/x86/kernel/static_call.c @@ -186,6 +186,19 @@ EXPORT_SYMBOL_GPL(arch_static_call_transform); */ bool __static_call_fixup(void *tramp, u8 op, void *dest) { + unsigned long addr = (unsigned long)tramp; + /* + * Not all .return_sites are a static_call trampoline (most are not). + * Check if the 3 bytes after the return are still kernel text, if not, + * then this definitely is not a trampoline and we need not worry + * further. + * + * This avoids the memcmp() below tripping over pagefaults etc.. + */ + if (((addr >> PAGE_SHIFT) != ((addr + 7) >> PAGE_SHIFT)) && + !kernel_text_address(addr + 7)) + return false; + if (memcmp(tramp+5, tramp_ud, 3)) { /* Not a trampoline site, not our problem. */ return false; diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 03c885d3640f..83d41c2601d7 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -133,14 +133,26 @@ SECTIONS KPROBES_TEXT SOFTIRQENTRY_TEXT #ifdef CONFIG_RETPOLINE - __indirect_thunk_start = .; - *(.text.__x86.*) - __indirect_thunk_end = .; + *(.text..__x86.indirect_thunk) + *(.text..__x86.return_thunk) #endif STATIC_CALL_TEXT ALIGN_ENTRY_TEXT_BEGIN +#ifdef CONFIG_CPU_SRSO + *(.text..__x86.rethunk_untrain) +#endif + ENTRY_TEXT + +#ifdef CONFIG_CPU_SRSO + /* + * See the comment above srso_alias_untrain_ret()'s + * definition. + */ + . = srso_alias_untrain_ret | (1 << 2) | (1 << 8) | (1 << 14) | (1 << 20); + *(.text..__x86.rethunk_safe) +#endif ALIGN_ENTRY_TEXT_END *(.gnu.warning) @@ -509,7 +521,24 @@ INIT_PER_CPU(irq_stack_backing_store); #endif #ifdef CONFIG_RETHUNK -. = ASSERT((__x86_return_thunk & 0x3f) == 0, "__x86_return_thunk not cacheline-aligned"); +. = ASSERT((retbleed_return_thunk & 0x3f) == 0, "retbleed_return_thunk not cacheline-aligned"); +. = ASSERT((srso_safe_ret & 0x3f) == 0, "srso_safe_ret not cacheline-aligned"); +#endif + +#ifdef CONFIG_CPU_SRSO +/* + * GNU ld cannot do XOR until 2.41. + * https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=f6f78318fca803c4907fb8d7f6ded8295f1947b1 + * + * LLVM lld cannot do XOR until lld-17. + * https://github.com/llvm/llvm-project/commit/fae96104d4378166cbe5c875ef8ed808a356f3fb + * + * Instead do: (A | B) - (A & B) in order to compute the XOR + * of the two function addresses: + */ +. = ASSERT(((ABSOLUTE(srso_alias_untrain_ret) | srso_alias_safe_ret) - + (ABSOLUTE(srso_alias_untrain_ret) & srso_alias_safe_ret)) == ((1 << 2) | (1 << 8) | (1 << 14) | (1 << 20)), + "SRSO function pair won't alias"); #endif #endif /* CONFIG_X86_64 */ diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 7f4d13383cf2..d3432687c9e6 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -729,6 +729,9 @@ void kvm_set_cpu_caps(void) F(NULL_SEL_CLR_BASE) | F(AUTOIBRS) | 0 /* PrefetchCtlMsr */ ); + if (cpu_feature_enabled(X86_FEATURE_SRSO_NO)) + kvm_cpu_cap_set(X86_FEATURE_SRSO_NO); + kvm_cpu_cap_init_kvm_defined(CPUID_8000_0022_EAX, F(PERFMON_V2) ); diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 07756b7348ae..d3aec1f2cad2 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -2417,15 +2417,18 @@ static void sev_es_sync_from_ghcb(struct vcpu_svm *svm) */ memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs)); - vcpu->arch.regs[VCPU_REGS_RAX] = ghcb_get_rax_if_valid(ghcb); - vcpu->arch.regs[VCPU_REGS_RBX] = ghcb_get_rbx_if_valid(ghcb); - vcpu->arch.regs[VCPU_REGS_RCX] = ghcb_get_rcx_if_valid(ghcb); - vcpu->arch.regs[VCPU_REGS_RDX] = ghcb_get_rdx_if_valid(ghcb); - vcpu->arch.regs[VCPU_REGS_RSI] = ghcb_get_rsi_if_valid(ghcb); + BUILD_BUG_ON(sizeof(svm->sev_es.valid_bitmap) != sizeof(ghcb->save.valid_bitmap)); + memcpy(&svm->sev_es.valid_bitmap, &ghcb->save.valid_bitmap, sizeof(ghcb->save.valid_bitmap)); - svm->vmcb->save.cpl = ghcb_get_cpl_if_valid(ghcb); + vcpu->arch.regs[VCPU_REGS_RAX] = kvm_ghcb_get_rax_if_valid(svm, ghcb); + vcpu->arch.regs[VCPU_REGS_RBX] = kvm_ghcb_get_rbx_if_valid(svm, ghcb); + vcpu->arch.regs[VCPU_REGS_RCX] = kvm_ghcb_get_rcx_if_valid(svm, ghcb); + vcpu->arch.regs[VCPU_REGS_RDX] = kvm_ghcb_get_rdx_if_valid(svm, ghcb); + vcpu->arch.regs[VCPU_REGS_RSI] = kvm_ghcb_get_rsi_if_valid(svm, ghcb); - if (ghcb_xcr0_is_valid(ghcb)) { + svm->vmcb->save.cpl = kvm_ghcb_get_cpl_if_valid(svm, ghcb); + + if (kvm_ghcb_xcr0_is_valid(svm)) { vcpu->arch.xcr0 = ghcb_get_xcr0(ghcb); kvm_update_cpuid_runtime(vcpu); } @@ -2436,84 +2439,88 @@ static void sev_es_sync_from_ghcb(struct vcpu_svm *svm) control->exit_code_hi = upper_32_bits(exit_code); control->exit_info_1 = ghcb_get_sw_exit_info_1(ghcb); control->exit_info_2 = ghcb_get_sw_exit_info_2(ghcb); + svm->sev_es.sw_scratch = kvm_ghcb_get_sw_scratch_if_valid(svm, ghcb); /* Clear the valid entries fields */ memset(ghcb->save.valid_bitmap, 0, sizeof(ghcb->save.valid_bitmap)); } +static u64 kvm_ghcb_get_sw_exit_code(struct vmcb_control_area *control) +{ + return (((u64)control->exit_code_hi) << 32) | control->exit_code; +} + static int sev_es_validate_vmgexit(struct vcpu_svm *svm) { - struct kvm_vcpu *vcpu; - struct ghcb *ghcb; + struct vmcb_control_area *control = &svm->vmcb->control; + struct kvm_vcpu *vcpu = &svm->vcpu; u64 exit_code; u64 reason; - ghcb = svm->sev_es.ghcb; - /* * Retrieve the exit code now even though it may not be marked valid * as it could help with debugging. */ - exit_code = ghcb_get_sw_exit_code(ghcb); + exit_code = kvm_ghcb_get_sw_exit_code(control); /* Only GHCB Usage code 0 is supported */ - if (ghcb->ghcb_usage) { + if (svm->sev_es.ghcb->ghcb_usage) { reason = GHCB_ERR_INVALID_USAGE; goto vmgexit_err; } reason = GHCB_ERR_MISSING_INPUT; - if (!ghcb_sw_exit_code_is_valid(ghcb) || - !ghcb_sw_exit_info_1_is_valid(ghcb) || - !ghcb_sw_exit_info_2_is_valid(ghcb)) + if (!kvm_ghcb_sw_exit_code_is_valid(svm) || + !kvm_ghcb_sw_exit_info_1_is_valid(svm) || + !kvm_ghcb_sw_exit_info_2_is_valid(svm)) goto vmgexit_err; - switch (ghcb_get_sw_exit_code(ghcb)) { + switch (exit_code) { case SVM_EXIT_READ_DR7: break; case SVM_EXIT_WRITE_DR7: - if (!ghcb_rax_is_valid(ghcb)) + if (!kvm_ghcb_rax_is_valid(svm)) goto vmgexit_err; break; case SVM_EXIT_RDTSC: break; case SVM_EXIT_RDPMC: - if (!ghcb_rcx_is_valid(ghcb)) + if (!kvm_ghcb_rcx_is_valid(svm)) goto vmgexit_err; break; case SVM_EXIT_CPUID: - if (!ghcb_rax_is_valid(ghcb) || - !ghcb_rcx_is_valid(ghcb)) + if (!kvm_ghcb_rax_is_valid(svm) || + !kvm_ghcb_rcx_is_valid(svm)) goto vmgexit_err; - if (ghcb_get_rax(ghcb) == 0xd) - if (!ghcb_xcr0_is_valid(ghcb)) + if (vcpu->arch.regs[VCPU_REGS_RAX] == 0xd) + if (!kvm_ghcb_xcr0_is_valid(svm)) goto vmgexit_err; break; case SVM_EXIT_INVD: break; case SVM_EXIT_IOIO: - if (ghcb_get_sw_exit_info_1(ghcb) & SVM_IOIO_STR_MASK) { - if (!ghcb_sw_scratch_is_valid(ghcb)) + if (control->exit_info_1 & SVM_IOIO_STR_MASK) { + if (!kvm_ghcb_sw_scratch_is_valid(svm)) goto vmgexit_err; } else { - if (!(ghcb_get_sw_exit_info_1(ghcb) & SVM_IOIO_TYPE_MASK)) - if (!ghcb_rax_is_valid(ghcb)) + if (!(control->exit_info_1 & SVM_IOIO_TYPE_MASK)) + if (!kvm_ghcb_rax_is_valid(svm)) goto vmgexit_err; } break; case SVM_EXIT_MSR: - if (!ghcb_rcx_is_valid(ghcb)) + if (!kvm_ghcb_rcx_is_valid(svm)) goto vmgexit_err; - if (ghcb_get_sw_exit_info_1(ghcb)) { - if (!ghcb_rax_is_valid(ghcb) || - !ghcb_rdx_is_valid(ghcb)) + if (control->exit_info_1) { + if (!kvm_ghcb_rax_is_valid(svm) || + !kvm_ghcb_rdx_is_valid(svm)) goto vmgexit_err; } break; case SVM_EXIT_VMMCALL: - if (!ghcb_rax_is_valid(ghcb) || - !ghcb_cpl_is_valid(ghcb)) + if (!kvm_ghcb_rax_is_valid(svm) || + !kvm_ghcb_cpl_is_valid(svm)) goto vmgexit_err; break; case SVM_EXIT_RDTSCP: @@ -2521,19 +2528,19 @@ static int sev_es_validate_vmgexit(struct vcpu_svm *svm) case SVM_EXIT_WBINVD: break; case SVM_EXIT_MONITOR: - if (!ghcb_rax_is_valid(ghcb) || - !ghcb_rcx_is_valid(ghcb) || - !ghcb_rdx_is_valid(ghcb)) + if (!kvm_ghcb_rax_is_valid(svm) || + !kvm_ghcb_rcx_is_valid(svm) || + !kvm_ghcb_rdx_is_valid(svm)) goto vmgexit_err; break; case SVM_EXIT_MWAIT: - if (!ghcb_rax_is_valid(ghcb) || - !ghcb_rcx_is_valid(ghcb)) + if (!kvm_ghcb_rax_is_valid(svm) || + !kvm_ghcb_rcx_is_valid(svm)) goto vmgexit_err; break; case SVM_VMGEXIT_MMIO_READ: case SVM_VMGEXIT_MMIO_WRITE: - if (!ghcb_sw_scratch_is_valid(ghcb)) + if (!kvm_ghcb_sw_scratch_is_valid(svm)) goto vmgexit_err; break; case SVM_VMGEXIT_NMI_COMPLETE: @@ -2549,11 +2556,9 @@ static int sev_es_validate_vmgexit(struct vcpu_svm *svm) return 0; vmgexit_err: - vcpu = &svm->vcpu; - if (reason == GHCB_ERR_INVALID_USAGE) { vcpu_unimpl(vcpu, "vmgexit: ghcb usage %#x is not valid\n", - ghcb->ghcb_usage); + svm->sev_es.ghcb->ghcb_usage); } else if (reason == GHCB_ERR_INVALID_EVENT) { vcpu_unimpl(vcpu, "vmgexit: exit code %#llx is not valid\n", exit_code); @@ -2563,11 +2568,8 @@ vmgexit_err: dump_ghcb(svm); } - /* Clear the valid entries fields */ - memset(ghcb->save.valid_bitmap, 0, sizeof(ghcb->save.valid_bitmap)); - - ghcb_set_sw_exit_info_1(ghcb, 2); - ghcb_set_sw_exit_info_2(ghcb, reason); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, reason); /* Resume the guest to "return" the error code. */ return 1; @@ -2586,7 +2588,7 @@ void sev_es_unmap_ghcb(struct vcpu_svm *svm) */ if (svm->sev_es.ghcb_sa_sync) { kvm_write_guest(svm->vcpu.kvm, - ghcb_get_sw_scratch(svm->sev_es.ghcb), + svm->sev_es.sw_scratch, svm->sev_es.ghcb_sa, svm->sev_es.ghcb_sa_len); svm->sev_es.ghcb_sa_sync = false; @@ -2632,12 +2634,11 @@ void pre_sev_run(struct vcpu_svm *svm, int cpu) static int setup_vmgexit_scratch(struct vcpu_svm *svm, bool sync, u64 len) { struct vmcb_control_area *control = &svm->vmcb->control; - struct ghcb *ghcb = svm->sev_es.ghcb; u64 ghcb_scratch_beg, ghcb_scratch_end; u64 scratch_gpa_beg, scratch_gpa_end; void *scratch_va; - scratch_gpa_beg = ghcb_get_sw_scratch(ghcb); + scratch_gpa_beg = svm->sev_es.sw_scratch; if (!scratch_gpa_beg) { pr_err("vmgexit: scratch gpa not provided\n"); goto e_scratch; @@ -2708,8 +2709,8 @@ static int setup_vmgexit_scratch(struct vcpu_svm *svm, bool sync, u64 len) return 0; e_scratch: - ghcb_set_sw_exit_info_1(ghcb, 2); - ghcb_set_sw_exit_info_2(ghcb, GHCB_ERR_INVALID_SCRATCH_AREA); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, GHCB_ERR_INVALID_SCRATCH_AREA); return 1; } @@ -2822,7 +2823,6 @@ int sev_handle_vmgexit(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); struct vmcb_control_area *control = &svm->vmcb->control; u64 ghcb_gpa, exit_code; - struct ghcb *ghcb; int ret; /* Validate the GHCB */ @@ -2847,20 +2847,18 @@ int sev_handle_vmgexit(struct kvm_vcpu *vcpu) } svm->sev_es.ghcb = svm->sev_es.ghcb_map.hva; - ghcb = svm->sev_es.ghcb_map.hva; - trace_kvm_vmgexit_enter(vcpu->vcpu_id, ghcb); - - exit_code = ghcb_get_sw_exit_code(ghcb); + trace_kvm_vmgexit_enter(vcpu->vcpu_id, svm->sev_es.ghcb); + sev_es_sync_from_ghcb(svm); ret = sev_es_validate_vmgexit(svm); if (ret) return ret; - sev_es_sync_from_ghcb(svm); - ghcb_set_sw_exit_info_1(ghcb, 0); - ghcb_set_sw_exit_info_2(ghcb, 0); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 0); + ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, 0); + exit_code = kvm_ghcb_get_sw_exit_code(control); switch (exit_code) { case SVM_VMGEXIT_MMIO_READ: ret = setup_vmgexit_scratch(svm, true, control->exit_info_2); @@ -2898,13 +2896,13 @@ int sev_handle_vmgexit(struct kvm_vcpu *vcpu) break; case 1: /* Get AP jump table address */ - ghcb_set_sw_exit_info_2(ghcb, sev->ap_jump_table); + ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, sev->ap_jump_table); break; default: pr_err("svm: vmgexit: unsupported AP jump table request - exit_info_1=%#llx\n", control->exit_info_1); - ghcb_set_sw_exit_info_1(ghcb, 2); - ghcb_set_sw_exit_info_2(ghcb, GHCB_ERR_INVALID_INPUT); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, GHCB_ERR_INVALID_INPUT); } ret = 1; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 956726d867aa..d4bfdc607fe7 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -1498,7 +1498,9 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if (sd->current_vmcb != svm->vmcb) { sd->current_vmcb = svm->vmcb; - indirect_branch_prediction_barrier(); + + if (!cpu_feature_enabled(X86_FEATURE_IBPB_ON_VMEXIT)) + indirect_branch_prediction_barrier(); } if (kvm_vcpu_apicv_active(vcpu)) avic_vcpu_load(vcpu, cpu); @@ -4004,6 +4006,8 @@ static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu, bool spec_ctrl_in guest_state_enter_irqoff(); + amd_clear_divider(); + if (sev_es_guest(vcpu->kvm)) __svm_sev_es_vcpu_run(svm, spec_ctrl_intercepted); else diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 18af7e712a5a..8239c8de45ac 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -190,10 +190,12 @@ struct vcpu_sev_es_state { /* SEV-ES support */ struct sev_es_save_area *vmsa; struct ghcb *ghcb; + u8 valid_bitmap[16]; struct kvm_host_map ghcb_map; bool received_first_sipi; /* SEV-ES scratch area support */ + u64 sw_scratch; void *ghcb_sa; u32 ghcb_sa_len; bool ghcb_sa_sync; @@ -744,4 +746,28 @@ void sev_es_unmap_ghcb(struct vcpu_svm *svm); void __svm_sev_es_vcpu_run(struct vcpu_svm *svm, bool spec_ctrl_intercepted); void __svm_vcpu_run(struct vcpu_svm *svm, bool spec_ctrl_intercepted); +#define DEFINE_KVM_GHCB_ACCESSORS(field) \ + static __always_inline bool kvm_ghcb_##field##_is_valid(const struct vcpu_svm *svm) \ + { \ + return test_bit(GHCB_BITMAP_IDX(field), \ + (unsigned long *)&svm->sev_es.valid_bitmap); \ + } \ + \ + static __always_inline u64 kvm_ghcb_get_##field##_if_valid(struct vcpu_svm *svm, struct ghcb *ghcb) \ + { \ + return kvm_ghcb_##field##_is_valid(svm) ? ghcb->save.field : 0; \ + } \ + +DEFINE_KVM_GHCB_ACCESSORS(cpl) +DEFINE_KVM_GHCB_ACCESSORS(rax) +DEFINE_KVM_GHCB_ACCESSORS(rcx) +DEFINE_KVM_GHCB_ACCESSORS(rdx) +DEFINE_KVM_GHCB_ACCESSORS(rbx) +DEFINE_KVM_GHCB_ACCESSORS(rsi) +DEFINE_KVM_GHCB_ACCESSORS(sw_exit_code) +DEFINE_KVM_GHCB_ACCESSORS(sw_exit_info_1) +DEFINE_KVM_GHCB_ACCESSORS(sw_exit_info_2) +DEFINE_KVM_GHCB_ACCESSORS(sw_scratch) +DEFINE_KVM_GHCB_ACCESSORS(xcr0) + #endif diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S index 8e8295e774f0..ef2ebabb059c 100644 --- a/arch/x86/kvm/svm/vmenter.S +++ b/arch/x86/kvm/svm/vmenter.S @@ -222,7 +222,7 @@ SYM_FUNC_START(__svm_vcpu_run) * because interrupt handlers won't sanitize 'ret' if the return is * from the kernel. */ - UNTRAIN_RET + UNTRAIN_RET_VM /* * Clear all general purpose registers except RSP and RAX to prevent @@ -359,7 +359,7 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run) * because interrupt handlers won't sanitize RET if the return is * from the kernel. */ - UNTRAIN_RET + UNTRAIN_RET_VM /* "Pop" @spec_ctrl_intercepted. */ pop %_ASM_BX diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 278dbd37dab2..c381770bcbf1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1616,7 +1616,7 @@ static bool kvm_is_immutable_feature_msr(u32 msr) ARCH_CAP_SKIP_VMENTRY_L1DFLUSH | ARCH_CAP_SSB_NO | ARCH_CAP_MDS_NO | \ ARCH_CAP_PSCHANGE_MC_NO | ARCH_CAP_TSX_CTRL_MSR | ARCH_CAP_TAA_NO | \ ARCH_CAP_SBDR_SSDP_NO | ARCH_CAP_FBSDP_NO | ARCH_CAP_PSDP_NO | \ - ARCH_CAP_FB_CLEAR | ARCH_CAP_RRSBA | ARCH_CAP_PBRSB_NO) + ARCH_CAP_FB_CLEAR | ARCH_CAP_RRSBA | ARCH_CAP_PBRSB_NO | ARCH_CAP_GDS_NO) static u64 kvm_get_arch_capabilities(void) { @@ -1673,6 +1673,9 @@ static u64 kvm_get_arch_capabilities(void) */ } + if (!boot_cpu_has_bug(X86_BUG_GDS) || gds_ucode_mitigated()) + data |= ARCH_CAP_GDS_NO; + return data; } diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S index 3fd066d42ec0..cd86aeb5fdd3 100644 --- a/arch/x86/lib/retpoline.S +++ b/arch/x86/lib/retpoline.S @@ -11,8 +11,9 @@ #include <asm/unwind_hints.h> #include <asm/percpu.h> #include <asm/frame.h> +#include <asm/nops.h> - .section .text.__x86.indirect_thunk + .section .text..__x86.indirect_thunk .macro POLINE reg @@ -131,36 +132,107 @@ SYM_CODE_END(__x86_indirect_jump_thunk_array) */ #ifdef CONFIG_RETHUNK - .section .text.__x86.return_thunk +/* + * srso_alias_untrain_ret() and srso_alias_safe_ret() are placed at + * special addresses: + * + * - srso_alias_untrain_ret() is 2M aligned + * - srso_alias_safe_ret() is also in the same 2M page but bits 2, 8, 14 + * and 20 in its virtual address are set (while those bits in the + * srso_alias_untrain_ret() function are cleared). + * + * This guarantees that those two addresses will alias in the branch + * target buffer of Zen3/4 generations, leading to any potential + * poisoned entries at that BTB slot to get evicted. + * + * As a result, srso_alias_safe_ret() becomes a safe return. + */ +#ifdef CONFIG_CPU_SRSO + .section .text..__x86.rethunk_untrain + +SYM_START(srso_alias_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE) + UNWIND_HINT_FUNC + ANNOTATE_NOENDBR + ASM_NOP2 + lfence + jmp srso_alias_return_thunk +SYM_FUNC_END(srso_alias_untrain_ret) +__EXPORT_THUNK(srso_alias_untrain_ret) + + .section .text..__x86.rethunk_safe +#else +/* dummy definition for alternatives */ +SYM_START(srso_alias_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE) + ANNOTATE_UNRET_SAFE + ret + int3 +SYM_FUNC_END(srso_alias_untrain_ret) +#endif + +SYM_START(srso_alias_safe_ret, SYM_L_GLOBAL, SYM_A_NONE) + lea 8(%_ASM_SP), %_ASM_SP + UNWIND_HINT_FUNC + ANNOTATE_UNRET_SAFE + ret + int3 +SYM_FUNC_END(srso_alias_safe_ret) + + .section .text..__x86.return_thunk + +SYM_CODE_START(srso_alias_return_thunk) + UNWIND_HINT_FUNC + ANNOTATE_NOENDBR + call srso_alias_safe_ret + ud2 +SYM_CODE_END(srso_alias_return_thunk) + +/* + * Some generic notes on the untraining sequences: + * + * They are interchangeable when it comes to flushing potentially wrong + * RET predictions from the BTB. + * + * The SRSO Zen1/2 (MOVABS) untraining sequence is longer than the + * Retbleed sequence because the return sequence done there + * (srso_safe_ret()) is longer and the return sequence must fully nest + * (end before) the untraining sequence. Therefore, the untraining + * sequence must fully overlap the return sequence. + * + * Regarding alignment - the instructions which need to be untrained, + * must all start at a cacheline boundary for Zen1/2 generations. That + * is, instruction sequences starting at srso_safe_ret() and + * the respective instruction sequences at retbleed_return_thunk() + * must start at a cacheline boundary. + */ /* * Safety details here pertain to the AMD Zen{1,2} microarchitecture: - * 1) The RET at __x86_return_thunk must be on a 64 byte boundary, for + * 1) The RET at retbleed_return_thunk must be on a 64 byte boundary, for * alignment within the BTB. - * 2) The instruction at zen_untrain_ret must contain, and not + * 2) The instruction at retbleed_untrain_ret must contain, and not * end with, the 0xc3 byte of the RET. * 3) STIBP must be enabled, or SMT disabled, to prevent the sibling thread * from re-poisioning the BTB prediction. */ .align 64 - .skip 64 - (__x86_return_thunk - zen_untrain_ret), 0xcc -SYM_START(zen_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE) + .skip 64 - (retbleed_return_thunk - retbleed_untrain_ret), 0xcc +SYM_START(retbleed_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE) ANNOTATE_NOENDBR /* - * As executed from zen_untrain_ret, this is: + * As executed from retbleed_untrain_ret, this is: * * TEST $0xcc, %bl * LFENCE - * JMP __x86_return_thunk + * JMP retbleed_return_thunk * * Executing the TEST instruction has a side effect of evicting any BTB * prediction (potentially attacker controlled) attached to the RET, as - * __x86_return_thunk + 1 isn't an instruction boundary at the moment. + * retbleed_return_thunk + 1 isn't an instruction boundary at the moment. */ .byte 0xf6 /* - * As executed from __x86_return_thunk, this is a plain RET. + * As executed from retbleed_return_thunk, this is a plain RET. * * As part of the TEST above, RET is the ModRM byte, and INT3 the imm8. * @@ -172,13 +244,13 @@ SYM_START(zen_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE) * With SMT enabled and STIBP active, a sibling thread cannot poison * RET's prediction to a type of its choice, but can evict the * prediction due to competitive sharing. If the prediction is - * evicted, __x86_return_thunk will suffer Straight Line Speculation + * evicted, retbleed_return_thunk will suffer Straight Line Speculation * which will be contained safely by the INT3. */ -SYM_INNER_LABEL(__x86_return_thunk, SYM_L_GLOBAL) +SYM_INNER_LABEL(retbleed_return_thunk, SYM_L_GLOBAL) ret int3 -SYM_CODE_END(__x86_return_thunk) +SYM_CODE_END(retbleed_return_thunk) /* * Ensure the TEST decoding / BTB invalidation is complete. @@ -189,11 +261,67 @@ SYM_CODE_END(__x86_return_thunk) * Jump back and execute the RET in the middle of the TEST instruction. * INT3 is for SLS protection. */ - jmp __x86_return_thunk + jmp retbleed_return_thunk int3 -SYM_FUNC_END(zen_untrain_ret) -__EXPORT_THUNK(zen_untrain_ret) +SYM_FUNC_END(retbleed_untrain_ret) +__EXPORT_THUNK(retbleed_untrain_ret) +/* + * SRSO untraining sequence for Zen1/2, similar to retbleed_untrain_ret() + * above. On kernel entry, srso_untrain_ret() is executed which is a + * + * movabs $0xccccc30824648d48,%rax + * + * and when the return thunk executes the inner label srso_safe_ret() + * later, it is a stack manipulation and a RET which is mispredicted and + * thus a "safe" one to use. + */ + .align 64 + .skip 64 - (srso_safe_ret - srso_untrain_ret), 0xcc +SYM_START(srso_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE) + ANNOTATE_NOENDBR + .byte 0x48, 0xb8 + +/* + * This forces the function return instruction to speculate into a trap + * (UD2 in srso_return_thunk() below). This RET will then mispredict + * and execution will continue at the return site read from the top of + * the stack. + */ +SYM_INNER_LABEL(srso_safe_ret, SYM_L_GLOBAL) + lea 8(%_ASM_SP), %_ASM_SP + ret + int3 + int3 + /* end of movabs */ + lfence + call srso_safe_ret + ud2 +SYM_CODE_END(srso_safe_ret) +SYM_FUNC_END(srso_untrain_ret) +__EXPORT_THUNK(srso_untrain_ret) + +SYM_CODE_START(srso_return_thunk) + UNWIND_HINT_FUNC + ANNOTATE_NOENDBR + call srso_safe_ret + ud2 +SYM_CODE_END(srso_return_thunk) + +SYM_FUNC_START(entry_untrain_ret) + ALTERNATIVE_2 "jmp retbleed_untrain_ret", \ + "jmp srso_untrain_ret", X86_FEATURE_SRSO, \ + "jmp srso_alias_untrain_ret", X86_FEATURE_SRSO_ALIAS +SYM_FUNC_END(entry_untrain_ret) +__EXPORT_THUNK(entry_untrain_ret) + +SYM_CODE_START(__x86_return_thunk) + UNWIND_HINT_FUNC + ANNOTATE_NOENDBR + ANNOTATE_UNRET_SAFE + ret + int3 +SYM_CODE_END(__x86_return_thunk) EXPORT_SYMBOL(__x86_return_thunk) #endif /* CONFIG_RETHUNK */ diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index 2b69c3c035b6..fc1a4f3c81d9 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -422,3 +422,4 @@ 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 diff --git a/block/bdev.c b/block/bdev.c index 979e28a46b98..f3b13aa1b7d4 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -206,23 +206,6 @@ int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend) } EXPORT_SYMBOL(sync_blockdev_range); -/* - * Write out and wait upon all dirty data associated with this - * device. Filesystem data as well as the underlying block - * device. Takes the superblock lock. - */ -int fsync_bdev(struct block_device *bdev) -{ - struct super_block *sb = get_super(bdev); - if (sb) { - int res = sync_filesystem(sb); - drop_super(sb); - return res; - } - return sync_blockdev(bdev); -} -EXPORT_SYMBOL(fsync_bdev); - /** * freeze_bdev - lock a filesystem and force it into a consistent state * @bdev: blockdevice to lock @@ -248,9 +231,9 @@ int freeze_bdev(struct block_device *bdev) if (!sb) goto sync; if (sb->s_op->freeze_super) - error = sb->s_op->freeze_super(sb); + error = sb->s_op->freeze_super(sb, FREEZE_HOLDER_USERSPACE); else - error = freeze_super(sb); + error = freeze_super(sb, FREEZE_HOLDER_USERSPACE); deactivate_super(sb); if (error) { @@ -291,9 +274,9 @@ int thaw_bdev(struct block_device *bdev) goto out; if (sb->s_op->thaw_super) - error = sb->s_op->thaw_super(sb); + error = sb->s_op->thaw_super(sb, FREEZE_HOLDER_USERSPACE); else - error = thaw_super(sb); + error = thaw_super(sb, FREEZE_HOLDER_USERSPACE); if (error) bdev->bd_fsfreeze_count++; else @@ -960,26 +943,38 @@ out_path_put: } EXPORT_SYMBOL(lookup_bdev); -int __invalidate_device(struct block_device *bdev, bool kill_dirty) +/** + * bdev_mark_dead - mark a block device as dead + * @bdev: block device to operate on + * @surprise: indicate a surprise removal + * + * Tell the file system that this devices or media is dead. If @surprise is set + * to %true the device or media is already gone, if not we are preparing for an + * orderly removal. + * + * This calls into the file system, which then typicall syncs out all dirty data + * and writes back inodes and then invalidates any cached data in the inodes on + * the file system. In addition we also invalidate the block device mapping. + */ +void bdev_mark_dead(struct block_device *bdev, bool surprise) { - struct super_block *sb = get_super(bdev); - int res = 0; + mutex_lock(&bdev->bd_holder_lock); + if (bdev->bd_holder_ops && bdev->bd_holder_ops->mark_dead) + bdev->bd_holder_ops->mark_dead(bdev, surprise); + else + sync_blockdev(bdev); + mutex_unlock(&bdev->bd_holder_lock); - if (sb) { - /* - * no need to lock the super, get_super holds the - * read mutex so the filesystem cannot go away - * under us (->put_super runs with the write lock - * hold). - */ - shrink_dcache_sb(sb); - res = invalidate_inodes(sb, kill_dirty); - drop_super(sb); - } invalidate_bdev(bdev); - return res; } -EXPORT_SYMBOL(__invalidate_device); +#ifdef CONFIG_DASD_MODULE +/* + * Drivers should not use this directly, but the DASD driver has historically + * had a shutdown to offline mode that doesn't actually remove the gendisk + * that otherwise looks a lot like a safe device removal. + */ +EXPORT_SYMBOL_GPL(bdev_mark_dead); +#endif void sync_bdevs(bool wait) { diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index fc49be622e05..9faafcd10e17 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -136,7 +136,9 @@ static void blkg_free_workfn(struct work_struct *work) blkcg_policy[i]->pd_free_fn(blkg->pd[i]); if (blkg->parent) blkg_put(blkg->parent); + spin_lock_irq(&q->queue_lock); list_del_init(&blkg->q_node); + spin_unlock_irq(&q->queue_lock); mutex_unlock(&q->blkcg_mutex); blk_put_queue(q); diff --git a/block/blk-core.c b/block/blk-core.c index 90de50082146..9866468c72a2 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -722,14 +722,9 @@ void submit_bio_noacct(struct bio *bio) struct block_device *bdev = bio->bi_bdev; struct request_queue *q = bdev_get_queue(bdev); blk_status_t status = BLK_STS_IOERR; - struct blk_plug *plug; might_sleep(); - plug = blk_mq_plug(bio); - if (plug && plug->nowait) - bio->bi_opf |= REQ_NOWAIT; - /* * For a REQ_NOWAIT based request, return -EOPNOTSUPP * if queue does not support NOWAIT. @@ -1059,7 +1054,6 @@ void blk_start_plug_nr_ios(struct blk_plug *plug, unsigned short nr_ios) plug->rq_count = 0; plug->multiple_queues = false; plug->has_elevator = false; - plug->nowait = false; INIT_LIST_HEAD(&plug->cb_list); /* diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c index ad9844c5b40c..e6468eab2681 100644 --- a/block/blk-crypto-fallback.c +++ b/block/blk-crypto-fallback.c @@ -78,7 +78,7 @@ static struct blk_crypto_fallback_keyslot { struct crypto_skcipher *tfms[BLK_ENCRYPTION_MODE_MAX]; } *blk_crypto_keyslots; -static struct blk_crypto_profile blk_crypto_fallback_profile; +static struct blk_crypto_profile *blk_crypto_fallback_profile; static struct workqueue_struct *blk_crypto_wq; static mempool_t *blk_crypto_bounce_page_pool; static struct bio_set crypto_bio_split; @@ -292,7 +292,7 @@ static bool blk_crypto_fallback_encrypt_bio(struct bio **bio_ptr) * Get a blk-crypto-fallback keyslot that contains a crypto_skcipher for * this bio's algorithm and key. */ - blk_st = blk_crypto_get_keyslot(&blk_crypto_fallback_profile, + blk_st = blk_crypto_get_keyslot(blk_crypto_fallback_profile, bc->bc_key, &slot); if (blk_st != BLK_STS_OK) { src_bio->bi_status = blk_st; @@ -395,7 +395,7 @@ static void blk_crypto_fallback_decrypt_bio(struct work_struct *work) * Get a blk-crypto-fallback keyslot that contains a crypto_skcipher for * this bio's algorithm and key. */ - blk_st = blk_crypto_get_keyslot(&blk_crypto_fallback_profile, + blk_st = blk_crypto_get_keyslot(blk_crypto_fallback_profile, bc->bc_key, &slot); if (blk_st != BLK_STS_OK) { bio->bi_status = blk_st; @@ -499,7 +499,7 @@ bool blk_crypto_fallback_bio_prep(struct bio **bio_ptr) return false; } - if (!__blk_crypto_cfg_supported(&blk_crypto_fallback_profile, + if (!__blk_crypto_cfg_supported(blk_crypto_fallback_profile, &bc->bc_key->crypto_cfg)) { bio->bi_status = BLK_STS_NOTSUPP; return false; @@ -526,7 +526,7 @@ bool blk_crypto_fallback_bio_prep(struct bio **bio_ptr) int blk_crypto_fallback_evict_key(const struct blk_crypto_key *key) { - return __blk_crypto_evict_key(&blk_crypto_fallback_profile, key); + return __blk_crypto_evict_key(blk_crypto_fallback_profile, key); } static bool blk_crypto_fallback_inited; @@ -534,7 +534,6 @@ static int blk_crypto_fallback_init(void) { int i; int err; - struct blk_crypto_profile *profile = &blk_crypto_fallback_profile; if (blk_crypto_fallback_inited) return 0; @@ -545,18 +544,27 @@ static int blk_crypto_fallback_init(void) if (err) goto out; - err = blk_crypto_profile_init(profile, blk_crypto_num_keyslots); - if (err) + /* Dynamic allocation is needed because of lockdep_register_key(). */ + blk_crypto_fallback_profile = + kzalloc(sizeof(*blk_crypto_fallback_profile), GFP_KERNEL); + if (!blk_crypto_fallback_profile) { + err = -ENOMEM; goto fail_free_bioset; + } + + err = blk_crypto_profile_init(blk_crypto_fallback_profile, + blk_crypto_num_keyslots); + if (err) + goto fail_free_profile; err = -ENOMEM; - profile->ll_ops = blk_crypto_fallback_ll_ops; - profile->max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE; + blk_crypto_fallback_profile->ll_ops = blk_crypto_fallback_ll_ops; + blk_crypto_fallback_profile->max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE; /* All blk-crypto modes have a crypto API fallback. */ for (i = 0; i < BLK_ENCRYPTION_MODE_MAX; i++) - profile->modes_supported[i] = 0xFFFFFFFF; - profile->modes_supported[BLK_ENCRYPTION_MODE_INVALID] = 0; + blk_crypto_fallback_profile->modes_supported[i] = 0xFFFFFFFF; + blk_crypto_fallback_profile->modes_supported[BLK_ENCRYPTION_MODE_INVALID] = 0; blk_crypto_wq = alloc_workqueue("blk_crypto_wq", WQ_UNBOUND | WQ_HIGHPRI | @@ -597,7 +605,9 @@ fail_free_keyslots: fail_free_wq: destroy_workqueue(blk_crypto_wq); fail_destroy_profile: - blk_crypto_profile_destroy(profile); + blk_crypto_profile_destroy(blk_crypto_fallback_profile); +fail_free_profile: + kfree(blk_crypto_fallback_profile); fail_free_bioset: bioset_exit(&crypto_bio_split); out: diff --git a/block/blk-iocost.c b/block/blk-iocost.c index dd64e2066f01..089fcb9cfce3 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -3301,11 +3301,12 @@ static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input, if (qos[QOS_MIN] > qos[QOS_MAX]) goto einval; - if (enable) { + if (enable && !ioc->enabled) { blk_stat_enable_accounting(disk->queue); blk_queue_flag_set(QUEUE_FLAG_RQ_ALLOC_TIME, disk->queue); ioc->enabled = true; - } else { + } else if (!enable && ioc->enabled) { + blk_stat_disable_accounting(disk->queue); blk_queue_flag_clear(QUEUE_FLAG_RQ_ALLOC_TIME, disk->queue); ioc->enabled = false; } diff --git a/block/blk-mq.c b/block/blk-mq.c index b04ff6f56926..953f08354c8c 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -681,6 +681,21 @@ out_queue_exit: } EXPORT_SYMBOL_GPL(blk_mq_alloc_request_hctx); +static void blk_mq_finish_request(struct request *rq) +{ + struct request_queue *q = rq->q; + + if (rq->rq_flags & RQF_USE_SCHED) { + q->elevator->type->ops.finish_request(rq); + /* + * For postflush request that may need to be + * completed twice, we should clear this flag + * to avoid double finish_request() on the rq. + */ + rq->rq_flags &= ~RQF_USE_SCHED; + } +} + static void __blk_mq_free_request(struct request *rq) { struct request_queue *q = rq->q; @@ -707,9 +722,7 @@ void blk_mq_free_request(struct request *rq) { struct request_queue *q = rq->q; - if ((rq->rq_flags & RQF_USE_SCHED) && - q->elevator->type->ops.finish_request) - q->elevator->type->ops.finish_request(rq); + blk_mq_finish_request(rq); if (unlikely(laptop_mode && !blk_rq_is_passthrough(rq))) laptop_io_completion(q->disk->bdi); @@ -1020,6 +1033,8 @@ inline void __blk_mq_end_request(struct request *rq, blk_status_t error) if (blk_mq_need_time_stamp(rq)) __blk_mq_end_request_acct(rq, ktime_get_ns()); + blk_mq_finish_request(rq); + if (rq->end_io) { rq_qos_done(rq->q, rq); if (rq->end_io(rq, error) == RQ_END_IO_FREE) @@ -1074,6 +1089,8 @@ void blk_mq_end_request_batch(struct io_comp_batch *iob) if (iob->need_ts) __blk_mq_end_request_acct(rq, now); + blk_mq_finish_request(rq); + rq_qos_done(rq->q, rq); /* diff --git a/block/disk-events.c b/block/disk-events.c index 0cfac464e6d1..422db8292d09 100644 --- a/block/disk-events.c +++ b/block/disk-events.c @@ -281,9 +281,7 @@ bool disk_check_media_change(struct gendisk *disk) if (!(events & DISK_EVENT_MEDIA_CHANGE)) return false; - if (__invalidate_device(disk->part0, true)) - pr_warn("VFS: busy inodes on changed media %s\n", - disk->disk_name); + bdev_mark_dead(disk->part0, true); set_bit(GD_NEED_PART_SCAN, &disk->state); return true; } @@ -294,25 +292,16 @@ EXPORT_SYMBOL(disk_check_media_change); * @disk: the disk which will raise the event * @events: the events to raise * - * Generate uevents for the disk. If DISK_EVENT_MEDIA_CHANGE is present, - * attempt to free all dentries and inodes and invalidates all block + * Should be called when the media changes for @disk. Generates a uevent + * and attempts to free all dentries and inodes and invalidates all block * device page cache entries in that case. - * - * Returns %true if DISK_EVENT_MEDIA_CHANGE was raised, or %false if not. */ -bool disk_force_media_change(struct gendisk *disk, unsigned int events) +void disk_force_media_change(struct gendisk *disk) { - disk_event_uevent(disk, events); - - if (!(events & DISK_EVENT_MEDIA_CHANGE)) - return false; - + disk_event_uevent(disk, DISK_EVENT_MEDIA_CHANGE); inc_diskseq(disk); - if (__invalidate_device(disk->part0, true)) - pr_warn("VFS: busy inodes on changed media %s\n", - disk->disk_name); + bdev_mark_dead(disk->part0, true); set_bit(GD_NEED_PART_SCAN, &disk->state); - return true; } EXPORT_SYMBOL_GPL(disk_force_media_change); diff --git a/block/elevator.c b/block/elevator.c index 8400e303fbcb..5ff093cb3cf8 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -499,6 +499,9 @@ void elv_unregister_queue(struct request_queue *q) int elv_register(struct elevator_type *e) { + /* finish request is mandatory */ + if (WARN_ON_ONCE(!e->ops.finish_request)) + return -EINVAL; /* insert_requests and dispatch_request are mandatory */ if (WARN_ON_ONCE(!e->ops.insert_requests || !e->ops.dispatch_request)) return -EINVAL; diff --git a/block/fops.c b/block/fops.c index a286bf3325c5..838ffada5341 100644 --- a/block/fops.c +++ b/block/fops.c @@ -358,13 +358,14 @@ static ssize_t __blkdev_direct_IO_async(struct kiocb *iocb, task_io_account_write(bio->bi_iter.bi_size); } + if (iocb->ki_flags & IOCB_NOWAIT) + bio->bi_opf |= REQ_NOWAIT; + if (iocb->ki_flags & IOCB_HIPRI) { - bio->bi_opf |= REQ_POLLED | REQ_NOWAIT; + bio->bi_opf |= REQ_POLLED; submit_bio(bio); WRITE_ONCE(iocb->private, bio); } else { - if (iocb->ki_flags & IOCB_NOWAIT) - bio->bi_opf |= REQ_NOWAIT; submit_bio(bio); } return -EIOCBQUEUED; diff --git a/block/genhd.c b/block/genhd.c index 3d287b32d50d..cc32a0c704eb 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -554,7 +554,7 @@ out_exit_elevator: } EXPORT_SYMBOL(device_add_disk); -static void blk_report_disk_dead(struct gendisk *disk) +static void blk_report_disk_dead(struct gendisk *disk, bool surprise) { struct block_device *bdev; unsigned long idx; @@ -565,10 +565,7 @@ static void blk_report_disk_dead(struct gendisk *disk) continue; rcu_read_unlock(); - mutex_lock(&bdev->bd_holder_lock); - if (bdev->bd_holder_ops && bdev->bd_holder_ops->mark_dead) - bdev->bd_holder_ops->mark_dead(bdev); - mutex_unlock(&bdev->bd_holder_lock); + bdev_mark_dead(bdev, surprise); put_device(&bdev->bd_device); rcu_read_lock(); @@ -576,14 +573,7 @@ static void blk_report_disk_dead(struct gendisk *disk) rcu_read_unlock(); } -/** - * blk_mark_disk_dead - mark a disk as dead - * @disk: disk to mark as dead - * - * Mark as disk as dead (e.g. surprise removed) and don't accept any new I/O - * to this disk. - */ -void blk_mark_disk_dead(struct gendisk *disk) +static void __blk_mark_disk_dead(struct gendisk *disk) { /* * Fail any new I/O. @@ -603,8 +593,19 @@ void blk_mark_disk_dead(struct gendisk *disk) * Prevent new I/O from crossing bio_queue_enter(). */ blk_queue_start_drain(disk->queue); +} - blk_report_disk_dead(disk); +/** + * blk_mark_disk_dead - mark a disk as dead + * @disk: disk to mark as dead + * + * Mark as disk as dead (e.g. surprise removed) and don't accept any new I/O + * to this disk. + */ +void blk_mark_disk_dead(struct gendisk *disk) +{ + __blk_mark_disk_dead(disk); + blk_report_disk_dead(disk, true); } EXPORT_SYMBOL_GPL(blk_mark_disk_dead); @@ -641,18 +642,20 @@ void del_gendisk(struct gendisk *disk) disk_del_events(disk); /* - * Prevent new openers by unlinked the bdev inode, and write out - * dirty data before marking the disk dead and stopping all I/O. + * Prevent new openers by unlinked the bdev inode. */ mutex_lock(&disk->open_mutex); - xa_for_each(&disk->part_tbl, idx, part) { + xa_for_each(&disk->part_tbl, idx, part) remove_inode_hash(part->bd_inode); - fsync_bdev(part); - __invalidate_device(part, true); - } mutex_unlock(&disk->open_mutex); - blk_mark_disk_dead(disk); + /* + * Tell the file system to write back all dirty data and shut down if + * it hasn't been notified earlier. + */ + if (!test_bit(GD_DEAD, &disk->state)) + blk_report_disk_dead(disk, false); + __blk_mark_disk_dead(disk); /* * Drop all partitions now that the disk is marked dead. diff --git a/block/ioctl.c b/block/ioctl.c index 3be11941fb2d..648670ddb164 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -364,7 +364,14 @@ static int blkdev_flushbuf(struct block_device *bdev, unsigned cmd, { if (!capable(CAP_SYS_ADMIN)) return -EACCES; - fsync_bdev(bdev); + + mutex_lock(&bdev->bd_holder_lock); + if (bdev->bd_holder_ops && bdev->bd_holder_ops->sync) + bdev->bd_holder_ops->sync(bdev); + else + sync_blockdev(bdev); + mutex_unlock(&bdev->bd_holder_lock); + invalidate_bdev(bdev); return 0; } diff --git a/block/partitions/core.c b/block/partitions/core.c index 13a7341299a9..e137a87f4db0 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -281,10 +281,7 @@ static void delete_partition(struct block_device *part) * looked up any more even when openers still hold references. */ remove_inode_hash(part->bd_inode); - - fsync_bdev(part); - __invalidate_device(part, true); - + bdev_mark_dead(part, false); drop_partition(part); } diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 06b15b9f661c..10efb56d8b48 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -1241,6 +1241,8 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags, return -ENOMEM; } + rsgl->sgl.need_unpin = + iov_iter_extract_will_pin(&msg->msg_iter); rsgl->sgl.sgt.sgl = rsgl->sgl.sgl; rsgl->sgl.sgt.nents = 0; rsgl->sgl.sgt.orig_nents = 0; @@ -1255,8 +1257,6 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags, } sg_mark_end(rsgl->sgl.sgt.sgl + rsgl->sgl.sgt.nents - 1); - rsgl->sgl.need_unpin = - iov_iter_extract_will_pin(&msg->msg_iter); /* chain the new scatterlist with previous one */ if (areq->last_rsgl) diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c index 52b339aefadc..9967fcfa27ec 100644 --- a/drivers/accel/ivpu/ivpu_gem.c +++ b/drivers/accel/ivpu/ivpu_gem.c @@ -173,6 +173,9 @@ static void internal_free_pages_locked(struct ivpu_bo *bo) { unsigned int i, npages = bo->base.size >> PAGE_SHIFT; + if (ivpu_bo_cache_mode(bo) != DRM_IVPU_BO_CACHED) + set_pages_array_wb(bo->pages, bo->base.size >> PAGE_SHIFT); + for (i = 0; i < npages; i++) put_page(bo->pages[i]); @@ -587,6 +590,11 @@ ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 fla if (ivpu_bo_cache_mode(bo) != DRM_IVPU_BO_CACHED) drm_clflush_pages(bo->pages, bo->base.size >> PAGE_SHIFT); + if (bo->flags & DRM_IVPU_BO_WC) + set_pages_array_wc(bo->pages, bo->base.size >> PAGE_SHIFT); + else if (bo->flags & DRM_IVPU_BO_UNCACHED) + set_pages_array_uc(bo->pages, bo->base.size >> PAGE_SHIFT); + prot = ivpu_bo_pgprot(bo, PAGE_KERNEL); bo->kvaddr = vmap(bo->pages, bo->base.size >> PAGE_SHIFT, VM_MAP, prot); if (!bo->kvaddr) { diff --git a/drivers/accel/qaic/qaic_control.c b/drivers/accel/qaic/qaic_control.c index cfbc92da426f..388abd40024b 100644 --- a/drivers/accel/qaic/qaic_control.c +++ b/drivers/accel/qaic/qaic_control.c @@ -392,18 +392,31 @@ static int find_and_map_user_pages(struct qaic_device *qdev, struct qaic_manage_trans_dma_xfer *in_trans, struct ioctl_resources *resources, struct dma_xfer *xfer) { + u64 xfer_start_addr, remaining, end, total; unsigned long need_pages; struct page **page_list; unsigned long nr_pages; struct sg_table *sgt; - u64 xfer_start_addr; int ret; int i; - xfer_start_addr = in_trans->addr + resources->xferred_dma_size; + if (check_add_overflow(in_trans->addr, resources->xferred_dma_size, &xfer_start_addr)) + return -EINVAL; - need_pages = DIV_ROUND_UP(in_trans->size + offset_in_page(xfer_start_addr) - - resources->xferred_dma_size, PAGE_SIZE); + if (in_trans->size < resources->xferred_dma_size) + return -EINVAL; + remaining = in_trans->size - resources->xferred_dma_size; + if (remaining == 0) + return 0; + + if (check_add_overflow(xfer_start_addr, remaining, &end)) + return -EINVAL; + + total = remaining + offset_in_page(xfer_start_addr); + if (total >= SIZE_MAX) + return -EINVAL; + + need_pages = DIV_ROUND_UP(total, PAGE_SIZE); nr_pages = need_pages; @@ -435,7 +448,7 @@ static int find_and_map_user_pages(struct qaic_device *qdev, ret = sg_alloc_table_from_pages(sgt, page_list, nr_pages, offset_in_page(xfer_start_addr), - in_trans->size - resources->xferred_dma_size, GFP_KERNEL); + remaining, GFP_KERNEL); if (ret) { ret = -ENOMEM; goto free_sgt; @@ -566,9 +579,6 @@ static int encode_dma(struct qaic_device *qdev, void *trans, struct wrapper_list QAIC_MANAGE_EXT_MSG_LENGTH) return -ENOMEM; - if (in_trans->addr + in_trans->size < in_trans->addr || !in_trans->size) - return -EINVAL; - xfer = kmalloc(sizeof(*xfer), GFP_KERNEL); if (!xfer) return -ENOMEM; diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c index e9a1cb779b30..6b6d981a71be 100644 --- a/drivers/accel/qaic/qaic_data.c +++ b/drivers/accel/qaic/qaic_data.c @@ -1021,6 +1021,7 @@ int qaic_attach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_fi bo->dbc = dbc; srcu_read_unlock(&dbc->ch_lock, rcu_id); drm_gem_object_put(obj); + kfree(slice_ent); srcu_read_unlock(&qdev->dev_lock, qdev_rcu_id); srcu_read_unlock(&usr->qddev_lock, usr_rcu_id); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 1dd8d5aebf67..32cfa3f4efd3 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -470,6 +470,49 @@ static const struct dmi_system_id asus_laptop[] = { { } }; +static const struct dmi_system_id tongfang_gm_rg[] = { + { + .ident = "TongFang GMxRGxx/XMG CORE 15 (M22)/TUXEDO Stellaris 15 Gen4 AMD", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxRGxx"), + }, + }, + { } +}; + +static const struct dmi_system_id maingear_laptop[] = { + { + .ident = "MAINGEAR Vector Pro 2 15", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro Electronics Inc"), + DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-15A3070T"), + } + }, + { + .ident = "MAINGEAR Vector Pro 2 17", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro Electronics Inc"), + DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-17A3070T"), + }, + }, + { } +}; + +static const struct dmi_system_id pcspecialist_laptop[] = { + { + .ident = "PCSpecialist Elimina Pro 16 M", + /* + * Some models have product-name "Elimina Pro 16 M", + * others "GM6BGEQ". Match on board-name to match both. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "PCSpecialist"), + DMI_MATCH(DMI_BOARD_NAME, "GM6BGEQ"), + }, + }, + { } +}; + static const struct dmi_system_id lg_laptop[] = { { .ident = "LG Electronics 17U70P", @@ -493,6 +536,9 @@ struct irq_override_cmp { static const struct irq_override_cmp override_table[] = { { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false }, { asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false }, + { tongfang_gm_rg, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true }, + { maingear_laptop, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true }, + { pcspecialist_laptop, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true }, { lg_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false }, }; @@ -512,6 +558,28 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, return entry->override; } +#ifdef CONFIG_X86 + /* + * Always use the MADT override info, except for the i8042 PS/2 ctrl + * IRQs (1 and 12). For these the DSDT IRQ settings should sometimes + * be used otherwise PS/2 keyboards / mice will not work. + */ + if (gsi != 1 && gsi != 12) + return true; + + /* If the override comes from an INT_SRC_OVR MADT entry, honor it. */ + if (acpi_int_src_ovr[gsi]) + return true; + + /* + * IRQ override isn't needed on modern AMD Zen systems and + * this override breaks active low IRQs on AMD Ryzen 6000 and + * newer systems. Skip it. + */ + if (boot_cpu_has(X86_FEATURE_ZEN)) + return false; +#endif + return true; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 5b145f1aaa1b..87e385542576 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1714,6 +1714,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) {"BSG1160", }, {"BSG2150", }, {"CSC3551", }, + {"CSC3556", }, {"INT33FE", }, {"INT3515", }, /* Non-conforming _HID for Cirrus Logic already released */ diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 486c8271cab7..d720f93d8b19 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -6617,6 +6617,7 @@ err_init_binder_device_failed: err_alloc_device_names_failed: debugfs_remove_recursive(binder_debugfs_dir_entry_root); + binder_alloc_shrinker_exit(); return ret; } diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 662a2a2e2e84..e3db8297095a 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -1087,6 +1087,12 @@ int binder_alloc_shrinker_init(void) return ret; } +void binder_alloc_shrinker_exit(void) +{ + unregister_shrinker(&binder_shrinker); + list_lru_destroy(&binder_alloc_lru); +} + /** * check_buffer() - verify that buffer/offset is safe to access * @alloc: binder_alloc for this proc diff --git a/drivers/android/binder_alloc.h b/drivers/android/binder_alloc.h index 138d1d5af9ce..dc1e2b01dd64 100644 --- a/drivers/android/binder_alloc.h +++ b/drivers/android/binder_alloc.h @@ -129,6 +129,7 @@ extern struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc, int pid); extern void binder_alloc_init(struct binder_alloc *alloc); extern int binder_alloc_shrinker_init(void); +extern void binder_alloc_shrinker_exit(void); extern void binder_alloc_vma_close(struct binder_alloc *alloc); extern struct binder_buffer * binder_alloc_prepare_to_free(struct binder_alloc *alloc, diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index 76e7d6676657..faebe9f5412a 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -153,7 +153,7 @@ static int binderfs_binder_device_create(struct inode *ref_inode, goto err; inode->i_ino = minor + INODE_OFFSET; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); init_special_inode(inode, S_IFCHR | 0600, MKDEV(MAJOR(binderfs_dev), minor)); inode->i_fop = &binder_fops; @@ -432,7 +432,7 @@ static int binderfs_binder_ctl_create(struct super_block *sb) } inode->i_ino = SECOND_INODE; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); init_special_inode(inode, S_IFCHR | 0600, MKDEV(MAJOR(binderfs_dev), minor)); inode->i_fop = &binder_ctl_fops; @@ -474,7 +474,7 @@ static struct inode *binderfs_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_ino = iunique(sb, BINDERFS_MAX_MINOR + INODE_OFFSET); ret->i_mode = mode; - ret->i_atime = ret->i_mtime = ret->i_ctime = current_time(ret); + ret->i_atime = ret->i_mtime = inode_set_ctime_current(ret); } return ret; } @@ -703,7 +703,7 @@ static int binderfs_fill_super(struct super_block *sb, struct fs_context *fc) inode->i_ino = FIRST_INODE; inode->i_fop = &simple_dir_operations; inode->i_mode = S_IFDIR | 0755; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_op = &binderfs_dir_inode_operations; set_nlink(inode, 2); diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index c1815b9dae68..fe6690ecf563 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -509,73 +509,30 @@ static void __init cpu_dev_register_generic(void) } #ifdef CONFIG_GENERIC_CPU_VULNERABILITIES - -ssize_t __weak cpu_show_meltdown(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_spectre_v1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_spectre_v2(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_spec_store_bypass(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_l1tf(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_mds(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_tsx_async_abort(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_itlb_multihit(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_srbds(struct device *dev, +static ssize_t cpu_show_not_affected(struct device *dev, struct device_attribute *attr, char *buf) { return sysfs_emit(buf, "Not affected\n"); } -ssize_t __weak cpu_show_mmio_stale_data(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} - -ssize_t __weak cpu_show_retbleed(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sysfs_emit(buf, "Not affected\n"); -} +#define CPU_SHOW_VULN_FALLBACK(func) \ + ssize_t cpu_show_##func(struct device *, \ + struct device_attribute *, char *) \ + __attribute__((weak, alias("cpu_show_not_affected"))) + +CPU_SHOW_VULN_FALLBACK(meltdown); +CPU_SHOW_VULN_FALLBACK(spectre_v1); +CPU_SHOW_VULN_FALLBACK(spectre_v2); +CPU_SHOW_VULN_FALLBACK(spec_store_bypass); +CPU_SHOW_VULN_FALLBACK(l1tf); +CPU_SHOW_VULN_FALLBACK(mds); +CPU_SHOW_VULN_FALLBACK(tsx_async_abort); +CPU_SHOW_VULN_FALLBACK(itlb_multihit); +CPU_SHOW_VULN_FALLBACK(srbds); +CPU_SHOW_VULN_FALLBACK(mmio_stale_data); +CPU_SHOW_VULN_FALLBACK(retbleed); +CPU_SHOW_VULN_FALLBACK(spec_rstack_overflow); +CPU_SHOW_VULN_FALLBACK(gds); static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL); @@ -588,6 +545,8 @@ static DEVICE_ATTR(itlb_multihit, 0444, cpu_show_itlb_multihit, NULL); static DEVICE_ATTR(srbds, 0444, cpu_show_srbds, NULL); static DEVICE_ATTR(mmio_stale_data, 0444, cpu_show_mmio_stale_data, NULL); static DEVICE_ATTR(retbleed, 0444, cpu_show_retbleed, NULL); +static DEVICE_ATTR(spec_rstack_overflow, 0444, cpu_show_spec_rstack_overflow, NULL); +static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL); static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_meltdown.attr, @@ -601,6 +560,8 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_srbds.attr, &dev_attr_mmio_stale_data.attr, &dev_attr_retbleed.attr, + &dev_attr_spec_rstack_overflow.attr, + &dev_attr_gather_data_sampling.attr, NULL }; diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index e460c9799d9f..2b98114a9fe0 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -1547,7 +1547,6 @@ static int fd_locked_ioctl(struct block_device *bdev, blk_mode_t mode, rel_fdc(); return -EBUSY; } - fsync_bdev(bdev); if (fd_motor_on(drive) == 0) { rel_fdc(); return -ENODEV; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 2db9b186b977..ea4eb88a2e45 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3255,7 +3255,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, if (!disk || ITYPE(drive_state[cnt].fd_device) != type) continue; - __invalidate_device(disk->part0, true); + disk_force_media_change(disk); } mutex_unlock(&open_lock); } else { diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 637c5bda2387..9f2d412fc560 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -603,7 +603,7 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, goto out_err; /* and ... switch */ - disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); + disk_force_media_change(lo->lo_disk); blk_mq_freeze_queue(lo->lo_queue); mapping_set_gfp_mask(old_file->f_mapping, lo->old_gfp_mask); lo->lo_backing_file = file; @@ -1067,7 +1067,7 @@ static int loop_configure(struct loop_device *lo, blk_mode_t mode, /* suppress uevents while reconfiguring the device */ dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 1); - disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); + disk_force_media_change(lo->lo_disk); set_disk_ro(lo->lo_disk, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0); lo->use_dio = lo->lo_flags & LO_FLAGS_DIRECT_IO; @@ -1171,7 +1171,7 @@ static void __loop_clr_fd(struct loop_device *lo, bool release) if (!release) blk_mq_unfreeze_queue(lo->lo_queue); - disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); + disk_force_media_change(lo->lo_disk); if (lo->lo_flags & LO_FLAGS_PARTSCAN) { int err; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 8576d696c7a2..42e0159bb258 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1434,12 +1434,10 @@ static int nbd_start_device_ioctl(struct nbd_device *nbd) return ret; } -static void nbd_clear_sock_ioctl(struct nbd_device *nbd, - struct block_device *bdev) +static void nbd_clear_sock_ioctl(struct nbd_device *nbd) { + blk_mark_disk_dead(nbd->disk); nbd_clear_sock(nbd); - __invalidate_device(bdev, true); - nbd_bdev_reset(nbd); if (test_and_clear_bit(NBD_RT_HAS_CONFIG_REF, &nbd->config->runtime_flags)) nbd_config_put(nbd); @@ -1465,7 +1463,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, case NBD_DISCONNECT: return nbd_disconnect(nbd); case NBD_CLEAR_SOCK: - nbd_clear_sock_ioctl(nbd, bdev); + nbd_clear_sock_ioctl(nbd); return 0; case NBD_SET_SOCK: return nbd_add_socket(nbd, arg, false); diff --git a/drivers/block/rnbd/rnbd-clt-sysfs.c b/drivers/block/rnbd/rnbd-clt-sysfs.c index c36d8b1ceeed..39887556cf95 100644 --- a/drivers/block/rnbd/rnbd-clt-sysfs.c +++ b/drivers/block/rnbd/rnbd-clt-sysfs.c @@ -25,7 +25,7 @@ static struct device *rnbd_dev; static const struct class rnbd_dev_class = { - .name = "rnbd_client", + .name = "rnbd-client", }; static struct kobject *rnbd_devs_kobj; diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 5676e6dd5b16..06673c6ca255 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1870,15 +1870,16 @@ static void zram_bio_discard(struct zram *zram, struct bio *bio) static void zram_bio_read(struct zram *zram, struct bio *bio) { - struct bvec_iter iter; - struct bio_vec bv; - unsigned long start_time; + unsigned long start_time = bio_start_io_acct(bio); + struct bvec_iter iter = bio->bi_iter; - start_time = bio_start_io_acct(bio); - bio_for_each_segment(bv, bio, iter) { + do { u32 index = iter.bi_sector >> SECTORS_PER_PAGE_SHIFT; u32 offset = (iter.bi_sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; + struct bio_vec bv = bio_iter_iovec(bio, iter); + + bv.bv_len = min_t(u32, bv.bv_len, PAGE_SIZE - offset); if (zram_bvec_read(zram, &bv, index, offset, bio) < 0) { atomic64_inc(&zram->stats.failed_reads); @@ -1890,22 +1891,26 @@ static void zram_bio_read(struct zram *zram, struct bio *bio) zram_slot_lock(zram, index); zram_accessed(zram, index); zram_slot_unlock(zram, index); - } + + bio_advance_iter_single(bio, &iter, bv.bv_len); + } while (iter.bi_size); + bio_end_io_acct(bio, start_time); bio_endio(bio); } static void zram_bio_write(struct zram *zram, struct bio *bio) { - struct bvec_iter iter; - struct bio_vec bv; - unsigned long start_time; + unsigned long start_time = bio_start_io_acct(bio); + struct bvec_iter iter = bio->bi_iter; - start_time = bio_start_io_acct(bio); - bio_for_each_segment(bv, bio, iter) { + do { u32 index = iter.bi_sector >> SECTORS_PER_PAGE_SHIFT; u32 offset = (iter.bi_sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; + struct bio_vec bv = bio_iter_iovec(bio, iter); + + bv.bv_len = min_t(u32, bv.bv_len, PAGE_SIZE - offset); if (zram_bvec_write(zram, &bv, index, offset, bio) < 0) { atomic64_inc(&zram->stats.failed_writes); @@ -1916,7 +1921,10 @@ static void zram_bio_write(struct zram *zram, struct bio *bio) zram_slot_lock(zram, index); zram_accessed(zram, index); zram_slot_unlock(zram, index); - } + + bio_advance_iter_single(bio, &iter, bv.bv_len); + } while (iter.bi_size); + bio_end_io_acct(bio, start_time); bio_endio(bio); } diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 21fe9854703f..4cb23b9e06ea 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -2142,6 +2142,8 @@ static int sysc_reset(struct sysc *ddata) sysc_val = sysc_read_sysconfig(ddata); sysc_val |= sysc_mask; sysc_write(ddata, sysc_offset, sysc_val); + /* Flush posted write */ + sysc_val = sysc_read_sysconfig(ddata); } if (ddata->cfg.srst_udelay) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index cf5499e51999..ea6b4013bc38 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -510,70 +510,6 @@ static int tpm_add_legacy_sysfs(struct tpm_chip *chip) return 0; } -/* - * Some AMD fTPM versions may cause stutter - * https://www.amd.com/en/support/kb/faq/pa-410 - * - * Fixes are available in two series of fTPM firmware: - * 6.x.y.z series: 6.0.18.6 + - * 3.x.y.z series: 3.57.y.5 + - */ -#ifdef CONFIG_X86 -static bool tpm_amd_is_rng_defective(struct tpm_chip *chip) -{ - u32 val1, val2; - u64 version; - int ret; - - if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) - return false; - - ret = tpm_request_locality(chip); - if (ret) - return false; - - ret = tpm2_get_tpm_pt(chip, TPM2_PT_MANUFACTURER, &val1, NULL); - if (ret) - goto release; - if (val1 != 0x414D4400U /* AMD */) { - ret = -ENODEV; - goto release; - } - ret = tpm2_get_tpm_pt(chip, TPM2_PT_FIRMWARE_VERSION_1, &val1, NULL); - if (ret) - goto release; - ret = tpm2_get_tpm_pt(chip, TPM2_PT_FIRMWARE_VERSION_2, &val2, NULL); - -release: - tpm_relinquish_locality(chip); - - if (ret) - return false; - - version = ((u64)val1 << 32) | val2; - if ((version >> 48) == 6) { - if (version >= 0x0006000000180006ULL) - return false; - } else if ((version >> 48) == 3) { - if (version >= 0x0003005700000005ULL) - return false; - } else { - return false; - } - - dev_warn(&chip->dev, - "AMD fTPM version 0x%llx causes system stutter; hwrng disabled\n", - version); - - return true; -} -#else -static inline bool tpm_amd_is_rng_defective(struct tpm_chip *chip) -{ - return false; -} -#endif /* CONFIG_X86 */ - static int tpm_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait) { struct tpm_chip *chip = container_of(rng, struct tpm_chip, hwrng); @@ -585,10 +521,20 @@ static int tpm_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait) return tpm_get_random(chip, data, max); } +static bool tpm_is_hwrng_enabled(struct tpm_chip *chip) +{ + if (!IS_ENABLED(CONFIG_HW_RANDOM_TPM)) + return false; + if (tpm_is_firmware_upgrade(chip)) + return false; + if (chip->flags & TPM_CHIP_FLAG_HWRNG_DISABLED) + return false; + return true; +} + static int tpm_add_hwrng(struct tpm_chip *chip) { - if (!IS_ENABLED(CONFIG_HW_RANDOM_TPM) || tpm_is_firmware_upgrade(chip) || - tpm_amd_is_rng_defective(chip)) + if (!tpm_is_hwrng_enabled(chip)) return 0; snprintf(chip->hwrng_name, sizeof(chip->hwrng_name), @@ -693,7 +639,7 @@ int tpm_chip_register(struct tpm_chip *chip) return 0; out_hwrng: - if (IS_ENABLED(CONFIG_HW_RANDOM_TPM) && !tpm_is_firmware_upgrade(chip)) + if (tpm_is_hwrng_enabled(chip)) hwrng_unregister(&chip->hwrng); out_ppi: tpm_bios_log_teardown(chip); @@ -718,8 +664,7 @@ EXPORT_SYMBOL_GPL(tpm_chip_register); void tpm_chip_unregister(struct tpm_chip *chip) { tpm_del_legacy_sysfs(chip); - if (IS_ENABLED(CONFIG_HW_RANDOM_TPM) && !tpm_is_firmware_upgrade(chip) && - !tpm_amd_is_rng_defective(chip)) + if (tpm_is_hwrng_enabled(chip)) hwrng_unregister(&chip->hwrng); tpm_bios_log_teardown(chip); if (chip->flags & TPM_CHIP_FLAG_TPM2 && !tpm_is_firmware_upgrade(chip)) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 1a5d09b18513..9eb1a1859012 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -463,6 +463,28 @@ static bool crb_req_canceled(struct tpm_chip *chip, u8 status) return (cancel & CRB_CANCEL_INVOKE) == CRB_CANCEL_INVOKE; } +static int crb_check_flags(struct tpm_chip *chip) +{ + u32 val; + int ret; + + ret = crb_request_locality(chip, 0); + if (ret) + return ret; + + ret = tpm2_get_tpm_pt(chip, TPM2_PT_MANUFACTURER, &val, NULL); + if (ret) + goto release; + + if (val == 0x414D4400U /* AMD */) + chip->flags |= TPM_CHIP_FLAG_HWRNG_DISABLED; + +release: + crb_relinquish_locality(chip, 0); + + return ret; +} + static const struct tpm_class_ops tpm_crb = { .flags = TPM_OPS_AUTO_STARTUP, .status = crb_status, @@ -800,6 +822,14 @@ static int crb_acpi_add(struct acpi_device *device) chip->acpi_dev_handle = device->handle; chip->flags = TPM_CHIP_FLAG_TPM2; + rc = tpm_chip_bootstrap(chip); + if (rc) + goto out; + + rc = crb_check_flags(chip); + if (rc) + goto out; + rc = tpm_chip_register(chip); out: diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index cc42cf3de960..7fa3d91042b2 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -89,7 +89,7 @@ static inline void tpm_tis_iowrite32(u32 b, void __iomem *iobase, u32 addr) tpm_tis_flush(iobase); } -static int interrupts = -1; +static int interrupts; module_param(interrupts, int, 0444); MODULE_PARM_DESC(interrupts, "Enable interrupts"); @@ -164,10 +164,26 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = { }, { .callback = tpm_tis_disable_irq, + .ident = "ThinkStation P620", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkStation P620"), + }, + }, + { + .callback = tpm_tis_disable_irq, + .ident = "TUXEDO InfinityBook S 15/17 Gen7", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"), + DMI_MATCH(DMI_PRODUCT_NAME, "TUXEDO InfinityBook S 15/17 Gen7"), + }, + }, + { + .callback = tpm_tis_disable_irq, .ident = "UPX-TGL", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), - DMI_MATCH(DMI_PRODUCT_VERSION, "UPX-TGL"), + DMI_MATCH(DMI_PRODUCT_NAME, "UPX-TGL01"), }, }, {} diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c index 4fb4fd4b06bd..737aa70e2cb3 100644 --- a/drivers/clk/clk-devres.c +++ b/drivers/clk/clk-devres.c @@ -205,18 +205,19 @@ EXPORT_SYMBOL(devm_clk_put); struct clk *devm_get_clk_from_child(struct device *dev, struct device_node *np, const char *con_id) { - struct clk **ptr, *clk; + struct devm_clk_state *state; + struct clk *clk; - ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) + state = devres_alloc(devm_clk_release, sizeof(*state), GFP_KERNEL); + if (!state) return ERR_PTR(-ENOMEM); clk = of_clk_get_by_name(np, con_id); if (!IS_ERR(clk)) { - *ptr = clk; - devres_add(dev, ptr); + state->clk = clk; + devres_add(dev, state); } else { - devres_free(ptr); + devres_free(state); } return clk; diff --git a/drivers/clk/keystone/syscon-clk.c b/drivers/clk/keystone/syscon-clk.c index d33f74119488..935d9a2d8c2b 100644 --- a/drivers/clk/keystone/syscon-clk.c +++ b/drivers/clk/keystone/syscon-clk.c @@ -151,8 +151,10 @@ static int ti_syscon_gate_clk_probe(struct platform_device *pdev) data[i].name); } - return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, - hw_data); + if (num_clks == 1) + return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, + hw_data->hws[0]); + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, hw_data); } #define TI_SYSCON_CLK_GATE(_name, _offset, _bit_idx) \ diff --git a/drivers/counter/Kconfig b/drivers/counter/Kconfig index bca21df51168..62962ae84b77 100644 --- a/drivers/counter/Kconfig +++ b/drivers/counter/Kconfig @@ -3,13 +3,6 @@ # Counter devices # -menuconfig COUNTER - tristate "Counter support" - help - This enables counter device support through the Generic Counter - interface. You only need to enable this, if you also want to enable - one or more of the counter device drivers below. - config I8254 tristate select COUNTER @@ -25,6 +18,13 @@ config I8254 If built as a module its name will be i8254. +menuconfig COUNTER + tristate "Counter support" + help + This enables counter device support through the Generic Counter + interface. You only need to enable this, if you also want to enable + one or more of the counter device drivers below. + if COUNTER config 104_QUAD_8 diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 81fba0dcbee9..9a1e194d5cf8 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1012,8 +1012,8 @@ static int amd_pstate_update_status(const char *buf, size_t size) return 0; } -static ssize_t show_status(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) +static ssize_t status_show(struct device *dev, + struct device_attribute *attr, char *buf) { ssize_t ret; @@ -1024,7 +1024,7 @@ static ssize_t show_status(struct kobject *kobj, return ret; } -static ssize_t store_status(struct kobject *a, struct kobj_attribute *b, +static ssize_t status_store(struct device *a, struct device_attribute *b, const char *buf, size_t count) { char *p = memchr(buf, '\n', count); @@ -1043,7 +1043,7 @@ cpufreq_freq_attr_ro(amd_pstate_lowest_nonlinear_freq); cpufreq_freq_attr_ro(amd_pstate_highest_perf); cpufreq_freq_attr_rw(energy_performance_preference); cpufreq_freq_attr_ro(energy_performance_available_preferences); -define_one_global_rw(status); +static DEVICE_ATTR_RW(status); static struct freq_attr *amd_pstate_attr[] = { &amd_pstate_max_freq, @@ -1062,7 +1062,7 @@ static struct freq_attr *amd_pstate_epp_attr[] = { }; static struct attribute *pstate_global_attributes[] = { - &status.attr, + &dev_attr_status.attr, NULL }; diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c index c2d6d9c3c930..b88af1262f1a 100644 --- a/drivers/cpuidle/cpuidle-psci-domain.c +++ b/drivers/cpuidle/cpuidle-psci-domain.c @@ -120,20 +120,6 @@ static void psci_pd_remove(void) } } -static bool psci_pd_try_set_osi_mode(void) -{ - int ret; - - if (!psci_has_osi_support()) - return false; - - ret = psci_set_osi_mode(true); - if (ret) - return false; - - return true; -} - static void psci_cpuidle_domain_sync_state(struct device *dev) { /* @@ -152,15 +138,12 @@ static int psci_cpuidle_domain_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device_node *node; - bool use_osi; + bool use_osi = psci_has_osi_support(); int ret = 0, pd_count = 0; if (!np) return -ENODEV; - /* If OSI mode is supported, let's try to enable it. */ - use_osi = psci_pd_try_set_osi_mode(); - /* * Parse child nodes for the "#power-domain-cells" property and * initialize a genpd/genpd-of-provider pair when it's found. @@ -170,33 +153,37 @@ static int psci_cpuidle_domain_probe(struct platform_device *pdev) continue; ret = psci_pd_init(node, use_osi); - if (ret) - goto put_node; + if (ret) { + of_node_put(node); + goto exit; + } pd_count++; } /* Bail out if not using the hierarchical CPU topology. */ if (!pd_count) - goto no_pd; + return 0; /* Link genpd masters/subdomains to model the CPU topology. */ ret = dt_idle_pd_init_topology(np); if (ret) goto remove_pd; + /* let's try to enable OSI. */ + ret = psci_set_osi_mode(use_osi); + if (ret) + goto remove_pd; + pr_info("Initialized CPU PM domain topology using %s mode\n", use_osi ? "OSI" : "PC"); return 0; -put_node: - of_node_put(node); remove_pd: + dt_idle_pd_remove_topology(np); psci_pd_remove(); +exit: pr_err("failed to create CPU PM domains ret=%d\n", ret); -no_pd: - if (use_osi) - psci_set_osi_mode(false); return ret; } diff --git a/drivers/cpuidle/dt_idle_genpd.c b/drivers/cpuidle/dt_idle_genpd.c index b37165514d4e..1af63c189039 100644 --- a/drivers/cpuidle/dt_idle_genpd.c +++ b/drivers/cpuidle/dt_idle_genpd.c @@ -152,6 +152,30 @@ int dt_idle_pd_init_topology(struct device_node *np) return 0; } +int dt_idle_pd_remove_topology(struct device_node *np) +{ + struct device_node *node; + struct of_phandle_args child, parent; + int ret; + + for_each_child_of_node(np, node) { + if (of_parse_phandle_with_args(node, "power-domains", + "#power-domain-cells", 0, &parent)) + continue; + + child.np = node; + child.args_count = 0; + ret = of_genpd_remove_subdomain(&parent, &child); + of_node_put(parent.np); + if (ret) { + of_node_put(node); + return ret; + } + } + + return 0; +} + struct device *dt_idle_attach_cpu(int cpu, const char *name) { struct device *dev; diff --git a/drivers/cpuidle/dt_idle_genpd.h b/drivers/cpuidle/dt_idle_genpd.h index a95483d08a02..3be1f70f55b5 100644 --- a/drivers/cpuidle/dt_idle_genpd.h +++ b/drivers/cpuidle/dt_idle_genpd.h @@ -14,6 +14,8 @@ struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np, int dt_idle_pd_init_topology(struct device_node *np); +int dt_idle_pd_remove_topology(struct device_node *np); + struct device *dt_idle_attach_cpu(int cpu, const char *name); void dt_idle_detach_cpu(struct device *dev); @@ -36,6 +38,11 @@ static inline int dt_idle_pd_init_topology(struct device_node *np) return 0; } +static inline int dt_idle_pd_remove_topology(struct device_node *np) +{ + return 0; +} + static inline struct device *dt_idle_attach_cpu(int cpu, const char *name) { return NULL; diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index ff9ddbbca377..68e73775392d 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -382,8 +382,8 @@ static void kick_trng(struct device *dev, int ent_delay) val = ent_delay; /* min. freq. count, equal to 1/4 of the entropy sample length */ wr_reg32(&r4tst->rtfrqmin, val >> 2); - /* max. freq. count, equal to 16 times the entropy sample length */ - wr_reg32(&r4tst->rtfrqmax, val << 4); + /* disable maximum frequency count */ + wr_reg32(&r4tst->rtfrqmax, RTFRQMAX_DISABLE); } wr_reg32(&r4tst->rtsdctl, (val << RTSDCTL_ENT_DLY_SHIFT) | diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index 63f0aeb66db6..f0a35277fd84 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -191,6 +191,7 @@ static const struct dma_fence_ops timeline_fence_ops = { */ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) { + LIST_HEAD(signalled); struct sync_pt *pt, *next; trace_sync_timeline(obj); @@ -203,21 +204,20 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) if (!timeline_fence_signaled(&pt->base)) break; - list_del_init(&pt->link); + dma_fence_get(&pt->base); + + list_move_tail(&pt->link, &signalled); rb_erase(&pt->node, &obj->pt_tree); - /* - * A signal callback may release the last reference to this - * fence, causing it to be freed. That operation has to be - * last to avoid a use after free inside this loop, and must - * be after we remove the fence from the timeline in order to - * prevent deadlocking on timeline->lock inside - * timeline_fence_release(). - */ dma_fence_signal_locked(&pt->base); } spin_unlock_irq(&obj->lock); + + list_for_each_entry_safe(pt, next, &signalled, link) { + list_del_init(&pt->link); + dma_fence_put(&pt->base); + } } /** diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 644c188d6a11..08fdd0e2ed1b 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -211,6 +211,7 @@ config FSL_DMA config FSL_EDMA tristate "Freescale eDMA engine support" depends on OF + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help @@ -280,6 +281,7 @@ config IMX_SDMA config INTEL_IDMA64 tristate "Intel integrated DMA 64-bit support" + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index 5abbcc61c528..9a15f0d12c79 100644 --- a/drivers/dma/idxd/device.c +++ b/drivers/dma/idxd/device.c @@ -384,9 +384,7 @@ static void idxd_wq_disable_cleanup(struct idxd_wq *wq) wq->threshold = 0; wq->priority = 0; wq->enqcmds_retries = IDXD_ENQCMDS_RETRIES; - clear_bit(WQ_FLAG_DEDICATED, &wq->flags); - clear_bit(WQ_FLAG_BLOCK_ON_FAULT, &wq->flags); - clear_bit(WQ_FLAG_ATS_DISABLE, &wq->flags); + wq->flags = 0; memset(wq->name, 0, WQ_NAME_SIZE); wq->max_xfer_bytes = WQ_DEFAULT_MAX_XFER; idxd_wq_set_max_batch_size(idxd->data->type, wq, WQ_DEFAULT_MAX_BATCH); diff --git a/drivers/dma/mcf-edma.c b/drivers/dma/mcf-edma.c index ebd8733f72ad..9413fad08a60 100644 --- a/drivers/dma/mcf-edma.c +++ b/drivers/dma/mcf-edma.c @@ -190,7 +190,13 @@ static int mcf_edma_probe(struct platform_device *pdev) return -EINVAL; } - chans = pdata->dma_channels; + if (!pdata->dma_channels) { + dev_info(&pdev->dev, "setting default channel number to 64"); + chans = 64; + } else { + chans = pdata->dma_channels; + } + len = sizeof(*mcf_edma) + sizeof(*mcf_chan) * chans; mcf_edma = devm_kzalloc(&pdev->dev, len, GFP_KERNEL); if (!mcf_edma) @@ -202,11 +208,6 @@ static int mcf_edma_probe(struct platform_device *pdev) mcf_edma->drvdata = &mcf_data; mcf_edma->big_endian = 1; - if (!mcf_edma->n_chans) { - dev_info(&pdev->dev, "setting default channel number to 64"); - mcf_edma->n_chans = 64; - } - mutex_init(&mcf_edma->fsl_edma_mutex); mcf_edma->membase = devm_platform_ioremap_resource(pdev, 0); diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 95a462a1f511..b6e0ac8314e5 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -192,7 +192,7 @@ struct owl_dma_pchan { }; /** - * struct owl_dma_pchan - Wrapper for DMA ENGINE channel + * struct owl_dma_vchan - Wrapper for DMA ENGINE channel * @vc: wrapped virtual channel * @pchan: the physical channel utilized by this channel * @txd: active transaction on this channel diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index b4731fe6bbc1..3cf0b38387ae 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -404,6 +404,12 @@ enum desc_status { */ BUSY, /* + * Pause was called while descriptor was BUSY. Due to hardware + * limitations, only termination is possible for descriptors + * that have been paused. + */ + PAUSED, + /* * Sitting on the channel work_list but xfer done * by PL330 core */ @@ -2041,7 +2047,7 @@ static inline void fill_queue(struct dma_pl330_chan *pch) list_for_each_entry(desc, &pch->work_list, node) { /* If already submitted */ - if (desc->status == BUSY) + if (desc->status == BUSY || desc->status == PAUSED) continue; ret = pl330_submit_req(pch->thread, desc); @@ -2326,6 +2332,7 @@ static int pl330_pause(struct dma_chan *chan) { struct dma_pl330_chan *pch = to_pchan(chan); struct pl330_dmac *pl330 = pch->dmac; + struct dma_pl330_desc *desc; unsigned long flags; pm_runtime_get_sync(pl330->ddma.dev); @@ -2335,6 +2342,10 @@ static int pl330_pause(struct dma_chan *chan) _stop(pch->thread); spin_unlock(&pl330->lock); + list_for_each_entry(desc, &pch->work_list, node) { + if (desc->status == BUSY) + desc->status = PAUSED; + } spin_unlock_irqrestore(&pch->lock, flags); pm_runtime_mark_last_busy(pl330->ddma.dev); pm_runtime_put_autosuspend(pl330->ddma.dev); @@ -2425,7 +2436,7 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, else if (running && desc == running) transferred = pl330_get_current_xferred_count(pch, desc); - else if (desc->status == BUSY) + else if (desc->status == BUSY || desc->status == PAUSED) /* * Busy but not running means either just enqueued, * or finished and not yet marked done @@ -2442,6 +2453,9 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, case DONE: ret = DMA_COMPLETE; break; + case PAUSED: + ret = DMA_PAUSED; + break; case PREP: case BUSY: ret = DMA_IN_PROGRESS; diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 93ee298d52b8..e0bfd129d563 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -668,6 +668,8 @@ static int xdma_set_vector_reg(struct xdma_device *xdev, u32 vec_tbl_start, val |= irq_start << shift; irq_start++; irq_num--; + if (!irq_num) + break; } /* write IRQ register */ @@ -715,7 +717,7 @@ static int xdma_irq_init(struct xdma_device *xdev) ret = request_irq(irq, xdma_channel_isr, 0, "xdma-c2h-channel", &xdev->c2h_chans[j]); if (ret) { - xdma_err(xdev, "H2C channel%d request irq%d failed: %d", + xdma_err(xdev, "C2H channel%d request irq%d failed: %d", j, irq, ret); goto failed_init_c2h; } @@ -892,7 +894,7 @@ static int xdma_probe(struct platform_device *pdev) } reg_base = devm_ioremap_resource(&pdev->dev, res); - if (!reg_base) { + if (IS_ERR(reg_base)) { xdma_err(xdev, "ioremap failed"); goto failed; } diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index 8b49b0abacd5..533d81572579 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -291,6 +291,15 @@ static void gpio_sim_mutex_destroy(void *data) mutex_destroy(lock); } +static void gpio_sim_dispose_mappings(void *data) +{ + struct gpio_sim_chip *chip = data; + unsigned int i; + + for (i = 0; i < chip->gc.ngpio; i++) + irq_dispose_mapping(irq_find_mapping(chip->irq_sim, i)); +} + static void gpio_sim_sysfs_remove(void *data) { struct gpio_sim_chip *chip = data; @@ -402,10 +411,14 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev) if (!chip->pull_map) return -ENOMEM; - chip->irq_sim = devm_irq_domain_create_sim(dev, NULL, num_lines); + chip->irq_sim = devm_irq_domain_create_sim(dev, swnode, num_lines); if (IS_ERR(chip->irq_sim)) return PTR_ERR(chip->irq_sim); + ret = devm_add_action_or_reset(dev, gpio_sim_dispose_mappings, chip); + if (ret) + return ret; + mutex_init(&chip->lock); ret = devm_add_action_or_reset(dev, gpio_sim_mutex_destroy, &chip->lock); @@ -429,6 +442,7 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev) gc->set_config = gpio_sim_set_config; gc->to_irq = gpio_sim_to_irq; gc->free = gpio_sim_free; + gc->can_sleep = true; ret = devm_gpiochip_add_data(dev, gc, chip); if (ret) diff --git a/drivers/gpio/gpio-ws16c48.c b/drivers/gpio/gpio-ws16c48.c index e73885a4dc32..afb42a8e916f 100644 --- a/drivers/gpio/gpio-ws16c48.c +++ b/drivers/gpio/gpio-ws16c48.c @@ -18,7 +18,7 @@ #include <linux/spinlock.h> #include <linux/types.h> -#define WS16C48_EXTENT 10 +#define WS16C48_EXTENT 11 #define MAX_NUM_WS16C48 max_num_isa_dev(WS16C48_EXTENT) static unsigned int base[MAX_NUM_WS16C48]; diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index 530dfd19d7b5..50503a4525eb 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -515,8 +515,9 @@ static ssize_t unexport_store(const struct class *class, * they may be undone on its behalf too. */ if (test_and_clear_bit(FLAG_SYSFS, &desc->flags)) { - status = 0; + gpiod_unexport(desc); gpiod_free(desc); + status = 0; } done: if (status) @@ -781,8 +782,10 @@ void gpiochip_sysfs_unregister(struct gpio_device *gdev) mutex_unlock(&sysfs_lock); /* unregister gpiod class devices owned by sysfs */ - for_each_gpio_desc_with_flag(chip, desc, FLAG_SYSFS) + for_each_gpio_desc_with_flag(chip, desc, FLAG_SYSFS) { + gpiod_unexport(desc); gpiod_free(desc); + } } static int __init gpiolib_sysfs_init(void) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 251c875b5c34..76e0c38026c3 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2167,12 +2167,18 @@ static bool gpiod_free_commit(struct gpio_desc *desc) void gpiod_free(struct gpio_desc *desc) { - if (desc && desc->gdev && gpiod_free_commit(desc)) { - module_put(desc->gdev->owner); - gpio_device_put(desc->gdev); - } else { + /* + * We must not use VALIDATE_DESC_VOID() as the underlying gdev->chip + * may already be NULL but we still want to put the references. + */ + if (!desc) + return; + + if (!gpiod_free_commit(desc)) WARN_ON(extra_checks); - } + + module_put(desc->gdev->owner); + gpio_device_put(desc->gdev); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index a3b86b86dc47..6dc950c1b689 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1296,6 +1296,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, void amdgpu_device_pci_config_reset(struct amdgpu_device *adev); int amdgpu_device_pci_reset(struct amdgpu_device *adev); bool amdgpu_device_need_post(struct amdgpu_device *adev); +bool amdgpu_sg_display_supported(struct amdgpu_device *adev); bool amdgpu_device_pcie_dynamic_switching_supported(void); bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev); bool amdgpu_device_aspm_support_quirk(void); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 040f4cb6ab2d..fb78a8f47587 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -295,7 +295,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p, if (!p->gang_size) { ret = -EINVAL; - goto free_partial_kdata; + goto free_all_kdata; } for (i = 0; i < p->gang_size; ++i) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a2cdde0ca0a7..6238701cde23 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1459,6 +1459,32 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) } /* + * On APUs with >= 64GB white flickering has been observed w/ SG enabled. + * Disable S/G on such systems until we have a proper fix. + * https://gitlab.freedesktop.org/drm/amd/-/issues/2354 + * https://gitlab.freedesktop.org/drm/amd/-/issues/2735 + */ +bool amdgpu_sg_display_supported(struct amdgpu_device *adev) +{ + switch (amdgpu_sg_display) { + case -1: + break; + case 0: + return false; + case 1: + return true; + default: + return false; + } + if ((totalram_pages() << (PAGE_SHIFT - 10)) + + (adev->gmc.real_vram_size / 1024) >= 64000000) { + DRM_WARN("Disabling S/G due to >=64GB RAM\n"); + return false; + } + return true; +} + +/* * Intel hosts such as Raptor Lake and Sapphire Rapids don't support dynamic * speed switching. Until we have confirmation from Intel that a specific host * supports it, it's safer that we keep it disabled for all. @@ -3696,10 +3722,11 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) { if (amdgpu_mcbp == 1) adev->gfx.mcbp = true; - - if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) && - (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) && - adev->gfx.num_gfx_rings) + else if (amdgpu_mcbp == 0) + adev->gfx.mcbp = false; + else if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) && + (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) && + adev->gfx.num_gfx_rings) adev->gfx.mcbp = true; if (amdgpu_sriov_vf(adev)) @@ -4367,6 +4394,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true); cancel_delayed_work_sync(&adev->delayed_init_work); + flush_delayed_work(&adev->gfx.gfx_off_delay_work); amdgpu_ras_suspend(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index c694b41f6461..7537f5aa76f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -552,6 +552,41 @@ int amdgpu_fence_driver_sw_init(struct amdgpu_device *adev) } /** + * amdgpu_fence_need_ring_interrupt_restore - helper function to check whether + * fence driver interrupts need to be restored. + * + * @ring: ring that to be checked + * + * Interrupts for rings that belong to GFX IP don't need to be restored + * when the target power state is s0ix. + * + * Return true if need to restore interrupts, false otherwise. + */ +static bool amdgpu_fence_need_ring_interrupt_restore(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + bool is_gfx_power_domain = false; + + switch (ring->funcs->type) { + case AMDGPU_RING_TYPE_SDMA: + /* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */ + if (adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 0, 0)) + is_gfx_power_domain = true; + break; + case AMDGPU_RING_TYPE_GFX: + case AMDGPU_RING_TYPE_COMPUTE: + case AMDGPU_RING_TYPE_KIQ: + case AMDGPU_RING_TYPE_MES: + is_gfx_power_domain = true; + break; + default: + break; + } + + return !(adev->in_s0ix && is_gfx_power_domain); +} + +/** * amdgpu_fence_driver_hw_fini - tear down the fence driver * for all possible rings. * @@ -579,7 +614,8 @@ void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev) amdgpu_fence_driver_force_completion(ring); if (!drm_dev_is_unplugged(adev_to_drm(adev)) && - ring->fence_drv.irq_src) + ring->fence_drv.irq_src && + amdgpu_fence_need_ring_interrupt_restore(ring)) amdgpu_irq_put(adev, ring->fence_drv.irq_src, ring->fence_drv.irq_type); @@ -655,7 +691,8 @@ void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev) continue; /* enable the interrupt */ - if (ring->fence_drv.irq_src) + if (ring->fence_drv.irq_src && + amdgpu_fence_need_ring_interrupt_restore(ring)) amdgpu_irq_get(adev, ring->fence_drv.irq_src, ring->fence_drv.irq_type); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index a33d4bc34cee..fd81b04559d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -692,15 +692,8 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable) if (adev->gfx.gfx_off_req_count == 0 && !adev->gfx.gfx_off_state) { - /* If going to s2idle, no need to wait */ - if (adev->in_s0ix) { - if (!amdgpu_dpm_set_powergating_by_smu(adev, - AMD_IP_BLOCK_TYPE_GFX, true)) - adev->gfx.gfx_off_state = true; - } else { - schedule_delayed_work(&adev->gfx.gfx_off_delay_work, + schedule_delayed_work(&adev->gfx.gfx_off_delay_work, delay); - } } } else { if (adev->gfx.gfx_off_req_count == 0) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c index b779ee4bbaa7..e1ee1c7117fb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c @@ -397,7 +397,7 @@ void amdgpu_sw_ring_ib_begin(struct amdgpu_ring *ring) struct amdgpu_ring_mux *mux = &adev->gfx.muxer; WARN_ON(!ring->is_sw_ring); - if (ring->hw_prio > AMDGPU_RING_PRIO_DEFAULT) { + if (adev->gfx.mcbp && ring->hw_prio > AMDGPU_RING_PRIO_DEFAULT) { if (amdgpu_mcbp_scan(mux) > 0) amdgpu_mcbp_trigger_preempt(mux); return; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 9c9cca129498..565a1fa436d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -239,8 +239,13 @@ static int amdgpu_xcp_dev_alloc(struct amdgpu_device *adev) for (i = 1; i < MAX_XCP; i++) { ret = amdgpu_xcp_drm_dev_alloc(&p_ddev); - if (ret) + if (ret == -ENOSPC) { + dev_warn(adev->dev, + "Skip xcp node #%d when out of drm node resource.", i); + return 0; + } else if (ret) { return ret; + } /* Redirect all IOCTLs to the primary device */ adev->xcp_mgr->xcp[i].rdev = p_ddev->render->dev; @@ -328,6 +333,9 @@ int amdgpu_xcp_dev_register(struct amdgpu_device *adev, return 0; for (i = 1; i < MAX_XCP; i++) { + if (!adev->xcp_mgr->xcp[i].ddev) + break; + ret = drm_dev_register(adev->xcp_mgr->xcp[i].ddev, ent->driver_data); if (ret) return ret; @@ -345,6 +353,9 @@ void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev) return; for (i = 1; i < MAX_XCP; i++) { + if (!adev->xcp_mgr->xcp[i].ddev) + break; + p_ddev = adev->xcp_mgr->xcp[i].ddev; drm_dev_unplug(p_ddev); p_ddev->render->dev = adev->xcp_mgr->xcp[i].rdev; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 3a7af59e83ca..0451533ddde4 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -471,8 +471,12 @@ static void gfx_v11_0_check_fw_cp_gfx_shadow(struct amdgpu_device *adev) case IP_VERSION(11, 0, 3): if ((adev->gfx.me_fw_version >= 1505) && (adev->gfx.pfp_fw_version >= 1600) && - (adev->gfx.mec_fw_version >= 512)) - adev->gfx.cp_gfx_shadow = true; + (adev->gfx.mec_fw_version >= 512)) { + if (amdgpu_sriov_vf(adev)) + adev->gfx.cp_gfx_shadow = true; + else + adev->gfx.cp_gfx_shadow = false; + } break; default: adev->gfx.cp_gfx_shadow = false; diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index e1a392bcea70..af5685f4cb34 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -137,14 +137,15 @@ static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) int ret; int retry_loop; + /* Wait for bootloader to signify that it is ready having bit 31 of + * C2PMSG_35 set to 1. All other bits are expected to be cleared. + * If there is an error in processing command, bits[7:0] will be set. + * This is applicable for PSP v13.0.6 and newer. + */ for (retry_loop = 0; retry_loop < 10; retry_loop++) { - /* Wait for bootloader to signify that is - ready having bit 31 of C2PMSG_35 set to 1 */ - ret = psp_wait_for(psp, - SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), - 0x80000000, - 0x80000000, - false); + ret = psp_wait_for( + psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), + 0x80000000, 0xffffffff, false); if (ret == 0) return 0; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index 49f40d9f16e8..f5a6f562e2a8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -1543,11 +1543,7 @@ static bool kfd_ignore_crat(void) if (ignore_crat) return true; -#ifndef KFD_SUPPORT_IOMMU_V2 ret = true; -#else - ret = false; -#endif return ret; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 0b3dc754e06b..a53e0757fe64 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -194,11 +194,6 @@ static void kfd_device_info_init(struct kfd_dev *kfd, kfd_device_info_set_event_interrupt_class(kfd); - /* Raven */ - if (gc_version == IP_VERSION(9, 1, 0) || - gc_version == IP_VERSION(9, 2, 2)) - kfd->device_info.needs_iommu_device = true; - if (gc_version < IP_VERSION(11, 0, 0)) { /* Navi2x+, Navi1x+ */ if (gc_version == IP_VERSION(10, 3, 6)) @@ -233,10 +228,6 @@ static void kfd_device_info_init(struct kfd_dev *kfd, asic_type != CHIP_TONGA) kfd->device_info.supports_cwsr = true; - if (asic_type == CHIP_KAVERI || - asic_type == CHIP_CARRIZO) - kfd->device_info.needs_iommu_device = true; - if (asic_type != CHIP_HAWAII && !vf) kfd->device_info.needs_pci_atomics = true; } @@ -249,7 +240,6 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf) uint32_t gfx_target_version = 0; switch (adev->asic_type) { -#ifdef KFD_SUPPORT_IOMMU_V2 #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_KAVERI: gfx_target_version = 70000; @@ -262,7 +252,6 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf) if (!vf) f2g = &gfx_v8_kfd2kgd; break; -#endif #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_HAWAII: gfx_target_version = 70001; @@ -298,7 +287,6 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf) gfx_target_version = 90000; f2g = &gfx_v9_kfd2kgd; break; -#ifdef KFD_SUPPORT_IOMMU_V2 /* Raven */ case IP_VERSION(9, 1, 0): case IP_VERSION(9, 2, 2): @@ -306,7 +294,6 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf) if (!vf) f2g = &gfx_v9_kfd2kgd; break; -#endif /* Vega12 */ case IP_VERSION(9, 2, 1): gfx_target_version = 90004; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 2df153828ff4..01192f5abe46 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -2538,18 +2538,12 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_node *dev) } switch (dev->adev->asic_type) { - case CHIP_CARRIZO: - device_queue_manager_init_vi(&dqm->asic_ops); - break; - case CHIP_KAVERI: - device_queue_manager_init_cik(&dqm->asic_ops); - break; - case CHIP_HAWAII: device_queue_manager_init_cik_hawaii(&dqm->asic_ops); break; + case CHIP_CARRIZO: case CHIP_TONGA: case CHIP_FIJI: case CHIP_POLARIS10: diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 61fc62f3e003..4a17bb7c7b27 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -1965,7 +1965,14 @@ int kfd_topology_add_device(struct kfd_node *gpu) const char *asic_name = amdgpu_asic_name[gpu->adev->asic_type]; gpu_id = kfd_generate_gpu_id(gpu); - pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); + if (gpu->xcp && !gpu->xcp->ddev) { + dev_warn(gpu->adev->dev, + "Won't add GPU (ID: 0x%x) to topology since it has no drm node assigned.", + gpu_id); + return 0; + } else { + pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); + } /* Check to see if this gpu device exists in the topology_device_list. * If so, assign the gpu to that device, diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 0fa739fd6a9c..e5554a36e8c8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1638,9 +1638,8 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) } break; } - if (init_data.flags.gpu_vm_support && - (amdgpu_sg_display == 0)) - init_data.flags.gpu_vm_support = false; + if (init_data.flags.gpu_vm_support) + init_data.flags.gpu_vm_support = amdgpu_sg_display_supported(adev); if (init_data.flags.gpu_vm_support) adev->mode_info.gpu_vm_support = true; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 9bc86deac9e8..b885c39bd16b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -1320,7 +1320,7 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, if (computed_streams[i]) continue; - if (!res_pool->funcs->remove_stream_from_ctx || + if (res_pool->funcs->remove_stream_from_ctx && res_pool->funcs->remove_stream_from_ctx(stream->ctx->dc, dc_state, stream) != DC_OK) return -EINVAL; diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 20d4d08a6a2f..6966420dfbac 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -777,7 +777,8 @@ void dce110_edp_wait_for_hpd_ready( dal_gpio_destroy_irq(&hpd); /* ensure that the panel is detected */ - ASSERT(edp_hpd_high); + if (!edp_hpd_high) + DC_LOG_DC("%s: wait timed out!\n", __func__); } void dce110_edp_power_control( diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 4cc8de2627ce..9f2e24398cd7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -712,7 +712,7 @@ static const struct dc_debug_options debug_defaults_drv = { .timing_trace = false, .clock_trace = true, .disable_pplib_clock_request = true, - .pipe_split_policy = MPC_SPLIT_DYNAMIC, + .pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP, .force_single_disp_pipe_split = false, .disable_dcc = DCC_ENABLE, .vsr_support = true, diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c index e5b7ef7422b8..50dc83404644 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c @@ -357,8 +357,11 @@ void dpp3_set_cursor_attributes( int cur_rom_en = 0; if (color_format == CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA || - color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA) - cur_rom_en = 1; + color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA) { + if (cursor_attributes->attribute_flags.bits.ENABLE_CURSOR_DEGAMMA) { + cur_rom_en = 1; + } + } REG_UPDATE_3(CURSOR0_CONTROL, CUR0_MODE, color_format, diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index ce41a8309582..222af2fae745 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1581,9 +1581,9 @@ static int smu_disable_dpms(struct smu_context *smu) /* * For SMU 13.0.4/11, PMFW will handle the features disablement properly - * for gpu reset case. Driver involvement is unnecessary. + * for gpu reset and S0i3 cases. Driver involvement is unnecessary. */ - if (amdgpu_in_reset(adev)) { + if (amdgpu_in_reset(adev) || adev->in_s0ix) { switch (adev->ip_versions[MP1_HWIP][0]) { case IP_VERSION(13, 0, 4): case IP_VERSION(13, 0, 11): diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 0cda3b276f61..f0800c0c5168 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -588,7 +588,9 @@ err0_out: return -ENOMEM; } -static uint32_t sienna_cichlid_get_throttler_status_locked(struct smu_context *smu) +static uint32_t sienna_cichlid_get_throttler_status_locked(struct smu_context *smu, + bool use_metrics_v3, + bool use_metrics_v2) { struct smu_table_context *smu_table= &smu->smu_table; SmuMetricsExternal_t *metrics_ext = @@ -596,13 +598,11 @@ static uint32_t sienna_cichlid_get_throttler_status_locked(struct smu_context *s uint32_t throttler_status = 0; int i; - if ((smu->adev->ip_versions[MP1_HWIP][0] == IP_VERSION(11, 0, 7)) && - (smu->smc_fw_version >= 0x3A4900)) { + if (use_metrics_v3) { for (i = 0; i < THROTTLER_COUNT; i++) throttler_status |= (metrics_ext->SmuMetrics_V3.ThrottlingPercentage[i] ? 1U << i : 0); - } else if ((smu->adev->ip_versions[MP1_HWIP][0] == IP_VERSION(11, 0, 7)) && - (smu->smc_fw_version >= 0x3A4300)) { + } else if (use_metrics_v2) { for (i = 0; i < THROTTLER_COUNT; i++) throttler_status |= (metrics_ext->SmuMetrics_V2.ThrottlingPercentage[i] ? 1U << i : 0); @@ -864,7 +864,7 @@ static int sienna_cichlid_get_smu_metrics_data(struct smu_context *smu, metrics->TemperatureVrSoc) * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; break; case METRICS_THROTTLER_STATUS: - *value = sienna_cichlid_get_throttler_status_locked(smu); + *value = sienna_cichlid_get_throttler_status_locked(smu, use_metrics_v3, use_metrics_v2); break; case METRICS_CURR_FANSPEED: *value = use_metrics_v3 ? metrics_v3->CurrFanSpeed : @@ -4017,7 +4017,7 @@ static ssize_t sienna_cichlid_get_gpu_metrics(struct smu_context *smu, gpu_metrics->current_dclk1 = use_metrics_v3 ? metrics_v3->CurrClock[PPCLK_DCLK_1] : use_metrics_v2 ? metrics_v2->CurrClock[PPCLK_DCLK_1] : metrics->CurrClock[PPCLK_DCLK_1]; - gpu_metrics->throttle_status = sienna_cichlid_get_throttler_status_locked(smu); + gpu_metrics->throttle_status = sienna_cichlid_get_throttler_status_locked(smu, use_metrics_v3, use_metrics_v2); gpu_metrics->indep_throttle_status = smu_cmn_get_indep_throttler_status(gpu_metrics->throttle_status, sienna_cichlid_throttler_map); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index 3d188616ba24..0fb6be11a0cc 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -332,10 +332,13 @@ static int smu_v13_0_0_check_powerplay_table(struct smu_context *smu) table_context->power_play_table; struct smu_baco_context *smu_baco = &smu->smu_baco; PPTable_t *pptable = smu->smu_table.driver_pptable; +#if 0 + PPTable_t *pptable = smu->smu_table.driver_pptable; const OverDriveLimits_t * const overdrive_upperlimits = &pptable->SkuTable.OverDriveLimitsBasicMax; const OverDriveLimits_t * const overdrive_lowerlimits = &pptable->SkuTable.OverDriveLimitsMin; +#endif if (powerplay_table->platform_caps & SMU_13_0_0_PP_PLATFORM_CAP_HARDWAREDC) smu->dc_controlled_by_gpio = true; @@ -347,18 +350,30 @@ static int smu_v13_0_0_check_powerplay_table(struct smu_context *smu) if (powerplay_table->platform_caps & SMU_13_0_0_PP_PLATFORM_CAP_MACO) smu_baco->maco_support = true; + /* + * We are in the transition to a new OD mechanism. + * Disable the OD feature support for SMU13 temporarily. + * TODO: get this reverted when new OD mechanism online + */ +#if 0 if (!overdrive_lowerlimits->FeatureCtrlMask || !overdrive_upperlimits->FeatureCtrlMask) smu->od_enabled = false; - table_context->thermal_controller_type = - powerplay_table->thermal_controller_type; - /* * Instead of having its own buffer space and get overdrive_table copied, * smu->od_settings just points to the actual overdrive_table */ smu->od_settings = &powerplay_table->overdrive_table; +#else + smu->od_enabled = false; +#endif + + table_context->thermal_controller_type = + powerplay_table->thermal_controller_type; + + smu->adev->pm.no_fan = + !(pptable->SkuTable.FeaturesToRun[0] & (1 << FEATURE_FAN_CONTROL_BIT)); return 0; } @@ -1140,7 +1155,6 @@ static int smu_v13_0_0_print_clk_levels(struct smu_context *smu, (OverDriveTableExternal_t *)smu->smu_table.overdrive_table; struct smu_13_0_dpm_table *single_dpm_table; struct smu_13_0_pcie_table *pcie_table; - const int link_width[] = {0, 1, 2, 4, 8, 12, 16}; uint32_t gen_speed, lane_width; int i, curr_freq, size = 0; int32_t min_value, max_value; @@ -1256,7 +1270,7 @@ static int smu_v13_0_0_print_clk_levels(struct smu_context *smu, (pcie_table->pcie_lane[i] == 6) ? "x16" : "", pcie_table->clk_freq[i], (gen_speed == DECODE_GEN_SPEED(pcie_table->pcie_gen[i])) && - (lane_width == DECODE_LANE_WIDTH(link_width[pcie_table->pcie_lane[i]])) ? + (lane_width == DECODE_LANE_WIDTH(pcie_table->pcie_lane[i])) ? "*" : ""); break; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 1ac552142763..dc6104a04dce 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -81,9 +81,10 @@ #define EPSILON 1 #define smnPCIE_ESM_CTRL 0x193D0 -#define smnPCIE_LC_LINK_WIDTH_CNTL 0x1ab40288 +#define smnPCIE_LC_LINK_WIDTH_CNTL 0x1a340288 #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK 0x00000070L #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT 0x4 +#define MAX_LINK_WIDTH 6 static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COUNT] = { MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 0), @@ -708,16 +709,19 @@ static int smu_v13_0_6_get_smu_metrics_data(struct smu_context *smu, *value = SMUQ10_TO_UINT(metrics->SocketPower) << 8; break; case METRICS_TEMPERATURE_HOTSPOT: - *value = SMUQ10_TO_UINT(metrics->MaxSocketTemperature); + *value = SMUQ10_TO_UINT(metrics->MaxSocketTemperature) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; break; case METRICS_TEMPERATURE_MEM: - *value = SMUQ10_TO_UINT(metrics->MaxHbmTemperature); + *value = SMUQ10_TO_UINT(metrics->MaxHbmTemperature) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; break; /* This is the max of all VRs and not just SOC VR. * No need to define another data type for the same. */ case METRICS_TEMPERATURE_VRSOC: - *value = SMUQ10_TO_UINT(metrics->MaxVrTemperature); + *value = SMUQ10_TO_UINT(metrics->MaxVrTemperature) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; break; default: *value = UINT_MAX; @@ -1966,6 +1970,7 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table struct amdgpu_device *adev = smu->adev; int ret = 0, inst0, xcc0; MetricsTable_t *metrics; + u16 link_width_level; inst0 = adev->sdma.instance[0].aid_id; xcc0 = GET_INST(GC, 0); @@ -1993,9 +1998,8 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table gpu_metrics->average_socket_power = SMUQ10_TO_UINT(metrics->SocketPower); - /* Energy is reported in 15.625mJ units */ - gpu_metrics->energy_accumulator = - SMUQ10_TO_UINT(metrics->SocketEnergyAcc); + /* Energy counter reported in 15.259uJ (2^-16) units */ + gpu_metrics->energy_accumulator = metrics->SocketEnergyAcc; gpu_metrics->current_gfxclk = SMUQ10_TO_UINT(metrics->GfxclkFrequency[xcc0]); @@ -2017,8 +2021,12 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table gpu_metrics->throttle_status = 0; if (!(adev->flags & AMD_IS_APU)) { + link_width_level = smu_v13_0_6_get_current_pcie_link_width_level(smu); + if (link_width_level > MAX_LINK_WIDTH) + link_width_level = 0; + gpu_metrics->pcie_link_width = - smu_v13_0_6_get_current_pcie_link_width_level(smu); + DECODE_LANE_WIDTH(link_width_level); gpu_metrics->pcie_link_speed = smu_v13_0_6_get_current_pcie_link_speed(smu); } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index b1f0937ccade..62f2886ab4df 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -323,10 +323,12 @@ static int smu_v13_0_7_check_powerplay_table(struct smu_context *smu) struct smu_baco_context *smu_baco = &smu->smu_baco; PPTable_t *smc_pptable = table_context->driver_pptable; BoardTable_t *BoardTable = &smc_pptable->BoardTable; +#if 0 const OverDriveLimits_t * const overdrive_upperlimits = &smc_pptable->SkuTable.OverDriveLimitsBasicMax; const OverDriveLimits_t * const overdrive_lowerlimits = &smc_pptable->SkuTable.OverDriveLimitsMin; +#endif if (powerplay_table->platform_caps & SMU_13_0_7_PP_PLATFORM_CAP_HARDWAREDC) smu->dc_controlled_by_gpio = true; @@ -338,18 +340,22 @@ static int smu_v13_0_7_check_powerplay_table(struct smu_context *smu) if (smu_baco->platform_support && (BoardTable->HsrEnabled || BoardTable->VddqOffEnabled)) smu_baco->maco_support = true; +#if 0 if (!overdrive_lowerlimits->FeatureCtrlMask || !overdrive_upperlimits->FeatureCtrlMask) smu->od_enabled = false; - table_context->thermal_controller_type = - powerplay_table->thermal_controller_type; - /* * Instead of having its own buffer space and get overdrive_table copied, * smu->od_settings just points to the actual overdrive_table */ smu->od_settings = &powerplay_table->overdrive_table; +#else + smu->od_enabled = false; +#endif + + table_context->thermal_controller_type = + powerplay_table->thermal_controller_type; return 0; } diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index 504d51c42f79..aadb396508c5 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -2517,9 +2517,11 @@ static irqreturn_t it6505_int_threaded_handler(int unused, void *data) }; int int_status[3], i; - if (it6505->enable_drv_hold || pm_runtime_get_if_in_use(dev) <= 0) + if (it6505->enable_drv_hold || !it6505->powered) return IRQ_HANDLED; + pm_runtime_get_sync(dev); + int_status[0] = it6505_read(it6505, INT_STATUS_01); int_status[1] = it6505_read(it6505, INT_STATUS_02); int_status[2] = it6505_read(it6505, INT_STATUS_03); diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index 5163e5224aad..9663601ce098 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -774,9 +774,7 @@ static struct mipi_dsi_device *lt9611_attach_dsi(struct lt9611 *lt9611, dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | - MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO_NO_HSA | - MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP | - MIPI_DSI_MODE_NO_EOT_PACKET; + MIPI_DSI_MODE_VIDEO_HSE; ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 043b8109e64a..73ec60757dbc 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1386,6 +1386,18 @@ static void samsung_dsim_disable_irq(struct samsung_dsim *dsi) disable_irq(dsi->irq); } +static void samsung_dsim_set_stop_state(struct samsung_dsim *dsi, bool enable) +{ + u32 reg = samsung_dsim_read(dsi, DSIM_ESCMODE_REG); + + if (enable) + reg |= DSIM_FORCE_STOP_STATE; + else + reg &= ~DSIM_FORCE_STOP_STATE; + + samsung_dsim_write(dsi, DSIM_ESCMODE_REG, reg); +} + static int samsung_dsim_init(struct samsung_dsim *dsi) { const struct samsung_dsim_driver_data *driver_data = dsi->driver_data; @@ -1445,15 +1457,12 @@ static void samsung_dsim_atomic_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { struct samsung_dsim *dsi = bridge_to_dsi(bridge); - u32 reg; if (samsung_dsim_hw_is_exynos(dsi->plat_data->hw_type)) { samsung_dsim_set_display_mode(dsi); samsung_dsim_set_display_enable(dsi, true); } else { - reg = samsung_dsim_read(dsi, DSIM_ESCMODE_REG); - reg &= ~DSIM_FORCE_STOP_STATE; - samsung_dsim_write(dsi, DSIM_ESCMODE_REG, reg); + samsung_dsim_set_stop_state(dsi, false); } dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE; @@ -1463,16 +1472,12 @@ static void samsung_dsim_atomic_disable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { struct samsung_dsim *dsi = bridge_to_dsi(bridge); - u32 reg; if (!(dsi->state & DSIM_STATE_ENABLED)) return; - if (!samsung_dsim_hw_is_exynos(dsi->plat_data->hw_type)) { - reg = samsung_dsim_read(dsi, DSIM_ESCMODE_REG); - reg |= DSIM_FORCE_STOP_STATE; - samsung_dsim_write(dsi, DSIM_ESCMODE_REG, reg); - } + if (!samsung_dsim_hw_is_exynos(dsi->plat_data->hw_type)) + samsung_dsim_set_stop_state(dsi, true); dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE; } @@ -1775,6 +1780,8 @@ static ssize_t samsung_dsim_host_transfer(struct mipi_dsi_host *host, if (ret) return ret; + samsung_dsim_set_stop_state(dsi, false); + ret = mipi_dsi_create_packet(&xfer.packet, msg); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index e0dbd9140726..1f470968ed14 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3456,6 +3456,10 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connecto connector->base.id, connector->name); return NULL; } + if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { + drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Composite sync not supported\n", + connector->base.id, connector->name); + } /* it is incorrect if hsync/vsync width is zero */ if (!hsync_pulse_width || !vsync_pulse_width) { @@ -3502,27 +3506,10 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connecto if (info->quirks & EDID_QUIRK_DETAILED_SYNC_PP) { mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC; } else { - switch (pt->misc & DRM_EDID_PT_SYNC_MASK) { - case DRM_EDID_PT_ANALOG_CSYNC: - case DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC: - drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Analog composite sync!\n", - connector->base.id, connector->name); - mode->flags |= DRM_MODE_FLAG_CSYNC | DRM_MODE_FLAG_NCSYNC; - break; - case DRM_EDID_PT_DIGITAL_CSYNC: - drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Digital composite sync!\n", - connector->base.id, connector->name); - mode->flags |= DRM_MODE_FLAG_CSYNC; - mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? - DRM_MODE_FLAG_PCSYNC : DRM_MODE_FLAG_NCSYNC; - break; - case DRM_EDID_PT_DIGITAL_SEPARATE_SYNC: - mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? - DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; - mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? - DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; - break; - } + mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? + DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; + mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? + DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; } set_size: diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 4ea6507a77e5..baaf0e0feb06 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -623,7 +623,13 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct int ret; if (obj->import_attach) { + /* Reset both vm_ops and vm_private_data, so we don't end up with + * vm_ops pointing to our implementation if the dma-buf backend + * doesn't set those fields. + */ vma->vm_private_data = NULL; + vma->vm_ops = NULL; + ret = dma_buf_mmap(obj->dma_buf, vma, 0); /* Drop the reference drm_gem_mmap_obj() acquired.*/ diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 2fb9bf901a2c..3f479483d7d8 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -262,6 +262,26 @@ static bool drm_kms_helper_enable_hpd(struct drm_device *dev) } #define DRM_OUTPUT_POLL_PERIOD (10*HZ) +static void reschedule_output_poll_work(struct drm_device *dev) +{ + unsigned long delay = DRM_OUTPUT_POLL_PERIOD; + + if (dev->mode_config.delayed_event) + /* + * FIXME: + * + * Use short (1s) delay to handle the initial delayed event. + * This delay should not be needed, but Optimus/nouveau will + * fail in a mysterious way if the delayed event is handled as + * soon as possible like it is done in + * drm_helper_probe_single_connector_modes() in case the poll + * was enabled before. + */ + delay = HZ; + + schedule_delayed_work(&dev->mode_config.output_poll_work, delay); +} + /** * drm_kms_helper_poll_enable - re-enable output polling. * @dev: drm_device @@ -279,37 +299,41 @@ static bool drm_kms_helper_enable_hpd(struct drm_device *dev) */ void drm_kms_helper_poll_enable(struct drm_device *dev) { - bool poll = false; - unsigned long delay = DRM_OUTPUT_POLL_PERIOD; - if (!dev->mode_config.poll_enabled || !drm_kms_helper_poll || dev->mode_config.poll_running) return; - poll = drm_kms_helper_enable_hpd(dev); - - if (dev->mode_config.delayed_event) { - /* - * FIXME: - * - * Use short (1s) delay to handle the initial delayed event. - * This delay should not be needed, but Optimus/nouveau will - * fail in a mysterious way if the delayed event is handled as - * soon as possible like it is done in - * drm_helper_probe_single_connector_modes() in case the poll - * was enabled before. - */ - poll = true; - delay = HZ; - } - - if (poll) - schedule_delayed_work(&dev->mode_config.output_poll_work, delay); + if (drm_kms_helper_enable_hpd(dev) || + dev->mode_config.delayed_event) + reschedule_output_poll_work(dev); dev->mode_config.poll_running = true; } EXPORT_SYMBOL(drm_kms_helper_poll_enable); +/** + * drm_kms_helper_poll_reschedule - reschedule the output polling work + * @dev: drm_device + * + * This function reschedules the output polling work, after polling for a + * connector has been enabled. + * + * Drivers must call this helper after enabling polling for a connector by + * setting %DRM_CONNECTOR_POLL_CONNECT / %DRM_CONNECTOR_POLL_DISCONNECT flags + * in drm_connector::polled. Note that after disabling polling by clearing these + * flags for a connector will stop the output polling work automatically if + * the polling is disabled for all other connectors as well. + * + * The function can be called only after polling has been enabled by calling + * drm_kms_helper_poll_init() / drm_kms_helper_poll_enable(). + */ +void drm_kms_helper_poll_reschedule(struct drm_device *dev) +{ + if (dev->mode_config.poll_running) + reschedule_output_poll_work(dev); +} +EXPORT_SYMBOL(drm_kms_helper_poll_reschedule); + static enum drm_connector_status drm_helper_probe_detect_ctx(struct drm_connector *connector, bool force) { diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index f0ee9bcf661d..b0c6a2a86f2f 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -662,10 +662,24 @@ static const struct intel_display_device_info xe_lpdp_display = { BIT(TRANSCODER_C) | BIT(TRANSCODER_D), }; +/* + * Separate detection for no display cases to keep the display id array simple. + * + * IVB Q requires subvendor and subdevice matching to differentiate from IVB D + * GT2 server. + */ +static bool has_no_display(struct pci_dev *pdev) +{ + static const struct pci_device_id ids[] = { + INTEL_IVB_Q_IDS(0), + {} + }; + + return pci_match_id(ids, pdev); +} + #undef INTEL_VGA_DEVICE -#undef INTEL_QUANTA_VGA_DEVICE #define INTEL_VGA_DEVICE(id, info) { id, info } -#define INTEL_QUANTA_VGA_DEVICE(info) { 0x16a, info } static const struct { u32 devid; @@ -690,7 +704,6 @@ static const struct { INTEL_IRONLAKE_M_IDS(&ilk_m_display), INTEL_SNB_D_IDS(&snb_display), INTEL_SNB_M_IDS(&snb_display), - INTEL_IVB_Q_IDS(NULL), /* must be first IVB in list */ INTEL_IVB_M_IDS(&ivb_display), INTEL_IVB_D_IDS(&ivb_display), INTEL_HSW_IDS(&hsw_display), @@ -775,6 +788,11 @@ intel_display_device_probe(struct drm_i915_private *i915, bool has_gmdid, if (has_gmdid) return probe_gmdid_display(i915, gmdid_ver, gmdid_rel, gmdid_step); + if (has_no_display(pdev)) { + drm_dbg_kms(&i915->drm, "Device doesn't have display\n"); + return &no_display; + } + for (i = 0; i < ARRAY_SIZE(intel_display_ids); i++) { if (intel_display_ids[i].devid == pdev->device) return intel_display_ids[i].info; diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 1160fa20433b..5eac7032bb5a 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -211,7 +211,7 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv) /* Enable polling and queue hotplug re-enabling. */ if (hpd_disabled) { - drm_kms_helper_poll_enable(&dev_priv->drm); + drm_kms_helper_poll_reschedule(&dev_priv->drm); mod_delayed_work(dev_priv->unordered_wq, &dev_priv->display.hotplug.reenable_work, msecs_to_jiffies(HPD_STORM_REENABLE_DELAY)); @@ -649,7 +649,7 @@ static void i915_hpd_poll_init_work(struct work_struct *work) drm_connector_list_iter_end(&conn_iter); if (enabled) - drm_kms_helper_poll_enable(&dev_priv->drm); + drm_kms_helper_poll_reschedule(&dev_priv->drm); mutex_unlock(&dev_priv->drm.mode_config.mutex); diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 21f92123c844..67e3aaf9b432 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -2752,7 +2752,7 @@ static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void) __drm_atomic_helper_connector_reset(&sdvo_connector->base.base, &conn_state->base.base); - INIT_LIST_HEAD(&sdvo_connector->base.panel.fixed_modes); + intel_panel_init_alloc(&sdvo_connector->base); return sdvo_connector; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index ee9f83af7cf6..477df260ae3a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -470,12 +470,19 @@ int intel_guc_slpc_set_ignore_eff_freq(struct intel_guc_slpc *slpc, bool val) ret = slpc_set_param(slpc, SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY, val); - if (ret) + if (ret) { guc_probe_error(slpc_to_guc(slpc), "Failed to set efficient freq(%d): %pe\n", val, ERR_PTR(ret)); - else + } else { slpc->ignore_eff_freq = val; + /* Set min to RPn when we disable efficient freq */ + if (val) + ret = slpc_set_param(slpc, + SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, + slpc->min_freq); + } + intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&slpc->lock); return ret; @@ -602,9 +609,8 @@ static int slpc_set_softlimits(struct intel_guc_slpc *slpc) return ret; if (!slpc->min_freq_softlimit) { - ret = intel_guc_slpc_get_min_freq(slpc, &slpc->min_freq_softlimit); - if (unlikely(ret)) - return ret; + /* Min softlimit is initialized to RPn */ + slpc->min_freq_softlimit = slpc->min_freq; slpc_to_gt(slpc)->defaults.min_freq = slpc->min_freq_softlimit; } else { return intel_guc_slpc_set_min_freq(slpc, @@ -755,6 +761,9 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) return ret; } + /* Set cached value of ignore efficient freq */ + intel_guc_slpc_set_ignore_eff_freq(slpc, slpc->ignore_eff_freq); + /* Revert SLPC min/max to softlimits if necessary */ ret = slpc_set_softlimits(slpc); if (unlikely(ret)) { @@ -765,9 +774,6 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) /* Set cached media freq ratio mode */ intel_guc_slpc_set_media_ratio_mode(slpc, slpc->media_ratio_mode); - /* Set cached value of ignore efficient freq */ - intel_guc_slpc_set_ignore_eff_freq(slpc, slpc->ignore_eff_freq); - return 0; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index ddd146265beb..fa70defcb5b2 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -26,6 +26,7 @@ * The kernel driver is only responsible for loading the HuC firmware and * triggering its security authentication. This is done differently depending * on the platform: + * * - older platforms (from Gen9 to most Gen12s): the load is performed via DMA * and the authentication via GuC * - DG2: load and authentication are both performed via GSC. @@ -33,6 +34,7 @@ * not-DG2 older platforms), while the authentication is done in 2-steps, * a first auth for clear-media workloads via GuC and a second one for all * workloads via GSC. + * * On platforms where the GuC does the authentication, to correctly do so the * HuC binary must be loaded before the GuC one. * Loading the HuC is optional; however, not using the HuC might negatively diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 0ad0c5885ec2..7d8671fdf447 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -443,7 +443,6 @@ static int i915_pcode_init(struct drm_i915_private *i915) static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); - struct pci_dev *root_pdev; int ret; if (i915_inject_probe_failure(dev_priv)) @@ -557,15 +556,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) intel_bw_init_hw(dev_priv); - /* - * FIXME: Temporary hammer to avoid freezing the machine on our DGFX - * This should be totally removed when we handle the pci states properly - * on runtime PM and on s2idle cases. - */ - root_pdev = pcie_find_root_port(pdev); - if (root_pdev) - pci_d3cold_disable(root_pdev); - return 0; err_opregion: @@ -591,7 +581,6 @@ err_perf: static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); - struct pci_dev *root_pdev; i915_perf_fini(dev_priv); @@ -599,10 +588,6 @@ static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) if (pdev->msi_enabled) pci_disable_msi(pdev); - - root_pdev = pcie_find_root_port(pdev); - if (root_pdev) - pci_d3cold_enable(root_pdev); } /** @@ -1517,6 +1502,8 @@ static int intel_runtime_suspend(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; + struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); + struct pci_dev *root_pdev; struct intel_gt *gt; int ret, i; @@ -1568,6 +1555,15 @@ static int intel_runtime_suspend(struct device *kdev) drm_err(&dev_priv->drm, "Unclaimed access detected prior to suspending\n"); + /* + * FIXME: Temporary hammer to avoid freezing the machine on our DGFX + * This should be totally removed when we handle the pci states properly + * on runtime PM. + */ + root_pdev = pcie_find_root_port(pdev); + if (root_pdev) + pci_d3cold_disable(root_pdev); + rpm->suspended = true; /* @@ -1606,6 +1602,8 @@ static int intel_runtime_resume(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; + struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); + struct pci_dev *root_pdev; struct intel_gt *gt; int ret, i; @@ -1619,6 +1617,11 @@ static int intel_runtime_resume(struct device *kdev) intel_opregion_notify_adapter(dev_priv, PCI_D0); rpm->suspended = false; + + root_pdev = pcie_find_root_port(pdev); + if (root_pdev) + pci_d3cold_enable(root_pdev); + if (intel_uncore_unclaimed_mmio(&dev_priv->uncore)) drm_dbg(&dev_priv->drm, "Unclaimed access during suspend, bios?\n"); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index f75c6f09dd2a..622f6eb9a8bf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -967,7 +967,7 @@ nouveau_connector_get_modes(struct drm_connector *connector) /* Determine display colour depth for everything except LVDS now, * DP requires this before mode_valid() is called. */ - if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS && nv_connector->native_mode) + if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) nouveau_connector_detect_depth(connector); /* Find the native mode if this is a digital panel, if we didn't @@ -1408,8 +1408,7 @@ nouveau_connector_create(struct drm_device *dev, ret = nvif_conn_ctor(&disp->disp, nv_connector->base.name, nv_connector->index, &nv_connector->conn); if (ret) { - kfree(nv_connector); - return ERR_PTR(ret); + goto drm_conn_err; } ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsHotplug", @@ -1426,8 +1425,7 @@ nouveau_connector_create(struct drm_device *dev, if (ret) { nvif_event_dtor(&nv_connector->hpd); nvif_conn_dtor(&nv_connector->conn); - kfree(nv_connector); - return ERR_PTR(ret); + goto drm_conn_err; } } } @@ -1475,4 +1473,9 @@ nouveau_connector_create(struct drm_device *dev, drm_connector_register(connector); return connector; + +drm_conn_err: + drm_connector_cleanup(connector); + kfree(nv_connector); + return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c index 40c8ea43c42f..b8ac66b4a2c4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c @@ -26,6 +26,8 @@ #include "head.h" #include "ior.h" +#include <drm/display/drm_dp.h> + #include <subdev/bios.h> #include <subdev/bios/init.h> #include <subdev/gpio.h> @@ -634,6 +636,50 @@ nvkm_dp_enable_supported_link_rates(struct nvkm_outp *outp) return outp->dp.rates != 0; } +/* XXX: This is a big fat hack, and this is just drm_dp_read_dpcd_caps() + * converted to work inside nvkm. This is a temporary holdover until we start + * passing the drm_dp_aux device through NVKM + */ +static int +nvkm_dp_read_dpcd_caps(struct nvkm_outp *outp) +{ + struct nvkm_i2c_aux *aux = outp->dp.aux; + u8 dpcd_ext[DP_RECEIVER_CAP_SIZE]; + int ret; + + ret = nvkm_rdaux(aux, DPCD_RC00_DPCD_REV, outp->dp.dpcd, DP_RECEIVER_CAP_SIZE); + if (ret < 0) + return ret; + + /* + * Prior to DP1.3 the bit represented by + * DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT was reserved. + * If it is set DP_DPCD_REV at 0000h could be at a value less than + * the true capability of the panel. The only way to check is to + * then compare 0000h and 2200h. + */ + if (!(outp->dp.dpcd[DP_TRAINING_AUX_RD_INTERVAL] & + DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT)) + return 0; + + ret = nvkm_rdaux(aux, DP_DP13_DPCD_REV, dpcd_ext, sizeof(dpcd_ext)); + if (ret < 0) + return ret; + + if (outp->dp.dpcd[DP_DPCD_REV] > dpcd_ext[DP_DPCD_REV]) { + OUTP_DBG(outp, "Extended DPCD rev less than base DPCD rev (%d > %d)\n", + outp->dp.dpcd[DP_DPCD_REV], dpcd_ext[DP_DPCD_REV]); + return 0; + } + + if (!memcmp(outp->dp.dpcd, dpcd_ext, sizeof(dpcd_ext))) + return 0; + + memcpy(outp->dp.dpcd, dpcd_ext, sizeof(dpcd_ext)); + + return 0; +} + void nvkm_dp_enable(struct nvkm_outp *outp, bool auxpwr) { @@ -689,7 +735,7 @@ nvkm_dp_enable(struct nvkm_outp *outp, bool auxpwr) memset(outp->dp.lttpr, 0x00, sizeof(outp->dp.lttpr)); } - if (!nvkm_rdaux(aux, DPCD_RC00_DPCD_REV, outp->dp.dpcd, sizeof(outp->dp.dpcd))) { + if (!nvkm_dp_read_dpcd_caps(outp)) { const u8 rates[] = { 0x1e, 0x14, 0x0a, 0x06, 0 }; const u8 *rate; int rate_max; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h index 00dbeda7e346..de161e7a04aa 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h @@ -117,6 +117,7 @@ void gk104_grctx_generate_r418800(struct gf100_gr *); extern const struct gf100_grctx_func gk110_grctx; void gk110_grctx_generate_r419eb0(struct gf100_gr *); +void gk110_grctx_generate_r419f78(struct gf100_gr *); extern const struct gf100_grctx_func gk110b_grctx; extern const struct gf100_grctx_func gk208_grctx; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c index 94233d0119df..52a234b1ef01 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c @@ -906,7 +906,9 @@ static void gk104_grctx_generate_r419f78(struct gf100_gr *gr) { struct nvkm_device *device = gr->base.engine.subdev.device; - nvkm_mask(device, 0x419f78, 0x00000001, 0x00000000); + + /* bit 3 set disables loads in fp helper invocations, we need it enabled */ + nvkm_mask(device, 0x419f78, 0x00000009, 0x00000000); } void diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c index 4391458e1fb2..3acdd9eeb74a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c @@ -820,6 +820,15 @@ gk110_grctx_generate_r419eb0(struct gf100_gr *gr) nvkm_mask(device, 0x419eb0, 0x00001000, 0x00001000); } +void +gk110_grctx_generate_r419f78(struct gf100_gr *gr) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + /* bit 3 set disables loads in fp helper invocations, we need it enabled */ + nvkm_mask(device, 0x419f78, 0x00000008, 0x00000000); +} + const struct gf100_grctx_func gk110_grctx = { .main = gf100_grctx_generate_main, @@ -854,4 +863,5 @@ gk110_grctx = { .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r418800 = gk104_grctx_generate_r418800, .r419eb0 = gk110_grctx_generate_r419eb0, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c index 7b9a34f9ec3c..5597e87624ac 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c @@ -103,4 +103,5 @@ gk110b_grctx = { .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r418800 = gk104_grctx_generate_r418800, .r419eb0 = gk110_grctx_generate_r419eb0, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c index c78d07a8bb7d..612656496541 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c @@ -568,4 +568,5 @@ gk208_grctx = { .dist_skip_table = gf117_grctx_generate_dist_skip_table, .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r418800 = gk104_grctx_generate_r418800, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c index beac66eb2a80..9906974ac3f0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c @@ -988,4 +988,5 @@ gm107_grctx = { .r406500 = gm107_grctx_generate_r406500, .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r419e00 = gm107_grctx_generate_r419e00, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c index 3b6c8100a242..a7775aa18541 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c @@ -206,19 +206,6 @@ tu102_gr_av_to_init_veid(struct nvkm_blob *blob, struct gf100_gr_pack **ppack) return gk20a_gr_av_to_init_(blob, 64, 0x00100000, ppack); } -int -tu102_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif) -{ - int ret; - - ret = gm200_gr_load(gr, ver, fwif); - if (ret) - return ret; - - return gk20a_gr_load_net(gr, "gr/", "sw_veid_bundle_init", ver, tu102_gr_av_to_init_veid, - &gr->bundle_veid); -} - static const struct gf100_gr_fwif tu102_gr_fwif[] = { { 0, gm200_gr_load, &tu102_gr, &gp108_gr_fecs_acr, &gp108_gr_gpccs_acr }, diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c index 8f4f137a2af6..213008499caa 100644 --- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c +++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c @@ -404,38 +404,30 @@ static int jdi_panel_add(struct jdi_panel *jdi) ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(jdi->supplies), jdi->supplies); - if (ret < 0) { - dev_err(dev, "failed to init regulator, ret=%d\n", ret); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, + "failed to init regulator, ret=%d\n", ret); jdi->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); if (IS_ERR(jdi->enable_gpio)) { - ret = PTR_ERR(jdi->enable_gpio); - dev_err(dev, "cannot get enable-gpio %d\n", ret); - return ret; + return dev_err_probe(dev, PTR_ERR(jdi->enable_gpio), + "cannot get enable-gpio %d\n", ret); } jdi->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(jdi->reset_gpio)) { - ret = PTR_ERR(jdi->reset_gpio); - dev_err(dev, "cannot get reset-gpios %d\n", ret); - return ret; - } + if (IS_ERR(jdi->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(jdi->reset_gpio), + "cannot get reset-gpios %d\n", ret); jdi->dcdc_en_gpio = devm_gpiod_get(dev, "dcdc-en", GPIOD_OUT_LOW); - if (IS_ERR(jdi->dcdc_en_gpio)) { - ret = PTR_ERR(jdi->dcdc_en_gpio); - dev_err(dev, "cannot get dcdc-en-gpio %d\n", ret); - return ret; - } + if (IS_ERR(jdi->dcdc_en_gpio)) + return dev_err_probe(dev, PTR_ERR(jdi->dcdc_en_gpio), + "cannot get dcdc-en-gpio %d\n", ret); jdi->backlight = drm_panel_create_dsi_backlight(jdi->dsi); - if (IS_ERR(jdi->backlight)) { - ret = PTR_ERR(jdi->backlight); - dev_err(dev, "failed to register backlight %d\n", ret); - return ret; - } + if (IS_ERR(jdi->backlight)) + return dev_err_probe(dev, PTR_ERR(jdi->backlight), + "failed to register backlight %d\n", ret); drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs, DRM_MODE_CONNECTOR_DSI); diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index aaba36b3a674..b38d0e95cd54 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -999,21 +999,21 @@ static const struct panel_desc auo_g104sn02 = { .connector_type = DRM_MODE_CONNECTOR_LVDS, }; -static const struct drm_display_mode auo_g121ean01_mode = { - .clock = 66700, - .hdisplay = 1280, - .hsync_start = 1280 + 58, - .hsync_end = 1280 + 58 + 8, - .htotal = 1280 + 58 + 8 + 70, - .vdisplay = 800, - .vsync_start = 800 + 6, - .vsync_end = 800 + 6 + 4, - .vtotal = 800 + 6 + 4 + 10, +static const struct display_timing auo_g121ean01_timing = { + .pixelclock = { 60000000, 74400000, 90000000 }, + .hactive = { 1280, 1280, 1280 }, + .hfront_porch = { 20, 50, 100 }, + .hback_porch = { 20, 50, 100 }, + .hsync_len = { 30, 100, 200 }, + .vactive = { 800, 800, 800 }, + .vfront_porch = { 2, 10, 25 }, + .vback_porch = { 2, 10, 25 }, + .vsync_len = { 4, 18, 50 }, }; static const struct panel_desc auo_g121ean01 = { - .modes = &auo_g121ean01_mode, - .num_modes = 1, + .timings = &auo_g121ean01_timing, + .num_timings = 1, .bpc = 8, .size = { .width = 261, diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index 58dfb15a8757..e78de99e9933 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -96,7 +96,7 @@ static int panfrost_read_speedbin(struct device *dev) * keep going without it; any other error means that we are * supposed to read the bin value, but we failed doing so. */ - if (ret != -ENOENT) { + if (ret != -ENOENT && ret != -EOPNOTSUPP) { DRM_DEV_ERROR(dev, "Cannot read speed-bin (%d).", ret); return ret; } diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index ea993d7162e8..307a890fde13 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -310,7 +310,7 @@ int qxl_gem_object_create_with_handle(struct qxl_device *qdev, u32 domain, size_t size, struct qxl_surface *surf, - struct qxl_bo **qobj, + struct drm_gem_object **gobj, uint32_t *handle); void qxl_gem_object_free(struct drm_gem_object *gobj); int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); diff --git a/drivers/gpu/drm/qxl/qxl_dumb.c b/drivers/gpu/drm/qxl/qxl_dumb.c index d636ba685451..17df5c7ccf69 100644 --- a/drivers/gpu/drm/qxl/qxl_dumb.c +++ b/drivers/gpu/drm/qxl/qxl_dumb.c @@ -34,6 +34,7 @@ int qxl_mode_dumb_create(struct drm_file *file_priv, { struct qxl_device *qdev = to_qxl(dev); struct qxl_bo *qobj; + struct drm_gem_object *gobj; uint32_t handle; int r; struct qxl_surface surf; @@ -62,11 +63,13 @@ int qxl_mode_dumb_create(struct drm_file *file_priv, r = qxl_gem_object_create_with_handle(qdev, file_priv, QXL_GEM_DOMAIN_CPU, - args->size, &surf, &qobj, + args->size, &surf, &gobj, &handle); if (r) return r; + qobj = gem_to_qxl_bo(gobj); qobj->is_dumb = true; + drm_gem_object_put(gobj); args->pitch = pitch; args->handle = handle; return 0; diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c index a08da0bd9098..fc5e3763c359 100644 --- a/drivers/gpu/drm/qxl/qxl_gem.c +++ b/drivers/gpu/drm/qxl/qxl_gem.c @@ -72,32 +72,41 @@ int qxl_gem_object_create(struct qxl_device *qdev, int size, return 0; } +/* + * If the caller passed a valid gobj pointer, it is responsible to call + * drm_gem_object_put() when it no longer needs to acess the object. + * + * If gobj is NULL, it is handled internally. + */ int qxl_gem_object_create_with_handle(struct qxl_device *qdev, struct drm_file *file_priv, u32 domain, size_t size, struct qxl_surface *surf, - struct qxl_bo **qobj, + struct drm_gem_object **gobj, uint32_t *handle) { - struct drm_gem_object *gobj; int r; + struct drm_gem_object *local_gobj; - BUG_ON(!qobj); BUG_ON(!handle); r = qxl_gem_object_create(qdev, size, 0, domain, false, false, surf, - &gobj); + &local_gobj); if (r) return -ENOMEM; - r = drm_gem_handle_create(file_priv, gobj, handle); + r = drm_gem_handle_create(file_priv, local_gobj, handle); if (r) return r; - /* drop reference from allocate - handle holds it now */ - *qobj = gem_to_qxl_bo(gobj); - drm_gem_object_put(gobj); + + if (gobj) + *gobj = local_gobj; + else + /* drop reference from allocate - handle holds it now */ + drm_gem_object_put(local_gobj); + return 0; } diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index 30f58b21372a..dd0f834d881c 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -38,7 +38,6 @@ int qxl_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_pr struct qxl_device *qdev = to_qxl(dev); struct drm_qxl_alloc *qxl_alloc = data; int ret; - struct qxl_bo *qobj; uint32_t handle; u32 domain = QXL_GEM_DOMAIN_VRAM; @@ -50,7 +49,7 @@ int qxl_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_pr domain, qxl_alloc->size, NULL, - &qobj, &handle); + NULL, &handle); if (ret) { DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); @@ -386,7 +385,6 @@ int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data, struct drm_file *fi { struct qxl_device *qdev = to_qxl(dev); struct drm_qxl_alloc_surf *param = data; - struct qxl_bo *qobj; int handle; int ret; int size, actual_stride; @@ -406,7 +404,7 @@ int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data, struct drm_file *fi QXL_GEM_DOMAIN_SURFACE, size, &surf, - &qobj, &handle); + NULL, &handle); if (ret) { DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index a530ecc4d207..bf34498c1b6d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -833,12 +833,12 @@ static int vop_plane_atomic_check(struct drm_plane *plane, * need align with 2 pixel. */ if (fb->format->is_yuv && ((new_plane_state->src.x1 >> 16) % 2)) { - DRM_ERROR("Invalid Source: Yuv format not support odd xpos\n"); + DRM_DEBUG_KMS("Invalid Source: Yuv format not support odd xpos\n"); return -EINVAL; } if (fb->format->is_yuv && new_plane_state->rotation & DRM_MODE_REFLECT_Y) { - DRM_ERROR("Invalid Source: Yuv format does not support this rotation\n"); + DRM_DEBUG_KMS("Invalid Source: Yuv format does not support this rotation\n"); return -EINVAL; } @@ -846,7 +846,7 @@ static int vop_plane_atomic_check(struct drm_plane *plane, struct vop *vop = to_vop(crtc); if (!vop->data->afbc) { - DRM_ERROR("vop does not support AFBC\n"); + DRM_DEBUG_KMS("vop does not support AFBC\n"); return -EINVAL; } @@ -855,15 +855,16 @@ static int vop_plane_atomic_check(struct drm_plane *plane, return ret; if (new_plane_state->src.x1 || new_plane_state->src.y1) { - DRM_ERROR("AFBC does not support offset display, xpos=%d, ypos=%d, offset=%d\n", - new_plane_state->src.x1, - new_plane_state->src.y1, fb->offsets[0]); + DRM_DEBUG_KMS("AFBC does not support offset display, " \ + "xpos=%d, ypos=%d, offset=%d\n", + new_plane_state->src.x1, new_plane_state->src.y1, + fb->offsets[0]); return -EINVAL; } if (new_plane_state->rotation && new_plane_state->rotation != DRM_MODE_ROTATE_0) { - DRM_ERROR("No rotation support in AFBC, rotation=%d\n", - new_plane_state->rotation); + DRM_DEBUG_KMS("No rotation support in AFBC, rotation=%d\n", + new_plane_state->rotation); return -EINVAL; } } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index 82094c137855..c43853597776 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -497,10 +497,9 @@ static int vmw_user_bo_synccpu_release(struct drm_file *filp, if (!(flags & drm_vmw_synccpu_allow_cs)) { atomic_dec(&vmw_bo->cpu_writers); } - ttm_bo_put(&vmw_bo->tbo); + vmw_user_bo_unref(vmw_bo); } - drm_gem_object_put(&vmw_bo->tbo.base); return ret; } @@ -540,8 +539,7 @@ int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, return ret; ret = vmw_user_bo_synccpu_grab(vbo, arg->flags); - vmw_bo_unreference(&vbo); - drm_gem_object_put(&vbo->tbo.base); + vmw_user_bo_unref(vbo); if (unlikely(ret != 0)) { if (ret == -ERESTARTSYS || ret == -EBUSY) return -EBUSY; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h index 50a836e70994..1d433fceed3d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h @@ -195,6 +195,14 @@ static inline struct vmw_bo *vmw_bo_reference(struct vmw_bo *buf) return buf; } +static inline void vmw_user_bo_unref(struct vmw_bo *vbo) +{ + if (vbo) { + ttm_bo_put(&vbo->tbo); + drm_gem_object_put(&vbo->tbo.base); + } +} + static inline struct vmw_bo *to_vmw_bo(struct drm_gem_object *gobj) { return container_of((gobj), struct vmw_bo, tbo.base); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 3810a9984a7f..58bfdf203eca 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -1513,4 +1513,16 @@ static inline bool vmw_has_fences(struct vmw_private *vmw) return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; } +static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, + u32 shader_type) +{ + SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; + + if (shader_model >= VMW_SM_5) + max_allowed = SVGA3D_SHADERTYPE_MAX; + else if (shader_model >= VMW_SM_4) + max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; + return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; +} + #endif diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 6b9aa2b4ef54..98e0723ca6f5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -1164,8 +1164,7 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv, } vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_MOB, VMW_BO_DOMAIN_MOB); ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo); - ttm_bo_put(&vmw_bo->tbo); - drm_gem_object_put(&vmw_bo->tbo.base); + vmw_user_bo_unref(vmw_bo); if (unlikely(ret != 0)) return ret; @@ -1221,8 +1220,7 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv, vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM, VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM); ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo); - ttm_bo_put(&vmw_bo->tbo); - drm_gem_object_put(&vmw_bo->tbo.base); + vmw_user_bo_unref(vmw_bo); if (unlikely(ret != 0)) return ret; @@ -1992,7 +1990,7 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv, cmd = container_of(header, typeof(*cmd), header); - if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) { + if (!vmw_shadertype_is_valid(VMW_SM_LEGACY, cmd->body.type)) { VMW_DEBUG_USER("Illegal shader type %u.\n", (unsigned int) cmd->body.type); return -EINVAL; @@ -2115,8 +2113,6 @@ vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv, SVGA3dCmdHeader *header) { VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetSingleConstantBuffer); - SVGA3dShaderType max_shader_num = has_sm5_context(dev_priv) ? - SVGA3D_NUM_SHADERTYPE : SVGA3D_NUM_SHADERTYPE_DX10; struct vmw_resource *res = NULL; struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context); @@ -2133,6 +2129,14 @@ vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv, if (unlikely(ret != 0)) return ret; + if (!vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type) || + cmd->body.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) { + VMW_DEBUG_USER("Illegal const buffer shader %u slot %u.\n", + (unsigned int) cmd->body.type, + (unsigned int) cmd->body.slot); + return -EINVAL; + } + binding.bi.ctx = ctx_node->ctx; binding.bi.res = res; binding.bi.bt = vmw_ctx_binding_cb; @@ -2141,14 +2145,6 @@ vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv, binding.size = cmd->body.sizeInBytes; binding.slot = cmd->body.slot; - if (binding.shader_slot >= max_shader_num || - binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) { - VMW_DEBUG_USER("Illegal const buffer shader %u slot %u.\n", - (unsigned int) cmd->body.type, - (unsigned int) binding.slot); - return -EINVAL; - } - vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot, binding.slot); @@ -2207,15 +2203,13 @@ static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv, { VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShaderResources) = container_of(header, typeof(*cmd), header); - SVGA3dShaderType max_allowed = has_sm5_context(dev_priv) ? - SVGA3D_SHADERTYPE_MAX : SVGA3D_SHADERTYPE_DX10_MAX; u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dShaderResourceViewId); if ((u64) cmd->body.startView + (u64) num_sr_view > (u64) SVGA3D_DX_MAX_SRVIEWS || - cmd->body.type >= max_allowed) { + !vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type)) { VMW_DEBUG_USER("Invalid shader binding.\n"); return -EINVAL; } @@ -2239,8 +2233,6 @@ static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv, SVGA3dCmdHeader *header) { VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShader); - SVGA3dShaderType max_allowed = has_sm5_context(dev_priv) ? - SVGA3D_SHADERTYPE_MAX : SVGA3D_SHADERTYPE_DX10_MAX; struct vmw_resource *res = NULL; struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context); struct vmw_ctx_bindinfo_shader binding; @@ -2251,8 +2243,7 @@ static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv, cmd = container_of(header, typeof(*cmd), header); - if (cmd->body.type >= max_allowed || - cmd->body.type < SVGA3D_SHADERTYPE_MIN) { + if (!vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type)) { VMW_DEBUG_USER("Illegal shader type %u.\n", (unsigned int) cmd->body.type); return -EINVAL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index b62207be3363..1489ad73c103 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1665,10 +1665,8 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, err_out: /* vmw_user_lookup_handle takes one ref so does new_fb */ - if (bo) { - vmw_bo_unreference(&bo); - drm_gem_object_put(&bo->tbo.base); - } + if (bo) + vmw_user_bo_unref(bo); if (surface) vmw_surface_unreference(&surface); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index 7e112319a23c..fb85f244c3d0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -451,8 +451,7 @@ int vmw_overlay_ioctl(struct drm_device *dev, void *data, ret = vmw_overlay_update_stream(dev_priv, buf, arg, true); - vmw_bo_unreference(&buf); - drm_gem_object_put(&buf->tbo.base); + vmw_user_bo_unref(buf); out_unlock: mutex_unlock(&overlay->mutex); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c index e7226db8b242..1e81ff2422cf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c @@ -809,8 +809,7 @@ static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv, shader_type, num_input_sig, num_output_sig, tfile, shader_handle); out_bad_arg: - vmw_bo_unreference(&buffer); - drm_gem_object_put(&buffer->tbo.base); + vmw_user_bo_unref(buffer); return ret; } diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c index a997dbcb563f..023807859be7 100644 --- a/drivers/hwmon/aquacomputer_d5next.c +++ b/drivers/hwmon/aquacomputer_d5next.c @@ -13,9 +13,11 @@ #include <linux/crc16.h> #include <linux/debugfs.h> +#include <linux/delay.h> #include <linux/hid.h> #include <linux/hwmon.h> #include <linux/jiffies.h> +#include <linux/ktime.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/seq_file.h> @@ -63,6 +65,8 @@ static const char *const aqc_device_names[] = { #define CTRL_REPORT_ID 0x03 #define AQUAERO_CTRL_REPORT_ID 0x0b +#define CTRL_REPORT_DELAY 200 /* ms */ + /* The HID report that the official software always sends * after writing values, currently same for all devices */ @@ -527,6 +531,9 @@ struct aqc_data { int secondary_ctrl_report_size; u8 *secondary_ctrl_report; + ktime_t last_ctrl_report_op; + int ctrl_report_delay; /* Delay between two ctrl report operations, in ms */ + int buffer_size; u8 *buffer; int checksum_start; @@ -611,17 +618,35 @@ static int aqc_aquastreamxt_convert_fan_rpm(u16 val) return 0; } +static void aqc_delay_ctrl_report(struct aqc_data *priv) +{ + /* + * If previous read or write is too close to this one, delay the current operation + * to give the device enough time to process the previous one. + */ + if (priv->ctrl_report_delay) { + s64 delta = ktime_ms_delta(ktime_get(), priv->last_ctrl_report_op); + + if (delta < priv->ctrl_report_delay) + msleep(priv->ctrl_report_delay - delta); + } +} + /* Expects the mutex to be locked */ static int aqc_get_ctrl_data(struct aqc_data *priv) { int ret; + aqc_delay_ctrl_report(priv); + memset(priv->buffer, 0x00, priv->buffer_size); ret = hid_hw_raw_request(priv->hdev, priv->ctrl_report_id, priv->buffer, priv->buffer_size, HID_FEATURE_REPORT, HID_REQ_GET_REPORT); if (ret < 0) ret = -ENODATA; + priv->last_ctrl_report_op = ktime_get(); + return ret; } @@ -631,6 +656,8 @@ static int aqc_send_ctrl_data(struct aqc_data *priv) int ret; u16 checksum; + aqc_delay_ctrl_report(priv); + /* Checksum is not needed for Aquaero */ if (priv->kind != aquaero) { /* Init and xorout value for CRC-16/USB is 0xffff */ @@ -646,12 +673,16 @@ static int aqc_send_ctrl_data(struct aqc_data *priv) ret = hid_hw_raw_request(priv->hdev, priv->ctrl_report_id, priv->buffer, priv->buffer_size, HID_FEATURE_REPORT, HID_REQ_SET_REPORT); if (ret < 0) - return ret; + goto record_access_and_ret; /* The official software sends this report after every change, so do it here as well */ ret = hid_hw_raw_request(priv->hdev, priv->secondary_ctrl_report_id, priv->secondary_ctrl_report, priv->secondary_ctrl_report_size, HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + +record_access_and_ret: + priv->last_ctrl_report_op = ktime_get(); + return ret; } @@ -1524,6 +1555,7 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) priv->buffer_size = AQUAERO_CTRL_REPORT_SIZE; priv->temp_ctrl_offset = AQUAERO_TEMP_CTRL_OFFSET; + priv->ctrl_report_delay = CTRL_REPORT_DELAY; priv->temp_label = label_temp_sensors; priv->virtual_temp_label = label_virtual_temp_sensors; @@ -1547,6 +1579,7 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) priv->temp_ctrl_offset = D5NEXT_TEMP_CTRL_OFFSET; priv->buffer_size = D5NEXT_CTRL_REPORT_SIZE; + priv->ctrl_report_delay = CTRL_REPORT_DELAY; priv->power_cycle_count_offset = D5NEXT_POWER_CYCLES; @@ -1597,6 +1630,7 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) priv->temp_ctrl_offset = OCTO_TEMP_CTRL_OFFSET; priv->buffer_size = OCTO_CTRL_REPORT_SIZE; + priv->ctrl_report_delay = CTRL_REPORT_DELAY; priv->power_cycle_count_offset = OCTO_POWER_CYCLES; @@ -1624,6 +1658,7 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) priv->temp_ctrl_offset = QUADRO_TEMP_CTRL_OFFSET; priv->buffer_size = QUADRO_CTRL_REPORT_SIZE; + priv->ctrl_report_delay = CTRL_REPORT_DELAY; priv->flow_pulses_ctrl_offset = QUADRO_FLOW_PULSES_CTRL_OFFSET; priv->power_cycle_count_offset = QUADRO_POWER_CYCLES; diff --git a/drivers/hwmon/pmbus/bel-pfe.c b/drivers/hwmon/pmbus/bel-pfe.c index fa5070ae26bc..7c5f4b10a7c1 100644 --- a/drivers/hwmon/pmbus/bel-pfe.c +++ b/drivers/hwmon/pmbus/bel-pfe.c @@ -17,12 +17,13 @@ enum chips {pfe1100, pfe3000}; /* - * Disable status check for pfe3000 devices, because some devices report - * communication error (invalid command) for VOUT_MODE command (0x20) - * although correct VOUT_MODE (0x16) is returned: it leads to incorrect - * exponent in linear mode. + * Disable status check because some devices report communication error + * (invalid command) for VOUT_MODE command (0x20) although the correct + * VOUT_MODE (0x16) is returned: it leads to incorrect exponent in linear + * mode. + * This affects both pfe3000 and pfe1100. */ -static struct pmbus_platform_data pfe3000_plat_data = { +static struct pmbus_platform_data pfe_plat_data = { .flags = PMBUS_SKIP_STATUS_CHECK, }; @@ -94,16 +95,15 @@ static int pfe_pmbus_probe(struct i2c_client *client) int model; model = (int)i2c_match_id(pfe_device_id, client)->driver_data; + client->dev.platform_data = &pfe_plat_data; /* * PFE3000-12-069RA devices may not stay in page 0 during device * probe which leads to probe failure (read status word failed). * So let's set the device to page 0 at the beginning. */ - if (model == pfe3000) { - client->dev.platform_data = &pfe3000_plat_data; + if (model == pfe3000) i2c_smbus_write_byte_data(client, PMBUS_PAGE, 0); - } return pmbus_do_probe(client, &pfe_driver_info[model]); } diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index 2d8342fdc25d..05c80680dff4 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -233,13 +233,14 @@ static inline u32 iproc_i2c_rd_reg(struct bcm_iproc_i2c_dev *iproc_i2c, u32 offset) { u32 val; + unsigned long flags; if (iproc_i2c->idm_base) { - spin_lock(&iproc_i2c->idm_lock); + spin_lock_irqsave(&iproc_i2c->idm_lock, flags); writel(iproc_i2c->ape_addr_mask, iproc_i2c->idm_base + IDM_CTRL_DIRECT_OFFSET); val = readl(iproc_i2c->base + offset); - spin_unlock(&iproc_i2c->idm_lock); + spin_unlock_irqrestore(&iproc_i2c->idm_lock, flags); } else { val = readl(iproc_i2c->base + offset); } @@ -250,12 +251,14 @@ static inline u32 iproc_i2c_rd_reg(struct bcm_iproc_i2c_dev *iproc_i2c, static inline void iproc_i2c_wr_reg(struct bcm_iproc_i2c_dev *iproc_i2c, u32 offset, u32 val) { + unsigned long flags; + if (iproc_i2c->idm_base) { - spin_lock(&iproc_i2c->idm_lock); + spin_lock_irqsave(&iproc_i2c->idm_lock, flags); writel(iproc_i2c->ape_addr_mask, iproc_i2c->idm_base + IDM_CTRL_DIRECT_OFFSET); writel(val, iproc_i2c->base + offset); - spin_unlock(&iproc_i2c->idm_lock); + spin_unlock_irqrestore(&iproc_i2c->idm_lock, flags); } else { writel(val, iproc_i2c->base + offset); } diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index 3bfd7a2232db..24bef0025c98 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -588,9 +588,21 @@ i2c_dw_read(struct dw_i2c_dev *dev) u32 flags = msgs[dev->msg_read_idx].flags; regmap_read(dev->map, DW_IC_DATA_CMD, &tmp); + tmp &= DW_IC_DATA_CMD_DAT; /* Ensure length byte is a valid value */ - if (flags & I2C_M_RECV_LEN && - (tmp & DW_IC_DATA_CMD_DAT) <= I2C_SMBUS_BLOCK_MAX && tmp > 0) { + if (flags & I2C_M_RECV_LEN) { + /* + * if IC_EMPTYFIFO_HOLD_MASTER_EN is set, which cannot be + * detected from the registers, the controller can be + * disabled if the STOP bit is set. But it is only set + * after receiving block data response length in + * I2C_FUNC_SMBUS_BLOCK_DATA case. That needs to read + * another byte with STOP bit set when the block data + * response length is invalid to complete the transaction. + */ + if (!tmp || tmp > I2C_SMBUS_BLOCK_MAX) + tmp = 1; + len = i2c_dw_recv_len(dev, tmp); } *buf++ = tmp; diff --git a/drivers/i2c/busses/i2c-hisi.c b/drivers/i2c/busses/i2c-hisi.c index e067671b3ce2..0980c773cb5b 100644 --- a/drivers/i2c/busses/i2c-hisi.c +++ b/drivers/i2c/busses/i2c-hisi.c @@ -330,6 +330,14 @@ static irqreturn_t hisi_i2c_irq(int irq, void *context) struct hisi_i2c_controller *ctlr = context; u32 int_stat; + /* + * Don't handle the interrupt if cltr->completion is NULL. We may + * reach here because the interrupt is spurious or the transfer is + * started by another port (e.g. firmware) rather than us. + */ + if (!ctlr->completion) + return IRQ_NONE; + int_stat = readl(ctlr->iobase + HISI_I2C_INT_MSTAT); hisi_i2c_clear_int(ctlr, int_stat); if (!(int_stat & HISI_I2C_INT_ALL)) diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index c3287c887c6f..150d923ca7f1 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -209,6 +209,9 @@ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx) lpi2c_imx_set_mode(lpi2c_imx); clk_rate = clk_get_rate(lpi2c_imx->clks[0].clk); + if (!clk_rate) + return -EINVAL; + if (lpi2c_imx->mode == HS || lpi2c_imx->mode == ULTRA_FAST) filt = 0; else diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-sun6i-p2wi.c index ad8270cdbd3e..fa6020dced59 100644 --- a/drivers/i2c/busses/i2c-sun6i-p2wi.c +++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c @@ -250,7 +250,8 @@ static int p2wi_probe(struct platform_device *pdev) p2wi->rstc = devm_reset_control_get_exclusive(dev, NULL); if (IS_ERR(p2wi->rstc)) { - dev_err(dev, "failed to retrieve reset controller: %d\n", ret); + dev_err(dev, "failed to retrieve reset controller: %pe\n", + p2wi->rstc); return PTR_ERR(p2wi->rstc); } diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index bcbbf23aa530..03fc10b45bd6 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -442,7 +442,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev) if (IS_VI(i2c_dev)) return 0; - if (!i2c_dev->hw->has_apb_dma) { + if (i2c_dev->hw->has_apb_dma) { if (!IS_ENABLED(CONFIG_TEGRA20_APB_DMA)) { dev_dbg(i2c_dev->dev, "APB DMA support not enabled\n"); return 0; @@ -460,6 +460,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev) i2c_dev->dma_chan = dma_request_chan(i2c_dev->dev, "tx"); if (IS_ERR(i2c_dev->dma_chan)) { err = PTR_ERR(i2c_dev->dma_chan); + i2c_dev->dma_chan = NULL; goto err_out; } diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index 8685e0b58a83..7bc3ebfe8081 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -62,7 +62,6 @@ #define AD7192_MODE_STA_MASK BIT(20) /* Status Register transmission Mask */ #define AD7192_MODE_CLKSRC(x) (((x) & 0x3) << 18) /* Clock Source Select */ #define AD7192_MODE_SINC3 BIT(15) /* SINC3 Filter Select */ -#define AD7192_MODE_ACX BIT(14) /* AC excitation enable(AD7195 only)*/ #define AD7192_MODE_ENPAR BIT(13) /* Parity Enable */ #define AD7192_MODE_CLKDIV BIT(12) /* Clock divide by 2 (AD7190/2 only)*/ #define AD7192_MODE_SCYCLE BIT(11) /* Single cycle conversion */ @@ -91,6 +90,7 @@ /* Configuration Register Bit Designations (AD7192_REG_CONF) */ #define AD7192_CONF_CHOP BIT(23) /* CHOP enable */ +#define AD7192_CONF_ACX BIT(22) /* AC excitation enable(AD7195 only) */ #define AD7192_CONF_REFSEL BIT(20) /* REFIN1/REFIN2 Reference Select */ #define AD7192_CONF_CHAN(x) ((x) << 8) /* Channel select */ #define AD7192_CONF_CHAN_MASK (0x7FF << 8) /* Channel select mask */ @@ -472,7 +472,7 @@ static ssize_t ad7192_show_ac_excitation(struct device *dev, struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad7192_state *st = iio_priv(indio_dev); - return sysfs_emit(buf, "%d\n", !!(st->mode & AD7192_MODE_ACX)); + return sysfs_emit(buf, "%d\n", !!(st->conf & AD7192_CONF_ACX)); } static ssize_t ad7192_show_bridge_switch(struct device *dev, @@ -513,13 +513,13 @@ static ssize_t ad7192_set(struct device *dev, ad_sd_write_reg(&st->sd, AD7192_REG_GPOCON, 1, st->gpocon); break; - case AD7192_REG_MODE: + case AD7192_REG_CONF: if (val) - st->mode |= AD7192_MODE_ACX; + st->conf |= AD7192_CONF_ACX; else - st->mode &= ~AD7192_MODE_ACX; + st->conf &= ~AD7192_CONF_ACX; - ad_sd_write_reg(&st->sd, AD7192_REG_MODE, 3, st->mode); + ad_sd_write_reg(&st->sd, AD7192_REG_CONF, 3, st->conf); break; default: ret = -EINVAL; @@ -579,12 +579,11 @@ static IIO_DEVICE_ATTR(bridge_switch_en, 0644, static IIO_DEVICE_ATTR(ac_excitation_en, 0644, ad7192_show_ac_excitation, ad7192_set, - AD7192_REG_MODE); + AD7192_REG_CONF); static struct attribute *ad7192_attributes[] = { &iio_dev_attr_filter_low_pass_3db_frequency_available.dev_attr.attr, &iio_dev_attr_bridge_switch_en.dev_attr.attr, - &iio_dev_attr_ac_excitation_en.dev_attr.attr, NULL }; @@ -595,6 +594,7 @@ static const struct attribute_group ad7192_attribute_group = { static struct attribute *ad7195_attributes[] = { &iio_dev_attr_filter_low_pass_3db_frequency_available.dev_attr.attr, &iio_dev_attr_bridge_switch_en.dev_attr.attr, + &iio_dev_attr_ac_excitation_en.dev_attr.attr, NULL }; diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 213526c1592f..aea83f369437 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -124,6 +124,7 @@ static const struct regmap_config ina2xx_regmap_config = { enum ina2xx_ids { ina219, ina226 }; struct ina2xx_config { + const char *name; u16 config_default; int calibration_value; int shunt_voltage_lsb; /* nV */ @@ -155,6 +156,7 @@ struct ina2xx_chip_info { static const struct ina2xx_config ina2xx_config[] = { [ina219] = { + .name = "ina219", .config_default = INA219_CONFIG_DEFAULT, .calibration_value = 4096, .shunt_voltage_lsb = 10000, @@ -164,6 +166,7 @@ static const struct ina2xx_config ina2xx_config[] = { .chip_id = ina219, }, [ina226] = { + .name = "ina226", .config_default = INA226_CONFIG_DEFAULT, .calibration_value = 2048, .shunt_voltage_lsb = 2500, @@ -996,7 +999,7 @@ static int ina2xx_probe(struct i2c_client *client) /* Patch the current config register with default. */ val = chip->config->config_default; - if (id->driver_data == ina226) { + if (type == ina226) { ina226_set_average(chip, INA226_DEFAULT_AVG, &val); ina226_set_int_time_vbus(chip, INA226_DEFAULT_IT, &val); ina226_set_int_time_vshunt(chip, INA226_DEFAULT_IT, &val); @@ -1015,7 +1018,7 @@ static int ina2xx_probe(struct i2c_client *client) } indio_dev->modes = INDIO_DIRECT_MODE; - if (id->driver_data == ina226) { + if (type == ina226) { indio_dev->channels = ina226_channels; indio_dev->num_channels = ARRAY_SIZE(ina226_channels); indio_dev->info = &ina226_info; @@ -1024,7 +1027,7 @@ static int ina2xx_probe(struct i2c_client *client) indio_dev->num_channels = ARRAY_SIZE(ina219_channels); indio_dev->info = &ina219_info; } - indio_dev->name = id->name; + indio_dev->name = id ? id->name : chip->config->name; ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev, &ina2xx_setup_ops); diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index af6bfcc19075..eb78a6f17fd0 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -916,12 +916,6 @@ static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev) goto err_vref; } - ret = clk_prepare_enable(priv->core_clk); - if (ret) { - dev_err(dev, "failed to enable core clk\n"); - goto err_core_clk; - } - regval = FIELD_PREP(MESON_SAR_ADC_REG0_FIFO_CNT_IRQ_MASK, 1); regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG0, MESON_SAR_ADC_REG0_FIFO_CNT_IRQ_MASK, regval); @@ -948,8 +942,6 @@ err_adc_clk: regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG3, MESON_SAR_ADC_REG3_ADC_EN, 0); meson_sar_adc_set_bandgap(indio_dev, false); - clk_disable_unprepare(priv->core_clk); -err_core_clk: regulator_disable(priv->vref); err_vref: meson_sar_adc_unlock(indio_dev); @@ -977,8 +969,6 @@ static void meson_sar_adc_hw_disable(struct iio_dev *indio_dev) meson_sar_adc_set_bandgap(indio_dev, false); - clk_disable_unprepare(priv->core_clk); - regulator_disable(priv->vref); if (!ret) @@ -1211,7 +1201,7 @@ static int meson_sar_adc_probe(struct platform_device *pdev) if (IS_ERR(priv->clkin)) return dev_err_probe(dev, PTR_ERR(priv->clkin), "failed to get clkin\n"); - priv->core_clk = devm_clk_get(dev, "core"); + priv->core_clk = devm_clk_get_enabled(dev, "core"); if (IS_ERR(priv->core_clk)) return dev_err_probe(dev, PTR_ERR(priv->core_clk), "failed to get core clk\n"); @@ -1294,15 +1284,26 @@ static int meson_sar_adc_remove(struct platform_device *pdev) static int meson_sar_adc_suspend(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct meson_sar_adc_priv *priv = iio_priv(indio_dev); meson_sar_adc_hw_disable(indio_dev); + clk_disable_unprepare(priv->core_clk); + return 0; } static int meson_sar_adc_resume(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct meson_sar_adc_priv *priv = iio_priv(indio_dev); + int ret; + + ret = clk_prepare_enable(priv->core_clk); + if (ret) { + dev_err(dev, "failed to enable core clk\n"); + return ret; + } return meson_sar_adc_hw_enable(indio_dev); } diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c index 943e9e14d1e9..b72d39fc2434 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c @@ -253,7 +253,7 @@ int cros_ec_sensors_core_init(struct platform_device *pdev, platform_set_drvdata(pdev, indio_dev); state->ec = ec->ec_dev; - state->msg = devm_kzalloc(&pdev->dev, + state->msg = devm_kzalloc(&pdev->dev, sizeof(*state->msg) + max((u16)sizeof(struct ec_params_motion_sense), state->ec->max_response), GFP_KERNEL); if (!state->msg) diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c index 9bf8337806fc..8c8e0bbfc99f 100644 --- a/drivers/iio/frequency/admv1013.c +++ b/drivers/iio/frequency/admv1013.c @@ -344,9 +344,12 @@ static int admv1013_update_quad_filters(struct admv1013_state *st) static int admv1013_update_mixer_vgate(struct admv1013_state *st) { - unsigned int vcm, mixer_vgate; + unsigned int mixer_vgate; + int vcm; vcm = regulator_get_voltage(st->reg); + if (vcm < 0) + return vcm; if (vcm < 1800000) mixer_vgate = (2389 * vcm / 1000000 + 8100) / 100; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index 6a18b363cf73..b6e6b1df8a61 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -2687,7 +2687,7 @@ unknown_format: static int lsm6dsx_get_acpi_mount_matrix(struct device *dev, struct iio_mount_matrix *orientation) { - return false; + return -EOPNOTSUPP; } #endif diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index c117f50d0cf3..adcba832e6fa 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1888,7 +1888,7 @@ static const struct iio_buffer_setup_ops noop_ring_setup_ops; int __iio_device_register(struct iio_dev *indio_dev, struct module *this_mod) { struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); - struct fwnode_handle *fwnode; + struct fwnode_handle *fwnode = NULL; int ret; if (!indio_dev->info) @@ -1899,7 +1899,8 @@ int __iio_device_register(struct iio_dev *indio_dev, struct module *this_mod) /* If the calling driver did not initialize firmware node, do it here */ if (dev_fwnode(&indio_dev->dev)) fwnode = dev_fwnode(&indio_dev->dev); - else + /* The default dummy IIO device has no parent */ + else if (indio_dev->dev.parent) fwnode = dev_fwnode(indio_dev->dev.parent); device_set_node(&indio_dev->dev, fwnode); diff --git a/drivers/iio/light/rohm-bu27008.c b/drivers/iio/light/rohm-bu27008.c index 489902bed7f0..b50bf8973d9a 100644 --- a/drivers/iio/light/rohm-bu27008.c +++ b/drivers/iio/light/rohm-bu27008.c @@ -190,7 +190,7 @@ static const struct iio_itime_sel_mul bu27008_itimes[] = { .address = BU27008_REG_##data##_LO, \ .scan_index = BU27008_##color, \ .scan_type = { \ - .sign = 's', \ + .sign = 'u', \ .realbits = 16, \ .storagebits = 16, \ .endianness = IIO_LE, \ @@ -633,7 +633,7 @@ static int bu27008_try_find_new_time_gain(struct bu27008_data *data, int val, for (i = 0; i < data->gts.num_itime; i++) { new_time_sel = data->gts.itime_table[i].sel; ret = iio_gts_find_gain_sel_for_scale_using_time(&data->gts, - new_time_sel, val, val2 * 1000, gain_sel); + new_time_sel, val, val2, gain_sel); if (!ret) break; } @@ -662,7 +662,7 @@ static int bu27008_set_scale(struct bu27008_data *data, goto unlock_out; ret = iio_gts_find_gain_sel_for_scale_using_time(&data->gts, time_sel, - val, val2 * 1000, &gain_sel); + val, val2, &gain_sel); if (ret) { ret = bu27008_try_find_new_time_gain(data, val, val2, &gain_sel); if (ret) @@ -677,6 +677,21 @@ unlock_out: return ret; } +static int bu27008_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + long mask) +{ + + switch (mask) { + case IIO_CHAN_INFO_SCALE: + return IIO_VAL_INT_PLUS_NANO; + case IIO_CHAN_INFO_INT_TIME: + return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; + } +} + static int bu27008_write_raw(struct iio_dev *idev, struct iio_chan_spec const *chan, int val, int val2, long mask) @@ -756,6 +771,7 @@ static int bu27008_update_scan_mode(struct iio_dev *idev, static const struct iio_info bu27008_info = { .read_raw = &bu27008_read_raw, .write_raw = &bu27008_write_raw, + .write_raw_get_fmt = &bu27008_write_raw_get_fmt, .read_avail = &bu27008_read_avail, .update_scan_mode = bu27008_update_scan_mode, .validate_trigger = iio_validate_own_trigger, diff --git a/drivers/iio/light/rohm-bu27034.c b/drivers/iio/light/rohm-bu27034.c index e63ef5789cde..bf3de853a811 100644 --- a/drivers/iio/light/rohm-bu27034.c +++ b/drivers/iio/light/rohm-bu27034.c @@ -575,7 +575,7 @@ static int bu27034_set_scale(struct bu27034_data *data, int chan, return -EINVAL; if (chan == BU27034_CHAN_ALS) { - if (val == 0 && val2 == 1000) + if (val == 0 && val2 == 1000000) return 0; return -EINVAL; @@ -587,7 +587,7 @@ static int bu27034_set_scale(struct bu27034_data *data, int chan, goto unlock_out; ret = iio_gts_find_gain_sel_for_scale_using_time(&data->gts, time_sel, - val, val2 * 1000, &gain_sel); + val, val2, &gain_sel); if (ret) { /* * Could not support scale with given time. Need to change time. @@ -624,7 +624,7 @@ static int bu27034_set_scale(struct bu27034_data *data, int chan, /* Can we provide requested scale with this time? */ ret = iio_gts_find_gain_sel_for_scale_using_time( - &data->gts, new_time_sel, val, val2 * 1000, + &data->gts, new_time_sel, val, val2, &gain_sel); if (ret) continue; @@ -1217,6 +1217,21 @@ static int bu27034_read_raw(struct iio_dev *idev, } } +static int bu27034_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + long mask) +{ + + switch (mask) { + case IIO_CHAN_INFO_SCALE: + return IIO_VAL_INT_PLUS_NANO; + case IIO_CHAN_INFO_INT_TIME: + return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; + } +} + static int bu27034_write_raw(struct iio_dev *idev, struct iio_chan_spec const *chan, int val, int val2, long mask) @@ -1267,6 +1282,7 @@ static int bu27034_read_avail(struct iio_dev *idev, static const struct iio_info bu27034_info = { .read_raw = &bu27034_read_raw, .write_raw = &bu27034_write_raw, + .write_raw_get_fmt = &bu27034_write_raw_get_fmt, .read_avail = &bu27034_read_avail, }; diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 755a9c57db6f..f9ab671c8eda 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -85,6 +85,8 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, dma_addr_t mask; int i; + umem->iova = va = virt; + if (umem->is_odp) { unsigned int page_size = BIT(to_ib_umem_odp(umem)->page_shift); @@ -100,7 +102,6 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, */ pgsz_bitmap &= GENMASK(BITS_PER_LONG - 1, PAGE_SHIFT); - umem->iova = va = virt; /* The best result is the smallest page size that results in the minimum * number of required pages. Compute the largest page size that could * work based on VA address bits that don't change. diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index b42166fe7454..63e98e2d3596 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1253,6 +1253,8 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode) rc = bnxt_re_setup_chip_ctx(rdev, wqe_mode); if (rc) { + bnxt_unregister_dev(rdev->en_dev); + clear_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags); ibdev_err(&rdev->ibdev, "Failed to get chip context\n"); return -EINVAL; } @@ -1526,8 +1528,8 @@ static void bnxt_re_remove(struct auxiliary_device *adev) } bnxt_re_setup_cc(rdev, false); ib_unregister_device(&rdev->ibdev); - ib_dealloc_device(&rdev->ibdev); bnxt_re_dev_uninit(rdev); + ib_dealloc_device(&rdev->ibdev); skip_remove: mutex_unlock(&bnxt_re_mutex); } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 5fd8f7c90bb0..739d942761d1 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -819,6 +819,7 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res, } memset((u8 *)dpit->tbl, 0xFF, bytes); + mutex_init(&res->dpi_tbl_lock); dpit->priv_db = dpit->ucreg.bar_reg + dpit->ucreg.offset; return 0; diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 9dbb89e9f4af..baaa4406d5e6 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -12307,6 +12307,7 @@ static void free_cntrs(struct hfi1_devdata *dd) if (dd->synth_stats_timer.function) del_timer_sync(&dd->synth_stats_timer); + cancel_work_sync(&dd->update_cntr_work); ppd = (struct hfi1_pportdata *)(dd + 1); for (i = 0; i < dd->num_pports; i++, ppd++) { kfree(ppd->cntrs); diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c index a973905afd13..ed7d4b02f45a 100644 --- a/drivers/infiniband/hw/qib/qib_fs.c +++ b/drivers/infiniband/hw/qib/qib_fs.c @@ -64,9 +64,8 @@ static int qibfs_mknod(struct inode *dir, struct dentry *dentry, inode->i_uid = GLOBAL_ROOT_UID; inode->i_gid = GLOBAL_ROOT_GID; inode->i_blocks = 0; - inode->i_atime = current_time(inode); + inode->i_atime = inode_set_ctime_current(inode); inode->i_mtime = inode->i_atime; - inode->i_ctime = inode->i_atime; inode->i_private = data; if (S_ISDIR(mode)) { inode->i_op = &simple_dir_inode_operations; diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c index 8f385f9c2dd3..d5f2a6b5376b 100644 --- a/drivers/interconnect/qcom/bcm-voter.c +++ b/drivers/interconnect/qcom/bcm-voter.c @@ -83,6 +83,11 @@ static void bcm_aggregate(struct qcom_icc_bcm *bcm) temp = agg_peak[bucket] * bcm->vote_scale; bcm->vote_y[bucket] = bcm_div(temp, bcm->aux_data.unit); + + if (bcm->enable_mask && (bcm->vote_x[bucket] || bcm->vote_y[bucket])) { + bcm->vote_x[bucket] = 0; + bcm->vote_y[bucket] = bcm->enable_mask; + } } if (bcm->keepalive && bcm->vote_x[QCOM_ICC_BUCKET_AMC] == 0 && diff --git a/drivers/interconnect/qcom/icc-rpmh.h b/drivers/interconnect/qcom/icc-rpmh.h index 04391c1ba465..7843d8864d6b 100644 --- a/drivers/interconnect/qcom/icc-rpmh.h +++ b/drivers/interconnect/qcom/icc-rpmh.h @@ -81,6 +81,7 @@ struct qcom_icc_node { * @vote_x: aggregated threshold values, represents sum_bw when @type is bw bcm * @vote_y: aggregated threshold values, represents peak_bw when @type is bw bcm * @vote_scale: scaling factor for vote_x and vote_y + * @enable_mask: optional mask to send as vote instead of vote_x/vote_y * @dirty: flag used to indicate whether the bcm needs to be committed * @keepalive: flag used to indicate whether a keepalive is required * @aux_data: auxiliary data used when calculating threshold values and @@ -97,6 +98,7 @@ struct qcom_icc_bcm { u64 vote_x[QCOM_ICC_NUM_BUCKETS]; u64 vote_y[QCOM_ICC_NUM_BUCKETS]; u64 vote_scale; + u32 enable_mask; bool dirty; bool keepalive; struct bcm_db aux_data; diff --git a/drivers/interconnect/qcom/sa8775p.c b/drivers/interconnect/qcom/sa8775p.c index da21cc31a580..f56538669de0 100644 --- a/drivers/interconnect/qcom/sa8775p.c +++ b/drivers/interconnect/qcom/sa8775p.c @@ -1873,6 +1873,7 @@ static struct qcom_icc_node srvc_snoc = { static struct qcom_icc_bcm bcm_acv = { .name = "ACV", + .enable_mask = 0x8, .num_nodes = 1, .nodes = { &ebi }, }; diff --git a/drivers/interconnect/qcom/sm8450.c b/drivers/interconnect/qcom/sm8450.c index 2d7a8e7b85ec..e64c214b4020 100644 --- a/drivers/interconnect/qcom/sm8450.c +++ b/drivers/interconnect/qcom/sm8450.c @@ -1337,6 +1337,7 @@ static struct qcom_icc_node qns_mem_noc_sf_disp = { static struct qcom_icc_bcm bcm_acv = { .name = "ACV", + .enable_mask = 0x8, .num_nodes = 1, .nodes = { &ebi }, }; @@ -1349,6 +1350,7 @@ static struct qcom_icc_bcm bcm_ce0 = { static struct qcom_icc_bcm bcm_cn0 = { .name = "CN0", + .enable_mask = 0x1, .keepalive = true, .num_nodes = 55, .nodes = { &qnm_gemnoc_cnoc, &qnm_gemnoc_pcie, @@ -1383,6 +1385,7 @@ static struct qcom_icc_bcm bcm_cn0 = { static struct qcom_icc_bcm bcm_co0 = { .name = "CO0", + .enable_mask = 0x1, .num_nodes = 2, .nodes = { &qxm_nsp, &qns_nsp_gemnoc }, }; @@ -1403,6 +1406,7 @@ static struct qcom_icc_bcm bcm_mm0 = { static struct qcom_icc_bcm bcm_mm1 = { .name = "MM1", + .enable_mask = 0x1, .num_nodes = 12, .nodes = { &qnm_camnoc_hf, &qnm_camnoc_icp, &qnm_camnoc_sf, &qnm_mdp, @@ -1445,6 +1449,7 @@ static struct qcom_icc_bcm bcm_sh0 = { static struct qcom_icc_bcm bcm_sh1 = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 7, .nodes = { &alm_gpu_tcu, &alm_sys_tcu, &qnm_nsp_gemnoc, &qnm_pcie, @@ -1461,6 +1466,7 @@ static struct qcom_icc_bcm bcm_sn0 = { static struct qcom_icc_bcm bcm_sn1 = { .name = "SN1", + .enable_mask = 0x1, .num_nodes = 4, .nodes = { &qhm_gic, &qxm_pimem, &xm_gic, &qns_gemnoc_gc }, @@ -1492,6 +1498,7 @@ static struct qcom_icc_bcm bcm_sn7 = { static struct qcom_icc_bcm bcm_acv_disp = { .name = "ACV", + .enable_mask = 0x1, .num_nodes = 1, .nodes = { &ebi_disp }, }; @@ -1510,6 +1517,7 @@ static struct qcom_icc_bcm bcm_mm0_disp = { static struct qcom_icc_bcm bcm_mm1_disp = { .name = "MM1", + .enable_mask = 0x1, .num_nodes = 3, .nodes = { &qnm_mdp_disp, &qnm_rot_disp, &qns_mem_noc_sf_disp }, @@ -1523,6 +1531,7 @@ static struct qcom_icc_bcm bcm_sh0_disp = { static struct qcom_icc_bcm bcm_sh1_disp = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 1, .nodes = { &qnm_pcie_disp }, }; diff --git a/drivers/interconnect/qcom/sm8550.c b/drivers/interconnect/qcom/sm8550.c index d823ba988ef6..0864ed285375 100644 --- a/drivers/interconnect/qcom/sm8550.c +++ b/drivers/interconnect/qcom/sm8550.c @@ -1473,6 +1473,7 @@ static struct qcom_icc_node qns_mem_noc_sf_cam_ife_2 = { static struct qcom_icc_bcm bcm_acv = { .name = "ACV", + .enable_mask = 0x8, .num_nodes = 1, .nodes = { &ebi }, }; @@ -1485,6 +1486,7 @@ static struct qcom_icc_bcm bcm_ce0 = { static struct qcom_icc_bcm bcm_cn0 = { .name = "CN0", + .enable_mask = 0x1, .keepalive = true, .num_nodes = 54, .nodes = { &qsm_cfg, &qhs_ahb2phy0, @@ -1524,6 +1526,7 @@ static struct qcom_icc_bcm bcm_cn1 = { static struct qcom_icc_bcm bcm_co0 = { .name = "CO0", + .enable_mask = 0x1, .num_nodes = 2, .nodes = { &qxm_nsp, &qns_nsp_gemnoc }, }; @@ -1549,6 +1552,7 @@ static struct qcom_icc_bcm bcm_mm0 = { static struct qcom_icc_bcm bcm_mm1 = { .name = "MM1", + .enable_mask = 0x1, .num_nodes = 8, .nodes = { &qnm_camnoc_hf, &qnm_camnoc_icp, &qnm_camnoc_sf, &qnm_vapss_hcp, @@ -1589,6 +1593,7 @@ static struct qcom_icc_bcm bcm_sh0 = { static struct qcom_icc_bcm bcm_sh1 = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 13, .nodes = { &alm_gpu_tcu, &alm_sys_tcu, &chm_apps, &qnm_gpu, @@ -1608,6 +1613,7 @@ static struct qcom_icc_bcm bcm_sn0 = { static struct qcom_icc_bcm bcm_sn1 = { .name = "SN1", + .enable_mask = 0x1, .num_nodes = 3, .nodes = { &qhm_gic, &xm_gic, &qns_gemnoc_gc }, @@ -1633,6 +1639,7 @@ static struct qcom_icc_bcm bcm_sn7 = { static struct qcom_icc_bcm bcm_acv_disp = { .name = "ACV", + .enable_mask = 0x1, .num_nodes = 1, .nodes = { &ebi_disp }, }; @@ -1657,12 +1664,14 @@ static struct qcom_icc_bcm bcm_sh0_disp = { static struct qcom_icc_bcm bcm_sh1_disp = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 2, .nodes = { &qnm_mnoc_hf_disp, &qnm_pcie_disp }, }; static struct qcom_icc_bcm bcm_acv_cam_ife_0 = { .name = "ACV", + .enable_mask = 0x0, .num_nodes = 1, .nodes = { &ebi_cam_ife_0 }, }; @@ -1681,6 +1690,7 @@ static struct qcom_icc_bcm bcm_mm0_cam_ife_0 = { static struct qcom_icc_bcm bcm_mm1_cam_ife_0 = { .name = "MM1", + .enable_mask = 0x1, .num_nodes = 4, .nodes = { &qnm_camnoc_hf_cam_ife_0, &qnm_camnoc_icp_cam_ife_0, &qnm_camnoc_sf_cam_ife_0, &qns_mem_noc_sf_cam_ife_0 }, @@ -1694,6 +1704,7 @@ static struct qcom_icc_bcm bcm_sh0_cam_ife_0 = { static struct qcom_icc_bcm bcm_sh1_cam_ife_0 = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 3, .nodes = { &qnm_mnoc_hf_cam_ife_0, &qnm_mnoc_sf_cam_ife_0, &qnm_pcie_cam_ife_0 }, @@ -1701,6 +1712,7 @@ static struct qcom_icc_bcm bcm_sh1_cam_ife_0 = { static struct qcom_icc_bcm bcm_acv_cam_ife_1 = { .name = "ACV", + .enable_mask = 0x0, .num_nodes = 1, .nodes = { &ebi_cam_ife_1 }, }; @@ -1719,6 +1731,7 @@ static struct qcom_icc_bcm bcm_mm0_cam_ife_1 = { static struct qcom_icc_bcm bcm_mm1_cam_ife_1 = { .name = "MM1", + .enable_mask = 0x1, .num_nodes = 4, .nodes = { &qnm_camnoc_hf_cam_ife_1, &qnm_camnoc_icp_cam_ife_1, &qnm_camnoc_sf_cam_ife_1, &qns_mem_noc_sf_cam_ife_1 }, @@ -1732,6 +1745,7 @@ static struct qcom_icc_bcm bcm_sh0_cam_ife_1 = { static struct qcom_icc_bcm bcm_sh1_cam_ife_1 = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 3, .nodes = { &qnm_mnoc_hf_cam_ife_1, &qnm_mnoc_sf_cam_ife_1, &qnm_pcie_cam_ife_1 }, @@ -1739,6 +1753,7 @@ static struct qcom_icc_bcm bcm_sh1_cam_ife_1 = { static struct qcom_icc_bcm bcm_acv_cam_ife_2 = { .name = "ACV", + .enable_mask = 0x0, .num_nodes = 1, .nodes = { &ebi_cam_ife_2 }, }; @@ -1757,6 +1772,7 @@ static struct qcom_icc_bcm bcm_mm0_cam_ife_2 = { static struct qcom_icc_bcm bcm_mm1_cam_ife_2 = { .name = "MM1", + .enable_mask = 0x1, .num_nodes = 4, .nodes = { &qnm_camnoc_hf_cam_ife_2, &qnm_camnoc_icp_cam_ife_2, &qnm_camnoc_sf_cam_ife_2, &qns_mem_noc_sf_cam_ife_2 }, @@ -1770,6 +1786,7 @@ static struct qcom_icc_bcm bcm_sh0_cam_ife_2 = { static struct qcom_icc_bcm bcm_sh1_cam_ife_2 = { .name = "SH1", + .enable_mask = 0x1, .num_nodes = 3, .nodes = { &qnm_mnoc_hf_cam_ife_2, &qnm_mnoc_sf_cam_ife_2, &qnm_pcie_cam_ife_2 }, diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h index fa09d511a8ed..baf31258f5c9 100644 --- a/drivers/isdn/mISDN/dsp.h +++ b/drivers/isdn/mISDN/dsp.h @@ -247,7 +247,7 @@ extern void dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp); extern int dsp_cmx_conf(struct dsp *dsp, u32 conf_id); extern void dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb); extern void dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb); -extern void dsp_cmx_send(void *arg); +extern void dsp_cmx_send(struct timer_list *arg); extern void dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb); extern int dsp_cmx_del_conf_member(struct dsp *dsp); extern int dsp_cmx_del_conf(struct dsp_conf *conf); diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index 357b87592eb4..61cb45c5d0d8 100644 --- a/drivers/isdn/mISDN/dsp_cmx.c +++ b/drivers/isdn/mISDN/dsp_cmx.c @@ -1614,7 +1614,7 @@ static u16 dsp_count; /* last sample count */ static int dsp_count_valid; /* if we have last sample count */ void -dsp_cmx_send(void *arg) +dsp_cmx_send(struct timer_list *arg) { struct dsp_conf *conf; struct dsp_conf_member *member; diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 386084530c2f..fae95f166688 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -1195,7 +1195,7 @@ static int __init dsp_init(void) } /* set sample timer */ - timer_setup(&dsp_spl_tl, (void *)dsp_cmx_send, 0); + timer_setup(&dsp_spl_tl, dsp_cmx_send, 0); dsp_spl_tl.expires = jiffies + dsp_tics; dsp_spl_jiffies = dsp_spl_tl.expires; add_timer(&dsp_spl_tl); diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index c9bc5a91ec83..03c58e50cc44 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -406,15 +406,15 @@ static ssize_t interval_store(struct device *dev, static DEVICE_ATTR_RW(interval); -static ssize_t hw_control_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t offloaded_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev); return sprintf(buf, "%d\n", trigger_data->hw_control); } -static DEVICE_ATTR_RO(hw_control); +static DEVICE_ATTR_RO(offloaded); static struct attribute *netdev_trig_attrs[] = { &dev_attr_device_name.attr, @@ -427,7 +427,7 @@ static struct attribute *netdev_trig_attrs[] = { &dev_attr_rx.attr, &dev_attr_tx.attr, &dev_attr_interval.attr, - &dev_attr_hw_control.attr, + &dev_attr_offloaded.attr, NULL }; ATTRIBUTE_GROUPS(netdev_trig); diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 40cb3cb87ba1..60425c99a2b8 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1310,6 +1310,8 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->dev = &pdev->dev; jpeg->variant = of_device_get_match_data(jpeg->dev); + platform_set_drvdata(pdev, jpeg); + ret = devm_of_platform_populate(&pdev->dev); if (ret) { v4l2_err(&jpeg->v4l2_dev, "Master of platform populate failed."); @@ -1381,8 +1383,6 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->variant->dev_name, jpeg->vdev->num, VIDEO_MAJOR, jpeg->vdev->minor); - platform_set_drvdata(pdev, jpeg); - pm_runtime_enable(&pdev->dev); return 0; diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc.c index 9ff439a50f53..315e97a2450e 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc.c @@ -821,6 +821,8 @@ static int vb2ops_venc_queue_setup(struct vb2_queue *vq, return -EINVAL; if (*nplanes) { + if (*nplanes != q_data->fmt->num_planes) + return -EINVAL; for (i = 0; i < *nplanes; i++) if (sizes[i] < q_data->sizeimage[i]) return -EINVAL; diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c index 0bd2613b9320..791bde67f439 100644 --- a/drivers/media/platform/nxp/imx7-media-csi.c +++ b/drivers/media/platform/nxp/imx7-media-csi.c @@ -9,7 +9,9 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/math.h> #include <linux/mfd/syscon.h> +#include <linux/minmax.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/of_graph.h> @@ -1137,8 +1139,9 @@ __imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt, * TODO: Implement configurable stride support. */ walign = 8 * 8 / cc->bpp; - v4l_bound_align_image(&pixfmt->width, 1, 0xffff, walign, - &pixfmt->height, 1, 0xffff, 1, 0); + pixfmt->width = clamp(round_up(pixfmt->width, walign), walign, + round_down(65535U, walign)); + pixfmt->height = clamp(pixfmt->height, 1U, 65535U); pixfmt->bytesperline = pixfmt->width * cc->bpp / 8; pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height; diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c index 7f0802a5518c..3418d2dd9371 100644 --- a/drivers/media/platform/qcom/venus/hfi_cmds.c +++ b/drivers/media/platform/qcom/venus/hfi_cmds.c @@ -251,8 +251,8 @@ int pkt_session_unset_buffers(struct hfi_session_release_buffer_pkt *pkt, pkt->extradata_size = 0; pkt->shdr.hdr.size = - struct_size((struct hfi_session_set_buffers_pkt *)0, - buffer_info, bd->num_buffers); + struct_size_t(struct hfi_session_set_buffers_pkt, + buffer_info, bd->num_buffers); } pkt->response_req = bd->response_required; diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 5ac2a424b13d..f4988f03640a 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -45,7 +45,7 @@ static int uvc_control_add_xu_mapping(struct uvc_video_chain *chain, map->menu_names = NULL; map->menu_mapping = NULL; - map->menu_mask = BIT_MASK(xmap->menu_count); + map->menu_mask = GENMASK(xmap->menu_count - 1, 0); size = xmap->menu_count * sizeof(*map->menu_mapping); map->menu_mapping = kzalloc(size, GFP_KERNEL); diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c index d676cf63a966..3dae5e3a1697 100644 --- a/drivers/misc/cardreader/rts5227.c +++ b/drivers/misc/cardreader/rts5227.c @@ -195,7 +195,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr) } } - if (option->force_clkreq_0) + if (option->force_clkreq_0 && pcr->aspm_mode == ASPM_MODE_CFG) rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); else diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c index cfebad51d1d8..f4ab09439da7 100644 --- a/drivers/misc/cardreader/rts5228.c +++ b/drivers/misc/cardreader/rts5228.c @@ -435,17 +435,10 @@ static void rts5228_init_from_cfg(struct rtsx_pcr *pcr) option->ltr_enabled = false; } } - - if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN - | PM_L1_1_EN | PM_L1_2_EN)) - option->force_clkreq_0 = false; - else - option->force_clkreq_0 = true; } static int rts5228_extra_init_hw(struct rtsx_pcr *pcr) { - struct rtsx_cr_option *option = &pcr->option; rtsx_pci_write_register(pcr, RTS5228_AUTOLOAD_CFG1, CD_RESUME_EN_MASK, CD_RESUME_EN_MASK); @@ -476,17 +469,6 @@ static int rts5228_extra_init_hw(struct rtsx_pcr *pcr) else rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00); - /* - * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced - * to drive low, and we forcibly request clock. - */ - if (option->force_clkreq_0) - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); - else - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); - rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB); if (pcr->rtd3_en) { diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c index 91d240dd68fa..47ab72a43256 100644 --- a/drivers/misc/cardreader/rts5249.c +++ b/drivers/misc/cardreader/rts5249.c @@ -327,12 +327,11 @@ static int rts5249_extra_init_hw(struct rtsx_pcr *pcr) } } - /* * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced * to drive low, and we forcibly request clock. */ - if (option->force_clkreq_0) + if (option->force_clkreq_0 && pcr->aspm_mode == ASPM_MODE_CFG) rtsx_pci_write_register(pcr, PETXCFG, FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); else diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c index 9b42b20a3e5a..79b18f6f73a8 100644 --- a/drivers/misc/cardreader/rts5260.c +++ b/drivers/misc/cardreader/rts5260.c @@ -517,17 +517,10 @@ static void rts5260_init_from_cfg(struct rtsx_pcr *pcr) option->ltr_enabled = false; } } - - if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN - | PM_L1_1_EN | PM_L1_2_EN)) - option->force_clkreq_0 = false; - else - option->force_clkreq_0 = true; } static int rts5260_extra_init_hw(struct rtsx_pcr *pcr) { - struct rtsx_cr_option *option = &pcr->option; /* Set mcu_cnt to 7 to ensure data can be sampled properly */ rtsx_pci_write_register(pcr, 0xFC03, 0x7F, 0x07); @@ -546,17 +539,6 @@ static int rts5260_extra_init_hw(struct rtsx_pcr *pcr) rts5260_init_hw(pcr); - /* - * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced - * to drive low, and we forcibly request clock. - */ - if (option->force_clkreq_0) - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); - else - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); - rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00); return 0; diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c index b1e76030cafd..94af6bf8a25a 100644 --- a/drivers/misc/cardreader/rts5261.c +++ b/drivers/misc/cardreader/rts5261.c @@ -498,17 +498,10 @@ static void rts5261_init_from_cfg(struct rtsx_pcr *pcr) option->ltr_enabled = false; } } - - if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN - | PM_L1_1_EN | PM_L1_2_EN)) - option->force_clkreq_0 = false; - else - option->force_clkreq_0 = true; } static int rts5261_extra_init_hw(struct rtsx_pcr *pcr) { - struct rtsx_cr_option *option = &pcr->option; u32 val; rtsx_pci_write_register(pcr, RTS5261_AUTOLOAD_CFG1, @@ -554,17 +547,6 @@ static int rts5261_extra_init_hw(struct rtsx_pcr *pcr) else rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00); - /* - * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced - * to drive low, and we forcibly request clock. - */ - if (option->force_clkreq_0) - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); - else - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); - rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB); if (pcr->rtd3_en) { diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c index 32b7783e9d4f..a3f4b52bb159 100644 --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -1326,8 +1326,11 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr) return err; } - if (pcr->aspm_mode == ASPM_MODE_REG) + if (pcr->aspm_mode == ASPM_MODE_REG) { rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0x30, 0x30); + rtsx_pci_write_register(pcr, PETXCFG, + FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); + } /* No CD interrupt if probing driver with card inserted. * So we need to initialize pcr->card_exist here. diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 35fec1bf1b3d..5867af9f592c 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -139,7 +139,7 @@ static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_ino = get_next_ino(); ret->i_mode = mode; - ret->i_atime = ret->i_mtime = ret->i_ctime = current_time(ret); + ret->i_atime = ret->i_mtime = inode_set_ctime_current(ret); } return ret; } diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c index cbaf6d35e854..2101eb12bcba 100644 --- a/drivers/misc/ibmvmc.c +++ b/drivers/misc/ibmvmc.c @@ -1124,7 +1124,7 @@ static ssize_t ibmvmc_write(struct file *file, const char *buffer, goto out; inode = file_inode(file); - inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); dev_dbg(adapter->dev, "write: file = 0x%lx, count = 0x%lx\n", diff --git a/drivers/misc/tps6594-esm.c b/drivers/misc/tps6594-esm.c index b488f704f104..05e2c151e632 100644 --- a/drivers/misc/tps6594-esm.c +++ b/drivers/misc/tps6594-esm.c @@ -13,6 +13,8 @@ #include <linux/mfd/tps6594.h> +#define TPS6594_DEV_REV_1 0x08 + static irqreturn_t tps6594_esm_isr(int irq, void *dev_id) { struct platform_device *pdev = dev_id; @@ -32,11 +34,26 @@ static int tps6594_esm_probe(struct platform_device *pdev) { struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); struct device *dev = &pdev->dev; + unsigned int rev; int irq; int ret; int i; - for (i = 0 ; i < pdev->num_resources ; i++) { + /* + * Due to a bug in revision 1 of the PMIC, the GPIO3 used for the + * SoC ESM function is used to power the load switch instead. + * As a consequence, ESM can not be used on those PMIC. + * Check the version and return an error in case of revision 1. + */ + ret = regmap_read(tps->regmap, TPS6594_REG_DEV_REV, &rev); + if (ret) + return dev_err_probe(dev, ret, + "Failed to read PMIC revision\n"); + if (rev == TPS6594_DEV_REV_1) + return dev_err_probe(dev, -ENODEV, + "ESM not supported for revision 1 PMIC\n"); + + for (i = 0; i < pdev->num_resources; i++) { irq = platform_get_irq_byname(pdev, pdev->resource[i].name); if (irq < 0) return dev_err_probe(dev, irq, "Failed to get %s irq\n", diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index f701efb1fa78..b6f4be25b31b 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -2097,14 +2097,14 @@ static void mmc_blk_mq_poll_completion(struct mmc_queue *mq, mmc_blk_urgent_bkops(mq, mqrq); } -static void mmc_blk_mq_dec_in_flight(struct mmc_queue *mq, struct request *req) +static void mmc_blk_mq_dec_in_flight(struct mmc_queue *mq, enum mmc_issue_type issue_type) { unsigned long flags; bool put_card; spin_lock_irqsave(&mq->lock, flags); - mq->in_flight[mmc_issue_type(mq, req)] -= 1; + mq->in_flight[issue_type] -= 1; put_card = (mmc_tot_in_flight(mq) == 0); @@ -2117,6 +2117,7 @@ static void mmc_blk_mq_dec_in_flight(struct mmc_queue *mq, struct request *req) static void mmc_blk_mq_post_req(struct mmc_queue *mq, struct request *req, bool can_sleep) { + enum mmc_issue_type issue_type = mmc_issue_type(mq, req); struct mmc_queue_req *mqrq = req_to_mmc_queue_req(req); struct mmc_request *mrq = &mqrq->brq.mrq; struct mmc_host *host = mq->card->host; @@ -2136,7 +2137,7 @@ static void mmc_blk_mq_post_req(struct mmc_queue *mq, struct request *req, blk_mq_complete_request(req); } - mmc_blk_mq_dec_in_flight(mq, req); + mmc_blk_mq_dec_in_flight(mq, issue_type); } void mmc_blk_mq_recovery(struct mmc_queue *mq) diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 2d002c81dcf3..d0d6ffcf78d4 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -338,13 +338,7 @@ static void moxart_transfer_pio(struct moxart_host *host) return; } for (len = 0; len < remain && len < host->fifo_width;) { - /* SCR data must be read in big endian. */ - if (data->mrq->cmd->opcode == SD_APP_SEND_SCR) - *sgp = ioread32be(host->base + - REG_DATA_WINDOW); - else - *sgp = ioread32(host->base + - REG_DATA_WINDOW); + *sgp = ioread32(host->base + REG_DATA_WINDOW); sgp++; len += 4; } diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c index a202a69a4b08..3215063bcf86 100644 --- a/drivers/mmc/host/sdhci_f_sdh30.c +++ b/drivers/mmc/host/sdhci_f_sdh30.c @@ -29,9 +29,16 @@ struct f_sdhost_priv { bool enable_cmd_dat_delay; }; +static void *sdhci_f_sdhost_priv(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + + return sdhci_pltfm_priv(pltfm_host); +} + static void sdhci_f_sdh30_soft_voltage_switch(struct sdhci_host *host) { - struct f_sdhost_priv *priv = sdhci_priv(host); + struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host); u32 ctrl = 0; usleep_range(2500, 3000); @@ -64,7 +71,7 @@ static unsigned int sdhci_f_sdh30_get_min_clock(struct sdhci_host *host) static void sdhci_f_sdh30_reset(struct sdhci_host *host, u8 mask) { - struct f_sdhost_priv *priv = sdhci_priv(host); + struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host); u32 ctl; if (sdhci_readw(host, SDHCI_CLOCK_CONTROL) == 0) @@ -95,30 +102,32 @@ static const struct sdhci_ops sdhci_f_sdh30_ops = { .set_uhs_signaling = sdhci_set_uhs_signaling, }; +static const struct sdhci_pltfm_data sdhci_f_sdh30_pltfm_data = { + .ops = &sdhci_f_sdh30_ops, + .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC + | SDHCI_QUIRK_INVERTED_WRITE_PROTECT, + .quirks2 = SDHCI_QUIRK2_SUPPORT_SINGLE + | SDHCI_QUIRK2_TUNING_WORK_AROUND, +}; + static int sdhci_f_sdh30_probe(struct platform_device *pdev) { struct sdhci_host *host; struct device *dev = &pdev->dev; - int irq, ctrl = 0, ret = 0; + int ctrl = 0, ret = 0; struct f_sdhost_priv *priv; + struct sdhci_pltfm_host *pltfm_host; u32 reg = 0; - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - host = sdhci_alloc_host(dev, sizeof(struct f_sdhost_priv)); + host = sdhci_pltfm_init(pdev, &sdhci_f_sdh30_pltfm_data, + sizeof(struct f_sdhost_priv)); if (IS_ERR(host)) return PTR_ERR(host); - priv = sdhci_priv(host); + pltfm_host = sdhci_priv(host); + priv = sdhci_pltfm_priv(pltfm_host); priv->dev = dev; - host->quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC | - SDHCI_QUIRK_INVERTED_WRITE_PROTECT; - host->quirks2 = SDHCI_QUIRK2_SUPPORT_SINGLE | - SDHCI_QUIRK2_TUNING_WORK_AROUND; - priv->enable_cmd_dat_delay = device_property_read_bool(dev, "fujitsu,cmd-dat-delay-select"); @@ -126,18 +135,6 @@ static int sdhci_f_sdh30_probe(struct platform_device *pdev) if (ret) goto err; - platform_set_drvdata(pdev, host); - - host->hw_name = "f_sdh30"; - host->ops = &sdhci_f_sdh30_ops; - host->irq = irq; - - host->ioaddr = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(host->ioaddr)) { - ret = PTR_ERR(host->ioaddr); - goto err; - } - if (dev_of_node(dev)) { sdhci_get_of_property(pdev); @@ -204,24 +201,24 @@ err_rst: err_clk: clk_disable_unprepare(priv->clk_iface); err: - sdhci_free_host(host); + sdhci_pltfm_free(pdev); + return ret; } static int sdhci_f_sdh30_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); - struct f_sdhost_priv *priv = sdhci_priv(host); + struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host); + struct clk *clk_iface = priv->clk_iface; + struct reset_control *rst = priv->rst; + struct clk *clk = priv->clk; - sdhci_remove_host(host, readl(host->ioaddr + SDHCI_INT_STATUS) == - 0xffffffff); - - reset_control_assert(priv->rst); - clk_disable_unprepare(priv->clk); - clk_disable_unprepare(priv->clk_iface); + sdhci_pltfm_unregister(pdev); - sdhci_free_host(host); - platform_set_drvdata(pdev, NULL); + reset_control_assert(rst); + clk_disable_unprepare(clk); + clk_disable_unprepare(clk_iface); return 0; } diff --git a/drivers/mmc/host/sunplus-mmc.c b/drivers/mmc/host/sunplus-mmc.c index db5e0dcdfa7f..2bdebeb1f8e4 100644 --- a/drivers/mmc/host/sunplus-mmc.c +++ b/drivers/mmc/host/sunplus-mmc.c @@ -863,11 +863,9 @@ static int spmmc_drv_probe(struct platform_device *pdev) struct spmmc_host *host; int ret = 0; - mmc = mmc_alloc_host(sizeof(*host), &pdev->dev); - if (!mmc) { - ret = -ENOMEM; - goto probe_free_host; - } + mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(struct spmmc_host)); + if (!mmc) + return -ENOMEM; host = mmc_priv(mmc); host->mmc = mmc; @@ -902,7 +900,7 @@ static int spmmc_drv_probe(struct platform_device *pdev) ret = mmc_of_parse(mmc); if (ret) - goto probe_free_host; + goto clk_disable; mmc->ops = &spmmc_ops; mmc->f_min = SPMMC_MIN_CLK; @@ -911,7 +909,7 @@ static int spmmc_drv_probe(struct platform_device *pdev) ret = mmc_regulator_get_supply(mmc); if (ret) - goto probe_free_host; + goto clk_disable; if (!mmc->ocr_avail) mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; @@ -927,14 +925,17 @@ static int spmmc_drv_probe(struct platform_device *pdev) host->tuning_info.enable_tuning = 1; pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); - mmc_add_host(mmc); + ret = mmc_add_host(mmc); + if (ret) + goto pm_disable; - return ret; + return 0; -probe_free_host: - if (mmc) - mmc_free_host(mmc); +pm_disable: + pm_runtime_disable(&pdev->dev); +clk_disable: + clk_disable_unprepare(host->clk); return ret; } @@ -948,7 +949,6 @@ static int spmmc_drv_remove(struct platform_device *dev) pm_runtime_put_noidle(&dev->dev); pm_runtime_disable(&dev->dev); platform_set_drvdata(dev, NULL); - mmc_free_host(host->mmc); return 0; } diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c index 521af9251f33..bf2a92fba0ed 100644 --- a/drivers/mmc/host/wbsd.c +++ b/drivers/mmc/host/wbsd.c @@ -1705,8 +1705,6 @@ static int wbsd_init(struct device *dev, int base, int irq, int dma, wbsd_release_resources(host); wbsd_free_mmc(dev); - - mmc_free_host(mmc); return ret; } diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index b9dbad3a8af8..fc5da5d7744d 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -660,10 +660,10 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond) return NULL; arp = (struct arp_pkt *)skb_network_header(skb); - /* Don't modify or load balance ARPs that do not originate locally - * (e.g.,arrive via a bridge). + /* Don't modify or load balance ARPs that do not originate + * from the bond itself or a VLAN directly above the bond. */ - if (!bond_slave_has_mac_rx(bond, arp->mac_src)) + if (!bond_slave_has_mac_rcu(bond, arp->mac_src)) return NULL; dev = ip_dev_find(dev_net(bond->dev), arp->ip_src); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 484c9e3e5e82..447b06ea4fc9 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -5901,7 +5901,9 @@ void bond_setup(struct net_device *bond_dev) bond_dev->hw_features = BOND_VLAN_FEATURES | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_CTAG_FILTER; + NETIF_F_HW_VLAN_CTAG_FILTER | + NETIF_F_HW_VLAN_STAG_RX | + NETIF_F_HW_VLAN_STAG_FILTER; bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; bond_dev->features |= bond_dev->hw_features; diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c index 4068d962203d..98c669ad5141 100644 --- a/drivers/net/can/vxcan.c +++ b/drivers/net/can/vxcan.c @@ -192,12 +192,7 @@ static int vxcan_newlink(struct net *net, struct net_device *dev, nla_peer = data[VXCAN_INFO_PEER]; ifmp = nla_data(nla_peer); - err = rtnl_nla_parse_ifla(peer_tb, - nla_data(nla_peer) + - sizeof(struct ifinfomsg), - nla_len(nla_peer) - - sizeof(struct ifinfomsg), - NULL); + err = rtnl_nla_parse_ifinfomsg(peer_tb, nla_peer, extack); if (err < 0) return err; diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 38b3c6dda386..b8bb9f3b3609 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -1006,6 +1006,10 @@ mt753x_trap_frames(struct mt7530_priv *priv) mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK, MT753X_BPDU_CPU_ONLY); + /* Trap 802.1X PAE frames to the CPU port(s) */ + mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_PORT_FW_MASK, + MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY)); + /* Trap LLDP frames with :0E MAC DA to the CPU port(s) */ mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_PORT_FW_MASK, MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY)); diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index 08045b035e6a..17e42d30fff4 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -66,6 +66,8 @@ enum mt753x_id { /* Registers for BPDU and PAE frame control*/ #define MT753X_BPC 0x24 #define MT753X_BPDU_PORT_FW_MASK GENMASK(2, 0) +#define MT753X_PAE_PORT_FW_MASK GENMASK(18, 16) +#define MT753X_PAE_PORT_FW(x) FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x) /* Register for :03 and :0E MAC DA frame control */ #define MT753X_RGAC2 0x2c diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index c7d51a539451..7af2f08a62f1 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -3034,6 +3034,14 @@ static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip) /* If there is a GPIO connected to the reset pin, toggle it */ if (gpiod) { + /* If the switch has just been reset and not yet completed + * loading EEPROM, the reset may interrupt the I2C transaction + * mid-byte, causing the first EEPROM read after the reset + * from the wrong location resulting in the switch booting + * to wrong mode and inoperable. + */ + mv88e6xxx_g1_wait_eeprom_done(chip); + gpiod_set_value_cansleep(gpiod, 1); usleep_range(10000, 20000); gpiod_set_value_cansleep(gpiod, 0); diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 8da46d284e35..bef879c6d500 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -1625,8 +1625,10 @@ static void felix_teardown(struct dsa_switch *ds) struct felix *felix = ocelot_to_felix(ocelot); struct dsa_port *dp; + rtnl_lock(); if (felix->tag_proto_ops) felix->tag_proto_ops->teardown(ds); + rtnl_unlock(); dsa_switch_for_each_available_port(dp, ds) ocelot_deinit_port(ocelot, dp->index); diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 1c113957fcf4..f16daa9b1765 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -1069,6 +1069,9 @@ static u64 vsc9959_tas_remaining_gate_len_ps(u64 gate_len_ns) if (gate_len_ns == U64_MAX) return U64_MAX; + if (gate_len_ns < VSC9959_TAS_MIN_GATE_LEN_NS) + return 0; + return (gate_len_ns - VSC9959_TAS_MIN_GATE_LEN_NS) * PSEC_PER_NSEC; } diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index 392ec09a1d8a..3e4fb3c3e834 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -1793,11 +1793,9 @@ static int b44_nway_reset(struct net_device *dev) b44_readphy(bp, MII_BMCR, &bmcr); b44_readphy(bp, MII_BMCR, &bmcr); r = -EINVAL; - if (bmcr & BMCR_ANENABLE) { - b44_writephy(bp, MII_BMCR, - bmcr | BMCR_ANRESTART); - r = 0; - } + if (bmcr & BMCR_ANENABLE) + r = b44_writephy(bp, MII_BMCR, + bmcr | BMCR_ANRESTART); spin_unlock_irq(&bp->lock); return r; diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 10c7c232cc4e..52ee3751187a 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1448,7 +1448,7 @@ int bgmac_phy_connect_direct(struct bgmac *bgmac) int err; phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, NULL); - if (!phy_dev || IS_ERR(phy_dev)) { + if (IS_ERR(phy_dev)) { dev_err(bgmac->dev, "Failed to register fixed PHY device\n"); return -ENODEV; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 8bcde0a6e011..e2a4e1088b7f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1508,6 +1508,8 @@ struct bnx2x { bool cnic_loaded; struct cnic_eth_dev *(*cnic_probe)(struct net_device *); + bool nic_stopped; + /* Flag that indicates that we can start looking for FCoE L2 queue * completions in the default status block. */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 6ea5521074d3..e9c1e1bb5580 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -2715,6 +2715,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bnx2x_add_all_napi(bp); DP(NETIF_MSG_IFUP, "napi added\n"); bnx2x_napi_enable(bp); + bp->nic_stopped = false; if (IS_PF(bp)) { /* set pf load just before approaching the MCP */ @@ -2960,6 +2961,7 @@ load_error2: load_error1: bnx2x_napi_disable(bp); bnx2x_del_all_napi(bp); + bp->nic_stopped = true; /* clear pf_load status, as it was already set */ if (IS_PF(bp)) @@ -3095,14 +3097,17 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link) if (!CHIP_IS_E1x(bp)) bnx2x_pf_disable(bp); - /* Disable HW interrupts, NAPI */ - bnx2x_netif_stop(bp, 1); - /* Delete all NAPI objects */ - bnx2x_del_all_napi(bp); - if (CNIC_LOADED(bp)) - bnx2x_del_all_napi_cnic(bp); - /* Release IRQs */ - bnx2x_free_irq(bp); + if (!bp->nic_stopped) { + /* Disable HW interrupts, NAPI */ + bnx2x_netif_stop(bp, 1); + /* Delete all NAPI objects */ + bnx2x_del_all_napi(bp); + if (CNIC_LOADED(bp)) + bnx2x_del_all_napi_cnic(bp); + /* Release IRQs */ + bnx2x_free_irq(bp); + bp->nic_stopped = true; + } /* Report UNLOAD_DONE to MCP */ bnx2x_send_unload_done(bp, false); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 1e7a6f1d4223..0d8e61c63c7c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -9474,15 +9474,18 @@ unload_error: } } - /* Disable HW interrupts, NAPI */ - bnx2x_netif_stop(bp, 1); - /* Delete all NAPI objects */ - bnx2x_del_all_napi(bp); - if (CNIC_LOADED(bp)) - bnx2x_del_all_napi_cnic(bp); + if (!bp->nic_stopped) { + /* Disable HW interrupts, NAPI */ + bnx2x_netif_stop(bp, 1); + /* Delete all NAPI objects */ + bnx2x_del_all_napi(bp); + if (CNIC_LOADED(bp)) + bnx2x_del_all_napi_cnic(bp); - /* Release IRQs */ - bnx2x_free_irq(bp); + /* Release IRQs */ + bnx2x_free_irq(bp); + bp->nic_stopped = true; + } /* Reset the chip, unless PCI function is offline. If we reach this * point following a PCI error handling, it means device is really @@ -14238,13 +14241,16 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev) } bnx2x_drain_tx_queues(bp); bnx2x_send_unload_req(bp, UNLOAD_RECOVERY); - bnx2x_netif_stop(bp, 1); - bnx2x_del_all_napi(bp); + if (!bp->nic_stopped) { + bnx2x_netif_stop(bp, 1); + bnx2x_del_all_napi(bp); - if (CNIC_LOADED(bp)) - bnx2x_del_all_napi_cnic(bp); + if (CNIC_LOADED(bp)) + bnx2x_del_all_napi_cnic(bp); - bnx2x_free_irq(bp); + bnx2x_free_irq(bp); + bp->nic_stopped = true; + } /* Report UNLOAD_DONE to MCP */ bnx2x_send_unload_done(bp, true); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index 0657a0f5170f..8946a931e87e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -529,13 +529,16 @@ void bnx2x_vfpf_close_vf(struct bnx2x *bp) bnx2x_vfpf_finalize(bp, &req->first_tlv); free_irq: - /* Disable HW interrupts, NAPI */ - bnx2x_netif_stop(bp, 0); - /* Delete all NAPI objects */ - bnx2x_del_all_napi(bp); - - /* Release IRQs */ - bnx2x_free_irq(bp); + if (!bp->nic_stopped) { + /* Disable HW interrupts, NAPI */ + bnx2x_netif_stop(bp, 0); + /* Delete all NAPI objects */ + bnx2x_del_all_napi(bp); + + /* Release IRQs */ + bnx2x_free_irq(bp); + bp->nic_stopped = true; + } } static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 0092e46c46f8..cc3afb605b1e 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -617,7 +617,7 @@ static int bcmgenet_mii_pd_init(struct bcmgenet_priv *priv) }; phydev = fixed_phy_register(PHY_POLL, &fphy_status, NULL); - if (!phydev || IS_ERR(phydev)) { + if (IS_ERR(phydev)) { dev_err(kdev, "failed to register fixed PHY device\n"); return -ENODEV; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 5ef073a79ce9..cb2810f175cc 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6881,7 +6881,10 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) ri->data = NULL; - skb = build_skb(data, frag_size); + if (frag_size) + skb = build_skb(data, frag_size); + else + skb = slab_build_skb(data); if (!skb) { tg3_frag_free(frag_size != 0, data); goto drop_it_no_recycle; diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index f6a0f12a6d52..82929ee76739 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -5194,6 +5194,9 @@ static int __maybe_unused macb_suspend(struct device *dev) unsigned int q; int err; + if (!device_may_wakeup(&bp->dev->dev)) + phy_exit(bp->sgmii_phy); + if (!netif_running(netdev)) return 0; @@ -5254,7 +5257,6 @@ static int __maybe_unused macb_suspend(struct device *dev) if (!(bp->wol & MACB_WOL_ENABLED)) { rtnl_lock(); phylink_stop(bp->phylink); - phy_exit(bp->sgmii_phy); rtnl_unlock(); spin_lock_irqsave(&bp->lock, flags); macb_reset_hw(bp); @@ -5284,6 +5286,9 @@ static int __maybe_unused macb_resume(struct device *dev) unsigned int q; int err; + if (!device_may_wakeup(&bp->dev->dev)) + phy_init(bp->sgmii_phy); + if (!netif_running(netdev)) return 0; @@ -5344,8 +5349,6 @@ static int __maybe_unused macb_resume(struct device *dev) macb_set_rx_mode(netdev); macb_restore_features(bp); rtnl_lock(); - if (!device_may_wakeup(&bp->dev->dev)) - phy_init(bp->sgmii_phy); phylink_start(bp->phylink); rtnl_unlock(); diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c index c2e7037c7ba1..7750702900fa 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c @@ -1466,7 +1466,7 @@ static void make_established(struct sock *sk, u32 snd_isn, unsigned int opt) tp->write_seq = snd_isn; tp->snd_nxt = snd_isn; tp->snd_una = snd_isn; - inet_sk(sk)->inet_id = get_random_u16(); + atomic_set(&inet_sk(sk)->inet_id, get_random_u16()); assign_rxopt(sk, opt); if (tp->rcv_wnd > (RCV_BUFSIZ_M << 10)) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 1416262d4296..e0a4cb7e3f50 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -1186,14 +1186,9 @@ static int enetc_init_port_rss_memory(struct enetc_si *si) static int enetc_pf_register_with_ierb(struct pci_dev *pdev) { - struct device_node *node = pdev->dev.of_node; struct platform_device *ierb_pdev; struct device_node *ierb_node; - /* Don't register with the IERB if the PF itself is disabled */ - if (!node || !of_device_is_available(node)) - return 0; - ierb_node = of_find_compatible_node(NULL, NULL, "fsl,ls1028a-enetc-ierb"); if (!ierb_node || !of_device_is_available(ierb_node)) @@ -1208,56 +1203,81 @@ static int enetc_pf_register_with_ierb(struct pci_dev *pdev) return enetc_ierb_register_pf(ierb_pdev, pdev); } -static int enetc_pf_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) +static struct enetc_si *enetc_psi_create(struct pci_dev *pdev) { - struct device_node *node = pdev->dev.of_node; - struct enetc_ndev_priv *priv; - struct net_device *ndev; struct enetc_si *si; - struct enetc_pf *pf; int err; - err = enetc_pf_register_with_ierb(pdev); - if (err == -EPROBE_DEFER) - return err; - if (err) - dev_warn(&pdev->dev, - "Could not register with IERB driver: %pe, please update the device tree\n", - ERR_PTR(err)); - - err = enetc_pci_probe(pdev, KBUILD_MODNAME, sizeof(*pf)); - if (err) - return dev_err_probe(&pdev->dev, err, "PCI probing failed\n"); + err = enetc_pci_probe(pdev, KBUILD_MODNAME, sizeof(struct enetc_pf)); + if (err) { + dev_err_probe(&pdev->dev, err, "PCI probing failed\n"); + goto out; + } si = pci_get_drvdata(pdev); if (!si->hw.port || !si->hw.global) { err = -ENODEV; dev_err(&pdev->dev, "could not map PF space, probing a VF?\n"); - goto err_map_pf_space; + goto out_pci_remove; } err = enetc_setup_cbdr(&pdev->dev, &si->hw, ENETC_CBDR_DEFAULT_SIZE, &si->cbd_ring); if (err) - goto err_setup_cbdr; + goto out_pci_remove; err = enetc_init_port_rfs_memory(si); if (err) { dev_err(&pdev->dev, "Failed to initialize RFS memory\n"); - goto err_init_port_rfs; + goto out_teardown_cbdr; } err = enetc_init_port_rss_memory(si); if (err) { dev_err(&pdev->dev, "Failed to initialize RSS memory\n"); - goto err_init_port_rss; + goto out_teardown_cbdr; } - if (node && !of_device_is_available(node)) { - dev_info(&pdev->dev, "device is disabled, skipping\n"); - err = -ENODEV; - goto err_device_disabled; + return si; + +out_teardown_cbdr: + enetc_teardown_cbdr(&si->cbd_ring); +out_pci_remove: + enetc_pci_remove(pdev); +out: + return ERR_PTR(err); +} + +static void enetc_psi_destroy(struct pci_dev *pdev) +{ + struct enetc_si *si = pci_get_drvdata(pdev); + + enetc_teardown_cbdr(&si->cbd_ring); + enetc_pci_remove(pdev); +} + +static int enetc_pf_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct device_node *node = pdev->dev.of_node; + struct enetc_ndev_priv *priv; + struct net_device *ndev; + struct enetc_si *si; + struct enetc_pf *pf; + int err; + + err = enetc_pf_register_with_ierb(pdev); + if (err == -EPROBE_DEFER) + return err; + if (err) + dev_warn(&pdev->dev, + "Could not register with IERB driver: %pe, please update the device tree\n", + ERR_PTR(err)); + + si = enetc_psi_create(pdev); + if (IS_ERR(si)) { + err = PTR_ERR(si); + goto err_psi_create; } pf = enetc_si_priv(si); @@ -1339,15 +1359,9 @@ err_alloc_si_res: si->ndev = NULL; free_netdev(ndev); err_alloc_netdev: -err_init_port_rss: -err_init_port_rfs: -err_device_disabled: err_setup_mac_addresses: - enetc_teardown_cbdr(&si->cbd_ring); -err_setup_cbdr: -err_map_pf_space: - enetc_pci_remove(pdev); - + enetc_psi_destroy(pdev); +err_psi_create: return err; } @@ -1370,12 +1384,29 @@ static void enetc_pf_remove(struct pci_dev *pdev) enetc_free_msix(priv); enetc_free_si_resources(priv); - enetc_teardown_cbdr(&si->cbd_ring); free_netdev(si->ndev); - enetc_pci_remove(pdev); + enetc_psi_destroy(pdev); +} + +static void enetc_fixup_clear_rss_rfs(struct pci_dev *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct enetc_si *si; + + /* Only apply quirk for disabled functions. For the ones + * that are enabled, enetc_pf_probe() will apply it. + */ + if (node && of_device_is_available(node)) + return; + + si = enetc_psi_create(pdev); + if (si) + enetc_psi_destroy(pdev); } +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID_PF, + enetc_fixup_clear_rss_rfs); static const struct pci_device_id enetc_pf_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID_PF) }, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 52546f625c8b..f276b5ecb431 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -464,9 +464,9 @@ static void hns3_dbg_fill_content(char *content, u16 len, if (result) { if (item_len < strlen(result[i])) break; - strscpy(pos, result[i], strlen(result[i])); + memcpy(pos, result[i], strlen(result[i])); } else { - strscpy(pos, items[i].name, strlen(items[i].name)); + memcpy(pos, items[i].name, strlen(items[i].name)); } pos += item_len; len -= item_len; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 9f6890059666..b7b51e56b030 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -5854,6 +5854,9 @@ void hns3_external_lb_prepare(struct net_device *ndev, bool if_running) if (!if_running) return; + if (test_and_set_bit(HNS3_NIC_STATE_DOWN, &priv->state)) + return; + netif_carrier_off(ndev); netif_tx_disable(ndev); @@ -5882,7 +5885,16 @@ void hns3_external_lb_restore(struct net_device *ndev, bool if_running) if (!if_running) return; - hns3_nic_reset_all_ring(priv->ae_handle); + if (hns3_nic_resetting(ndev)) + return; + + if (!test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) + return; + + if (hns3_nic_reset_all_ring(priv->ae_handle)) + return; + + clear_bit(HNS3_NIC_STATE_DOWN, &priv->state); for (i = 0; i < priv->vector_num; i++) hns3_vector_enable(&priv->tqp_vector[i]); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 409db2e70965..0fb2eaee3e8a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -111,9 +111,9 @@ static void hclge_dbg_fill_content(char *content, u16 len, if (result) { if (item_len < strlen(result[i])) break; - strscpy(pos, result[i], strlen(result[i])); + memcpy(pos, result[i], strlen(result[i])); } else { - strscpy(pos, items[i].name, strlen(items[i].name)); + memcpy(pos, items[i].name, strlen(items[i].name)); } pos += item_len; len -= item_len; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index bf675c15fbb9..a940e35aef29 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -72,6 +72,8 @@ static void hclge_restore_hw_table(struct hclge_dev *hdev); static void hclge_sync_promisc_mode(struct hclge_dev *hdev); static void hclge_sync_fd_table(struct hclge_dev *hdev); static void hclge_update_fec_stats(struct hclge_dev *hdev); +static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret, + int wait_cnt); static struct hnae3_ae_algo ae_algo; @@ -7558,6 +7560,8 @@ static void hclge_enable_fd(struct hnae3_handle *handle, bool enable) static void hclge_cfg_mac_mode(struct hclge_dev *hdev, bool enable) { +#define HCLGE_LINK_STATUS_WAIT_CNT 3 + struct hclge_desc desc; struct hclge_config_mac_mode_cmd *req = (struct hclge_config_mac_mode_cmd *)desc.data; @@ -7582,9 +7586,15 @@ static void hclge_cfg_mac_mode(struct hclge_dev *hdev, bool enable) req->txrx_pad_fcs_loop_en = cpu_to_le32(loop_en); ret = hclge_cmd_send(&hdev->hw, &desc, 1); - if (ret) + if (ret) { dev_err(&hdev->pdev->dev, "mac enable fail, ret =%d.\n", ret); + return; + } + + if (!enable) + hclge_mac_link_status_wait(hdev, HCLGE_LINK_STATUS_DOWN, + HCLGE_LINK_STATUS_WAIT_CNT); } static int hclge_config_switch_param(struct hclge_dev *hdev, int vfid, @@ -7647,10 +7657,9 @@ static void hclge_phy_link_status_wait(struct hclge_dev *hdev, } while (++i < HCLGE_PHY_LINK_STATUS_NUM); } -static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret) +static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret, + int wait_cnt) { -#define HCLGE_MAC_LINK_STATUS_NUM 100 - int link_status; int i = 0; int ret; @@ -7663,13 +7672,15 @@ static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret) return 0; msleep(HCLGE_LINK_STATUS_MS); - } while (++i < HCLGE_MAC_LINK_STATUS_NUM); + } while (++i < wait_cnt); return -EBUSY; } static int hclge_mac_phy_link_status_wait(struct hclge_dev *hdev, bool en, bool is_phy) { +#define HCLGE_MAC_LINK_STATUS_NUM 100 + int link_ret; link_ret = en ? HCLGE_LINK_STATUS_UP : HCLGE_LINK_STATUS_DOWN; @@ -7677,7 +7688,8 @@ static int hclge_mac_phy_link_status_wait(struct hclge_dev *hdev, bool en, if (is_phy) hclge_phy_link_status_wait(hdev, link_ret); - return hclge_mac_link_status_wait(hdev, link_ret); + return hclge_mac_link_status_wait(hdev, link_ret, + HCLGE_MAC_LINK_STATUS_NUM); } static int hclge_set_app_loopback(struct hclge_dev *hdev, bool en) @@ -10915,9 +10927,12 @@ int hclge_cfg_flowctrl(struct hclge_dev *hdev) u32 rx_pause, tx_pause; u8 flowctl; - if (!phydev->link || !phydev->autoneg) + if (!phydev->link) return 0; + if (!phydev->autoneg) + return hclge_mac_pause_setup_hw(hdev); + local_advertising = linkmode_adv_to_lcl_adv_t(phydev->advertising); if (phydev->pause) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index de509e5751a7..c58c31221762 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -1553,7 +1553,7 @@ static int hclge_bp_setup_hw(struct hclge_dev *hdev, u8 tc) return 0; } -static int hclge_mac_pause_setup_hw(struct hclge_dev *hdev) +int hclge_mac_pause_setup_hw(struct hclge_dev *hdev) { bool tx_en, rx_en; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h index 45dcfef3f90c..53eec6df5194 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h @@ -245,6 +245,7 @@ int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap, u8 pfc_bitmap); int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx); int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr); +int hclge_mac_pause_setup_hw(struct hclge_dev *hdev); void hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats); void hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats); int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate); diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 113fcb3e353e..832a2ae01950 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -203,7 +203,7 @@ static inline void ibmveth_flush_buffer(void *addr, unsigned long length) unsigned long offset; for (offset = 0; offset < length; offset += SMP_CACHE_BYTES) - asm("dcbfl %0,%1" :: "b" (addr), "r" (offset)); + asm("dcbf %0,%1,1" :: "b" (addr), "r" (offset)); } /* replenish the buffers for a pool. note that we don't need to diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 763d613adbcc..df76cdaddcfb 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -97,6 +97,8 @@ static int pending_scrq(struct ibmvnic_adapter *, static union sub_crq *ibmvnic_next_scrq(struct ibmvnic_adapter *, struct ibmvnic_sub_crq_queue *); static int ibmvnic_poll(struct napi_struct *napi, int data); +static int reset_sub_crq_queues(struct ibmvnic_adapter *adapter); +static inline void reinit_init_done(struct ibmvnic_adapter *adapter); static void send_query_map(struct ibmvnic_adapter *adapter); static int send_request_map(struct ibmvnic_adapter *, dma_addr_t, u32, u8); static int send_request_unmap(struct ibmvnic_adapter *, u8); @@ -114,6 +116,7 @@ static void ibmvnic_tx_scrq_clean_buffer(struct ibmvnic_adapter *adapter, static void free_long_term_buff(struct ibmvnic_adapter *adapter, struct ibmvnic_long_term_buff *ltb); static void ibmvnic_disable_irqs(struct ibmvnic_adapter *adapter); +static void flush_reset_queue(struct ibmvnic_adapter *adapter); struct ibmvnic_stat { char name[ETH_GSTRING_LEN]; @@ -1505,8 +1508,8 @@ static const char *adapter_state_to_string(enum vnic_state state) static int ibmvnic_login(struct net_device *netdev) { + unsigned long flags, timeout = msecs_to_jiffies(20000); struct ibmvnic_adapter *adapter = netdev_priv(netdev); - unsigned long timeout = msecs_to_jiffies(20000); int retry_count = 0; int retries = 10; bool retry; @@ -1527,11 +1530,9 @@ static int ibmvnic_login(struct net_device *netdev) if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { - netdev_warn(netdev, "Login timed out, retrying...\n"); - retry = true; - adapter->init_done_rc = 0; - retry_count++; - continue; + netdev_warn(netdev, "Login timed out\n"); + adapter->login_pending = false; + goto partial_reset; } if (adapter->init_done_rc == ABORTED) { @@ -1573,10 +1574,69 @@ static int ibmvnic_login(struct net_device *netdev) "SCRQ irq initialization failed\n"); return rc; } + /* Default/timeout error handling, reset and start fresh */ } else if (adapter->init_done_rc) { netdev_warn(netdev, "Adapter login failed, init_done_rc = %d\n", adapter->init_done_rc); - return -EIO; + +partial_reset: + /* adapter login failed, so free any CRQs or sub-CRQs + * and register again before attempting to login again. + * If we don't do this then the VIOS may think that + * we are already logged in and reject any subsequent + * attempts + */ + netdev_warn(netdev, + "Freeing and re-registering CRQs before attempting to login again\n"); + retry = true; + adapter->init_done_rc = 0; + release_sub_crqs(adapter, true); + /* Much of this is similar logic as ibmvnic_probe(), + * we are essentially re-initializing communication + * with the server. We really should not run any + * resets/failovers here because this is already a form + * of reset and we do not want parallel resets occurring + */ + do { + reinit_init_done(adapter); + /* Clear any failovers we got in the previous + * pass since we are re-initializing the CRQ + */ + adapter->failover_pending = false; + release_crq_queue(adapter); + /* If we don't sleep here then we risk an + * unnecessary failover event from the VIOS. + * This is a known VIOS issue caused by a vnic + * device freeing and registering a CRQ too + * quickly. + */ + msleep(1500); + /* Avoid any resets, since we are currently + * resetting. + */ + spin_lock_irqsave(&adapter->rwi_lock, flags); + flush_reset_queue(adapter); + spin_unlock_irqrestore(&adapter->rwi_lock, + flags); + + rc = init_crq_queue(adapter); + if (rc) { + netdev_err(netdev, "login recovery: init CRQ failed %d\n", + rc); + return -EIO; + } + + rc = ibmvnic_reset_init(adapter, false); + if (rc) + netdev_err(netdev, "login recovery: Reset init failed %d\n", + rc); + /* IBMVNIC_CRQ_INIT will return EAGAIN if it + * fails, since ibmvnic_reset_init will free + * irq's in failure, we won't be able to receive + * new CRQs so we need to keep trying. probe() + * handles this similarly. + */ + } while (rc == -EAGAIN && retry_count++ < retries); } } while (retry); @@ -1588,12 +1648,22 @@ static int ibmvnic_login(struct net_device *netdev) static void release_login_buffer(struct ibmvnic_adapter *adapter) { + if (!adapter->login_buf) + return; + + dma_unmap_single(&adapter->vdev->dev, adapter->login_buf_token, + adapter->login_buf_sz, DMA_TO_DEVICE); kfree(adapter->login_buf); adapter->login_buf = NULL; } static void release_login_rsp_buffer(struct ibmvnic_adapter *adapter) { + if (!adapter->login_rsp_buf) + return; + + dma_unmap_single(&adapter->vdev->dev, adapter->login_rsp_buf_token, + adapter->login_rsp_buf_sz, DMA_FROM_DEVICE); kfree(adapter->login_rsp_buf); adapter->login_rsp_buf = NULL; } @@ -4830,11 +4900,14 @@ static int send_login(struct ibmvnic_adapter *adapter) if (rc) { adapter->login_pending = false; netdev_err(adapter->netdev, "Failed to send login, rc=%d\n", rc); - goto buf_rsp_map_failed; + goto buf_send_failed; } return 0; +buf_send_failed: + dma_unmap_single(dev, rsp_buffer_token, rsp_buffer_size, + DMA_FROM_DEVICE); buf_rsp_map_failed: kfree(login_rsp_buffer); adapter->login_rsp_buf = NULL; @@ -5396,6 +5469,7 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, int num_tx_pools; int num_rx_pools; u64 *size_array; + u32 rsp_len; int i; /* CHECK: Test/set of login_pending does not need to be atomic @@ -5407,11 +5481,6 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, } adapter->login_pending = false; - dma_unmap_single(dev, adapter->login_buf_token, adapter->login_buf_sz, - DMA_TO_DEVICE); - dma_unmap_single(dev, adapter->login_rsp_buf_token, - adapter->login_rsp_buf_sz, DMA_FROM_DEVICE); - /* If the number of queues requested can't be allocated by the * server, the login response will return with code 1. We will need * to resend the login buffer with fewer queues requested. @@ -5447,6 +5516,23 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, ibmvnic_reset(adapter, VNIC_RESET_FATAL); return -EIO; } + + rsp_len = be32_to_cpu(login_rsp->len); + if (be32_to_cpu(login->login_rsp_len) < rsp_len || + rsp_len <= be32_to_cpu(login_rsp->off_txsubm_subcrqs) || + rsp_len <= be32_to_cpu(login_rsp->off_rxadd_subcrqs) || + rsp_len <= be32_to_cpu(login_rsp->off_rxadd_buff_size) || + rsp_len <= be32_to_cpu(login_rsp->off_supp_tx_desc)) { + /* This can happen if a login request times out and there are + * 2 outstanding login requests sent, the LOGIN_RSP crq + * could have been for the older login request. So we are + * parsing the newer response buffer which may be incomplete + */ + dev_err(dev, "FATAL: Login rsp offsets/lengths invalid\n"); + ibmvnic_reset(adapter, VNIC_RESET_FATAL); + return -EIO; + } + size_array = (u64 *)((u8 *)(adapter->login_rsp_buf) + be32_to_cpu(adapter->login_rsp_buf->off_rxadd_buff_size)); /* variable buffer sizes are not supported, so just read the diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 29ad1797adce..a86bfa3bba74 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -2609,7 +2609,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) retval = i40e_correct_mac_vlan_filters (vsi, &tmp_add_list, &tmp_del_list, vlan_filters); - else + else if (pf->vf) retval = i40e_correct_vf_mac_vlan_filters (vsi, &tmp_add_list, &tmp_del_list, vlan_filters, pf->vf[vsi->vf_id].trusted); @@ -2782,7 +2782,8 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) } /* if the VF is not trusted do not do promisc */ - if ((vsi->type == I40E_VSI_SRIOV) && !pf->vf[vsi->vf_id].trusted) { + if (vsi->type == I40E_VSI_SRIOV && pf->vf && + !pf->vf[vsi->vf_id].trusted) { clear_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state); goto out; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index 9da0c87f0328..f99c1f7fec40 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -210,11 +210,11 @@ read_nvm_exit: * @hw: pointer to the HW structure. * @module_pointer: module pointer location in words from the NVM beginning * @offset: offset in words from module start - * @words: number of words to write - * @data: buffer with words to write to the Shadow RAM + * @words: number of words to read + * @data: buffer with words to read to the Shadow RAM * @last_command: tells the AdminQ that this is the last command * - * Writes a 16 bit words buffer to the Shadow RAM using the admin command. + * Reads a 16 bit words buffer to the Shadow RAM using the admin command. **/ static int i40e_read_nvm_aq(struct i40e_hw *hw, u8 module_pointer, u32 offset, @@ -234,18 +234,18 @@ static int i40e_read_nvm_aq(struct i40e_hw *hw, */ if ((offset + words) > hw->nvm.sr_size) i40e_debug(hw, I40E_DEBUG_NVM, - "NVM write error: offset %d beyond Shadow RAM limit %d\n", + "NVM read error: offset %d beyond Shadow RAM limit %d\n", (offset + words), hw->nvm.sr_size); else if (words > I40E_SR_SECTOR_SIZE_IN_WORDS) - /* We can write only up to 4KB (one sector), in one AQ write */ + /* We can read only up to 4KB (one sector), in one AQ write */ i40e_debug(hw, I40E_DEBUG_NVM, - "NVM write fail error: tried to write %d words, limit is %d.\n", + "NVM read fail error: tried to read %d words, limit is %d.\n", words, I40E_SR_SECTOR_SIZE_IN_WORDS); else if (((offset + (words - 1)) / I40E_SR_SECTOR_SIZE_IN_WORDS) != (offset / I40E_SR_SECTOR_SIZE_IN_WORDS)) - /* A single write cannot spread over two sectors */ + /* A single read cannot spread over two sectors */ i40e_debug(hw, I40E_DEBUG_NVM, - "NVM write error: cannot spread over two sectors in a single write offset=%d words=%d\n", + "NVM read error: cannot spread over two sectors in a single read offset=%d words=%d\n", offset, words); else ret_code = i40e_aq_read_nvm(hw, module_pointer, diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 2f47cfa7f06e..a34303ad057d 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -1289,6 +1289,7 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe fltr->ip_mask.src_port = fsp->m_u.tcp_ip4_spec.psrc; fltr->ip_mask.dst_port = fsp->m_u.tcp_ip4_spec.pdst; fltr->ip_mask.tos = fsp->m_u.tcp_ip4_spec.tos; + fltr->ip_ver = 4; break; case AH_V4_FLOW: case ESP_V4_FLOW: @@ -1300,6 +1301,7 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe fltr->ip_mask.v4_addrs.dst_ip = fsp->m_u.ah_ip4_spec.ip4dst; fltr->ip_mask.spi = fsp->m_u.ah_ip4_spec.spi; fltr->ip_mask.tos = fsp->m_u.ah_ip4_spec.tos; + fltr->ip_ver = 4; break; case IPV4_USER_FLOW: fltr->ip_data.v4_addrs.src_ip = fsp->h_u.usr_ip4_spec.ip4src; @@ -1312,6 +1314,7 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe fltr->ip_mask.l4_header = fsp->m_u.usr_ip4_spec.l4_4_bytes; fltr->ip_mask.tos = fsp->m_u.usr_ip4_spec.tos; fltr->ip_mask.proto = fsp->m_u.usr_ip4_spec.proto; + fltr->ip_ver = 4; break; case TCP_V6_FLOW: case UDP_V6_FLOW: @@ -1330,6 +1333,7 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe fltr->ip_mask.src_port = fsp->m_u.tcp_ip6_spec.psrc; fltr->ip_mask.dst_port = fsp->m_u.tcp_ip6_spec.pdst; fltr->ip_mask.tclass = fsp->m_u.tcp_ip6_spec.tclass; + fltr->ip_ver = 6; break; case AH_V6_FLOW: case ESP_V6_FLOW: @@ -1345,6 +1349,7 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe sizeof(struct in6_addr)); fltr->ip_mask.spi = fsp->m_u.ah_ip6_spec.spi; fltr->ip_mask.tclass = fsp->m_u.ah_ip6_spec.tclass; + fltr->ip_ver = 6; break; case IPV6_USER_FLOW: memcpy(&fltr->ip_data.v6_addrs.src_ip, fsp->h_u.usr_ip6_spec.ip6src, @@ -1361,6 +1366,7 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe fltr->ip_mask.l4_header = fsp->m_u.usr_ip6_spec.l4_4_bytes; fltr->ip_mask.tclass = fsp->m_u.usr_ip6_spec.tclass; fltr->ip_mask.proto = fsp->m_u.usr_ip6_spec.l4_proto; + fltr->ip_ver = 6; break; case ETHER_FLOW: fltr->eth_data.etype = fsp->h_u.ether_spec.h_proto; @@ -1371,6 +1377,10 @@ iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spe return -EINVAL; } + err = iavf_validate_fdir_fltr_masks(adapter, fltr); + if (err) + return err; + if (iavf_fdir_is_dup_fltr(adapter, fltr)) return -EEXIST; @@ -1401,14 +1411,15 @@ static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx if (fsp->flow_type & FLOW_MAC_EXT) return -EINVAL; + spin_lock_bh(&adapter->fdir_fltr_lock); if (adapter->fdir_active_fltr >= IAVF_MAX_FDIR_FILTERS) { + spin_unlock_bh(&adapter->fdir_fltr_lock); dev_err(&adapter->pdev->dev, "Unable to add Flow Director filter because VF reached the limit of max allowed filters (%u)\n", IAVF_MAX_FDIR_FILTERS); return -ENOSPC; } - spin_lock_bh(&adapter->fdir_fltr_lock); if (iavf_find_fdir_fltr_by_loc(adapter, fsp->location)) { dev_err(&adapter->pdev->dev, "Failed to add Flow Director filter, it already exists\n"); spin_unlock_bh(&adapter->fdir_fltr_lock); @@ -1781,7 +1792,9 @@ static int iavf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, case ETHTOOL_GRXCLSRLCNT: if (!FDIR_FLTR_SUPPORT(adapter)) break; + spin_lock_bh(&adapter->fdir_fltr_lock); cmd->rule_cnt = adapter->fdir_active_fltr; + spin_unlock_bh(&adapter->fdir_fltr_lock); cmd->data = IAVF_MAX_FDIR_FILTERS; ret = 0; break; diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.c b/drivers/net/ethernet/intel/iavf/iavf_fdir.c index 6146203efd84..03e774bd2a5b 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_fdir.c +++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.c @@ -18,6 +18,79 @@ static const struct in6_addr ipv6_addr_full_mask = { } }; +static const struct in6_addr ipv6_addr_zero_mask = { + .in6_u = { + .u6_addr8 = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + } + } +}; + +/** + * iavf_validate_fdir_fltr_masks - validate Flow Director filter fields masks + * @adapter: pointer to the VF adapter structure + * @fltr: Flow Director filter data structure + * + * Returns 0 if all masks of packet fields are either full or empty. Returns + * error on at least one partial mask. + */ +int iavf_validate_fdir_fltr_masks(struct iavf_adapter *adapter, + struct iavf_fdir_fltr *fltr) +{ + if (fltr->eth_mask.etype && fltr->eth_mask.etype != htons(U16_MAX)) + goto partial_mask; + + if (fltr->ip_ver == 4) { + if (fltr->ip_mask.v4_addrs.src_ip && + fltr->ip_mask.v4_addrs.src_ip != htonl(U32_MAX)) + goto partial_mask; + + if (fltr->ip_mask.v4_addrs.dst_ip && + fltr->ip_mask.v4_addrs.dst_ip != htonl(U32_MAX)) + goto partial_mask; + + if (fltr->ip_mask.tos && fltr->ip_mask.tos != U8_MAX) + goto partial_mask; + } else if (fltr->ip_ver == 6) { + if (memcmp(&fltr->ip_mask.v6_addrs.src_ip, &ipv6_addr_zero_mask, + sizeof(struct in6_addr)) && + memcmp(&fltr->ip_mask.v6_addrs.src_ip, &ipv6_addr_full_mask, + sizeof(struct in6_addr))) + goto partial_mask; + + if (memcmp(&fltr->ip_mask.v6_addrs.dst_ip, &ipv6_addr_zero_mask, + sizeof(struct in6_addr)) && + memcmp(&fltr->ip_mask.v6_addrs.dst_ip, &ipv6_addr_full_mask, + sizeof(struct in6_addr))) + goto partial_mask; + + if (fltr->ip_mask.tclass && fltr->ip_mask.tclass != U8_MAX) + goto partial_mask; + } + + if (fltr->ip_mask.proto && fltr->ip_mask.proto != U8_MAX) + goto partial_mask; + + if (fltr->ip_mask.src_port && fltr->ip_mask.src_port != htons(U16_MAX)) + goto partial_mask; + + if (fltr->ip_mask.dst_port && fltr->ip_mask.dst_port != htons(U16_MAX)) + goto partial_mask; + + if (fltr->ip_mask.spi && fltr->ip_mask.spi != htonl(U32_MAX)) + goto partial_mask; + + if (fltr->ip_mask.l4_header && + fltr->ip_mask.l4_header != htonl(U32_MAX)) + goto partial_mask; + + return 0; + +partial_mask: + dev_err(&adapter->pdev->dev, "Failed to add Flow Director filter, partial masks are not supported\n"); + return -EOPNOTSUPP; +} + /** * iavf_pkt_udp_no_pay_len - the length of UDP packet without payload * @fltr: Flow Director filter data structure @@ -263,8 +336,6 @@ iavf_fill_fdir_ip4_hdr(struct iavf_fdir_fltr *fltr, VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DST); } - fltr->ip_ver = 4; - return 0; } @@ -309,8 +380,6 @@ iavf_fill_fdir_ip6_hdr(struct iavf_fdir_fltr *fltr, VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, DST); } - fltr->ip_ver = 6; - return 0; } @@ -722,7 +791,9 @@ void iavf_print_fdir_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *f bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr) { struct iavf_fdir_fltr *tmp; + bool ret = false; + spin_lock_bh(&adapter->fdir_fltr_lock); list_for_each_entry(tmp, &adapter->fdir_list_head, list) { if (tmp->flow_type != fltr->flow_type) continue; @@ -732,11 +803,14 @@ bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr * !memcmp(&tmp->ip_data, &fltr->ip_data, sizeof(fltr->ip_data)) && !memcmp(&tmp->ext_data, &fltr->ext_data, - sizeof(fltr->ext_data))) - return true; + sizeof(fltr->ext_data))) { + ret = true; + break; + } } + spin_unlock_bh(&adapter->fdir_fltr_lock); - return false; + return ret; } /** diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.h b/drivers/net/ethernet/intel/iavf/iavf_fdir.h index 33c55c366315..9eb9f73f6adf 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_fdir.h +++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.h @@ -110,6 +110,8 @@ struct iavf_fdir_fltr { struct virtchnl_fdir_add vc_add_msg; }; +int iavf_validate_fdir_fltr_masks(struct iavf_adapter *adapter, + struct iavf_fdir_fltr *fltr); int iavf_fill_fdir_add_msg(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); void iavf_print_fdir_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c index b678bdf96f3a..074bf9403cd1 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -435,7 +435,8 @@ static int ice_setup_rx_ctx(struct ice_rx_ring *ring) /* Receive Packet Data Buffer Size. * The Packet Data Buffer Size is defined in 128 byte units. */ - rlan_ctx.dbuf = ring->rx_buf_len >> ICE_RLAN_CTX_DBUF_S; + rlan_ctx.dbuf = DIV_ROUND_UP(ring->rx_buf_len, + BIT_ULL(ICE_RLAN_CTX_DBUF_S)); /* use 32 byte descriptors */ rlan_ctx.dsize = 1; diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c index ad0a007b7398..8f232c41a89e 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.c +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c @@ -538,6 +538,12 @@ ice_eswitch_mode_set(struct devlink *devlink, u16 mode, break; case DEVLINK_ESWITCH_MODE_SWITCHDEV: { + if (ice_is_adq_active(pf)) { + dev_err(ice_pf_to_dev(pf), "Couldn't change eswitch mode to switchdev - ADQ is active. Delete ADQ configs and try again, e.g. tc qdisc del dev $PF root"); + NL_SET_ERR_MSG_MOD(extack, "Couldn't change eswitch mode to switchdev - ADQ is active. Delete ADQ configs and try again, e.g. tc qdisc del dev $PF root"); + return -EOPNOTSUPP; + } + dev_info(ice_pf_to_dev(pf), "PF %d changed eswitch mode to switchdev", pf->hw.pf_id); NL_SET_ERR_MSG_MOD(extack, "Changed eswitch mode to switchdev"); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index cf92c39467c8..b40dfe6ae321 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -8823,6 +8823,11 @@ ice_setup_tc(struct net_device *netdev, enum tc_setup_type type, ice_setup_tc_block_cb, np, np, true); case TC_SETUP_QDISC_MQPRIO: + if (ice_is_eswitch_mode_switchdev(pf)) { + netdev_err(netdev, "TC MQPRIO offload not supported, switchdev is enabled\n"); + return -EOPNOTSUPP; + } + if (pf->adev) { mutex_lock(&pf->adev_mutex); device_lock(&pf->adev->dev); diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 1f66914c7a20..31314e7540f8 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -1131,7 +1131,7 @@ int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena) if (!vf) return -EINVAL; - ret = ice_check_vf_ready_for_reset(vf); + ret = ice_check_vf_ready_for_cfg(vf); if (ret) goto out_put_vf; @@ -1246,7 +1246,7 @@ int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) goto out_put_vf; } - ret = ice_check_vf_ready_for_reset(vf); + ret = ice_check_vf_ready_for_cfg(vf); if (ret) goto out_put_vf; @@ -1300,7 +1300,7 @@ int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted) return -EOPNOTSUPP; } - ret = ice_check_vf_ready_for_reset(vf); + ret = ice_check_vf_ready_for_cfg(vf); if (ret) goto out_put_vf; @@ -1613,7 +1613,7 @@ ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos, if (!vf) return -EINVAL; - ret = ice_check_vf_ready_for_reset(vf); + ret = ice_check_vf_ready_for_cfg(vf); if (ret) goto out_put_vf; diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.c b/drivers/net/ethernet/intel/ice/ice_vf_lib.c index b26ce4425f45..ea3310be8354 100644 --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.c @@ -186,25 +186,6 @@ int ice_check_vf_ready_for_cfg(struct ice_vf *vf) } /** - * ice_check_vf_ready_for_reset - check if VF is ready to be reset - * @vf: VF to check if it's ready to be reset - * - * The purpose of this function is to ensure that the VF is not in reset, - * disabled, and is both initialized and active, thus enabling us to safely - * initialize another reset. - */ -int ice_check_vf_ready_for_reset(struct ice_vf *vf) -{ - int ret; - - ret = ice_check_vf_ready_for_cfg(vf); - if (!ret && !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) - ret = -EAGAIN; - - return ret; -} - -/** * ice_trigger_vf_reset - Reset a VF on HW * @vf: pointer to the VF structure * @is_vflr: true if VFLR was issued, false if not @@ -631,11 +612,17 @@ int ice_reset_vf(struct ice_vf *vf, u32 flags) return 0; } + if (flags & ICE_VF_RESET_LOCK) + mutex_lock(&vf->cfg_lock); + else + lockdep_assert_held(&vf->cfg_lock); + if (ice_is_vf_disabled(vf)) { vsi = ice_get_vf_vsi(vf); if (!vsi) { dev_dbg(dev, "VF is already removed\n"); - return -EINVAL; + err = -EINVAL; + goto out_unlock; } ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); @@ -644,14 +631,9 @@ int ice_reset_vf(struct ice_vf *vf, u32 flags) dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n", vf->vf_id); - return 0; + goto out_unlock; } - if (flags & ICE_VF_RESET_LOCK) - mutex_lock(&vf->cfg_lock); - else - lockdep_assert_held(&vf->cfg_lock); - /* Set VF disable bit state here, before triggering reset */ set_bit(ICE_VF_STATE_DIS, vf->vf_states); ice_trigger_vf_reset(vf, flags & ICE_VF_RESET_VFLR, false); diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.h b/drivers/net/ethernet/intel/ice/ice_vf_lib.h index 67172fdd9bc2..48fea6fa0362 100644 --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.h @@ -215,7 +215,6 @@ u16 ice_get_num_vfs(struct ice_pf *pf); struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf); bool ice_is_vf_disabled(struct ice_vf *vf); int ice_check_vf_ready_for_cfg(struct ice_vf *vf); -int ice_check_vf_ready_for_reset(struct ice_vf *vf); void ice_set_vf_state_dis(struct ice_vf *vf); bool ice_is_any_vf_in_unicast_promisc(struct ice_pf *pf); void diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c index efbc2968a7bf..dcf628b1fccd 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c @@ -3947,7 +3947,6 @@ error_handler: ice_vc_notify_vf_link_state(vf); break; case VIRTCHNL_OP_RESET_VF: - clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); ops->reset_vf(vf); break; case VIRTCHNL_OP_ADD_ETH_ADDR: diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 405886ee5261..319c544b9f04 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -1385,18 +1385,6 @@ void igb_ptp_init(struct igb_adapter *adapter) return; } - spin_lock_init(&adapter->tmreg_lock); - INIT_WORK(&adapter->ptp_tx_work, igb_ptp_tx_work); - - if (adapter->ptp_flags & IGB_PTP_OVERFLOW_CHECK) - INIT_DELAYED_WORK(&adapter->ptp_overflow_work, - igb_ptp_overflow_check); - - adapter->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; - adapter->tstamp_config.tx_type = HWTSTAMP_TX_OFF; - - igb_ptp_reset(adapter); - adapter->ptp_clock = ptp_clock_register(&adapter->ptp_caps, &adapter->pdev->dev); if (IS_ERR(adapter->ptp_clock)) { @@ -1406,6 +1394,18 @@ void igb_ptp_init(struct igb_adapter *adapter) dev_info(&adapter->pdev->dev, "added PHC on %s\n", adapter->netdev->name); adapter->ptp_flags |= IGB_PTP_ENABLED; + + spin_lock_init(&adapter->tmreg_lock); + INIT_WORK(&adapter->ptp_tx_work, igb_ptp_tx_work); + + if (adapter->ptp_flags & IGB_PTP_OVERFLOW_CHECK) + INIT_DELAYED_WORK(&adapter->ptp_overflow_work, + igb_ptp_overflow_check); + + adapter->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; + adapter->tstamp_config.tx_type = HWTSTAMP_TX_OFF; + + igb_ptp_reset(adapter); } } diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 9db384f66a8e..38901d2a4680 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -195,6 +195,10 @@ struct igc_adapter { u32 qbv_config_change_errors; bool qbv_transition; unsigned int qbv_count; + /* Access to oper_gate_closed, admin_gate_closed and qbv_transition + * are protected by the qbv_tx_lock. + */ + spinlock_t qbv_tx_lock; /* OS defined structs */ struct pci_dev *pdev; diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 44a507029946..2f780cc90883 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -546,7 +546,7 @@ #define IGC_PTM_CTRL_START_NOW BIT(29) /* Start PTM Now */ #define IGC_PTM_CTRL_EN BIT(30) /* Enable PTM */ #define IGC_PTM_CTRL_TRIG BIT(31) /* PTM Cycle trigger */ -#define IGC_PTM_CTRL_SHRT_CYC(usec) (((usec) & 0x2f) << 2) +#define IGC_PTM_CTRL_SHRT_CYC(usec) (((usec) & 0x3f) << 2) #define IGC_PTM_CTRL_PTM_TO(usec) (((usec) & 0xff) << 8) #define IGC_PTM_SHORT_CYC_DEFAULT 10 /* Default Short/interrupted cycle interval */ diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index bdeb36790d77..6f557e843e49 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -4801,6 +4801,7 @@ static int igc_sw_init(struct igc_adapter *adapter) adapter->nfc_rule_count = 0; spin_lock_init(&adapter->stats64_lock); + spin_lock_init(&adapter->qbv_tx_lock); /* Assume MSI-X interrupts, will be checked during IRQ allocation */ adapter->flags |= IGC_FLAG_HAS_MSIX; @@ -6119,15 +6120,15 @@ static int igc_tsn_enable_launchtime(struct igc_adapter *adapter, return igc_tsn_offload_apply(adapter); } -static int igc_tsn_clear_schedule(struct igc_adapter *adapter) +static int igc_qbv_clear_schedule(struct igc_adapter *adapter) { + unsigned long flags; int i; adapter->base_time = 0; adapter->cycle_time = NSEC_PER_SEC; adapter->taprio_offload_enable = false; adapter->qbv_config_change_errors = 0; - adapter->qbv_transition = false; adapter->qbv_count = 0; for (i = 0; i < adapter->num_tx_queues; i++) { @@ -6136,10 +6137,28 @@ static int igc_tsn_clear_schedule(struct igc_adapter *adapter) ring->start_time = 0; ring->end_time = NSEC_PER_SEC; ring->max_sdu = 0; + } + + spin_lock_irqsave(&adapter->qbv_tx_lock, flags); + + adapter->qbv_transition = false; + + for (i = 0; i < adapter->num_tx_queues; i++) { + struct igc_ring *ring = adapter->tx_ring[i]; + ring->oper_gate_closed = false; ring->admin_gate_closed = false; } + spin_unlock_irqrestore(&adapter->qbv_tx_lock, flags); + + return 0; +} + +static int igc_tsn_clear_schedule(struct igc_adapter *adapter) +{ + igc_qbv_clear_schedule(adapter); + return 0; } @@ -6150,6 +6169,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, struct igc_hw *hw = &adapter->hw; u32 start_time = 0, end_time = 0; struct timespec64 now; + unsigned long flags; size_t n; int i; @@ -6217,6 +6237,8 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, start_time += e->interval; } + spin_lock_irqsave(&adapter->qbv_tx_lock, flags); + /* Check whether a queue gets configured. * If not, set the start and end time to be end time. */ @@ -6241,6 +6263,8 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, } } + spin_unlock_irqrestore(&adapter->qbv_tx_lock, flags); + for (i = 0; i < adapter->num_tx_queues; i++) { struct igc_ring *ring = adapter->tx_ring[i]; struct net_device *dev = adapter->netdev; @@ -6619,8 +6643,11 @@ static enum hrtimer_restart igc_qbv_scheduling_timer(struct hrtimer *timer) { struct igc_adapter *adapter = container_of(timer, struct igc_adapter, hrtimer); + unsigned long flags; unsigned int i; + spin_lock_irqsave(&adapter->qbv_tx_lock, flags); + adapter->qbv_transition = true; for (i = 0; i < adapter->num_tx_queues; i++) { struct igc_ring *tx_ring = adapter->tx_ring[i]; @@ -6633,6 +6660,9 @@ static enum hrtimer_restart igc_qbv_scheduling_timer(struct hrtimer *timer) } } adapter->qbv_transition = false; + + spin_unlock_irqrestore(&adapter->qbv_tx_lock, flags); + return HRTIMER_NORESTART; } diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c index 1cc6af2feb38..565320ec24f8 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c @@ -55,7 +55,7 @@ static int octep_send_mbox_req(struct octep_device *oct, list_add_tail(&d->list, &oct->ctrl_req_wait_list); ret = wait_event_interruptible_timeout(oct->ctrl_req_wait_q, (d->done != 0), - jiffies + msecs_to_jiffies(500)); + msecs_to_jiffies(500)); list_del(&d->list); if (ret == 0 || ret == 1) return -EAGAIN; diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 43eb6e871351..4424de2ffd70 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -1038,6 +1038,10 @@ static void octep_device_cleanup(struct octep_device *oct) { int i; + oct->poll_non_ioq_intr = false; + cancel_delayed_work_sync(&oct->intr_poll_task); + cancel_work_sync(&oct->ctrl_mbox_task); + dev_info(&oct->pdev->dev, "Cleaning up Octeon Device ...\n"); for (i = 0; i < OCTEP_MAX_VF; i++) { @@ -1200,14 +1204,11 @@ static void octep_remove(struct pci_dev *pdev) if (!oct) return; - cancel_work_sync(&oct->tx_timeout_task); - cancel_work_sync(&oct->ctrl_mbox_task); netdev = oct->netdev; if (netdev->reg_state == NETREG_REGISTERED) unregister_netdev(netdev); - oct->poll_non_ioq_intr = false; - cancel_delayed_work_sync(&oct->intr_poll_task); + cancel_work_sync(&oct->tx_timeout_task); octep_device_cleanup(oct); pci_release_mem_regions(pdev); free_netdev(netdev); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 04b0e885f9d2..c2f68678e947 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -4270,9 +4270,10 @@ rx_frscfg: if (link < 0) return NIX_AF_ERR_RX_LINK_INVALID; - nix_find_link_frs(rvu, req, pcifunc); linkcfg: + nix_find_link_frs(rvu, req, pcifunc); + cfg = rvu_read64(rvu, blkaddr, NIX_AF_RX_LINKX_CFG(link)); cfg = (cfg & ~(0xFFFFULL << 16)) | ((u64)req->maxlen << 16); if (req->update_minlen) diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c index a9a1028cb17b..de317179a7dc 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_router.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c @@ -166,11 +166,11 @@ prestera_util_neigh2nc_key(struct prestera_switch *sw, struct neighbour *n, static bool __prestera_fi_is_direct(struct fib_info *fi) { - struct fib_nh *fib_nh; + struct fib_nh_common *fib_nhc; if (fib_info_num_path(fi) == 1) { - fib_nh = fib_info_nh(fi, 0); - if (fib_nh->fib_nh_gw_family == AF_UNSPEC) + fib_nhc = fib_info_nhc(fi, 0); + if (fib_nhc->nhc_gw_family == AF_UNSPEC) return true; } @@ -261,7 +261,7 @@ static bool __prestera_util_kern_n_is_reachable_v4(u32 tb_id, __be32 *addr, struct net_device *dev) { - struct fib_nh *fib_nh; + struct fib_nh_common *fib_nhc; struct fib_result res; bool reachable; @@ -269,8 +269,8 @@ __prestera_util_kern_n_is_reachable_v4(u32 tb_id, __be32 *addr, if (!prestera_util_kern_get_route(&res, tb_id, addr)) if (prestera_fi_is_direct(res.fi)) { - fib_nh = fib_info_nh(res.fi, 0); - if (dev == fib_nh->fib_nh_dev) + fib_nhc = fib_info_nhc(res.fi, 0); + if (dev == fib_nhc->nhc_dev) reachable = true; } @@ -324,7 +324,7 @@ prestera_kern_fib_info_nhc(struct fib_notifier_info *info, int n) if (info->family == AF_INET) { fen4_info = container_of(info, struct fib_entry_notifier_info, info); - return &fib_info_nh(fen4_info->fi, n)->nh_common; + return fib_info_nhc(fen4_info->fi, n); } else if (info->family == AF_INET6) { fen6_info = container_of(info, struct fib6_entry_notifier_info, info); diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index 985cff910f30..3b651efcc25e 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -221,9 +221,13 @@ void mtk_wed_fe_reset(void) for (i = 0; i < ARRAY_SIZE(hw_list); i++) { struct mtk_wed_hw *hw = hw_list[i]; - struct mtk_wed_device *dev = hw->wed_dev; + struct mtk_wed_device *dev; int err; + if (!hw) + break; + + dev = hw->wed_dev; if (!dev || !dev->wlan.reset) continue; @@ -244,8 +248,12 @@ void mtk_wed_fe_reset_complete(void) for (i = 0; i < ARRAY_SIZE(hw_list); i++) { struct mtk_wed_hw *hw = hw_list[i]; - struct mtk_wed_device *dev = hw->wed_dev; + struct mtk_wed_device *dev; + + if (!hw) + break; + dev = hw->wed_dev; if (!dev || !dev->wlan.reset_complete) continue; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/reporter_vnic.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/reporter_vnic.c index b0128336ff01..e869c65d8e90 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/reporter_vnic.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/reporter_vnic.c @@ -2,6 +2,7 @@ /* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. */ #include "reporter_vnic.h" +#include "en_stats.h" #include "devlink.h" #define VNIC_ENV_GET64(vnic_env_stats, c) \ @@ -36,55 +37,72 @@ int mlx5_reporter_vnic_diagnose_counters(struct mlx5_core_dev *dev, if (err) return err; - err = devlink_fmsg_u64_pair_put(fmsg, "total_error_queues", - VNIC_ENV_GET64(&vnic, total_error_queues)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "send_queue_priority_update_flow", - VNIC_ENV_GET64(&vnic, send_queue_priority_update_flow)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "comp_eq_overrun", - VNIC_ENV_GET64(&vnic, comp_eq_overrun)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "async_eq_overrun", - VNIC_ENV_GET64(&vnic, async_eq_overrun)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "cq_overrun", - VNIC_ENV_GET64(&vnic, cq_overrun)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "invalid_command", - VNIC_ENV_GET64(&vnic, invalid_command)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "quota_exceeded_command", - VNIC_ENV_GET64(&vnic, quota_exceeded_command)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "nic_receive_steering_discard", - VNIC_ENV_GET64(&vnic, nic_receive_steering_discard)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "generated_pkt_steering_fail", - VNIC_ENV_GET64(&vnic, generated_pkt_steering_fail)); - if (err) - return err; - - err = devlink_fmsg_u64_pair_put(fmsg, "handled_pkt_steering_fail", - VNIC_ENV_GET64(&vnic, handled_pkt_steering_fail)); - if (err) - return err; + if (MLX5_CAP_GEN(dev, vnic_env_queue_counters)) { + err = devlink_fmsg_u32_pair_put(fmsg, "total_error_queues", + VNIC_ENV_GET(&vnic, total_error_queues)); + if (err) + return err; + + err = devlink_fmsg_u32_pair_put(fmsg, "send_queue_priority_update_flow", + VNIC_ENV_GET(&vnic, + send_queue_priority_update_flow)); + if (err) + return err; + } + + if (MLX5_CAP_GEN(dev, eq_overrun_count)) { + err = devlink_fmsg_u32_pair_put(fmsg, "comp_eq_overrun", + VNIC_ENV_GET(&vnic, comp_eq_overrun)); + if (err) + return err; + + err = devlink_fmsg_u32_pair_put(fmsg, "async_eq_overrun", + VNIC_ENV_GET(&vnic, async_eq_overrun)); + if (err) + return err; + } + + if (MLX5_CAP_GEN(dev, vnic_env_cq_overrun)) { + err = devlink_fmsg_u32_pair_put(fmsg, "cq_overrun", + VNIC_ENV_GET(&vnic, cq_overrun)); + if (err) + return err; + } + + if (MLX5_CAP_GEN(dev, invalid_command_count)) { + err = devlink_fmsg_u32_pair_put(fmsg, "invalid_command", + VNIC_ENV_GET(&vnic, invalid_command)); + if (err) + return err; + } + + if (MLX5_CAP_GEN(dev, quota_exceeded_count)) { + err = devlink_fmsg_u32_pair_put(fmsg, "quota_exceeded_command", + VNIC_ENV_GET(&vnic, quota_exceeded_command)); + if (err) + return err; + } + + if (MLX5_CAP_GEN(dev, nic_receive_steering_discard)) { + err = devlink_fmsg_u64_pair_put(fmsg, "nic_receive_steering_discard", + VNIC_ENV_GET64(&vnic, + nic_receive_steering_discard)); + if (err) + return err; + } + + if (MLX5_CAP_GEN(dev, vnic_env_cnt_steering_fail)) { + err = devlink_fmsg_u64_pair_put(fmsg, "generated_pkt_steering_fail", + VNIC_ENV_GET64(&vnic, + generated_pkt_steering_fail)); + if (err) + return err; + + err = devlink_fmsg_u64_pair_put(fmsg, "handled_pkt_steering_fail", + VNIC_ENV_GET64(&vnic, handled_pkt_steering_fail)); + if (err) + return err; + } err = devlink_fmsg_obj_nest_end(fmsg); if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c index 0c88cf47af01..1730f6a716ee 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c @@ -1461,10 +1461,12 @@ static void mlx5e_invalidate_encap(struct mlx5e_priv *priv, attr = mlx5e_tc_get_encap_attr(flow); esw_attr = attr->esw_attr; - if (flow_flag_test(flow, SLOW)) + if (flow_flag_test(flow, SLOW)) { mlx5e_tc_unoffload_from_slow_path(esw, flow); - else + } else { mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->attr); + mlx5e_tc_unoffload_flow_post_acts(flow); + } mlx5e_tc_detach_mod_hdr(priv, flow, attr); attr->modify_hdr = NULL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h index 9e8e6184f9e4..ecfe93a479da 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h @@ -84,6 +84,8 @@ enum mlx5e_xdp_xmit_mode { * MLX5E_XDP_XMIT_MODE_XSK: * none. */ +#define MLX5E_XDP_FIFO_ENTRIES2DS_MAX_RATIO 4 + union mlx5e_xdp_info { enum mlx5e_xdp_xmit_mode mode; union { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 1c820119e438..f7b494125eee 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -1298,11 +1298,13 @@ static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa) { struct mlx5e_xdp_info_fifo *xdpi_fifo = &sq->db.xdpi_fifo; int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); - int entries = wq_sz * MLX5_SEND_WQEBB_NUM_DS * 2; /* upper bound for maximum num of - * entries of all xmit_modes. - */ + int entries; size_t size; + /* upper bound for maximum num of entries of all xmit_modes. */ + entries = roundup_pow_of_two(wq_sz * MLX5_SEND_WQEBB_NUM_DS * + MLX5E_XDP_FIFO_ENTRIES2DS_MAX_RATIO); + size = array_size(sizeof(*xdpi_fifo->xi), entries); xdpi_fifo->xi = kvzalloc_node(size, GFP_KERNEL, numa); if (!xdpi_fifo->xi) @@ -5266,6 +5268,7 @@ void mlx5e_destroy_q_counters(struct mlx5e_priv *priv) static int mlx5e_nic_init(struct mlx5_core_dev *mdev, struct net_device *netdev) { + const bool take_rtnl = netdev->reg_state == NETREG_REGISTERED; struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_flow_steering *fs; int err; @@ -5294,9 +5297,19 @@ static int mlx5e_nic_init(struct mlx5_core_dev *mdev, mlx5_core_err(mdev, "TLS initialization failed, %d\n", err); mlx5e_health_create_reporters(priv); + + /* If netdev is already registered (e.g. move from uplink to nic profile), + * RTNL lock must be held before triggering netdev notifiers. + */ + if (take_rtnl) + rtnl_lock(); + /* update XDP supported features */ mlx5e_set_xdp_feature(netdev); + if (take_rtnl) + rtnl_unlock(); + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 92377632f9e0..31708d5aa608 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1943,9 +1943,7 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct mlx5_flow_attr *attr = flow->attr; - struct mlx5_esw_flow_attr *esw_attr; - esw_attr = attr->esw_attr; mlx5e_put_flow_tunnel_id(flow); remove_unready_flow(flow); @@ -1966,12 +1964,6 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); - if (esw_attr->int_port) - mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); - - if (esw_attr->dest_int_port) - mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); - if (flow_flag_test(flow, L3_TO_L2_DECAP)) mlx5e_detach_decap(priv, flow); @@ -4268,6 +4260,7 @@ static void mlx5_free_flow_attr_actions(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) { struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); + struct mlx5_esw_flow_attr *esw_attr; if (!attr) return; @@ -4285,6 +4278,18 @@ mlx5_free_flow_attr_actions(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *a mlx5e_tc_detach_mod_hdr(flow->priv, flow, attr); } + if (mlx5e_is_eswitch_flow(flow)) { + esw_attr = attr->esw_attr; + + if (esw_attr->int_port) + mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(flow->priv), + esw_attr->int_port); + + if (esw_attr->dest_int_port) + mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(flow->priv), + esw_attr->dest_int_port); + } + mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); free_branch_attr(flow, attr->branch_true); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c index af779c700278..fdf2be548e85 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c @@ -60,7 +60,7 @@ static struct devlink_port *mlx5_esw_dl_port_alloc(struct mlx5_eswitch *esw, u16 } else if (mlx5_core_is_ec_vf_vport(esw->dev, vport_num)) { memcpy(dl_port->attrs.switch_id.id, ppid.id, ppid.id_len); dl_port->attrs.switch_id.id_len = ppid.id_len; - devlink_port_attrs_pci_vf_set(dl_port, controller_num, pfnum, + devlink_port_attrs_pci_vf_set(dl_port, 0, pfnum, vport_num - 1, false); } return dl_port; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index aab7059bf6e9..244cfd470903 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -245,12 +245,20 @@ static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns, mlx5_lag_is_shared_fdb(dev) && mlx5_lag_is_master(dev)) { struct mlx5_core_dev *peer_dev; - int i; + int i, j; mlx5_lag_for_each_peer_mdev(dev, peer_dev, i) { err = mlx5_cmd_set_slave_root_fdb(dev, peer_dev, !disconnect, (!disconnect) ? ft->id : 0); if (err && !disconnect) { + mlx5_lag_for_each_peer_mdev(dev, peer_dev, j) { + if (j < i) + mlx5_cmd_set_slave_root_fdb(dev, peer_dev, 1, + ns->root_ft->id); + else + break; + } + MLX5_SET(set_flow_table_root_in, in, op_mod, 0); MLX5_SET(set_flow_table_root_in, in, table_id, ns->root_ft->id); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c index d3a3fe4ce670..7d9bbb494d95 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c @@ -574,7 +574,7 @@ static int __mlx5_lag_modify_definers_destinations(struct mlx5_lag *ldev, for (i = 0; i < ldev->ports; i++) { for (j = 0; j < ldev->buckets; j++) { idx = i * ldev->buckets + j; - if (ldev->v2p_map[i] == ports[i]) + if (ldev->v2p_map[idx] == ports[idx]) continue; dest.vport.vhca_id = MLX5_CAP_GEN(ldev->pf[ports[idx] - 1].dev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index 973babfaff25..377372f0578a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -227,10 +227,15 @@ static void mlx5_timestamp_overflow(struct work_struct *work) clock = container_of(timer, struct mlx5_clock, timer); mdev = container_of(clock, struct mlx5_core_dev, clock); + if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) + goto out; + write_seqlock_irqsave(&clock->lock, flags); timecounter_read(&timer->tc); mlx5_update_clock_info_page(mdev); write_sequnlock_irqrestore(&clock->lock, flags); + +out: schedule_delayed_work(&timer->overflow_work, timer->overflow_period); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index f42abc2ea73c..72ae560a1c68 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1989,7 +1989,7 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, mlx5_enter_error_state(dev, false); mlx5_error_sw_reset(dev); - mlx5_unload_one(dev, true); + mlx5_unload_one(dev, false); mlx5_drain_health_wq(dev); mlx5_pci_disable_device(dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index c4be257c043d..682d3dc00dd1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -361,7 +361,7 @@ static inline bool mlx5_core_is_ec_vf_vport(const struct mlx5_core_dev *dev, u16 static inline int mlx5_vport_to_func_id(const struct mlx5_core_dev *dev, u16 vport, bool ec_vf_func) { - return ec_vf_func ? vport - mlx5_core_ec_vf_vport_base(dev) + return ec_vf_func ? vport - mlx5_core_ec_vf_vport_base(dev) + 1 : vport; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c index 4e42a3b9b8ee..a2fc937d5461 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c @@ -285,8 +285,7 @@ static u16 mlx5_get_max_vfs(struct mlx5_core_dev *dev) host_total_vfs = MLX5_GET(query_esw_functions_out, out, host_params_context.host_total_vfs); kvfree(out); - if (host_total_vfs) - return host_total_vfs; + return host_total_vfs; } done: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c index d6947fe13d56..8ca534ef5d03 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c @@ -82,7 +82,7 @@ dr_ptrn_alloc_pattern(struct mlx5dr_ptrn_mgr *mgr, u32 chunk_size; u32 index; - chunk_size = ilog2(num_of_actions); + chunk_size = ilog2(roundup_pow_of_two(num_of_actions)); /* HW modify action index granularity is at least 64B */ chunk_size = max_t(u32, chunk_size, DR_CHUNK_SIZE_8); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.c index f0b2963ebac3..973de2adc943 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.c @@ -32,8 +32,8 @@ static const struct mlxsw_afk_element_info mlxsw_afk_element_infos[] = { MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x18, 0, 8), MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x18, 9, 2), MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x18, 11, 6), - MLXSW_AFK_ELEMENT_INFO_U32(VIRT_ROUTER_MSB, 0x18, 17, 3), - MLXSW_AFK_ELEMENT_INFO_U32(VIRT_ROUTER_LSB, 0x18, 20, 8), + MLXSW_AFK_ELEMENT_INFO_U32(VIRT_ROUTER_MSB, 0x18, 17, 4), + MLXSW_AFK_ELEMENT_INFO_U32(VIRT_ROUTER_LSB, 0x18, 21, 8), MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP_96_127, 0x20, 4), MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP_64_95, 0x24, 4), MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP_32_63, 0x28, 4), diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index c968309657dd..51eea1f0529c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -517,11 +517,15 @@ static void mlxsw_pci_skb_cb_ts_set(struct mlxsw_pci *mlxsw_pci, struct sk_buff *skb, enum mlxsw_pci_cqe_v cqe_v, char *cqe) { + u8 ts_type; + if (cqe_v != MLXSW_PCI_CQE_V2) return; - if (mlxsw_pci_cqe2_time_stamp_type_get(cqe) != - MLXSW_PCI_CQE_TIME_STAMP_TYPE_UTC) + ts_type = mlxsw_pci_cqe2_time_stamp_type_get(cqe); + + if (ts_type != MLXSW_PCI_CQE_TIME_STAMP_TYPE_UTC && + ts_type != MLXSW_PCI_CQE_TIME_STAMP_TYPE_MIRROR_UTC) return; mlxsw_skb_cb(skb)->cqe_ts.sec = mlxsw_pci_cqe2_time_stamp_sec_get(cqe); diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 8165bf31a99a..17160e867bef 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -97,14 +97,6 @@ MLXSW_ITEM32(reg, sspr, m, 0x00, 31, 1); */ MLXSW_ITEM32_LP(reg, sspr, 0x00, 16, 0x00, 12); -/* reg_sspr_sub_port - * Virtual port within the physical port. - * Should be set to 0 when virtual ports are not enabled on the port. - * - * Access: RW - */ -MLXSW_ITEM32(reg, sspr, sub_port, 0x00, 8, 8); - /* reg_sspr_system_port * Unique identifier within the stacking domain that represents all the ports * that are available in the system (external ports). @@ -120,7 +112,6 @@ static inline void mlxsw_reg_sspr_pack(char *payload, u16 local_port) MLXSW_REG_ZERO(sspr, payload); mlxsw_reg_sspr_m_set(payload, 1); mlxsw_reg_sspr_local_port_set(payload, local_port); - mlxsw_reg_sspr_sub_port_set(payload, 0); mlxsw_reg_sspr_system_port_set(payload, local_port); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c index e4f4cded2b6f..b1178b7a7f51 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c @@ -193,7 +193,7 @@ mlxsw_sp2_mr_tcam_rule_parse(struct mlxsw_sp_acl_rule *rule, key->vrid, GENMASK(7, 0)); mlxsw_sp_acl_rulei_keymask_u32(rulei, MLXSW_AFK_ELEMENT_VIRT_ROUTER_MSB, - key->vrid >> 8, GENMASK(2, 0)); + key->vrid >> 8, GENMASK(3, 0)); switch (key->proto) { case MLXSW_SP_L3_PROTO_IPV4: return mlxsw_sp2_mr_tcam_rule_parse4(rulei, key); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_keys.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_keys.c index 4dea39f2b304..ae2d6f12b799 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_keys.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_keys.c @@ -171,7 +171,7 @@ static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv4_2[] = { static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv4_4[] = { MLXSW_AFK_ELEMENT_INST_U32(VIRT_ROUTER_LSB, 0x04, 24, 8), - MLXSW_AFK_ELEMENT_INST_U32(VIRT_ROUTER_MSB, 0x00, 0, 3), + MLXSW_AFK_ELEMENT_INST_EXT_U32(VIRT_ROUTER_MSB, 0x00, 0, 3, 0, true), }; static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv6_0[] = { @@ -321,7 +321,7 @@ static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_mac_5b[] = { static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv4_4b[] = { MLXSW_AFK_ELEMENT_INST_U32(VIRT_ROUTER_LSB, 0x04, 13, 8), - MLXSW_AFK_ELEMENT_INST_EXT_U32(VIRT_ROUTER_MSB, 0x04, 21, 4, 0, true), + MLXSW_AFK_ELEMENT_INST_U32(VIRT_ROUTER_MSB, 0x04, 21, 4), }; static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv6_2b[] = { diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index a499e460594b..c2ad0921e893 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -8,6 +8,7 @@ #include <linux/ethtool.h> #include <linux/filter.h> #include <linux/mm.h> +#include <linux/pci.h> #include <net/checksum.h> #include <net/ip6_checksum.h> @@ -2345,9 +2346,12 @@ int mana_attach(struct net_device *ndev) static int mana_dealloc_queues(struct net_device *ndev) { struct mana_port_context *apc = netdev_priv(ndev); + unsigned long timeout = jiffies + 120 * HZ; struct gdma_dev *gd = apc->ac->gdma_dev; struct mana_txq *txq; + struct sk_buff *skb; int i, err; + u32 tsleep; if (apc->port_is_up) return -EINVAL; @@ -2363,15 +2367,40 @@ static int mana_dealloc_queues(struct net_device *ndev) * to false, but it doesn't matter since mana_start_xmit() drops any * new packets due to apc->port_is_up being false. * - * Drain all the in-flight TX packets + * Drain all the in-flight TX packets. + * A timeout of 120 seconds for all the queues is used. + * This will break the while loop when h/w is not responding. + * This value of 120 has been decided here considering max + * number of queues. */ + for (i = 0; i < apc->num_queues; i++) { txq = &apc->tx_qp[i].txq; - - while (atomic_read(&txq->pending_sends) > 0) - usleep_range(1000, 2000); + tsleep = 1000; + while (atomic_read(&txq->pending_sends) > 0 && + time_before(jiffies, timeout)) { + usleep_range(tsleep, tsleep + 1000); + tsleep <<= 1; + } + if (atomic_read(&txq->pending_sends)) { + err = pcie_flr(to_pci_dev(gd->gdma_context->dev)); + if (err) { + netdev_err(ndev, "flr failed %d with %d pkts pending in txq %u\n", + err, atomic_read(&txq->pending_sends), + txq->gdma_txq_id); + } + break; + } } + for (i = 0; i < apc->num_queues; i++) { + txq = &apc->tx_qp[i].txq; + while ((skb = skb_dequeue(&txq->pending_skbs))) { + mana_unmap_skb(skb, apc); + dev_kfree_skb_any(skb); + } + atomic_set(&txq->pending_sends, 0); + } /* We're 100% sure the queues can no longer be woken up, because * we're sure now mana_poll_tx_cq() can't be running. */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 612b0015dc43..432fb93aa801 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1817,6 +1817,7 @@ static int ionic_change_mtu(struct net_device *netdev, int new_mtu) static void ionic_tx_timeout_work(struct work_struct *ws) { struct ionic_lif *lif = container_of(ws, struct ionic_lif, tx_timeout_work); + int err; if (test_bit(IONIC_LIF_F_FW_RESET, lif->state)) return; @@ -1829,8 +1830,11 @@ static void ionic_tx_timeout_work(struct work_struct *ws) mutex_lock(&lif->queue_lock); ionic_stop_queues_reconfig(lif); - ionic_start_queues_reconfig(lif); + err = ionic_start_queues_reconfig(lif); mutex_unlock(&lif->queue_lock); + + if (err) + dev_err(lif->ionic->dev, "%s: Restarting queues failed\n", __func__); } static void ionic_tx_timeout(struct net_device *netdev, unsigned int txqueue) @@ -2800,17 +2804,22 @@ static int ionic_cmb_reconfig(struct ionic_lif *lif, if (err) { dev_err(lif->ionic->dev, "CMB restore failed: %d\n", err); - goto errout; + goto err_out; } } - ionic_start_queues_reconfig(lif); - } else { - /* This was detached in ionic_stop_queues_reconfig() */ - netif_device_attach(lif->netdev); + err = ionic_start_queues_reconfig(lif); + if (err) { + dev_err(lif->ionic->dev, + "CMB reconfig failed: %d\n", err); + goto err_out; + } } -errout: +err_out: + /* This was detached in ionic_stop_queues_reconfig() */ + netif_device_attach(lif->netdev); + return err; } diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 4b004a728190..99df00c30b8c 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -176,6 +176,15 @@ static int qede_sriov_configure(struct pci_dev *pdev, int num_vfs_param) } #endif +static int __maybe_unused qede_suspend(struct device *dev) +{ + dev_info(dev, "Device does not support suspend operation\n"); + + return -EOPNOTSUPP; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(qede_pm_ops, qede_suspend, NULL); + static const struct pci_error_handlers qede_err_handler = { .error_detected = qede_io_error_detected, }; @@ -190,6 +199,7 @@ static struct pci_driver qede_pci_driver = { .sriov_configure = qede_sriov_configure, #endif .err_handler = &qede_err_handler, + .driver.pm = &qede_pm_ops, }; static struct qed_eth_cb_ops qede_ll_ops = { diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c index 7adde9639c8a..35d8e9811998 100644 --- a/drivers/net/ethernet/sfc/ef100_nic.c +++ b/drivers/net/ethernet/sfc/ef100_nic.c @@ -1194,7 +1194,7 @@ int ef100_probe_netdev_pf(struct efx_nic *efx) net_dev->features |= NETIF_F_HW_TC; efx->fixed_features |= NETIF_F_HW_TC; } - return rc; + return 0; } int ef100_probe_vf(struct efx_nic *efx) diff --git a/drivers/net/ethernet/sfc/falcon/selftest.c b/drivers/net/ethernet/sfc/falcon/selftest.c index cf1d67b6d86d..c3dc88e6c26c 100644 --- a/drivers/net/ethernet/sfc/falcon/selftest.c +++ b/drivers/net/ethernet/sfc/falcon/selftest.c @@ -428,7 +428,7 @@ static int ef4_begin_loopback(struct ef4_tx_queue *tx_queue) for (i = 0; i < state->packet_count; i++) { /* Allocate an skb, holding an extra reference for * transmit completion counting */ - skb = alloc_skb(EF4_LOOPBACK_PAYLOAD_LEN, GFP_KERNEL); + skb = alloc_skb(sizeof(state->payload), GFP_KERNEL); if (!skb) return -ENOMEM; state->skbs[i] = skb; diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c index 19a0b8584afb..563c1e317ce9 100644 --- a/drivers/net/ethernet/sfc/selftest.c +++ b/drivers/net/ethernet/sfc/selftest.c @@ -426,7 +426,7 @@ static int efx_begin_loopback(struct efx_tx_queue *tx_queue) for (i = 0; i < state->packet_count; i++) { /* Allocate an skb, holding an extra reference for * transmit completion counting */ - skb = alloc_skb(EFX_LOOPBACK_PAYLOAD_LEN, GFP_KERNEL); + skb = alloc_skb(sizeof(state->payload), GFP_KERNEL); if (!skb) return -ENOMEM; state->skbs[i] = skb; diff --git a/drivers/net/ethernet/sfc/siena/selftest.c b/drivers/net/ethernet/sfc/siena/selftest.c index b55fd3346972..526da43d4b61 100644 --- a/drivers/net/ethernet/sfc/siena/selftest.c +++ b/drivers/net/ethernet/sfc/siena/selftest.c @@ -426,7 +426,7 @@ static int efx_begin_loopback(struct efx_tx_queue *tx_queue) for (i = 0; i < state->packet_count; i++) { /* Allocate an skb, holding an extra reference for * transmit completion counting */ - skb = alloc_skb(EFX_LOOPBACK_PAYLOAD_LEN, GFP_KERNEL); + skb = alloc_skb(sizeof(state->payload), GFP_KERNEL); if (!skb) return -ENOMEM; state->skbs[i] = skb; diff --git a/drivers/net/ethernet/sfc/tc.c b/drivers/net/ethernet/sfc/tc.c index 15ebd3973922..fe268b6c1cac 100644 --- a/drivers/net/ethernet/sfc/tc.c +++ b/drivers/net/ethernet/sfc/tc.c @@ -1657,10 +1657,10 @@ int efx_init_tc(struct efx_nic *efx) rc = efx_tc_configure_fallback_acts_reps(efx); if (rc) return rc; - efx->tc->up = true; rc = flow_indr_dev_register(efx_tc_indr_setup_cb, efx); if (rc) return rc; + efx->tc->up = true; return 0; } diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index b15dd9a3ad54..1b55928e89b8 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -748,7 +748,8 @@ static int ipvlan_device_event(struct notifier_block *unused, write_pnet(&port->pnet, newnet); - ipvlan_migrate_l3s_hook(oldnet, newnet); + if (port->mode == IPVLAN_MODE_L3S) + ipvlan_migrate_l3s_hook(oldnet, newnet); break; } case NETDEV_UNREGISTER: diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 984dfa5d6c11..144ec756c796 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -743,7 +743,7 @@ static bool macsec_post_decrypt(struct sk_buff *skb, struct macsec_secy *secy, u u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsLate++; u64_stats_update_end(&rxsc_stats->syncp); - secy->netdev->stats.rx_dropped++; + DEV_STATS_INC(secy->netdev, rx_dropped); return false; } @@ -767,7 +767,7 @@ static bool macsec_post_decrypt(struct sk_buff *skb, struct macsec_secy *secy, u rxsc_stats->stats.InPktsNotValid++; u64_stats_update_end(&rxsc_stats->syncp); this_cpu_inc(rx_sa->stats->InPktsNotValid); - secy->netdev->stats.rx_errors++; + DEV_STATS_INC(secy->netdev, rx_errors); return false; } @@ -1069,7 +1069,7 @@ static enum rx_handler_result handle_not_macsec(struct sk_buff *skb) u64_stats_update_begin(&secy_stats->syncp); secy_stats->stats.InPktsNoTag++; u64_stats_update_end(&secy_stats->syncp); - macsec->secy.netdev->stats.rx_dropped++; + DEV_STATS_INC(macsec->secy.netdev, rx_dropped); continue; } @@ -1179,7 +1179,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) u64_stats_update_begin(&secy_stats->syncp); secy_stats->stats.InPktsBadTag++; u64_stats_update_end(&secy_stats->syncp); - secy->netdev->stats.rx_errors++; + DEV_STATS_INC(secy->netdev, rx_errors); goto drop_nosa; } @@ -1196,7 +1196,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsNotUsingSA++; u64_stats_update_end(&rxsc_stats->syncp); - secy->netdev->stats.rx_errors++; + DEV_STATS_INC(secy->netdev, rx_errors); if (active_rx_sa) this_cpu_inc(active_rx_sa->stats->InPktsNotUsingSA); goto drop_nosa; @@ -1230,7 +1230,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsLate++; u64_stats_update_end(&rxsc_stats->syncp); - macsec->secy.netdev->stats.rx_dropped++; + DEV_STATS_INC(macsec->secy.netdev, rx_dropped); goto drop; } } @@ -1271,7 +1271,7 @@ deliver: if (ret == NET_RX_SUCCESS) count_rx(dev, len); else - macsec->secy.netdev->stats.rx_dropped++; + DEV_STATS_INC(macsec->secy.netdev, rx_dropped); rcu_read_unlock(); @@ -1308,7 +1308,7 @@ nosci: u64_stats_update_begin(&secy_stats->syncp); secy_stats->stats.InPktsNoSCI++; u64_stats_update_end(&secy_stats->syncp); - macsec->secy.netdev->stats.rx_errors++; + DEV_STATS_INC(macsec->secy.netdev, rx_errors); continue; } @@ -1327,7 +1327,7 @@ nosci: secy_stats->stats.InPktsUnknownSCI++; u64_stats_update_end(&secy_stats->syncp); } else { - macsec->secy.netdev->stats.rx_dropped++; + DEV_STATS_INC(macsec->secy.netdev, rx_dropped); } } @@ -3422,7 +3422,7 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, if (!secy->operational) { kfree_skb(skb); - dev->stats.tx_dropped++; + DEV_STATS_INC(dev, tx_dropped); return NETDEV_TX_OK; } @@ -3430,7 +3430,7 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, skb = macsec_encrypt(skb, dev); if (IS_ERR(skb)) { if (PTR_ERR(skb) != -EINPROGRESS) - dev->stats.tx_dropped++; + DEV_STATS_INC(dev, tx_dropped); return NETDEV_TX_OK; } @@ -3667,9 +3667,9 @@ static void macsec_get_stats64(struct net_device *dev, dev_fetch_sw_netstats(s, dev->tstats); - s->rx_dropped = dev->stats.rx_dropped; - s->tx_dropped = dev->stats.tx_dropped; - s->rx_errors = dev->stats.rx_errors; + s->rx_dropped = atomic_long_read(&dev->stats.__rx_dropped); + s->tx_dropped = atomic_long_read(&dev->stats.__tx_dropped); + s->rx_errors = atomic_long_read(&dev->stats.__rx_errors); } static int macsec_get_iflink(const struct net_device *dev) diff --git a/drivers/net/mdio/mdio-bitbang.c b/drivers/net/mdio/mdio-bitbang.c index b83932562be2..81b7748c10ce 100644 --- a/drivers/net/mdio/mdio-bitbang.c +++ b/drivers/net/mdio/mdio-bitbang.c @@ -186,7 +186,7 @@ int mdiobb_read_c45(struct mii_bus *bus, int phy, int devad, int reg) struct mdiobb_ctrl *ctrl = bus->priv; mdiobb_cmd_addr(ctrl, phy, devad, reg); - mdiobb_cmd(ctrl, MDIO_C45_READ, phy, reg); + mdiobb_cmd(ctrl, MDIO_C45_READ, phy, devad); return mdiobb_read_common(bus, phy); } @@ -222,7 +222,7 @@ int mdiobb_write_c45(struct mii_bus *bus, int phy, int devad, int reg, u16 val) struct mdiobb_ctrl *ctrl = bus->priv; mdiobb_cmd_addr(ctrl, phy, devad, reg); - mdiobb_cmd(ctrl, MDIO_C45_WRITE, phy, reg); + mdiobb_cmd(ctrl, MDIO_C45_WRITE, phy, devad); return mdiobb_write_common(bus, val); } diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c index 323bec5e57f8..356099169003 100644 --- a/drivers/net/pcs/pcs-rzn1-miic.c +++ b/drivers/net/pcs/pcs-rzn1-miic.c @@ -313,15 +313,21 @@ struct phylink_pcs *miic_create(struct device *dev, struct device_node *np) pdev = of_find_device_by_node(pcs_np); of_node_put(pcs_np); - if (!pdev || !platform_get_drvdata(pdev)) + if (!pdev || !platform_get_drvdata(pdev)) { + if (pdev) + put_device(&pdev->dev); return ERR_PTR(-EPROBE_DEFER); + } miic_port = kzalloc(sizeof(*miic_port), GFP_KERNEL); - if (!miic_port) + if (!miic_port) { + put_device(&pdev->dev); return ERR_PTR(-ENOMEM); + } miic = platform_get_drvdata(pdev); device_link_add(dev, miic->dev, DL_FLAG_AUTOREMOVE_CONSUMER); + put_device(&pdev->dev); miic_port->miic = miic; miic_port->port = port - 1; diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index c1f307d90518..8a77ec33b417 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -459,21 +459,27 @@ static int at803x_set_wol(struct phy_device *phydev, phy_write_mmd(phydev, MDIO_MMD_PCS, offsets[i], mac[(i * 2) + 1] | (mac[(i * 2)] << 8)); - /* Enable WOL function */ - ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_PHY_MMD3_WOL_CTRL, - 0, AT803X_WOL_EN); - if (ret) - return ret; + /* Enable WOL function for 1588 */ + if (phydev->drv->phy_id == ATH8031_PHY_ID) { + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, + AT803X_PHY_MMD3_WOL_CTRL, + 0, AT803X_WOL_EN); + if (ret) + return ret; + } /* Enable WOL interrupt */ ret = phy_modify(phydev, AT803X_INTR_ENABLE, 0, AT803X_INTR_ENABLE_WOL); if (ret) return ret; } else { - /* Disable WoL function */ - ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_PHY_MMD3_WOL_CTRL, - AT803X_WOL_EN, 0); - if (ret) - return ret; + /* Disable WoL function for 1588 */ + if (phydev->drv->phy_id == ATH8031_PHY_ID) { + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, + AT803X_PHY_MMD3_WOL_CTRL, + AT803X_WOL_EN, 0); + if (ret) + return ret; + } /* Disable WOL interrupt */ ret = phy_modify(phydev, AT803X_INTR_ENABLE, AT803X_INTR_ENABLE_WOL, 0); if (ret) @@ -508,11 +514,11 @@ static void at803x_get_wol(struct phy_device *phydev, wol->supported = WAKE_MAGIC; wol->wolopts = 0; - value = phy_read_mmd(phydev, MDIO_MMD_PCS, AT803X_PHY_MMD3_WOL_CTRL); + value = phy_read(phydev, AT803X_INTR_ENABLE); if (value < 0) return; - if (value & AT803X_WOL_EN) + if (value & AT803X_INTR_ENABLE_WOL) wol->wolopts |= WAKE_MAGIC; } @@ -858,9 +864,6 @@ static int at803x_probe(struct phy_device *phydev) if (phydev->drv->phy_id == ATH8031_PHY_ID) { int ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG); int mode_cfg; - struct ethtool_wolinfo wol = { - .wolopts = 0, - }; if (ccr < 0) return ccr; @@ -877,12 +880,14 @@ static int at803x_probe(struct phy_device *phydev) break; } - /* Disable WOL by default */ - ret = at803x_set_wol(phydev, &wol); - if (ret < 0) { - phydev_err(phydev, "failed to disable WOL on probe: %d\n", ret); + /* Disable WoL in 1588 register which is enabled + * by default + */ + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, + AT803X_PHY_MMD3_WOL_CTRL, + AT803X_WOL_EN, 0); + if (ret) return ret; - } } return 0; @@ -2059,8 +2064,6 @@ static struct phy_driver at803x_driver[] = { .flags = PHY_POLL_CABLE_TEST, .config_init = at803x_config_init, .link_change_notify = at803x_link_change_notify, - .set_wol = at803x_set_wol, - .get_wol = at803x_get_wol, .suspend = at803x_suspend, .resume = at803x_resume, /* PHY_BASIC_FEATURES */ diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 59cae0d808aa..04b2e6eeb195 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -542,6 +542,17 @@ static int bcm54xx_resume(struct phy_device *phydev) return bcm54xx_config_init(phydev); } +static int bcm54810_read_mmd(struct phy_device *phydev, int devnum, u16 regnum) +{ + return -EOPNOTSUPP; +} + +static int bcm54810_write_mmd(struct phy_device *phydev, int devnum, u16 regnum, + u16 val) +{ + return -EOPNOTSUPP; +} + static int bcm54811_config_init(struct phy_device *phydev) { int err, reg; @@ -1103,6 +1114,8 @@ static struct phy_driver broadcom_drivers[] = { .get_strings = bcm_phy_get_strings, .get_stats = bcm54xx_get_stats, .probe = bcm54xx_phy_probe, + .read_mmd = bcm54810_read_mmd, + .write_mmd = bcm54810_write_mmd, .config_init = bcm54xx_config_init, .config_aneg = bcm5481_config_aneg, .config_intr = bcm_phy_config_intr, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index bdf00b2b2c1d..a9ecfdd19624 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1184,9 +1184,11 @@ void phy_stop_machine(struct phy_device *phydev) static void phy_process_error(struct phy_device *phydev) { - mutex_lock(&phydev->lock); + /* phydev->lock must be held for the state change to be safe */ + if (!mutex_is_locked(&phydev->lock)) + phydev_err(phydev, "PHY-device data unsafe context\n"); + phydev->state = PHY_ERROR; - mutex_unlock(&phydev->lock); phy_trigger_machine(phydev); } @@ -1195,7 +1197,9 @@ static void phy_error_precise(struct phy_device *phydev, const void *func, int err) { WARN(1, "%pS: returned: %d\n", func, err); + mutex_lock(&phydev->lock); phy_process_error(phydev); + mutex_unlock(&phydev->lock); } /** @@ -1204,8 +1208,7 @@ static void phy_error_precise(struct phy_device *phydev, * * Moves the PHY to the ERROR state in response to a read * or write error, and tells the controller the link is down. - * Must not be called from interrupt context, or while the - * phydev->lock is held. + * Must be called with phydev->lock held. */ void phy_error(struct phy_device *phydev) { diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 61921d4dbb13..c7cf61fe41cf 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -3216,6 +3216,8 @@ static int phy_probe(struct device *dev) goto out; } + phy_disable_interrupts(phydev); + /* Start out supporting everything. Eventually, * a controller will attach, and may modify one * or both of these values @@ -3333,16 +3335,6 @@ static int phy_remove(struct device *dev) return 0; } -static void phy_shutdown(struct device *dev) -{ - struct phy_device *phydev = to_phy_device(dev); - - if (phydev->state == PHY_READY || !phydev->attached_dev) - return; - - phy_disable_interrupts(phydev); -} - /** * phy_driver_register - register a phy_driver with the PHY layer * @new_driver: new phy_driver to register @@ -3376,7 +3368,6 @@ int phy_driver_register(struct phy_driver *new_driver, struct module *owner) new_driver->mdiodrv.driver.bus = &mdio_bus_type; new_driver->mdiodrv.driver.probe = phy_probe; new_driver->mdiodrv.driver.remove = phy_remove; - new_driver->mdiodrv.driver.shutdown = phy_shutdown; new_driver->mdiodrv.driver.owner = owner; new_driver->mdiodrv.driver.probe_type = PROBE_FORCE_SYNCHRONOUS; diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index e8dd47bffe43..208a9393c2df 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -258,6 +258,16 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, switch (id->base.extended_cc) { case SFF8024_ECC_UNSPEC: break; + case SFF8024_ECC_100G_25GAUI_C2M_AOC: + if (br_min <= 28000 && br_max >= 25000) { + /* 25GBASE-R, possibly with FEC */ + __set_bit(PHY_INTERFACE_MODE_25GBASER, interfaces); + /* There is currently no link mode for 25000base + * with unspecified range, reuse SR. + */ + phylink_set(modes, 25000baseSR_Full); + } + break; case SFF8024_ECC_100GBASE_SR4_25GBASE_SR: phylink_set(modes, 100000baseSR4_Full); phylink_set(modes, 25000baseSR_Full); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index d3dc22509ea5..382756c3fb83 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2200,7 +2200,9 @@ static void team_setup(struct net_device *dev) dev->hw_features = TEAM_VLAN_FEATURES | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_CTAG_FILTER; + NETIF_F_HW_VLAN_CTAG_FILTER | + NETIF_F_HW_VLAN_STAG_RX | + NETIF_F_HW_VLAN_STAG_FILTER; dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; dev->features |= dev->hw_features; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 25f0191df00b..100339bc8b04 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1594,7 +1594,7 @@ static bool tun_can_build_skb(struct tun_struct *tun, struct tun_file *tfile, if (zerocopy) return false; - if (SKB_DATA_ALIGN(len + TUN_RX_PAD) + + if (SKB_DATA_ALIGN(len + TUN_RX_PAD + XDP_PACKET_HEADROOM) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) > PAGE_SIZE) return false; diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 614f3e3efab0..ef8eacb596f7 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -1081,8 +1081,9 @@ static int __veth_napi_enable_range(struct net_device *dev, int start, int end) err_xdp_ring: for (i--; i >= start; i--) ptr_ring_cleanup(&priv->rq[i].xdp_ring, veth_ptr_free); + i = end; err_page_pool: - for (i = start; i < end; i++) { + for (i--; i >= start; i--) { page_pool_destroy(priv->rq[i].page_pool); priv->rq[i].page_pool = NULL; } @@ -1860,10 +1861,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, nla_peer = data[VETH_INFO_PEER]; ifmp = nla_data(nla_peer); - err = rtnl_nla_parse_ifla(peer_tb, - nla_data(nla_peer) + sizeof(struct ifinfomsg), - nla_len(nla_peer) - sizeof(struct ifinfomsg), - NULL); + err = rtnl_nla_parse_ifinfomsg(peer_tb, nla_peer, extack); if (err < 0) return err; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 1270c8d23463..8e9f4cfe941f 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2761,7 +2761,7 @@ static void virtnet_init_default_rss(struct virtnet_info *vi) vi->ctrl->rss.indirection_table[i] = indir_val; } - vi->ctrl->rss.max_tx_vq = vi->curr_queue_pairs; + vi->ctrl->rss.max_tx_vq = vi->has_rss ? vi->curr_queue_pairs : 0; vi->ctrl->rss.hash_key_length = vi->rss_key_size; netdev_rss_key_fill(vi->ctrl->rss.key, vi->rss_key_size); @@ -4219,8 +4219,6 @@ static int virtnet_probe(struct virtio_device *vdev) if (vi->has_rss || vi->has_rss_hash_report) virtnet_init_default_rss(vi); - _virtnet_set_queues(vi, vi->curr_queue_pairs); - /* serialize netdev register + virtio_device_ready() with ndo_open() */ rtnl_lock(); @@ -4233,6 +4231,8 @@ static int virtnet_probe(struct virtio_device *vdev) virtio_device_ready(vdev); + _virtnet_set_queues(vi, vi->curr_queue_pairs); + /* a random MAC address has been assigned, notify the device. * We don't fail probe if VIRTIO_NET_F_CTRL_MAC_ADDR is not there * because many devices work fine without getting MAC explicitly diff --git a/drivers/net/vxlan/vxlan_vnifilter.c b/drivers/net/vxlan/vxlan_vnifilter.c index a3de081cda5e..c3ff30ab782e 100644 --- a/drivers/net/vxlan/vxlan_vnifilter.c +++ b/drivers/net/vxlan/vxlan_vnifilter.c @@ -713,6 +713,12 @@ static struct vxlan_vni_node *vxlan_vni_alloc(struct vxlan_dev *vxlan, return vninode; } +static void vxlan_vni_free(struct vxlan_vni_node *vninode) +{ + free_percpu(vninode->stats); + kfree(vninode); +} + static int vxlan_vni_add(struct vxlan_dev *vxlan, struct vxlan_vni_group *vg, u32 vni, union vxlan_addr *group, @@ -740,7 +746,7 @@ static int vxlan_vni_add(struct vxlan_dev *vxlan, &vninode->vnode, vxlan_vni_rht_params); if (err) { - kfree(vninode); + vxlan_vni_free(vninode); return err; } @@ -763,8 +769,7 @@ static void vxlan_vni_node_rcu_free(struct rcu_head *rcu) struct vxlan_vni_node *v; v = container_of(rcu, struct vxlan_vni_node, rcu); - free_percpu(v->stats); - kfree(v); + vxlan_vni_free(v); } static int vxlan_vni_del(struct vxlan_dev *vxlan, diff --git a/drivers/net/wireguard/allowedips.c b/drivers/net/wireguard/allowedips.c index 5bf7822c53f1..0ba714ca5185 100644 --- a/drivers/net/wireguard/allowedips.c +++ b/drivers/net/wireguard/allowedips.c @@ -6,7 +6,7 @@ #include "allowedips.h" #include "peer.h" -enum { MAX_ALLOWEDIPS_BITS = 128 }; +enum { MAX_ALLOWEDIPS_DEPTH = 129 }; static struct kmem_cache *node_cache; @@ -42,7 +42,7 @@ static void push_rcu(struct allowedips_node **stack, struct allowedips_node __rcu *p, unsigned int *len) { if (rcu_access_pointer(p)) { - if (WARN_ON(IS_ENABLED(DEBUG) && *len >= MAX_ALLOWEDIPS_BITS)) + if (WARN_ON(IS_ENABLED(DEBUG) && *len >= MAX_ALLOWEDIPS_DEPTH)) return; stack[(*len)++] = rcu_dereference_raw(p); } @@ -55,7 +55,7 @@ static void node_free_rcu(struct rcu_head *rcu) static void root_free_rcu(struct rcu_head *rcu) { - struct allowedips_node *node, *stack[MAX_ALLOWEDIPS_BITS] = { + struct allowedips_node *node, *stack[MAX_ALLOWEDIPS_DEPTH] = { container_of(rcu, struct allowedips_node, rcu) }; unsigned int len = 1; @@ -68,7 +68,7 @@ static void root_free_rcu(struct rcu_head *rcu) static void root_remove_peer_lists(struct allowedips_node *root) { - struct allowedips_node *node, *stack[MAX_ALLOWEDIPS_BITS] = { root }; + struct allowedips_node *node, *stack[MAX_ALLOWEDIPS_DEPTH] = { root }; unsigned int len = 1; while (len > 0 && (node = stack[--len])) { diff --git a/drivers/net/wireguard/selftest/allowedips.c b/drivers/net/wireguard/selftest/allowedips.c index 78ebe2892a78..3d1f64ff2e12 100644 --- a/drivers/net/wireguard/selftest/allowedips.c +++ b/drivers/net/wireguard/selftest/allowedips.c @@ -593,16 +593,20 @@ bool __init wg_allowedips_selftest(void) wg_allowedips_remove_by_peer(&t, a, &mutex); test_negative(4, a, 192, 168, 0, 1); - /* These will hit the WARN_ON(len >= MAX_ALLOWEDIPS_BITS) in free_node + /* These will hit the WARN_ON(len >= MAX_ALLOWEDIPS_DEPTH) in free_node * if something goes wrong. */ - for (i = 0; i < MAX_ALLOWEDIPS_BITS; ++i) { - part = cpu_to_be64(~(1LLU << (i % 64))); - memset(&ip, 0xff, 16); - memcpy((u8 *)&ip + (i < 64) * 8, &part, 8); + for (i = 0; i < 64; ++i) { + part = cpu_to_be64(~0LLU << i); + memset(&ip, 0xff, 8); + memcpy((u8 *)&ip + 8, &part, 8); + wg_allowedips_insert_v6(&t, &ip, 128, a, &mutex); + memcpy(&ip, &part, 8); + memset((u8 *)&ip + 8, 0, 8); wg_allowedips_insert_v6(&t, &ip, 128, a, &mutex); } - + memset(&ip, 0, 16); + wg_allowedips_insert_v6(&t, &ip, 128, a, &mutex); wg_allowedips_free(&t, &mutex); wg_allowedips_init(&t); diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 6512267ae4ca..4928e4e91660 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -2144,8 +2144,7 @@ int ath12k_wmi_send_scan_start_cmd(struct ath12k *ar, struct wmi_tlv *tlv; void *ptr; int i, ret, len; - u32 *tmp_ptr; - u8 extraie_len_with_pad = 0; + u32 *tmp_ptr, extraie_len_with_pad = 0; struct ath12k_wmi_hint_short_ssid_arg *s_ssid = NULL; struct ath12k_wmi_hint_bssid_arg *hint_bssid = NULL; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index de8a2e27f49c..2a90bb24ba77 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -1456,6 +1456,10 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, params_size -= BRCMF_SCAN_PARAMS_V2_FIXED_SIZE; params_size += BRCMF_SCAN_PARAMS_FIXED_SIZE; params_v1 = kzalloc(params_size, GFP_KERNEL); + if (!params_v1) { + err = -ENOMEM; + goto exit_params; + } params_v1->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); brcmf_scan_params_v2_to_v1(¶ms->params_v2_le, ¶ms_v1->params_le); kfree(params); @@ -1473,6 +1477,7 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, bphy_err(drvr, "error (%d)\n", err); } +exit_params: kfree(params); exit: return err; diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index b20409f8c13a..20971304fdef 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -66,6 +66,7 @@ config IWLMVM tristate "Intel Wireless WiFi MVM Firmware support" select WANT_DEV_COREDUMP depends on MAC80211 + depends on PTP_1588_CLOCK_OPTIONAL help This is the driver that supports the MVM firmware. The list of the devices that use this firmware is available here: diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index b114babec698..c93e6250cb8b 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -2524,7 +2524,7 @@ static int cmac_dma_init(struct rtw89_dev *rtwdev, u8 mac_idx) u32 reg; int ret; - if (chip_id != RTL8852A && chip_id != RTL8852B) + if (chip_id != RTL8852B) return 0; ret = rtw89_mac_check_mac_en(rtwdev, mac_idx, RTW89_CMAC_SEL); diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index c8d20cddf658..88f760a7cbc3 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -396,7 +396,7 @@ static void xenvif_get_requests(struct xenvif_queue *queue, struct gnttab_map_grant_ref *gop = queue->tx_map_ops + *map_ops; struct xen_netif_tx_request *txp = first; - nr_slots = shinfo->nr_frags + 1; + nr_slots = shinfo->nr_frags + frag_overflow + 1; copy_count(skb) = 0; XENVIF_TX_CB(skb)->split_mask = 0; @@ -462,8 +462,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue, } } - for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; - shinfo->nr_frags++, gop++) { + for (shinfo->nr_frags = 0; nr_slots > 0 && shinfo->nr_frags < MAX_SKB_FRAGS; + shinfo->nr_frags++, gop++, nr_slots--) { index = pending_index(queue->pending_cons++); pending_idx = queue->pending_ring[index]; xenvif_tx_create_map_op(queue, pending_idx, txp, @@ -476,12 +476,12 @@ static void xenvif_get_requests(struct xenvif_queue *queue, txp++; } - if (frag_overflow) { + if (nr_slots > 0) { shinfo = skb_shinfo(nskb); frags = shinfo->frags; - for (shinfo->nr_frags = 0; shinfo->nr_frags < frag_overflow; + for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; shinfo->nr_frags++, txp++, gop++) { index = pending_index(queue->pending_cons++); pending_idx = queue->pending_ring[index]; @@ -492,6 +492,11 @@ static void xenvif_get_requests(struct xenvif_queue *queue, } skb_shinfo(skb)->frag_list = nskb; + } else if (nskb) { + /* A frag_list skb was allocated but it is no longer needed + * because enough slots were converted to copy ops above. + */ + kfree_skb(nskb); } (*copy_ops) = cop - queue->tx_copy_ops; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 37b6fa746662..f3a01b79148c 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3933,6 +3933,12 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl) */ nvme_mpath_clear_ctrl_paths(ctrl); + /* + * Unquiesce io queues so any pending IO won't hang, especially + * those submitted from scan work + */ + nvme_unquiesce_io_queues(ctrl); + /* prevent racing with ns scanning */ flush_work(&ctrl->scan_work); @@ -3942,10 +3948,8 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl) * removing the namespaces' disks; fail all the queues now to avoid * potentially having to clean up the failed sync later. */ - if (ctrl->state == NVME_CTRL_DEAD) { + if (ctrl->state == NVME_CTRL_DEAD) nvme_mark_namespaces_dead(ctrl); - nvme_unquiesce_io_queues(ctrl); - } /* this is a no-op when called from the controller reset handler */ nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING_NOIO); diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 5c3250f36ce7..d39f3219358b 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -786,11 +786,9 @@ int nvme_ns_chr_uring_cmd_iopoll(struct io_uring_cmd *ioucmd, if (!(ioucmd->flags & IORING_URING_CMD_POLLED)) return 0; - rcu_read_lock(); req = READ_ONCE(ioucmd->cookie); if (req && blk_rq_is_poll(req)) ret = blk_rq_poll(req, iob, poll_flags); - rcu_read_unlock(); return ret; } #ifdef CONFIG_NVME_MULTIPATH diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index baf69af7ea78..2f57da12d983 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3402,7 +3402,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(0x1d97, 0x2263), /* SPCC */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x144d, 0xa80b), /* Samsung PM9B1 256G and 512G */ - .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, + .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES | + NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x144d, 0xa809), /* Samsung MZALQ256HBJD 256G */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x144d, 0xa802), /* Samsung SM953 */ diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index d433b2ec07a6..337a624a537c 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -883,6 +883,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) goto out_cleanup_tagset; if (!new) { + nvme_start_freeze(&ctrl->ctrl); nvme_unquiesce_io_queues(&ctrl->ctrl); if (!nvme_wait_freeze_timeout(&ctrl->ctrl, NVME_IO_TIMEOUT)) { /* @@ -891,6 +892,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) * to be safe. */ ret = -ENODEV; + nvme_unfreeze(&ctrl->ctrl); goto out_wait_freeze_timed_out; } blk_mq_update_nr_hw_queues(ctrl->ctrl.tagset, @@ -940,7 +942,6 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, bool remove) { if (ctrl->ctrl.queue_count > 1) { - nvme_start_freeze(&ctrl->ctrl); nvme_quiesce_io_queues(&ctrl->ctrl); nvme_sync_io_queues(&ctrl->ctrl); nvme_rdma_stop_io_queues(ctrl); diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 9ce417cd32a7..5b332d9f87fc 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1868,6 +1868,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) goto out_cleanup_connect_q; if (!new) { + nvme_start_freeze(ctrl); nvme_unquiesce_io_queues(ctrl); if (!nvme_wait_freeze_timeout(ctrl, NVME_IO_TIMEOUT)) { /* @@ -1876,6 +1877,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) * to be safe. */ ret = -ENODEV; + nvme_unfreeze(ctrl); goto out_wait_freeze_timed_out; } blk_mq_update_nr_hw_queues(ctrl->tagset, @@ -1980,7 +1982,6 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, if (ctrl->queue_count <= 1) return; nvme_quiesce_admin_queue(ctrl); - nvme_start_freeze(ctrl); nvme_quiesce_io_queues(ctrl); nvme_sync_io_queues(ctrl); nvme_tcp_stop_io_queues(ctrl); diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index e311d406b170..4999636eaa92 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -63,15 +63,14 @@ int of_reconfig_notifier_unregister(struct notifier_block *nb) } EXPORT_SYMBOL_GPL(of_reconfig_notifier_unregister); -#ifdef DEBUG -const char *action_names[] = { +static const char *action_names[] = { + [0] = "INVALID", [OF_RECONFIG_ATTACH_NODE] = "ATTACH_NODE", [OF_RECONFIG_DETACH_NODE] = "DETACH_NODE", [OF_RECONFIG_ADD_PROPERTY] = "ADD_PROPERTY", [OF_RECONFIG_REMOVE_PROPERTY] = "REMOVE_PROPERTY", [OF_RECONFIG_UPDATE_PROPERTY] = "UPDATE_PROPERTY", }; -#endif int of_reconfig_notify(unsigned long action, struct of_reconfig_data *p) { @@ -620,21 +619,9 @@ static int __of_changeset_entry_apply(struct of_changeset_entry *ce) } ret = __of_add_property(ce->np, ce->prop); - if (ret) { - pr_err("changeset: add_property failed @%pOF/%s\n", - ce->np, - ce->prop->name); - break; - } break; case OF_RECONFIG_REMOVE_PROPERTY: ret = __of_remove_property(ce->np, ce->prop); - if (ret) { - pr_err("changeset: remove_property failed @%pOF/%s\n", - ce->np, - ce->prop->name); - break; - } break; case OF_RECONFIG_UPDATE_PROPERTY: @@ -648,20 +635,17 @@ static int __of_changeset_entry_apply(struct of_changeset_entry *ce) } ret = __of_update_property(ce->np, ce->prop, &old_prop); - if (ret) { - pr_err("changeset: update_property failed @%pOF/%s\n", - ce->np, - ce->prop->name); - break; - } break; default: ret = -EINVAL; } raw_spin_unlock_irqrestore(&devtree_lock, flags); - if (ret) + if (ret) { + pr_err("changeset: apply failed: %-15s %pOF:%s\n", + action_names[ce->action], ce->np, ce->prop->name); return ret; + } switch (ce->action) { case OF_RECONFIG_ATTACH_NODE: @@ -947,6 +931,9 @@ int of_changeset_action(struct of_changeset *ocs, unsigned long action, if (!ce) return -ENOMEM; + if (WARN_ON(action >= ARRAY_SIZE(action_names))) + return -EINVAL; + /* get a reference to the node */ ce->action = action; ce->np = of_node_get(np); diff --git a/drivers/of/kexec.c b/drivers/of/kexec.c index f26d2ba8a371..68278340cecf 100644 --- a/drivers/of/kexec.c +++ b/drivers/of/kexec.c @@ -184,7 +184,8 @@ int __init ima_free_kexec_buffer(void) if (ret) return ret; - return memblock_phys_free(addr, size); + memblock_free_late(addr, size); + return 0; } #endif diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 0c3475e7d2ff..6a557eb866d0 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -141,7 +141,7 @@ struct platform_device *of_device_alloc(struct device_node *np, } /* setup generic device info */ - device_set_node(&dev->dev, of_fwnode_handle(np)); + device_set_node(&dev->dev, of_fwnode_handle(of_node_get(np))); dev->dev.parent = parent ? : &platform_bus; if (bus_id) @@ -239,7 +239,7 @@ static struct amba_device *of_amba_device_create(struct device_node *node, dev->dev.dma_mask = &dev->dev.coherent_dma_mask; /* setup generic device info */ - device_set_node(&dev->dev, of_fwnode_handle(node)); + device_set_node(&dev->dev, of_fwnode_handle(of_node_get(node))); dev->dev.parent = parent ? : &platform_bus; dev->dev.platform_data = platform_data; if (bus_id) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index a406a12eb208..b545fcb22536 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -664,12 +664,12 @@ static void __init of_unittest_parse_phandle_with_args_map(void) memset(&args, 0, sizeof(args)); EXPECT_BEGIN(KERN_INFO, - "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle"); + "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle 12345678"); rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-phandle", "phandle", 0, &args); EXPECT_END(KERN_INFO, - "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle"); + "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle 12345678"); unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index bf3405f4289e..8b1dcd537020 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -121,6 +121,8 @@ module_param(sba_reserve_agpgart, int, 0444); MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART"); #endif +struct proc_dir_entry *proc_runway_root __ro_after_init; +struct proc_dir_entry *proc_mckinley_root __ro_after_init; /************************************ ** SBA register read and write support @@ -1968,11 +1970,15 @@ static int __init sba_driver_callback(struct parisc_device *dev) #ifdef CONFIG_PROC_FS switch (dev->id.hversion) { case PLUTO_MCKINLEY_PORT: + if (!proc_mckinley_root) + proc_mckinley_root = proc_mkdir("bus/mckinley", NULL); root = proc_mckinley_root; break; case ASTRO_RUNWAY_PORT: case IKE_MERCED_PORT: default: + if (!proc_runway_root) + proc_runway_root = proc_mkdir("bus/runway", NULL); root = proc_runway_root; break; } diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 5bc81cc0a2de..46b252bbe500 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -11,6 +11,7 @@ #include <linux/pci.h> #include <linux/errno.h> #include <linux/ioport.h> +#include <linux/of.h> #include <linux/proc_fs.h> #include <linux/slab.h> @@ -332,6 +333,7 @@ void __weak pcibios_bus_add_device(struct pci_dev *pdev) { } */ void pci_bus_add_device(struct pci_dev *dev) { + struct device_node *dn = dev->dev.of_node; int retval; /* @@ -344,7 +346,7 @@ void pci_bus_add_device(struct pci_dev *dev) pci_proc_attach_device(dev); pci_bridge_d3_update(dev); - dev->match_driver = true; + dev->match_driver = !dn || of_device_is_available(dn); retval = device_attach(&dev->dev); if (retval < 0 && retval != -EPROBE_DEFER) pci_warn(dev, "device attach failed (%d)\n", retval); diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 8d49bad7f847..0859be86e718 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -179,7 +179,6 @@ config PCI_MVEBU depends on MVEBU_MBUS depends on ARM depends on OF - depends on BROKEN select PCI_BRIDGE_EMUL help Add support for Marvell EBU PCIe controller. This PCIe controller diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index cf61733bf78d..9952057c8819 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -485,20 +485,15 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp) if (ret) goto err_remove_edma; - if (dw_pcie_link_up(pci)) { - dw_pcie_print_link_status(pci); - } else { + if (!dw_pcie_link_up(pci)) { ret = dw_pcie_start_link(pci); if (ret) goto err_remove_edma; - - if (pci->ops && pci->ops->start_link) { - ret = dw_pcie_wait_for_link(pci); - if (ret) - goto err_stop_link; - } } + /* Ignore errors, the link may come up later */ + dw_pcie_wait_for_link(pci); + bridge->sysdata = pp; ret = pci_host_probe(bridge); diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index c87848cd8686..1f2ee71da4da 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -644,20 +644,9 @@ void dw_pcie_disable_atu(struct dw_pcie *pci, u32 dir, int index) dw_pcie_writel_atu(pci, dir, index, PCIE_ATU_REGION_CTRL2, 0); } -void dw_pcie_print_link_status(struct dw_pcie *pci) -{ - u32 offset, val; - - offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); - val = dw_pcie_readw_dbi(pci, offset + PCI_EXP_LNKSTA); - - dev_info(pci->dev, "PCIe Gen.%u x%u link up\n", - FIELD_GET(PCI_EXP_LNKSTA_CLS, val), - FIELD_GET(PCI_EXP_LNKSTA_NLW, val)); -} - int dw_pcie_wait_for_link(struct dw_pcie *pci) { + u32 offset, val; int retries; /* Check if the link is up or not */ @@ -673,7 +662,12 @@ int dw_pcie_wait_for_link(struct dw_pcie *pci) return -ETIMEDOUT; } - dw_pcie_print_link_status(pci); + offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); + val = dw_pcie_readw_dbi(pci, offset + PCI_EXP_LNKSTA); + + dev_info(pci->dev, "PCIe Gen.%u x%u link up\n", + FIELD_GET(PCI_EXP_LNKSTA_CLS, val), + FIELD_GET(PCI_EXP_LNKSTA_NLW, val)); return 0; } diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 615660640801..79713ce075cc 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -429,7 +429,6 @@ void dw_pcie_setup(struct dw_pcie *pci); void dw_pcie_iatu_detect(struct dw_pcie *pci); int dw_pcie_edma_detect(struct dw_pcie *pci); void dw_pcie_edma_remove(struct dw_pcie *pci); -void dw_pcie_print_link_status(struct dw_pcie *pci); static inline void dw_pcie_writel_dbi(struct dw_pcie *pci, u32 reg, u32 val) { diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 328d1e416014..601129772b2d 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -498,6 +498,7 @@ static void enable_slot(struct acpiphp_slot *slot, bool bridge) acpiphp_native_scan_bridge(dev); } } else { + LIST_HEAD(add_list); int max, pass; acpiphp_rescan_slot(slot); @@ -511,10 +512,15 @@ static void enable_slot(struct acpiphp_slot *slot, bool bridge) if (pass && dev->subordinate) { check_hotplug_bridge(slot, dev); pcibios_resource_survey_bus(dev->subordinate); + if (pci_is_root_bus(bus)) + __pci_bus_size_bridges(dev->subordinate, &add_list); } } } - pci_assign_unassigned_bridge_resources(bus->self); + if (pci_is_root_bus(bus)) + __pci_bus_assign_resources(bus, &add_list, NULL); + else + pci_assign_unassigned_bridge_resources(bus->self); } acpiphp_sanitize_bus(bus); diff --git a/drivers/pci/of.c b/drivers/pci/of.c index e51219f9f523..3c158b17dcb5 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -34,11 +34,6 @@ int pci_set_of_node(struct pci_dev *dev) if (!node) return 0; - if (!of_device_is_available(node)) { - of_node_put(node); - return -ENODEV; - } - device_set_node(&dev->dev, of_fwnode_handle(node)); return 0; } diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 4a8c1b57a90d..4dff656af3ad 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -862,6 +862,33 @@ static const struct pinconf_ops amd_pinconf_ops = { .pin_config_group_set = amd_pinconf_group_set, }; +static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) +{ + struct pinctrl_desc *desc = gpio_dev->pctrl->desc; + unsigned long flags; + u32 pin_reg, mask; + int i; + + mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3) | + BIT(WAKE_CNTRL_OFF_S4); + + for (i = 0; i < desc->npins; i++) { + int pin = desc->pins[i].number; + const struct pin_desc *pd = pin_desc_get(gpio_dev->pctrl, pin); + + if (!pd) + continue; + + raw_spin_lock_irqsave(&gpio_dev->lock, flags); + + pin_reg = readl(gpio_dev->base + pin * 4); + pin_reg &= ~mask; + writel(pin_reg, gpio_dev->base + pin * 4); + + raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); + } +} + #ifdef CONFIG_PM_SLEEP static bool amd_gpio_should_save(struct amd_gpio *gpio_dev, unsigned int pin) { @@ -1099,6 +1126,9 @@ static int amd_gpio_probe(struct platform_device *pdev) return PTR_ERR(gpio_dev->pctrl); } + /* Disable and mask interrupts */ + amd_gpio_irq_init(gpio_dev); + girq = &gpio_dev->gc.irq; gpio_irq_chip_set_chip(girq, &amd_gpio_irqchip); /* This will let us handle the parent IRQ in the driver */ diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 2585ef2b2793..115b83e2d8e6 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -1038,6 +1038,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type) struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct msm_pinctrl *pctrl = gpiochip_get_data(gc); const struct msm_pingroup *g; + u32 intr_target_mask = GENMASK(2, 0); unsigned long flags; bool was_enabled; u32 val; @@ -1074,13 +1075,15 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type) * With intr_target_use_scm interrupts are routed to * application cpu using scm calls. */ + if (g->intr_target_width) + intr_target_mask = GENMASK(g->intr_target_width - 1, 0); + if (pctrl->intr_target_use_scm) { u32 addr = pctrl->phys_base[0] + g->intr_target_reg; int ret; qcom_scm_io_readl(addr, &val); - - val &= ~(7 << g->intr_target_bit); + val &= ~(intr_target_mask << g->intr_target_bit); val |= g->intr_target_kpss_val << g->intr_target_bit; ret = qcom_scm_io_writel(addr, val); @@ -1090,7 +1093,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type) d->hwirq); } else { val = msm_readl_intr_target(pctrl, g); - val &= ~(7 << g->intr_target_bit); + val &= ~(intr_target_mask << g->intr_target_bit); val |= g->intr_target_kpss_val << g->intr_target_bit; msm_writel_intr_target(val, pctrl, g); } diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index 5e4410bed823..1d2f2e904da1 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -59,6 +59,7 @@ struct pinctrl_pin_desc; * @intr_status_bit: Offset in @intr_status_reg for reading and acking the interrupt * status. * @intr_target_bit: Offset in @intr_target_reg for configuring the interrupt routing. + * @intr_target_width: Number of bits used for specifying interrupt routing target. * @intr_target_kpss_val: Value in @intr_target_bit for specifying that the interrupt from * this gpio should get routed to the KPSS processor. * @intr_raw_status_bit: Offset in @intr_cfg_reg for the raw status bit. @@ -100,6 +101,7 @@ struct msm_pingroup { unsigned intr_ack_high:1; unsigned intr_target_bit:5; + unsigned intr_target_width:5; unsigned intr_target_kpss_val:5; unsigned intr_raw_status_bit:5; unsigned intr_polarity_bit:5; diff --git a/drivers/pinctrl/qcom/pinctrl-sa8775p.c b/drivers/pinctrl/qcom/pinctrl-sa8775p.c index 8a5cd15512b9..8fdea25d8d67 100644 --- a/drivers/pinctrl/qcom/pinctrl-sa8775p.c +++ b/drivers/pinctrl/qcom/pinctrl-sa8775p.c @@ -46,6 +46,7 @@ .intr_enable_bit = 0, \ .intr_status_bit = 0, \ .intr_target_bit = 5, \ + .intr_target_width = 4, \ .intr_target_kpss_val = 3, \ .intr_raw_status_bit = 4, \ .intr_polarity_bit = 1, \ diff --git a/drivers/pinctrl/renesas/pinctrl-rza2.c b/drivers/pinctrl/renesas/pinctrl-rza2.c index 40b1326a1077..5591ddf16fdf 100644 --- a/drivers/pinctrl/renesas/pinctrl-rza2.c +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c @@ -14,6 +14,7 @@ #include <linux/gpio/driver.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of_device.h> #include <linux/pinctrl/pinmux.h> @@ -46,6 +47,7 @@ struct rza2_pinctrl_priv { struct pinctrl_dev *pctl; struct pinctrl_gpio_range gpio_range; int npins; + struct mutex mutex; /* serialize adding groups and functions */ }; #define RZA2_PDR(port) (0x0000 + (port) * 2) /* Direction 16-bit */ @@ -358,10 +360,14 @@ static int rza2_dt_node_to_map(struct pinctrl_dev *pctldev, psel_val[i] = MUX_FUNC(value); } + mutex_lock(&priv->mutex); + /* Register a single pin group listing all the pins we read from DT */ gsel = pinctrl_generic_add_group(pctldev, np->name, pins, npins, NULL); - if (gsel < 0) - return gsel; + if (gsel < 0) { + ret = gsel; + goto unlock; + } /* * Register a single group function where the 'data' is an array PSEL @@ -390,6 +396,8 @@ static int rza2_dt_node_to_map(struct pinctrl_dev *pctldev, (*map)->data.mux.function = np->name; *num_maps = 1; + mutex_unlock(&priv->mutex); + return 0; remove_function: @@ -398,6 +406,9 @@ remove_function: remove_group: pinctrl_generic_remove_group(pctldev, gsel); +unlock: + mutex_unlock(&priv->mutex); + dev_err(priv->dev, "Unable to parse DT node %s\n", np->name); return ret; @@ -473,6 +484,8 @@ static int rza2_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); + mutex_init(&priv->mutex); + platform_set_drvdata(pdev, priv); priv->npins = (int)(uintptr_t)of_device_get_match_data(&pdev->dev) * diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index b53d26167da5..6e8a76556e23 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -11,6 +11,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/seq_file.h> @@ -149,10 +150,11 @@ struct rzg2l_pinctrl { struct gpio_chip gpio_chip; struct pinctrl_gpio_range gpio_range; DECLARE_BITMAP(tint_slot, RZG2L_TINT_MAX_INTERRUPT); - spinlock_t bitmap_lock; + spinlock_t bitmap_lock; /* protect tint_slot bitmap */ unsigned int hwirq[RZG2L_TINT_MAX_INTERRUPT]; - spinlock_t lock; + spinlock_t lock; /* lock read/write registers */ + struct mutex mutex; /* serialize adding groups and functions */ }; static const unsigned int iolh_groupa_mA[] = { 2, 4, 8, 12 }; @@ -362,11 +364,13 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, name = np->name; } + mutex_lock(&pctrl->mutex); + /* Register a single pin group listing all the pins we read from DT */ gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL); if (gsel < 0) { ret = gsel; - goto done; + goto unlock; } /* @@ -380,6 +384,8 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, goto remove_group; } + mutex_unlock(&pctrl->mutex); + maps[idx].type = PIN_MAP_TYPE_MUX_GROUP; maps[idx].data.mux.group = name; maps[idx].data.mux.function = name; @@ -391,6 +397,8 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, remove_group: pinctrl_generic_remove_group(pctldev, gsel); +unlock: + mutex_unlock(&pctrl->mutex); done: *index = idx; kfree(configs); @@ -1509,6 +1517,7 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) spin_lock_init(&pctrl->lock); spin_lock_init(&pctrl->bitmap_lock); + mutex_init(&pctrl->mutex); platform_set_drvdata(pdev, pctrl); diff --git a/drivers/pinctrl/renesas/pinctrl-rzv2m.c b/drivers/pinctrl/renesas/pinctrl-rzv2m.c index 35b23c1a5684..9146101ea9e2 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzv2m.c +++ b/drivers/pinctrl/renesas/pinctrl-rzv2m.c @@ -14,6 +14,7 @@ #include <linux/gpio/driver.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of_device.h> #include <linux/spinlock.h> @@ -123,7 +124,8 @@ struct rzv2m_pinctrl { struct gpio_chip gpio_chip; struct pinctrl_gpio_range gpio_range; - spinlock_t lock; + spinlock_t lock; /* lock read/write registers */ + struct mutex mutex; /* serialize adding groups and functions */ }; static const unsigned int drv_1_8V_group2_uA[] = { 1800, 3800, 7800, 11000 }; @@ -322,11 +324,13 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev, name = np->name; } + mutex_lock(&pctrl->mutex); + /* Register a single pin group listing all the pins we read from DT */ gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL); if (gsel < 0) { ret = gsel; - goto done; + goto unlock; } /* @@ -340,6 +344,8 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev, goto remove_group; } + mutex_unlock(&pctrl->mutex); + maps[idx].type = PIN_MAP_TYPE_MUX_GROUP; maps[idx].data.mux.group = name; maps[idx].data.mux.function = name; @@ -351,6 +357,8 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev, remove_group: pinctrl_generic_remove_group(pctldev, gsel); +unlock: + mutex_unlock(&pctrl->mutex); done: *index = idx; kfree(configs); @@ -1071,6 +1079,7 @@ static int rzv2m_pinctrl_probe(struct platform_device *pdev) } spin_lock_init(&pctrl->lock); + mutex_init(&pctrl->mutex); platform_set_drvdata(pdev, pctrl); diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c index a79318e90a13..b600b77d91ef 100644 --- a/drivers/platform/mellanox/mlxbf-tmfifo.c +++ b/drivers/platform/mellanox/mlxbf-tmfifo.c @@ -887,6 +887,7 @@ static bool mlxbf_tmfifo_virtio_notify(struct virtqueue *vq) tm_vdev = fifo->vdev[VIRTIO_ID_CONSOLE]; mlxbf_tmfifo_console_output(tm_vdev, vring); spin_unlock_irqrestore(&fifo->spin_lock[0], flags); + set_bit(MLXBF_TM_TX_LWM_IRQ, &fifo->pend_events); } else if (test_and_set_bit(MLXBF_TM_TX_LWM_IRQ, &fifo->pend_events)) { return true; diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c index ab69d517a36a..a70e67749be3 100644 --- a/drivers/platform/x86/amd/pmf/sps.c +++ b/drivers/platform/x86/amd/pmf/sps.c @@ -176,7 +176,8 @@ int amd_pmf_get_pprof_modes(struct amd_pmf_dev *pmf) int amd_pmf_power_slider_update_event(struct amd_pmf_dev *dev) { - u8 mode, flag = 0; + u8 flag = 0; + int mode; int src; mode = amd_pmf_get_pprof_modes(dev); diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index d2fee9a3e239..6d9297c1d96c 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -1049,6 +1049,11 @@ static const struct key_entry ideapad_keymap[] = { { KE_IGNORE, 0x03 | IDEAPAD_WMI_KEY }, /* Customizable Lenovo Hotkey ("star" with 'S' inside) */ { KE_KEY, 0x01 | IDEAPAD_WMI_KEY, { KEY_FAVORITES } }, + { KE_KEY, 0x04 | IDEAPAD_WMI_KEY, { KEY_SELECTIVE_SCREENSHOT } }, + /* Lenovo Support */ + { KE_KEY, 0x07 | IDEAPAD_WMI_KEY, { KEY_HELP } }, + { KE_KEY, 0x0e | IDEAPAD_WMI_KEY, { KEY_PICKUP_PHONE } }, + { KE_KEY, 0x0f | IDEAPAD_WMI_KEY, { KEY_HANGUP_PHONE } }, /* Dark mode toggle */ { KE_KEY, 0x13 | IDEAPAD_WMI_KEY, { KEY_PROG1 } }, /* Sound profile switch */ diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c index 1f59ac55c5f7..a95004e3d80b 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c @@ -335,8 +335,8 @@ static struct pci_dev *_isst_if_get_pci_dev(int cpu, int bus_no, int dev, int fn node = dev_to_node(&_pci_dev->dev); if (node == NUMA_NO_NODE) { - pr_info("Fail to get numa node for CPU:%d bus:%d dev:%d fn:%d\n", - cpu, bus_no, dev, fn); + pr_info_once("Fail to get numa node for CPU:%d bus:%d dev:%d fn:%d\n", + cpu, bus_no, dev, fn); continue; } diff --git a/drivers/platform/x86/lenovo-ymc.c b/drivers/platform/x86/lenovo-ymc.c index 41676188b373..e1fbc35504d4 100644 --- a/drivers/platform/x86/lenovo-ymc.c +++ b/drivers/platform/x86/lenovo-ymc.c @@ -24,6 +24,10 @@ static bool ec_trigger __read_mostly; module_param(ec_trigger, bool, 0444); MODULE_PARM_DESC(ec_trigger, "Enable EC triggering work-around to force emitting tablet mode events"); +static bool force; +module_param(force, bool, 0444); +MODULE_PARM_DESC(force, "Force loading on boards without a convertible DMI chassis-type"); + static const struct dmi_system_id ec_trigger_quirk_dmi_table[] = { { /* Lenovo Yoga 7 14ARB7 */ @@ -32,6 +36,27 @@ static const struct dmi_system_id ec_trigger_quirk_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "82QF"), }, }, + { + /* Lenovo Yoga 7 14ACN6 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "82N7"), + }, + }, + { } +}; + +static const struct dmi_system_id allowed_chasis_types_dmi_table[] = { + { + .matches = { + DMI_EXACT_MATCH(DMI_CHASSIS_TYPE, "31" /* Convertible */), + }, + }, + { + .matches = { + DMI_EXACT_MATCH(DMI_CHASSIS_TYPE, "32" /* Detachable */), + }, + }, { } }; @@ -111,6 +136,13 @@ static int lenovo_ymc_probe(struct wmi_device *wdev, const void *ctx) struct input_dev *input_dev; int err; + if (!dmi_check_system(allowed_chasis_types_dmi_table)) { + if (force) + dev_info(&wdev->dev, "Force loading Lenovo YMC support\n"); + else + return -ENODEV; + } + ec_trigger |= dmi_check_system(ec_trigger_quirk_dmi_table); priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL); diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index 67367f010139..7d33977d9c60 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -62,10 +62,6 @@ #define MLXPLAT_CPLD_LPC_REG_PWM_CONTROL_OFFSET 0x37 #define MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET 0x3a #define MLXPLAT_CPLD_LPC_REG_AGGR_MASK_OFFSET 0x3b -#define MLXPLAT_CPLD_LPC_REG_DBG1_OFFSET 0x3c -#define MLXPLAT_CPLD_LPC_REG_DBG2_OFFSET 0x3d -#define MLXPLAT_CPLD_LPC_REG_DBG3_OFFSET 0x3e -#define MLXPLAT_CPLD_LPC_REG_DBG4_OFFSET 0x3f #define MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET 0x40 #define MLXPLAT_CPLD_LPC_REG_AGGRLO_MASK_OFFSET 0x41 #define MLXPLAT_CPLD_LPC_REG_AGGRCO_OFFSET 0x42 @@ -126,6 +122,10 @@ #define MLXPLAT_CPLD_LPC_REG_LC_SD_EVENT_OFFSET 0xaa #define MLXPLAT_CPLD_LPC_REG_LC_SD_MASK_OFFSET 0xab #define MLXPLAT_CPLD_LPC_REG_LC_PWR_ON 0xb2 +#define MLXPLAT_CPLD_LPC_REG_DBG1_OFFSET 0xb6 +#define MLXPLAT_CPLD_LPC_REG_DBG2_OFFSET 0xb7 +#define MLXPLAT_CPLD_LPC_REG_DBG3_OFFSET 0xb8 +#define MLXPLAT_CPLD_LPC_REG_DBG4_OFFSET 0xb9 #define MLXPLAT_CPLD_LPC_REG_GP4_RO_OFFSET 0xc2 #define MLXPLAT_CPLD_LPC_REG_SPI_CHNL_SELECT 0xc3 #define MLXPLAT_CPLD_LPC_REG_WD_CLEAR_OFFSET 0xc7 @@ -222,7 +222,7 @@ MLXPLAT_CPLD_AGGR_MASK_LC_SDWN) #define MLXPLAT_CPLD_LOW_AGGR_MASK_LOW 0xc1 #define MLXPLAT_CPLD_LOW_AGGR_MASK_ASIC2 BIT(2) -#define MLXPLAT_CPLD_LOW_AGGR_MASK_PWR_BUT BIT(4) +#define MLXPLAT_CPLD_LOW_AGGR_MASK_PWR_BUT GENMASK(5, 4) #define MLXPLAT_CPLD_LOW_AGGR_MASK_I2C BIT(6) #define MLXPLAT_CPLD_PSU_MASK GENMASK(1, 0) #define MLXPLAT_CPLD_PWR_MASK GENMASK(1, 0) @@ -237,7 +237,7 @@ #define MLXPLAT_CPLD_GWP_MASK GENMASK(0, 0) #define MLXPLAT_CPLD_EROT_MASK GENMASK(1, 0) #define MLXPLAT_CPLD_PWR_BUTTON_MASK BIT(0) -#define MLXPLAT_CPLD_LATCH_RST_MASK BIT(5) +#define MLXPLAT_CPLD_LATCH_RST_MASK BIT(6) #define MLXPLAT_CPLD_THERMAL1_PDB_MASK BIT(3) #define MLXPLAT_CPLD_THERMAL2_PDB_MASK BIT(4) #define MLXPLAT_CPLD_INTRUSION_MASK BIT(6) @@ -2356,7 +2356,7 @@ mlxplat_mlxcpld_l1_switch_pwr_events_handler(void *handle, enum mlxreg_hotplug_k u8 action) { dev_info(&mlxplat_dev->dev, "System shutdown due to short press of power button"); - kernel_halt(); + kernel_power_off(); return 0; } @@ -2475,7 +2475,7 @@ static struct mlxreg_core_item mlxplat_mlxcpld_l1_switch_events_items[] = { .reg = MLXPLAT_CPLD_LPC_REG_PWRB_OFFSET, .mask = MLXPLAT_CPLD_PWR_BUTTON_MASK, .count = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_pwr_events_items_data), - .inversed = 0, + .inversed = 1, .health = false, }, { @@ -2484,7 +2484,7 @@ static struct mlxreg_core_item mlxplat_mlxcpld_l1_switch_events_items[] = { .reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET, .mask = MLXPLAT_CPLD_L1_CHA_HEALTH_MASK, .count = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_health_events_items_data), - .inversed = 0, + .inversed = 1, .health = false, .ind = 8, }, @@ -3677,7 +3677,7 @@ static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_regs_io_data[] = { { .label = "latch_reset", .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, - .mask = GENMASK(7, 0) & ~BIT(5), + .mask = GENMASK(7, 0) & ~BIT(6), .mode = 0200, }, { @@ -6238,8 +6238,6 @@ static void mlxplat_i2c_mux_topolgy_exit(struct mlxplat_priv *priv) if (priv->pdev_mux[i]) platform_device_unregister(priv->pdev_mux[i]); } - - mlxplat_post_exit(); } static int mlxplat_i2c_main_complition_notify(void *handle, int id) @@ -6369,6 +6367,7 @@ static void __exit mlxplat_exit(void) pm_power_off = NULL; mlxplat_pre_exit(priv); mlxplat_i2c_main_exit(priv); + mlxplat_post_exit(); } module_exit(mlxplat_exit); diff --git a/drivers/platform/x86/msi-ec.c b/drivers/platform/x86/msi-ec.c index ff93986e3d35..f26a3121092f 100644 --- a/drivers/platform/x86/msi-ec.c +++ b/drivers/platform/x86/msi-ec.c @@ -27,15 +27,15 @@ #include <linux/seq_file.h> #include <linux/string.h> -static const char *const SM_ECO_NAME = "eco"; -static const char *const SM_COMFORT_NAME = "comfort"; -static const char *const SM_SPORT_NAME = "sport"; -static const char *const SM_TURBO_NAME = "turbo"; - -static const char *const FM_AUTO_NAME = "auto"; -static const char *const FM_SILENT_NAME = "silent"; -static const char *const FM_BASIC_NAME = "basic"; -static const char *const FM_ADVANCED_NAME = "advanced"; +#define SM_ECO_NAME "eco" +#define SM_COMFORT_NAME "comfort" +#define SM_SPORT_NAME "sport" +#define SM_TURBO_NAME "turbo" + +#define FM_AUTO_NAME "auto" +#define FM_SILENT_NAME "silent" +#define FM_BASIC_NAME "basic" +#define FM_ADVANCED_NAME "advanced" static const char * const ALLOWED_FW_0[] __initconst = { "14C1EMS1.012", diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c index 2c2abf69f049..8158e3cf5d6d 100644 --- a/drivers/platform/x86/serial-multi-instantiate.c +++ b/drivers/platform/x86/serial-multi-instantiate.c @@ -329,6 +329,19 @@ static const struct smi_node cs35l41_hda = { .bus_type = SMI_AUTO_DETECT, }; +static const struct smi_node cs35l56_hda = { + .instances = { + { "cs35l56-hda", IRQ_RESOURCE_AUTO, 0 }, + { "cs35l56-hda", IRQ_RESOURCE_AUTO, 0 }, + { "cs35l56-hda", IRQ_RESOURCE_AUTO, 0 }, + { "cs35l56-hda", IRQ_RESOURCE_AUTO, 0 }, + /* a 5th entry is an alias address, not a real device */ + { "cs35l56-hda_dummy_dev" }, + {} + }, + .bus_type = SMI_AUTO_DETECT, +}; + /* * Note new device-ids must also be added to ignore_serial_bus_ids in * drivers/acpi/scan.c: acpi_device_enumeration_by_parent(). @@ -337,6 +350,7 @@ static const struct acpi_device_id smi_acpi_ids[] = { { "BSG1160", (unsigned long)&bsg1160_data }, { "BSG2150", (unsigned long)&bsg2150_data }, { "CSC3551", (unsigned long)&cs35l41_hda }, + { "CSC3556", (unsigned long)&cs35l56_hda }, { "INT3515", (unsigned long)&int3515_data }, /* Non-conforming _HID for Cirrus Logic already released */ { "CLSA0100", (unsigned long)&cs35l41_hda }, diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index dfd5ec9f75c9..a0621665a6d2 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -778,9 +778,6 @@ static int da9063_check_xvp_constraints(struct regulator_config *config) const struct notification_limit *uv_l = &constr->under_voltage_limits; const struct notification_limit *ov_l = &constr->over_voltage_limits; - if (!config->init_data) /* No config in DT, pointers will be invalid */ - return 0; - /* make sure that only one severity is used to clarify if unchanged, enabled or disabled */ if ((!!uv_l->prot + !!uv_l->err + !!uv_l->warn) > 1) { dev_err(config->dev, "%s: at most one voltage monitoring severity allowed!\n", @@ -1031,9 +1028,12 @@ static int da9063_regulator_probe(struct platform_device *pdev) config.of_node = da9063_reg_matches[id].of_node; config.regmap = da9063->regmap; - ret = da9063_check_xvp_constraints(&config); - if (ret) - return ret; + /* Checking constraints requires init_data from DT. */ + if (config.init_data) { + ret = da9063_check_xvp_constraints(&config); + if (ret) + return ret; + } regl->rdev = devm_regulator_register(&pdev->dev, ®l->desc, &config); diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index f3b280af0773..cd077b7c4aff 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -1068,7 +1068,7 @@ static const struct rpmh_vreg_init_data pm8550_vreg_data[] = { RPMH_VREG("ldo9", "ldo%s9", &pmic5_pldo, "vdd-l8-l9"), RPMH_VREG("ldo10", "ldo%s10", &pmic5_nldo515, "vdd-l1-l4-l10"), RPMH_VREG("ldo11", "ldo%s11", &pmic5_nldo515, "vdd-l11"), - RPMH_VREG("ldo12", "ldo%s12", &pmic5_pldo, "vdd-l12"), + RPMH_VREG("ldo12", "ldo%s12", &pmic5_nldo515, "vdd-l12"), RPMH_VREG("ldo13", "ldo%s13", &pmic5_pldo, "vdd-l2-l13-l14"), RPMH_VREG("ldo14", "ldo%s14", &pmic5_pldo, "vdd-l2-l13-l14"), RPMH_VREG("ldo15", "ldo%s15", &pmic5_nldo515, "vdd-l15"), diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 50a5ff70814a..215597f73be4 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3636,11 +3636,8 @@ int dasd_generic_set_offline(struct ccw_device *cdev) * so sync bdev first and then wait for our queues to become * empty */ - if (device->block) { - rc = fsync_bdev(device->block->bdev); - if (rc != 0) - goto interrupted; - } + if (device->block) + bdev_mark_dead(device->block->bdev, false); dasd_schedule_device_bh(device); rc = wait_event_interruptible(shutdown_waitq, _wait_for_empty_queues(device)); diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index e1e4f9d10887..857be0f3ae5b 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -1598,7 +1598,7 @@ NCR_700_intr(int irq, void *dev_id) printk("scsi%d (%d:%d) PHASE MISMATCH IN SEND MESSAGE %d remain, return %p[%04x], phase %s\n", host->host_no, pun, lun, count, (void *)temp, temp - hostdata->pScript, sbcl_to_string(NCR_700_readb(host, SBCL_REG))); #endif resume_offset = hostdata->pScript + Ent_SendMessagePhaseMismatch; - } else if(dsp >= to32bit(&slot->pSG[0].ins) && + } else if (slot && dsp >= to32bit(&slot->pSG[0].ins) && dsp <= to32bit(&slot->pSG[NCR_700_SG_SEGMENTS].ins)) { int data_transfer = NCR_700_readl(host, DBC_REG) & 0xffffff; int SGcount = (dsp - to32bit(&slot->pSG[0].ins))/sizeof(struct NCR_700_SG_List); diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index d82de34f6fd7..e51e92f932fa 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -27,7 +27,7 @@ #define DRV_NAME "fnic" #define DRV_DESCRIPTION "Cisco FCoE HBA Driver" -#define DRV_VERSION "1.6.0.54" +#define DRV_VERSION "1.6.0.55" #define PFX DRV_NAME ": " #define DFX DRV_NAME "%d: " diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 26dbd347156e..be89ce96df46 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -2139,7 +2139,7 @@ static int fnic_clean_pending_aborts(struct fnic *fnic, bool new_sc) { - int ret = SUCCESS; + int ret = 0; struct fnic_pending_aborts_iter_data iter_data = { .fnic = fnic, .lun_dev = lr_sc->device, @@ -2159,9 +2159,11 @@ static int fnic_clean_pending_aborts(struct fnic *fnic, /* walk again to check, if IOs are still pending in fw */ if (fnic_is_abts_pending(fnic, lr_sc)) - ret = FAILED; + ret = 1; clean_pending_aborts_end: + FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, + "%s: exit status: %d\n", __func__, ret); return ret; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index a62e091894f6..d26941b131fd 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -109,8 +109,6 @@ lpfc_sli4_set_rsp_sgl_last(struct lpfc_hba *phba, } } -#define LPFC_INVALID_REFTAG ((u32)-1) - /** * lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread * @phba: The Hba for which this call is being executed. @@ -978,8 +976,6 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, sgpe = scsi_prot_sglist(sc); lba = scsi_prot_ref_tag(sc); - if (lba == LPFC_INVALID_REFTAG) - return 0; /* First check if we need to match the LBA */ if (phba->lpfc_injerr_lba != LPFC_INJERR_LBA_OFF) { @@ -1560,8 +1556,6 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command for pde*/ reftag = scsi_prot_ref_tag(sc); - if (reftag == LPFC_INVALID_REFTAG) - goto out; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); @@ -1723,8 +1717,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command */ blksize = scsi_prot_interval(sc); reftag = scsi_prot_ref_tag(sc); - if (reftag == LPFC_INVALID_REFTAG) - goto out; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); @@ -1953,8 +1945,6 @@ lpfc_bg_setup_sgl(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command for pde*/ reftag = scsi_prot_ref_tag(sc); - if (reftag == LPFC_INVALID_REFTAG) - goto out; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); @@ -2154,8 +2144,6 @@ lpfc_bg_setup_sgl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command */ blksize = scsi_prot_interval(sc); reftag = scsi_prot_ref_tag(sc); - if (reftag == LPFC_INVALID_REFTAG) - goto out; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); @@ -2746,8 +2734,6 @@ lpfc_calc_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd) src = (struct scsi_dif_tuple *)sg_virt(sgpe); start_ref_tag = scsi_prot_ref_tag(cmd); - if (start_ref_tag == LPFC_INVALID_REFTAG) - goto out; start_app_tag = src->app_tag; len = sgpe->length; while (src && protsegcnt) { @@ -3493,11 +3479,11 @@ err: scsi_cmnd->sc_data_direction); lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, - "9084 Cannot setup S/G List for HBA" - "IO segs %d/%d SGL %d SCSI %d: %d %d\n", + "9084 Cannot setup S/G List for HBA " + "IO segs %d/%d SGL %d SCSI %d: %d %d %d\n", lpfc_cmd->seg_cnt, lpfc_cmd->prot_seg_cnt, phba->cfg_total_seg_cnt, phba->cfg_sg_seg_cnt, - prot_group_type, num_sge); + prot_group_type, num_sge, ret); lpfc_cmd->seg_cnt = 0; lpfc_cmd->prot_seg_cnt = 0; diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 2a31ddc99dde..7825765c936c 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -31,6 +31,7 @@ static void qedf_remove(struct pci_dev *pdev); static void qedf_shutdown(struct pci_dev *pdev); static void qedf_schedule_recovery_handler(void *dev); static void qedf_recovery_handler(struct work_struct *work); +static int qedf_suspend(struct pci_dev *pdev, pm_message_t state); /* * Driver module parameters. @@ -3271,6 +3272,7 @@ static struct pci_driver qedf_pci_driver = { .probe = qedf_probe, .remove = qedf_remove, .shutdown = qedf_shutdown, + .suspend = qedf_suspend, }; static int __qedf_probe(struct pci_dev *pdev, int mode) @@ -4000,6 +4002,22 @@ static void qedf_shutdown(struct pci_dev *pdev) __qedf_remove(pdev, QEDF_MODE_NORMAL); } +static int qedf_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct qedf_ctx *qedf; + + if (!pdev) { + QEDF_ERR(NULL, "pdev is NULL.\n"); + return -ENODEV; + } + + qedf = pci_get_drvdata(pdev); + + QEDF_ERR(&qedf->dbg_ctx, "%s: Device does not support suspend operation\n", __func__); + + return -EPERM; +} + /* * Recovery handler code */ diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 450522b204d6..cd0180b1f5b9 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -69,6 +69,7 @@ static struct nvm_iscsi_block *qedi_get_nvram_block(struct qedi_ctx *qedi); static void qedi_recovery_handler(struct work_struct *work); static void qedi_schedule_hw_err_handler(void *dev, enum qed_hw_err_type err_type); +static int qedi_suspend(struct pci_dev *pdev, pm_message_t state); static int qedi_iscsi_event_cb(void *context, u8 fw_event_code, void *fw_handle) { @@ -1976,8 +1977,9 @@ static int qedi_cpu_offline(unsigned int cpu) struct qedi_percpu_s *p = this_cpu_ptr(&qedi_percpu); struct qedi_work *work, *tmp; struct task_struct *thread; + unsigned long flags; - spin_lock_bh(&p->p_work_lock); + spin_lock_irqsave(&p->p_work_lock, flags); thread = p->iothread; p->iothread = NULL; @@ -1988,7 +1990,7 @@ static int qedi_cpu_offline(unsigned int cpu) kfree(work); } - spin_unlock_bh(&p->p_work_lock); + spin_unlock_irqrestore(&p->p_work_lock, flags); if (thread) kthread_stop(thread); return 0; @@ -2510,6 +2512,22 @@ static void qedi_shutdown(struct pci_dev *pdev) __qedi_remove(pdev, QEDI_MODE_SHUTDOWN); } +static int qedi_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct qedi_ctx *qedi; + + if (!pdev) { + QEDI_ERR(NULL, "pdev is NULL.\n"); + return -ENODEV; + } + + qedi = pci_get_drvdata(pdev); + + QEDI_ERR(&qedi->dbg_ctx, "%s: Device does not support suspend operation\n", __func__); + + return -EPERM; +} + static int __qedi_probe(struct pci_dev *pdev, int mode) { struct qedi_ctx *qedi; @@ -2868,6 +2886,7 @@ static struct pci_driver qedi_pci_driver = { .remove = qedi_remove, .shutdown = qedi_shutdown, .err_handler = &qedi_err_handler, + .suspend = qedi_suspend, }; static int __init qedi_init(void) diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c index 898a0bdf8df6..95a86e0dfd77 100644 --- a/drivers/scsi/raid_class.c +++ b/drivers/scsi/raid_class.c @@ -209,53 +209,6 @@ raid_attr_ro_state(level); raid_attr_ro_fn(resync); raid_attr_ro_state_fn(state); -static void raid_component_release(struct device *dev) -{ - struct raid_component *rc = - container_of(dev, struct raid_component, dev); - dev_printk(KERN_ERR, rc->dev.parent, "COMPONENT RELEASE\n"); - put_device(rc->dev.parent); - kfree(rc); -} - -int raid_component_add(struct raid_template *r,struct device *raid_dev, - struct device *component_dev) -{ - struct device *cdev = - attribute_container_find_class_device(&r->raid_attrs.ac, - raid_dev); - struct raid_component *rc; - struct raid_data *rd = dev_get_drvdata(cdev); - int err; - - rc = kzalloc(sizeof(*rc), GFP_KERNEL); - if (!rc) - return -ENOMEM; - - INIT_LIST_HEAD(&rc->node); - device_initialize(&rc->dev); - rc->dev.release = raid_component_release; - rc->dev.parent = get_device(component_dev); - rc->num = rd->component_count++; - - dev_set_name(&rc->dev, "component-%d", rc->num); - list_add_tail(&rc->node, &rd->component_list); - rc->dev.class = &raid_class.class; - err = device_add(&rc->dev); - if (err) - goto err_out; - - return 0; - -err_out: - list_del(&rc->node); - rd->component_count--; - put_device(component_dev); - kfree(rc); - return err; -} -EXPORT_SYMBOL(raid_component_add); - struct raid_template * raid_class_attach(struct raid_function_template *ft) { diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index 4a6eb1741be0..41f23cd0bfb4 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -406,7 +406,7 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, size_t length, loff_t *ppos) { int host, channel, id, lun; - char *buffer, *p; + char *buffer, *end, *p; int err; if (!buf || length > PAGE_SIZE) @@ -421,10 +421,14 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, goto out; err = -EINVAL; - if (length < PAGE_SIZE) - buffer[length] = '\0'; - else if (buffer[PAGE_SIZE-1]) - goto out; + if (length < PAGE_SIZE) { + end = buffer + length; + *end = '\0'; + } else { + end = buffer + PAGE_SIZE - 1; + if (*end) + goto out; + } /* * Usage: echo "scsi add-single-device 0 1 2 3" >/proc/scsi/scsi @@ -433,10 +437,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, if (!strncmp("scsi add-single-device", buffer, 22)) { p = buffer + 23; - host = simple_strtoul(p, &p, 0); - channel = simple_strtoul(p + 1, &p, 0); - id = simple_strtoul(p + 1, &p, 0); - lun = simple_strtoul(p + 1, &p, 0); + host = (p < end) ? simple_strtoul(p, &p, 0) : 0; + channel = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + id = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + lun = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; err = scsi_add_single_device(host, channel, id, lun); @@ -447,10 +451,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, } else if (!strncmp("scsi remove-single-device", buffer, 25)) { p = buffer + 26; - host = simple_strtoul(p, &p, 0); - channel = simple_strtoul(p + 1, &p, 0); - id = simple_strtoul(p + 1, &p, 0); - lun = simple_strtoul(p + 1, &p, 0); + host = (p < end) ? simple_strtoul(p, &p, 0) : 0; + channel = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + id = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + lun = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; err = scsi_remove_single_device(host, channel, id, lun); } diff --git a/drivers/scsi/snic/snic_disc.c b/drivers/scsi/snic/snic_disc.c index 3e2e5783924d..4db3ba62fcd3 100644 --- a/drivers/scsi/snic/snic_disc.c +++ b/drivers/scsi/snic/snic_disc.c @@ -307,7 +307,7 @@ snic_tgt_create(struct snic *snic, struct snic_tgt_id *tgtid) spin_lock_irqsave(snic->shost->host_lock, flags); list_del(&tgt->list); spin_unlock_irqrestore(snic->shost->host_lock, flags); - kfree(tgt); + put_device(&tgt->dev); tgt = NULL; return tgt; diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index f2823218670a..047ffaf7d42a 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1674,10 +1674,6 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) */ static enum scsi_timeout_action storvsc_eh_timed_out(struct scsi_cmnd *scmnd) { -#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS) - if (scmnd->device->host->transportt == fc_transport_template) - return fc_eh_timed_out(scmnd); -#endif return SCSI_EH_RESET_TIMER; } diff --git a/drivers/soc/aspeed/aspeed-socinfo.c b/drivers/soc/aspeed/aspeed-socinfo.c index 1ca140356a08..3f759121dc00 100644 --- a/drivers/soc/aspeed/aspeed-socinfo.c +++ b/drivers/soc/aspeed/aspeed-socinfo.c @@ -137,6 +137,7 @@ static int __init aspeed_socinfo_init(void) soc_dev = soc_device_register(attrs); if (IS_ERR(soc_dev)) { + kfree(attrs->machine); kfree(attrs->soc_id); kfree(attrs->serial_number); kfree(attrs); diff --git a/drivers/soc/aspeed/aspeed-uart-routing.c b/drivers/soc/aspeed/aspeed-uart-routing.c index ef8b24fd1851..59123e1f27ac 100644 --- a/drivers/soc/aspeed/aspeed-uart-routing.c +++ b/drivers/soc/aspeed/aspeed-uart-routing.c @@ -524,7 +524,7 @@ static ssize_t aspeed_uart_routing_store(struct device *dev, struct aspeed_uart_routing_selector *sel = to_routing_selector(attr); int val; - val = match_string(sel->options, -1, buf); + val = __sysfs_match_string(sel->options, -1, buf); if (val < 0) { dev_err(dev, "invalid value \"%s\"\n", buf); return -EINVAL; diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index de8fe3c5becb..9b021390263e 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -317,12 +317,6 @@ static void cdns_spi_process_fifo(struct cdns_spi *xspi, int ntx, int nrx) xspi->rx_bytes -= nrx; while (ntx || nrx) { - /* When xspi in busy condition, bytes may send failed, - * then spi control did't work thoroughly, add one byte delay - */ - if (cdns_spi_read(xspi, CDNS_SPI_ISR) & CDNS_SPI_IXR_TXFULL) - udelay(10); - if (ntx) { if (xspi->txbuf) cdns_spi_write(xspi, CDNS_SPI_TXD, *xspi->txbuf++); @@ -392,6 +386,11 @@ static irqreturn_t cdns_spi_irq(int irq, void *dev_id) if (xspi->tx_bytes) { cdns_spi_process_fifo(xspi, trans_cnt, trans_cnt); } else { + /* Fixed delay due to controller limitation with + * RX_NEMPTY incorrect status + * Xilinx AR:65885 contains more details + */ + udelay(10); cdns_spi_process_fifo(xspi, 0, trans_cnt); cdns_spi_write(xspi, CDNS_SPI_IDR, CDNS_SPI_IXR_DEFAULT); @@ -439,12 +438,18 @@ static int cdns_transfer_one(struct spi_controller *ctlr, cdns_spi_setup_transfer(spi, transfer); } else { /* Set TX empty threshold to half of FIFO depth - * only if TX bytes are more than half FIFO depth. + * only if TX bytes are more than FIFO depth. */ if (xspi->tx_bytes > xspi->tx_fifo_depth) cdns_spi_write(xspi, CDNS_SPI_THLD, xspi->tx_fifo_depth >> 1); } + /* When xspi in busy condition, bytes may send failed, + * then spi control didn't work thoroughly, add one byte delay + */ + if (cdns_spi_read(xspi, CDNS_SPI_ISR) & CDNS_SPI_IXR_TXFULL) + udelay(10); + cdns_spi_process_fifo(xspi, xspi->tx_fifo_depth, 0); spi_transfer_delay_exec(transfer); diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 6d10fa4ab783..7ddf9db776b0 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1001,9 +1001,9 @@ static int stm32_spi_prepare_msg(struct spi_controller *ctrl, if (spi->cfg->set_number_of_data) { int ret; - ret = spi_split_transfers_maxsize(ctrl, msg, - STM32H7_SPI_TSIZE_MAX, - GFP_KERNEL | GFP_DMA); + ret = spi_split_transfers_maxwords(ctrl, msg, + STM32H7_SPI_TSIZE_MAX, + GFP_KERNEL | GFP_DMA); if (ret) return ret; } diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 62b26b7998fd..3fb4553a6442 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -1964,6 +1964,8 @@ unlock: pm_runtime_mark_last_busy(&tb->dev); pm_runtime_put_autosuspend(&tb->dev); + + kfree(ev); } static void tb_queue_dp_bandwidth_request(struct tb *tb, u64 route, u8 port) diff --git a/drivers/thunderbolt/tmu.c b/drivers/thunderbolt/tmu.c index 1269f417515b..0dfd1e083994 100644 --- a/drivers/thunderbolt/tmu.c +++ b/drivers/thunderbolt/tmu.c @@ -579,7 +579,9 @@ int tb_switch_tmu_disable(struct tb_switch *sw) * uni-directional mode and we don't want to change it's TMU * mode. */ - tb_switch_tmu_rate_write(sw, tmu_rates[TB_SWITCH_TMU_MODE_OFF]); + ret = tb_switch_tmu_rate_write(sw, tmu_rates[TB_SWITCH_TMU_MODE_OFF]); + if (ret) + return ret; tb_port_tmu_time_sync_disable(up); ret = tb_port_tmu_time_sync_disable(down); diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig index 341abaed4ce2..069de553127c 100644 --- a/drivers/tty/Kconfig +++ b/drivers/tty/Kconfig @@ -164,6 +164,9 @@ config LEGACY_TIOCSTI userspace depends on this functionality to continue operating normally. + Processes which run with CAP_SYS_ADMIN, such as BRLTTY, can + use TIOCSTI even when this is set to N. + This functionality can be changed at runtime with the dev.tty.legacy_tiocsti sysctl. This configuration option sets the default value of the sysctl. diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 1cdefac4dd1b..739f522cb893 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -3042,12 +3042,13 @@ static void gsm_error(struct gsm_mux *gsm) static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc) { int i; - struct gsm_dlci *dlci = gsm->dlci[0]; + struct gsm_dlci *dlci; struct gsm_msg *txq, *ntxq; gsm->dead = true; mutex_lock(&gsm->mutex); + dlci = gsm->dlci[0]; if (dlci) { if (disc && dlci->state != DLCI_CLOSED) { gsm_dlci_begin_close(dlci); diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 914e0e6251bf..3449f8790e46 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -497,6 +497,7 @@ static struct uart_8250_port *serial8250_setup_port(int index) up = &serial8250_ports[index]; up->port.line = index; + up->port.port_id = index; serial8250_init_port(up); if (!base_ops) @@ -1040,6 +1041,7 @@ int serial8250_register_8250_port(const struct uart_8250_port *up) uart_remove_one_port(&serial8250_reg, &uart->port); uart->port.ctrl_id = up->port.ctrl_id; + uart->port.port_id = up->port.port_id; uart->port.iobase = up->port.iobase; uart->port.membase = up->port.membase; uart->port.irq = up->port.irq; @@ -1202,6 +1204,7 @@ void serial8250_unregister_port(int line) uart->port.flags &= ~UPF_BOOT_AUTOCONF; uart->port.type = PORT_UNKNOWN; uart->port.dev = &serial8250_isa_devs->dev; + uart->port.port_id = line; uart->capabilities = 0; serial8250_init_port(uart); serial8250_apply_quirks(uart); diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 16aeb1420137..483bb552cdc4 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -703,9 +703,6 @@ static void serial8250_set_sleep(struct uart_8250_port *p, int sleep) static void serial8250_clear_IER(struct uart_8250_port *up) { - /* Port locked to synchronize UART_IER access against the console. */ - lockdep_assert_held_once(&up->port.lock); - if (up->capabilities & UART_CAP_UUE) serial_out(up, UART_IER, UART_IER_UUE); else @@ -3278,6 +3275,7 @@ void serial8250_init_port(struct uart_8250_port *up) spin_lock_init(&port->lock); port->ctrl_id = 0; + port->pm = NULL; port->ops = &serial8250_pops; port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE); diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 4d80fae20177..c569a08b5b19 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1139,8 +1139,8 @@ static void lpuart_copy_rx_to_tty(struct lpuart_port *sport) unsigned long sr = lpuart32_read(&sport->port, UARTSTAT); if (sr & (UARTSTAT_PE | UARTSTAT_FE)) { - /* Read DR to clear the error flags */ - lpuart32_read(&sport->port, UARTDATA); + /* Clear the error flags */ + lpuart32_write(&sport->port, sr, UARTSTAT); if (sr & UARTSTAT_PE) sport->port.icount.parity++; diff --git a/drivers/tty/serial/serial_base.h b/drivers/tty/serial/serial_base.h index 9faac0ff6b89..c74c548f0db6 100644 --- a/drivers/tty/serial/serial_base.h +++ b/drivers/tty/serial/serial_base.h @@ -16,6 +16,7 @@ struct device; struct serial_ctrl_device { struct device dev; + struct ida port_ida; }; struct serial_port_device { diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c index 6ff59c89d867..3dfcf20c4eb6 100644 --- a/drivers/tty/serial/serial_base_bus.c +++ b/drivers/tty/serial/serial_base_bus.c @@ -10,6 +10,7 @@ #include <linux/container_of.h> #include <linux/device.h> +#include <linux/idr.h> #include <linux/module.h> #include <linux/serial_core.h> #include <linux/slab.h> @@ -19,11 +20,25 @@ static bool serial_base_initialized; +static const struct device_type serial_ctrl_type = { + .name = "ctrl", +}; + +static const struct device_type serial_port_type = { + .name = "port", +}; + static int serial_base_match(struct device *dev, struct device_driver *drv) { - int len = strlen(drv->name); + if (dev->type == &serial_ctrl_type && + str_has_prefix(drv->name, serial_ctrl_type.name)) + return 1; - return !strncmp(dev_name(dev), drv->name, len); + if (dev->type == &serial_port_type && + str_has_prefix(drv->name, serial_port_type.name)) + return 1; + + return 0; } static struct bus_type serial_base_bus_type = { @@ -48,7 +63,8 @@ static int serial_base_device_init(struct uart_port *port, struct device *parent_dev, const struct device_type *type, void (*release)(struct device *dev), - int id) + unsigned int ctrl_id, + unsigned int port_id) { device_initialize(dev); dev->type = type; @@ -61,12 +77,15 @@ static int serial_base_device_init(struct uart_port *port, return -EPROBE_DEFER; } - return dev_set_name(dev, "%s.%s.%d", type->name, dev_name(port->dev), id); -} + if (type == &serial_ctrl_type) + return dev_set_name(dev, "%s:%d", dev_name(port->dev), ctrl_id); -static const struct device_type serial_ctrl_type = { - .name = "ctrl", -}; + if (type == &serial_port_type) + return dev_set_name(dev, "%s:%d.%d", dev_name(port->dev), + ctrl_id, port_id); + + return -EINVAL; +} static void serial_base_ctrl_release(struct device *dev) { @@ -81,6 +100,7 @@ void serial_base_ctrl_device_remove(struct serial_ctrl_device *ctrl_dev) return; device_del(&ctrl_dev->dev); + put_device(&ctrl_dev->dev); } struct serial_ctrl_device *serial_base_ctrl_add(struct uart_port *port, @@ -93,10 +113,12 @@ struct serial_ctrl_device *serial_base_ctrl_add(struct uart_port *port, if (!ctrl_dev) return ERR_PTR(-ENOMEM); + ida_init(&ctrl_dev->port_ida); + err = serial_base_device_init(port, &ctrl_dev->dev, parent, &serial_ctrl_type, serial_base_ctrl_release, - port->ctrl_id); + port->ctrl_id, 0); if (err) goto err_put_device; @@ -112,10 +134,6 @@ err_put_device: return ERR_PTR(err); } -static const struct device_type serial_port_type = { - .name = "port", -}; - static void serial_base_port_release(struct device *dev) { struct serial_port_device *port_dev = to_serial_base_port_device(dev); @@ -127,16 +145,31 @@ struct serial_port_device *serial_base_port_add(struct uart_port *port, struct serial_ctrl_device *ctrl_dev) { struct serial_port_device *port_dev; + int min = 0, max = -1; /* Use -1 for max to apply IDA defaults */ int err; port_dev = kzalloc(sizeof(*port_dev), GFP_KERNEL); if (!port_dev) return ERR_PTR(-ENOMEM); + /* Device driver specified port_id vs automatic assignment? */ + if (port->port_id) { + min = port->port_id; + max = port->port_id; + } + + err = ida_alloc_range(&ctrl_dev->port_ida, min, max, GFP_KERNEL); + if (err < 0) { + kfree(port_dev); + return ERR_PTR(err); + } + + port->port_id = err; + err = serial_base_device_init(port, &port_dev->dev, &ctrl_dev->dev, &serial_port_type, serial_base_port_release, - port->line); + port->ctrl_id, port->port_id); if (err) goto err_put_device; @@ -150,16 +183,25 @@ struct serial_port_device *serial_base_port_add(struct uart_port *port, err_put_device: put_device(&port_dev->dev); + ida_free(&ctrl_dev->port_ida, port->port_id); return ERR_PTR(err); } void serial_base_port_device_remove(struct serial_port_device *port_dev) { + struct serial_ctrl_device *ctrl_dev; + struct device *parent; + if (!port_dev) return; + parent = port_dev->dev.parent; + ctrl_dev = to_serial_base_ctrl_device(parent); + device_del(&port_dev->dev); + ida_free(&ctrl_dev->port_ida, port_dev->port->port_id); + put_device(&port_dev->dev); } static int serial_base_init(void) diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 6fb0e007af63..386674ead7f0 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -580,7 +580,6 @@ static bool ufshcd_mcq_sqe_search(struct ufs_hba *hba, { struct ufshcd_lrb *lrbp = &hba->lrb[task_tag]; struct utp_transfer_req_desc *utrd; - u32 mask = hwq->max_entries - 1; __le64 cmd_desc_base_addr; bool ret = false; u64 addr, match; @@ -608,7 +607,10 @@ static bool ufshcd_mcq_sqe_search(struct ufs_hba *hba, ret = true; goto out; } - sq_head_slot = (sq_head_slot + 1) & mask; + + sq_head_slot++; + if (sq_head_slot == hwq->max_entries) + sq_head_slot = 0; } out: diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 8d6fd4c3324f..c1557d21b027 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -321,7 +321,7 @@ static void ufs_qcom_select_unipro_mode(struct ufs_qcom_host *host) ufs_qcom_cap_qunipro(host) ? QUNIPRO_SEL : 0, REG_UFS_CFG1); - if (host->hw_ver.major == 0x05) + if (host->hw_ver.major >= 0x05) ufshcd_rmwl(host->hba, QUNIPRO_G4_SEL, 0, REG_UFS_CFG0); /* make sure above configuration is applied before we return */ diff --git a/drivers/ufs/host/ufs-renesas.c b/drivers/ufs/host/ufs-renesas.c index f8a5e79ed3b4..ab0652d8705a 100644 --- a/drivers/ufs/host/ufs-renesas.c +++ b/drivers/ufs/host/ufs-renesas.c @@ -359,7 +359,7 @@ static int ufs_renesas_init(struct ufs_hba *hba) { struct ufs_renesas_priv *priv; - priv = devm_kmalloc(hba->dev, sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(hba->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; ufshcd_set_variant(hba, priv); diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c index 766005d20bae..501e8bc9738e 100644 --- a/drivers/usb/common/usb-conn-gpio.c +++ b/drivers/usb/common/usb-conn-gpio.c @@ -42,6 +42,7 @@ struct usb_conn_info { struct power_supply_desc desc; struct power_supply *charger; + bool initial_detection; }; /* @@ -86,11 +87,13 @@ static void usb_conn_detect_cable(struct work_struct *work) dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n", usb_role_string(info->last_role), usb_role_string(role), id, vbus); - if (info->last_role == role) { + if (!info->initial_detection && info->last_role == role) { dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role)); return; } + info->initial_detection = false; + if (info->last_role == USB_ROLE_HOST && info->vbus) regulator_disable(info->vbus); @@ -258,6 +261,7 @@ static int usb_conn_probe(struct platform_device *pdev) device_set_wakeup_capable(&pdev->dev, true); /* Perform initial detection */ + info->initial_detection = true; usb_conn_queue_dwork(info, 0); return 0; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 1a16a8bdea60..4f68f6ef3cc1 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -2642,21 +2642,21 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, snoop(&dev->dev, "%s: CONTROL\n", __func__); ret = proc_control(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_BULK: snoop(&dev->dev, "%s: BULK\n", __func__); ret = proc_bulk(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_RESETEP: snoop(&dev->dev, "%s: RESETEP\n", __func__); ret = proc_resetep(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_RESET: @@ -2668,7 +2668,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, snoop(&dev->dev, "%s: CLEAR_HALT\n", __func__); ret = proc_clearhalt(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_GETDRIVER: @@ -2695,7 +2695,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, snoop(&dev->dev, "%s: SUBMITURB\n", __func__); ret = proc_submiturb(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; #ifdef CONFIG_COMPAT @@ -2703,14 +2703,14 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, snoop(&dev->dev, "%s: CONTROL32\n", __func__); ret = proc_control_compat(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_BULK32: snoop(&dev->dev, "%s: BULK32\n", __func__); ret = proc_bulk_compat(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_DISCSIGNAL32: @@ -2722,7 +2722,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, snoop(&dev->dev, "%s: SUBMITURB32\n", __func__); ret = proc_submiturb_compat(ps, p); if (ret >= 0) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); break; case USBDEVFS_IOCTL32: diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 5fd067151fbf..858fe4c299b7 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -4455,9 +4455,14 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt) u32 count; if (pm_runtime_suspended(dwc->dev)) { + dwc->pending_events = true; + /* + * Trigger runtime resume. The get() function will be balanced + * after processing the pending events in dwc3_process_pending + * events(). + */ pm_runtime_get(dwc->dev); disable_irq_nosync(dwc->irq_gadget); - dwc->pending_events = true; return IRQ_HANDLED; } @@ -4718,6 +4723,8 @@ void dwc3_gadget_process_pending_events(struct dwc3 *dwc) { if (dwc->pending_events) { dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf); + dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf); + pm_runtime_put(dwc->dev); dwc->pending_events = false; enable_irq(dwc->irq_gadget); } diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index f41a385a5c42..6e9ef35a43a7 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1377,7 +1377,7 @@ ffs_sb_make_inode(struct super_block *sb, void *data, inode = new_inode(sb); if (inode) { - struct timespec64 ts = current_time(inode); + struct timespec64 ts = inode_set_ctime_current(inode); inode->i_ino = get_next_ino(); inode->i_mode = perms->mode; @@ -1385,7 +1385,6 @@ ffs_sb_make_inode(struct super_block *sb, void *data, inode->i_gid = perms->gid; inode->i_atime = ts; inode->i_mtime = ts; - inode->i_ctime = ts; inode->i_private = data; if (fops) inode->i_fop = fops; diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 28249d0bf062..ce9e31f3d26b 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1969,8 +1969,7 @@ gadgetfs_make_inode (struct super_block *sb, inode->i_mode = mode; inode->i_uid = make_kuid(&init_user_ns, default_uid); inode->i_gid = make_kgid(&init_user_ns, default_gid); - inode->i_atime = inode->i_mtime = inode->i_ctime - = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_private = data; inode->i_fop = fops; } diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index cd58f2a4e7f3..7d49d8a0b00c 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -822,6 +822,9 @@ EXPORT_SYMBOL_GPL(usb_gadget_disconnect); * usb_gadget_activate() is called. For example, user mode components may * need to be activated before the system can talk to hosts. * + * This routine may sleep; it must not be called in interrupt context + * (such as from within a gadget driver's disconnect() callback). + * * Returns zero on success, else negative errno. */ int usb_gadget_deactivate(struct usb_gadget *gadget) @@ -860,6 +863,8 @@ EXPORT_SYMBOL_GPL(usb_gadget_deactivate); * This routine activates gadget which was previously deactivated with * usb_gadget_deactivate() call. It calls usb_gadget_connect() if needed. * + * This routine may sleep; it must not be called in interrupt context. + * * Returns zero on success, else negative errno. */ int usb_gadget_activate(struct usb_gadget *gadget) @@ -1638,7 +1643,11 @@ static void gadget_unbind_driver(struct device *dev) usb_gadget_disable_async_callbacks(udc); if (gadget->irq) synchronize_irq(gadget->irq); + mutex_unlock(&udc->connect_lock); + udc->driver->unbind(gadget); + + mutex_lock(&udc->connect_lock); usb_gadget_udc_stop_locked(udc); mutex_unlock(&udc->connect_lock); diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index 5e912dd29b4c..115f05a6201a 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -318,7 +318,8 @@ static int alauda_get_media_status(struct us_data *us, unsigned char *data) rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe, command, 0xc0, 0, 1, data, 2); - usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]); + if (rc == USB_STOR_XFER_GOOD) + usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]); return rc; } @@ -454,9 +455,14 @@ static int alauda_init_media(struct us_data *us) static int alauda_check_media(struct us_data *us) { struct alauda_info *info = (struct alauda_info *) us->extra; - unsigned char status[2]; + unsigned char *status = us->iobuf; + int rc; - alauda_get_media_status(us, status); + rc = alauda_get_media_status(us, status); + if (rc != USB_STOR_XFER_GOOD) { + status[0] = 0xF0; /* Pretend there's no media */ + status[1] = 0; + } /* Check for no media or door open */ if ((status[0] & 0x80) || ((status[0] & 0x1F) == 0x10) diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 66de880b28d0..cdf8261e22db 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -60,6 +60,7 @@ struct dp_altmode { enum dp_state state; bool hpd; + bool pending_hpd; struct mutex lock; /* device lock */ struct work_struct work; @@ -144,8 +145,13 @@ static int dp_altmode_status_update(struct dp_altmode *dp) dp->state = DP_STATE_EXIT; } else if (!(con & DP_CONF_CURRENTLY(dp->data.conf))) { ret = dp_altmode_configure(dp, con); - if (!ret) + if (!ret) { dp->state = DP_STATE_CONFIGURE; + if (dp->hpd != hpd) { + dp->hpd = hpd; + dp->pending_hpd = true; + } + } } else { if (dp->hpd != hpd) { drm_connector_oob_hotplug_event(dp->connector_fwnode); @@ -161,6 +167,16 @@ static int dp_altmode_configured(struct dp_altmode *dp) { sysfs_notify(&dp->alt->dev.kobj, "displayport", "configuration"); sysfs_notify(&dp->alt->dev.kobj, "displayport", "pin_assignment"); + /* + * If the DFP_D/UFP_D sends a change in HPD when first notifying the + * DisplayPort driver that it is connected, then we wait until + * configuration is complete to signal HPD. + */ + if (dp->pending_hpd) { + drm_connector_oob_hotplug_event(dp->connector_fwnode); + sysfs_notify(&dp->alt->dev.kobj, "displayport", "hpd"); + dp->pending_hpd = false; + } return dp_altmode_notify(dp); } diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig index 784b9d8107e9..65da61150ba7 100644 --- a/drivers/usb/typec/mux/Kconfig +++ b/drivers/usb/typec/mux/Kconfig @@ -29,6 +29,7 @@ config TYPEC_MUX_INTEL_PMC tristate "Intel PMC mux control" depends on ACPI depends on INTEL_SCU_IPC + select USB_COMMON select USB_ROLE_SWITCH help Driver for USB muxes controlled by Intel PMC FW. Intel PMC FW can diff --git a/drivers/usb/typec/mux/nb7vpq904m.c b/drivers/usb/typec/mux/nb7vpq904m.c index 80e580d50129..4d1122d95013 100644 --- a/drivers/usb/typec/mux/nb7vpq904m.c +++ b/drivers/usb/typec/mux/nb7vpq904m.c @@ -463,16 +463,18 @@ static int nb7vpq904m_probe(struct i2c_client *client) ret = nb7vpq904m_register_bridge(nb7); if (ret) - return ret; + goto err_disable_gpio; sw_desc.drvdata = nb7; sw_desc.fwnode = dev->fwnode; sw_desc.set = nb7vpq904m_sw_set; nb7->sw = typec_switch_register(dev, &sw_desc); - if (IS_ERR(nb7->sw)) - return dev_err_probe(dev, PTR_ERR(nb7->sw), - "Error registering typec switch\n"); + if (IS_ERR(nb7->sw)) { + ret = dev_err_probe(dev, PTR_ERR(nb7->sw), + "Error registering typec switch\n"); + goto err_disable_gpio; + } retimer_desc.drvdata = nb7; retimer_desc.fwnode = dev->fwnode; @@ -480,12 +482,21 @@ static int nb7vpq904m_probe(struct i2c_client *client) nb7->retimer = typec_retimer_register(dev, &retimer_desc); if (IS_ERR(nb7->retimer)) { - typec_switch_unregister(nb7->sw); - return dev_err_probe(dev, PTR_ERR(nb7->retimer), - "Error registering typec retimer\n"); + ret = dev_err_probe(dev, PTR_ERR(nb7->retimer), + "Error registering typec retimer\n"); + goto err_switch_unregister; } return 0; + +err_switch_unregister: + typec_switch_unregister(nb7->sw); + +err_disable_gpio: + gpiod_set_value(nb7->enable_gpio, 0); + regulator_disable(nb7->vcc_supply); + + return ret; } static void nb7vpq904m_remove(struct i2c_client *client) diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 829d75ebab42..cc1d83926497 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -5349,6 +5349,10 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port) /* Do nothing, vbus drop expected */ break; + case SNK_HARD_RESET_WAIT_VBUS: + /* Do nothing, its OK to receive vbus off events */ + break; + default: if (port->pwr_role == TYPEC_SINK && port->attached) tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port)); @@ -5395,6 +5399,9 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port) case SNK_DEBOUNCED: /*Do nothing, still waiting for VSAFE5V for connect */ break; + case SNK_HARD_RESET_WAIT_VBUS: + /* Do nothing, its OK to receive vbus off events */ + break; default: if (port->pwr_role == TYPEC_SINK && port->auto_vbus_discharge_enabled) tcpm_set_state(port, SNK_UNATTACHED, 0); diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa.h b/drivers/vdpa/mlx5/core/mlx5_vdpa.h index 25fc4120b618..b53420e874ac 100644 --- a/drivers/vdpa/mlx5/core/mlx5_vdpa.h +++ b/drivers/vdpa/mlx5/core/mlx5_vdpa.h @@ -31,6 +31,7 @@ struct mlx5_vdpa_mr { struct list_head head; unsigned long num_directs; unsigned long num_klms; + /* state of dvq mr */ bool initialized; /* serialize mkey creation and destruction */ @@ -121,6 +122,7 @@ int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *io int mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb, unsigned int asid); void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev); +void mlx5_vdpa_destroy_mr_asid(struct mlx5_vdpa_dev *mvdev, unsigned int asid); #define mlx5_vdpa_warn(__dev, format, ...) \ dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \ diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c index 03e543229791..5a1971fcd87b 100644 --- a/drivers/vdpa/mlx5/core/mr.c +++ b/drivers/vdpa/mlx5/core/mr.c @@ -489,60 +489,103 @@ static void destroy_user_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_mr *mr } } -void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev) +static void _mlx5_vdpa_destroy_cvq_mr(struct mlx5_vdpa_dev *mvdev, unsigned int asid) +{ + if (mvdev->group2asid[MLX5_VDPA_CVQ_GROUP] != asid) + return; + + prune_iotlb(mvdev); +} + +static void _mlx5_vdpa_destroy_dvq_mr(struct mlx5_vdpa_dev *mvdev, unsigned int asid) { struct mlx5_vdpa_mr *mr = &mvdev->mr; - mutex_lock(&mr->mkey_mtx); + if (mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP] != asid) + return; + if (!mr->initialized) - goto out; + return; - prune_iotlb(mvdev); if (mr->user_mr) destroy_user_mr(mvdev, mr); else destroy_dma_mr(mvdev, mr); mr->initialized = false; -out: +} + +void mlx5_vdpa_destroy_mr_asid(struct mlx5_vdpa_dev *mvdev, unsigned int asid) +{ + struct mlx5_vdpa_mr *mr = &mvdev->mr; + + mutex_lock(&mr->mkey_mtx); + + _mlx5_vdpa_destroy_dvq_mr(mvdev, asid); + _mlx5_vdpa_destroy_cvq_mr(mvdev, asid); + mutex_unlock(&mr->mkey_mtx); } -static int _mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, - struct vhost_iotlb *iotlb, unsigned int asid) +void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev) +{ + mlx5_vdpa_destroy_mr_asid(mvdev, mvdev->group2asid[MLX5_VDPA_CVQ_GROUP]); + mlx5_vdpa_destroy_mr_asid(mvdev, mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP]); +} + +static int _mlx5_vdpa_create_cvq_mr(struct mlx5_vdpa_dev *mvdev, + struct vhost_iotlb *iotlb, + unsigned int asid) +{ + if (mvdev->group2asid[MLX5_VDPA_CVQ_GROUP] != asid) + return 0; + + return dup_iotlb(mvdev, iotlb); +} + +static int _mlx5_vdpa_create_dvq_mr(struct mlx5_vdpa_dev *mvdev, + struct vhost_iotlb *iotlb, + unsigned int asid) { struct mlx5_vdpa_mr *mr = &mvdev->mr; int err; - if (mr->initialized) + if (mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP] != asid) return 0; - if (mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP] == asid) { - if (iotlb) - err = create_user_mr(mvdev, iotlb); - else - err = create_dma_mr(mvdev, mr); + if (mr->initialized) + return 0; - if (err) - return err; - } + if (iotlb) + err = create_user_mr(mvdev, iotlb); + else + err = create_dma_mr(mvdev, mr); - if (mvdev->group2asid[MLX5_VDPA_CVQ_GROUP] == asid) { - err = dup_iotlb(mvdev, iotlb); - if (err) - goto out_err; - } + if (err) + return err; mr->initialized = true; + + return 0; +} + +static int _mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, + struct vhost_iotlb *iotlb, unsigned int asid) +{ + int err; + + err = _mlx5_vdpa_create_dvq_mr(mvdev, iotlb, asid); + if (err) + return err; + + err = _mlx5_vdpa_create_cvq_mr(mvdev, iotlb, asid); + if (err) + goto out_err; + return 0; out_err: - if (mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP] == asid) { - if (iotlb) - destroy_user_mr(mvdev, mr); - else - destroy_dma_mr(mvdev, mr); - } + _mlx5_vdpa_destroy_dvq_mr(mvdev, asid); return err; } diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 9138ef2fb2c8..37be945a0230 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -2517,7 +2517,15 @@ static int mlx5_vdpa_set_driver_features(struct vdpa_device *vdev, u64 features) else ndev->rqt_size = 1; - ndev->cur_num_vqs = 2 * ndev->rqt_size; + /* Device must start with 1 queue pair, as per VIRTIO v1.2 spec, section + * 5.1.6.5.5 "Device operation in multiqueue mode": + * + * Multiqueue is disabled by default. + * The driver enables multiqueue by sending a command using class + * VIRTIO_NET_CTRL_MQ. The command selects the mode of multiqueue + * operation, as follows: ... + */ + ndev->cur_num_vqs = 2; update_cvq_info(mvdev); return err; @@ -2636,7 +2644,7 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev, goto err_mr; teardown_driver(ndev); - mlx5_vdpa_destroy_mr(mvdev); + mlx5_vdpa_destroy_mr_asid(mvdev, asid); err = mlx5_vdpa_create_mr(mvdev, iotlb, asid); if (err) goto err_mr; @@ -2652,7 +2660,7 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev, return 0; err_setup: - mlx5_vdpa_destroy_mr(mvdev); + mlx5_vdpa_destroy_mr_asid(mvdev, asid); err_mr: return err; } @@ -3548,17 +3556,6 @@ static void mlx5v_remove(struct auxiliary_device *adev) kfree(mgtdev); } -static void mlx5v_shutdown(struct auxiliary_device *auxdev) -{ - struct mlx5_vdpa_mgmtdev *mgtdev; - struct mlx5_vdpa_net *ndev; - - mgtdev = auxiliary_get_drvdata(auxdev); - ndev = mgtdev->ndev; - - free_irqs(ndev); -} - static const struct auxiliary_device_id mlx5v_id_table[] = { { .name = MLX5_ADEV_NAME ".vnet", }, {}, @@ -3570,7 +3567,6 @@ static struct auxiliary_driver mlx5v_driver = { .name = "vnet", .probe = mlx5v_probe, .remove = mlx5v_remove, - .shutdown = mlx5v_shutdown, .id_table = mlx5v_id_table, }; diff --git a/drivers/vdpa/pds/Makefile b/drivers/vdpa/pds/Makefile index 2e22418e3ab3..c2d314d4614d 100644 --- a/drivers/vdpa/pds/Makefile +++ b/drivers/vdpa/pds/Makefile @@ -5,6 +5,5 @@ obj-$(CONFIG_PDS_VDPA) := pds_vdpa.o pds_vdpa-y := aux_drv.o \ cmds.o \ + debugfs.o \ vdpa_dev.o - -pds_vdpa-$(CONFIG_DEBUG_FS) += debugfs.o diff --git a/drivers/vdpa/pds/debugfs.c b/drivers/vdpa/pds/debugfs.c index 21a0dc0cb607..9b04aad6ec35 100644 --- a/drivers/vdpa/pds/debugfs.c +++ b/drivers/vdpa/pds/debugfs.c @@ -176,6 +176,7 @@ static int identity_show(struct seq_file *seq, void *v) { struct pds_vdpa_aux *vdpa_aux = seq->private; struct vdpa_mgmt_dev *mgmt; + u64 hw_features; seq_printf(seq, "aux_dev: %s\n", dev_name(&vdpa_aux->padev->aux_dev.dev)); @@ -183,8 +184,9 @@ static int identity_show(struct seq_file *seq, void *v) mgmt = &vdpa_aux->vdpa_mdev; seq_printf(seq, "max_vqs: %d\n", mgmt->max_supported_vqs); seq_printf(seq, "config_attr_mask: %#llx\n", mgmt->config_attr_mask); - seq_printf(seq, "supported_features: %#llx\n", mgmt->supported_features); - print_feature_bits_all(seq, mgmt->supported_features); + hw_features = le64_to_cpu(vdpa_aux->ident.hw_features); + seq_printf(seq, "hw_features: %#llx\n", hw_features); + print_feature_bits_all(seq, hw_features); return 0; } @@ -200,7 +202,6 @@ static int config_show(struct seq_file *seq, void *v) { struct pds_vdpa_device *pdsv = seq->private; struct virtio_net_config vc; - u64 driver_features; u8 status; memcpy_fromio(&vc, pdsv->vdpa_aux->vd_mdev.device, @@ -223,12 +224,8 @@ static int config_show(struct seq_file *seq, void *v) status = vp_modern_get_status(&pdsv->vdpa_aux->vd_mdev); seq_printf(seq, "dev_status: %#x\n", status); print_status_bits(seq, status); - - seq_printf(seq, "req_features: %#llx\n", pdsv->req_features); - print_feature_bits_all(seq, pdsv->req_features); - driver_features = vp_modern_get_driver_features(&pdsv->vdpa_aux->vd_mdev); - seq_printf(seq, "driver_features: %#llx\n", driver_features); - print_feature_bits_all(seq, driver_features); + seq_printf(seq, "negotiated_features: %#llx\n", pdsv->negotiated_features); + print_feature_bits_all(seq, pdsv->negotiated_features); seq_printf(seq, "vdpa_index: %d\n", pdsv->vdpa_index); seq_printf(seq, "num_vqs: %d\n", pdsv->num_vqs); diff --git a/drivers/vdpa/pds/vdpa_dev.c b/drivers/vdpa/pds/vdpa_dev.c index 5071a4d58f8d..52b2449182ad 100644 --- a/drivers/vdpa/pds/vdpa_dev.c +++ b/drivers/vdpa/pds/vdpa_dev.c @@ -126,11 +126,9 @@ static void pds_vdpa_release_irq(struct pds_vdpa_device *pdsv, int qid) static void pds_vdpa_set_vq_ready(struct vdpa_device *vdpa_dev, u16 qid, bool ready) { struct pds_vdpa_device *pdsv = vdpa_to_pdsv(vdpa_dev); - struct pci_dev *pdev = pdsv->vdpa_aux->padev->vf_pdev; struct device *dev = &pdsv->vdpa_dev.dev; u64 driver_features; u16 invert_idx = 0; - int irq; int err; dev_dbg(dev, "%s: qid %d ready %d => %d\n", @@ -143,19 +141,6 @@ static void pds_vdpa_set_vq_ready(struct vdpa_device *vdpa_dev, u16 qid, bool re invert_idx = PDS_VDPA_PACKED_INVERT_IDX; if (ready) { - irq = pci_irq_vector(pdev, qid); - snprintf(pdsv->vqs[qid].irq_name, sizeof(pdsv->vqs[qid].irq_name), - "vdpa-%s-%d", dev_name(dev), qid); - - err = request_irq(irq, pds_vdpa_isr, 0, - pdsv->vqs[qid].irq_name, &pdsv->vqs[qid]); - if (err) { - dev_err(dev, "%s: no irq for qid %d: %pe\n", - __func__, qid, ERR_PTR(err)); - return; - } - pdsv->vqs[qid].irq = irq; - /* Pass vq setup info to DSC using adminq to gather up and * send all info at once so FW can do its full set up in * one easy operation @@ -164,7 +149,6 @@ static void pds_vdpa_set_vq_ready(struct vdpa_device *vdpa_dev, u16 qid, bool re if (err) { dev_err(dev, "Failed to init vq %d: %pe\n", qid, ERR_PTR(err)); - pds_vdpa_release_irq(pdsv, qid); ready = false; } } else { @@ -172,7 +156,6 @@ static void pds_vdpa_set_vq_ready(struct vdpa_device *vdpa_dev, u16 qid, bool re if (err) dev_err(dev, "%s: reset_vq failed qid %d: %pe\n", __func__, qid, ERR_PTR(err)); - pds_vdpa_release_irq(pdsv, qid); } pdsv->vqs[qid].ready = ready; @@ -318,6 +301,7 @@ static int pds_vdpa_set_driver_features(struct vdpa_device *vdpa_dev, u64 featur struct device *dev = &pdsv->vdpa_dev.dev; u64 driver_features; u64 nego_features; + u64 hw_features; u64 missing; if (!(features & BIT_ULL(VIRTIO_F_ACCESS_PLATFORM)) && features) { @@ -325,21 +309,26 @@ static int pds_vdpa_set_driver_features(struct vdpa_device *vdpa_dev, u64 featur return -EOPNOTSUPP; } - pdsv->req_features = features; - /* Check for valid feature bits */ - nego_features = features & le64_to_cpu(pdsv->vdpa_aux->ident.hw_features); - missing = pdsv->req_features & ~nego_features; + nego_features = features & pdsv->supported_features; + missing = features & ~nego_features; if (missing) { dev_err(dev, "Can't support all requested features in %#llx, missing %#llx features\n", - pdsv->req_features, missing); + features, missing); return -EOPNOTSUPP; } + pdsv->negotiated_features = nego_features; + driver_features = pds_vdpa_get_driver_features(vdpa_dev); dev_dbg(dev, "%s: %#llx => %#llx\n", __func__, driver_features, nego_features); + /* if we're faking the F_MAC, strip it before writing to device */ + hw_features = le64_to_cpu(pdsv->vdpa_aux->ident.hw_features); + if (!(hw_features & BIT_ULL(VIRTIO_NET_F_MAC))) + nego_features &= ~BIT_ULL(VIRTIO_NET_F_MAC); + if (driver_features == nego_features) return 0; @@ -352,7 +341,7 @@ static u64 pds_vdpa_get_driver_features(struct vdpa_device *vdpa_dev) { struct pds_vdpa_device *pdsv = vdpa_to_pdsv(vdpa_dev); - return vp_modern_get_driver_features(&pdsv->vdpa_aux->vd_mdev); + return pdsv->negotiated_features; } static void pds_vdpa_set_config_cb(struct vdpa_device *vdpa_dev, @@ -389,6 +378,72 @@ static u8 pds_vdpa_get_status(struct vdpa_device *vdpa_dev) return vp_modern_get_status(&pdsv->vdpa_aux->vd_mdev); } +static int pds_vdpa_request_irqs(struct pds_vdpa_device *pdsv) +{ + struct pci_dev *pdev = pdsv->vdpa_aux->padev->vf_pdev; + struct pds_vdpa_aux *vdpa_aux = pdsv->vdpa_aux; + struct device *dev = &pdsv->vdpa_dev.dev; + int max_vq, nintrs, qid, err; + + max_vq = vdpa_aux->vdpa_mdev.max_supported_vqs; + + nintrs = pci_alloc_irq_vectors(pdev, max_vq, max_vq, PCI_IRQ_MSIX); + if (nintrs < 0) { + dev_err(dev, "Couldn't get %d msix vectors: %pe\n", + max_vq, ERR_PTR(nintrs)); + return nintrs; + } + + for (qid = 0; qid < pdsv->num_vqs; ++qid) { + int irq = pci_irq_vector(pdev, qid); + + snprintf(pdsv->vqs[qid].irq_name, sizeof(pdsv->vqs[qid].irq_name), + "vdpa-%s-%d", dev_name(dev), qid); + + err = request_irq(irq, pds_vdpa_isr, 0, + pdsv->vqs[qid].irq_name, + &pdsv->vqs[qid]); + if (err) { + dev_err(dev, "%s: no irq for qid %d: %pe\n", + __func__, qid, ERR_PTR(err)); + goto err_release; + } + + pdsv->vqs[qid].irq = irq; + } + + vdpa_aux->nintrs = nintrs; + + return 0; + +err_release: + while (qid--) + pds_vdpa_release_irq(pdsv, qid); + + pci_free_irq_vectors(pdev); + + vdpa_aux->nintrs = 0; + + return err; +} + +static void pds_vdpa_release_irqs(struct pds_vdpa_device *pdsv) +{ + struct pci_dev *pdev = pdsv->vdpa_aux->padev->vf_pdev; + struct pds_vdpa_aux *vdpa_aux = pdsv->vdpa_aux; + int qid; + + if (!vdpa_aux->nintrs) + return; + + for (qid = 0; qid < pdsv->num_vqs; qid++) + pds_vdpa_release_irq(pdsv, qid); + + pci_free_irq_vectors(pdev); + + vdpa_aux->nintrs = 0; +} + static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) { struct pds_vdpa_device *pdsv = vdpa_to_pdsv(vdpa_dev); @@ -399,6 +454,11 @@ static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) old_status = pds_vdpa_get_status(vdpa_dev); dev_dbg(dev, "%s: old %#x new %#x\n", __func__, old_status, status); + if (status & ~old_status & VIRTIO_CONFIG_S_DRIVER_OK) { + if (pds_vdpa_request_irqs(pdsv)) + status = old_status | VIRTIO_CONFIG_S_FAILED; + } + pds_vdpa_cmd_set_status(pdsv, status); /* Note: still working with FW on the need for this reset cmd */ @@ -409,6 +469,8 @@ static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) pdsv->vqs[i].avail_idx = 0; pdsv->vqs[i].used_idx = 0; } + + pds_vdpa_cmd_set_mac(pdsv, pdsv->mac); } if (status & ~old_status & VIRTIO_CONFIG_S_FEATURES_OK) { @@ -418,6 +480,20 @@ static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) i, &pdsv->vqs[i].notify_pa); } } + + if (old_status & ~status & VIRTIO_CONFIG_S_DRIVER_OK) + pds_vdpa_release_irqs(pdsv); +} + +static void pds_vdpa_init_vqs_entry(struct pds_vdpa_device *pdsv, int qid, + void __iomem *notify) +{ + memset(&pdsv->vqs[qid], 0, sizeof(pdsv->vqs[0])); + pdsv->vqs[qid].qid = qid; + pdsv->vqs[qid].pdsv = pdsv; + pdsv->vqs[qid].ready = false; + pdsv->vqs[qid].irq = VIRTIO_MSI_NO_VECTOR; + pdsv->vqs[qid].notify = notify; } static int pds_vdpa_reset(struct vdpa_device *vdpa_dev) @@ -441,14 +517,17 @@ static int pds_vdpa_reset(struct vdpa_device *vdpa_dev) if (err) dev_err(dev, "%s: reset_vq failed qid %d: %pe\n", __func__, i, ERR_PTR(err)); - pds_vdpa_release_irq(pdsv, i); - memset(&pdsv->vqs[i], 0, sizeof(pdsv->vqs[0])); - pdsv->vqs[i].ready = false; } } pds_vdpa_set_status(vdpa_dev, 0); + if (status & VIRTIO_CONFIG_S_DRIVER_OK) { + /* Reset the vq info */ + for (i = 0; i < pdsv->num_vqs && !err; i++) + pds_vdpa_init_vqs_entry(pdsv, i, pdsv->vqs[i].notify); + } + return 0; } @@ -532,7 +611,6 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, struct device *dma_dev; struct pci_dev *pdev; struct device *dev; - u8 mac[ETH_ALEN]; int err; int i; @@ -563,7 +641,7 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (add_config->mask & BIT_ULL(VDPA_ATTR_DEV_FEATURES)) { u64 unsupp_features = - add_config->device_features & ~mgmt->supported_features; + add_config->device_features & ~pdsv->supported_features; if (unsupp_features) { dev_err(dev, "Unsupported features: %#llx\n", unsupp_features); @@ -614,29 +692,30 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, } /* Set a mac, either from the user config if provided - * or set a random mac if default is 00:..:00 + * or use the device's mac if not 00:..:00 + * or set a random mac */ if (add_config->mask & BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MACADDR)) { - ether_addr_copy(mac, add_config->net.mac); - pds_vdpa_cmd_set_mac(pdsv, mac); + ether_addr_copy(pdsv->mac, add_config->net.mac); } else { struct virtio_net_config __iomem *vc; vc = pdsv->vdpa_aux->vd_mdev.device; - memcpy_fromio(mac, vc->mac, sizeof(mac)); - if (is_zero_ether_addr(mac)) { - eth_random_addr(mac); - dev_info(dev, "setting random mac %pM\n", mac); - pds_vdpa_cmd_set_mac(pdsv, mac); + memcpy_fromio(pdsv->mac, vc->mac, sizeof(pdsv->mac)); + if (is_zero_ether_addr(pdsv->mac) && + (pdsv->supported_features & BIT_ULL(VIRTIO_NET_F_MAC))) { + eth_random_addr(pdsv->mac); + dev_info(dev, "setting random mac %pM\n", pdsv->mac); } } + pds_vdpa_cmd_set_mac(pdsv, pdsv->mac); for (i = 0; i < pdsv->num_vqs; i++) { - pdsv->vqs[i].qid = i; - pdsv->vqs[i].pdsv = pdsv; - pdsv->vqs[i].irq = VIRTIO_MSI_NO_VECTOR; - pdsv->vqs[i].notify = vp_modern_map_vq_notify(&pdsv->vdpa_aux->vd_mdev, - i, &pdsv->vqs[i].notify_pa); + void __iomem *notify; + + notify = vp_modern_map_vq_notify(&pdsv->vdpa_aux->vd_mdev, + i, &pdsv->vqs[i].notify_pa); + pds_vdpa_init_vqs_entry(pdsv, i, notify); } pdsv->vdpa_dev.mdev = &vdpa_aux->vdpa_mdev; @@ -746,24 +825,19 @@ int pds_vdpa_get_mgmt_info(struct pds_vdpa_aux *vdpa_aux) max_vqs = min_t(u16, dev_intrs, max_vqs); mgmt->max_supported_vqs = min_t(u16, PDS_VDPA_MAX_QUEUES, max_vqs); - vdpa_aux->nintrs = mgmt->max_supported_vqs; + vdpa_aux->nintrs = 0; mgmt->ops = &pds_vdpa_mgmt_dev_ops; mgmt->id_table = pds_vdpa_id_table; mgmt->device = dev; mgmt->supported_features = le64_to_cpu(vdpa_aux->ident.hw_features); + + /* advertise F_MAC even if the device doesn't */ + mgmt->supported_features |= BIT_ULL(VIRTIO_NET_F_MAC); + mgmt->config_attr_mask = BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MACADDR); mgmt->config_attr_mask |= BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MAX_VQP); mgmt->config_attr_mask |= BIT_ULL(VDPA_ATTR_DEV_FEATURES); - err = pci_alloc_irq_vectors(pdev, vdpa_aux->nintrs, vdpa_aux->nintrs, - PCI_IRQ_MSIX); - if (err < 0) { - dev_err(dev, "Couldn't get %d msix vectors: %pe\n", - vdpa_aux->nintrs, ERR_PTR(err)); - return err; - } - vdpa_aux->nintrs = err; - return 0; } diff --git a/drivers/vdpa/pds/vdpa_dev.h b/drivers/vdpa/pds/vdpa_dev.h index a1bc37de9537..d984ba24a7da 100644 --- a/drivers/vdpa/pds/vdpa_dev.h +++ b/drivers/vdpa/pds/vdpa_dev.h @@ -35,10 +35,11 @@ struct pds_vdpa_device { struct pds_vdpa_aux *vdpa_aux; struct pds_vdpa_vq_info vqs[PDS_VDPA_MAX_QUEUES]; - u64 supported_features; /* specified device features */ - u64 req_features; /* features requested by vdpa */ + u64 supported_features; /* supported device features */ + u64 negotiated_features; /* negotiated features */ u8 vdpa_index; /* rsvd for future subdevice use */ u8 num_vqs; /* num vqs in use */ + u8 mac[ETH_ALEN]; /* mac selected when the device was added */ struct vdpa_callback config_cb; struct notifier_block nb; }; diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index 965e32529eb8..a7612e0783b3 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -1247,44 +1247,41 @@ static const struct nla_policy vdpa_nl_policy[VDPA_ATTR_MAX + 1] = { [VDPA_ATTR_MGMTDEV_DEV_NAME] = { .type = NLA_STRING }, [VDPA_ATTR_DEV_NAME] = { .type = NLA_STRING }, [VDPA_ATTR_DEV_NET_CFG_MACADDR] = NLA_POLICY_ETH_ADDR, + [VDPA_ATTR_DEV_NET_CFG_MAX_VQP] = { .type = NLA_U16 }, /* virtio spec 1.1 section 5.1.4.1 for valid MTU range */ [VDPA_ATTR_DEV_NET_CFG_MTU] = NLA_POLICY_MIN(NLA_U16, 68), + [VDPA_ATTR_DEV_QUEUE_INDEX] = { .type = NLA_U32 }, + [VDPA_ATTR_DEV_FEATURES] = { .type = NLA_U64 }, }; static const struct genl_ops vdpa_nl_ops[] = { { .cmd = VDPA_CMD_MGMTDEV_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = vdpa_nl_cmd_mgmtdev_get_doit, .dumpit = vdpa_nl_cmd_mgmtdev_get_dumpit, }, { .cmd = VDPA_CMD_DEV_NEW, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = vdpa_nl_cmd_dev_add_set_doit, .flags = GENL_ADMIN_PERM, }, { .cmd = VDPA_CMD_DEV_DEL, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = vdpa_nl_cmd_dev_del_set_doit, .flags = GENL_ADMIN_PERM, }, { .cmd = VDPA_CMD_DEV_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = vdpa_nl_cmd_dev_get_doit, .dumpit = vdpa_nl_cmd_dev_get_dumpit, }, { .cmd = VDPA_CMD_DEV_CONFIG_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = vdpa_nl_cmd_dev_config_get_doit, .dumpit = vdpa_nl_cmd_dev_config_get_dumpit, }, { .cmd = VDPA_CMD_DEV_VSTATS_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = vdpa_nl_cmd_dev_stats_get_doit, .flags = GENL_ADMIN_PERM, }, diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index dc38ed21319d..df7869537ef1 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -935,10 +935,10 @@ static void vduse_dev_irq_inject(struct work_struct *work) { struct vduse_dev *dev = container_of(work, struct vduse_dev, inject); - spin_lock_irq(&dev->irq_lock); + spin_lock_bh(&dev->irq_lock); if (dev->config_cb.callback) dev->config_cb.callback(dev->config_cb.private); - spin_unlock_irq(&dev->irq_lock); + spin_unlock_bh(&dev->irq_lock); } static void vduse_vq_irq_inject(struct work_struct *work) @@ -946,10 +946,10 @@ static void vduse_vq_irq_inject(struct work_struct *work) struct vduse_virtqueue *vq = container_of(work, struct vduse_virtqueue, inject); - spin_lock_irq(&vq->irq_lock); + spin_lock_bh(&vq->irq_lock); if (vq->ready && vq->cb.callback) vq->cb.callback(vq->cb.private); - spin_unlock_irq(&vq->irq_lock); + spin_unlock_bh(&vq->irq_lock); } static bool vduse_vq_signal_irqfd(struct vduse_virtqueue *vq) diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index c83f7f043470..abef0619c790 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -25,6 +25,8 @@ #include <linux/fs.h> #include <linux/vmalloc.h> #include <linux/miscdevice.h> +#include <linux/blk_types.h> +#include <linux/bio.h> #include <asm/unaligned.h> #include <scsi/scsi_common.h> #include <scsi/scsi_proto.h> @@ -75,6 +77,9 @@ struct vhost_scsi_cmd { u32 tvc_prot_sgl_count; /* Saved unpacked SCSI LUN for vhost_scsi_target_queue_cmd() */ u32 tvc_lun; + u32 copied_iov:1; + const void *saved_iter_addr; + struct iov_iter saved_iter; /* Pointer to the SGL formatted memory from virtio-scsi */ struct scatterlist *tvc_sgl; struct scatterlist *tvc_prot_sgl; @@ -328,8 +333,13 @@ static void vhost_scsi_release_cmd_res(struct se_cmd *se_cmd) int i; if (tv_cmd->tvc_sgl_count) { - for (i = 0; i < tv_cmd->tvc_sgl_count; i++) - put_page(sg_page(&tv_cmd->tvc_sgl[i])); + for (i = 0; i < tv_cmd->tvc_sgl_count; i++) { + if (tv_cmd->copied_iov) + __free_page(sg_page(&tv_cmd->tvc_sgl[i])); + else + put_page(sg_page(&tv_cmd->tvc_sgl[i])); + } + kfree(tv_cmd->saved_iter_addr); } if (tv_cmd->tvc_prot_sgl_count) { for (i = 0; i < tv_cmd->tvc_prot_sgl_count; i++) @@ -504,6 +514,28 @@ static void vhost_scsi_evt_work(struct vhost_work *work) mutex_unlock(&vq->mutex); } +static int vhost_scsi_copy_sgl_to_iov(struct vhost_scsi_cmd *cmd) +{ + struct iov_iter *iter = &cmd->saved_iter; + struct scatterlist *sg = cmd->tvc_sgl; + struct page *page; + size_t len; + int i; + + for (i = 0; i < cmd->tvc_sgl_count; i++) { + page = sg_page(&sg[i]); + len = sg[i].length; + + if (copy_page_to_iter(page, 0, len, iter) != len) { + pr_err("Could not copy data while handling misaligned cmd. Error %zu\n", + len); + return -1; + } + } + + return 0; +} + /* Fill in status and signal that we are done processing this command * * This is scheduled in the vhost work queue so we are called with the owner @@ -527,15 +559,20 @@ static void vhost_scsi_complete_cmd_work(struct vhost_work *work) pr_debug("%s tv_cmd %p resid %u status %#02x\n", __func__, cmd, se_cmd->residual_count, se_cmd->scsi_status); - memset(&v_rsp, 0, sizeof(v_rsp)); - v_rsp.resid = cpu_to_vhost32(cmd->tvc_vq, se_cmd->residual_count); - /* TODO is status_qualifier field needed? */ - v_rsp.status = se_cmd->scsi_status; - v_rsp.sense_len = cpu_to_vhost32(cmd->tvc_vq, - se_cmd->scsi_sense_length); - memcpy(v_rsp.sense, cmd->tvc_sense_buf, - se_cmd->scsi_sense_length); + + if (cmd->saved_iter_addr && vhost_scsi_copy_sgl_to_iov(cmd)) { + v_rsp.response = VIRTIO_SCSI_S_BAD_TARGET; + } else { + v_rsp.resid = cpu_to_vhost32(cmd->tvc_vq, + se_cmd->residual_count); + /* TODO is status_qualifier field needed? */ + v_rsp.status = se_cmd->scsi_status; + v_rsp.sense_len = cpu_to_vhost32(cmd->tvc_vq, + se_cmd->scsi_sense_length); + memcpy(v_rsp.sense, cmd->tvc_sense_buf, + se_cmd->scsi_sense_length); + } iov_iter_init(&iov_iter, ITER_DEST, cmd->tvc_resp_iov, cmd->tvc_in_iovs, sizeof(v_rsp)); @@ -613,12 +650,12 @@ static int vhost_scsi_map_to_sgl(struct vhost_scsi_cmd *cmd, struct iov_iter *iter, struct scatterlist *sgl, - bool write) + bool is_prot) { struct page **pages = cmd->tvc_upages; struct scatterlist *sg = sgl; - ssize_t bytes; - size_t offset; + ssize_t bytes, mapped_bytes; + size_t offset, mapped_offset; unsigned int npages = 0; bytes = iov_iter_get_pages2(iter, pages, LONG_MAX, @@ -627,13 +664,53 @@ vhost_scsi_map_to_sgl(struct vhost_scsi_cmd *cmd, if (bytes <= 0) return bytes < 0 ? bytes : -EFAULT; + mapped_bytes = bytes; + mapped_offset = offset; + while (bytes) { unsigned n = min_t(unsigned, PAGE_SIZE - offset, bytes); + /* + * The block layer requires bios/requests to be a multiple of + * 512 bytes, but Windows can send us vecs that are misaligned. + * This can result in bios and later requests with misaligned + * sizes if we have to break up a cmd/scatterlist into multiple + * bios. + * + * We currently only break up a command into multiple bios if + * we hit the vec/seg limit, so check if our sgl_count is + * greater than the max and if a vec in the cmd has a + * misaligned offset/size. + */ + if (!is_prot && + (offset & (SECTOR_SIZE - 1) || n & (SECTOR_SIZE - 1)) && + cmd->tvc_sgl_count > BIO_MAX_VECS) { + WARN_ONCE(true, + "vhost-scsi detected misaligned IO. Performance may be degraded."); + goto revert_iter_get_pages; + } + sg_set_page(sg++, pages[npages++], n, offset); bytes -= n; offset = 0; } + return npages; + +revert_iter_get_pages: + iov_iter_revert(iter, mapped_bytes); + + npages = 0; + while (mapped_bytes) { + unsigned int n = min_t(unsigned int, PAGE_SIZE - mapped_offset, + mapped_bytes); + + put_page(pages[npages++]); + + mapped_bytes -= n; + mapped_offset = 0; + } + + return -EINVAL; } static int @@ -657,25 +734,80 @@ vhost_scsi_calc_sgls(struct iov_iter *iter, size_t bytes, int max_sgls) } static int -vhost_scsi_iov_to_sgl(struct vhost_scsi_cmd *cmd, bool write, - struct iov_iter *iter, - struct scatterlist *sg, int sg_count) +vhost_scsi_copy_iov_to_sgl(struct vhost_scsi_cmd *cmd, struct iov_iter *iter, + struct scatterlist *sg, int sg_count) +{ + size_t len = iov_iter_count(iter); + unsigned int nbytes = 0; + struct page *page; + int i; + + if (cmd->tvc_data_direction == DMA_FROM_DEVICE) { + cmd->saved_iter_addr = dup_iter(&cmd->saved_iter, iter, + GFP_KERNEL); + if (!cmd->saved_iter_addr) + return -ENOMEM; + } + + for (i = 0; i < sg_count; i++) { + page = alloc_page(GFP_KERNEL); + if (!page) { + i--; + goto err; + } + + nbytes = min_t(unsigned int, PAGE_SIZE, len); + sg_set_page(&sg[i], page, nbytes, 0); + + if (cmd->tvc_data_direction == DMA_TO_DEVICE && + copy_page_from_iter(page, 0, nbytes, iter) != nbytes) + goto err; + + len -= nbytes; + } + + cmd->copied_iov = 1; + return 0; + +err: + pr_err("Could not read %u bytes while handling misaligned cmd\n", + nbytes); + + for (; i >= 0; i--) + __free_page(sg_page(&sg[i])); + kfree(cmd->saved_iter_addr); + return -ENOMEM; +} + +static int +vhost_scsi_map_iov_to_sgl(struct vhost_scsi_cmd *cmd, struct iov_iter *iter, + struct scatterlist *sg, int sg_count, bool is_prot) { struct scatterlist *p = sg; + size_t revert_bytes; int ret; while (iov_iter_count(iter)) { - ret = vhost_scsi_map_to_sgl(cmd, iter, sg, write); + ret = vhost_scsi_map_to_sgl(cmd, iter, sg, is_prot); if (ret < 0) { + revert_bytes = 0; + while (p < sg) { - struct page *page = sg_page(p++); - if (page) + struct page *page = sg_page(p); + + if (page) { put_page(page); + revert_bytes += p->length; + } + p++; } + + iov_iter_revert(iter, revert_bytes); return ret; } sg += ret; } + return 0; } @@ -685,7 +817,6 @@ vhost_scsi_mapal(struct vhost_scsi_cmd *cmd, size_t data_bytes, struct iov_iter *data_iter) { int sgl_count, ret; - bool write = (cmd->tvc_data_direction == DMA_FROM_DEVICE); if (prot_bytes) { sgl_count = vhost_scsi_calc_sgls(prot_iter, prot_bytes, @@ -698,9 +829,9 @@ vhost_scsi_mapal(struct vhost_scsi_cmd *cmd, pr_debug("%s prot_sg %p prot_sgl_count %u\n", __func__, cmd->tvc_prot_sgl, cmd->tvc_prot_sgl_count); - ret = vhost_scsi_iov_to_sgl(cmd, write, prot_iter, - cmd->tvc_prot_sgl, - cmd->tvc_prot_sgl_count); + ret = vhost_scsi_map_iov_to_sgl(cmd, prot_iter, + cmd->tvc_prot_sgl, + cmd->tvc_prot_sgl_count, true); if (ret < 0) { cmd->tvc_prot_sgl_count = 0; return ret; @@ -716,8 +847,14 @@ vhost_scsi_mapal(struct vhost_scsi_cmd *cmd, pr_debug("%s data_sg %p data_sgl_count %u\n", __func__, cmd->tvc_sgl, cmd->tvc_sgl_count); - ret = vhost_scsi_iov_to_sgl(cmd, write, data_iter, - cmd->tvc_sgl, cmd->tvc_sgl_count); + ret = vhost_scsi_map_iov_to_sgl(cmd, data_iter, cmd->tvc_sgl, + cmd->tvc_sgl_count, false); + if (ret == -EINVAL) { + sg_init_table(cmd->tvc_sgl, cmd->tvc_sgl_count); + ret = vhost_scsi_copy_iov_to_sgl(cmd, data_iter, cmd->tvc_sgl, + cmd->tvc_sgl_count); + } + if (ret < 0) { cmd->tvc_sgl_count = 0; return ret; diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c index d88265dbebf4..f216b2c702a1 100644 --- a/drivers/video/fbdev/amifb.c +++ b/drivers/video/fbdev/amifb.c @@ -687,7 +687,7 @@ struct fb_var_cursorinfo { __u16 height; __u16 xspot; __u16 yspot; - __u8 data[1]; /* field with [height][width] */ + DECLARE_FLEX_ARRAY(__u8, data); /* field with [height][width] */ }; struct fb_cursorstate { diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index 987c5f5f0241..f245da138e68 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -1308,7 +1308,7 @@ static struct platform_driver atmel_lcdfb_driver = { .resume = atmel_lcdfb_resume, .driver = { .name = "atmel_lcdfb", - .of_match_table = of_match_ptr(atmel_lcdfb_dt_ids), + .of_match_table = atmel_lcdfb_dt_ids, }, }; diff --git a/drivers/video/fbdev/goldfishfb.c b/drivers/video/fbdev/goldfishfb.c index 6fa2108fd912..e41c9fef4a3b 100644 --- a/drivers/video/fbdev/goldfishfb.c +++ b/drivers/video/fbdev/goldfishfb.c @@ -203,8 +203,8 @@ static int goldfish_fb_probe(struct platform_device *pdev) } fb->irq = platform_get_irq(pdev, 0); - if (fb->irq <= 0) { - ret = -ENODEV; + if (fb->irq < 0) { + ret = fb->irq; goto err_no_irq; } diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index 51fbf02a0343..76b50b6c98ad 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -519,7 +519,9 @@ static int mmphw_probe(struct platform_device *pdev) "unable to get clk %s\n", mi->clk_name); goto failed; } - clk_prepare_enable(ctrl->clk); + ret = clk_prepare_enable(ctrl->clk); + if (ret) + goto failed; /* init global regs */ ctrl_set_default(ctrl); diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 11c373798279..46881a691549 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -399,8 +399,8 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) /* Enable the PWM */ pwm_enable(par->pwm); - dev_dbg(&par->client->dev, "Using PWM%d with a %lluns period.\n", - par->pwm->pwm, pwm_get_period(par->pwm)); + dev_dbg(&par->client->dev, "Using PWM %s with a %lluns period.\n", + par->pwm->label, pwm_get_period(par->pwm)); } /* Set initial contrast */ diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c index 835f6cc2fb66..fa5226c198cc 100644 --- a/drivers/virtio/virtio_mem.c +++ b/drivers/virtio/virtio_mem.c @@ -38,11 +38,6 @@ module_param(bbm_block_size, ulong, 0444); MODULE_PARM_DESC(bbm_block_size, "Big Block size in bytes. Default is 0 (auto-detection)."); -static bool bbm_safe_unplug = true; -module_param(bbm_safe_unplug, bool, 0444); -MODULE_PARM_DESC(bbm_safe_unplug, - "Use a safe unplug mechanism in BBM, avoiding long/endless loops"); - /* * virtio-mem currently supports the following modes of operation: * @@ -173,6 +168,13 @@ struct virtio_mem { /* The number of subblocks per Linux memory block. */ uint32_t sbs_per_mb; + /* + * Some of the Linux memory blocks tracked as "partially + * plugged" are completely unplugged and can be offlined + * and removed -- which previously failed. + */ + bool have_unplugged_mb; + /* Summary of all memory block states. */ unsigned long mb_count[VIRTIO_MEM_SBM_MB_COUNT]; @@ -746,11 +748,15 @@ static int virtio_mem_offline_and_remove_memory(struct virtio_mem *vm, * immediately instead of waiting. */ virtio_mem_retry(vm); - } else { - dev_dbg(&vm->vdev->dev, - "offlining and removing memory failed: %d\n", rc); + return 0; } - return rc; + dev_dbg(&vm->vdev->dev, "offlining and removing memory failed: %d\n", rc); + /* + * We don't really expect this to fail, because we fake-offlined all + * memory already. But it could fail in corner cases. + */ + WARN_ON_ONCE(rc != -ENOMEM && rc != -EBUSY); + return rc == -ENOMEM ? -ENOMEM : -EBUSY; } /* @@ -767,6 +773,34 @@ static int virtio_mem_sbm_offline_and_remove_mb(struct virtio_mem *vm, } /* + * Try (offlining and) removing memory from Linux in case all subblocks are + * unplugged. Can be called on online and offline memory blocks. + * + * May modify the state of memory blocks in virtio-mem. + */ +static int virtio_mem_sbm_try_remove_unplugged_mb(struct virtio_mem *vm, + unsigned long mb_id) +{ + int rc; + + /* + * Once all subblocks of a memory block were unplugged, offline and + * remove it. + */ + if (!virtio_mem_sbm_test_sb_unplugged(vm, mb_id, 0, vm->sbm.sbs_per_mb)) + return 0; + + /* offline_and_remove_memory() works for online and offline memory. */ + mutex_unlock(&vm->hotplug_mutex); + rc = virtio_mem_sbm_offline_and_remove_mb(vm, mb_id); + mutex_lock(&vm->hotplug_mutex); + if (!rc) + virtio_mem_sbm_set_mb_state(vm, mb_id, + VIRTIO_MEM_SBM_MB_UNUSED); + return rc; +} + +/* * See virtio_mem_offline_and_remove_memory(): Try to offline and remove a * all Linux memory blocks covered by the big block. */ @@ -1155,7 +1189,8 @@ static void virtio_mem_fake_online(unsigned long pfn, unsigned long nr_pages) * Try to allocate a range, marking pages fake-offline, effectively * fake-offlining them. */ -static int virtio_mem_fake_offline(unsigned long pfn, unsigned long nr_pages) +static int virtio_mem_fake_offline(struct virtio_mem *vm, unsigned long pfn, + unsigned long nr_pages) { const bool is_movable = is_zone_movable_page(pfn_to_page(pfn)); int rc, retry_count; @@ -1168,6 +1203,14 @@ static int virtio_mem_fake_offline(unsigned long pfn, unsigned long nr_pages) * some guarantees. */ for (retry_count = 0; retry_count < 5; retry_count++) { + /* + * If the config changed, stop immediately and go back to the + * main loop: avoid trying to keep unplugging if the device + * might have decided to not remove any more memory. + */ + if (atomic_read(&vm->config_changed)) + return -EAGAIN; + rc = alloc_contig_range(pfn, pfn + nr_pages, MIGRATE_MOVABLE, GFP_KERNEL); if (rc == -ENOMEM) @@ -1917,7 +1960,7 @@ static int virtio_mem_sbm_unplug_sb_online(struct virtio_mem *vm, start_pfn = PFN_DOWN(virtio_mem_mb_id_to_phys(mb_id) + sb_id * vm->sbm.sb_size); - rc = virtio_mem_fake_offline(start_pfn, nr_pages); + rc = virtio_mem_fake_offline(vm, start_pfn, nr_pages); if (rc) return rc; @@ -1989,20 +2032,10 @@ static int virtio_mem_sbm_unplug_any_sb_online(struct virtio_mem *vm, } unplugged: - /* - * Once all subblocks of a memory block were unplugged, offline and - * remove it. This will usually not fail, as no memory is in use - * anymore - however some other notifiers might NACK the request. - */ - if (virtio_mem_sbm_test_sb_unplugged(vm, mb_id, 0, vm->sbm.sbs_per_mb)) { - mutex_unlock(&vm->hotplug_mutex); - rc = virtio_mem_sbm_offline_and_remove_mb(vm, mb_id); - mutex_lock(&vm->hotplug_mutex); - if (!rc) - virtio_mem_sbm_set_mb_state(vm, mb_id, - VIRTIO_MEM_SBM_MB_UNUSED); - } - + rc = virtio_mem_sbm_try_remove_unplugged_mb(vm, mb_id); + if (rc) + vm->sbm.have_unplugged_mb = 1; + /* Ignore errors, this is not critical. We'll retry later. */ return 0; } @@ -2111,38 +2144,32 @@ static int virtio_mem_bbm_offline_remove_and_unplug_bb(struct virtio_mem *vm, VIRTIO_MEM_BBM_BB_ADDED)) return -EINVAL; - if (bbm_safe_unplug) { - /* - * Start by fake-offlining all memory. Once we marked the device - * block as fake-offline, all newly onlined memory will - * automatically be kept fake-offline. Protect from concurrent - * onlining/offlining until we have a consistent state. - */ - mutex_lock(&vm->hotplug_mutex); - virtio_mem_bbm_set_bb_state(vm, bb_id, - VIRTIO_MEM_BBM_BB_FAKE_OFFLINE); + /* + * Start by fake-offlining all memory. Once we marked the device + * block as fake-offline, all newly onlined memory will + * automatically be kept fake-offline. Protect from concurrent + * onlining/offlining until we have a consistent state. + */ + mutex_lock(&vm->hotplug_mutex); + virtio_mem_bbm_set_bb_state(vm, bb_id, VIRTIO_MEM_BBM_BB_FAKE_OFFLINE); - for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { - page = pfn_to_online_page(pfn); - if (!page) - continue; + for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { + page = pfn_to_online_page(pfn); + if (!page) + continue; - rc = virtio_mem_fake_offline(pfn, PAGES_PER_SECTION); - if (rc) { - end_pfn = pfn; - goto rollback_safe_unplug; - } + rc = virtio_mem_fake_offline(vm, pfn, PAGES_PER_SECTION); + if (rc) { + end_pfn = pfn; + goto rollback; } - mutex_unlock(&vm->hotplug_mutex); } + mutex_unlock(&vm->hotplug_mutex); rc = virtio_mem_bbm_offline_and_remove_bb(vm, bb_id); if (rc) { - if (bbm_safe_unplug) { - mutex_lock(&vm->hotplug_mutex); - goto rollback_safe_unplug; - } - return rc; + mutex_lock(&vm->hotplug_mutex); + goto rollback; } rc = virtio_mem_bbm_unplug_bb(vm, bb_id); @@ -2154,7 +2181,7 @@ static int virtio_mem_bbm_offline_remove_and_unplug_bb(struct virtio_mem *vm, VIRTIO_MEM_BBM_BB_UNUSED); return rc; -rollback_safe_unplug: +rollback: for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { page = pfn_to_online_page(pfn); if (!page) @@ -2260,12 +2287,13 @@ static int virtio_mem_unplug_request(struct virtio_mem *vm, uint64_t diff) /* * Try to unplug all blocks that couldn't be unplugged before, for example, - * because the hypervisor was busy. + * because the hypervisor was busy. Further, offline and remove any memory + * blocks where we previously failed. */ -static int virtio_mem_unplug_pending_mb(struct virtio_mem *vm) +static int virtio_mem_cleanup_pending_mb(struct virtio_mem *vm) { unsigned long id; - int rc; + int rc = 0; if (!vm->in_sbm) { virtio_mem_bbm_for_each_bb(vm, id, @@ -2287,6 +2315,27 @@ static int virtio_mem_unplug_pending_mb(struct virtio_mem *vm) VIRTIO_MEM_SBM_MB_UNUSED); } + if (!vm->sbm.have_unplugged_mb) + return 0; + + /* + * Let's retry (offlining and) removing completely unplugged Linux + * memory blocks. + */ + vm->sbm.have_unplugged_mb = false; + + mutex_lock(&vm->hotplug_mutex); + virtio_mem_sbm_for_each_mb(vm, id, VIRTIO_MEM_SBM_MB_MOVABLE_PARTIAL) + rc |= virtio_mem_sbm_try_remove_unplugged_mb(vm, id); + virtio_mem_sbm_for_each_mb(vm, id, VIRTIO_MEM_SBM_MB_KERNEL_PARTIAL) + rc |= virtio_mem_sbm_try_remove_unplugged_mb(vm, id); + virtio_mem_sbm_for_each_mb(vm, id, VIRTIO_MEM_SBM_MB_OFFLINE_PARTIAL) + rc |= virtio_mem_sbm_try_remove_unplugged_mb(vm, id); + mutex_unlock(&vm->hotplug_mutex); + + if (rc) + vm->sbm.have_unplugged_mb = true; + /* Ignore errors, this is not critical. We'll retry later. */ return 0; } @@ -2368,9 +2417,9 @@ retry: virtio_mem_refresh_config(vm); } - /* Unplug any leftovers from previous runs */ + /* Cleanup any leftovers from previous runs */ if (!rc) - rc = virtio_mem_unplug_pending_mb(vm); + rc = virtio_mem_cleanup_pending_mb(vm); if (!rc && vm->requested_size != vm->plugged_size) { if (vm->requested_size > vm->plugged_size) { @@ -2382,6 +2431,13 @@ retry: } } + /* + * Keep retrying to offline and remove completely unplugged Linux + * memory blocks. + */ + if (!rc && vm->in_sbm && vm->sbm.have_unplugged_mb) + rc = -EBUSY; + switch (rc) { case 0: vm->retry_timer_ms = VIRTIO_MEM_RETRY_TIMER_MIN_MS; diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index a46a4a29e929..97760f611295 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -607,9 +607,8 @@ static void virtio_mmio_release_dev(struct device *_d) struct virtio_device *vdev = container_of(_d, struct virtio_device, dev); struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); - struct platform_device *pdev = vm_dev->pdev; - devm_kfree(&pdev->dev, vm_dev); + kfree(vm_dev); } /* Platform device */ @@ -620,7 +619,7 @@ static int virtio_mmio_probe(struct platform_device *pdev) unsigned long magic; int rc; - vm_dev = devm_kzalloc(&pdev->dev, sizeof(*vm_dev), GFP_KERNEL); + vm_dev = kzalloc(sizeof(*vm_dev), GFP_KERNEL); if (!vm_dev) return -ENOMEM; diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index a6c86f916dbd..c2524a7207cf 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -557,8 +557,6 @@ static int virtio_pci_probe(struct pci_dev *pci_dev, pci_set_master(pci_dev); - vp_dev->is_legacy = vp_dev->ldev.ioaddr ? true : false; - rc = register_virtio_device(&vp_dev->vdev); reg_dev = vp_dev; if (rc) diff --git a/drivers/virtio/virtio_pci_legacy.c b/drivers/virtio/virtio_pci_legacy.c index 2257f1b3d8ae..d9cbb02b35a1 100644 --- a/drivers/virtio/virtio_pci_legacy.c +++ b/drivers/virtio/virtio_pci_legacy.c @@ -223,6 +223,7 @@ int virtio_pci_legacy_probe(struct virtio_pci_device *vp_dev) vp_dev->config_vector = vp_config_vector; vp_dev->setup_vq = setup_vq; vp_dev->del_vq = del_vq; + vp_dev->is_legacy = true; return 0; } diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 989e2d7184ce..961161da5900 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -393,11 +393,13 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, cb.callback = virtio_vdpa_config_cb; cb.private = vd_dev; ops->set_config_cb(vdpa, &cb); + kfree(masks); return 0; err_setup_vq: virtio_vdpa_del_vqs(vdev); + kfree(masks); return err; } diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 950cf61f118b..0d28ecf668d0 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -260,7 +260,7 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses, inode_init_owner(&nop_mnt_idmap, inode, NULL, mode); inode->i_blocks = 0; inode->i_rdev = rdev; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_mapping->a_ops = &v9fs_addr_operations; inode->i_private = NULL; @@ -1011,7 +1011,7 @@ v9fs_vfs_getattr(struct mnt_idmap *idmap, const struct path *path, p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); v9ses = v9fs_dentry2v9ses(dentry); if (v9ses->cache & (CACHE_META|CACHE_LOOSE)) { - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); return 0; } else if (v9ses->cache & CACHE_WRITEBACK) { if (S_ISREG(inode->i_mode)) { @@ -1032,7 +1032,7 @@ v9fs_vfs_getattr(struct mnt_idmap *idmap, const struct path *path, return PTR_ERR(st); v9fs_stat2inode(st, d_inode(dentry), dentry->d_sb, 0); - generic_fillattr(&nop_mnt_idmap, d_inode(dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(dentry), stat); p9stat_free(st); kfree(st); @@ -1152,7 +1152,7 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode, inode->i_atime.tv_sec = stat->atime; inode->i_mtime.tv_sec = stat->mtime; - inode->i_ctime.tv_sec = stat->mtime; + inode_set_ctime(inode, stat->mtime, 0); inode->i_uid = v9ses->dfltuid; inode->i_gid = v9ses->dfltgid; diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 14510872ecc3..1312f68965ac 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -450,7 +450,7 @@ v9fs_vfs_getattr_dotl(struct mnt_idmap *idmap, p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); v9ses = v9fs_dentry2v9ses(dentry); if (v9ses->cache & (CACHE_META|CACHE_LOOSE)) { - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); return 0; } else if (v9ses->cache) { if (S_ISREG(inode->i_mode)) { @@ -475,7 +475,7 @@ v9fs_vfs_getattr_dotl(struct mnt_idmap *idmap, return PTR_ERR(st); v9fs_stat2inode_dotl(st, d_inode(dentry), 0); - generic_fillattr(&nop_mnt_idmap, d_inode(dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(dentry), stat); /* Change block size to what the server returned */ stat->blksize = st->st_blksize; @@ -645,8 +645,8 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode, inode->i_atime.tv_nsec = stat->st_atime_nsec; inode->i_mtime.tv_sec = stat->st_mtime_sec; inode->i_mtime.tv_nsec = stat->st_mtime_nsec; - inode->i_ctime.tv_sec = stat->st_ctime_sec; - inode->i_ctime.tv_nsec = stat->st_ctime_nsec; + inode_set_ctime(inode, stat->st_ctime_sec, + stat->st_ctime_nsec); inode->i_uid = stat->st_uid; inode->i_gid = stat->st_gid; set_nlink(inode, stat->st_nlink); @@ -668,8 +668,8 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode, inode->i_mtime.tv_nsec = stat->st_mtime_nsec; } if (stat->st_result_mask & P9_STATS_CTIME) { - inode->i_ctime.tv_sec = stat->st_ctime_sec; - inode->i_ctime.tv_nsec = stat->st_ctime_nsec; + inode_set_ctime(inode, stat->st_ctime_sec, + stat->st_ctime_nsec); } if (stat->st_result_mask & P9_STATS_UID) inode->i_uid = stat->st_uid; diff --git a/fs/Kconfig b/fs/Kconfig index 18d034ec7953..7da21f563192 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -205,8 +205,8 @@ config TMPFS_XATTR Extended attributes are name:value pairs associated with inodes by the kernel or by users (see the attr(5) manual page for details). - Currently this enables support for the trusted.* and - security.* namespaces. + This enables support for the trusted.*, security.* and user.* + namespaces. You need this for POSIX ACL support on tmpfs. @@ -233,6 +233,18 @@ config TMPFS_INODE64 If unsure, say N. +config TMPFS_QUOTA + bool "Tmpfs quota support" + depends on TMPFS + select QUOTA + help + Quota support allows to set per user and group limits for tmpfs + usage. Say Y to enable quota support. Once enabled you can control + user and group quota enforcement with quota, usrquota and grpquota + mount options. + + If unsure, say N. + config ARCH_SUPPORTS_HUGETLBFS def_bool n diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index c3ac613d0975..20963002578a 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -270,7 +270,7 @@ adfs_iget(struct super_block *sb, struct object_info *obj) inode->i_mode = adfs_atts2mode(sb, inode); adfs_adfs2unix_time(&inode->i_mtime, inode); inode->i_atime = inode->i_mtime; - inode->i_ctime = inode->i_mtime; + inode_set_ctime_to_ts(inode, inode->i_mtime); if (S_ISDIR(inode->i_mode)) { inode->i_op = &adfs_dir_inode_operations; @@ -331,7 +331,7 @@ adfs_notify_change(struct mnt_idmap *idmap, struct dentry *dentry, if (ia_valid & ATTR_ATIME) inode->i_atime = attr->ia_atime; if (ia_valid & ATTR_CTIME) - inode->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(inode, attr->ia_ctime); if (ia_valid & ATTR_MODE) { ADFS_I(inode)->attr = adfs_mode2atts(sb, inode, attr->ia_mode); inode->i_mode = adfs_atts2mode(sb, inode); diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index 29f11e10a7c7..7ba93efc1143 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -60,7 +60,7 @@ affs_insert_hash(struct inode *dir, struct buffer_head *bh) mark_buffer_dirty_inode(dir_bh, dir); affs_brelse(dir_bh); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); inode_inc_iversion(dir); mark_inode_dirty(dir); @@ -114,7 +114,7 @@ affs_remove_hash(struct inode *dir, struct buffer_head *rem_bh) affs_brelse(bh); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); inode_inc_iversion(dir); mark_inode_dirty(dir); @@ -315,7 +315,7 @@ affs_remove_header(struct dentry *dentry) else clear_nlink(inode); affs_unlock_link(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); done: diff --git a/fs/affs/inode.c b/fs/affs/inode.c index 27f77a52c5c8..060746c63151 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -149,13 +149,13 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino) break; } - inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec - = (be32_to_cpu(tail->change.days) * 86400LL + - be32_to_cpu(tail->change.mins) * 60 + - be32_to_cpu(tail->change.ticks) / 50 + - AFFS_EPOCH_DELTA) + - sys_tz.tz_minuteswest * 60; - inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_atime.tv_nsec = 0; + inode->i_mtime.tv_sec = inode->i_atime.tv_sec = + inode_set_ctime(inode, + (be32_to_cpu(tail->change.days) * 86400LL + + be32_to_cpu(tail->change.mins) * 60 + + be32_to_cpu(tail->change.ticks) / 50 + AFFS_EPOCH_DELTA) + + sys_tz.tz_minuteswest * 60, 0).tv_sec; + inode->i_mtime.tv_nsec = inode->i_atime.tv_nsec = 0; affs_brelse(bh); unlock_new_inode(inode); return inode; @@ -314,7 +314,7 @@ affs_new_inode(struct inode *dir) inode->i_gid = current_fsgid(); inode->i_ino = block; set_nlink(inode, 1); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); atomic_set(&AFFS_I(inode)->i_opencnt, 0); AFFS_I(inode)->i_blkcnt = 0; AFFS_I(inode)->i_lc = NULL; diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c index d7d9402ff718..95bcbd7654d1 100644 --- a/fs/afs/dynroot.c +++ b/fs/afs/dynroot.c @@ -88,7 +88,7 @@ struct inode *afs_iget_pseudo_dir(struct super_block *sb, bool root) set_nlink(inode, 2); inode->i_uid = GLOBAL_ROOT_UID; inode->i_gid = GLOBAL_ROOT_GID; - inode->i_ctime = inode->i_atime = inode->i_mtime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_blocks = 0; inode->i_generation = 0; diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 866bab860a88..1c794a1896aa 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -90,7 +90,7 @@ static int afs_inode_init_from_status(struct afs_operation *op, vnode->status = *status; t = status->mtime_client; - inode->i_ctime = t; + inode_set_ctime_to_ts(inode, t); inode->i_mtime = t; inode->i_atime = t; inode->i_flags |= S_NOATIME; @@ -206,7 +206,7 @@ static void afs_apply_status(struct afs_operation *op, t = status->mtime_client; inode->i_mtime = t; if (vp->update_ctime) - inode->i_ctime = op->ctime; + inode_set_ctime_to_ts(inode, op->ctime); if (vnode->status.data_version != status->data_version) data_changed = true; @@ -252,7 +252,7 @@ static void afs_apply_status(struct afs_operation *op, vnode->netfs.remote_i_size = status->size; if (change_size) { afs_set_i_size(vnode, status->size); - inode->i_ctime = t; + inode_set_ctime_to_ts(inode, t); inode->i_atime = t; } } @@ -773,7 +773,7 @@ int afs_getattr(struct mnt_idmap *idmap, const struct path *path, do { read_seqbegin_or_lock(&vnode->cb_lock, &seq); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); if (test_bit(AFS_VNODE_SILLY_DELETED, &vnode->flags) && stat->nlink > 0) stat->nlink -= 1; @@ -1447,13 +1447,8 @@ static void aio_complete_rw(struct kiocb *kiocb, long res) if (kiocb->ki_flags & IOCB_WRITE) { struct inode *inode = file_inode(kiocb->ki_filp); - /* - * Tell lockdep we inherited freeze protection from submission - * thread. - */ if (S_ISREG(inode->i_mode)) - __sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE); - file_end_write(kiocb->ki_filp); + kiocb_end_write(kiocb); } iocb->ki_res.res = res; @@ -1581,17 +1576,8 @@ static int aio_write(struct kiocb *req, const struct iocb *iocb, return ret; ret = rw_verify_area(WRITE, file, &req->ki_pos, iov_iter_count(&iter)); if (!ret) { - /* - * Open-code file_start_write here to grab freeze protection, - * which will be released by another thread in - * aio_complete_rw(). Fool lockdep by telling it the lock got - * released so that it doesn't complain about the held lock when - * we return to userspace. - */ - if (S_ISREG(file_inode(file)->i_mode)) { - sb_start_write(file_inode(file)->i_sb); - __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE); - } + if (S_ISREG(file_inode(file)->i_mode)) + kiocb_start_write(req); req->ki_flags |= IOCB_WRITE; aio_rw_done(req, call_write_iter(file, req, &iter)); } diff --git a/fs/attr.c b/fs/attr.c index d60dc1edb526..a8ae5f6d9b16 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -312,7 +312,7 @@ void setattr_copy(struct mnt_idmap *idmap, struct inode *inode, if (ia_valid & ATTR_MTIME) inode->i_mtime = attr->ia_mtime; if (ia_valid & ATTR_CTIME) - inode->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(inode, attr->ia_ctime); if (ia_valid & ATTR_MODE) { umode_t mode = attr->ia_mode; if (!in_group_or_capable(idmap, inode, @@ -394,9 +394,25 @@ int notify_change(struct mnt_idmap *idmap, struct dentry *dentry, return error; if ((ia_valid & ATTR_MODE)) { - umode_t amode = attr->ia_mode; + /* + * Don't allow changing the mode of symlinks: + * + * (1) The vfs doesn't take the mode of symlinks into account + * during permission checking. + * (2) This has never worked correctly. Most major filesystems + * did return EOPNOTSUPP due to interactions with POSIX ACLs + * but did still updated the mode of the symlink. + * This inconsistency led system call wrapper providers such + * as libc to block changing the mode of symlinks with + * EOPNOTSUPP already. + * (3) To even do this in the first place one would have to use + * specific file descriptors and quite some effort. + */ + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + /* Flag setting protected by i_mutex */ - if (is_sxid(amode)) + if (is_sxid(attr->ia_mode)) inode->i_flags &= ~S_NOSEC; } diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c index affa70360b1f..2b49662ed237 100644 --- a/fs/autofs/inode.c +++ b/fs/autofs/inode.c @@ -370,7 +370,7 @@ struct inode *autofs_get_inode(struct super_block *sb, umode_t mode) inode->i_uid = d_inode(sb->s_root)->i_uid; inode->i_gid = d_inode(sb->s_root)->i_gid; } - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_ino = get_next_ino(); if (S_ISDIR(mode)) { diff --git a/fs/autofs/root.c b/fs/autofs/root.c index 93046c9dc461..512b9a26c63d 100644 --- a/fs/autofs/root.c +++ b/fs/autofs/root.c @@ -600,7 +600,7 @@ static int autofs_dir_symlink(struct mnt_idmap *idmap, p_ino = autofs_dentry_ino(dentry->d_parent); p_ino->count++; - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); return 0; } @@ -633,7 +633,7 @@ static int autofs_dir_unlink(struct inode *dir, struct dentry *dentry) d_inode(dentry)->i_size = 0; clear_nlink(d_inode(dentry)); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); spin_lock(&sbi->lookup_lock); __autofs_add_expiring(dentry); @@ -749,7 +749,7 @@ static int autofs_dir_mkdir(struct mnt_idmap *idmap, p_ino = autofs_dentry_ino(dentry->d_parent); p_ino->count++; inc_nlink(dir); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); return 0; } diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c index 54c1f8b8b075..33dd4660d82f 100644 --- a/fs/autofs/waitq.c +++ b/fs/autofs/waitq.c @@ -32,8 +32,9 @@ void autofs_catatonic_mode(struct autofs_sb_info *sbi) wq->status = -ENOENT; /* Magic is gone - report failure */ kfree(wq->name.name - wq->offset); wq->name.name = NULL; - wq->wait_ctr--; - wake_up_interruptible(&wq->queue); + wake_up(&wq->queue); + if (!--wq->wait_ctr) + kfree(wq); wq = nwq; } fput(sbi->pipe); /* Close the pipe */ diff --git a/fs/bad_inode.c b/fs/bad_inode.c index db649487d58c..83f9566c973b 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -133,8 +133,7 @@ static int bad_inode_fiemap(struct inode *inode, return -EIO; } -static int bad_inode_update_time(struct inode *inode, struct timespec64 *time, - int flags) +static int bad_inode_update_time(struct inode *inode, int flags) { return -EIO; } @@ -209,8 +208,7 @@ void make_bad_inode(struct inode *inode) remove_inode_hash(inode); inode->i_mode = S_IFREG; - inode->i_atime = inode->i_mtime = inode->i_ctime = - current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_op = &bad_inode_ops; inode->i_opflags &= ~IOP_XATTR; inode->i_fop = &bad_file_ops; diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index eee9237386e2..9a16a51fbb88 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -363,7 +363,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino) inode->i_mtime.tv_sec = fs64_to_cpu(sb, raw_inode->last_modified_time) >> 16; inode->i_mtime.tv_nsec = 0; /* lower 16 bits are not a time */ - inode->i_ctime = inode->i_mtime; + inode_set_ctime_to_ts(inode, inode->i_mtime); inode->i_atime = inode->i_mtime; befs_ino->i_inode_num = fsrun_to_cpu(sb, raw_inode->inode_num); diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 040d5140e426..12b8af04dcb3 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -97,7 +97,7 @@ static int bfs_create(struct mnt_idmap *idmap, struct inode *dir, set_bit(ino, info->si_imap); info->si_freei--; inode_init_owner(&nop_mnt_idmap, inode, dir, mode); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_blocks = 0; inode->i_op = &bfs_file_inops; inode->i_fop = &bfs_file_operations; @@ -158,7 +158,7 @@ static int bfs_link(struct dentry *old, struct inode *dir, return err; } inc_nlink(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); ihold(inode); d_instantiate(new, inode); @@ -187,9 +187,9 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry) } de->ino = 0; mark_buffer_dirty_inode(bh, dir); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); inode_dec_link_count(inode); error = 0; @@ -240,10 +240,10 @@ static int bfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, goto end_rename; } old_de->ino = 0; - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); + old_dir->i_mtime = inode_set_ctime_current(old_dir); mark_inode_dirty(old_dir); if (new_inode) { - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); inode_dec_link_count(new_inode); } mark_buffer_dirty_inode(old_bh, old_dir); @@ -292,9 +292,9 @@ static int bfs_add_entry(struct inode *dir, const struct qstr *child, int ino) pos = (block - sblock) * BFS_BSIZE + off; if (pos >= dir->i_size) { dir->i_size += BFS_DIRENT_SIZE; - dir->i_ctime = current_time(dir); + inode_set_ctime_current(dir); } - dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); de->ino = cpu_to_le16((u16)ino); for (i = 0; i < BFS_NAMELEN; i++) diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index 1926bec2c850..e6a76ae9eb44 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -82,10 +82,9 @@ struct inode *bfs_iget(struct super_block *sb, unsigned long ino) inode->i_blocks = BFS_FILEBLOCKS(di); inode->i_atime.tv_sec = le32_to_cpu(di->i_atime); inode->i_mtime.tv_sec = le32_to_cpu(di->i_mtime); - inode->i_ctime.tv_sec = le32_to_cpu(di->i_ctime); + inode_set_ctime(inode, le32_to_cpu(di->i_ctime), 0); inode->i_atime.tv_nsec = 0; inode->i_mtime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; brelse(bh); unlock_new_inode(inode); @@ -143,7 +142,7 @@ static int bfs_write_inode(struct inode *inode, struct writeback_control *wbc) di->i_nlink = cpu_to_le32(inode->i_nlink); di->i_atime = cpu_to_le32(inode->i_atime.tv_sec); di->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec); - di->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec); + di->i_ctime = cpu_to_le32(inode_get_ctime(inode).tv_sec); i_sblock = BFS_I(inode)->i_sblock; di->i_sblock = cpu_to_le32(i_sblock); di->i_eblock = cpu_to_le32(BFS_I(inode)->i_eblock); diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index bb202ad369d5..e0108d17b085 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -547,8 +547,7 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode) if (inode) { inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = - current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } return inode; } diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 030ab44fce18..82324c327a50 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -441,13 +441,23 @@ void btrfs_wait_block_group_cache_progress(struct btrfs_block_group *cache, u64 num_bytes) { struct btrfs_caching_control *caching_ctl; + int progress; caching_ctl = btrfs_get_caching_control(cache); if (!caching_ctl) return; + /* + * We've already failed to allocate from this block group, so even if + * there's enough space in the block group it isn't contiguous enough to + * allow for an allocation, so wait for at least the next wakeup tick, + * or for the thing to be done. + */ + progress = atomic_read(&caching_ctl->progress); + wait_event(caching_ctl->wait, btrfs_block_group_done(cache) || - (cache->free_space_ctl->free_space >= num_bytes)); + (progress != atomic_read(&caching_ctl->progress) && + (cache->free_space_ctl->free_space >= num_bytes))); btrfs_put_caching_control(caching_ctl); } @@ -802,8 +812,10 @@ next: if (total_found > CACHING_CTL_WAKE_UP) { total_found = 0; - if (wakeup) + if (wakeup) { + atomic_inc(&caching_ctl->progress); wake_up(&caching_ctl->wait); + } } } path->slots[0]++; @@ -910,6 +922,7 @@ int btrfs_cache_block_group(struct btrfs_block_group *cache, bool wait) init_waitqueue_head(&caching_ctl->wait); caching_ctl->block_group = cache; refcount_set(&caching_ctl->count, 2); + atomic_set(&caching_ctl->progress, 0); btrfs_init_work(&caching_ctl->work, caching_thread, NULL, NULL); spin_lock(&cache->lock); diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h index aba5dff66c19..74b61e663028 100644 --- a/fs/btrfs/block-group.h +++ b/fs/btrfs/block-group.h @@ -90,6 +90,8 @@ struct btrfs_caching_control { wait_queue_head_t wait; struct btrfs_work work; struct btrfs_block_group *block_group; + /* Track progress of caching during allocation. */ + atomic_t progress; refcount_t count; }; diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f2d2b313bde5..9419f4e37a58 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -443,6 +443,7 @@ struct btrfs_drop_extents_args { struct btrfs_file_private { void *filldir_buf; + u64 last_index; struct extent_state *llseek_cached_state; }; diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 6b457b010cbc..d37c066f2df7 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1632,6 +1632,7 @@ int btrfs_inode_delayed_dir_index_count(struct btrfs_inode *inode) } bool btrfs_readdir_get_delayed_items(struct inode *inode, + u64 last_index, struct list_head *ins_list, struct list_head *del_list) { @@ -1651,14 +1652,14 @@ bool btrfs_readdir_get_delayed_items(struct inode *inode, mutex_lock(&delayed_node->mutex); item = __btrfs_first_delayed_insertion_item(delayed_node); - while (item) { + while (item && item->index <= last_index) { refcount_inc(&item->refs); list_add_tail(&item->readdir_list, ins_list); item = __btrfs_next_delayed_item(item); } item = __btrfs_first_delayed_deletion_item(delayed_node); - while (item) { + while (item && item->index <= last_index) { refcount_inc(&item->refs); list_add_tail(&item->readdir_list, del_list); item = __btrfs_next_delayed_item(item); @@ -1808,9 +1809,9 @@ static void fill_stack_inode_item(struct btrfs_trans_handle *trans, inode->i_mtime.tv_nsec); btrfs_set_stack_timespec_sec(&inode_item->ctime, - inode->i_ctime.tv_sec); + inode_get_ctime(inode).tv_sec); btrfs_set_stack_timespec_nsec(&inode_item->ctime, - inode->i_ctime.tv_nsec); + inode_get_ctime(inode).tv_nsec); btrfs_set_stack_timespec_sec(&inode_item->otime, BTRFS_I(inode)->i_otime.tv_sec); @@ -1861,8 +1862,8 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev) inode->i_mtime.tv_sec = btrfs_stack_timespec_sec(&inode_item->mtime); inode->i_mtime.tv_nsec = btrfs_stack_timespec_nsec(&inode_item->mtime); - inode->i_ctime.tv_sec = btrfs_stack_timespec_sec(&inode_item->ctime); - inode->i_ctime.tv_nsec = btrfs_stack_timespec_nsec(&inode_item->ctime); + inode_set_ctime(inode, btrfs_stack_timespec_sec(&inode_item->ctime), + btrfs_stack_timespec_nsec(&inode_item->ctime)); BTRFS_I(inode)->i_otime.tv_sec = btrfs_stack_timespec_sec(&inode_item->otime); diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h index 4f21daa3dbc7..dc1085b2a397 100644 --- a/fs/btrfs/delayed-inode.h +++ b/fs/btrfs/delayed-inode.h @@ -148,6 +148,7 @@ void btrfs_destroy_delayed_inodes(struct btrfs_fs_info *fs_info); /* Used for readdir() */ bool btrfs_readdir_get_delayed_items(struct inode *inode, + u64 last_index, struct list_head *ins_list, struct list_head *del_list); void btrfs_readdir_put_delayed_items(struct inode *inode, diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 9b9914e5f03d..a9a2c5446c18 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1103,7 +1103,8 @@ static int btrfs_init_fs_root(struct btrfs_root *root, dev_t anon_dev) btrfs_drew_lock_init(&root->snapshot_lock); if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID && - !btrfs_is_data_reloc_root(root)) { + !btrfs_is_data_reloc_root(root) && + is_fstree(root->root_key.objectid)) { set_bit(BTRFS_ROOT_SHAREABLE, &root->state); btrfs_check_and_init_root_item(&root->root_item); } @@ -1300,6 +1301,16 @@ static struct btrfs_root *btrfs_get_root_ref(struct btrfs_fs_info *fs_info, root = btrfs_get_global_root(fs_info, objectid); if (root) return root; + + /* + * If we're called for non-subvolume trees, and above function didn't + * find one, do not try to read it from disk. + * + * This is namely for free-space-tree and quota tree, which can change + * at runtime and should only be grabbed from fs_info. + */ + if (!is_fstree(objectid) && objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) + return ERR_PTR(-ENOENT); again: root = btrfs_lookup_fs_root(fs_info, objectid); if (root) { diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 911908ea5f6f..f396a9afa403 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4310,8 +4310,11 @@ have_block_group: ret = 0; } - if (unlikely(block_group->cached == BTRFS_CACHE_ERROR)) + if (unlikely(block_group->cached == BTRFS_CACHE_ERROR)) { + if (!cache_block_group_error) + cache_block_group_error = -EIO; goto loop; + } if (!find_free_extent_check_size_class(ffe_ctl, block_group)) goto loop; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index a91d5ad27984..90ad3006ef3a 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -902,7 +902,30 @@ static void submit_extent_page(struct btrfs_bio_ctrl *bio_ctrl, size -= len; pg_offset += len; disk_bytenr += len; - bio_ctrl->len_to_oe_boundary -= len; + + /* + * len_to_oe_boundary defaults to U32_MAX, which isn't page or + * sector aligned. alloc_new_bio() then sets it to the end of + * our ordered extent for writes into zoned devices. + * + * When len_to_oe_boundary is tracking an ordered extent, we + * trust the ordered extent code to align things properly, and + * the check above to cap our write to the ordered extent + * boundary is correct. + * + * When len_to_oe_boundary is U32_MAX, the cap above would + * result in a 4095 byte IO for the last page right before + * we hit the bio limit of UINT_MAX. bio_add_page() has all + * the checks required to make sure we don't overflow the bio, + * and we should just ignore len_to_oe_boundary completely + * unless we're using it to track an ordered extent. + * + * It's pretty hard to make a bio sized U32_MAX, but it can + * happen when the page cache is able to feed us contiguous + * pages for large extents. + */ + if (bio_ctrl->len_to_oe_boundary != U32_MAX) + bio_ctrl->len_to_oe_boundary -= len; /* Ordered extent boundary: move on to a new bio. */ if (bio_ctrl->len_to_oe_boundary == 0) @@ -2145,6 +2168,12 @@ retry: continue; } + if (!folio_test_dirty(folio)) { + /* Someone wrote it for us. */ + folio_unlock(folio); + continue; + } + if (wbc->sync_mode != WB_SYNC_NONE) { if (folio_test_writeback(folio)) submit_write_bio(bio_ctrl, 0); @@ -2164,11 +2193,12 @@ retry: } /* - * the filesystem may choose to bump up nr_to_write. + * The filesystem may choose to bump up nr_to_write. * We have to make sure to honor the new nr_to_write - * at any time + * at any time. */ - nr_to_write_done = wbc->nr_to_write <= 0; + nr_to_write_done = (wbc->sync_mode == WB_SYNC_NONE && + wbc->nr_to_write <= 0); } folio_batch_release(&fbatch); cond_resched(); diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 0cdb3e86f29b..a6d8368ed0ed 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -760,8 +760,6 @@ void btrfs_drop_extent_map_range(struct btrfs_inode *inode, u64 start, u64 end, if (skip_pinned && test_bit(EXTENT_FLAG_PINNED, &em->flags)) { start = em_end; - if (end != (u64)-1) - len = start + len - em_end; goto next; } @@ -829,8 +827,8 @@ void btrfs_drop_extent_map_range(struct btrfs_inode *inode, u64 start, u64 end, if (!split) goto remove_em; } - split->start = start + len; - split->len = em_end - (start + len); + split->start = end; + split->len = em_end - end; split->block_start = em->block_start; split->flags = flags; split->compress_type = em->compress_type; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index fd03e689a6be..b9e75c9f95ac 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1106,24 +1106,6 @@ void btrfs_check_nocow_unlock(struct btrfs_inode *inode) btrfs_drew_write_unlock(&inode->root->snapshot_lock); } -static void update_time_for_write(struct inode *inode) -{ - struct timespec64 now; - - if (IS_NOCMTIME(inode)) - return; - - now = current_time(inode); - if (!timespec64_equal(&inode->i_mtime, &now)) - inode->i_mtime = now; - - if (!timespec64_equal(&inode->i_ctime, &now)) - inode->i_ctime = now; - - if (IS_I_VERSION(inode)) - inode_inc_iversion(inode); -} - static int btrfs_write_check(struct kiocb *iocb, struct iov_iter *from, size_t count) { @@ -1155,7 +1137,10 @@ static int btrfs_write_check(struct kiocb *iocb, struct iov_iter *from, * need to start yet another transaction to update the inode as we will * update the inode when we finish writing whatever data we write. */ - update_time_for_write(inode); + if (!IS_NOCMTIME(inode)) { + inode->i_mtime = inode_set_ctime_current(inode); + inode_inc_iversion(inode); + } start_pos = round_down(pos, fs_info->sectorsize); oldsize = i_size_read(inode); @@ -2459,10 +2444,8 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode, */ inode_inc_iversion(&inode->vfs_inode); - if (!extent_info || extent_info->update_times) { - inode->vfs_inode.i_mtime = current_time(&inode->vfs_inode); - inode->vfs_inode.i_ctime = inode->vfs_inode.i_mtime; - } + if (!extent_info || extent_info->update_times) + inode->vfs_inode.i_mtime = inode_set_ctime_current(&inode->vfs_inode); ret = btrfs_update_inode(trans, root, inode); if (ret) @@ -2703,8 +2686,7 @@ static int btrfs_punch_hole(struct file *file, loff_t offset, loff_t len) ASSERT(trans != NULL); inode_inc_iversion(inode); - inode->i_mtime = current_time(inode); - inode->i_ctime = inode->i_mtime; + inode->i_mtime = inode_set_ctime_current(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); updated_inode = true; btrfs_end_transaction(trans); @@ -2721,11 +2703,10 @@ out_only_mutex: * for detecting, at fsync time, if the inode isn't yet in the * log tree or it's there but not up to date. */ - struct timespec64 now = current_time(inode); + struct timespec64 now = inode_set_ctime_current(inode); inode_inc_iversion(inode); inode->i_mtime = now; - inode->i_ctime = now; trans = btrfs_start_transaction(root, 1); if (IS_ERR(trans)) { ret = PTR_ERR(trans); @@ -2796,7 +2777,7 @@ static int btrfs_fallocate_update_isize(struct inode *inode, if (IS_ERR(trans)) return PTR_ERR(trans); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); i_size_write(inode, end); btrfs_inode_safe_disk_i_size_write(BTRFS_I(inode), 0); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 49cef61f6a39..4e987fe6d648 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1654,8 +1654,6 @@ out_unlock: clear_bits, page_ops); start += cur_alloc_size; - if (start >= end) - return ret; } /* @@ -1664,9 +1662,11 @@ out_unlock: * space_info's bytes_may_use counter, reserved in * btrfs_check_data_free_space(). */ - extent_clear_unlock_delalloc(inode, start, end, locked_page, - clear_bits | EXTENT_CLEAR_DATA_RESV, - page_ops); + if (start < end) { + clear_bits |= EXTENT_CLEAR_DATA_RESV; + extent_clear_unlock_delalloc(inode, start, end, locked_page, + clear_bits, page_ops); + } return ret; } @@ -3917,8 +3917,8 @@ static int btrfs_read_locked_inode(struct inode *inode, inode->i_mtime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->mtime); inode->i_mtime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->mtime); - inode->i_ctime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->ctime); - inode->i_ctime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->ctime); + inode_set_ctime(inode, btrfs_timespec_sec(leaf, &inode_item->ctime), + btrfs_timespec_nsec(leaf, &inode_item->ctime)); BTRFS_I(inode)->i_otime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->otime); @@ -4089,9 +4089,9 @@ static void fill_inode_item(struct btrfs_trans_handle *trans, inode->i_mtime.tv_nsec); btrfs_set_token_timespec_sec(&token, &item->ctime, - inode->i_ctime.tv_sec); + inode_get_ctime(inode).tv_sec); btrfs_set_token_timespec_nsec(&token, &item->ctime, - inode->i_ctime.tv_nsec); + inode_get_ctime(inode).tv_nsec); btrfs_set_token_timespec_sec(&token, &item->otime, BTRFS_I(inode)->i_otime.tv_sec); @@ -4289,9 +4289,8 @@ err: btrfs_i_size_write(dir, dir->vfs_inode.i_size - name->len * 2); inode_inc_iversion(&inode->vfs_inode); inode_inc_iversion(&dir->vfs_inode); - inode->vfs_inode.i_ctime = current_time(&inode->vfs_inode); - dir->vfs_inode.i_mtime = inode->vfs_inode.i_ctime; - dir->vfs_inode.i_ctime = inode->vfs_inode.i_ctime; + inode_set_ctime_current(&inode->vfs_inode); + dir->vfs_inode.i_mtime = inode_set_ctime_current(&dir->vfs_inode); ret = btrfs_update_inode(trans, root, dir); out: return ret; @@ -4464,8 +4463,7 @@ static int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, btrfs_i_size_write(dir, dir->vfs_inode.i_size - fname.disk_name.len * 2); inode_inc_iversion(&dir->vfs_inode); - dir->vfs_inode.i_mtime = current_time(&dir->vfs_inode); - dir->vfs_inode.i_ctime = dir->vfs_inode.i_mtime; + dir->vfs_inode.i_mtime = inode_set_ctime_current(&dir->vfs_inode); ret = btrfs_update_inode_fallback(trans, root, dir); if (ret) btrfs_abort_transaction(trans, ret); @@ -5115,8 +5113,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr) if (newsize != oldsize) { inode_inc_iversion(inode); if (!(mask & (ATTR_CTIME | ATTR_MTIME))) { - inode->i_mtime = current_time(inode); - inode->i_ctime = inode->i_mtime; + inode->i_mtime = inode_set_ctime_current(inode); } } @@ -5760,9 +5757,8 @@ static struct inode *new_simple_dir(struct super_block *s, inode->i_opflags &= ~IOP_XATTR; inode->i_fop = &simple_dir_operations; inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO; - inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); inode->i_atime = inode->i_mtime; - inode->i_ctime = inode->i_mtime; BTRFS_I(inode)->i_otime = inode->i_mtime; return inode; @@ -5873,6 +5869,74 @@ static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry, } /* + * Find the highest existing sequence number in a directory and then set the + * in-memory index_cnt variable to the first free sequence number. + */ +static int btrfs_set_inode_index_count(struct btrfs_inode *inode) +{ + struct btrfs_root *root = inode->root; + struct btrfs_key key, found_key; + struct btrfs_path *path; + struct extent_buffer *leaf; + int ret; + + key.objectid = btrfs_ino(inode); + key.type = BTRFS_DIR_INDEX_KEY; + key.offset = (u64)-1; + + path = btrfs_alloc_path(); + if (!path) + return -ENOMEM; + + ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + if (ret < 0) + goto out; + /* FIXME: we should be able to handle this */ + if (ret == 0) + goto out; + ret = 0; + + if (path->slots[0] == 0) { + inode->index_cnt = BTRFS_DIR_START_INDEX; + goto out; + } + + path->slots[0]--; + + leaf = path->nodes[0]; + btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); + + if (found_key.objectid != btrfs_ino(inode) || + found_key.type != BTRFS_DIR_INDEX_KEY) { + inode->index_cnt = BTRFS_DIR_START_INDEX; + goto out; + } + + inode->index_cnt = found_key.offset + 1; +out: + btrfs_free_path(path); + return ret; +} + +static int btrfs_get_dir_last_index(struct btrfs_inode *dir, u64 *index) +{ + if (dir->index_cnt == (u64)-1) { + int ret; + + ret = btrfs_inode_delayed_dir_index_count(dir); + if (ret) { + ret = btrfs_set_inode_index_count(dir); + if (ret) + return ret; + } + } + + *index = dir->index_cnt; + + return 0; +} + +/* * All this infrastructure exists because dir_emit can fault, and we are holding * the tree lock when doing readdir. For now just allocate a buffer and copy * our information into that, and then dir_emit from the buffer. This is @@ -5884,10 +5948,17 @@ static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry, static int btrfs_opendir(struct inode *inode, struct file *file) { struct btrfs_file_private *private; + u64 last_index; + int ret; + + ret = btrfs_get_dir_last_index(BTRFS_I(inode), &last_index); + if (ret) + return ret; private = kzalloc(sizeof(struct btrfs_file_private), GFP_KERNEL); if (!private) return -ENOMEM; + private->last_index = last_index; private->filldir_buf = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!private->filldir_buf) { kfree(private); @@ -5954,7 +6025,8 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) INIT_LIST_HEAD(&ins_list); INIT_LIST_HEAD(&del_list); - put = btrfs_readdir_get_delayed_items(inode, &ins_list, &del_list); + put = btrfs_readdir_get_delayed_items(inode, private->last_index, + &ins_list, &del_list); again: key.type = BTRFS_DIR_INDEX_KEY; @@ -5972,6 +6044,8 @@ again: break; if (found_key.offset < ctx->pos) continue; + if (found_key.offset > private->last_index) + break; if (btrfs_should_delete_dir_index(&del_list, found_key.offset)) continue; di = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dir_item); @@ -6087,8 +6161,7 @@ static int btrfs_dirty_inode(struct btrfs_inode *inode) * This is a copy of file_update_time. We need this so we can return error on * ENOSPC for updating the inode in the case of file write and mmap writes. */ -static int btrfs_update_time(struct inode *inode, struct timespec64 *now, - int flags) +static int btrfs_update_time(struct inode *inode, int flags) { struct btrfs_root *root = BTRFS_I(inode)->root; bool dirty = flags & ~S_VERSION; @@ -6096,69 +6169,11 @@ static int btrfs_update_time(struct inode *inode, struct timespec64 *now, if (btrfs_root_readonly(root)) return -EROFS; - if (flags & S_VERSION) - dirty |= inode_maybe_inc_iversion(inode, dirty); - if (flags & S_CTIME) - inode->i_ctime = *now; - if (flags & S_MTIME) - inode->i_mtime = *now; - if (flags & S_ATIME) - inode->i_atime = *now; + dirty = inode_update_timestamps(inode, flags); return dirty ? btrfs_dirty_inode(BTRFS_I(inode)) : 0; } /* - * find the highest existing sequence number in a directory - * and then set the in-memory index_cnt variable to reflect - * free sequence numbers - */ -static int btrfs_set_inode_index_count(struct btrfs_inode *inode) -{ - struct btrfs_root *root = inode->root; - struct btrfs_key key, found_key; - struct btrfs_path *path; - struct extent_buffer *leaf; - int ret; - - key.objectid = btrfs_ino(inode); - key.type = BTRFS_DIR_INDEX_KEY; - key.offset = (u64)-1; - - path = btrfs_alloc_path(); - if (!path) - return -ENOMEM; - - ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); - if (ret < 0) - goto out; - /* FIXME: we should be able to handle this */ - if (ret == 0) - goto out; - ret = 0; - - if (path->slots[0] == 0) { - inode->index_cnt = BTRFS_DIR_START_INDEX; - goto out; - } - - path->slots[0]--; - - leaf = path->nodes[0]; - btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); - - if (found_key.objectid != btrfs_ino(inode) || - found_key.type != BTRFS_DIR_INDEX_KEY) { - inode->index_cnt = BTRFS_DIR_START_INDEX; - goto out; - } - - inode->index_cnt = found_key.offset + 1; -out: - btrfs_free_path(path); - return ret; -} - -/* * helper to find a free sequence number in a given directory. This current * code is very simple, later versions will do smarter things in the btree */ @@ -6402,9 +6417,8 @@ int btrfs_create_new_inode(struct btrfs_trans_handle *trans, goto discard; } - inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); inode->i_atime = inode->i_mtime; - inode->i_ctime = inode->i_mtime; BTRFS_I(inode)->i_otime = inode->i_mtime; /* @@ -6569,12 +6583,10 @@ int btrfs_add_link(struct btrfs_trans_handle *trans, * log replay procedure is responsible for setting them to their correct * values (the ones it had when the fsync was done). */ - if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { - struct timespec64 now = current_time(&parent_inode->vfs_inode); + if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) + parent_inode->vfs_inode.i_mtime = + inode_set_ctime_current(&parent_inode->vfs_inode); - parent_inode->vfs_inode.i_mtime = now; - parent_inode->vfs_inode.i_ctime = now; - } ret = btrfs_update_inode(trans, root, parent_inode); if (ret) btrfs_abort_transaction(trans, ret); @@ -6714,7 +6726,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, BTRFS_I(inode)->dir_index = 0ULL; inc_nlink(inode); inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ihold(inode); set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags); @@ -8780,7 +8792,7 @@ static int btrfs_getattr(struct mnt_idmap *idmap, STATX_ATTR_IMMUTABLE | STATX_ATTR_NODUMP); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); stat->dev = BTRFS_I(inode)->root->anon_dev; spin_lock(&BTRFS_I(inode)->lock); @@ -8804,7 +8816,6 @@ static int btrfs_rename_exchange(struct inode *old_dir, struct btrfs_root *dest = BTRFS_I(new_dir)->root; struct inode *new_inode = new_dentry->d_inode; struct inode *old_inode = old_dentry->d_inode; - struct timespec64 ctime = current_time(old_inode); struct btrfs_rename_ctx old_rename_ctx; struct btrfs_rename_ctx new_rename_ctx; u64 old_ino = btrfs_ino(BTRFS_I(old_inode)); @@ -8935,12 +8946,7 @@ static int btrfs_rename_exchange(struct inode *old_dir, inode_inc_iversion(new_dir); inode_inc_iversion(old_inode); inode_inc_iversion(new_inode); - old_dir->i_mtime = ctime; - old_dir->i_ctime = ctime; - new_dir->i_mtime = ctime; - new_dir->i_ctime = ctime; - old_inode->i_ctime = ctime; - new_inode->i_ctime = ctime; + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); if (old_dentry->d_parent != new_dentry->d_parent) { btrfs_record_unlink_dir(trans, BTRFS_I(old_dir), @@ -9204,11 +9210,7 @@ static int btrfs_rename(struct mnt_idmap *idmap, inode_inc_iversion(old_dir); inode_inc_iversion(new_dir); inode_inc_iversion(old_inode); - old_dir->i_mtime = current_time(old_dir); - old_dir->i_ctime = old_dir->i_mtime; - new_dir->i_mtime = old_dir->i_mtime; - new_dir->i_ctime = old_dir->i_mtime; - old_inode->i_ctime = old_dir->i_mtime; + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); if (old_dentry->d_parent != new_dentry->d_parent) btrfs_record_unlink_dir(trans, BTRFS_I(old_dir), @@ -9230,7 +9232,6 @@ static int btrfs_rename(struct mnt_idmap *idmap, if (new_inode) { inode_inc_iversion(new_inode); - new_inode->i_ctime = current_time(new_inode); if (unlikely(btrfs_ino(BTRFS_I(new_inode)) == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)) { ret = btrfs_unlink_subvol(trans, BTRFS_I(new_dir), new_dentry); @@ -9770,7 +9771,7 @@ next: *alloc_hint = ins.objectid + ins.offset; inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); BTRFS_I(inode)->flags |= BTRFS_INODE_PREALLOC; if (!(mode & FALLOC_FL_KEEP_SIZE) && (actual_len > inode->i_size) && diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index a895d105464b..a18ee7b5a166 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -384,7 +384,7 @@ update_flags: binode->flags = binode_flags; btrfs_sync_inode_flags_to_i_flags(inode); inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); out_end_trans: diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c index 0474bbe39da7..65d2bd6910f2 100644 --- a/fs/btrfs/reflink.c +++ b/fs/btrfs/reflink.c @@ -30,8 +30,7 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans, inode_inc_iversion(inode); if (!no_time_update) { - inode->i_mtime = current_time(inode); - inode->i_ctime = inode->i_mtime; + inode->i_mtime = inode_set_ctime_current(inode); } /* * We round up to the block size at eof when determining which diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 25a3361caedc..46c3c1d57266 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -1916,7 +1916,39 @@ again: err = PTR_ERR(root); break; } - ASSERT(root->reloc_root == reloc_root); + + if (unlikely(root->reloc_root != reloc_root)) { + if (root->reloc_root) { + btrfs_err(fs_info, +"reloc tree mismatch, root %lld has reloc root key (%lld %u %llu) gen %llu, expect reloc root key (%lld %u %llu) gen %llu", + root->root_key.objectid, + root->reloc_root->root_key.objectid, + root->reloc_root->root_key.type, + root->reloc_root->root_key.offset, + btrfs_root_generation( + &root->reloc_root->root_item), + reloc_root->root_key.objectid, + reloc_root->root_key.type, + reloc_root->root_key.offset, + btrfs_root_generation( + &reloc_root->root_item)); + } else { + btrfs_err(fs_info, +"reloc tree mismatch, root %lld has no reloc root, expect reloc root key (%lld %u %llu) gen %llu", + root->root_key.objectid, + reloc_root->root_key.objectid, + reloc_root->root_key.type, + reloc_root->root_key.offset, + btrfs_root_generation( + &reloc_root->root_item)); + } + list_add(&reloc_root->root_list, &reloc_roots); + btrfs_put_root(root); + btrfs_abort_transaction(trans, -EUCLEAN); + if (!err) + err = -EUCLEAN; + break; + } /* * set reference count to 1, so btrfs_recover_relocation @@ -1989,7 +2021,7 @@ again: root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset, false); if (btrfs_root_refs(&reloc_root->root_item) > 0) { - if (IS_ERR(root)) { + if (WARN_ON(IS_ERR(root))) { /* * For recovery we read the fs roots on mount, * and if we didn't find the root then we marked @@ -1998,17 +2030,14 @@ again: * memory. However there's no reason we can't * handle the error properly here just in case. */ - ASSERT(0); ret = PTR_ERR(root); goto out; } - if (root->reloc_root != reloc_root) { + if (WARN_ON(root->reloc_root != reloc_root)) { /* - * This is actually impossible without something - * going really wrong (like weird race condition - * or cosmic rays). + * This can happen if on-disk metadata has some + * corruption, e.g. bad reloc tree key offset. */ - ASSERT(0); ret = -EINVAL; goto out; } diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 4cae41bd6de0..7289f5bff397 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -605,7 +605,8 @@ static void scrub_verify_one_metadata(struct scrub_stripe *stripe, int sector_nr btrfs_stack_header_bytenr(header), logical); return; } - if (memcmp(header->fsid, fs_info->fs_devices->fsid, BTRFS_FSID_SIZE) != 0) { + if (memcmp(header->fsid, fs_info->fs_devices->metadata_uuid, + BTRFS_FSID_SIZE) != 0) { bitmap_set(&stripe->meta_error_bitmap, sector_nr, sectors_per_tree); bitmap_set(&stripe->error_bitmap, sector_nr, sectors_per_tree); btrfs_warn_rl(fs_info, diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index f1dd172d8d5b..8eda51b095c9 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2144,7 +2144,7 @@ static struct file_system_type btrfs_fs_type = { .name = "btrfs", .mount = btrfs_mount, .kill_sb = btrfs_kill_super, - .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA, + .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | FS_MGTIME, }; static struct file_system_type btrfs_root_fs_type = { @@ -2152,7 +2152,8 @@ static struct file_system_type btrfs_root_fs_type = { .name = "btrfs", .mount = btrfs_mount_root, .kill_sb = btrfs_kill_super, - .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | FS_ALLOW_IDMAP, + .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | + FS_ALLOW_IDMAP | FS_MGTIME, }; MODULE_ALIAS_FS("btrfs"); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 91b6c2fdc420..a10e38c2609f 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1837,8 +1837,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_i_size_write(BTRFS_I(parent_inode), parent_inode->i_size + fname.disk_name.len * 2); - parent_inode->i_mtime = current_time(parent_inode); - parent_inode->i_ctime = parent_inode->i_mtime; + parent_inode->i_mtime = inode_set_ctime_current(parent_inode); ret = btrfs_update_inode_fallback(trans, parent_root, BTRFS_I(parent_inode)); if (ret) { btrfs_abort_transaction(trans, ret); diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 038dfa8f1788..ab08a0b01311 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -446,6 +446,20 @@ static int check_root_key(struct extent_buffer *leaf, struct btrfs_key *key, btrfs_item_key_to_cpu(leaf, &item_key, slot); is_root_item = (item_key.type == BTRFS_ROOT_ITEM_KEY); + /* + * Bad rootid for reloc trees. + * + * Reloc trees are only for subvolume trees, other trees only need + * to be COWed to be relocated. + */ + if (unlikely(is_root_item && key->objectid == BTRFS_TREE_RELOC_OBJECTID && + !is_fstree(key->offset))) { + generic_err(leaf, slot, + "invalid reloc tree for root %lld, root id is not a subvolume tree", + key->offset); + return -EUCLEAN; + } + /* No such tree id */ if (unlikely(key->objectid == 0)) { if (is_root_item) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 365a1cc0a3c3..ffcff7188170 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4148,9 +4148,9 @@ static void fill_inode_item(struct btrfs_trans_handle *trans, inode->i_mtime.tv_nsec); btrfs_set_token_timespec_sec(&token, &item->ctime, - inode->i_ctime.tv_sec); + inode_get_ctime(inode).tv_sec); btrfs_set_token_timespec_nsec(&token, &item->ctime, - inode->i_ctime.tv_nsec); + inode_get_ctime(inode).tv_nsec); /* * We do not need to set the nbytes field, in fact during a fast fsync diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 2ecb76cf3d91..f6718999d183 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1917,15 +1917,13 @@ out: static void update_dev_time(const char *device_path) { struct path path; - struct timespec64 now; int ret; ret = kern_path(device_path, LOOKUP_FOLLOW, &path); if (ret) return; - now = current_time(d_inode(path.dentry)); - inode_update_time(d_inode(path.dentry), &now, S_MTIME | S_CTIME | S_VERSION); + inode_update_time(d_inode(path.dentry), S_MTIME | S_CTIME | S_VERSION); path_put(&path); } @@ -4638,8 +4636,7 @@ int btrfs_cancel_balance(struct btrfs_fs_info *fs_info) } } - BUG_ON(fs_info->balance_ctl || - test_bit(BTRFS_FS_BALANCE_RUNNING, &fs_info->flags)); + ASSERT(!test_bit(BTRFS_FS_BALANCE_RUNNING, &fs_info->flags)); atomic_dec(&fs_info->balance_cancel_req); mutex_unlock(&fs_info->balance_mutex); return 0; diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index fc4b20c2688a..96828a13dd43 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -264,7 +264,7 @@ int btrfs_setxattr_trans(struct inode *inode, const char *name, goto out; inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); if (ret) btrfs_abort_transaction(trans, ret); @@ -407,7 +407,7 @@ static int btrfs_xattr_handler_set_prop(const struct xattr_handler *handler, ret = btrfs_set_prop(trans, inode, name, value, size, flags); if (!ret) { inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); if (ret) btrfs_abort_transaction(trans, ret); diff --git a/fs/buffer.c b/fs/buffer.c index bd091329026c..084a6ade108a 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -49,6 +49,7 @@ #include <trace/events/block.h> #include <linux/fscrypt.h> #include <linux/fsverity.h> +#include <linux/sched/isolation.h> #include "internal.h" @@ -1225,19 +1226,14 @@ EXPORT_SYMBOL(mark_buffer_dirty); void mark_buffer_write_io_error(struct buffer_head *bh) { - struct super_block *sb; - set_buffer_write_io_error(bh); /* FIXME: do we need to set this in both places? */ if (bh->b_folio && bh->b_folio->mapping) mapping_set_error(bh->b_folio->mapping, -EIO); - if (bh->b_assoc_map) + if (bh->b_assoc_map) { mapping_set_error(bh->b_assoc_map, -EIO); - rcu_read_lock(); - sb = READ_ONCE(bh->b_bdev->bd_super); - if (sb) - errseq_set(&sb->s_wb_err, -EIO); - rcu_read_unlock(); + errseq_set(&bh->b_assoc_map->host->i_sb->s_wb_err, -EIO); + } } EXPORT_SYMBOL(mark_buffer_write_io_error); @@ -1352,7 +1348,7 @@ static void bh_lru_install(struct buffer_head *bh) * failing page migration. * Skip putting upcoming bh into bh_lru until migration is done. */ - if (lru_cache_disabled()) { + if (lru_cache_disabled() || cpu_is_isolated(smp_processor_id())) { bh_lru_unlock(); return; } @@ -1382,6 +1378,10 @@ lookup_bh_lru(struct block_device *bdev, sector_t block, unsigned size) check_irqs_on(); bh_lru_lock(); + if (cpu_is_isolated(smp_processor_id())) { + bh_lru_unlock(); + return NULL; + } for (i = 0; i < BH_LRU_SIZE; i++) { struct buffer_head *bh = __this_cpu_read(bh_lrus.bhs[i]); diff --git a/fs/cachefiles/io.c b/fs/cachefiles/io.c index 175a25fcade8..009d23cd435b 100644 --- a/fs/cachefiles/io.c +++ b/fs/cachefiles/io.c @@ -259,9 +259,7 @@ static void cachefiles_write_complete(struct kiocb *iocb, long ret) _enter("%ld", ret); - /* Tell lockdep we inherited freeze protection from submission thread */ - __sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE); - __sb_end_write(inode->i_sb, SB_FREEZE_WRITE); + kiocb_end_write(iocb); if (ret < 0) trace_cachefiles_io_error(object, inode, ret, @@ -286,7 +284,6 @@ int __cachefiles_write(struct cachefiles_object *object, { struct cachefiles_cache *cache; struct cachefiles_kiocb *ki; - struct inode *inode; unsigned int old_nofs; ssize_t ret; size_t len = iov_iter_count(iter); @@ -322,19 +319,12 @@ int __cachefiles_write(struct cachefiles_object *object, ki->iocb.ki_complete = cachefiles_write_complete; atomic_long_add(ki->b_writing, &cache->b_writing); - /* Open-code file_start_write here to grab freeze protection, which - * will be released by another thread in aio_complete_rw(). Fool - * lockdep by telling it the lock got released so that it doesn't - * complain about the held lock when we return to userspace. - */ - inode = file_inode(file); - __sb_start_write(inode->i_sb, SB_FREEZE_WRITE); - __sb_writers_release(inode->i_sb, SB_FREEZE_WRITE); + kiocb_start_write(&ki->iocb); get_file(ki->iocb.ki_filp); cachefiles_grab_object(object, cachefiles_obj_get_ioreq); - trace_cachefiles_write(object, inode, ki->iocb.ki_pos, len); + trace_cachefiles_write(object, file_inode(file), ki->iocb.ki_pos, len); old_nofs = memalloc_nofs_save(); ret = cachefiles_inject_write_error(); if (ret == 0) diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c index 6945a938d396..c91b293267d7 100644 --- a/fs/ceph/acl.c +++ b/fs/ceph/acl.c @@ -93,7 +93,7 @@ int ceph_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, char *value = NULL; struct iattr newattrs; struct inode *inode = d_inode(dentry); - struct timespec64 old_ctime = inode->i_ctime; + struct timespec64 old_ctime = inode_get_ctime(inode); umode_t new_mode = inode->i_mode, old_mode = inode->i_mode; if (ceph_snap(inode) != CEPH_NOSNAP) { diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index e2bb0d0072da..09cd6d334604 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1400,7 +1400,7 @@ static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap, arg->mtime = inode->i_mtime; arg->atime = inode->i_atime; - arg->ctime = inode->i_ctime; + arg->ctime = inode_get_ctime(inode); arg->btime = ci->i_btime; arg->change_attr = inode_peek_iversion_raw(inode); diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 8e5f41d45283..fd05d68e2990 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -100,7 +100,7 @@ struct inode *ceph_get_snapdir(struct inode *parent) inode->i_uid = parent->i_uid; inode->i_gid = parent->i_gid; inode->i_mtime = parent->i_mtime; - inode->i_ctime = parent->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(parent)); inode->i_atime = parent->i_atime; ci->i_rbytes = 0; ci->i_btime = ceph_inode(parent)->i_btime; @@ -688,6 +688,7 @@ void ceph_fill_file_time(struct inode *inode, int issued, struct timespec64 *mtime, struct timespec64 *atime) { struct ceph_inode_info *ci = ceph_inode(inode); + struct timespec64 ictime = inode_get_ctime(inode); int warn = 0; if (issued & (CEPH_CAP_FILE_EXCL| @@ -696,11 +697,11 @@ void ceph_fill_file_time(struct inode *inode, int issued, CEPH_CAP_AUTH_EXCL| CEPH_CAP_XATTR_EXCL)) { if (ci->i_version == 0 || - timespec64_compare(ctime, &inode->i_ctime) > 0) { + timespec64_compare(ctime, &ictime) > 0) { dout("ctime %lld.%09ld -> %lld.%09ld inc w/ cap\n", - inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec, + ictime.tv_sec, ictime.tv_nsec, ctime->tv_sec, ctime->tv_nsec); - inode->i_ctime = *ctime; + inode_set_ctime_to_ts(inode, *ctime); } if (ci->i_version == 0 || ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) > 0) { @@ -738,7 +739,7 @@ void ceph_fill_file_time(struct inode *inode, int issued, } else { /* we have no write|excl caps; whatever the MDS says is true */ if (ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) >= 0) { - inode->i_ctime = *ctime; + inode_set_ctime_to_ts(inode, *ctime); inode->i_mtime = *mtime; inode->i_atime = *atime; ci->i_time_warp_seq = time_warp_seq; @@ -2166,7 +2167,8 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) bool only = (ia_valid & (ATTR_SIZE|ATTR_MTIME|ATTR_ATIME| ATTR_MODE|ATTR_UID|ATTR_GID)) == 0; dout("setattr %p ctime %lld.%ld -> %lld.%ld (%s)\n", inode, - inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec, + inode_get_ctime(inode).tv_sec, + inode_get_ctime(inode).tv_nsec, attr->ia_ctime.tv_sec, attr->ia_ctime.tv_nsec, only ? "ctime only" : "ignored"); if (only) { @@ -2191,7 +2193,7 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) if (dirtied) { inode_dirty_flags = __ceph_mark_dirty_caps(ci, dirtied, &prealloc_cf); - inode->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(inode, attr->ia_ctime); inode_inc_iversion_raw(inode); } @@ -2465,7 +2467,7 @@ int ceph_getattr(struct mnt_idmap *idmap, const struct path *path, return err; } - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->ino = ceph_present_inode(inode); /* diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 343d738448dc..c9920ade15f5 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -660,7 +660,7 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci, capsnap->size = i_size_read(inode); capsnap->mtime = inode->i_mtime; capsnap->atime = inode->i_atime; - capsnap->ctime = inode->i_ctime; + capsnap->ctime = inode_get_ctime(inode); capsnap->btime = ci->i_btime; capsnap->change_attr = inode_peek_iversion_raw(inode); capsnap->time_warp_seq = ci->i_time_warp_seq; diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 806183959c47..1cbd84cc82a8 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -1238,7 +1238,7 @@ retry: dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL, &prealloc_cf); ci->i_xattrs.dirty = true; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); } spin_unlock(&ci->i_ceph_lock); diff --git a/fs/coda/coda_linux.c b/fs/coda/coda_linux.c index 903ca8fa4b9b..ae023853a98f 100644 --- a/fs/coda/coda_linux.c +++ b/fs/coda/coda_linux.c @@ -127,7 +127,8 @@ void coda_vattr_to_iattr(struct inode *inode, struct coda_vattr *attr) if (attr->va_mtime.tv_sec != -1) inode->i_mtime = coda_to_timespec64(attr->va_mtime); if (attr->va_ctime.tv_sec != -1) - inode->i_ctime = coda_to_timespec64(attr->va_ctime); + inode_set_ctime_to_ts(inode, + coda_to_timespec64(attr->va_ctime)); } diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 1b960de2bf39..cb512b10473b 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -111,7 +111,7 @@ static inline void coda_dir_update_mtime(struct inode *dir) /* optimistically we can also act as if our nose bleeds. The * granularity of the mtime is coarse anyways so we might actually be * right most of the time. Note: we only do this for directories. */ - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); #endif } diff --git a/fs/coda/file.c b/fs/coda/file.c index 12b26bd13564..42346618b4ed 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -84,7 +84,7 @@ coda_file_write_iter(struct kiocb *iocb, struct iov_iter *to) ret = vfs_iter_write(cfi->cfi_container, to, &iocb->ki_pos, 0); coda_inode->i_size = file_inode(host_file)->i_size; coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9; - coda_inode->i_mtime = coda_inode->i_ctime = current_time(coda_inode); + coda_inode->i_mtime = inode_set_ctime_current(coda_inode); inode_unlock(coda_inode); file_end_write(host_file); diff --git a/fs/coda/inode.c b/fs/coda/inode.c index d661e6cf17ac..0c7c2528791e 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -256,7 +256,8 @@ int coda_getattr(struct mnt_idmap *idmap, const struct path *path, { int err = coda_revalidate_inode(d_inode(path->dentry)); if (!err) - generic_fillattr(&nop_mnt_idmap, d_inode(path->dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, + d_inode(path->dentry), stat); return err; } @@ -269,7 +270,7 @@ int coda_setattr(struct mnt_idmap *idmap, struct dentry *de, memset(&vattr, 0, sizeof(vattr)); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); coda_iattr_to_vattr(iattr, &vattr); vattr.va_type = C_VNON; /* cannot set type */ diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 1c15edbe70ff..fbdcb3582926 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -88,8 +88,7 @@ int configfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, static inline void set_default_inode_attr(struct inode * inode, umode_t mode) { inode->i_mode = mode; - inode->i_atime = inode->i_mtime = - inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } static inline void set_inode_attr(struct inode * inode, struct iattr * iattr) @@ -99,7 +98,7 @@ static inline void set_inode_attr(struct inode * inode, struct iattr * iattr) inode->i_gid = iattr->ia_gid; inode->i_atime = iattr->ia_atime; inode->i_mtime = iattr->ia_mtime; - inode->i_ctime = iattr->ia_ctime; + inode_set_ctime_to_ts(inode, iattr->ia_ctime); } struct inode *configfs_new_inode(umode_t mode, struct configfs_dirent *sd, @@ -172,7 +171,7 @@ struct inode *configfs_create(struct dentry *dentry, umode_t mode) return ERR_PTR(-ENOMEM); p_inode = d_inode(dentry->d_parent); - p_inode->i_mtime = p_inode->i_ctime = current_time(p_inode); + p_inode->i_mtime = inode_set_ctime_current(p_inode); configfs_set_inode_lock_class(sd, inode); return inode; } diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 27c6597aa1be..5ee7d7bbb361 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -133,7 +133,8 @@ static struct inode *get_cramfs_inode(struct super_block *sb, } /* Struct copy intentional */ - inode->i_mtime = inode->i_atime = inode->i_ctime = zerotime; + inode->i_mtime = inode->i_atime = inode_set_ctime_to_ts(inode, + zerotime); /* inode->i_nlink is left 1 - arguably wrong for directories, but it's the best we can do without reading the directory contents. 1 yields the right result in GNU find, even @@ -485,12 +486,16 @@ static void cramfs_kill_sb(struct super_block *sb) { struct cramfs_sb_info *sbi = CRAMFS_SB(sb); + generic_shutdown_super(sb); + if (IS_ENABLED(CONFIG_CRAMFS_MTD) && sb->s_mtd) { if (sbi && sbi->mtd_point_size) mtd_unpoint(sb->s_mtd, 0, sbi->mtd_point_size); - kill_mtd_super(sb); + put_mtd_device(sb->s_mtd); + sb->s_mtd = NULL; } else if (IS_ENABLED(CONFIG_CRAMFS_BLOCKDEV) && sb->s_bdev) { - kill_block_super(sb); + sync_blockdev(sb->s_bdev); + blkdev_put(sb->s_bdev, sb); } kfree(sbi); } diff --git a/fs/dcache.c b/fs/dcache.c index 52e6d5fdab6b..25ac74d30bff 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1664,7 +1664,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry) if (dentry == _data && dentry->d_lockref.count == 1) return D_WALK_CONTINUE; - printk(KERN_ERR "BUG: Dentry %p{i=%lx,n=%pd} " + WARN(1, "BUG: Dentry %p{i=%lx,n=%pd} " " still in use (%d) [unmount of %s %s]\n", dentry, dentry->d_inode ? @@ -1673,7 +1673,6 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry) dentry->d_lockref.count, dentry->d_sb->s_type->name, dentry->d_sb->s_id); - WARN_ON(1); return D_WALK_CONTINUE; } @@ -3247,8 +3246,6 @@ void d_genocide(struct dentry *parent) d_walk(parent, parent, d_genocide_kill); } -EXPORT_SYMBOL(d_genocide); - void d_tmpfile(struct file *file, struct inode *inode) { struct dentry *dentry = file->f_path.dentry; diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 3f81f73c241a..83e57e9f9fa0 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -72,8 +72,7 @@ static struct inode *debugfs_get_inode(struct super_block *sb) struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_atime = inode->i_mtime = - inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } return inode; } diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index fe3db0eda8e4..299c295a27a0 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -338,7 +338,7 @@ static int mknod_ptmx(struct super_block *sb) } inode->i_ino = 2; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); mode = S_IFCHR|opts->ptmxmode; init_special_inode(inode, mode, MKDEV(TTYAUX_MAJOR, 2)); @@ -451,7 +451,7 @@ devpts_fill_super(struct super_block *s, void *data, int silent) if (!inode) goto fail; inode->i_ino = 1; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; @@ -534,12 +534,12 @@ void devpts_kill_index(struct pts_fs_info *fsi, int idx) /** * devpts_pty_new -- create a new inode in /dev/pts/ - * @ptmx_inode: inode of the master - * @device: major+minor of the node to be created + * @fsi: Filesystem info for this instance. * @index: used as a name of the node * @priv: what's given back by devpts_get_priv * - * The created inode is returned. Remove it from /dev/pts/ by devpts_pty_kill. + * The dentry for the created inode is returned. + * Remove it from /dev/pts/ with devpts_pty_kill(). */ struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv) { @@ -560,7 +560,7 @@ struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv) inode->i_ino = index + 3; inode->i_uid = opts->setuid ? opts->uid : current_fsuid(); inode->i_gid = opts->setgid ? opts->gid : current_fsgid(); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); init_special_inode(inode, S_IFCHR|opts->mode, MKDEV(UNIX98_PTY_SLAVE_MAJOR, index)); sprintf(s, "%d", index); @@ -580,7 +580,7 @@ struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv) /** * devpts_get_priv -- get private data for a slave - * @pts_inode: inode of the slave + * @dentry: dentry of the slave * * Returns whatever was passed as priv in devpts_pty_new for a given inode. */ @@ -593,7 +593,7 @@ void *devpts_get_priv(struct dentry *dentry) /** * devpts_pty_kill -- remove inode form /dev/pts/ - * @inode: inode of the slave to be removed + * @dentry: dentry of the slave to be removed * * This is an inverse operation of devpts_pty_new. */ diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index c16f0d660cb7..03bd55069d86 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -441,10 +441,10 @@ int ecryptfs_encrypt_page(struct page *page) } lower_offset = lower_offset_for_page(crypt_stat, page); - enc_extent_virt = kmap(enc_extent_page); + enc_extent_virt = kmap_local_page(enc_extent_page); rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, lower_offset, PAGE_SIZE); - kunmap(enc_extent_page); + kunmap_local(enc_extent_virt); if (rc < 0) { ecryptfs_printk(KERN_ERR, "Error attempting to write lower page; rc = [%d]\n", @@ -490,10 +490,10 @@ int ecryptfs_decrypt_page(struct page *page) BUG_ON(!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)); lower_offset = lower_offset_for_page(crypt_stat, page); - page_virt = kmap(page); + page_virt = kmap_local_page(page); rc = ecryptfs_read_lower(page_virt, lower_offset, PAGE_SIZE, ecryptfs_inode); - kunmap(page); + kunmap_local(page_virt); if (rc < 0) { ecryptfs_printk(KERN_ERR, "Error attempting to read lower page; rc = [%d]\n", diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 83274915ba6d..992d9c7e64ae 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -148,7 +148,7 @@ static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry, } fsstack_copy_attr_times(dir, lower_dir); set_nlink(inode, ecryptfs_inode_to_lower(inode)->i_nlink); - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); out_unlock: dput(lower_dentry); inode_unlock(lower_dir); @@ -982,7 +982,7 @@ static int ecryptfs_getattr_link(struct mnt_idmap *idmap, mount_crypt_stat = &ecryptfs_superblock_to_private( dentry->d_sb)->mount_crypt_stat; - generic_fillattr(&nop_mnt_idmap, d_inode(dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(dentry), stat); if (mount_crypt_stat->flags & ECRYPTFS_GLOBAL_ENCRYPT_FILENAMES) { char *target; size_t targetsiz; @@ -1011,7 +1011,8 @@ static int ecryptfs_getattr(struct mnt_idmap *idmap, if (!rc) { fsstack_copy_attr_all(d_inode(dentry), ecryptfs_inode_to_lower(d_inode(dentry))); - generic_fillattr(&nop_mnt_idmap, d_inode(dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, + d_inode(dentry), stat); stat->blocks = lower_stat.blocks; } return rc; diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 373c3e5747e6..e2483acc4366 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -125,7 +125,7 @@ ecryptfs_copy_up_encrypted_with_header(struct page *page, /* This is a header extent */ char *page_virt; - page_virt = kmap_atomic(page); + page_virt = kmap_local_page(page); memset(page_virt, 0, PAGE_SIZE); /* TODO: Support more than one header extent */ if (view_extent_num == 0) { @@ -138,7 +138,7 @@ ecryptfs_copy_up_encrypted_with_header(struct page *page, crypt_stat, &written); } - kunmap_atomic(page_virt); + kunmap_local(page_virt); flush_dcache_page(page); if (rc) { printk(KERN_ERR "%s: Error reading xattr " @@ -255,7 +255,6 @@ out: * @mapping: The eCryptfs object * @pos: The file offset at which to start writing * @len: Length of the write - * @flags: Various flags * @pagep: Pointer to return the page * @fsdata: Pointer to return fs data (unused) * diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c index 60bdcaddcbe5..3458f153a588 100644 --- a/fs/ecryptfs/read_write.c +++ b/fs/ecryptfs/read_write.c @@ -64,11 +64,11 @@ int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode, offset = ((((loff_t)page_for_lower->index) << PAGE_SHIFT) + offset_in_page); - virt = kmap(page_for_lower); + virt = kmap_local_page(page_for_lower); rc = ecryptfs_write_lower(ecryptfs_inode, virt, offset, size); if (rc > 0) rc = 0; - kunmap(page_for_lower); + kunmap_local(virt); return rc; } @@ -140,7 +140,7 @@ int ecryptfs_write(struct inode *ecryptfs_inode, char *data, loff_t offset, ecryptfs_page_idx, rc); goto out; } - ecryptfs_page_virt = kmap_atomic(ecryptfs_page); + ecryptfs_page_virt = kmap_local_page(ecryptfs_page); /* * pos: where we're now writing, offset: where the request was @@ -163,7 +163,7 @@ int ecryptfs_write(struct inode *ecryptfs_inode, char *data, loff_t offset, (data + data_offset), num_bytes); data_offset += num_bytes; } - kunmap_atomic(ecryptfs_page_virt); + kunmap_local(ecryptfs_page_virt); flush_dcache_page(ecryptfs_page); SetPageUptodate(ecryptfs_page); unlock_page(ecryptfs_page); @@ -253,11 +253,11 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs, int rc; offset = ((((loff_t)page_index) << PAGE_SHIFT) + offset_in_page); - virt = kmap(page_for_ecryptfs); + virt = kmap_local_page(page_for_ecryptfs); rc = ecryptfs_read_lower(virt, offset, size, ecryptfs_inode); if (rc > 0) rc = 0; - kunmap(page_for_ecryptfs); + kunmap_local(virt); flush_dcache_page(page_for_ecryptfs); return rc; } diff --git a/fs/efivarfs/file.c b/fs/efivarfs/file.c index d57ee15874f9..59b52718a3a2 100644 --- a/fs/efivarfs/file.c +++ b/fs/efivarfs/file.c @@ -51,7 +51,7 @@ static ssize_t efivarfs_file_write(struct file *file, } else { inode_lock(inode); i_size_write(inode, datasize + sizeof(attributes)); - inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); inode_unlock(inode); } diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c index b973a2c03dde..db9231f0e77b 100644 --- a/fs/efivarfs/inode.c +++ b/fs/efivarfs/inode.c @@ -25,7 +25,7 @@ struct inode *efivarfs_get_inode(struct super_block *sb, if (inode) { inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_flags = is_removable ? 0 : S_IMMUTABLE; switch (mode & S_IFMT) { case S_IFREG: diff --git a/fs/efs/inode.c b/fs/efs/inode.c index 3ba94bb005a6..3789d22ba501 100644 --- a/fs/efs/inode.c +++ b/fs/efs/inode.c @@ -105,8 +105,8 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino) inode->i_size = be32_to_cpu(efs_inode->di_size); inode->i_atime.tv_sec = be32_to_cpu(efs_inode->di_atime); inode->i_mtime.tv_sec = be32_to_cpu(efs_inode->di_mtime); - inode->i_ctime.tv_sec = be32_to_cpu(efs_inode->di_ctime); - inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, be32_to_cpu(efs_inode->di_ctime), 0); + inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = 0; /* this is the number of blocks in the file */ if (inode->i_size == 0) { diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index e12592727a54..edc8ec7581b8 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -105,8 +105,8 @@ static void *erofs_read_inode(struct erofs_buf *buf, set_nlink(inode, le32_to_cpu(die->i_nlink)); /* extended inode has its own timestamp */ - inode->i_ctime.tv_sec = le64_to_cpu(die->i_mtime); - inode->i_ctime.tv_nsec = le32_to_cpu(die->i_mtime_nsec); + inode_set_ctime(inode, le64_to_cpu(die->i_mtime), + le32_to_cpu(die->i_mtime_nsec)); inode->i_size = le64_to_cpu(die->i_size); @@ -148,8 +148,7 @@ static void *erofs_read_inode(struct erofs_buf *buf, set_nlink(inode, le16_to_cpu(dic->i_nlink)); /* use build time for compact inodes */ - inode->i_ctime.tv_sec = sbi->build_time; - inode->i_ctime.tv_nsec = sbi->build_time_nsec; + inode_set_ctime(inode, sbi->build_time, sbi->build_time_nsec); inode->i_size = le32_to_cpu(dic->i_size); if (erofs_inode_is_data_compressed(vi->datalayout)) @@ -176,10 +175,7 @@ static void *erofs_read_inode(struct erofs_buf *buf, vi->chunkbits = sb->s_blocksize_bits + (vi->chunkformat & EROFS_CHUNK_FORMAT_BLKBITS_MASK); } - inode->i_mtime.tv_sec = inode->i_ctime.tv_sec; - inode->i_atime.tv_sec = inode->i_ctime.tv_sec; - inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec; - inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec; + inode->i_mtime = inode->i_atime = inode_get_ctime(inode); inode->i_flags &= ~S_DAX; if (test_opt(&sbi->opt, DAX_ALWAYS) && S_ISREG(inode->i_mode) && @@ -373,7 +369,7 @@ int erofs_getattr(struct mnt_idmap *idmap, const struct path *path, stat->attributes_mask |= (STATX_ATTR_COMPRESSED | STATX_ATTR_IMMUTABLE); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); return 0; } diff --git a/fs/eventfd.c b/fs/eventfd.c index 8aa36cd37351..33a918f9566c 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -189,7 +189,7 @@ void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt) { lockdep_assert_held(&ctx->wqh.lock); - *cnt = (ctx->flags & EFD_SEMAPHORE) ? 1 : ctx->count; + *cnt = ((ctx->flags & EFD_SEMAPHORE) && ctx->count) ? 1 : ctx->count; ctx->count -= *cnt; } EXPORT_SYMBOL_GPL(eventfd_ctx_do_read); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 4b1b3362f697..1d9a71a0c4c1 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -975,15 +975,11 @@ again: static int ep_alloc(struct eventpoll **pep) { - int error; - struct user_struct *user; struct eventpoll *ep; - user = get_current_user(); - error = -ENOMEM; ep = kzalloc(sizeof(*ep), GFP_KERNEL); if (unlikely(!ep)) - goto free_uid; + return -ENOMEM; mutex_init(&ep->mtx); rwlock_init(&ep->lock); @@ -992,16 +988,12 @@ static int ep_alloc(struct eventpoll **pep) INIT_LIST_HEAD(&ep->rdllist); ep->rbr = RB_ROOT_CACHED; ep->ovflist = EP_UNACTIVE_PTR; - ep->user = user; + ep->user = get_current_user(); refcount_set(&ep->refcount, 1); *pep = ep; return 0; - -free_uid: - free_uid(user); - return error; } /* diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 729ada9e26e8..f55498e5c23d 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -273,8 +273,6 @@ struct exfat_sb_info { spinlock_t inode_hash_lock; struct hlist_head inode_hashtable[EXFAT_HASH_SIZE]; - - struct rcu_head rcu; }; #define EXFAT_CACHE_VALID 0 diff --git a/fs/exfat/file.c b/fs/exfat/file.c index 3cbd270e0cba..32395ef686a2 100644 --- a/fs/exfat/file.c +++ b/fs/exfat/file.c @@ -22,7 +22,7 @@ static int exfat_cont_expand(struct inode *inode, loff_t size) if (err) return err; - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); if (!IS_SYNC(inode)) @@ -232,7 +232,7 @@ int exfat_getattr(struct mnt_idmap *idmap, const struct path *path, struct inode *inode = d_backing_inode(path->dentry); struct exfat_inode_info *ei = EXFAT_I(inode); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); exfat_truncate_atime(&stat->atime); stat->result_mask |= STATX_BTIME; stat->btime.tv_sec = ei->i_crtime.tv_sec; @@ -290,7 +290,7 @@ int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry, } if (attr->ia_valid & ATTR_SIZE) - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); setattr_copy(&nop_mnt_idmap, inode, attr); exfat_truncate_atime(&inode->i_atime); diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 481dd338f2b8..13329baeafbc 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -355,7 +355,7 @@ static void exfat_write_failed(struct address_space *mapping, loff_t to) if (to > i_size_read(inode)) { truncate_pagecache(inode, i_size_read(inode)); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); exfat_truncate(inode); } } @@ -398,7 +398,7 @@ static int exfat_write_end(struct file *file, struct address_space *mapping, exfat_write_failed(mapping, pos+len); if (!(err < 0) && !(ei->attr & ATTR_ARCHIVE)) { - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ei->attr |= ATTR_ARCHIVE; mark_inode_dirty(inode); } @@ -577,7 +577,7 @@ static int exfat_fill_inode(struct inode *inode, struct exfat_dir_entry *info) inode->i_blocks = round_up(i_size_read(inode), sbi->cluster_size) >> 9; inode->i_mtime = info->mtime; - inode->i_ctime = info->mtime; + inode_set_ctime_to_ts(inode, info->mtime); ei->i_crtime = info->crtime; inode->i_atime = info->atime; diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index e0ff9d156f6f..1b9f587f6cca 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -569,7 +569,7 @@ static int exfat_create(struct mnt_idmap *idmap, struct inode *dir, goto unlock; inode_inc_iversion(dir); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); if (IS_DIRSYNC(dir)) exfat_sync_inode(dir); else @@ -582,8 +582,7 @@ static int exfat_create(struct mnt_idmap *idmap, struct inode *dir, goto unlock; inode_inc_iversion(inode); - inode->i_mtime = inode->i_atime = inode->i_ctime = - EXFAT_I(inode)->i_crtime = current_time(inode); + inode->i_mtime = inode->i_atime = EXFAT_I(inode)->i_crtime = inode_set_ctime_current(inode); exfat_truncate_atime(&inode->i_atime); /* timestamp is already written, so mark_inode_dirty() is unneeded. */ @@ -817,7 +816,7 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry) ei->dir.dir = DIR_DELETED; inode_inc_iversion(dir); - dir->i_mtime = dir->i_atime = current_time(dir); + dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir); exfat_truncate_atime(&dir->i_atime); if (IS_DIRSYNC(dir)) exfat_sync_inode(dir); @@ -825,7 +824,7 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry) mark_inode_dirty(dir); clear_nlink(inode); - inode->i_mtime = inode->i_atime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); exfat_truncate_atime(&inode->i_atime); exfat_unhash_inode(inode); exfat_d_version_set(dentry, inode_query_iversion(dir)); @@ -852,7 +851,7 @@ static int exfat_mkdir(struct mnt_idmap *idmap, struct inode *dir, goto unlock; inode_inc_iversion(dir); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); if (IS_DIRSYNC(dir)) exfat_sync_inode(dir); else @@ -866,8 +865,7 @@ static int exfat_mkdir(struct mnt_idmap *idmap, struct inode *dir, goto unlock; inode_inc_iversion(inode); - inode->i_mtime = inode->i_atime = inode->i_ctime = - EXFAT_I(inode)->i_crtime = current_time(inode); + inode->i_mtime = inode->i_atime = EXFAT_I(inode)->i_crtime = inode_set_ctime_current(inode); exfat_truncate_atime(&inode->i_atime); /* timestamp is already written, so mark_inode_dirty() is unneeded. */ @@ -979,7 +977,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry) ei->dir.dir = DIR_DELETED; inode_inc_iversion(dir); - dir->i_mtime = dir->i_atime = current_time(dir); + dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir); exfat_truncate_atime(&dir->i_atime); if (IS_DIRSYNC(dir)) exfat_sync_inode(dir); @@ -988,7 +986,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry) drop_nlink(dir); clear_nlink(inode); - inode->i_mtime = inode->i_atime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); exfat_truncate_atime(&inode->i_atime); exfat_unhash_inode(inode); exfat_d_version_set(dentry, inode_query_iversion(dir)); @@ -1312,8 +1310,8 @@ static int exfat_rename(struct mnt_idmap *idmap, goto unlock; inode_inc_iversion(new_dir); - new_dir->i_ctime = new_dir->i_mtime = new_dir->i_atime = - EXFAT_I(new_dir)->i_crtime = current_time(new_dir); + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); + EXFAT_I(new_dir)->i_crtime = current_time(new_dir); exfat_truncate_atime(&new_dir->i_atime); if (IS_DIRSYNC(new_dir)) exfat_sync_inode(new_dir); @@ -1336,7 +1334,6 @@ static int exfat_rename(struct mnt_idmap *idmap, } inode_inc_iversion(old_dir); - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); if (IS_DIRSYNC(old_dir)) exfat_sync_inode(old_dir); else @@ -1354,8 +1351,7 @@ static int exfat_rename(struct mnt_idmap *idmap, exfat_warn(sb, "abnormal access to an inode dropped"); WARN_ON(new_inode->i_nlink == 0); } - new_inode->i_ctime = EXFAT_I(new_inode)->i_crtime = - current_time(new_inode); + EXFAT_I(new_inode)->i_crtime = current_time(new_inode); } unlock: diff --git a/fs/exfat/super.c b/fs/exfat/super.c index 8c32460e031e..2778bd9b631e 100644 --- a/fs/exfat/super.c +++ b/fs/exfat/super.c @@ -31,16 +31,6 @@ static void exfat_free_iocharset(struct exfat_sb_info *sbi) kfree(sbi->options.iocharset); } -static void exfat_delayed_free(struct rcu_head *p) -{ - struct exfat_sb_info *sbi = container_of(p, struct exfat_sb_info, rcu); - - unload_nls(sbi->nls_io); - exfat_free_iocharset(sbi); - exfat_free_upcase_table(sbi); - kfree(sbi); -} - static void exfat_put_super(struct super_block *sb) { struct exfat_sb_info *sbi = EXFAT_SB(sb); @@ -50,7 +40,8 @@ static void exfat_put_super(struct super_block *sb) brelse(sbi->boot_bh); mutex_unlock(&sbi->s_lock); - call_rcu(&sbi->rcu, exfat_delayed_free); + unload_nls(sbi->nls_io); + exfat_free_upcase_table(sbi); } static int exfat_sync_fs(struct super_block *sb, int wait) @@ -379,8 +370,7 @@ static int exfat_read_root(struct inode *inode) ei->i_size_ondisk = i_size_read(inode); exfat_save_attr(inode, ATTR_SUBDIR); - inode->i_mtime = inode->i_atime = inode->i_ctime = ei->i_crtime = - current_time(inode); + inode->i_mtime = inode->i_atime = ei->i_crtime = inode_set_ctime_current(inode); exfat_truncate_atime(&inode->i_atime); return 0; } @@ -710,9 +700,6 @@ free_table: check_nls_io: unload_nls(sbi->nls_io); - exfat_free_iocharset(sbi); - sb->s_fs_info = NULL; - kfree(sbi); return err; } @@ -721,14 +708,18 @@ static int exfat_get_tree(struct fs_context *fc) return get_tree_bdev(fc, exfat_fill_super); } +static void exfat_free_sbi(struct exfat_sb_info *sbi) +{ + exfat_free_iocharset(sbi); + kfree(sbi); +} + static void exfat_free(struct fs_context *fc) { struct exfat_sb_info *sbi = fc->s_fs_info; - if (sbi) { - exfat_free_iocharset(sbi); - kfree(sbi); - } + if (sbi) + exfat_free_sbi(sbi); } static int exfat_reconfigure(struct fs_context *fc) @@ -773,12 +764,21 @@ static int exfat_init_fs_context(struct fs_context *fc) return 0; } +static void exfat_kill_sb(struct super_block *sb) +{ + struct exfat_sb_info *sbi = sb->s_fs_info; + + kill_block_super(sb); + if (sbi) + exfat_free_sbi(sbi); +} + static struct file_system_type exfat_fs_type = { .owner = THIS_MODULE, .name = "exfat", .init_fs_context = exfat_init_fs_context, .parameters = exfat_parameters, - .kill_sb = kill_block_super, + .kill_sb = exfat_kill_sb, .fs_flags = FS_REQUIRES_DEV, }; diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index 82b17d7fc93f..7e54c31589c7 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c @@ -237,7 +237,7 @@ ext2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, error = __ext2_set_acl(inode, acl, type); if (!error && update_mode) { inode->i_mode = mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); } return error; diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 42db804794bd..b335f17f682f 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -468,7 +468,7 @@ int ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de, ext2_set_de_type(de, inode); ext2_commit_chunk(page, pos, len); if (update_times) - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(dir); return ext2_handle_dirsync(dir); @@ -555,7 +555,7 @@ got_it: de->inode = cpu_to_le32(inode->i_ino); ext2_set_de_type (de, inode); ext2_commit_chunk(page, pos, rec_len); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(dir); err = ext2_handle_dirsync(dir); @@ -606,7 +606,7 @@ int ext2_delete_entry(struct ext2_dir_entry_2 *dir, struct page *page) pde->rec_len = ext2_rec_len_to_disk(to - from); dir->inode = 0; ext2_commit_chunk(page, pos, to - from); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(inode); return ext2_handle_dirsync(inode); diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index a4e1d7a9c544..124df89689e1 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -549,7 +549,7 @@ got: inode->i_ino = ino; inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); memset(ei->i_data, 0, sizeof(ei->i_data)); ei->i_flags = ext2_mask_flags(mode, EXT2_I(dir)->i_flags & EXT2_FL_INHERITED); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 75983215c7a1..acbab27fe957 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -595,7 +595,7 @@ static void ext2_splice_branch(struct inode *inode, if (where->bh) mark_buffer_dirty_inode(where->bh, inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); } @@ -1287,7 +1287,7 @@ static int ext2_setsize(struct inode *inode, loff_t newsize) __ext2_truncate_blocks(inode, newsize); filemap_invalidate_unlock(inode->i_mapping); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (inode_needs_sync(inode)) { sync_mapping_buffers(inode->i_mapping); sync_inode_metadata(inode, 1); @@ -1409,9 +1409,9 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino) set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); inode->i_size = le32_to_cpu(raw_inode->i_size); inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode_set_ctime(inode, (signed)le32_to_cpu(raw_inode->i_ctime), 0); inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); - inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0; + inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = 0; ei->i_dtime = le32_to_cpu(raw_inode->i_dtime); /* We now have enough fields to check if the inode was active or not. * This is needed because nfsd might try to access dead inodes @@ -1541,7 +1541,7 @@ static int __ext2_write_inode(struct inode *inode, int do_sync) raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); raw_inode->i_size = cpu_to_le32(inode->i_size); raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec); - raw_inode->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec); + raw_inode->i_ctime = cpu_to_le32(inode_get_ctime(inode).tv_sec); raw_inode->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec); raw_inode->i_blocks = cpu_to_le32(inode->i_blocks); @@ -1628,7 +1628,7 @@ int ext2_getattr(struct mnt_idmap *idmap, const struct path *path, STATX_ATTR_IMMUTABLE | STATX_ATTR_NODUMP); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); return 0; } diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index cc87d413eb43..44e04484e570 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -44,7 +44,7 @@ int ext2_fileattr_set(struct mnt_idmap *idmap, (fa->flags & EXT2_FL_USER_MODIFIABLE); ext2_set_inode_flags(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); return 0; @@ -77,7 +77,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } inode_lock(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode->i_generation = generation; inode_unlock(inode); diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 937dd8f60f96..059517068adc 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -211,7 +211,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir, if (err) return err; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_link_count(inode); ihold(inode); @@ -291,7 +291,7 @@ static int ext2_unlink(struct inode *dir, struct dentry *dentry) if (err) goto out; - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); inode_dec_link_count(inode); err = 0; out: @@ -367,7 +367,7 @@ static int ext2_rename (struct mnt_idmap * idmap, ext2_put_page(new_page, new_de); if (err) goto out_dir; - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); @@ -383,7 +383,7 @@ static int ext2_rename (struct mnt_idmap * idmap, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); mark_inode_dirty(old_inode); err = ext2_delete_entry(old_de, old_page); diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 2959afc7541c..aaf3e3e88cb2 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1572,7 +1572,7 @@ out: if (inode->i_size < off+len-towrite) i_size_write(inode, off+len-towrite); inode_inc_iversion(inode); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); return len - towrite; } diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index 8906ba479aaf..1c9187188d68 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -773,7 +773,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh, /* Update the inode. */ EXT2_I(inode)->i_file_acl = new_bh ? new_bh->b_blocknr : 0; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (IS_SYNC(inode)) { error = sync_inode_metadata(inode, 1); /* In case sync failed due to ENOSPC the inode was actually diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index 27fcbddfb148..3bffe862f954 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -259,7 +259,7 @@ retry: error = __ext4_set_acl(handle, inode, type, acl, 0 /* xattr_flags */); if (!error && update_mode) { inode->i_mode = mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); error = ext4_mark_inode_dirty(handle, inode); } out_stop: diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 0a2d55faa095..1e2259d9967d 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -868,64 +868,70 @@ struct ext4_inode { * affected filesystem before 2242. */ -static inline __le32 ext4_encode_extra_time(struct timespec64 *time) +static inline __le32 ext4_encode_extra_time(struct timespec64 ts) { - u32 extra =((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK; - return cpu_to_le32(extra | (time->tv_nsec << EXT4_EPOCH_BITS)); + u32 extra = ((ts.tv_sec - (s32)ts.tv_sec) >> 32) & EXT4_EPOCH_MASK; + return cpu_to_le32(extra | (ts.tv_nsec << EXT4_EPOCH_BITS)); } -static inline void ext4_decode_extra_time(struct timespec64 *time, - __le32 extra) +static inline struct timespec64 ext4_decode_extra_time(__le32 base, + __le32 extra) { + struct timespec64 ts = { .tv_sec = (signed)le32_to_cpu(base) }; + if (unlikely(extra & cpu_to_le32(EXT4_EPOCH_MASK))) - time->tv_sec += (u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) << 32; - time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS; + ts.tv_sec += (u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) << 32; + ts.tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS; + return ts; } -#define EXT4_INODE_SET_XTIME(xtime, inode, raw_inode) \ +#define EXT4_INODE_SET_XTIME_VAL(xtime, inode, raw_inode, ts) \ do { \ - if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra)) {\ - (raw_inode)->xtime = cpu_to_le32((inode)->xtime.tv_sec); \ - (raw_inode)->xtime ## _extra = \ - ext4_encode_extra_time(&(inode)->xtime); \ - } \ - else \ - (raw_inode)->xtime = cpu_to_le32(clamp_t(int32_t, (inode)->xtime.tv_sec, S32_MIN, S32_MAX)); \ + if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra)) { \ + (raw_inode)->xtime = cpu_to_le32((ts).tv_sec); \ + (raw_inode)->xtime ## _extra = ext4_encode_extra_time(ts); \ + } else \ + (raw_inode)->xtime = cpu_to_le32(clamp_t(int32_t, (ts).tv_sec, S32_MIN, S32_MAX)); \ } while (0) -#define EXT4_EINODE_SET_XTIME(xtime, einode, raw_inode) \ -do { \ - if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime)) \ - (raw_inode)->xtime = cpu_to_le32((einode)->xtime.tv_sec); \ - if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime ## _extra)) \ - (raw_inode)->xtime ## _extra = \ - ext4_encode_extra_time(&(einode)->xtime); \ -} while (0) +#define EXT4_INODE_SET_XTIME(xtime, inode, raw_inode) \ + EXT4_INODE_SET_XTIME_VAL(xtime, inode, raw_inode, (inode)->xtime) + +#define EXT4_INODE_SET_CTIME(inode, raw_inode) \ + EXT4_INODE_SET_XTIME_VAL(i_ctime, inode, raw_inode, inode_get_ctime(inode)) + +#define EXT4_EINODE_SET_XTIME(xtime, einode, raw_inode) \ + if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime)) \ + EXT4_INODE_SET_XTIME_VAL(xtime, &((einode)->vfs_inode), \ + raw_inode, (einode)->xtime) + +#define EXT4_INODE_GET_XTIME_VAL(xtime, inode, raw_inode) \ + (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra) ? \ + ext4_decode_extra_time((raw_inode)->xtime, \ + (raw_inode)->xtime ## _extra) : \ + (struct timespec64) { \ + .tv_sec = (signed)le32_to_cpu((raw_inode)->xtime) \ + }) #define EXT4_INODE_GET_XTIME(xtime, inode, raw_inode) \ do { \ - (inode)->xtime.tv_sec = (signed)le32_to_cpu((raw_inode)->xtime); \ - if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra)) { \ - ext4_decode_extra_time(&(inode)->xtime, \ - raw_inode->xtime ## _extra); \ - } \ - else \ - (inode)->xtime.tv_nsec = 0; \ + (inode)->xtime = EXT4_INODE_GET_XTIME_VAL(xtime, inode, raw_inode); \ } while (0) +#define EXT4_INODE_GET_CTIME(inode, raw_inode) \ +do { \ + inode_set_ctime_to_ts(inode, \ + EXT4_INODE_GET_XTIME_VAL(i_ctime, inode, raw_inode)); \ +} while (0) -#define EXT4_EINODE_GET_XTIME(xtime, einode, raw_inode) \ -do { \ - if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime)) \ - (einode)->xtime.tv_sec = \ - (signed)le32_to_cpu((raw_inode)->xtime); \ - else \ - (einode)->xtime.tv_sec = 0; \ - if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime ## _extra)) \ - ext4_decode_extra_time(&(einode)->xtime, \ - raw_inode->xtime ## _extra); \ - else \ - (einode)->xtime.tv_nsec = 0; \ +#define EXT4_EINODE_GET_XTIME(xtime, einode, raw_inode) \ +do { \ + if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime)) \ + (einode)->xtime = \ + EXT4_INODE_GET_XTIME_VAL(xtime, &(einode->vfs_inode), \ + raw_inode); \ + else \ + (einode)->xtime = (struct timespec64){0, 0}; \ } while (0) #define i_disk_version osd1.linux1.l_i_version diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 77f318ec8abb..b38d59581411 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -234,8 +234,7 @@ int __ext4_journal_get_write_access(const char *where, unsigned int line, might_sleep(); - if (bh->b_bdev->bd_super) - ext4_check_bdev_write_error(bh->b_bdev->bd_super); + ext4_check_bdev_write_error(sb); if (ext4_handle_valid(handle)) { err = jbd2_journal_get_write_access(handle, bh); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index e4115d338f10..202c76996b62 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4476,12 +4476,12 @@ retry: map.m_lblk += ret; map.m_len = len = len - ret; epos = (loff_t)map.m_lblk << inode->i_blkbits; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (new_size) { if (epos > new_size) epos = new_size; if (ext4_update_inode_size(inode, epos) & 0x1) - inode->i_mtime = inode->i_ctime; + inode->i_mtime = inode_get_ctime(inode); } ret2 = ext4_mark_inode_dirty(handle, inode); ext4_update_inode_fsync_trans(handle, inode, 1); @@ -4617,7 +4617,7 @@ static long ext4_zero_range(struct file *file, loff_t offset, /* Now release the pages and zero block aligned part of pages */ truncate_pagecache_range(inode, start, end - 1); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags); @@ -4642,7 +4642,7 @@ static long ext4_zero_range(struct file *file, loff_t offset, goto out_mutex; } - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (new_size) ext4_update_inode_size(inode, new_size); ret = ext4_mark_inode_dirty(handle, inode); @@ -5378,7 +5378,7 @@ static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len) up_write(&EXT4_I(inode)->i_data_sem); if (IS_SYNC(inode)) ext4_handle_sync(handle); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ret = ext4_mark_inode_dirty(handle, inode); ext4_update_inode_fsync_trans(handle, inode, 1); @@ -5488,7 +5488,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len) /* Expand file to avoid data loss if there is error while shifting */ inode->i_size += len; EXT4_I(inode)->i_disksize += len; - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ret = ext4_mark_inode_dirty(handle, inode); if (ret) goto out_stop; diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 754f961cd9fd..48abef5f23e7 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1250,7 +1250,7 @@ got: inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb); /* This is the optimal IO size (for stat), not the fs block size */ inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); ei->i_crtime = inode->i_mtime; memset(ei->i_data, 0, sizeof(ei->i_data)); diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index a4b7e4bc32d4..003861037374 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1037,7 +1037,7 @@ static int ext4_add_dirent_to_inline(handle_t *handle, * happen is that the times are slightly out of date * and/or different from the directory change time. */ - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); ext4_update_dx_flag(dir); inode_inc_iversion(dir); return 1; @@ -1991,7 +1991,7 @@ out: ext4_orphan_del(handle, inode); if (err == 0) { - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); err = ext4_mark_inode_dirty(handle, inode); if (IS_SYNC(inode)) ext4_handle_sync(handle); diff --git a/fs/ext4/inode-test.c b/fs/ext4/inode-test.c index 7935ea6cf92c..f0c0fd507fbc 100644 --- a/fs/ext4/inode-test.c +++ b/fs/ext4/inode-test.c @@ -245,9 +245,9 @@ static void inode_test_xtimestamp_decoding(struct kunit *test) struct timestamp_expectation *test_param = (struct timestamp_expectation *)(test->param_value); - timestamp.tv_sec = get_32bit_time(test_param); - ext4_decode_extra_time(×tamp, - cpu_to_le32(test_param->extra_bits)); + timestamp = ext4_decode_extra_time( + cpu_to_le32(get_32bit_time(test_param)), + cpu_to_le32(test_param->extra_bits)); KUNIT_EXPECT_EQ_MSG(test, test_param->expected.tv_sec, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 43775a6ca505..6683076ecb2f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3986,7 +3986,7 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length) if (IS_SYNC(inode)) ext4_handle_sync(handle); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ret2 = ext4_mark_inode_dirty(handle, inode); if (unlikely(ret2)) ret = ret2; @@ -4146,7 +4146,7 @@ out_stop: if (inode->i_nlink) ext4_orphan_del(handle, inode); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); err2 = ext4_mark_inode_dirty(handle, inode); if (unlikely(err2 && !err)) err = err2; @@ -4249,7 +4249,7 @@ static int ext4_fill_raw_inode(struct inode *inode, struct ext4_inode *raw_inode } raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); - EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode); + EXT4_INODE_SET_CTIME(inode, raw_inode); EXT4_INODE_SET_XTIME(i_mtime, inode, raw_inode); EXT4_INODE_SET_XTIME(i_atime, inode, raw_inode); EXT4_EINODE_SET_XTIME(i_crtime, ei, raw_inode); @@ -4858,7 +4858,7 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, } } - EXT4_INODE_GET_XTIME(i_ctime, inode, raw_inode); + EXT4_INODE_GET_CTIME(inode, raw_inode); EXT4_INODE_GET_XTIME(i_mtime, inode, raw_inode); EXT4_INODE_GET_XTIME(i_atime, inode, raw_inode); EXT4_EINODE_GET_XTIME(i_crtime, ei, raw_inode); @@ -4981,7 +4981,7 @@ static void __ext4_update_other_inode_time(struct super_block *sb, spin_unlock(&inode->i_lock); spin_lock(&ei->i_raw_lock); - EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode); + EXT4_INODE_SET_CTIME(inode, raw_inode); EXT4_INODE_SET_XTIME(i_mtime, inode, raw_inode); EXT4_INODE_SET_XTIME(i_atime, inode, raw_inode); ext4_inode_csum_set(inode, raw_inode, ei); @@ -5376,10 +5376,8 @@ int ext4_setattr(struct mnt_idmap *idmap, struct dentry *dentry, * Update c/mtime on truncate up, ext4_truncate() will * update c/mtime in shrink case below */ - if (!shrink) { - inode->i_mtime = current_time(inode); - inode->i_ctime = inode->i_mtime; - } + if (!shrink) + inode->i_mtime = inode_set_ctime_current(inode); if (shrink) ext4_fc_track_range(handle, inode, @@ -5537,7 +5535,7 @@ int ext4_getattr(struct mnt_idmap *idmap, const struct path *path, STATX_ATTR_NODUMP | STATX_ATTR_VERITY); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); return 0; } diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 331859511f80..b0349f451863 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -449,7 +449,8 @@ static long swap_inode_boot_loader(struct super_block *sb, diff = size - size_bl; swap_inode_data(inode, inode_bl); - inode->i_ctime = inode_bl->i_ctime = current_time(inode); + inode_set_ctime_current(inode); + inode_set_ctime_current(inode_bl); inode_inc_iversion(inode); inode->i_generation = get_random_u32(); @@ -663,7 +664,7 @@ static int ext4_ioctl_setflags(struct inode *inode, ext4_set_inode_flags(inode, false); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_iversion(inode); err = ext4_mark_iloc_dirty(handle, inode, &iloc); @@ -774,7 +775,7 @@ static int ext4_ioctl_setproject(struct inode *inode, __u32 projid) } EXT4_I(inode)->i_projid = kprojid; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_iversion(inode); out_dirty: rc = ext4_mark_iloc_dirty(handle, inode, &iloc); @@ -1266,7 +1267,7 @@ static long __ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } err = ext4_reserve_inode_write(handle, inode, &iloc); if (err == 0) { - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_iversion(inode); inode->i_generation = generation; err = ext4_mark_iloc_dirty(handle, inode, &iloc); diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 0caf6c730ce3..933ad03f4f58 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2203,7 +2203,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname, * happen is that the times are slightly out of date * and/or different from the directory change time. */ - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); ext4_update_dx_flag(dir); inode_inc_iversion(dir); err2 = ext4_mark_inode_dirty(handle, dir); @@ -3197,7 +3197,8 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry) * recovery. */ inode->i_size = 0; ext4_orphan_add(handle, inode); - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + dir->i_mtime = inode_set_ctime_current(dir); + inode_set_ctime_current(inode); retval = ext4_mark_inode_dirty(handle, inode); if (retval) goto end_rmdir; @@ -3271,7 +3272,7 @@ int __ext4_unlink(struct inode *dir, const struct qstr *d_name, retval = ext4_delete_entry(handle, dir, de, bh); if (retval) goto out_handle; - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); ext4_update_dx_flag(dir); retval = ext4_mark_inode_dirty(handle, dir); if (retval) @@ -3286,7 +3287,7 @@ int __ext4_unlink(struct inode *dir, const struct qstr *d_name, drop_nlink(inode); if (!inode->i_nlink) ext4_orphan_add(handle, inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); retval = ext4_mark_inode_dirty(handle, inode); if (dentry && !retval) ext4_fc_track_unlink(handle, dentry); @@ -3463,7 +3464,7 @@ retry: if (IS_DIRSYNC(dir)) ext4_handle_sync(handle); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ext4_inc_count(inode); ihold(inode); @@ -3641,8 +3642,7 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent, if (ext4_has_feature_filetype(ent->dir->i_sb)) ent->de->file_type = file_type; inode_inc_iversion(ent->dir); - ent->dir->i_ctime = ent->dir->i_mtime = - current_time(ent->dir); + ent->dir->i_mtime = inode_set_ctime_current(ent->dir); retval = ext4_mark_inode_dirty(handle, ent->dir); BUFFER_TRACE(ent->bh, "call ext4_handle_dirty_metadata"); if (!ent->inlined) { @@ -3941,7 +3941,7 @@ static int ext4_rename(struct mnt_idmap *idmap, struct inode *old_dir, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old.inode->i_ctime = current_time(old.inode); + inode_set_ctime_current(old.inode); retval = ext4_mark_inode_dirty(handle, old.inode); if (unlikely(retval)) goto end_rename; @@ -3955,9 +3955,9 @@ static int ext4_rename(struct mnt_idmap *idmap, struct inode *old_dir, if (new.inode) { ext4_dec_count(new.inode); - new.inode->i_ctime = current_time(new.inode); + inode_set_ctime_current(new.inode); } - old.dir->i_ctime = old.dir->i_mtime = current_time(old.dir); + old.dir->i_mtime = inode_set_ctime_current(old.dir); ext4_update_dx_flag(old.dir); if (old.dir_bh) { retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino); @@ -4053,7 +4053,6 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry, }; u8 new_file_type; int retval; - struct timespec64 ctime; if ((ext4_test_inode_flag(new_dir, EXT4_INODE_PROJINHERIT) && !projid_eq(EXT4_I(new_dir)->i_projid, @@ -4147,9 +4146,8 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - ctime = current_time(old.inode); - old.inode->i_ctime = ctime; - new.inode->i_ctime = ctime; + inode_set_ctime_current(old.inode); + inode_set_ctime_current(new.inode); retval = ext4_mark_inode_dirty(handle, old.inode); if (unlikely(retval)) goto end_rename; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c94ebf704616..73547d2334fd 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -93,6 +93,7 @@ static int ext4_get_tree(struct fs_context *fc); static int ext4_reconfigure(struct fs_context *fc); static void ext4_fc_free(struct fs_context *fc); static int ext4_init_fs_context(struct fs_context *fc); +static void ext4_kill_sb(struct super_block *sb); static const struct fs_parameter_spec ext4_param_specs[]; /* @@ -135,12 +136,12 @@ static struct file_system_type ext2_fs_type = { .name = "ext2", .init_fs_context = ext4_init_fs_context, .parameters = ext4_param_specs, - .kill_sb = kill_block_super, + .kill_sb = ext4_kill_sb, .fs_flags = FS_REQUIRES_DEV, }; MODULE_ALIAS_FS("ext2"); MODULE_ALIAS("ext2"); -#define IS_EXT2_SB(sb) ((sb)->s_bdev->bd_holder == &ext2_fs_type) +#define IS_EXT2_SB(sb) ((sb)->s_type == &ext2_fs_type) #else #define IS_EXT2_SB(sb) (0) #endif @@ -151,12 +152,12 @@ static struct file_system_type ext3_fs_type = { .name = "ext3", .init_fs_context = ext4_init_fs_context, .parameters = ext4_param_specs, - .kill_sb = kill_block_super, + .kill_sb = ext4_kill_sb, .fs_flags = FS_REQUIRES_DEV, }; MODULE_ALIAS_FS("ext3"); MODULE_ALIAS("ext3"); -#define IS_EXT3_SB(sb) ((sb)->s_bdev->bd_holder == &ext3_fs_type) +#define IS_EXT3_SB(sb) ((sb)->s_type == &ext3_fs_type) static inline void __ext4_read_bh(struct buffer_head *bh, blk_opf_t op_flags, @@ -1096,15 +1097,6 @@ void ext4_update_dynamic_rev(struct super_block *sb) */ } -static void ext4_bdev_mark_dead(struct block_device *bdev) -{ - ext4_force_shutdown(bdev->bd_holder, EXT4_GOING_FLAGS_NOLOGFLUSH); -} - -static const struct blk_holder_ops ext4_holder_ops = { - .mark_dead = ext4_bdev_mark_dead, -}; - /* * Open the external journal device */ @@ -1113,7 +1105,7 @@ static struct block_device *ext4_blkdev_get(dev_t dev, struct super_block *sb) struct block_device *bdev; bdev = blkdev_get_by_dev(dev, BLK_OPEN_READ | BLK_OPEN_WRITE, sb, - &ext4_holder_ops); + &fs_holder_ops); if (IS_ERR(bdev)) goto fail; return bdev; @@ -1125,25 +1117,6 @@ fail: return NULL; } -/* - * Release the journal device - */ -static void ext4_blkdev_remove(struct ext4_sb_info *sbi) -{ - struct block_device *bdev; - bdev = sbi->s_journal_bdev; - if (bdev) { - /* - * Invalidate the journal device's buffers. We don't want them - * floating about in memory - the physical journal device may - * hotswapped, and it breaks the `ro-after' testing code. - */ - invalidate_bdev(bdev); - blkdev_put(bdev, sbi->s_sb); - sbi->s_journal_bdev = NULL; - } -} - static inline struct inode *orphan_list_entry(struct list_head *l) { return &list_entry(l, struct ext4_inode_info, i_orphan)->vfs_inode; @@ -1339,8 +1312,13 @@ static void ext4_put_super(struct super_block *sb) sync_blockdev(sb->s_bdev); invalidate_bdev(sb->s_bdev); if (sbi->s_journal_bdev) { + /* + * Invalidate the journal device's buffers. We don't want them + * floating about in memory - the physical journal device may + * hotswapped, and it breaks the `ro-after' testing code. + */ sync_blockdev(sbi->s_journal_bdev); - ext4_blkdev_remove(sbi); + invalidate_bdev(sbi->s_journal_bdev); } ext4_xattr_destroy_cache(sbi->s_ea_inode_cache); @@ -5572,7 +5550,6 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) spin_lock_init(&sbi->s_bdev_wb_lock); errseq_check_and_advance(&sb->s_bdev->bd_inode->i_mapping->wb_err, &sbi->s_bdev_wb_err); - sb->s_bdev->bd_super = sb; EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; ext4_orphan_cleanup(sb, es); EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS; @@ -5664,9 +5641,11 @@ failed_mount: kfree(get_qf_name(sb, sbi, i)); #endif fscrypt_free_dummy_policy(&sbi->s_dummy_enc_policy); - /* ext4_blkdev_remove() calls kill_bdev(), release bh before it. */ brelse(sbi->s_sbh); - ext4_blkdev_remove(sbi); + if (sbi->s_journal_bdev) { + invalidate_bdev(sbi->s_journal_bdev); + blkdev_put(sbi->s_journal_bdev, sb); + } out_fail: invalidate_bdev(sb->s_bdev); sb->s_fs_info = NULL; @@ -5854,7 +5833,10 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb, if (WARN_ON_ONCE(!ext4_has_feature_journal(sb))) return NULL; + /* see get_tree_bdev why this is needed and safe */ + up_write(&sb->s_umount); bdev = ext4_blkdev_get(j_dev, sb); + down_write(&sb->s_umount); if (bdev == NULL) return NULL; @@ -7103,7 +7085,7 @@ static int ext4_quota_off(struct super_block *sb, int type) } EXT4_I(inode)->i_flags &= ~(EXT4_NOATIME_FL | EXT4_IMMUTABLE_FL); inode_set_flags(inode, 0, S_NOATIME | S_IMMUTABLE); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); err = ext4_mark_inode_dirty(handle, inode); ext4_journal_stop(handle); out_unlock: @@ -7273,13 +7255,24 @@ static inline int ext3_feature_set_ok(struct super_block *sb) return 1; } +static void ext4_kill_sb(struct super_block *sb) +{ + struct ext4_sb_info *sbi = EXT4_SB(sb); + struct block_device *journal_bdev = sbi ? sbi->s_journal_bdev : NULL; + + kill_block_super(sb); + + if (journal_bdev) + blkdev_put(journal_bdev, sb); +} + static struct file_system_type ext4_fs_type = { .owner = THIS_MODULE, .name = "ext4", .init_fs_context = ext4_init_fs_context, .parameters = ext4_param_specs, - .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, + .kill_sb = ext4_kill_sb, + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME, }; MODULE_ALIAS_FS("ext4"); diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 05151d61b00b..281e1bfbbe3e 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -356,13 +356,13 @@ ext4_xattr_inode_hash(struct ext4_sb_info *sbi, const void *buffer, size_t size) static u64 ext4_xattr_inode_get_ref(struct inode *ea_inode) { - return ((u64)ea_inode->i_ctime.tv_sec << 32) | + return ((u64) inode_get_ctime(ea_inode).tv_sec << 32) | (u32) inode_peek_iversion_raw(ea_inode); } static void ext4_xattr_inode_set_ref(struct inode *ea_inode, u64 ref_count) { - ea_inode->i_ctime.tv_sec = (u32)(ref_count >> 32); + inode_set_ctime(ea_inode, (u32)(ref_count >> 32), 0); inode_set_iversion_raw(ea_inode, ref_count & 0xffffffff); } @@ -2473,7 +2473,7 @@ retry_inode: } if (!error) { ext4_xattr_update_super_block(handle, inode->i_sb); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_iversion(inode); if (!value) no_expand = 0; diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index d635c58cf5a3..8aa29fe2e87b 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -455,7 +455,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, de->file_type = fs_umode_to_ftype(inode->i_mode); set_page_dirty(page); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); f2fs_mark_inode_dirty_sync(dir, false); f2fs_put_page(page, 1); } @@ -609,7 +609,7 @@ void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, f2fs_i_links_write(dir, true); clear_inode_flag(inode, FI_NEW_INODE); } - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); f2fs_mark_inode_dirty_sync(dir, false); if (F2FS_I(dir)->i_current_depth != current_depth) @@ -858,7 +858,7 @@ void f2fs_drop_nlink(struct inode *dir, struct inode *inode) if (S_ISDIR(inode->i_mode)) f2fs_i_links_write(dir, false); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); f2fs_i_links_write(inode, false); if (S_ISDIR(inode->i_mode)) { @@ -919,7 +919,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, } f2fs_put_page(page, 1); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); f2fs_mark_inode_dirty_sync(dir, false); if (inode) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c7cb2177b252..e18272ae3119 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3303,9 +3303,11 @@ static inline void clear_file(struct inode *inode, int type) static inline bool f2fs_is_time_consistent(struct inode *inode) { + struct timespec64 ctime = inode_get_ctime(inode); + if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) return false; - if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) + if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &ctime)) return false; if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) return false; diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 093039dee992..35886a52edfb 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -794,7 +794,7 @@ int f2fs_truncate(struct inode *inode) if (err) return err; - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); f2fs_mark_inode_dirty_sync(inode, false); return 0; } @@ -882,7 +882,7 @@ int f2fs_getattr(struct mnt_idmap *idmap, const struct path *path, STATX_ATTR_NODUMP | STATX_ATTR_VERITY); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); /* we need to show initial sectors used for inline_data/dentries */ if ((S_ISREG(inode->i_mode) && f2fs_has_inline_data(inode)) || @@ -905,7 +905,7 @@ static void __setattr_copy(struct mnt_idmap *idmap, if (ia_valid & ATTR_MTIME) inode->i_mtime = attr->ia_mtime; if (ia_valid & ATTR_CTIME) - inode->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(inode, attr->ia_ctime); if (ia_valid & ATTR_MODE) { umode_t mode = attr->ia_mode; vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode); @@ -1008,7 +1008,7 @@ int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, return err; spin_lock(&F2FS_I(inode)->i_size_lock); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); F2FS_I(inode)->last_disk_size = i_size_read(inode); spin_unlock(&F2FS_I(inode)->i_size_lock); } @@ -1835,7 +1835,7 @@ static long f2fs_fallocate(struct file *file, int mode, } if (!ret) { - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); f2fs_mark_inode_dirty_sync(inode, false); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); } @@ -1937,7 +1937,7 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) else clear_inode_flag(inode, FI_PROJ_INHERIT); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); f2fs_set_inode_flags(inode); f2fs_mark_inode_dirty_sync(inode, true); return 0; @@ -2874,10 +2874,10 @@ out_src: if (ret) goto out_unlock; - src->i_mtime = src->i_ctime = current_time(src); + src->i_mtime = inode_set_ctime_current(src); f2fs_mark_inode_dirty_sync(src, false); if (src != dst) { - dst->i_mtime = dst->i_ctime = current_time(dst); + dst->i_mtime = inode_set_ctime_current(dst); f2fs_mark_inode_dirty_sync(dst, false); } f2fs_update_time(sbi, REQ_TIME); @@ -3073,7 +3073,7 @@ static int f2fs_ioc_setproject(struct inode *inode, __u32 projid) goto out_unlock; fi->i_projid = kprojid; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); f2fs_mark_inode_dirty_sync(inode, true); out_unlock: f2fs_unlock_op(sbi); @@ -3511,7 +3511,7 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg) } set_inode_flag(inode, FI_COMPRESS_RELEASED); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); f2fs_mark_inode_dirty_sync(inode, true); f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); @@ -3710,7 +3710,7 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg) if (ret >= 0) { clear_inode_flag(inode, FI_COMPRESS_RELEASED); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); f2fs_mark_inode_dirty_sync(inode, true); } unlock_inode: diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 01effd3fcb6c..a1ca394bc327 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -2181,12 +2181,14 @@ out_drop_write: if (err) return err; - err = freeze_super(sbi->sb); + err = freeze_super(sbi->sb, FREEZE_HOLDER_USERSPACE); if (err) return err; if (f2fs_readonly(sbi->sb)) { - thaw_super(sbi->sb); + err = thaw_super(sbi->sb, FREEZE_HOLDER_USERSPACE); + if (err) + return err; return -EROFS; } @@ -2240,6 +2242,6 @@ recover_out: out_err: f2fs_up_write(&sbi->cp_global_sem); f2fs_up_write(&sbi->gc_lock); - thaw_super(sbi->sb); + thaw_super(sbi->sb, FREEZE_HOLDER_USERSPACE); return err; } diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 4638fee16a91..88fc9208ffa7 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -698,7 +698,7 @@ void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, set_page_dirty(page); f2fs_put_page(page, 1); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); f2fs_mark_inode_dirty_sync(dir, false); if (inode) diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 09e986b050c6..c1c2ba9f28e5 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -403,7 +403,7 @@ static void init_idisk_time(struct inode *inode) struct f2fs_inode_info *fi = F2FS_I(inode); fi->i_disk_time[0] = inode->i_atime; - fi->i_disk_time[1] = inode->i_ctime; + fi->i_disk_time[1] = inode_get_ctime(inode); fi->i_disk_time[2] = inode->i_mtime; } @@ -434,10 +434,10 @@ static int do_read_inode(struct inode *inode) inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1); inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); - inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); + inode_set_ctime(inode, le64_to_cpu(ri->i_ctime), + le32_to_cpu(ri->i_ctime_nsec)); inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime); inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec); - inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); inode->i_generation = le32_to_cpu(ri->i_generation); if (S_ISDIR(inode->i_mode)) @@ -714,10 +714,10 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page) set_raw_inline(inode, ri); ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec); - ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); + ri->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); - ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + ri->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); if (S_ISDIR(inode->i_mode)) ri->i_current_depth = diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index bee0568888da..193b22a2d6bf 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -243,7 +243,7 @@ static struct inode *f2fs_new_inode(struct mnt_idmap *idmap, inode->i_ino = ino; inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); F2FS_I(inode)->i_crtime = inode->i_mtime; inode->i_generation = get_random_u32(); @@ -420,7 +420,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir, f2fs_balance_fs(sbi, true); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ihold(inode); set_inode_flag(inode, FI_INC_LINK); @@ -1052,7 +1052,7 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir, f2fs_set_link(new_dir, new_entry, new_page, old_inode); new_page = NULL; - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); f2fs_down_write(&F2FS_I(new_inode)->i_sem); if (old_dir_entry) f2fs_i_links_write(new_inode, false); @@ -1086,7 +1086,7 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir, f2fs_i_pino_write(old_inode, new_dir->i_ino); f2fs_up_write(&F2FS_I(old_inode)->i_sem); - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); f2fs_mark_inode_dirty_sync(old_inode, false); f2fs_delete_entry(old_entry, old_page, old_dir, NULL); @@ -1251,7 +1251,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, f2fs_i_pino_write(old_inode, new_dir->i_ino); f2fs_up_write(&F2FS_I(old_inode)->i_sem); - old_dir->i_ctime = current_time(old_dir); + inode_set_ctime_current(old_dir); if (old_nlink) { f2fs_down_write(&F2FS_I(old_dir)->i_sem); f2fs_i_links_write(old_dir, old_nlink > 0); @@ -1270,7 +1270,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, f2fs_i_pino_write(new_inode, old_dir->i_ino); f2fs_up_write(&F2FS_I(new_inode)->i_sem); - new_dir->i_ctime = current_time(new_dir); + inode_set_ctime_current(new_dir); if (new_nlink) { f2fs_down_write(&F2FS_I(new_dir)->i_sem); f2fs_i_links_write(new_dir, new_nlink > 0); diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 4e7d4ceeb084..b8637e88d94f 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -321,10 +321,10 @@ static int recover_inode(struct inode *inode, struct page *page) f2fs_i_size_write(inode, le64_to_cpu(raw->i_size)); inode->i_atime.tv_sec = le64_to_cpu(raw->i_atime); - inode->i_ctime.tv_sec = le64_to_cpu(raw->i_ctime); + inode_set_ctime(inode, le64_to_cpu(raw->i_ctime), + le32_to_cpu(raw->i_ctime_nsec)); inode->i_mtime.tv_sec = le64_to_cpu(raw->i_mtime); inode->i_atime.tv_nsec = le32_to_cpu(raw->i_atime_nsec); - inode->i_ctime.tv_nsec = le32_to_cpu(raw->i_ctime_nsec); inode->i_mtime.tv_nsec = le32_to_cpu(raw->i_mtime_nsec); F2FS_I(inode)->i_advise = raw->i_advise; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index ca31163da00a..aa1f9a3a8037 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1561,7 +1561,7 @@ static void destroy_device_list(struct f2fs_sb_info *sbi) int i; for (i = 0; i < sbi->s_ndevs; i++) { - blkdev_put(FDEV(i).bdev, sbi->sb->s_type); + blkdev_put(FDEV(i).bdev, sbi->sb); #ifdef CONFIG_BLK_DEV_ZONED kvfree(FDEV(i).blkz_seq); #endif @@ -2703,7 +2703,7 @@ retry: if (len == towrite) return err; - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); f2fs_mark_inode_dirty_sync(inode, false); return len - towrite; } @@ -4198,7 +4198,7 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi) /* Single zoned block device mount */ FDEV(0).bdev = blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, mode, - sbi->sb->s_type, NULL); + sbi->sb, NULL); } else { /* Multi-device mount */ memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); @@ -4217,8 +4217,7 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi) sbi->log_blocks_per_seg) - 1; } FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, mode, - sbi->sb->s_type, - NULL); + sbi->sb, NULL); } if (IS_ERR(FDEV(i).bdev)) return PTR_ERR(FDEV(i).bdev); diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 476b186b90a6..4ae93e1df421 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -764,7 +764,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, same: if (is_inode_flag_set(inode, FI_ACL_MODE)) { inode->i_mode = F2FS_I(inode)->i_acl_mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); clear_inode_flag(inode, FI_ACL_MODE); } diff --git a/fs/fat/fat.h b/fs/fat/fat.h index e3b690b48e3e..66cf4778cf3b 100644 --- a/fs/fat/fat.h +++ b/fs/fat/fat.h @@ -460,8 +460,7 @@ extern struct timespec64 fat_truncate_mtime(const struct msdos_sb_info *sbi, const struct timespec64 *ts); extern int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags); -extern int fat_update_time(struct inode *inode, struct timespec64 *now, - int flags); +extern int fat_update_time(struct inode *inode, int flags); extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs); int fat_cache_init(void); diff --git a/fs/fat/file.c b/fs/fat/file.c index 456477946dd9..e887e9ab7472 100644 --- a/fs/fat/file.c +++ b/fs/fat/file.c @@ -401,7 +401,7 @@ int fat_getattr(struct mnt_idmap *idmap, const struct path *path, struct inode *inode = d_inode(path->dentry); struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); stat->blksize = sbi->cluster_size; if (sbi->options.nfs == FAT_NFS_NOSTALE_RO) { diff --git a/fs/fat/inode.c b/fs/fat/inode.c index d99b8549ec8f..cdd39b6020f3 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -562,7 +562,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de) & ~((loff_t)sbi->cluster_size - 1)) >> 9; fat_time_fat2unix(sbi, &inode->i_mtime, de->time, de->date, 0); - inode->i_ctime = inode->i_mtime; + inode_set_ctime_to_ts(inode, inode->i_mtime); if (sbi->options.isvfat) { fat_time_fat2unix(sbi, &inode->i_atime, 0, de->adate, 0); fat_time_fat2unix(sbi, &MSDOS_I(inode)->i_crtime, de->ctime, @@ -1407,8 +1407,7 @@ static int fat_read_root(struct inode *inode) MSDOS_I(inode)->mmu_private = inode->i_size; fat_save_attrs(inode, ATTR_DIR); - inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = 0; - inode->i_mtime.tv_nsec = inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = 0; + inode->i_mtime = inode->i_atime = inode_set_ctime(inode, 0, 0); set_nlink(inode, fat_subdirs(inode)+2); return 0; diff --git a/fs/fat/misc.c b/fs/fat/misc.c index 7e5d6ae305f2..f2304a1054aa 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -332,13 +332,14 @@ int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags) * but ctime updates are ignored. */ if (flags & S_MTIME) - inode->i_mtime = inode->i_ctime = fat_truncate_mtime(sbi, now); + inode->i_mtime = inode_set_ctime_to_ts(inode, + fat_truncate_mtime(sbi, now)); return 0; } EXPORT_SYMBOL_GPL(fat_truncate_time); -int fat_update_time(struct inode *inode, struct timespec64 *now, int flags) +int fat_update_time(struct inode *inode, int flags) { int dirty_flags = 0; @@ -346,16 +347,13 @@ int fat_update_time(struct inode *inode, struct timespec64 *now, int flags) return 0; if (flags & (S_ATIME | S_CTIME | S_MTIME)) { - fat_truncate_time(inode, now, flags); + fat_truncate_time(inode, NULL, flags); if (inode->i_sb->s_flags & SB_LAZYTIME) dirty_flags |= I_DIRTY_TIME; else dirty_flags |= I_DIRTY_SYNC; } - if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false)) - dirty_flags |= I_DIRTY_SYNC; - __mark_inode_dirty(inode, dirty_flags); return 0; } diff --git a/fs/fcntl.c b/fs/fcntl.c index b622be119706..e871009f6c88 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -34,7 +34,7 @@ #define SETFL_MASK (O_APPEND | O_NONBLOCK | O_NDELAY | O_DIRECT | O_NOATIME) -static int setfl(int fd, struct file * filp, unsigned long arg) +static int setfl(int fd, struct file * filp, unsigned int arg) { struct inode * inode = file_inode(filp); int error = 0; @@ -112,11 +112,11 @@ void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, } EXPORT_SYMBOL(__f_setown); -int f_setown(struct file *filp, unsigned long arg, int force) +int f_setown(struct file *filp, int who, int force) { enum pid_type type; struct pid *pid = NULL; - int who = arg, ret = 0; + int ret = 0; type = PIDTYPE_TGID; if (who < 0) { @@ -317,28 +317,29 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg, struct file *filp) { void __user *argp = (void __user *)arg; + int argi = (int)arg; struct flock flock; long err = -EINVAL; switch (cmd) { case F_DUPFD: - err = f_dupfd(arg, filp, 0); + err = f_dupfd(argi, filp, 0); break; case F_DUPFD_CLOEXEC: - err = f_dupfd(arg, filp, O_CLOEXEC); + err = f_dupfd(argi, filp, O_CLOEXEC); break; case F_GETFD: err = get_close_on_exec(fd) ? FD_CLOEXEC : 0; break; case F_SETFD: err = 0; - set_close_on_exec(fd, arg & FD_CLOEXEC); + set_close_on_exec(fd, argi & FD_CLOEXEC); break; case F_GETFL: err = filp->f_flags; break; case F_SETFL: - err = setfl(fd, filp, arg); + err = setfl(fd, filp, argi); break; #if BITS_PER_LONG != 32 /* 32-bit arches must use fcntl64() */ @@ -375,7 +376,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg, force_successful_syscall_return(); break; case F_SETOWN: - err = f_setown(filp, arg, 1); + err = f_setown(filp, argi, 1); break; case F_GETOWN_EX: err = f_getown_ex(filp, arg); @@ -391,28 +392,28 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg, break; case F_SETSIG: /* arg == 0 restores default behaviour. */ - if (!valid_signal(arg)) { + if (!valid_signal(argi)) { break; } err = 0; - filp->f_owner.signum = arg; + filp->f_owner.signum = argi; break; case F_GETLEASE: err = fcntl_getlease(filp); break; case F_SETLEASE: - err = fcntl_setlease(fd, filp, arg); + err = fcntl_setlease(fd, filp, argi); break; case F_NOTIFY: - err = fcntl_dirnotify(fd, filp, arg); + err = fcntl_dirnotify(fd, filp, argi); break; case F_SETPIPE_SZ: case F_GETPIPE_SZ: - err = pipe_fcntl(filp, cmd, arg); + err = pipe_fcntl(filp, cmd, argi); break; case F_ADD_SEALS: case F_GET_SEALS: - err = memfd_fcntl(filp, cmd, arg); + err = memfd_fcntl(filp, cmd, argi); break; case F_GET_RW_HINT: case F_SET_RW_HINT: diff --git a/fs/file.c b/fs/file.c index 3fd003a8604f..3e4a4dfa38fc 100644 --- a/fs/file.c +++ b/fs/file.c @@ -668,7 +668,7 @@ EXPORT_SYMBOL(close_fd); /* for ksys_close() */ /** * last_fd - return last valid index into fd table - * @cur_fds: files struct + * @fdt: File descriptor table. * * Context: Either rcu read lock or files_lock must be held. * @@ -693,29 +693,30 @@ static inline void __range_cloexec(struct files_struct *cur_fds, spin_unlock(&cur_fds->file_lock); } -static inline void __range_close(struct files_struct *cur_fds, unsigned int fd, +static inline void __range_close(struct files_struct *files, unsigned int fd, unsigned int max_fd) { + struct file *file; unsigned n; - rcu_read_lock(); - n = last_fd(files_fdtable(cur_fds)); - rcu_read_unlock(); + spin_lock(&files->file_lock); + n = last_fd(files_fdtable(files)); max_fd = min(max_fd, n); - while (fd <= max_fd) { - struct file *file; - - spin_lock(&cur_fds->file_lock); - file = pick_file(cur_fds, fd++); - spin_unlock(&cur_fds->file_lock); - + for (; fd <= max_fd; fd++) { + file = pick_file(files, fd); if (file) { - /* found a valid file to close */ - filp_close(file, cur_fds); + spin_unlock(&files->file_lock); + filp_close(file, files); cond_resched(); + spin_lock(&files->file_lock); + } else if (need_resched()) { + spin_unlock(&files->file_lock); + cond_resched(); + spin_lock(&files->file_lock); } } + spin_unlock(&files->file_lock); } /** @@ -723,6 +724,7 @@ static inline void __range_close(struct files_struct *cur_fds, unsigned int fd, * * @fd: starting file descriptor to close * @max_fd: last file descriptor to close + * @flags: CLOSE_RANGE flags. * * This closes a range of file descriptors. All file descriptors * from @fd up to and including @max_fd are closed. diff --git a/fs/file_table.c b/fs/file_table.c index fc7d677ff5ad..ee21b3da9d08 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -461,11 +461,8 @@ void fput(struct file *file) */ void __fput_sync(struct file *file) { - if (atomic_long_dec_and_test(&file->f_count)) { - struct task_struct *task = current; - BUG_ON(!(task->flags & PF_KTHREAD)); + if (atomic_long_dec_and_test(&file->f_count)) __fput(file); - } } EXPORT_SYMBOL(fput); diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c index ceb6a12649ba..ac5d43b164b5 100644 --- a/fs/freevxfs/vxfs_inode.c +++ b/fs/freevxfs/vxfs_inode.c @@ -110,10 +110,9 @@ static inline void dip2vip_cpy(struct vxfs_sb_info *sbi, inode->i_size = vip->vii_size; inode->i_atime.tv_sec = vip->vii_atime; - inode->i_ctime.tv_sec = vip->vii_ctime; + inode_set_ctime(inode, vip->vii_ctime, 0); inode->i_mtime.tv_sec = vip->vii_mtime; inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; inode->i_mtime.tv_nsec = 0; inode->i_blocks = vip->vii_blocks; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index aca4b4811394..969ce991b0b0 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -1953,9 +1953,9 @@ static long __writeback_inodes_wb(struct bdi_writeback *wb, struct inode *inode = wb_inode(wb->b_io.prev); struct super_block *sb = inode->i_sb; - if (!trylock_super(sb)) { + if (!super_trylock_shared(sb)) { /* - * trylock_super() may fail consistently due to + * super_trylock_shared() may fail consistently due to * s_umount being grabbed by someone else. Don't use * requeue_io() to avoid busy retrying the inode/sb. */ diff --git a/fs/fs_context.c b/fs/fs_context.c index 851214d1d013..a0ad7a0c4680 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -162,6 +162,10 @@ EXPORT_SYMBOL(vfs_parse_fs_param); /** * vfs_parse_fs_string - Convenience function to just parse a string. + * @fc: Filesystem context. + * @key: Parameter name. + * @value: Default value. + * @v_size: Maximum number of bytes in the value. */ int vfs_parse_fs_string(struct fs_context *fc, const char *key, const char *value, size_t v_size) @@ -189,7 +193,7 @@ EXPORT_SYMBOL(vfs_parse_fs_string); /** * generic_parse_monolithic - Parse key[=val][,key[=val]]* mount data - * @ctx: The superblock configuration to fill in. + * @fc: The superblock configuration to fill in. * @data: The data to parse * * Parse a blob of data that's in key[=val][,key[=val]]* form. This can be @@ -315,10 +319,31 @@ struct fs_context *fs_context_for_reconfigure(struct dentry *dentry, } EXPORT_SYMBOL(fs_context_for_reconfigure); +/** + * fs_context_for_submount: allocate a new fs_context for a submount + * @type: file_system_type of the new context + * @reference: reference dentry from which to copy relevant info + * + * Allocate a new fs_context suitable for a submount. This also ensures that + * the fc->security object is inherited from @reference (if needed). + */ struct fs_context *fs_context_for_submount(struct file_system_type *type, struct dentry *reference) { - return alloc_fs_context(type, reference, 0, 0, FS_CONTEXT_FOR_SUBMOUNT); + struct fs_context *fc; + int ret; + + fc = alloc_fs_context(type, reference, 0, 0, FS_CONTEXT_FOR_SUBMOUNT); + if (IS_ERR(fc)) + return fc; + + ret = security_fs_context_submount(fc, reference->d_sb); + if (ret) { + put_fs_context(fc); + return ERR_PTR(ret); + } + + return fc; } EXPORT_SYMBOL(fs_context_for_submount); @@ -333,7 +358,7 @@ void fc_drop_locked(struct fs_context *fc) static void legacy_fs_context_free(struct fs_context *fc); /** - * vfs_dup_fc_config: Duplicate a filesystem context. + * vfs_dup_fs_context - Duplicate a filesystem context. * @src_fc: The context to copy. */ struct fs_context *vfs_dup_fs_context(struct fs_context *src_fc) @@ -379,7 +404,9 @@ EXPORT_SYMBOL(vfs_dup_fs_context); /** * logfc - Log a message to a filesystem context - * @fc: The filesystem context to log to. + * @log: The filesystem context to log to, or NULL to use printk. + * @prefix: A string to prefix the output with, or NULL. + * @level: 'w' for a warning, 'e' for an error. Anything else is a notice. * @fmt: The format of the buffer. */ void logfc(struct fc_log *log, const char *prefix, char level, const char *fmt, ...) @@ -692,6 +719,7 @@ void vfs_clean_context(struct fs_context *fc) security_free_mnt_opts(&fc->security); kfree(fc->source); fc->source = NULL; + fc->exclusive = false; fc->purpose = FS_CONTEXT_FOR_RECONFIGURE; fc->phase = FS_CONTEXT_AWAITING_RECONF; diff --git a/fs/fsopen.c b/fs/fsopen.c index fc9d2d9fd234..ce03f6521c88 100644 --- a/fs/fsopen.c +++ b/fs/fsopen.c @@ -209,6 +209,72 @@ err: return ret; } +static int vfs_cmd_create(struct fs_context *fc, bool exclusive) +{ + struct super_block *sb; + int ret; + + if (fc->phase != FS_CONTEXT_CREATE_PARAMS) + return -EBUSY; + + if (!mount_capable(fc)) + return -EPERM; + + /* require the new mount api */ + if (exclusive && fc->ops == &legacy_fs_context_ops) + return -EOPNOTSUPP; + + fc->phase = FS_CONTEXT_CREATING; + fc->exclusive = exclusive; + + ret = vfs_get_tree(fc); + if (ret) { + fc->phase = FS_CONTEXT_FAILED; + return ret; + } + + sb = fc->root->d_sb; + ret = security_sb_kern_mount(sb); + if (unlikely(ret)) { + fc_drop_locked(fc); + fc->phase = FS_CONTEXT_FAILED; + return ret; + } + + /* vfs_get_tree() callchains will have grabbed @s_umount */ + up_write(&sb->s_umount); + fc->phase = FS_CONTEXT_AWAITING_MOUNT; + return 0; +} + +static int vfs_cmd_reconfigure(struct fs_context *fc) +{ + struct super_block *sb; + int ret; + + if (fc->phase != FS_CONTEXT_RECONF_PARAMS) + return -EBUSY; + + fc->phase = FS_CONTEXT_RECONFIGURING; + + sb = fc->root->d_sb; + if (!ns_capable(sb->s_user_ns, CAP_SYS_ADMIN)) { + fc->phase = FS_CONTEXT_FAILED; + return -EPERM; + } + + down_write(&sb->s_umount); + ret = reconfigure_super(fc); + up_write(&sb->s_umount); + if (ret) { + fc->phase = FS_CONTEXT_FAILED; + return ret; + } + + vfs_clean_context(fc); + return 0; +} + /* * Check the state and apply the configuration. Note that this function is * allowed to 'steal' the value by setting param->xxx to NULL before returning. @@ -216,7 +282,6 @@ err: static int vfs_fsconfig_locked(struct fs_context *fc, int cmd, struct fs_parameter *param) { - struct super_block *sb; int ret; ret = finish_clean_context(fc); @@ -224,39 +289,11 @@ static int vfs_fsconfig_locked(struct fs_context *fc, int cmd, return ret; switch (cmd) { case FSCONFIG_CMD_CREATE: - if (fc->phase != FS_CONTEXT_CREATE_PARAMS) - return -EBUSY; - if (!mount_capable(fc)) - return -EPERM; - fc->phase = FS_CONTEXT_CREATING; - ret = vfs_get_tree(fc); - if (ret) - break; - sb = fc->root->d_sb; - ret = security_sb_kern_mount(sb); - if (unlikely(ret)) { - fc_drop_locked(fc); - break; - } - up_write(&sb->s_umount); - fc->phase = FS_CONTEXT_AWAITING_MOUNT; - return 0; + return vfs_cmd_create(fc, false); + case FSCONFIG_CMD_CREATE_EXCL: + return vfs_cmd_create(fc, true); case FSCONFIG_CMD_RECONFIGURE: - if (fc->phase != FS_CONTEXT_RECONF_PARAMS) - return -EBUSY; - fc->phase = FS_CONTEXT_RECONFIGURING; - sb = fc->root->d_sb; - if (!ns_capable(sb->s_user_ns, CAP_SYS_ADMIN)) { - ret = -EPERM; - break; - } - down_write(&sb->s_umount); - ret = reconfigure_super(fc); - up_write(&sb->s_umount); - if (ret) - break; - vfs_clean_context(fc); - return 0; + return vfs_cmd_reconfigure(fc); default: if (fc->phase != FS_CONTEXT_CREATE_PARAMS && fc->phase != FS_CONTEXT_RECONF_PARAMS) @@ -264,8 +301,6 @@ static int vfs_fsconfig_locked(struct fs_context *fc, int cmd, return vfs_parse_fs_param(fc, param); } - fc->phase = FS_CONTEXT_FAILED; - return ret; } /** @@ -353,6 +388,7 @@ SYSCALL_DEFINE5(fsconfig, return -EINVAL; break; case FSCONFIG_CMD_CREATE: + case FSCONFIG_CMD_CREATE_EXCL: case FSCONFIG_CMD_RECONFIGURE: if (_key || _value || aux) return -EINVAL; diff --git a/fs/fuse/control.c b/fs/fuse/control.c index 247ef4f76761..ab62e4624256 100644 --- a/fs/fuse/control.c +++ b/fs/fuse/control.c @@ -235,7 +235,7 @@ static struct dentry *fuse_ctl_add_dentry(struct dentry *parent, inode->i_mode = mode; inode->i_uid = fc->user_id; inode->i_gid = fc->group_id; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); /* setting ->i_op to NULL is not allowed */ if (iop) inode->i_op = iop; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index f67bef9d83c4..881524b9a55a 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -933,7 +933,7 @@ void fuse_flush_time_update(struct inode *inode) static void fuse_update_ctime_in_cache(struct inode *inode) { if (!IS_NOCMTIME(inode)) { - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty_sync(inode); fuse_flush_time_update(inode); } @@ -1222,7 +1222,7 @@ static int fuse_update_get_attr(struct inode *inode, struct file *file, forget_all_cached_acls(inode); err = fuse_do_getattr(inode, stat, file); } else if (stat) { - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->mode = fi->orig_i_mode; stat->ino = fi->orig_ino; } @@ -1715,8 +1715,8 @@ int fuse_flush_times(struct inode *inode, struct fuse_file *ff) inarg.mtimensec = inode->i_mtime.tv_nsec; if (fm->fc->minor >= 23) { inarg.valid |= FATTR_CTIME; - inarg.ctime = inode->i_ctime.tv_sec; - inarg.ctimensec = inode->i_ctime.tv_nsec; + inarg.ctime = inode_get_ctime(inode).tv_sec; + inarg.ctimensec = inode_get_ctime(inode).tv_nsec; } if (ff) { inarg.valid |= FATTR_FH; @@ -1857,7 +1857,7 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr, if (attr->ia_valid & ATTR_MTIME) inode->i_mtime = attr->ia_mtime; if (attr->ia_valid & ATTR_CTIME) - inode->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(inode, attr->ia_ctime); /* FIXME: clear I_DIRTY_SYNC? */ } diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index f19d748890f0..549358ffea8b 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -194,8 +194,7 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr, inode->i_mtime.tv_nsec = attr->mtimensec; } if (!(cache_mask & STATX_CTIME)) { - inode->i_ctime.tv_sec = attr->ctime; - inode->i_ctime.tv_nsec = attr->ctimensec; + inode_set_ctime(inode, attr->ctime, attr->ctimensec); } if (attr->blksize != 0) @@ -259,8 +258,8 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr, attr->mtimensec = inode->i_mtime.tv_nsec; } if (cache_mask & STATX_CTIME) { - attr->ctime = inode->i_ctime.tv_sec; - attr->ctimensec = inode->i_ctime.tv_nsec; + attr->ctime = inode_get_ctime(inode).tv_sec; + attr->ctimensec = inode_get_ctime(inode).tv_nsec; } if ((attr_version != 0 && fi->attr_version > attr_version) || @@ -318,8 +317,7 @@ static void fuse_init_inode(struct inode *inode, struct fuse_attr *attr, inode->i_size = attr->size; inode->i_mtime.tv_sec = attr->mtime; inode->i_mtime.tv_nsec = attr->mtimensec; - inode->i_ctime.tv_sec = attr->ctime; - inode->i_ctime.tv_nsec = attr->ctimensec; + inode_set_ctime(inode, attr->ctime, attr->ctimensec); if (S_ISREG(inode->i_mode)) { fuse_init_common(inode); fuse_init_file_inode(inode, attr->flags); @@ -1401,16 +1399,18 @@ EXPORT_SYMBOL_GPL(fuse_dev_free); static void fuse_fill_attr_from_inode(struct fuse_attr *attr, const struct fuse_inode *fi) { + struct timespec64 ctime = inode_get_ctime(&fi->inode); + *attr = (struct fuse_attr){ .ino = fi->inode.i_ino, .size = fi->inode.i_size, .blocks = fi->inode.i_blocks, .atime = fi->inode.i_atime.tv_sec, .mtime = fi->inode.i_mtime.tv_sec, - .ctime = fi->inode.i_ctime.tv_sec, + .ctime = ctime.tv_sec, .atimensec = fi->inode.i_atime.tv_nsec, .mtimensec = fi->inode.i_mtime.tv_nsec, - .ctimensec = fi->inode.i_ctime.tv_nsec, + .ctimensec = ctime.tv_nsec, .mode = fi->inode.i_mode, .nlink = fi->inode.i_nlink, .uid = fi->inode.i_uid.val, diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index a392aa0f041d..443640e6fb9c 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -142,7 +142,7 @@ int gfs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, ret = __gfs2_set_acl(inode, acl, type); if (!ret && mode != inode->i_mode) { - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode->i_mode = mode; mark_inode_dirty(inode); } diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 8d611fbcf0bd..45ea63f7167d 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1386,7 +1386,7 @@ static int trunc_start(struct inode *inode, u64 newsize) ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG; i_size_write(inode, newsize); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); gfs2_dinode_out(ip, dibh->b_data); if (journaled) @@ -1583,8 +1583,7 @@ out_unlock: /* Every transaction boundary, we rewrite the dinode to keep its di_blocks current in case of failure. */ - ip->i_inode.i_mtime = ip->i_inode.i_ctime = - current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -1950,7 +1949,7 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length) gfs2_statfs_change(sdp, 0, +btotal, 0); gfs2_quota_change(ip, -(s64)btotal, ip->i_inode.i_uid, ip->i_inode.i_gid); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); up_write(&ip->i_rw_mutex); @@ -1993,7 +1992,7 @@ static int trunc_end(struct gfs2_inode *ip) gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); gfs2_ordered_del_inode(ip); } - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_meta(ip->i_gl, dibh); @@ -2094,7 +2093,7 @@ static int do_grow(struct inode *inode, u64 size) goto do_end_trans; truncate_setsize(inode, size); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 54a6d17b8c25..1a2afa88f8be 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -130,7 +130,7 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf, memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size); if (ip->i_inode.i_size < offset + size) i_size_write(&ip->i_inode, offset + size); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -227,7 +227,7 @@ out: if (ip->i_inode.i_size < offset + copied) i_size_write(&ip->i_inode, offset + copied); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); @@ -1814,7 +1814,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, gfs2_inum_out(nip, dent); dent->de_type = cpu_to_be16(IF2DT(nip->i_inode.i_mode)); dent->de_rahead = cpu_to_be16(gfs2_inode_ra_len(nip)); - tv = current_time(&ip->i_inode); + tv = inode_set_ctime_current(&ip->i_inode); if (ip->i_diskflags & GFS2_DIF_EXHASH) { leaf = (struct gfs2_leaf *)bh->b_data; be16_add_cpu(&leaf->lf_entries, 1); @@ -1825,7 +1825,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, da->bh = NULL; brelse(bh); ip->i_entries++; - ip->i_inode.i_mtime = ip->i_inode.i_ctime = tv; + ip->i_inode.i_mtime = tv; if (S_ISDIR(nip->i_inode.i_mode)) inc_nlink(&ip->i_inode); mark_inode_dirty(inode); @@ -1876,7 +1876,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry) const struct qstr *name = &dentry->d_name; struct gfs2_dirent *dent, *prev = NULL; struct buffer_head *bh; - struct timespec64 tv = current_time(&dip->i_inode); + struct timespec64 tv; /* Returns _either_ the entry (if its first in block) or the previous entry otherwise */ @@ -1896,6 +1896,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry) } dirent_del(dip, bh, prev, dent); + tv = inode_set_ctime_current(&dip->i_inode); if (dip->i_diskflags & GFS2_DIF_EXHASH) { struct gfs2_leaf *leaf = (struct gfs2_leaf *)bh->b_data; u16 entries = be16_to_cpu(leaf->lf_entries); @@ -1910,7 +1911,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry) if (!dip->i_entries) gfs2_consist_inode(dip); dip->i_entries--; - dip->i_inode.i_mtime = dip->i_inode.i_ctime = tv; + dip->i_inode.i_mtime = tv; if (d_is_dir(dentry)) drop_nlink(&dip->i_inode); mark_inode_dirty(&dip->i_inode); @@ -1951,7 +1952,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, dent->de_type = cpu_to_be16(new_type); brelse(bh); - dip->i_inode.i_mtime = dip->i_inode.i_ctime = current_time(&dip->i_inode); + dip->i_inode.i_mtime = inode_set_ctime_current(&dip->i_inode); mark_inode_dirty_sync(&dip->i_inode); return 0; } diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 1bf3c4453516..766186c80682 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -260,7 +260,7 @@ static int do_gfs2_set_flags(struct inode *inode, u32 reqflags, u32 mask) error = gfs2_meta_inode_buffer(ip, &bh); if (error) goto out_trans_end; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); gfs2_trans_add_meta(ip->i_gl, bh); ip->i_diskflags = new_flags; gfs2_dinode_out(ip, bh->b_data); @@ -1578,7 +1578,7 @@ const struct file_operations gfs2_file_fops = { .fsync = gfs2_fsync, .lock = gfs2_lock, .flock = gfs2_flock, - .splice_read = filemap_splice_read, + .splice_read = copy_splice_read, .splice_write = gfs2_file_splice_write, .setlease = simple_nosetlease, .fallocate = gfs2_fallocate, @@ -1609,7 +1609,7 @@ const struct file_operations gfs2_file_fops_nolock = { .open = gfs2_open, .release = gfs2_release, .fsync = gfs2_fsync, - .splice_read = filemap_splice_read, + .splice_read = copy_splice_read, .splice_write = gfs2_file_splice_write, .setlease = generic_setlease, .fallocate = gfs2_fallocate, diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 54319328b16b..aecdac3cfbe1 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -437,8 +437,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) inode->i_atime = atime; inode->i_mtime.tv_sec = be64_to_cpu(str->di_mtime); inode->i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec); - inode->i_ctime.tv_sec = be64_to_cpu(str->di_ctime); - inode->i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); + inode_set_ctime(inode, be64_to_cpu(str->di_ctime), + be32_to_cpu(str->di_ctime_nsec)); ip->i_goal = be64_to_cpu(str->di_goal_meta); ip->i_generation = be64_to_cpu(str->di_generation); diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 17c994a0c0d0..a21ac41d6669 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -690,7 +690,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, set_nlink(inode, S_ISDIR(mode) ? 2 : 1); inode->i_rdev = dev; inode->i_size = size; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); munge_mode_uid_gid(dip, inode); check_and_update_goal(dip); ip->i_goal = dip->i_goal; @@ -1029,7 +1029,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, gfs2_trans_add_meta(ip->i_gl, dibh); inc_nlink(&ip->i_inode); - ip->i_inode.i_ctime = current_time(&ip->i_inode); + inode_set_ctime_current(&ip->i_inode); ihold(inode); d_instantiate(dentry, inode); mark_inode_dirty(inode); @@ -1114,7 +1114,7 @@ static int gfs2_unlink_inode(struct gfs2_inode *dip, return error; ip->i_entries = 0; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (S_ISDIR(inode->i_mode)) clear_nlink(inode); else @@ -1371,7 +1371,7 @@ static int update_moved_ino(struct gfs2_inode *ip, struct gfs2_inode *ndip, if (dir_rename) return gfs2_dir_mvino(ip, &gfs2_qdotdot, ndip, DT_DIR); - ip->i_inode.i_ctime = current_time(&ip->i_inode); + inode_set_ctime_current(&ip->i_inode); mark_inode_dirty_sync(&ip->i_inode); return 0; } @@ -2071,7 +2071,7 @@ static int gfs2_getattr(struct mnt_idmap *idmap, STATX_ATTR_IMMUTABLE | STATX_ATTR_NODUMP); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); if (gfs2_holder_initialized(&gh)) gfs2_glock_dq_uninit(&gh); @@ -2139,8 +2139,7 @@ loff_t gfs2_seek_hole(struct file *file, loff_t offset) return vfs_setpos(file, ret, inode->i_sb->s_maxbytes); } -static int gfs2_update_time(struct inode *inode, struct timespec64 *time, - int flags) +static int gfs2_update_time(struct inode *inode, int flags) { struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_glock *gl = ip->i_gl; @@ -2155,7 +2154,8 @@ static int gfs2_update_time(struct inode *inode, struct timespec64 *time, if (error) return error; } - return generic_update_time(inode, time, flags); + generic_update_time(inode, flags); + return 0; } static const struct inode_operations gfs2_file_iops = { diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 704192b73605..aa5fd06d47bc 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -871,7 +871,7 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc, size = loc + sizeof(struct gfs2_quota); if (size > inode->i_size) i_size_write(inode, size); - inode->i_mtime = inode->i_atime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); set_bit(QDF_REFRESH, &qd->qd_flags); } diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 9f4d5d6549ee..2f701335e8ee 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -412,7 +412,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(inode)); str->di_atime = cpu_to_be64(inode->i_atime.tv_sec); str->di_mtime = cpu_to_be64(inode->i_mtime.tv_sec); - str->di_ctime = cpu_to_be64(inode->i_ctime.tv_sec); + str->di_ctime = cpu_to_be64(inode_get_ctime(inode).tv_sec); str->di_goal_meta = cpu_to_be64(ip->i_goal); str->di_goal_data = cpu_to_be64(ip->i_goal); @@ -429,7 +429,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_eattr = cpu_to_be64(ip->i_eattr); str->di_atime_nsec = cpu_to_be32(inode->i_atime.tv_nsec); str->di_mtime_nsec = cpu_to_be32(inode->i_mtime.tv_nsec); - str->di_ctime_nsec = cpu_to_be32(inode->i_ctime.tv_nsec); + str->di_ctime_nsec = cpu_to_be32(inode_get_ctime(inode).tv_nsec); } /** @@ -689,7 +689,7 @@ static int gfs2_freeze_locally(struct gfs2_sbd *sdp) struct super_block *sb = sdp->sd_vfs; int error; - error = freeze_super(sb); + error = freeze_super(sb, FREEZE_HOLDER_USERSPACE); if (error) return error; @@ -697,7 +697,9 @@ static int gfs2_freeze_locally(struct gfs2_sbd *sdp) gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE | GFS2_LFC_FREEZE_GO_SYNC); if (gfs2_withdrawn(sdp)) { - thaw_super(sb); + error = thaw_super(sb, FREEZE_HOLDER_USERSPACE); + if (error) + return error; return -EIO; } } @@ -712,7 +714,7 @@ static int gfs2_do_thaw(struct gfs2_sbd *sdp) error = gfs2_freeze_lock_shared(sdp); if (error) goto fail; - error = thaw_super(sb); + error = thaw_super(sb, FREEZE_HOLDER_USERSPACE); if (!error) return 0; @@ -761,7 +763,7 @@ out: * */ -static int gfs2_freeze_super(struct super_block *sb) +static int gfs2_freeze_super(struct super_block *sb, enum freeze_holder who) { struct gfs2_sbd *sdp = sb->s_fs_info; int error; @@ -816,7 +818,7 @@ out: * */ -static int gfs2_thaw_super(struct super_block *sb) +static int gfs2_thaw_super(struct super_block *sb, enum freeze_holder who) { struct gfs2_sbd *sdp = sb->s_fs_info; int error; diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 2dfbe2f188dd..c60bc7f628e1 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -168,10 +168,10 @@ static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len) switch (n) { case 0: - error = thaw_super(sdp->sd_vfs); + error = thaw_super(sdp->sd_vfs, FREEZE_HOLDER_USERSPACE); break; case 1: - error = freeze_super(sdp->sd_vfs); + error = freeze_super(sdp->sd_vfs, FREEZE_HOLDER_USERSPACE); break; default: return -EINVAL; diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index ec1631257978..7e835be7032d 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -230,9 +230,11 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + struct super_block *sb = sdp->sd_vfs; struct gfs2_bufdata *bd; struct gfs2_meta_header *mh; struct gfs2_trans *tr = current->journal_info; + bool withdraw = false; lock_buffer(bh); if (buffer_pinned(bh)) { @@ -266,13 +268,15 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh) (unsigned long long)bd->bd_bh->b_blocknr); BUG(); } - if (unlikely(test_bit(SDF_FROZEN, &sdp->sd_flags))) { - fs_info(sdp, "GFS2:adding buf while frozen\n"); - gfs2_assert_withdraw(sdp, 0); - } if (unlikely(gfs2_withdrawn(sdp))) { fs_info(sdp, "GFS2:adding buf while withdrawn! 0x%llx\n", (unsigned long long)bd->bd_bh->b_blocknr); + goto out_unlock; + } + if (unlikely(sb->s_writers.frozen == SB_FREEZE_COMPLETE)) { + fs_info(sdp, "GFS2:adding buf while frozen\n"); + withdraw = true; + goto out_unlock; } gfs2_pin(sdp, bd->bd_bh); mh->__pad0 = cpu_to_be64(0); @@ -281,6 +285,8 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh) tr->tr_num_buf_new++; out_unlock: gfs2_log_unlock(sdp); + if (withdraw) + gfs2_assert_withdraw(sdp, 0); out: unlock_buffer(bh); } diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c index 93b36d026bb4..4fea70c0fe3d 100644 --- a/fs/gfs2/xattr.c +++ b/fs/gfs2/xattr.c @@ -311,7 +311,7 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, ea->ea_num_ptrs = 0; } - ip->i_inode.i_ctime = current_time(&ip->i_inode); + inode_set_ctime_current(&ip->i_inode); __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC); gfs2_trans_end(sdp); @@ -763,7 +763,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) goto out_end_trans; - ip->i_inode.i_ctime = current_time(&ip->i_inode); + inode_set_ctime_current(&ip->i_inode); __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC); out_end_trans: @@ -888,7 +888,7 @@ static int ea_set_simple_noalloc(struct gfs2_inode *ip, struct buffer_head *bh, if (es->es_el) ea_set_remove_stuffed(ip, es->es_el); - ip->i_inode.i_ctime = current_time(&ip->i_inode); + inode_set_ctime_current(&ip->i_inode); __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC); gfs2_trans_end(GFS2_SB(&ip->i_inode)); @@ -1106,7 +1106,7 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el) ea->ea_type = GFS2_EATYPE_UNUSED; } - ip->i_inode.i_ctime = current_time(&ip->i_inode); + inode_set_ctime_current(&ip->i_inode); __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC); gfs2_trans_end(GFS2_SB(&ip->i_inode)); diff --git a/fs/hfs/catalog.c b/fs/hfs/catalog.c index d365bf0b8c77..632c226a3972 100644 --- a/fs/hfs/catalog.c +++ b/fs/hfs/catalog.c @@ -133,7 +133,7 @@ int hfs_cat_create(u32 cnid, struct inode *dir, const struct qstr *str, struct i goto err1; dir->i_size++; - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); hfs_find_exit(&fd); return 0; @@ -269,7 +269,7 @@ int hfs_cat_delete(u32 cnid, struct inode *dir, const struct qstr *str) } dir->i_size--; - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); res = 0; out: @@ -337,7 +337,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name, if (err) goto out; dst_dir->i_size++; - dst_dir->i_mtime = dst_dir->i_ctime = current_time(dst_dir); + dst_dir->i_mtime = inode_set_ctime_current(dst_dir); mark_inode_dirty(dst_dir); /* finally remove the old entry */ @@ -349,7 +349,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name, if (err) goto out; src_dir->i_size--; - src_dir->i_mtime = src_dir->i_ctime = current_time(src_dir); + src_dir->i_mtime = inode_set_ctime_current(src_dir); mark_inode_dirty(src_dir); type = entry.type; diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index 3e1e3dcf0b48..b75c26045df4 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -263,7 +263,7 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry) if (res) return res; clear_nlink(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); hfs_delete_inode(inode); mark_inode_dirty(inode); return 0; diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 441d7fc952e3..ee349b72cfb3 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -200,7 +200,7 @@ struct inode *hfs_new_inode(struct inode *dir, const struct qstr *name, umode_t inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); set_nlink(inode, 1); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); HFS_I(inode)->flags = 0; HFS_I(inode)->rsrc_inode = NULL; HFS_I(inode)->fs_blocks = 0; @@ -355,8 +355,8 @@ static int hfs_read_inode(struct inode *inode, void *data) inode->i_mode |= S_IWUGO; inode->i_mode &= ~hsb->s_file_umask; inode->i_mode |= S_IFREG; - inode->i_ctime = inode->i_atime = inode->i_mtime = - hfs_m_to_utime(rec->file.MdDat); + inode->i_atime = inode->i_mtime = inode_set_ctime_to_ts(inode, + hfs_m_to_utime(rec->file.MdDat)); inode->i_op = &hfs_file_inode_operations; inode->i_fop = &hfs_file_operations; inode->i_mapping->a_ops = &hfs_aops; @@ -366,8 +366,8 @@ static int hfs_read_inode(struct inode *inode, void *data) inode->i_size = be16_to_cpu(rec->dir.Val) + 2; HFS_I(inode)->fs_blocks = 0; inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); - inode->i_ctime = inode->i_atime = inode->i_mtime = - hfs_m_to_utime(rec->dir.MdDat); + inode->i_atime = inode->i_mtime = inode_set_ctime_to_ts(inode, + hfs_m_to_utime(rec->dir.MdDat)); inode->i_op = &hfs_dir_inode_operations; inode->i_fop = &hfs_dir_operations; break; @@ -654,8 +654,7 @@ int hfs_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, truncate_setsize(inode, attr->ia_size); hfs_file_truncate(inode); - inode->i_atime = inode->i_mtime = inode->i_ctime = - current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } setattr_copy(&nop_mnt_idmap, inode, attr); diff --git a/fs/hfs/sysdep.c b/fs/hfs/sysdep.c index 2875961fdc10..dc27d418fbcd 100644 --- a/fs/hfs/sysdep.c +++ b/fs/hfs/sysdep.c @@ -28,7 +28,9 @@ static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags) /* fix up inode on a timezone change */ diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest; if (diff) { - inode->i_ctime.tv_sec += diff; + struct timespec64 ctime = inode_get_ctime(inode); + + inode_set_ctime(inode, ctime.tv_sec + diff, ctime.tv_nsec); inode->i_atime.tv_sec += diff; inode->i_mtime.tv_sec += diff; HFS_I(inode)->tz_secondswest += diff; diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c index 35472cba750e..e71ae2537eaa 100644 --- a/fs/hfsplus/catalog.c +++ b/fs/hfsplus/catalog.c @@ -312,7 +312,7 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir, dir->i_size++; if (S_ISDIR(inode->i_mode)) hfsplus_subfolders_inc(dir); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); hfs_find_exit(&fd); @@ -417,7 +417,7 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, const struct qstr *str) dir->i_size--; if (type == HFSPLUS_FOLDER) hfsplus_subfolders_dec(dir); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); if (type == HFSPLUS_FILE || type == HFSPLUS_FOLDER) { @@ -494,7 +494,7 @@ int hfsplus_rename_cat(u32 cnid, dst_dir->i_size++; if (type == HFSPLUS_FOLDER) hfsplus_subfolders_inc(dst_dir); - dst_dir->i_mtime = dst_dir->i_ctime = current_time(dst_dir); + dst_dir->i_mtime = inode_set_ctime_current(dst_dir); /* finally remove the old entry */ err = hfsplus_cat_build_key(sb, src_fd.search_key, @@ -511,7 +511,7 @@ int hfsplus_rename_cat(u32 cnid, src_dir->i_size--; if (type == HFSPLUS_FOLDER) hfsplus_subfolders_dec(src_dir); - src_dir->i_mtime = src_dir->i_ctime = current_time(src_dir); + src_dir->i_mtime = inode_set_ctime_current(src_dir); /* remove old thread entry */ hfsplus_cat_build_key_with_cnid(sb, src_fd.search_key, cnid); diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 56fb5f1312e7..f5c4b3e31a1c 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -346,7 +346,7 @@ static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, inc_nlink(inode); hfsplus_instantiate(dst_dentry, inode, cnid); ihold(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); sbi->file_count++; hfsplus_mark_mdb_dirty(dst_dir->i_sb); @@ -405,7 +405,7 @@ static int hfsplus_unlink(struct inode *dir, struct dentry *dentry) hfsplus_delete_inode(inode); } else sbi->file_count--; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); out: mutex_unlock(&sbi->vh_mutex); @@ -426,7 +426,7 @@ static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry) if (res) goto out; clear_nlink(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); hfsplus_delete_inode(inode); mark_inode_dirty(inode); out: diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 7d1a675e037d..c65c8c4b03dd 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -267,7 +267,7 @@ static int hfsplus_setattr(struct mnt_idmap *idmap, } truncate_setsize(inode, attr->ia_size); hfsplus_file_truncate(inode); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); } setattr_copy(&nop_mnt_idmap, inode, attr); @@ -298,7 +298,7 @@ int hfsplus_getattr(struct mnt_idmap *idmap, const struct path *path, stat->attributes_mask |= STATX_ATTR_APPEND | STATX_ATTR_IMMUTABLE | STATX_ATTR_NODUMP; - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); return 0; } @@ -392,7 +392,7 @@ struct inode *hfsplus_new_inode(struct super_block *sb, struct inode *dir, inode->i_ino = sbi->next_cnid++; inode_init_owner(&nop_mnt_idmap, inode, dir, mode); set_nlink(inode, 1); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); hip = HFSPLUS_I(inode); INIT_LIST_HEAD(&hip->open_dir_list); @@ -523,7 +523,8 @@ int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd) inode->i_size = 2 + be32_to_cpu(folder->valence); inode->i_atime = hfsp_mt2ut(folder->access_date); inode->i_mtime = hfsp_mt2ut(folder->content_mod_date); - inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date); + inode_set_ctime_to_ts(inode, + hfsp_mt2ut(folder->attribute_mod_date)); HFSPLUS_I(inode)->create_date = folder->create_date; HFSPLUS_I(inode)->fs_blocks = 0; if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) { @@ -564,7 +565,8 @@ int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd) } inode->i_atime = hfsp_mt2ut(file->access_date); inode->i_mtime = hfsp_mt2ut(file->content_mod_date); - inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date); + inode_set_ctime_to_ts(inode, + hfsp_mt2ut(file->attribute_mod_date)); HFSPLUS_I(inode)->create_date = file->create_date; } else { pr_err("bad catalog entry used to create inode\n"); @@ -609,7 +611,7 @@ int hfsplus_cat_write_inode(struct inode *inode) hfsplus_cat_set_perms(inode, &folder->permissions); folder->access_date = hfsp_ut2mt(inode->i_atime); folder->content_mod_date = hfsp_ut2mt(inode->i_mtime); - folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); + folder->attribute_mod_date = hfsp_ut2mt(inode_get_ctime(inode)); folder->valence = cpu_to_be32(inode->i_size - 2); if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) { folder->subfolders = @@ -644,7 +646,7 @@ int hfsplus_cat_write_inode(struct inode *inode) file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED); file->access_date = hfsp_ut2mt(inode->i_atime); file->content_mod_date = hfsp_ut2mt(inode->i_mtime); - file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); + file->attribute_mod_date = hfsp_ut2mt(inode_get_ctime(inode)); hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, sizeof(struct hfsplus_cat_file)); } @@ -700,7 +702,7 @@ int hfsplus_fileattr_set(struct mnt_idmap *idmap, else hip->userflags &= ~HFSPLUS_FLG_NODUMP; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); return 0; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 46387090eb76..dc5a5cea5fae 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -517,8 +517,7 @@ static int hostfs_inode_update(struct inode *ino, const struct hostfs_stat *st) (struct timespec64){ st->atime.tv_sec, st->atime.tv_nsec }; ino->i_mtime = (struct timespec64){ st->mtime.tv_sec, st->mtime.tv_nsec }; - ino->i_ctime = - (struct timespec64){ st->ctime.tv_sec, st->ctime.tv_nsec }; + inode_set_ctime(ino, st->ctime.tv_sec, st->ctime.tv_nsec); ino->i_size = st->size; ino->i_blocks = st->blocks; return 0; diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c index f32f15669996..f36566d61215 100644 --- a/fs/hpfs/dir.c +++ b/fs/hpfs/dir.c @@ -277,10 +277,10 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned in * inode. */ - if (!result->i_ctime.tv_sec) { - if (!(result->i_ctime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->creation_date)))) - result->i_ctime.tv_sec = 1; - result->i_ctime.tv_nsec = 0; + if (!inode_get_ctime(result).tv_sec) { + time64_t csec = local_to_gmt(dir->i_sb, le32_to_cpu(de->creation_date)); + + inode_set_ctime(result, csec ? csec : 1, 0); result->i_mtime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->write_date)); result->i_mtime.tv_nsec = 0; result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->read_date)); diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c index e50e92a42432..479166378bae 100644 --- a/fs/hpfs/inode.c +++ b/fs/hpfs/inode.c @@ -36,7 +36,7 @@ void hpfs_init_inode(struct inode *i) hpfs_inode->i_rddir_off = NULL; hpfs_inode->i_dirty = 0; - i->i_ctime.tv_sec = i->i_ctime.tv_nsec = 0; + inode_set_ctime(i, 0, 0); i->i_mtime.tv_sec = i->i_mtime.tv_nsec = 0; i->i_atime.tv_sec = i->i_atime.tv_nsec = 0; } @@ -232,7 +232,7 @@ void hpfs_write_inode_nolock(struct inode *i) if (de) { de->write_date = cpu_to_le32(gmt_to_local(i->i_sb, i->i_mtime.tv_sec)); de->read_date = cpu_to_le32(gmt_to_local(i->i_sb, i->i_atime.tv_sec)); - de->creation_date = cpu_to_le32(gmt_to_local(i->i_sb, i->i_ctime.tv_sec)); + de->creation_date = cpu_to_le32(gmt_to_local(i->i_sb, inode_get_ctime(i).tv_sec)); de->read_only = !(i->i_mode & 0222); de->ea_size = cpu_to_le32(hpfs_inode->i_ea_size); hpfs_mark_4buffers_dirty(&qbh); @@ -242,7 +242,7 @@ void hpfs_write_inode_nolock(struct inode *i) if ((de = map_dirent(i, hpfs_inode->i_dno, "\001\001", 2, NULL, &qbh))) { de->write_date = cpu_to_le32(gmt_to_local(i->i_sb, i->i_mtime.tv_sec)); de->read_date = cpu_to_le32(gmt_to_local(i->i_sb, i->i_atime.tv_sec)); - de->creation_date = cpu_to_le32(gmt_to_local(i->i_sb, i->i_ctime.tv_sec)); + de->creation_date = cpu_to_le32(gmt_to_local(i->i_sb, inode_get_ctime(i).tv_sec)); de->read_only = !(i->i_mode & 0222); de->ea_size = cpu_to_le32(/*hpfs_inode->i_ea_size*/0); de->file_size = cpu_to_le32(0); diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index 69fb40b2c99a..f4eb8d6f5989 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -13,10 +13,9 @@ static void hpfs_update_directory_times(struct inode *dir) { time64_t t = local_to_gmt(dir->i_sb, local_get_seconds(dir->i_sb)); if (t == dir->i_mtime.tv_sec && - t == dir->i_ctime.tv_sec) + t == inode_get_ctime(dir).tv_sec) return; - dir->i_mtime.tv_sec = dir->i_ctime.tv_sec = t; - dir->i_mtime.tv_nsec = dir->i_ctime.tv_nsec = 0; + dir->i_mtime = inode_set_ctime(dir, t, 0); hpfs_write_inode_nolock(dir); } @@ -59,10 +58,8 @@ static int hpfs_mkdir(struct mnt_idmap *idmap, struct inode *dir, result->i_ino = fno; hpfs_i(result)->i_parent_dir = dir->i_ino; hpfs_i(result)->i_dno = dno; - result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)); - result->i_ctime.tv_nsec = 0; - result->i_mtime.tv_nsec = 0; - result->i_atime.tv_nsec = 0; + result->i_mtime = result->i_atime = + inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0); hpfs_i(result)->i_ea_size = 0; result->i_mode |= S_IFDIR; result->i_op = &hpfs_dir_iops; @@ -167,10 +164,8 @@ static int hpfs_create(struct mnt_idmap *idmap, struct inode *dir, result->i_fop = &hpfs_file_ops; set_nlink(result, 1); hpfs_i(result)->i_parent_dir = dir->i_ino; - result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)); - result->i_ctime.tv_nsec = 0; - result->i_mtime.tv_nsec = 0; - result->i_atime.tv_nsec = 0; + result->i_mtime = result->i_atime = + inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0); hpfs_i(result)->i_ea_size = 0; if (dee.read_only) result->i_mode &= ~0222; @@ -250,10 +245,8 @@ static int hpfs_mknod(struct mnt_idmap *idmap, struct inode *dir, hpfs_init_inode(result); result->i_ino = fno; hpfs_i(result)->i_parent_dir = dir->i_ino; - result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)); - result->i_ctime.tv_nsec = 0; - result->i_mtime.tv_nsec = 0; - result->i_atime.tv_nsec = 0; + result->i_mtime = result->i_atime = + inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0); hpfs_i(result)->i_ea_size = 0; result->i_uid = current_fsuid(); result->i_gid = current_fsgid(); @@ -326,10 +319,8 @@ static int hpfs_symlink(struct mnt_idmap *idmap, struct inode *dir, result->i_ino = fno; hpfs_init_inode(result); hpfs_i(result)->i_parent_dir = dir->i_ino; - result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)); - result->i_ctime.tv_nsec = 0; - result->i_mtime.tv_nsec = 0; - result->i_atime.tv_nsec = 0; + result->i_mtime = result->i_atime = + inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0); hpfs_i(result)->i_ea_size = 0; result->i_mode = S_IFLNK | 0777; result->i_uid = current_fsuid(); diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index 1cb89595b875..758a51564124 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -729,8 +729,9 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent) root->i_atime.tv_nsec = 0; root->i_mtime.tv_sec = local_to_gmt(s, le32_to_cpu(de->write_date)); root->i_mtime.tv_nsec = 0; - root->i_ctime.tv_sec = local_to_gmt(s, le32_to_cpu(de->creation_date)); - root->i_ctime.tv_nsec = 0; + inode_set_ctime(root, + local_to_gmt(s, le32_to_cpu(de->creation_date)), + 0); hpfs_i(root)->i_ea_size = le32_to_cpu(de->ea_size); hpfs_i(root)->i_parent_dir = root->i_ino; if (root->i_size == -1) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 7b17ccfa039d..93d3bcfd4fc8 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -887,7 +887,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset, if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size) i_size_write(inode, offset + len); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); out: inode_unlock(inode); return error; @@ -935,7 +935,7 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, inode->i_mode = S_IFDIR | ctx->mode; inode->i_uid = ctx->uid; inode->i_gid = ctx->gid; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_op = &hugetlbfs_dir_inode_operations; inode->i_fop = &simple_dir_operations; /* directory inodes start off with i_nlink == 2 (for "." entry) */ @@ -979,7 +979,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, lockdep_set_class(&inode->i_mapping->i_mmap_rwsem, &hugetlbfs_i_mmap_rwsem_key); inode->i_mapping->a_ops = &hugetlbfs_aops; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_mapping->private_data = resv_map; info->seals = F_SEAL_SEAL; switch (mode & S_IFMT) { @@ -1022,7 +1022,7 @@ static int hugetlbfs_mknod(struct mnt_idmap *idmap, struct inode *dir, inode = hugetlbfs_get_inode(dir->i_sb, dir, mode, dev); if (!inode) return -ENOSPC; - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); d_instantiate(dentry, inode); dget(dentry);/* Extra count - pin the dentry in core */ return 0; @@ -1054,7 +1054,7 @@ static int hugetlbfs_tmpfile(struct mnt_idmap *idmap, inode = hugetlbfs_get_inode(dir->i_sb, dir, mode | S_IFREG, 0); if (!inode) return -ENOSPC; - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); d_tmpfile(file, inode); return finish_open_simple(file, 0); } @@ -1076,7 +1076,7 @@ static int hugetlbfs_symlink(struct mnt_idmap *idmap, } else iput(inode); } - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); return error; } diff --git a/fs/inode.c b/fs/inode.c index 8fefb69e1f84..35fd688168c5 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -16,7 +16,6 @@ #include <linux/fsnotify.h> #include <linux/mount.h> #include <linux/posix_acl.h> -#include <linux/prefetch.h> #include <linux/buffer_head.h> /* for inode_has_buffers */ #include <linux/ratelimit.h> #include <linux/list_lru.h> @@ -752,16 +751,11 @@ EXPORT_SYMBOL_GPL(evict_inodes); /** * invalidate_inodes - attempt to free all inodes on a superblock * @sb: superblock to operate on - * @kill_dirty: flag to guide handling of dirty inodes * - * Attempts to free all inodes for a given superblock. If there were any - * busy inodes return a non-zero value, else zero. - * If @kill_dirty is set, discard dirty inodes too, otherwise treat - * them as busy. + * Attempts to free all inodes (including dirty inodes) for a given superblock. */ -int invalidate_inodes(struct super_block *sb, bool kill_dirty) +void invalidate_inodes(struct super_block *sb) { - int busy = 0; struct inode *inode, *next; LIST_HEAD(dispose); @@ -773,14 +767,8 @@ again: spin_unlock(&inode->i_lock); continue; } - if (inode->i_state & I_DIRTY_ALL && !kill_dirty) { - spin_unlock(&inode->i_lock); - busy = 1; - continue; - } if (atomic_read(&inode->i_count)) { spin_unlock(&inode->i_lock); - busy = 1; continue; } @@ -798,8 +786,6 @@ again: spin_unlock(&sb->s_inode_list_lock); dispose_list(&dispose); - - return busy; } /* @@ -1041,8 +1027,6 @@ struct inode *new_inode(struct super_block *sb) { struct inode *inode; - spin_lock_prefetch(&sb->s_inode_list_lock); - inode = new_inode_pseudo(sb); if (inode) inode_sb_list_add(inode); @@ -1853,6 +1837,7 @@ EXPORT_SYMBOL(bmap); static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, struct timespec64 now) { + struct timespec64 ctime; if (!(mnt->mnt_flags & MNT_RELATIME)) return 1; @@ -1864,7 +1849,8 @@ static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, /* * Is ctime younger than or equal to atime? If yes, update atime: */ - if (timespec64_compare(&inode->i_ctime, &inode->i_atime) >= 0) + ctime = inode_get_ctime(inode); + if (timespec64_compare(&ctime, &inode->i_atime) >= 0) return 1; /* @@ -1879,29 +1865,76 @@ static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, return 0; } -int generic_update_time(struct inode *inode, struct timespec64 *time, int flags) +/** + * inode_update_timestamps - update the timestamps on the inode + * @inode: inode to be updated + * @flags: S_* flags that needed to be updated + * + * The update_time function is called when an inode's timestamps need to be + * updated for a read or write operation. This function handles updating the + * actual timestamps. It's up to the caller to ensure that the inode is marked + * dirty appropriately. + * + * In the case where any of S_MTIME, S_CTIME, or S_VERSION need to be updated, + * attempt to update all three of them. S_ATIME updates can be handled + * independently of the rest. + * + * Returns a set of S_* flags indicating which values changed. + */ +int inode_update_timestamps(struct inode *inode, int flags) { - int dirty_flags = 0; + int updated = 0; + struct timespec64 now; - if (flags & (S_ATIME | S_CTIME | S_MTIME)) { - if (flags & S_ATIME) - inode->i_atime = *time; - if (flags & S_CTIME) - inode->i_ctime = *time; - if (flags & S_MTIME) - inode->i_mtime = *time; - - if (inode->i_sb->s_flags & SB_LAZYTIME) - dirty_flags |= I_DIRTY_TIME; - else - dirty_flags |= I_DIRTY_SYNC; + if (flags & (S_MTIME|S_CTIME|S_VERSION)) { + struct timespec64 ctime = inode_get_ctime(inode); + + now = inode_set_ctime_current(inode); + if (!timespec64_equal(&now, &ctime)) + updated |= S_CTIME; + if (!timespec64_equal(&now, &inode->i_mtime)) { + inode->i_mtime = now; + updated |= S_MTIME; + } + if (IS_I_VERSION(inode) && inode_maybe_inc_iversion(inode, updated)) + updated |= S_VERSION; + } else { + now = current_time(inode); } - if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false)) - dirty_flags |= I_DIRTY_SYNC; + if (flags & S_ATIME) { + if (!timespec64_equal(&now, &inode->i_atime)) { + inode->i_atime = now; + updated |= S_ATIME; + } + } + return updated; +} +EXPORT_SYMBOL(inode_update_timestamps); +/** + * generic_update_time - update the timestamps on the inode + * @inode: inode to be updated + * @flags: S_* flags that needed to be updated + * + * The update_time function is called when an inode's timestamps need to be + * updated for a read or write operation. In the case where any of S_MTIME, S_CTIME, + * or S_VERSION need to be updated we attempt to update all three of them. S_ATIME + * updates can be handled done independently of the rest. + * + * Returns a S_* mask indicating which fields were updated. + */ +int generic_update_time(struct inode *inode, int flags) +{ + int updated = inode_update_timestamps(inode, flags); + int dirty_flags = 0; + + if (updated & (S_ATIME|S_MTIME|S_CTIME)) + dirty_flags = inode->i_sb->s_flags & SB_LAZYTIME ? I_DIRTY_TIME : I_DIRTY_SYNC; + if (updated & S_VERSION) + dirty_flags |= I_DIRTY_SYNC; __mark_inode_dirty(inode, dirty_flags); - return 0; + return updated; } EXPORT_SYMBOL(generic_update_time); @@ -1909,11 +1942,12 @@ EXPORT_SYMBOL(generic_update_time); * This does the actual work of updating an inodes time or version. Must have * had called mnt_want_write() before calling this. */ -int inode_update_time(struct inode *inode, struct timespec64 *time, int flags) +int inode_update_time(struct inode *inode, int flags) { if (inode->i_op->update_time) - return inode->i_op->update_time(inode, time, flags); - return generic_update_time(inode, time, flags); + return inode->i_op->update_time(inode, flags); + generic_update_time(inode, flags); + return 0; } EXPORT_SYMBOL(inode_update_time); @@ -1965,7 +1999,6 @@ void touch_atime(const struct path *path) { struct vfsmount *mnt = path->mnt; struct inode *inode = d_inode(path->dentry); - struct timespec64 now; if (!atime_needs_update(path, inode)) return; @@ -1984,8 +2017,7 @@ void touch_atime(const struct path *path) * We may also fail on filesystems that have the ability to make parts * of the fs read only, e.g. subvolumes in Btrfs. */ - now = current_time(inode); - inode_update_time(inode, &now, S_ATIME); + inode_update_time(inode, S_ATIME); __mnt_drop_write(mnt); skip_update: sb_end_write(inode->i_sb); @@ -2070,18 +2102,63 @@ int file_remove_privs(struct file *file) } EXPORT_SYMBOL(file_remove_privs); -static int inode_needs_update_time(struct inode *inode, struct timespec64 *now) +/** + * current_mgtime - Return FS time (possibly fine-grained) + * @inode: inode. + * + * Return the current time truncated to the time granularity supported by + * the fs, as suitable for a ctime/mtime change. If the ctime is flagged + * as having been QUERIED, get a fine-grained timestamp. + */ +struct timespec64 current_mgtime(struct inode *inode) +{ + struct timespec64 now, ctime; + atomic_long_t *pnsec = (atomic_long_t *)&inode->__i_ctime.tv_nsec; + long nsec = atomic_long_read(pnsec); + + if (nsec & I_CTIME_QUERIED) { + ktime_get_real_ts64(&now); + return timestamp_truncate(now, inode); + } + + ktime_get_coarse_real_ts64(&now); + now = timestamp_truncate(now, inode); + + /* + * If we've recently fetched a fine-grained timestamp + * then the coarse-grained one may still be earlier than the + * existing ctime. Just keep the existing value if so. + */ + ctime = inode_get_ctime(inode); + if (timespec64_compare(&ctime, &now) > 0) + now = ctime; + + return now; +} +EXPORT_SYMBOL(current_mgtime); + +static struct timespec64 current_ctime(struct inode *inode) +{ + if (is_mgtime(inode)) + return current_mgtime(inode); + return current_time(inode); +} + +static int inode_needs_update_time(struct inode *inode) { int sync_it = 0; + struct timespec64 now = current_ctime(inode); + struct timespec64 ctime; /* First try to exhaust all avenues to not sync */ if (IS_NOCMTIME(inode)) return 0; - if (!timespec64_equal(&inode->i_mtime, now)) + if (!timespec64_equal(&inode->i_mtime, &now)) sync_it = S_MTIME; - if (!timespec64_equal(&inode->i_ctime, now)) + ctime = inode_get_ctime(inode); + if (!timespec64_equal(&ctime, &now)) sync_it |= S_CTIME; if (IS_I_VERSION(inode) && inode_iversion_need_inc(inode)) @@ -2090,15 +2167,14 @@ static int inode_needs_update_time(struct inode *inode, struct timespec64 *now) return sync_it; } -static int __file_update_time(struct file *file, struct timespec64 *now, - int sync_mode) +static int __file_update_time(struct file *file, int sync_mode) { int ret = 0; struct inode *inode = file_inode(file); /* try to update time settings */ if (!__mnt_want_write_file(file)) { - ret = inode_update_time(inode, now, sync_mode); + ret = inode_update_time(inode, sync_mode); __mnt_drop_write_file(file); } @@ -2123,13 +2199,12 @@ int file_update_time(struct file *file) { int ret; struct inode *inode = file_inode(file); - struct timespec64 now = current_time(inode); - ret = inode_needs_update_time(inode, &now); + ret = inode_needs_update_time(inode); if (ret <= 0) return ret; - return __file_update_time(file, &now, ret); + return __file_update_time(file, ret); } EXPORT_SYMBOL(file_update_time); @@ -2152,7 +2227,6 @@ static int file_modified_flags(struct file *file, int flags) { int ret; struct inode *inode = file_inode(file); - struct timespec64 now = current_time(inode); /* * Clear the security bits if the process is not being run by root. @@ -2165,13 +2239,13 @@ static int file_modified_flags(struct file *file, int flags) if (unlikely(file->f_mode & FMODE_NOCMTIME)) return 0; - ret = inode_needs_update_time(inode, &now); + ret = inode_needs_update_time(inode); if (ret <= 0) return ret; if (flags & IOCB_NOWAIT) return -EAGAIN; - return __file_update_time(file, &now, ret); + return __file_update_time(file, ret); } /** @@ -2491,15 +2565,59 @@ struct timespec64 current_time(struct inode *inode) struct timespec64 now; ktime_get_coarse_real_ts64(&now); + return timestamp_truncate(now, inode); +} +EXPORT_SYMBOL(current_time); - if (unlikely(!inode->i_sb)) { - WARN(1, "current_time() called with uninitialized super_block in the inode"); +/** + * inode_set_ctime_current - set the ctime to current_time + * @inode: inode + * + * Set the inode->i_ctime to the current value for the inode. Returns + * the current value that was assigned to i_ctime. + */ +struct timespec64 inode_set_ctime_current(struct inode *inode) +{ + struct timespec64 now; + struct timespec64 ctime; + + ctime.tv_nsec = READ_ONCE(inode->__i_ctime.tv_nsec); + if (!(ctime.tv_nsec & I_CTIME_QUERIED)) { + now = current_time(inode); + + /* Just copy it into place if it's not multigrain */ + if (!is_mgtime(inode)) { + inode_set_ctime_to_ts(inode, now); + return now; + } + + /* + * If we've recently updated with a fine-grained timestamp, + * then the coarse-grained one may still be earlier than the + * existing ctime. Just keep the existing value if so. + */ + ctime.tv_sec = inode->__i_ctime.tv_sec; + if (timespec64_compare(&ctime, &now) > 0) + return ctime; + + /* + * Ctime updates are usually protected by the inode_lock, but + * we can still race with someone setting the QUERIED flag. + * Try to swap the new nsec value into place. If it's changed + * in the interim, then just go with a fine-grained timestamp. + */ + if (cmpxchg(&inode->__i_ctime.tv_nsec, ctime.tv_nsec, + now.tv_nsec) != ctime.tv_nsec) + goto fine_grained; + inode->__i_ctime.tv_sec = now.tv_sec; return now; } - - return timestamp_truncate(now, inode); +fine_grained: + ktime_get_real_ts64(&now); + inode_set_ctime_to_ts(inode, timestamp_truncate(now, inode)); + return now; } -EXPORT_SYMBOL(current_time); +EXPORT_SYMBOL(inode_set_ctime_current); /** * in_group_or_capable - check whether caller is CAP_FSETID privileged diff --git a/fs/internal.h b/fs/internal.h index f7a3dc111026..74d3b161dd2c 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -115,7 +115,7 @@ static inline void put_file_access(struct file *file) * super.c */ extern int reconfigure_super(struct fs_context *); -extern bool trylock_super(struct super_block *sb); +extern bool super_trylock_shared(struct super_block *sb); struct super_block *user_get_super(dev_t, bool excl); void put_super(struct super_block *sb); extern bool mount_capable(struct fs_context *); @@ -201,7 +201,7 @@ void lock_two_inodes(struct inode *inode1, struct inode *inode2, * fs-writeback.c */ extern long get_nr_dirty_inodes(void); -extern int invalidate_inodes(struct super_block *, bool); +void invalidate_inodes(struct super_block *sb); /* * dcache.c diff --git a/fs/ioctl.c b/fs/ioctl.c index 5b2481cd4750..f5fd99d6b0d4 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -109,9 +109,6 @@ static int ioctl_fibmap(struct file *filp, int __user *p) * Returns 0 on success, -errno on error, 1 if this was the last * extent that will fit in user array. */ -#define SET_UNKNOWN_FLAGS (FIEMAP_EXTENT_DELALLOC) -#define SET_NO_UNMOUNTED_IO_FLAGS (FIEMAP_EXTENT_DATA_ENCRYPTED) -#define SET_NOT_ALIGNED_FLAGS (FIEMAP_EXTENT_DATA_TAIL|FIEMAP_EXTENT_DATA_INLINE) int fiemap_fill_next_extent(struct fiemap_extent_info *fieinfo, u64 logical, u64 phys, u64 len, u32 flags) { @@ -127,6 +124,10 @@ int fiemap_fill_next_extent(struct fiemap_extent_info *fieinfo, u64 logical, if (fieinfo->fi_extents_mapped >= fieinfo->fi_extents_max) return 1; +#define SET_UNKNOWN_FLAGS (FIEMAP_EXTENT_DELALLOC) +#define SET_NO_UNMOUNTED_IO_FLAGS (FIEMAP_EXTENT_DATA_ENCRYPTED) +#define SET_NOT_ALIGNED_FLAGS (FIEMAP_EXTENT_DATA_TAIL|FIEMAP_EXTENT_DATA_INLINE) + if (flags & SET_UNKNOWN_FLAGS) flags |= FIEMAP_EXTENT_UNKNOWN; if (flags & SET_NO_UNMOUNTED_IO_FLAGS) @@ -396,8 +397,8 @@ static int ioctl_fsfreeze(struct file *filp) /* Freeze */ if (sb->s_op->freeze_super) - return sb->s_op->freeze_super(sb); - return freeze_super(sb); + return sb->s_op->freeze_super(sb, FREEZE_HOLDER_USERSPACE); + return freeze_super(sb, FREEZE_HOLDER_USERSPACE); } static int ioctl_fsthaw(struct file *filp) @@ -409,8 +410,8 @@ static int ioctl_fsthaw(struct file *filp) /* Thaw */ if (sb->s_op->thaw_super) - return sb->s_op->thaw_super(sb); - return thaw_super(sb); + return sb->s_op->thaw_super(sb, FREEZE_HOLDER_USERSPACE); + return thaw_super(sb, FREEZE_HOLDER_USERSPACE); } static int ioctl_file_dedupe_range(struct file *file, @@ -877,6 +878,9 @@ out: #ifdef CONFIG_COMPAT /** * compat_ptr_ioctl - generic implementation of .compat_ioctl file operation + * @file: The file to operate on. + * @cmd: The ioctl command number. + * @arg: The argument to the ioctl. * * This is not normally called as a function, but instead set in struct * file_operations as diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index df9d70588b60..2ee21286ac8f 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -1422,13 +1422,8 @@ static int isofs_read_inode(struct inode *inode, int relocated) inode->i_ino, de->flags[-high_sierra]); } #endif - - inode->i_mtime.tv_sec = - inode->i_atime.tv_sec = - inode->i_ctime.tv_sec = iso_date(de->date, high_sierra); - inode->i_mtime.tv_nsec = - inode->i_atime.tv_nsec = - inode->i_ctime.tv_nsec = 0; + inode->i_mtime = inode->i_atime = + inode_set_ctime(inode, iso_date(de->date, high_sierra), 0); ei->i_first_extent = (isonum_733(de->extent) + isonum_711(de->ext_attr_length)); diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c index 48f58c6c9e69..348783a70f57 100644 --- a/fs/isofs/rock.c +++ b/fs/isofs/rock.c @@ -421,10 +421,9 @@ repeat: /* Rock ridge never appears on a High Sierra disk */ cnt = 0; if (rr->u.TF.flags & TF_CREATE) { - inode->i_ctime.tv_sec = - iso_date(rr->u.TF.times[cnt++].time, - 0); - inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, + iso_date(rr->u.TF.times[cnt++].time, 0), + 0); } if (rr->u.TF.flags & TF_MODIFY) { inode->i_mtime.tv_sec = @@ -439,10 +438,9 @@ repeat: inode->i_atime.tv_nsec = 0; } if (rr->u.TF.flags & TF_ATTRIBUTES) { - inode->i_ctime.tv_sec = - iso_date(rr->u.TF.times[cnt++].time, - 0); - inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, + iso_date(rr->u.TF.times[cnt++].time, 0), + 0); } break; case SIG('S', 'L'): @@ -534,7 +532,7 @@ repeat: inode->i_size = reloc->i_size; inode->i_blocks = reloc->i_blocks; inode->i_atime = reloc->i_atime; - inode->i_ctime = reloc->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(reloc)); inode->i_mtime = reloc->i_mtime; iput(reloc); break; diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 5075a0a6d594..091ab0eaabbe 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -204,7 +204,8 @@ static int jffs2_create(struct mnt_idmap *idmap, struct inode *dir_i, if (ret) goto fail; - dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(ri->ctime)); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, + ITIME(je32_to_cpu(ri->ctime))); jffs2_free_raw_inode(ri); @@ -237,7 +238,7 @@ static int jffs2_unlink(struct inode *dir_i, struct dentry *dentry) if (dead_f->inocache) set_nlink(d_inode(dentry), dead_f->inocache->pino_nlink); if (!ret) - dir_i->i_mtime = dir_i->i_ctime = ITIME(now); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, ITIME(now)); return ret; } /***********************************************************************/ @@ -271,7 +272,7 @@ static int jffs2_link (struct dentry *old_dentry, struct inode *dir_i, struct de set_nlink(d_inode(old_dentry), ++f->inocache->pino_nlink); mutex_unlock(&f->sem); d_instantiate(dentry, d_inode(old_dentry)); - dir_i->i_mtime = dir_i->i_ctime = ITIME(now); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, ITIME(now)); ihold(d_inode(old_dentry)); } return ret; @@ -422,7 +423,8 @@ static int jffs2_symlink (struct mnt_idmap *idmap, struct inode *dir_i, goto fail; } - dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(rd->mctime)); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, + ITIME(je32_to_cpu(rd->mctime))); jffs2_free_raw_dirent(rd); @@ -566,7 +568,8 @@ static int jffs2_mkdir (struct mnt_idmap *idmap, struct inode *dir_i, goto fail; } - dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(rd->mctime)); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, + ITIME(je32_to_cpu(rd->mctime))); inc_nlink(dir_i); jffs2_free_raw_dirent(rd); @@ -607,7 +610,7 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry) ret = jffs2_do_unlink(c, dir_f, dentry->d_name.name, dentry->d_name.len, f, now); if (!ret) { - dir_i->i_mtime = dir_i->i_ctime = ITIME(now); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, ITIME(now)); clear_nlink(d_inode(dentry)); drop_nlink(dir_i); } @@ -743,7 +746,8 @@ static int jffs2_mknod (struct mnt_idmap *idmap, struct inode *dir_i, goto fail; } - dir_i->i_mtime = dir_i->i_ctime = ITIME(je32_to_cpu(rd->mctime)); + dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, + ITIME(je32_to_cpu(rd->mctime))); jffs2_free_raw_dirent(rd); @@ -864,14 +868,16 @@ static int jffs2_rename (struct mnt_idmap *idmap, * caller won't do it on its own since we are returning an error. */ d_invalidate(new_dentry); - new_dir_i->i_mtime = new_dir_i->i_ctime = ITIME(now); + new_dir_i->i_mtime = inode_set_ctime_to_ts(new_dir_i, + ITIME(now)); return ret; } if (d_is_dir(old_dentry)) drop_nlink(old_dir_i); - new_dir_i->i_mtime = new_dir_i->i_ctime = old_dir_i->i_mtime = old_dir_i->i_ctime = ITIME(now); + old_dir_i->i_mtime = inode_set_ctime_to_ts(old_dir_i, ITIME(now)); + new_dir_i->i_mtime = inode_set_ctime_to_ts(new_dir_i, ITIME(now)); return 0; } diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 2345ca3f09ee..11c66793960e 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -317,7 +317,8 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, inode->i_size = pos + writtenlen; inode->i_blocks = (inode->i_size + 511) >> 9; - inode->i_ctime = inode->i_mtime = ITIME(je32_to_cpu(ri->ctime)); + inode->i_mtime = inode_set_ctime_to_ts(inode, + ITIME(je32_to_cpu(ri->ctime))); } } diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 038516bee1ab..0403efab4089 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -115,7 +115,7 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr) ri->isize = cpu_to_je32((ivalid & ATTR_SIZE)?iattr->ia_size:inode->i_size); ri->atime = cpu_to_je32(I_SEC((ivalid & ATTR_ATIME)?iattr->ia_atime:inode->i_atime)); ri->mtime = cpu_to_je32(I_SEC((ivalid & ATTR_MTIME)?iattr->ia_mtime:inode->i_mtime)); - ri->ctime = cpu_to_je32(I_SEC((ivalid & ATTR_CTIME)?iattr->ia_ctime:inode->i_ctime)); + ri->ctime = cpu_to_je32(I_SEC((ivalid & ATTR_CTIME)?iattr->ia_ctime:inode_get_ctime(inode))); ri->offset = cpu_to_je32(0); ri->csize = ri->dsize = cpu_to_je32(mdatalen); @@ -148,7 +148,7 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr) } /* It worked. Update the inode */ inode->i_atime = ITIME(je32_to_cpu(ri->atime)); - inode->i_ctime = ITIME(je32_to_cpu(ri->ctime)); + inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(ri->ctime))); inode->i_mtime = ITIME(je32_to_cpu(ri->mtime)); inode->i_mode = jemode_to_cpu(ri->mode); i_uid_write(inode, je16_to_cpu(ri->uid)); @@ -284,7 +284,7 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino) inode->i_size = je32_to_cpu(latest_node.isize); inode->i_atime = ITIME(je32_to_cpu(latest_node.atime)); inode->i_mtime = ITIME(je32_to_cpu(latest_node.mtime)); - inode->i_ctime = ITIME(je32_to_cpu(latest_node.ctime)); + inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(latest_node.ctime))); set_nlink(inode, f->inocache->pino_nlink); @@ -388,7 +388,7 @@ void jffs2_dirty_inode(struct inode *inode, int flags) iattr.ia_gid = inode->i_gid; iattr.ia_atime = inode->i_atime; iattr.ia_mtime = inode->i_mtime; - iattr.ia_ctime = inode->i_ctime; + iattr.ia_ctime = inode_get_ctime(inode); jffs2_do_setattr(inode, &iattr); } @@ -475,7 +475,7 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r inode->i_mode = jemode_to_cpu(ri->mode); i_gid_write(inode, je16_to_cpu(ri->gid)); i_uid_write(inode, je16_to_cpu(ri->uid)); - inode->i_atime = inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode->i_mtime)); inode->i_blocks = 0; diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index 8da19766c101..50727a1ff931 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -35,7 +35,7 @@ struct kvec; #define ITIME(sec) ((struct timespec64){sec, 0}) #define JFFS2_NOW() JFFS2_CLAMP_TIME(ktime_get_real_seconds()) #define I_SEC(tv) JFFS2_CLAMP_TIME((tv).tv_sec) -#define JFFS2_F_I_CTIME(f) I_SEC(OFNI_EDONI_2SFFJ(f)->i_ctime) +#define JFFS2_F_I_CTIME(f) I_SEC(inode_get_ctime(OFNI_EDONI_2SFFJ(f))) #define JFFS2_F_I_MTIME(f) I_SEC(OFNI_EDONI_2SFFJ(f)->i_mtime) #define JFFS2_F_I_ATIME(f) I_SEC(OFNI_EDONI_2SFFJ(f)->i_atime) #define sleep_on_spinunlock(wq, s) \ diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c index fb96f872d207..1de3602c98de 100644 --- a/fs/jfs/acl.c +++ b/fs/jfs/acl.c @@ -116,7 +116,7 @@ int jfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, if (!rc) { if (update_mode) { inode->i_mode = mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); } rc = txCommit(tid, 1, &inode, 0); diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 8ac10e396050..920d58a1566b 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -393,7 +393,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length) break; } - ip->i_mtime = ip->i_ctime = current_time(ip); + ip->i_mtime = inode_set_ctime_current(ip); mark_inode_dirty(ip); txCommit(tid, 1, &ip, 0); diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c index ed7989bc2db1..f7bd7e8f5be4 100644 --- a/fs/jfs/ioctl.c +++ b/fs/jfs/ioctl.c @@ -96,7 +96,7 @@ int jfs_fileattr_set(struct mnt_idmap *idmap, jfs_inode->mode2 = flags; jfs_set_inode_flags(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); return 0; diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index 390cbfce391f..a40383aa6c84 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -3064,8 +3064,8 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip) ip->i_atime.tv_nsec = le32_to_cpu(dip->di_atime.tv_nsec); ip->i_mtime.tv_sec = le32_to_cpu(dip->di_mtime.tv_sec); ip->i_mtime.tv_nsec = le32_to_cpu(dip->di_mtime.tv_nsec); - ip->i_ctime.tv_sec = le32_to_cpu(dip->di_ctime.tv_sec); - ip->i_ctime.tv_nsec = le32_to_cpu(dip->di_ctime.tv_nsec); + inode_set_ctime(ip, le32_to_cpu(dip->di_ctime.tv_sec), + le32_to_cpu(dip->di_ctime.tv_nsec)); ip->i_blocks = LBLK2PBLK(ip->i_sb, le64_to_cpu(dip->di_nblocks)); ip->i_generation = le32_to_cpu(dip->di_gen); @@ -3139,8 +3139,8 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip) dip->di_atime.tv_sec = cpu_to_le32(ip->i_atime.tv_sec); dip->di_atime.tv_nsec = cpu_to_le32(ip->i_atime.tv_nsec); - dip->di_ctime.tv_sec = cpu_to_le32(ip->i_ctime.tv_sec); - dip->di_ctime.tv_nsec = cpu_to_le32(ip->i_ctime.tv_nsec); + dip->di_ctime.tv_sec = cpu_to_le32(inode_get_ctime(ip).tv_sec); + dip->di_ctime.tv_nsec = cpu_to_le32(inode_get_ctime(ip).tv_nsec); dip->di_mtime.tv_sec = cpu_to_le32(ip->i_mtime.tv_sec); dip->di_mtime.tv_nsec = cpu_to_le32(ip->i_mtime.tv_nsec); dip->di_ixpxd = jfs_ip->ixpxd; /* in-memory pxd's are little-endian */ diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index 9e1f02767201..87594efa7f7c 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -97,8 +97,8 @@ struct inode *ialloc(struct inode *parent, umode_t mode) jfs_inode->mode2 |= inode->i_mode; inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); - jfs_inode->otime = inode->i_ctime.tv_sec; + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); + jfs_inode->otime = inode_get_ctime(inode).tv_sec; inode->i_generation = JFS_SBI(sb)->gengen++; jfs_inode->cflag = 0; diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index e98ddb2b1cf2..029d47065600 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -149,7 +149,7 @@ static int jfs_create(struct mnt_idmap *idmap, struct inode *dip, mark_inode_dirty(ip); - dip->i_ctime = dip->i_mtime = current_time(dip); + dip->i_mtime = inode_set_ctime_current(dip); mark_inode_dirty(dip); @@ -284,7 +284,7 @@ static int jfs_mkdir(struct mnt_idmap *idmap, struct inode *dip, /* update parent directory inode */ inc_nlink(dip); /* for '..' from child directory */ - dip->i_ctime = dip->i_mtime = current_time(dip); + dip->i_mtime = inode_set_ctime_current(dip); mark_inode_dirty(dip); rc = txCommit(tid, 2, &iplist[0], 0); @@ -390,7 +390,7 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry) /* update parent directory's link count corresponding * to ".." entry of the target directory deleted */ - dip->i_ctime = dip->i_mtime = current_time(dip); + dip->i_mtime = inode_set_ctime_current(dip); inode_dec_link_count(dip); /* @@ -512,7 +512,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry) ASSERT(ip->i_nlink); - ip->i_ctime = dip->i_ctime = dip->i_mtime = current_time(ip); + dip->i_mtime = inode_set_ctime_to_ts(dip, inode_set_ctime_current(ip)); mark_inode_dirty(dip); /* update target's inode */ @@ -827,8 +827,8 @@ static int jfs_link(struct dentry *old_dentry, /* update object inode */ inc_nlink(ip); /* for new link */ - ip->i_ctime = current_time(ip); - dir->i_ctime = dir->i_mtime = current_time(dir); + inode_set_ctime_current(ip); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); ihold(ip); @@ -1028,7 +1028,7 @@ static int jfs_symlink(struct mnt_idmap *idmap, struct inode *dip, mark_inode_dirty(ip); - dip->i_ctime = dip->i_mtime = current_time(dip); + dip->i_mtime = inode_set_ctime_current(dip); mark_inode_dirty(dip); /* * commit update of parent directory and link object @@ -1205,7 +1205,7 @@ static int jfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, tblk->xflag |= COMMIT_DELETE; tblk->u.ip = new_ip; } else { - new_ip->i_ctime = current_time(new_ip); + inode_set_ctime_current(new_ip); mark_inode_dirty(new_ip); } } else { @@ -1268,10 +1268,10 @@ static int jfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, /* * Update ctime on changed/moved inodes & mark dirty */ - old_ip->i_ctime = current_time(old_ip); + inode_set_ctime_current(old_ip); mark_inode_dirty(old_ip); - new_dir->i_ctime = new_dir->i_mtime = current_time(new_dir); + new_dir->i_mtime = inode_set_ctime_current(new_dir); mark_inode_dirty(new_dir); /* Build list of inodes modified by this transaction */ @@ -1283,7 +1283,7 @@ static int jfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, if (old_dir != new_dir) { iplist[ipcount++] = new_dir; - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); + old_dir->i_mtime = inode_set_ctime_current(old_dir); mark_inode_dirty(old_dir); } @@ -1416,7 +1416,7 @@ static int jfs_mknod(struct mnt_idmap *idmap, struct inode *dir, mark_inode_dirty(ip); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); diff --git a/fs/jfs/super.c b/fs/jfs/super.c index d2f82cb7db1b..2e2f7f6d36a0 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -818,7 +818,7 @@ out: } if (inode->i_size < off+len-towrite) i_size_write(inode, off+len-towrite); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); inode_unlock(inode); return len - towrite; diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c index 931e50018f88..8577ad494e05 100644 --- a/fs/jfs/xattr.c +++ b/fs/jfs/xattr.c @@ -647,7 +647,7 @@ static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf, if (old_blocks) dquot_free_block(inode, old_blocks); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); return 0; } diff --git a/fs/kernel_read_file.c b/fs/kernel_read_file.c index 5d826274570c..c429c42a6867 100644 --- a/fs/kernel_read_file.c +++ b/fs/kernel_read_file.c @@ -8,16 +8,16 @@ /** * kernel_read_file() - read file contents into a kernel buffer * - * @file file to read from - * @offset where to start reading from (see below). - * @buf pointer to a "void *" buffer for reading into (if + * @file: file to read from + * @offset: where to start reading from (see below). + * @buf: pointer to a "void *" buffer for reading into (if * *@buf is NULL, a buffer will be allocated, and * @buf_size will be ignored) - * @buf_size size of buf, if already allocated. If @buf not + * @buf_size: size of buf, if already allocated. If @buf not * allocated, this is the largest size to allocate. - * @file_size if non-NULL, the full size of @file will be + * @file_size: if non-NULL, the full size of @file will be * written here. - * @id the kernel_read_file_id identifying the type of + * @id: the kernel_read_file_id identifying the type of * file contents being read (for LSMs to examine) * * @offset must be 0 unless both @buf and @file_size are non-NULL diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index 5a1a4af9d3d2..660995856a04 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -556,7 +556,7 @@ void kernfs_put(struct kernfs_node *kn) kfree_const(kn->name); if (kn->iattr) { - simple_xattrs_free(&kn->iattr->xattrs); + simple_xattrs_free(&kn->iattr->xattrs, NULL); kmem_cache_free(kernfs_iattrs_cache, kn->iattr); } spin_lock(&kernfs_idr_lock); diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c index b22b74d1a115..922719a343a7 100644 --- a/fs/kernfs/inode.c +++ b/fs/kernfs/inode.c @@ -151,8 +151,7 @@ ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size) static inline void set_default_inode_attr(struct inode *inode, umode_t mode) { inode->i_mode = mode; - inode->i_atime = inode->i_mtime = - inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } static inline void set_inode_attr(struct inode *inode, @@ -162,7 +161,7 @@ static inline void set_inode_attr(struct inode *inode, inode->i_gid = attrs->ia_gid; inode->i_atime = attrs->ia_atime; inode->i_mtime = attrs->ia_mtime; - inode->i_ctime = attrs->ia_ctime; + inode_set_ctime_to_ts(inode, attrs->ia_ctime); } static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode) @@ -191,7 +190,7 @@ int kernfs_iop_getattr(struct mnt_idmap *idmap, down_read(&root->kernfs_iattr_rwsem); kernfs_refresh_inode(kn, inode); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); up_read(&root->kernfs_iattr_rwsem); return 0; @@ -306,11 +305,17 @@ int kernfs_xattr_get(struct kernfs_node *kn, const char *name, int kernfs_xattr_set(struct kernfs_node *kn, const char *name, const void *value, size_t size, int flags) { + struct simple_xattr *old_xattr; struct kernfs_iattrs *attrs = kernfs_iattrs(kn); if (!attrs) return -ENOMEM; - return simple_xattr_set(&attrs->xattrs, name, value, size, flags, NULL); + old_xattr = simple_xattr_set(&attrs->xattrs, name, value, size, flags); + if (IS_ERR(old_xattr)) + return PTR_ERR(old_xattr); + + simple_xattr_free(old_xattr); + return 0; } static int kernfs_vfs_xattr_get(const struct xattr_handler *handler, @@ -342,7 +347,7 @@ static int kernfs_vfs_user_xattr_add(struct kernfs_node *kn, { atomic_t *sz = &kn->iattr->user_xattr_size; atomic_t *nr = &kn->iattr->nr_user_xattrs; - ssize_t removed_size; + struct simple_xattr *old_xattr; int ret; if (atomic_inc_return(nr) > KERNFS_MAX_USER_XATTRS) { @@ -355,13 +360,18 @@ static int kernfs_vfs_user_xattr_add(struct kernfs_node *kn, goto dec_size_out; } - ret = simple_xattr_set(xattrs, full_name, value, size, flags, - &removed_size); - - if (!ret && removed_size >= 0) - size = removed_size; - else if (!ret) + old_xattr = simple_xattr_set(xattrs, full_name, value, size, flags); + if (!old_xattr) return 0; + + if (IS_ERR(old_xattr)) { + ret = PTR_ERR(old_xattr); + goto dec_size_out; + } + + ret = 0; + size = old_xattr->size; + simple_xattr_free(old_xattr); dec_size_out: atomic_sub(size, sz); dec_count_out: @@ -376,18 +386,19 @@ static int kernfs_vfs_user_xattr_rm(struct kernfs_node *kn, { atomic_t *sz = &kn->iattr->user_xattr_size; atomic_t *nr = &kn->iattr->nr_user_xattrs; - ssize_t removed_size; - int ret; + struct simple_xattr *old_xattr; - ret = simple_xattr_set(xattrs, full_name, value, size, flags, - &removed_size); + old_xattr = simple_xattr_set(xattrs, full_name, value, size, flags); + if (!old_xattr) + return 0; - if (removed_size >= 0) { - atomic_sub(removed_size, sz); - atomic_dec(nr); - } + if (IS_ERR(old_xattr)) + return PTR_ERR(old_xattr); - return ret; + atomic_sub(old_xattr->size, sz); + atomic_dec(nr); + simple_xattr_free(old_xattr); + return 0; } static int kernfs_vfs_user_xattr_set(const struct xattr_handler *handler, diff --git a/fs/libfs.c b/fs/libfs.c index 5b851315eeed..da78eb64831e 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -33,7 +33,7 @@ int simple_getattr(struct mnt_idmap *idmap, const struct path *path, unsigned int query_flags) { struct inode *inode = d_inode(path->dentry); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->blocks = inode->i_mapping->nrpages << (PAGE_SHIFT - 9); return 0; } @@ -239,6 +239,254 @@ const struct inode_operations simple_dir_inode_operations = { }; EXPORT_SYMBOL(simple_dir_inode_operations); +static void offset_set(struct dentry *dentry, u32 offset) +{ + dentry->d_fsdata = (void *)((uintptr_t)(offset)); +} + +static u32 dentry2offset(struct dentry *dentry) +{ + return (u32)((uintptr_t)(dentry->d_fsdata)); +} + +static struct lock_class_key simple_offset_xa_lock; + +/** + * simple_offset_init - initialize an offset_ctx + * @octx: directory offset map to be initialized + * + */ +void simple_offset_init(struct offset_ctx *octx) +{ + xa_init_flags(&octx->xa, XA_FLAGS_ALLOC1); + lockdep_set_class(&octx->xa.xa_lock, &simple_offset_xa_lock); + + /* 0 is '.', 1 is '..', so always start with offset 2 */ + octx->next_offset = 2; +} + +/** + * simple_offset_add - Add an entry to a directory's offset map + * @octx: directory offset ctx to be updated + * @dentry: new dentry being added + * + * Returns zero on success. @so_ctx and the dentry offset are updated. + * Otherwise, a negative errno value is returned. + */ +int simple_offset_add(struct offset_ctx *octx, struct dentry *dentry) +{ + static const struct xa_limit limit = XA_LIMIT(2, U32_MAX); + u32 offset; + int ret; + + if (dentry2offset(dentry) != 0) + return -EBUSY; + + ret = xa_alloc_cyclic(&octx->xa, &offset, dentry, limit, + &octx->next_offset, GFP_KERNEL); + if (ret < 0) + return ret; + + offset_set(dentry, offset); + return 0; +} + +/** + * simple_offset_remove - Remove an entry to a directory's offset map + * @octx: directory offset ctx to be updated + * @dentry: dentry being removed + * + */ +void simple_offset_remove(struct offset_ctx *octx, struct dentry *dentry) +{ + u32 offset; + + offset = dentry2offset(dentry); + if (offset == 0) + return; + + xa_erase(&octx->xa, offset); + offset_set(dentry, 0); +} + +/** + * simple_offset_rename_exchange - exchange rename with directory offsets + * @old_dir: parent of dentry being moved + * @old_dentry: dentry being moved + * @new_dir: destination parent + * @new_dentry: destination dentry + * + * Returns zero on success. Otherwise a negative errno is returned and the + * rename is rolled back. + */ +int simple_offset_rename_exchange(struct inode *old_dir, + struct dentry *old_dentry, + struct inode *new_dir, + struct dentry *new_dentry) +{ + struct offset_ctx *old_ctx = old_dir->i_op->get_offset_ctx(old_dir); + struct offset_ctx *new_ctx = new_dir->i_op->get_offset_ctx(new_dir); + u32 old_index = dentry2offset(old_dentry); + u32 new_index = dentry2offset(new_dentry); + int ret; + + simple_offset_remove(old_ctx, old_dentry); + simple_offset_remove(new_ctx, new_dentry); + + ret = simple_offset_add(new_ctx, old_dentry); + if (ret) + goto out_restore; + + ret = simple_offset_add(old_ctx, new_dentry); + if (ret) { + simple_offset_remove(new_ctx, old_dentry); + goto out_restore; + } + + ret = simple_rename_exchange(old_dir, old_dentry, new_dir, new_dentry); + if (ret) { + simple_offset_remove(new_ctx, old_dentry); + simple_offset_remove(old_ctx, new_dentry); + goto out_restore; + } + return 0; + +out_restore: + offset_set(old_dentry, old_index); + xa_store(&old_ctx->xa, old_index, old_dentry, GFP_KERNEL); + offset_set(new_dentry, new_index); + xa_store(&new_ctx->xa, new_index, new_dentry, GFP_KERNEL); + return ret; +} + +/** + * simple_offset_destroy - Release offset map + * @octx: directory offset ctx that is about to be destroyed + * + * During fs teardown (eg. umount), a directory's offset map might still + * contain entries. xa_destroy() cleans out anything that remains. + */ +void simple_offset_destroy(struct offset_ctx *octx) +{ + xa_destroy(&octx->xa); +} + +/** + * offset_dir_llseek - Advance the read position of a directory descriptor + * @file: an open directory whose position is to be updated + * @offset: a byte offset + * @whence: enumerator describing the starting position for this update + * + * SEEK_END, SEEK_DATA, and SEEK_HOLE are not supported for directories. + * + * Returns the updated read position if successful; otherwise a + * negative errno is returned and the read position remains unchanged. + */ +static loff_t offset_dir_llseek(struct file *file, loff_t offset, int whence) +{ + switch (whence) { + case SEEK_CUR: + offset += file->f_pos; + fallthrough; + case SEEK_SET: + if (offset >= 0) + break; + fallthrough; + default: + return -EINVAL; + } + + return vfs_setpos(file, offset, U32_MAX); +} + +static struct dentry *offset_find_next(struct xa_state *xas) +{ + struct dentry *child, *found = NULL; + + rcu_read_lock(); + child = xas_next_entry(xas, U32_MAX); + if (!child) + goto out; + spin_lock(&child->d_lock); + if (simple_positive(child)) + found = dget_dlock(child); + spin_unlock(&child->d_lock); +out: + rcu_read_unlock(); + return found; +} + +static bool offset_dir_emit(struct dir_context *ctx, struct dentry *dentry) +{ + u32 offset = dentry2offset(dentry); + struct inode *inode = d_inode(dentry); + + return ctx->actor(ctx, dentry->d_name.name, dentry->d_name.len, offset, + inode->i_ino, fs_umode_to_dtype(inode->i_mode)); +} + +static void offset_iterate_dir(struct inode *inode, struct dir_context *ctx) +{ + struct offset_ctx *so_ctx = inode->i_op->get_offset_ctx(inode); + XA_STATE(xas, &so_ctx->xa, ctx->pos); + struct dentry *dentry; + + while (true) { + dentry = offset_find_next(&xas); + if (!dentry) + break; + + if (!offset_dir_emit(ctx, dentry)) { + dput(dentry); + break; + } + + dput(dentry); + ctx->pos = xas.xa_index + 1; + } +} + +/** + * offset_readdir - Emit entries starting at offset @ctx->pos + * @file: an open directory to iterate over + * @ctx: directory iteration context + * + * Caller must hold @file's i_rwsem to prevent insertion or removal of + * entries during this call. + * + * On entry, @ctx->pos contains an offset that represents the first entry + * to be read from the directory. + * + * The operation continues until there are no more entries to read, or + * until the ctx->actor indicates there is no more space in the caller's + * output buffer. + * + * On return, @ctx->pos contains an offset that will read the next entry + * in this directory when offset_readdir() is called again with @ctx. + * + * Return values: + * %0 - Complete + */ +static int offset_readdir(struct file *file, struct dir_context *ctx) +{ + struct dentry *dir = file->f_path.dentry; + + lockdep_assert_held(&d_inode(dir)->i_rwsem); + + if (!dir_emit_dots(file, ctx)) + return 0; + + offset_iterate_dir(d_inode(dir), ctx); + return 0; +} + +const struct file_operations simple_offset_dir_operations = { + .llseek = offset_dir_llseek, + .iterate_shared = offset_readdir, + .read = generic_read_dir, + .fsync = noop_fsync, +}; + static struct dentry *find_next_child(struct dentry *parent, struct dentry *prev) { struct dentry *child = NULL; @@ -275,7 +523,7 @@ void simple_recursive_removal(struct dentry *dentry, while ((child = find_next_child(this, victim)) == NULL) { // kill and ascend // update metadata while it's still locked - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); clear_nlink(inode); inode_unlock(inode); victim = this; @@ -293,8 +541,7 @@ void simple_recursive_removal(struct dentry *dentry, dput(victim); // unpin it } if (victim == dentry) { - inode->i_ctime = inode->i_mtime = - current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (d_is_dir(dentry)) drop_nlink(inode); inode_unlock(inode); @@ -335,7 +582,7 @@ static int pseudo_fs_fill_super(struct super_block *s, struct fs_context *fc) */ root->i_ino = 1; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; - root->i_atime = root->i_mtime = root->i_ctime = current_time(root); + root->i_atime = root->i_mtime = inode_set_ctime_current(root); s->s_root = d_make_root(root); if (!s->s_root) return -ENOMEM; @@ -391,7 +638,8 @@ int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *den { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + dir->i_mtime = inode_set_ctime_to_ts(dir, + inode_set_ctime_current(inode)); inc_nlink(inode); ihold(inode); dget(dentry); @@ -425,7 +673,8 @@ int simple_unlink(struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(dentry); - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + dir->i_mtime = inode_set_ctime_to_ts(dir, + inode_set_ctime_current(inode)); drop_nlink(inode); dput(dentry); return 0; @@ -444,6 +693,31 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry) } EXPORT_SYMBOL(simple_rmdir); +/** + * simple_rename_timestamp - update the various inode timestamps for rename + * @old_dir: old parent directory + * @old_dentry: dentry that is being renamed + * @new_dir: new parent directory + * @new_dentry: target for rename + * + * POSIX mandates that the old and new parent directories have their ctime and + * mtime updated, and that inodes of @old_dentry and @new_dentry (if any), have + * their ctime updated. + */ +void simple_rename_timestamp(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry) +{ + struct inode *newino = d_inode(new_dentry); + + old_dir->i_mtime = inode_set_ctime_current(old_dir); + if (new_dir != old_dir) + new_dir->i_mtime = inode_set_ctime_current(new_dir); + inode_set_ctime_current(d_inode(old_dentry)); + if (newino) + inode_set_ctime_current(newino); +} +EXPORT_SYMBOL_GPL(simple_rename_timestamp); + int simple_rename_exchange(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry) { @@ -459,11 +733,7 @@ int simple_rename_exchange(struct inode *old_dir, struct dentry *old_dentry, inc_nlink(old_dir); } } - old_dir->i_ctime = old_dir->i_mtime = - new_dir->i_ctime = new_dir->i_mtime = - d_inode(old_dentry)->i_ctime = - d_inode(new_dentry)->i_ctime = current_time(old_dir); - + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); return 0; } EXPORT_SYMBOL_GPL(simple_rename_exchange); @@ -472,7 +742,6 @@ int simple_rename(struct mnt_idmap *idmap, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { - struct inode *inode = d_inode(old_dentry); int they_are_dirs = d_is_dir(old_dentry); if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE)) @@ -495,9 +764,7 @@ int simple_rename(struct mnt_idmap *idmap, struct inode *old_dir, inc_nlink(new_dir); } - old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime = - new_dir->i_mtime = inode->i_ctime = current_time(old_dir); - + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); return 0; } EXPORT_SYMBOL(simple_rename); @@ -548,21 +815,20 @@ int simple_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, struct page **pagep, void **fsdata) { - struct page *page; - pgoff_t index; - - index = pos >> PAGE_SHIFT; + struct folio *folio; - page = grab_cache_page_write_begin(mapping, index); - if (!page) - return -ENOMEM; + folio = __filemap_get_folio(mapping, pos / PAGE_SIZE, FGP_WRITEBEGIN, + mapping_gfp_mask(mapping)); + if (IS_ERR(folio)) + return PTR_ERR(folio); - *pagep = page; + *pagep = &folio->page; - if (!PageUptodate(page) && (len != PAGE_SIZE)) { - unsigned from = pos & (PAGE_SIZE - 1); + if (!folio_test_uptodate(folio) && (len != folio_size(folio))) { + size_t from = offset_in_folio(folio, pos); - zero_user_segments(page, 0, from, from + len, PAGE_SIZE); + folio_zero_segments(folio, 0, from, + from + len, folio_size(folio)); } return 0; } @@ -594,17 +860,18 @@ static int simple_write_end(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata) { - struct inode *inode = page->mapping->host; + struct folio *folio = page_folio(page); + struct inode *inode = folio->mapping->host; loff_t last_pos = pos + copied; - /* zero the stale part of the page if we did a short copy */ - if (!PageUptodate(page)) { + /* zero the stale part of the folio if we did a short copy */ + if (!folio_test_uptodate(folio)) { if (copied < len) { - unsigned from = pos & (PAGE_SIZE - 1); + size_t from = offset_in_folio(folio, pos); - zero_user(page, from + copied, len - copied); + folio_zero_range(folio, from + copied, len - copied); } - SetPageUptodate(page); + folio_mark_uptodate(folio); } /* * No need to use i_size_read() here, the i_size @@ -613,9 +880,9 @@ static int simple_write_end(struct file *file, struct address_space *mapping, if (last_pos > inode->i_size) i_size_write(inode, last_pos); - set_page_dirty(page); - unlock_page(page); - put_page(page); + folio_mark_dirty(folio); + folio_unlock(folio); + folio_put(folio); return copied; } @@ -659,7 +926,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic, */ inode->i_ino = 1; inode->i_mode = S_IFDIR | 0755; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; set_nlink(inode, 2); @@ -685,7 +952,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic, goto out; } inode->i_mode = S_IFREG | files->mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_fop = files->ops; inode->i_ino = i; d_add(dentry, inode); @@ -1253,7 +1520,7 @@ struct inode *alloc_anon_inode(struct super_block *s) inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); inode->i_flags |= S_PRIVATE; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); return inode; } EXPORT_SYMBOL(alloc_anon_inode); @@ -1269,7 +1536,7 @@ EXPORT_SYMBOL(alloc_anon_inode); * All arguments are ignored and it just returns -EINVAL. */ int -simple_nosetlease(struct file *filp, long arg, struct file_lock **flp, +simple_nosetlease(struct file *filp, int arg, struct file_lock **flp, void **priv) { return -EINVAL; @@ -1315,7 +1582,7 @@ static int empty_dir_getattr(struct mnt_idmap *idmap, u32 request_mask, unsigned int query_flags) { struct inode *inode = d_inode(path->dentry); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); return 0; } diff --git a/fs/locks.c b/fs/locks.c index df8b26a42524..a45efc16945d 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -438,7 +438,7 @@ static void flock_make_lock(struct file *filp, struct file_lock *fl, int type) fl->fl_end = OFFSET_MAX; } -static int assign_type(struct file_lock *fl, long type) +static int assign_type(struct file_lock *fl, int type) { switch (type) { case F_RDLCK: @@ -549,7 +549,7 @@ static const struct lock_manager_operations lease_manager_ops = { /* * Initialize a lease, use the default lock manager operations */ -static int lease_init(struct file *filp, long type, struct file_lock *fl) +static int lease_init(struct file *filp, int type, struct file_lock *fl) { if (assign_type(fl, type) != 0) return -EINVAL; @@ -567,7 +567,7 @@ static int lease_init(struct file *filp, long type, struct file_lock *fl) } /* Allocate a file_lock initialised to this type of lease */ -static struct file_lock *lease_alloc(struct file *filp, long type) +static struct file_lock *lease_alloc(struct file *filp, int type) { struct file_lock *fl = locks_alloc_lock(); int error = -ENOMEM; @@ -868,6 +868,21 @@ static bool posix_locks_conflict(struct file_lock *caller_fl, return locks_conflict(caller_fl, sys_fl); } +/* Determine if lock sys_fl blocks lock caller_fl. Used on xx_GETLK + * path so checks for additional GETLK-specific things like F_UNLCK. + */ +static bool posix_test_locks_conflict(struct file_lock *caller_fl, + struct file_lock *sys_fl) +{ + /* F_UNLCK checks any locks on the same fd. */ + if (caller_fl->fl_type == F_UNLCK) { + if (!posix_same_owner(caller_fl, sys_fl)) + return false; + return locks_overlap(caller_fl, sys_fl); + } + return posix_locks_conflict(caller_fl, sys_fl); +} + /* Determine if lock sys_fl blocks lock caller_fl. FLOCK specific * checking before calling the locks_conflict(). */ @@ -901,7 +916,7 @@ posix_test_lock(struct file *filp, struct file_lock *fl) retry: spin_lock(&ctx->flc_lock); list_for_each_entry(cfl, &ctx->flc_posix, fl_list) { - if (!posix_locks_conflict(fl, cfl)) + if (!posix_test_locks_conflict(fl, cfl)) continue; if (cfl->fl_lmops && cfl->fl_lmops->lm_lock_expirable && (*cfl->fl_lmops->lm_lock_expirable)(cfl)) { @@ -1301,6 +1316,7 @@ retry: out: spin_unlock(&ctx->flc_lock); percpu_up_read(&file_rwsem); + trace_posix_lock_inode(inode, request, error); /* * Free any unused locks. */ @@ -1309,7 +1325,6 @@ retry: if (new_fl2) locks_free_lock(new_fl2); locks_dispose_list(&dispose); - trace_posix_lock_inode(inode, request, error); return error; } @@ -1666,7 +1681,7 @@ int fcntl_getlease(struct file *filp) * conflict with the lease we're trying to set. */ static int -check_conflicting_open(struct file *filp, const long arg, int flags) +check_conflicting_open(struct file *filp, const int arg, int flags) { struct inode *inode = file_inode(filp); int self_wcount = 0, self_rcount = 0; @@ -1701,7 +1716,7 @@ check_conflicting_open(struct file *filp, const long arg, int flags) } static int -generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv) +generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **priv) { struct file_lock *fl, *my_fl = NULL, *lease; struct inode *inode = file_inode(filp); @@ -1859,7 +1874,7 @@ static int generic_delete_lease(struct file *filp, void *owner) * The (input) flp->fl_lmops->lm_break function is required * by break_lease(). */ -int generic_setlease(struct file *filp, long arg, struct file_lock **flp, +int generic_setlease(struct file *filp, int arg, struct file_lock **flp, void **priv) { struct inode *inode = file_inode(filp); @@ -1906,7 +1921,7 @@ lease_notifier_chain_init(void) } static inline void -setlease_notifier(long arg, struct file_lock *lease) +setlease_notifier(int arg, struct file_lock *lease) { if (arg != F_UNLCK) srcu_notifier_call_chain(&lease_notifier_chain, arg, lease); @@ -1942,7 +1957,7 @@ EXPORT_SYMBOL_GPL(lease_unregister_notifier); * may be NULL if the lm_setup operation doesn't require it. */ int -vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv) +vfs_setlease(struct file *filp, int arg, struct file_lock **lease, void **priv) { if (lease) setlease_notifier(arg, *lease); @@ -1953,7 +1968,7 @@ vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv) } EXPORT_SYMBOL_GPL(vfs_setlease); -static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) +static int do_fcntl_add_lease(unsigned int fd, struct file *filp, int arg) { struct file_lock *fl; struct fasync_struct *new; @@ -1988,7 +2003,7 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) * Note that you also need to call %F_SETSIG to * receive a signal when the lease is broken. */ -int fcntl_setlease(unsigned int fd, struct file *filp, long arg) +int fcntl_setlease(unsigned int fd, struct file *filp, int arg) { if (arg == F_UNLCK) return vfs_setlease(filp, F_UNLCK, NULL, (void **)&filp); @@ -2136,7 +2151,7 @@ EXPORT_SYMBOL_GPL(vfs_test_lock); * @fl: The file_lock who's fl_pid should be translated * @ns: The namespace into which the pid should be translated * - * Used to tranlate a fl_pid into a namespace virtual pid number + * Used to translate a fl_pid into a namespace virtual pid number */ static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns) { @@ -2207,7 +2222,8 @@ int fcntl_getlk(struct file *filp, unsigned int cmd, struct flock *flock) if (fl == NULL) return -ENOMEM; error = -EINVAL; - if (flock->l_type != F_RDLCK && flock->l_type != F_WRLCK) + if (cmd != F_OFD_GETLK && flock->l_type != F_RDLCK + && flock->l_type != F_WRLCK) goto out; error = flock_to_posix_lock(filp, fl, flock); @@ -2414,7 +2430,8 @@ int fcntl_getlk64(struct file *filp, unsigned int cmd, struct flock64 *flock) return -ENOMEM; error = -EINVAL; - if (flock->l_type != F_RDLCK && flock->l_type != F_WRLCK) + if (cmd != F_OFD_GETLK && flock->l_type != F_RDLCK + && flock->l_type != F_WRLCK) goto out; error = flock64_to_posix_lock(filp, fl, flock); diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c index 870207ba23f1..25c08fbfcb9d 100644 --- a/fs/minix/bitmap.c +++ b/fs/minix/bitmap.c @@ -251,7 +251,7 @@ struct inode *minix_new_inode(const struct inode *dir, umode_t mode) } inode_init_owner(&nop_mnt_idmap, inode, dir, mode); inode->i_ino = j; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_blocks = 0; memset(&minix_i(inode)->u, 0, sizeof(minix_i(inode)->u)); insert_inode_hash(inode); diff --git a/fs/minix/dir.c b/fs/minix/dir.c index bf9858f76b6a..20f23e6e58ad 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -281,7 +281,7 @@ got_it: de->inode = inode->i_ino; } dir_commit_chunk(page, pos, sbi->s_dirsize); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); err = minix_handle_dirsync(dir); out_put: @@ -313,7 +313,7 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page) else de->inode = 0; dir_commit_chunk(page, pos, len); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); return minix_handle_dirsync(inode); } @@ -436,7 +436,7 @@ int minix_set_link(struct minix_dir_entry *de, struct page *page, else de->inode = inode->i_ino; dir_commit_chunk(page, pos, sbi->s_dirsize); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); return minix_handle_dirsync(dir); } diff --git a/fs/minix/inode.c b/fs/minix/inode.c index e9fbb5303a22..df575473c1cc 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -501,10 +501,7 @@ static struct inode *V1_minix_iget(struct inode *inode) i_gid_write(inode, raw_inode->i_gid); set_nlink(inode, raw_inode->i_nlinks); inode->i_size = raw_inode->i_size; - inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = raw_inode->i_time; - inode->i_mtime.tv_nsec = 0; - inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; + inode->i_mtime = inode->i_atime = inode_set_ctime(inode, raw_inode->i_time, 0); inode->i_blocks = 0; for (i = 0; i < 9; i++) minix_inode->u.i1_data[i] = raw_inode->i_zone[i]; @@ -543,10 +540,9 @@ static struct inode *V2_minix_iget(struct inode *inode) inode->i_size = raw_inode->i_size; inode->i_mtime.tv_sec = raw_inode->i_mtime; inode->i_atime.tv_sec = raw_inode->i_atime; - inode->i_ctime.tv_sec = raw_inode->i_ctime; + inode_set_ctime(inode, raw_inode->i_ctime, 0); inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; inode->i_blocks = 0; for (i = 0; i < 10; i++) minix_inode->u.i2_data[i] = raw_inode->i_zone[i]; @@ -622,7 +618,7 @@ static struct buffer_head * V2_minix_update_inode(struct inode * inode) raw_inode->i_size = inode->i_size; raw_inode->i_mtime = inode->i_mtime.tv_sec; raw_inode->i_atime = inode->i_atime.tv_sec; - raw_inode->i_ctime = inode->i_ctime.tv_sec; + raw_inode->i_ctime = inode_get_ctime(inode).tv_sec; if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) raw_inode->i_zone[0] = old_encode_dev(inode->i_rdev); else for (i = 0; i < 10; i++) @@ -660,7 +656,7 @@ int minix_getattr(struct mnt_idmap *idmap, const struct path *path, struct super_block *sb = path->dentry->d_sb; struct inode *inode = d_inode(path->dentry); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); if (INODE_VERSION(inode) == MINIX_V1) stat->blocks = (BLOCK_SIZE / 512) * V1_minix_blocks(stat->size, sb); else diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c index 446148792f41..ce18ae37c29d 100644 --- a/fs/minix/itree_common.c +++ b/fs/minix/itree_common.c @@ -131,7 +131,7 @@ static inline int splice_branch(struct inode *inode, /* We are done with atomic stuff, now do the rest of housekeeping */ - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); /* had we spliced it onto indirect block? */ if (where->bh) @@ -350,7 +350,7 @@ do_indirects: } first_whole++; } - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); } diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 956d5183828d..114084d5636a 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -98,7 +98,7 @@ static int minix_link(struct dentry * old_dentry, struct inode * dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_link_count(inode); ihold(inode); return add_nondir(dentry, inode); @@ -154,7 +154,7 @@ static int minix_unlink(struct inode * dir, struct dentry *dentry) if (err) return err; - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); inode_dec_link_count(inode); return 0; } @@ -218,7 +218,7 @@ static int minix_rename(struct mnt_idmap *idmap, put_page(new_page); if (err) goto out_dir; - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); diff --git a/fs/namei.c b/fs/namei.c index e56ff39a79bc..567ee547492b 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -643,6 +643,8 @@ static bool nd_alloc_stack(struct nameidata *nd) /** * path_connected - Verify that a dentry is below mnt.mnt_root + * @mnt: The mountpoint to check. + * @dentry: The dentry to check. * * Rename can sometimes move a file or directory outside of a bind * mount, path_connected allows those cases to be detected. @@ -1083,6 +1085,7 @@ fs_initcall(init_fs_namei_sysctls); /** * may_follow_link - Check symlink following for unsafe situations * @nd: nameidata pathwalk data + * @inode: Used for idmapping. * * In the case of the sysctl_protected_symlinks sysctl being enabled, * CAP_DAC_OVERRIDE needs to be specifically ignored if the symlink is @@ -2890,7 +2893,7 @@ int path_pts(struct path *path) dput(path->dentry); path->dentry = parent; child = d_hash_and_lookup(parent, &this); - if (!child) + if (IS_ERR_OR_NULL(child)) return -ENOENT; path->dentry = child; diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index c1eda73254e1..6bed1394d748 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -59,7 +59,7 @@ __be32 nfs4_callback_getattr(void *argp, void *resp, res->change_attr = delegation->change_attr; if (nfs_have_writebacks(inode)) res->change_attr++; - res->ctime = inode->i_ctime; + res->ctime = inode_get_ctime(inode); res->mtime = inode->i_mtime; res->bitmap[0] = (FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE) & args->bitmap[0]; diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 9a18c5a69ace..aaffaaa336cc 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -472,20 +472,26 @@ out: return result; } -static void -nfs_direct_join_group(struct list_head *list, struct inode *inode) +static void nfs_direct_join_group(struct list_head *list, struct inode *inode) { - struct nfs_page *req, *next; + struct nfs_page *req, *subreq; list_for_each_entry(req, list, wb_list) { - if (req->wb_head != req || req->wb_this_page == req) + if (req->wb_head != req) continue; - for (next = req->wb_this_page; - next != req->wb_head; - next = next->wb_this_page) { - nfs_list_remove_request(next); - nfs_release_request(next); - } + subreq = req->wb_this_page; + if (subreq == req) + continue; + do { + /* + * Remove subrequests from this list before freeing + * them in the call to nfs_join_page_group(). + */ + if (!list_empty(&subreq->wb_list)) { + nfs_list_remove_request(subreq); + nfs_release_request(subreq); + } + } while ((subreq = subreq->wb_this_page) != req); nfs_join_page_group(req, inode); } } diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h index e1706e736c64..2dc64454492b 100644 --- a/fs/nfs/fscache.h +++ b/fs/nfs/fscache.h @@ -116,8 +116,8 @@ static inline void nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata * memset(auxdata, 0, sizeof(*auxdata)); auxdata->mtime_sec = inode->i_mtime.tv_sec; auxdata->mtime_nsec = inode->i_mtime.tv_nsec; - auxdata->ctime_sec = inode->i_ctime.tv_sec; - auxdata->ctime_nsec = inode->i_ctime.tv_nsec; + auxdata->ctime_sec = inode_get_ctime(inode).tv_sec; + auxdata->ctime_nsec = inode_get_ctime(inode).tv_nsec; if (NFS_SERVER(inode)->nfs_client->rpc_ops->version == 4) auxdata->change_attr = inode_peek_iversion_raw(inode); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 8172dd4135a1..e21c073158e5 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -514,7 +514,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) memset(&inode->i_atime, 0, sizeof(inode->i_atime)); memset(&inode->i_mtime, 0, sizeof(inode->i_mtime)); - memset(&inode->i_ctime, 0, sizeof(inode->i_ctime)); + inode_set_ctime(inode, 0, 0); inode_set_iversion_raw(inode, 0); inode->i_size = 0; clear_nlink(inode); @@ -535,7 +535,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) else if (fattr_supported & NFS_ATTR_FATTR_MTIME) nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME); if (fattr->valid & NFS_ATTR_FATTR_CTIME) - inode->i_ctime = fattr->ctime; + inode_set_ctime_to_ts(inode, fattr->ctime); else if (fattr_supported & NFS_ATTR_FATTR_CTIME) nfs_set_cache_invalid(inode, NFS_INO_INVALID_CTIME); if (fattr->valid & NFS_ATTR_FATTR_CHANGE) @@ -731,7 +731,7 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, if ((attr->ia_valid & ATTR_GID) != 0) inode->i_gid = attr->ia_gid; if (fattr->valid & NFS_ATTR_FATTR_CTIME) - inode->i_ctime = fattr->ctime; + inode_set_ctime_to_ts(inode, fattr->ctime); else nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_CTIME); @@ -749,7 +749,7 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATIME); if (fattr->valid & NFS_ATTR_FATTR_CTIME) - inode->i_ctime = fattr->ctime; + inode_set_ctime_to_ts(inode, fattr->ctime); else nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_CTIME); @@ -765,7 +765,7 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME); if (fattr->valid & NFS_ATTR_FATTR_CTIME) - inode->i_ctime = fattr->ctime; + inode_set_ctime_to_ts(inode, fattr->ctime); else nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_CTIME); @@ -912,7 +912,7 @@ out_no_revalidate: /* Only return attributes that were revalidated. */ stat->result_mask = nfs_get_valid_attrmask(inode) | request_mask; - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode)); stat->change_cookie = inode_peek_iversion_raw(inode); stat->attributes_mask |= STATX_ATTR_CHANGE_MONOTONIC; @@ -1444,11 +1444,11 @@ static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfs_set_cache_invalid(inode, NFS_INO_INVALID_XATTR); } /* If we have atomic WCC data, we may update some attributes */ - ts = inode->i_ctime; + ts = inode_get_ctime(inode); if ((fattr->valid & NFS_ATTR_FATTR_PRECTIME) && (fattr->valid & NFS_ATTR_FATTR_CTIME) && timespec64_equal(&ts, &fattr->pre_ctime)) { - inode->i_ctime = fattr->ctime; + inode_set_ctime_to_ts(inode, fattr->ctime); } ts = inode->i_mtime; @@ -1510,7 +1510,7 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat if ((fattr->valid & NFS_ATTR_FATTR_MTIME) && !timespec64_equal(&ts, &fattr->mtime)) invalid |= NFS_INO_INVALID_MTIME; - ts = inode->i_ctime; + ts = inode_get_ctime(inode); if ((fattr->valid & NFS_ATTR_FATTR_CTIME) && !timespec64_equal(&ts, &fattr->ctime)) invalid |= NFS_INO_INVALID_CTIME; @@ -1997,7 +1997,7 @@ int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fa } if ((fattr->valid & NFS_ATTR_FATTR_CTIME) != 0 && (fattr->valid & NFS_ATTR_FATTR_PRECTIME) == 0) { - fattr->pre_ctime = inode->i_ctime; + fattr->pre_ctime = inode_get_ctime(inode); fattr->valid |= NFS_ATTR_FATTR_PRECTIME; } if ((fattr->valid & NFS_ATTR_FATTR_MTIME) != 0 && @@ -2190,7 +2190,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) save_cache_validity & NFS_INO_INVALID_MTIME; if (fattr->valid & NFS_ATTR_FATTR_CTIME) - inode->i_ctime = fattr->ctime; + inode_set_ctime_to_ts(inode, fattr->ctime); else if (fattr_supported & NFS_ATTR_FATTR_CTIME) nfsi->cache_validity |= save_cache_validity & NFS_INO_INVALID_CTIME; diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 19d51ebf842c..e7494cdd957e 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -215,7 +215,8 @@ nfs_namespace_getattr(struct mnt_idmap *idmap, if (NFS_FH(d_inode(path->dentry))->size != 0) return nfs_getattr(idmap, path, stat, request_mask, query_flags); - generic_fillattr(&nop_mnt_idmap, d_inode(path->dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(path->dentry), + stat); return 0; } diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 63802d195556..49f78e23b34c 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -1377,7 +1377,6 @@ ssize_t nfs42_proc_getxattr(struct inode *inode, const char *name, for (i = 0; i < np; i++) { pages[i] = alloc_page(GFP_KERNEL); if (!pages[i]) { - np = i + 1; err = -ENOMEM; goto out; } @@ -1401,8 +1400,8 @@ ssize_t nfs42_proc_getxattr(struct inode *inode, const char *name, } while (exception.retry); out: - while (--np >= 0) - __free_page(pages[np]); + while (--i >= 0) + __free_page(pages[i]); kfree(pages); return err; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 4c9f8bd866ab..47c5c1f86d66 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -328,7 +328,7 @@ extern int update_open_stateid(struct nfs4_state *state, const nfs4_stateid *open_stateid, const nfs4_stateid *deleg_stateid, fmode_t fmode); -extern int nfs4_proc_setlease(struct file *file, long arg, +extern int nfs4_proc_setlease(struct file *file, int arg, struct file_lock **lease, void **priv); extern int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo); diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 4aeadd6e1a6d..02788c3c85e5 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -438,7 +438,7 @@ void nfs42_ssc_unregister_ops(void) } #endif /* CONFIG_NFS_V4_2 */ -static int nfs4_setlease(struct file *file, long arg, struct file_lock **lease, +static int nfs4_setlease(struct file *file, int arg, struct file_lock **lease, void **priv) { return nfs4_proc_setlease(file, arg, lease, priv); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index e1a886b58354..d57aaf0cc577 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6004,9 +6004,8 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, out_ok: ret = res.acl_len; out_free: - for (i = 0; i < npages; i++) - if (pages[i]) - __free_page(pages[i]); + while (--i >= 0) + __free_page(pages[i]); if (res.acl_scratch) __free_page(res.acl_scratch); kfree(pages); @@ -7181,8 +7180,15 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata) } else if (!nfs4_update_lock_stateid(lsp, &data->res.stateid)) goto out_restart; break; - case -NFS4ERR_BAD_STATEID: case -NFS4ERR_OLD_STATEID: + if (data->arg.new_lock_owner != 0 && + nfs4_refresh_open_old_stateid(&data->arg.open_stateid, + lsp->ls_state)) + goto out_restart; + if (nfs4_refresh_lock_old_stateid(&data->arg.lock_stateid, lsp)) + goto out_restart; + fallthrough; + case -NFS4ERR_BAD_STATEID: case -NFS4ERR_STALE_STATEID: case -NFS4ERR_EXPIRED: if (data->arg.new_lock_owner != 0) { @@ -7573,7 +7579,7 @@ static int nfs4_delete_lease(struct file *file, void **priv) return generic_setlease(file, F_UNLCK, NULL, priv); } -static int nfs4_add_lease(struct file *file, long arg, struct file_lock **lease, +static int nfs4_add_lease(struct file *file, int arg, struct file_lock **lease, void **priv) { struct inode *inode = file_inode(file); @@ -7591,7 +7597,7 @@ static int nfs4_add_lease(struct file *file, long arg, struct file_lock **lease, return -EAGAIN; } -int nfs4_proc_setlease(struct file *file, long arg, struct file_lock **lease, +int nfs4_proc_setlease(struct file *file, int arg, struct file_lock **lease, void **priv) { switch (arg) { diff --git a/fs/nfs/sysfs.c b/fs/nfs/sysfs.c index acda8f033d30..bf378ecd5d9f 100644 --- a/fs/nfs/sysfs.c +++ b/fs/nfs/sysfs.c @@ -345,8 +345,10 @@ void nfs_sysfs_move_sb_to_server(struct nfs_server *server) int ret = -ENOMEM; s = kasprintf(GFP_KERNEL, "server-%d", server->s_sysfs_id); - if (s) + if (s) { ret = kobject_rename(&server->kobj, s); + kfree(s); + } if (ret < 0) pr_warn("NFS: rename sysfs %s failed (%d)\n", server->kobj.name, ret); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 3aefbad4cc09..daf305daa751 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1354,9 +1354,9 @@ static void revoke_delegation(struct nfs4_delegation *dp) trace_nfsd_stid_revoke(&dp->dl_stid); if (clp->cl_minorversion) { + spin_lock(&clp->cl_lock); dp->dl_stid.sc_type = NFS4_REVOKED_DELEG_STID; refcount_inc(&dp->dl_stid.sc_count); - spin_lock(&clp->cl_lock); list_add(&dp->dl_recall_lru, &clp->cl_revoked); spin_unlock(&clp->cl_lock); } diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 1b8b1aab9a15..3709830f90a6 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1105,6 +1105,7 @@ static ssize_t write_v4_end_grace(struct file *file, char *buf, size_t size) if (!nn->nfsd_serv) return -EBUSY; trace_nfsd_end_grace(netns(file)); + nfsd4_end_grace(nn); break; default: return -EINVAL; @@ -1131,7 +1132,7 @@ static struct inode *nfsd_get_inode(struct super_block *sb, umode_t mode) /* Following advice from simple_fill_super documentation: */ inode->i_ino = iunique(sb, NFSD_MaxReserved); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); switch (mode & S_IFMT) { case S_IFDIR: inode->i_fop = &simple_dir_operations; diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 2c9074ab2315..9b7acba382fe 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -520,7 +520,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, nfsd_sanitize_attrs(inode, iap); - if (check_guard && guardtime != inode->i_ctime.tv_sec) + if (check_guard && guardtime != inode_get_ctime(inode).tv_sec) return nfserr_notsync; /* diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index decd6471300b..bce734b68f08 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -429,7 +429,7 @@ void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de, nilfs_set_de_type(de, inode); nilfs_commit_chunk(page, mapping, from, to); nilfs_put_page(page); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); } /* @@ -519,7 +519,7 @@ got_it: de->inode = cpu_to_le64(inode->i_ino); nilfs_set_de_type(de, inode); nilfs_commit_chunk(page, page->mapping, from, to); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); nilfs_mark_inode_dirty(dir); /* OFFSET_CACHE */ out_put: @@ -567,7 +567,7 @@ int nilfs_delete_entry(struct nilfs_dir_entry *dir, struct page *page) pde->rec_len = nilfs_rec_len_to_disk(to - from); dir->inode = 0; nilfs_commit_chunk(page, mapping, from, to); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); out: nilfs_put_page(page); return err; diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index a8ce522ac747..d588c719d743 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -366,7 +366,7 @@ struct inode *nilfs_new_inode(struct inode *dir, umode_t mode) atomic64_inc(&root->inodes_count); inode_init_owner(&nop_mnt_idmap, inode, dir, mode); inode->i_ino = ino; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) { err = nilfs_bmap_read(ii->i_bmap, NULL); @@ -450,10 +450,10 @@ int nilfs_read_inode_common(struct inode *inode, set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); inode->i_size = le64_to_cpu(raw_inode->i_size); inode->i_atime.tv_sec = le64_to_cpu(raw_inode->i_mtime); - inode->i_ctime.tv_sec = le64_to_cpu(raw_inode->i_ctime); + inode_set_ctime(inode, le64_to_cpu(raw_inode->i_ctime), + le32_to_cpu(raw_inode->i_ctime_nsec)); inode->i_mtime.tv_sec = le64_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = le32_to_cpu(raw_inode->i_mtime_nsec); - inode->i_ctime.tv_nsec = le32_to_cpu(raw_inode->i_ctime_nsec); inode->i_mtime.tv_nsec = le32_to_cpu(raw_inode->i_mtime_nsec); if (nilfs_is_metadata_file_inode(inode) && !S_ISREG(inode->i_mode)) return -EIO; /* this inode is for metadata and corrupted */ @@ -768,9 +768,9 @@ void nilfs_write_inode_common(struct inode *inode, raw_inode->i_gid = cpu_to_le32(i_gid_read(inode)); raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); raw_inode->i_size = cpu_to_le64(inode->i_size); - raw_inode->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); + raw_inode->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); raw_inode->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); - raw_inode->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + raw_inode->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); raw_inode->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); raw_inode->i_blocks = cpu_to_le64(inode->i_blocks); @@ -875,7 +875,7 @@ void nilfs_truncate(struct inode *inode) nilfs_truncate_bmap(ii, blkoff); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (IS_SYNC(inode)) nilfs_set_transaction_flag(NILFS_TI_SYNC); @@ -1101,9 +1101,17 @@ int nilfs_set_file_dirty(struct inode *inode, unsigned int nr_dirty) int __nilfs_mark_inode_dirty(struct inode *inode, int flags) { + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct buffer_head *ibh; int err; + /* + * Do not dirty inodes after the log writer has been detached + * and its nilfs_root struct has been freed. + */ + if (unlikely(nilfs_purging(nilfs))) + return 0; + err = nilfs_load_inode_block(inode, &ibh); if (unlikely(err)) { nilfs_warn(inode->i_sb, diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 1dfbc0c34513..40ffade49f38 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -149,7 +149,7 @@ int nilfs_fileattr_set(struct mnt_idmap *idmap, NILFS_I(inode)->i_flags = oldflags | (flags & FS_FL_USER_MODIFIABLE); nilfs_set_inode_flags(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (IS_SYNC(inode)) nilfs_set_transaction_flag(NILFS_TI_SYNC); diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index c7024da8f1e2..2a4e7f4a8102 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -185,7 +185,7 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir, if (err) return err; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_link_count(inode); ihold(inode); @@ -283,7 +283,7 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry) if (err) goto out; - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); drop_nlink(inode); err = 0; out: @@ -387,7 +387,7 @@ static int nilfs_rename(struct mnt_idmap *idmap, goto out_dir; nilfs_set_link(new_dir, new_de, new_page, old_inode); nilfs_mark_inode_dirty(new_dir); - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); if (dir_de) drop_nlink(new_inode); drop_nlink(new_inode); @@ -406,7 +406,7 @@ static int nilfs_rename(struct mnt_idmap *idmap, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); nilfs_delete_entry(old_de, old_page); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index c2553024bd25..7ec16879756e 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -725,6 +725,11 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, struct folio *folio = fbatch.folios[i]; folio_lock(folio); + if (unlikely(folio->mapping != mapping)) { + /* Exclude folios removed from the address space */ + folio_unlock(folio); + continue; + } head = folio_buffers(folio); if (!head) { create_empty_buffers(&folio->page, i_blocksize(inode), 0); @@ -2845,6 +2850,7 @@ void nilfs_detach_log_writer(struct super_block *sb) nilfs_segctor_destroy(nilfs->ns_writer); nilfs->ns_writer = NULL; } + set_nilfs_purging(nilfs); /* Force to free the list of dirty files */ spin_lock(&nilfs->ns_inode_lock); @@ -2857,4 +2863,5 @@ void nilfs_detach_log_writer(struct super_block *sb) up_write(&nilfs->ns_segctor_sem); nilfs_dispose_list(nilfs, &garbage_list, 1); + clear_nilfs_purging(nilfs); } diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 0ef8c71bde8e..a5d1fa4e7552 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -35,6 +35,7 @@ #include <linux/writeback.h> #include <linux/seq_file.h> #include <linux/mount.h> +#include <linux/fs_context.h> #include "nilfs.h" #include "export.h" #include "mdt.h" @@ -1216,7 +1217,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) } struct nilfs_super_data { - struct block_device *bdev; __u64 cno; int flags; }; @@ -1283,64 +1283,49 @@ static int nilfs_identify(char *data, struct nilfs_super_data *sd) static int nilfs_set_bdev_super(struct super_block *s, void *data) { - s->s_bdev = data; - s->s_dev = s->s_bdev->bd_dev; + s->s_dev = *(dev_t *)data; return 0; } static int nilfs_test_bdev_super(struct super_block *s, void *data) { - return (void *)s->s_bdev == data; + return !(s->s_iflags & SB_I_RETIRED) && s->s_dev == *(dev_t *)data; } static struct dentry * nilfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - struct nilfs_super_data sd; + struct nilfs_super_data sd = { .flags = flags }; struct super_block *s; - struct dentry *root_dentry; - int err, s_new = false; + dev_t dev; + int err; - sd.bdev = blkdev_get_by_path(dev_name, sb_open_mode(flags), fs_type, - NULL); - if (IS_ERR(sd.bdev)) - return ERR_CAST(sd.bdev); + if (nilfs_identify(data, &sd)) + return ERR_PTR(-EINVAL); - sd.cno = 0; - sd.flags = flags; - if (nilfs_identify((char *)data, &sd)) { - err = -EINVAL; - goto failed; - } + err = lookup_bdev(dev_name, &dev); + if (err) + return ERR_PTR(err); - /* - * once the super is inserted into the list by sget, s_umount - * will protect the lockfs code from trying to start a snapshot - * while we are mounting - */ - mutex_lock(&sd.bdev->bd_fsfreeze_mutex); - if (sd.bdev->bd_fsfreeze_count > 0) { - mutex_unlock(&sd.bdev->bd_fsfreeze_mutex); - err = -EBUSY; - goto failed; - } s = sget(fs_type, nilfs_test_bdev_super, nilfs_set_bdev_super, flags, - sd.bdev); - mutex_unlock(&sd.bdev->bd_fsfreeze_mutex); - if (IS_ERR(s)) { - err = PTR_ERR(s); - goto failed; - } + &dev); + if (IS_ERR(s)) + return ERR_CAST(s); if (!s->s_root) { - s_new = true; - - /* New superblock instance created */ - snprintf(s->s_id, sizeof(s->s_id), "%pg", sd.bdev); - sb_set_blocksize(s, block_size(sd.bdev)); - - err = nilfs_fill_super(s, data, flags & SB_SILENT ? 1 : 0); + /* + * We drop s_umount here because we need to open the bdev and + * bdev->open_mutex ranks above s_umount (blkdev_put() -> + * __invalidate_device()). It is safe because we have active sb + * reference and SB_BORN is not set yet. + */ + up_write(&s->s_umount); + err = setup_bdev_super(s, flags, NULL); + down_write(&s->s_umount); + if (!err) + err = nilfs_fill_super(s, data, + flags & SB_SILENT ? 1 : 0); if (err) goto failed_super; @@ -1366,24 +1351,18 @@ nilfs_mount(struct file_system_type *fs_type, int flags, } if (sd.cno) { + struct dentry *root_dentry; + err = nilfs_attach_snapshot(s, sd.cno, &root_dentry); if (err) goto failed_super; - } else { - root_dentry = dget(s->s_root); + return root_dentry; } - if (!s_new) - blkdev_put(sd.bdev, fs_type); - - return root_dentry; + return dget(s->s_root); failed_super: deactivate_locked_super(s); - - failed: - if (!s_new) - blkdev_put(sd.bdev, fs_type); return ERR_PTR(err); } diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index 47c7dfbb7ea5..cd4ae1b8ae16 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -29,6 +29,7 @@ enum { THE_NILFS_DISCONTINUED, /* 'next' pointer chain has broken */ THE_NILFS_GC_RUNNING, /* gc process is running */ THE_NILFS_SB_DIRTY, /* super block is dirty */ + THE_NILFS_PURGING, /* disposing dirty files for cleanup */ }; /** @@ -208,6 +209,7 @@ THE_NILFS_FNS(INIT, init) THE_NILFS_FNS(DISCONTINUED, discontinued) THE_NILFS_FNS(GC_RUNNING, gc_running) THE_NILFS_FNS(SB_DIRTY, sb_dirty) +THE_NILFS_FNS(PURGING, purging) /* * Mount option operations diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index 190aa717fa32..ebdcc25df0f7 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -199,7 +199,7 @@ void dnotify_flush(struct file *filp, fl_owner_t id) } /* this conversion is done only at watch creation */ -static __u32 convert_arg(unsigned long arg) +static __u32 convert_arg(unsigned int arg) { __u32 new_mask = FS_EVENT_ON_CHILD; @@ -258,7 +258,7 @@ static int attach_dn(struct dnotify_struct *dn, struct dnotify_mark *dn_mark, * up here. Allocate both a mark for fsnotify to add and a dnotify_struct to be * attached to the fsnotify_mark. */ -int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg) +int fcntl_dirnotify(int fd, struct file *filp, unsigned int arg) { struct dnotify_mark *new_dn_mark, *dn_mark; struct fsnotify_mark *new_fsn_mark, *fsn_mark; diff --git a/fs/nsfs.c b/fs/nsfs.c index f602a96a1afe..647a22433bd8 100644 --- a/fs/nsfs.c +++ b/fs/nsfs.c @@ -84,7 +84,7 @@ slow: return -ENOMEM; } inode->i_ino = ns->inum; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_flags |= S_IMMUTABLE; inode->i_mode = S_IFREG | S_IRUGO; inode->i_fop = &ns_file_operations; diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 6c3f38d66579..99ac6ea277c4 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -654,7 +654,7 @@ static int ntfs_read_locked_inode(struct inode *vi) * always changes, when mtime is changed. ctime can be changed on its * own, mtime is then not changed, e.g. when a file is renamed. */ - vi->i_ctime = ntfs2utc(si->last_mft_change_time); + inode_set_ctime_to_ts(vi, ntfs2utc(si->last_mft_change_time)); /* * Last access to the data within the file. Not changed during a rename * for example but changed whenever the file is written to. @@ -1218,7 +1218,7 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi) vi->i_gid = base_vi->i_gid; set_nlink(vi, base_vi->i_nlink); vi->i_mtime = base_vi->i_mtime; - vi->i_ctime = base_vi->i_ctime; + inode_set_ctime_to_ts(vi, inode_get_ctime(base_vi)); vi->i_atime = base_vi->i_atime; vi->i_generation = ni->seq_no = base_ni->seq_no; @@ -1484,7 +1484,7 @@ static int ntfs_read_locked_index_inode(struct inode *base_vi, struct inode *vi) vi->i_gid = base_vi->i_gid; set_nlink(vi, base_vi->i_nlink); vi->i_mtime = base_vi->i_mtime; - vi->i_ctime = base_vi->i_ctime; + inode_set_ctime_to_ts(vi, inode_get_ctime(base_vi)); vi->i_atime = base_vi->i_atime; vi->i_generation = ni->seq_no = base_ni->seq_no; /* Set inode type to zero but preserve permissions. */ @@ -2804,13 +2804,14 @@ done: */ if (!IS_NOCMTIME(VFS_I(base_ni)) && !IS_RDONLY(VFS_I(base_ni))) { struct timespec64 now = current_time(VFS_I(base_ni)); + struct timespec64 ctime = inode_get_ctime(VFS_I(base_ni)); int sync_it = 0; if (!timespec64_equal(&VFS_I(base_ni)->i_mtime, &now) || - !timespec64_equal(&VFS_I(base_ni)->i_ctime, &now)) + !timespec64_equal(&ctime, &now)) sync_it = 1; + inode_set_ctime_to_ts(VFS_I(base_ni), now); VFS_I(base_ni)->i_mtime = now; - VFS_I(base_ni)->i_ctime = now; if (sync_it) mark_inode_dirty_sync(VFS_I(base_ni)); @@ -2928,7 +2929,7 @@ int ntfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, if (ia_valid & ATTR_MTIME) vi->i_mtime = attr->ia_mtime; if (ia_valid & ATTR_CTIME) - vi->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(vi, attr->ia_ctime); mark_inode_dirty(vi); out: return err; @@ -3004,7 +3005,7 @@ int __ntfs_write_inode(struct inode *vi, int sync) si->last_data_change_time = nt; modified = true; } - nt = utc2ntfs(vi->i_ctime); + nt = utc2ntfs(inode_get_ctime(vi)); if (si->last_mft_change_time != nt) { ntfs_debug("Updating ctime for inode 0x%lx: old = 0x%llx, " "new = 0x%llx", vi->i_ino, (long long) diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index 0155f106ec34..ad1a8f72da22 100644 --- a/fs/ntfs/mft.c +++ b/fs/ntfs/mft.c @@ -2682,8 +2682,7 @@ mft_rec_already_initialized: vi->i_mode &= ~S_IWUGO; /* Set the inode times to the current time. */ - vi->i_atime = vi->i_mtime = vi->i_ctime = - current_time(vi); + vi->i_atime = vi->i_mtime = inode_set_ctime_current(vi); /* * Set the file size to 0, the ntfs inode sizes are set to 0 by * the call to ntfs_init_big_inode() below. diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index 1d6c824246c4..962f12ce6c0a 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -85,7 +85,7 @@ int ntfs_getattr(struct mnt_idmap *idmap, const struct path *path, stat->attributes_mask |= STATX_ATTR_COMPRESSED | STATX_ATTR_ENCRYPTED; - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); stat->result_mask |= STATX_BTIME; stat->btime = ni->i_crtime; @@ -342,7 +342,7 @@ static int ntfs_extend(struct inode *inode, loff_t pos, size_t count, err = 0; } - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); if (IS_SYNC(inode)) { @@ -400,7 +400,7 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size) ni_unlock(ni); ni->std_fa |= FILE_ATTRIBUTE_ARCHIVE; - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (!IS_DIRSYNC(inode)) { dirty = 1; } else { @@ -642,7 +642,7 @@ out: filemap_invalidate_unlock(mapping); if (!err) { - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); } diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index 16bd9faa2d28..2b85cb10f0be 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -3265,6 +3265,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint) if (is_rec_inuse(ni->mi.mrec) && !(sbi->flags & NTFS_FLAGS_LOG_REPLAYING) && inode->i_nlink) { bool modified = false; + struct timespec64 ctime = inode_get_ctime(inode); /* Update times in standard attribute. */ std = ni_std(ni); @@ -3280,7 +3281,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint) modified = true; } - dup.c_time = kernel2nt(&inode->i_ctime); + dup.c_time = kernel2nt(&ctime); if (std->c_time != dup.c_time) { std->c_time = dup.c_time; modified = true; diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index dc7e7ab701c6..4123e126c4d0 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -44,6 +44,7 @@ static struct inode *ntfs_read_mft(struct inode *inode, u64 t64; struct MFT_REC *rec; struct runs_tree *run; + struct timespec64 ctime; inode->i_op = NULL; /* Setup 'uid' and 'gid' */ @@ -169,7 +170,8 @@ next_attr: nt2kernel(std5->cr_time, &ni->i_crtime); #endif nt2kernel(std5->a_time, &inode->i_atime); - nt2kernel(std5->c_time, &inode->i_ctime); + ctime = inode_get_ctime(inode); + nt2kernel(std5->c_time, &ctime); nt2kernel(std5->m_time, &inode->i_mtime); ni->std_fa = std5->fa; @@ -958,7 +960,7 @@ int ntfs_write_end(struct file *file, struct address_space *mapping, loff_t pos, if (err >= 0) { if (!(ni->std_fa & FILE_ATTRIBUTE_ARCHIVE)) { - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ni->std_fa |= FILE_ATTRIBUTE_ARCHIVE; dirty = true; } @@ -1658,8 +1660,8 @@ struct inode *ntfs_create_inode(struct mnt_idmap *idmap, struct inode *dir, d_instantiate(dentry, inode); /* Set original time. inode times (i_ctime) may be changed in ntfs_init_acl. */ - inode->i_atime = inode->i_mtime = inode->i_ctime = dir->i_mtime = - dir->i_ctime = ni->i_crtime; + inode->i_atime = inode->i_mtime = inode_set_ctime_to_ts(inode, ni->i_crtime); + dir->i_mtime = inode_set_ctime_to_ts(dir, ni->i_crtime); mark_inode_dirty(dir); mark_inode_dirty(inode); @@ -1765,9 +1767,9 @@ int ntfs_unlink_inode(struct inode *dir, const struct dentry *dentry) if (!err) { drop_nlink(inode); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); if (inode->i_nlink) mark_inode_dirty(inode); } else if (!ni_remove_name_undo(dir_ni, ni, de, de2, undo_remove)) { diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index 70f8c859e0ad..ad430d50bd79 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -156,8 +156,8 @@ static int ntfs_link(struct dentry *ode, struct inode *dir, struct dentry *de) err = ntfs_link_inode(inode, de); if (!err) { - dir->i_ctime = dir->i_mtime = inode->i_ctime = - current_time(dir); + dir->i_mtime = inode_set_ctime_to_ts(inode, + inode_set_ctime_current(dir)); mark_inode_dirty(inode); mark_inode_dirty(dir); d_instantiate(de, inode); @@ -324,14 +324,11 @@ static int ntfs_rename(struct mnt_idmap *idmap, struct inode *dir, /* Restore after failed rename failed too. */ _ntfs_bad_inode(inode); } else if (!err) { - inode->i_ctime = dir->i_ctime = dir->i_mtime = - current_time(dir); + simple_rename_timestamp(dir, dentry, new_dir, new_dentry); mark_inode_dirty(inode); mark_inode_dirty(dir); - if (dir != new_dir) { - new_dir->i_mtime = new_dir->i_ctime = dir->i_ctime; + if (dir != new_dir) mark_inode_dirty(new_dir); - } if (IS_DIRSYNC(dir)) ntfs_sync_inode(dir); diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index 1a02072b6b0e..5fffddea554f 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -569,9 +569,9 @@ static void init_once(void *foo) } /* - * put_ntfs - Noinline to reduce binary size. + * Noinline to reduce binary size. */ -static noinline void put_ntfs(struct ntfs_sb_info *sbi) +static noinline void ntfs3_free_sbi(struct ntfs_sb_info *sbi) { kfree(sbi->new_rec); kvfree(ntfs_put_shared(sbi->upcase)); @@ -625,12 +625,6 @@ static void ntfs_put_super(struct super_block *sb) /* Mark rw ntfs as clear, if possible. */ ntfs_set_state(sbi, NTFS_DIRTY_CLEAR); - - put_mount_options(sbi->options); - put_ntfs(sbi); - sb->s_fs_info = NULL; - - sync_blockdev(sb->s_bdev); } static int ntfs_statfs(struct dentry *dentry, struct kstatfs *buf) @@ -1564,15 +1558,7 @@ load_root: put_inode_out: iput(inode); out: - /* - * Free resources here. - * ntfs_fs_free will be called with fc->s_fs_info = NULL - */ - put_mount_options(sbi->options); - put_ntfs(sbi); - sb->s_fs_info = NULL; kfree(boot2); - return err; } @@ -1659,7 +1645,7 @@ static void ntfs_fs_free(struct fs_context *fc) struct ntfs_sb_info *sbi = fc->s_fs_info; if (sbi) - put_ntfs(sbi); + ntfs3_free_sbi(sbi); if (opts) put_mount_options(opts); @@ -1728,13 +1714,24 @@ free_opts: return -ENOMEM; } +static void ntfs3_kill_sb(struct super_block *sb) +{ + struct ntfs_sb_info *sbi = sb->s_fs_info; + + kill_block_super(sb); + + if (sbi->options) + put_mount_options(sbi->options); + ntfs3_free_sbi(sbi); +} + // clang-format off static struct file_system_type ntfs_fs_type = { .owner = THIS_MODULE, .name = "ntfs3", .init_fs_context = ntfs_init_fs_context, .parameters = ntfs_fs_parameters, - .kill_sb = kill_block_super, + .kill_sb = ntfs3_kill_sb, .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, }; // clang-format on diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c index 023f314e8950..29fd391899e5 100644 --- a/fs/ntfs3/xattr.c +++ b/fs/ntfs3/xattr.c @@ -637,7 +637,7 @@ static noinline int ntfs_set_acl_ex(struct mnt_idmap *idmap, if (!err) { set_cached_acl(inode, type, acl); inode->i_mode = mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); } @@ -924,7 +924,7 @@ set_new_fa: NULL); out: - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); return err; diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 9fd03eaf15f8..e75137a8e7cb 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -191,10 +191,10 @@ static int ocfs2_acl_set_mode(struct inode *inode, struct buffer_head *di_bh, } inode->i_mode = new_mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); di->i_mode = cpu_to_le16(inode->i_mode); - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 0); ocfs2_journal_dirty(handle, di_bh); diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 51c93929a146..aef58f1395c8 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -7436,10 +7436,10 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh, } inode->i_blocks = ocfs2_inode_sector_count(inode); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); - di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + di->i_ctime = di->i_mtime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 1); ocfs2_journal_dirty(handle, di_bh); diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 8dfc284e85f0..0fdba30740ab 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -2048,7 +2048,7 @@ out_write_size: } inode->i_blocks = ocfs2_inode_sector_count(inode); di->i_size = cpu_to_le64((u64)i_size_read(inode)); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec); di->i_mtime_nsec = di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); if (handle) diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 694471fc46b8..8b123d543e6e 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1658,7 +1658,7 @@ int __ocfs2_add_entry(handle_t *handle, offset, ocfs2_dir_trailer_blk_off(dir->i_sb)); if (ocfs2_dirent_would_fit(de, rec_len)) { - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh); if (retval < 0) { mlog_errno(retval); @@ -2962,11 +2962,11 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, ocfs2_dinode_new_extent_list(dir, di); i_size_write(dir, sb->s_blocksize); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); di->i_size = cpu_to_le64(sb->s_blocksize); - di->i_ctime = di->i_mtime = cpu_to_le64(dir->i_ctime.tv_sec); - di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(dir->i_ctime.tv_nsec); + di->i_ctime = di->i_mtime = cpu_to_le64(inode_get_ctime(dir).tv_sec); + di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode_get_ctime(dir).tv_nsec); ocfs2_update_inode_fsync_trans(handle, dir, 1); /* diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index ba26c5567cff..81265123ce6c 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -337,7 +337,7 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb) if (inode) { inode->i_ino = get_next_ino(); inode_init_owner(&nop_mnt_idmap, inode, NULL, mode); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inc_nlink(inode); inode->i_fop = &simple_dir_operations; @@ -360,7 +360,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent, inode->i_ino = get_next_ino(); inode_init_owner(&nop_mnt_idmap, inode, parent, mode); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); ip = DLMFS_I(inode); ip->ip_conn = DLMFS_I(parent)->ip_conn; diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index c28bc983a7b1..c3e2961ee5db 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2162,6 +2162,7 @@ static void __ocfs2_stuff_meta_lvb(struct inode *inode) struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_lock_res *lockres = &oi->ip_inode_lockres; struct ocfs2_meta_lvb *lvb; + struct timespec64 ctime = inode_get_ctime(inode); lvb = ocfs2_dlm_lvb(&lockres->l_lksb); @@ -2185,7 +2186,7 @@ static void __ocfs2_stuff_meta_lvb(struct inode *inode) lvb->lvb_iatime_packed = cpu_to_be64(ocfs2_pack_timespec(&inode->i_atime)); lvb->lvb_ictime_packed = - cpu_to_be64(ocfs2_pack_timespec(&inode->i_ctime)); + cpu_to_be64(ocfs2_pack_timespec(&ctime)); lvb->lvb_imtime_packed = cpu_to_be64(ocfs2_pack_timespec(&inode->i_mtime)); lvb->lvb_iattr = cpu_to_be32(oi->ip_attr); @@ -2208,6 +2209,7 @@ static int ocfs2_refresh_inode_from_lvb(struct inode *inode) struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_lock_res *lockres = &oi->ip_inode_lockres; struct ocfs2_meta_lvb *lvb; + struct timespec64 ctime; mlog_meta_lvb(0, lockres); @@ -2238,8 +2240,9 @@ static int ocfs2_refresh_inode_from_lvb(struct inode *inode) be64_to_cpu(lvb->lvb_iatime_packed)); ocfs2_unpack_timespec(&inode->i_mtime, be64_to_cpu(lvb->lvb_imtime_packed)); - ocfs2_unpack_timespec(&inode->i_ctime, + ocfs2_unpack_timespec(&ctime, be64_to_cpu(lvb->lvb_ictime_packed)); + inode_set_ctime_to_ts(inode, ctime); spin_unlock(&oi->ip_lock); return 0; } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index bf2c17ea96a0..3b91b4cc7c6a 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -232,8 +232,10 @@ int ocfs2_should_update_atime(struct inode *inode, return 0; if (vfsmnt->mnt_flags & MNT_RELATIME) { + struct timespec64 ctime = inode_get_ctime(inode); + if ((timespec64_compare(&inode->i_atime, &inode->i_mtime) <= 0) || - (timespec64_compare(&inode->i_atime, &inode->i_ctime) <= 0)) + (timespec64_compare(&inode->i_atime, &ctime) <= 0)) return 1; return 0; @@ -294,7 +296,7 @@ int ocfs2_set_inode_size(handle_t *handle, i_size_write(inode, new_i_size); inode->i_blocks = ocfs2_inode_sector_count(inode); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); status = ocfs2_mark_inode_dirty(handle, inode, fe_bh); if (status < 0) { @@ -415,12 +417,12 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb, } i_size_write(inode, new_i_size); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); di = (struct ocfs2_dinode *) fe_bh->b_data; di->i_size = cpu_to_le64(new_i_size); - di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + di->i_ctime = di->i_mtime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 0); ocfs2_journal_dirty(handle, fe_bh); @@ -824,7 +826,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from, i_size_write(inode, abs_to); inode->i_blocks = ocfs2_inode_sector_count(inode); di->i_size = cpu_to_le64((u64)i_size_read(inode)); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec); di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); di->i_mtime_nsec = di->i_ctime_nsec; @@ -1317,7 +1319,7 @@ int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path, goto bail; } - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); /* * If there is inline data in the inode, the inode will normally not * have data blocks allocated (it may have an external xattr block). @@ -2043,7 +2045,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, goto out_inode_unlock; } - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); ret = ocfs2_mark_inode_dirty(handle, inode, di_bh); if (ret < 0) mlog_errno(ret); diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index bb116c39b581..e8771600b930 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -306,8 +306,8 @@ void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec); inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime); inode->i_mtime.tv_nsec = le32_to_cpu(fe->i_mtime_nsec); - inode->i_ctime.tv_sec = le64_to_cpu(fe->i_ctime); - inode->i_ctime.tv_nsec = le32_to_cpu(fe->i_ctime_nsec); + inode_set_ctime(inode, le64_to_cpu(fe->i_ctime), + le32_to_cpu(fe->i_ctime_nsec)); if (OCFS2_I(inode)->ip_blkno != le64_to_cpu(fe->i_blkno)) mlog(ML_ERROR, @@ -1314,8 +1314,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle, fe->i_mode = cpu_to_le16(inode->i_mode); fe->i_atime = cpu_to_le64(inode->i_atime.tv_sec); fe->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); - fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + fe->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + fe->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); fe->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); fe->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); @@ -1352,8 +1352,8 @@ void ocfs2_refresh_inode(struct inode *inode, inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec); inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime); inode->i_mtime.tv_nsec = le32_to_cpu(fe->i_mtime_nsec); - inode->i_ctime.tv_sec = le64_to_cpu(fe->i_ctime); - inode->i_ctime.tv_nsec = le32_to_cpu(fe->i_ctime_nsec); + inode_set_ctime(inode, le64_to_cpu(fe->i_ctime), + le32_to_cpu(fe->i_ctime_nsec)); spin_unlock(&OCFS2_I(inode)->ip_lock); } diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 25d8072ccfce..c19c730c26e2 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -557,7 +557,7 @@ static void ocfs2_abort_trigger(struct jbd2_buffer_trigger_type *triggers, (unsigned long)bh, (unsigned long long)bh->b_blocknr); - ocfs2_error(bh->b_bdev->bd_super, + ocfs2_error(bh->b_assoc_map->host->i_sb, "JBD2 has aborted our journal, ocfs2 cannot continue\n"); } @@ -780,14 +780,14 @@ void ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh) mlog_errno(status); if (!is_handle_aborted(handle)) { journal_t *journal = handle->h_transaction->t_journal; - struct super_block *sb = bh->b_bdev->bd_super; mlog(ML_ERROR, "jbd2_journal_dirty_metadata failed. " "Aborting transaction and journal.\n"); handle->h_err = status; jbd2_journal_abort_handle(handle); jbd2_journal_abort(journal, status); - ocfs2_abort(sb, "Journal already aborted.\n"); + ocfs2_abort(bh->b_assoc_map->host->i_sb, + "Journal already aborted.\n"); } } } diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index b1e32ec4a9d4..05d67968a3a9 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -950,9 +950,9 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context) } di = (struct ocfs2_dinode *)di_bh->b_data; - inode->i_ctime = current_time(inode); - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + inode_set_ctime_current(inode); + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 0); ocfs2_journal_dirty(handle, di_bh); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 17c52225b87d..e4a684d45308 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -793,10 +793,10 @@ static int ocfs2_link(struct dentry *old_dentry, } inc_nlink(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); ocfs2_set_links_count(fe, inode->i_nlink); - fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + fe->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + fe->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_journal_dirty(handle, fe_bh); err = ocfs2_add_entry(handle, dentry, inode, @@ -995,7 +995,7 @@ static int ocfs2_unlink(struct inode *dir, ocfs2_set_links_count(fe, inode->i_nlink); ocfs2_journal_dirty(handle, fe_bh); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); if (S_ISDIR(inode->i_mode)) drop_nlink(dir); @@ -1537,7 +1537,7 @@ static int ocfs2_rename(struct mnt_idmap *idmap, new_dir_bh, &target_insert); } - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); mark_inode_dirty(old_inode); status = ocfs2_journal_access_di(handle, INODE_CACHE(old_inode), @@ -1546,8 +1546,8 @@ static int ocfs2_rename(struct mnt_idmap *idmap, if (status >= 0) { old_di = (struct ocfs2_dinode *) old_inode_bh->b_data; - old_di->i_ctime = cpu_to_le64(old_inode->i_ctime.tv_sec); - old_di->i_ctime_nsec = cpu_to_le32(old_inode->i_ctime.tv_nsec); + old_di->i_ctime = cpu_to_le64(inode_get_ctime(old_inode).tv_sec); + old_di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(old_inode).tv_nsec); ocfs2_journal_dirty(handle, old_inode_bh); } else mlog_errno(status); @@ -1586,9 +1586,9 @@ static int ocfs2_rename(struct mnt_idmap *idmap, if (new_inode) { drop_nlink(new_inode); - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); } - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); + old_dir->i_mtime = inode_set_ctime_current(old_dir); if (update_dot_dot) { status = ocfs2_update_entry(old_inode, handle, @@ -1610,7 +1610,8 @@ static int ocfs2_rename(struct mnt_idmap *idmap, if (old_dir != new_dir) { /* Keep the same times on both directories.*/ - new_dir->i_ctime = new_dir->i_mtime = old_dir->i_ctime; + new_dir->i_mtime = inode_set_ctime_to_ts(new_dir, + inode_get_ctime(old_dir)); /* * This will also pick up the i_nlink change from the diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 564ab48d03ef..25c8ec3c8c3a 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -3750,9 +3750,9 @@ static int ocfs2_change_ctime(struct inode *inode, goto out_commit; } - inode->i_ctime = current_time(inode); - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + inode_set_ctime_current(inode); + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_journal_dirty(handle, di_bh); @@ -4073,10 +4073,10 @@ static int ocfs2_complete_reflink(struct inode *s_inode, * we want mtime to appear identical to the source and * update ctime. */ - t_inode->i_ctime = current_time(t_inode); + inode_set_ctime_current(t_inode); - di->i_ctime = cpu_to_le64(t_inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(t_inode->i_ctime.tv_nsec); + di->i_ctime = cpu_to_le64(inode_get_ctime(t_inode).tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(t_inode).tv_nsec); t_inode->i_mtime = s_inode->i_mtime; di->i_mtime = s_di->i_mtime; @@ -4456,7 +4456,7 @@ int ocfs2_reflink_update_dest(struct inode *dest, if (newlen > i_size_read(dest)) i_size_write(dest, newlen); spin_unlock(&OCFS2_I(dest)->ip_lock); - dest->i_ctime = dest->i_mtime = current_time(dest); + dest->i_mtime = inode_set_ctime_current(dest); ret = ocfs2_mark_inode_dirty(handle, dest, d_bh); if (ret) { diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4ac77ff6e676..6510ad783c91 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3421,9 +3421,9 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, goto out; } - inode->i_ctime = current_time(inode); - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + inode_set_ctime_current(inode); + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ocfs2_journal_dirty(ctxt->handle, xis->inode_bh); } out: diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c index 82cf7e9a665f..6bda275826d6 100644 --- a/fs/omfs/dir.c +++ b/fs/omfs/dir.c @@ -143,7 +143,7 @@ static int omfs_add_link(struct dentry *dentry, struct inode *inode) mark_buffer_dirty(bh); brelse(bh); - dir->i_ctime = current_time(dir); + inode_set_ctime_current(dir); /* mark affected inodes dirty to rebuild checksums */ mark_inode_dirty(dir); @@ -399,7 +399,7 @@ static int omfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, if (err) goto out; - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); mark_inode_dirty(old_inode); out: return err; diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index c4c79e07efc7..2f8c1882f45c 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -51,7 +51,7 @@ struct inode *omfs_new_inode(struct inode *dir, umode_t mode) inode_init_owner(&nop_mnt_idmap, inode, NULL, mode); inode->i_mapping->a_ops = &omfs_aops; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); switch (mode & S_IFMT) { case S_IFDIR: inode->i_op = &omfs_dir_inops; @@ -134,8 +134,8 @@ static int __omfs_write_inode(struct inode *inode, int wait) oi->i_head.h_magic = OMFS_IMAGIC; oi->i_size = cpu_to_be64(inode->i_size); - ctime = inode->i_ctime.tv_sec * 1000LL + - ((inode->i_ctime.tv_nsec + 999)/1000); + ctime = inode_get_ctime(inode).tv_sec * 1000LL + + ((inode_get_ctime(inode).tv_nsec + 999)/1000); oi->i_ctime = cpu_to_be64(ctime); omfs_update_checksums(oi); @@ -232,10 +232,9 @@ struct inode *omfs_iget(struct super_block *sb, ino_t ino) inode->i_atime.tv_sec = ctime; inode->i_mtime.tv_sec = ctime; - inode->i_ctime.tv_sec = ctime; + inode_set_ctime(inode, ctime, nsecs); inode->i_atime.tv_nsec = nsecs; inode->i_mtime.tv_nsec = nsecs; - inode->i_ctime.tv_nsec = nsecs; inode->i_mapping->a_ops = &omfs_aops; diff --git a/fs/open.c b/fs/open.c index e6ead0f19964..98f6601fbac6 100644 --- a/fs/open.c +++ b/fs/open.c @@ -671,11 +671,20 @@ SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode) return err; } -static int do_fchmodat(int dfd, const char __user *filename, umode_t mode) +static int do_fchmodat(int dfd, const char __user *filename, umode_t mode, + unsigned int flags) { struct path path; int error; - unsigned int lookup_flags = LOOKUP_FOLLOW; + unsigned int lookup_flags; + + if (unlikely(flags & ~(AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH))) + return -EINVAL; + + lookup_flags = (flags & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW; + if (flags & AT_EMPTY_PATH) + lookup_flags |= LOOKUP_EMPTY; + retry: error = user_path_at(dfd, filename, lookup_flags, &path); if (!error) { @@ -689,15 +698,21 @@ retry: return error; } +SYSCALL_DEFINE4(fchmodat2, int, dfd, const char __user *, filename, + umode_t, mode, unsigned int, flags) +{ + return do_fchmodat(dfd, filename, mode, flags); +} + SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode) { - return do_fchmodat(dfd, filename, mode); + return do_fchmodat(dfd, filename, mode, 0); } SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode) { - return do_fchmodat(AT_FDCWD, filename, mode); + return do_fchmodat(AT_FDCWD, filename, mode, 0); } /* @@ -1150,7 +1165,7 @@ EXPORT_SYMBOL_GPL(kernel_file_open); * backing_file_open - open a backing file for kernel internal use * @path: path of the file to open * @flags: open flags - * @path: path of the backing file + * @real_path: path of the backing file * @cred: credentials for open * * Open a backing file for a stackable filesystem (e.g., overlayfs). @@ -1503,7 +1518,7 @@ SYSCALL_DEFINE2(creat, const char __user *, pathname, umode_t, mode) * "id" is the POSIX thread ID. We use the * files pointer for this.. */ -int filp_close(struct file *filp, fl_owner_t id) +static int filp_flush(struct file *filp, fl_owner_t id) { int retval = 0; @@ -1520,10 +1535,18 @@ int filp_close(struct file *filp, fl_owner_t id) dnotify_flush(filp, id); locks_remove_posix(filp, id); } - fput(filp); return retval; } +int filp_close(struct file *filp, fl_owner_t id) +{ + int retval; + + retval = filp_flush(filp, id); + fput(filp); + + return retval; +} EXPORT_SYMBOL(filp_close); /* @@ -1533,7 +1556,20 @@ EXPORT_SYMBOL(filp_close); */ SYSCALL_DEFINE1(close, unsigned int, fd) { - int retval = close_fd(fd); + int retval; + struct file *file; + + file = close_fd_get_file(fd); + if (!file) + return -EBADF; + + retval = filp_flush(file, current->files); + + /* + * We're returning to user space. Don't bother + * with any delayed fput() cases. + */ + __fput_sync(file); /* can't restart close syscall because file table entry was cleared */ if (unlikely(retval == -ERESTARTSYS || @@ -1546,7 +1582,7 @@ SYSCALL_DEFINE1(close, unsigned int, fd) } /** - * close_range() - Close all file descriptors in a given range. + * sys_close_range() - Close all file descriptors in a given range. * * @fd: starting file descriptor to close * @max_fd: last file descriptor to close diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index f0b7f4d51a17..b2457cb97fa0 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -237,7 +237,7 @@ found: if (IS_ERR(inode)) return ERR_CAST(inode); if (inode->i_state & I_NEW) { - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); ent_oi = OP_I(inode); ent_oi->type = ent_type; ent_oi->u = ent_data; @@ -387,8 +387,7 @@ static int openprom_fill_super(struct super_block *s, struct fs_context *fc) goto out_no_root; } - root_inode->i_mtime = root_inode->i_atime = - root_inode->i_ctime = current_time(root_inode); + root_inode->i_mtime = root_inode->i_atime = inode_set_ctime_current(root_inode); root_inode->i_op = &openprom_inode_operations; root_inode->i_fop = &openprom_operations; root_inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO; diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index 9014bbcc8031..085912268442 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -871,7 +871,7 @@ int orangefs_getattr(struct mnt_idmap *idmap, const struct path *path, ret = orangefs_inode_getattr(inode, request_mask & STATX_SIZE ? ORANGEFS_GETATTR_SIZE : 0); if (ret == 0) { - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); /* override block size reported to stat */ if (!(request_mask & STATX_SIZE)) @@ -900,12 +900,13 @@ int orangefs_permission(struct mnt_idmap *idmap, return generic_permission(&nop_mnt_idmap, inode, mask); } -int orangefs_update_time(struct inode *inode, struct timespec64 *time, int flags) +int orangefs_update_time(struct inode *inode, int flags) { struct iattr iattr; + gossip_debug(GOSSIP_INODE_DEBUG, "orangefs_update_time: %pU\n", get_khandle_from_ino(inode)); - generic_update_time(inode, time, flags); + flags = generic_update_time(inode, flags); memset(&iattr, 0, sizeof iattr); if (flags & S_ATIME) iattr.ia_valid |= ATTR_ATIME; diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c index 77518e248cf7..c9dfd5c6a097 100644 --- a/fs/orangefs/namei.c +++ b/fs/orangefs/namei.c @@ -421,7 +421,7 @@ static int orangefs_rename(struct mnt_idmap *idmap, ret); if (new_dentry->d_inode) - new_dentry->d_inode->i_ctime = current_time(new_dentry->d_inode); + inode_set_ctime_current(d_inode(new_dentry)); op_release(new_op); return ret; diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h index ce20d3443869..b711654ca18a 100644 --- a/fs/orangefs/orangefs-kernel.h +++ b/fs/orangefs/orangefs-kernel.h @@ -370,7 +370,7 @@ int orangefs_getattr(struct mnt_idmap *idmap, const struct path *path, int orangefs_permission(struct mnt_idmap *idmap, struct inode *inode, int mask); -int orangefs_update_time(struct inode *, struct timespec64 *, int); +int orangefs_update_time(struct inode *, int); /* * defined in xattr.c diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c index 46b7dcff18ac..0a9fcfdf552f 100644 --- a/fs/orangefs/orangefs-utils.c +++ b/fs/orangefs/orangefs-utils.c @@ -361,11 +361,11 @@ again2: downcall.resp.getattr.attributes.atime; inode->i_mtime.tv_sec = (time64_t)new_op-> downcall.resp.getattr.attributes.mtime; - inode->i_ctime.tv_sec = (time64_t)new_op-> - downcall.resp.getattr.attributes.ctime; + inode_set_ctime(inode, + (time64_t)new_op->downcall.resp.getattr.attributes.ctime, + 0); inode->i_atime.tv_nsec = 0; inode->i_mtime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; /* special case: mark the root inode as sticky */ inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) | diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index 21245b00722a..eaa1e6b3e04a 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -239,6 +239,7 @@ static loff_t ovl_llseek(struct file *file, loff_t offset, int whence) static void ovl_file_accessed(struct file *file) { struct inode *inode, *upperinode; + struct timespec64 ctime, uctime; if (file->f_flags & O_NOATIME) return; @@ -249,10 +250,12 @@ static void ovl_file_accessed(struct file *file) if (!upperinode) return; + ctime = inode_get_ctime(inode); + uctime = inode_get_ctime(upperinode); if ((!timespec64_equal(&inode->i_mtime, &upperinode->i_mtime) || - !timespec64_equal(&inode->i_ctime, &upperinode->i_ctime))) { + !timespec64_equal(&ctime, &uctime))) { inode->i_mtime = upperinode->i_mtime; - inode->i_ctime = upperinode->i_ctime; + inode_set_ctime_to_ts(inode, uctime); } touch_atime(&file->f_path); @@ -290,10 +293,7 @@ static void ovl_aio_cleanup_handler(struct ovl_aio_req *aio_req) if (iocb->ki_flags & IOCB_WRITE) { struct inode *inode = file_inode(orig_iocb->ki_filp); - /* Actually acquired in ovl_write_iter() */ - __sb_writers_acquired(file_inode(iocb->ki_filp)->i_sb, - SB_FREEZE_WRITE); - file_end_write(iocb->ki_filp); + kiocb_end_write(iocb); ovl_copyattr(inode); } @@ -409,10 +409,6 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) if (!aio_req) goto out; - file_start_write(real.file); - /* Pacify lockdep, same trick as done in aio_write() */ - __sb_writers_release(file_inode(real.file)->i_sb, - SB_FREEZE_WRITE); aio_req->fd = real; real.flags = 0; aio_req->orig_iocb = iocb; @@ -420,6 +416,7 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) aio_req->iocb.ki_flags = ifl; aio_req->iocb.ki_complete = ovl_aio_rw_complete; refcount_set(&aio_req->ref, 2); + kiocb_start_write(&aio_req->iocb); ret = vfs_iocb_iter_write(real.file, &aio_req->iocb, iter); ovl_aio_put(aio_req); if (ret != -EIOCBQUEUED) diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index a63e57447be9..f22e27b78025 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -693,7 +693,7 @@ int ovl_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, } #endif -int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags) +int ovl_update_time(struct inode *inode, int flags) { if (flags & S_ATIME) { struct ovl_fs *ofs = inode->i_sb->s_fs_info; diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 9402591f12aa..8bbe6173bef4 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -665,7 +665,7 @@ static inline struct posix_acl *ovl_get_acl_path(const struct path *path, } #endif -int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags); +int ovl_update_time(struct inode *inode, int flags); bool ovl_is_private_xattr(struct super_block *sb, const char *name); struct ovl_inode_params { diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 7ef9e13c404a..c210b5d496a8 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -1202,6 +1202,6 @@ void ovl_copyattr(struct inode *inode) inode->i_mode = realinode->i_mode; inode->i_atime = realinode->i_atime; inode->i_mtime = realinode->i_mtime; - inode->i_ctime = realinode->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(realinode)); i_size_write(inode, i_size_read(realinode)); } diff --git a/fs/pipe.c b/fs/pipe.c index 2d88f73f585a..6c1a9b1db907 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -489,7 +489,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) head = pipe->head; if (!pipe_full(head, pipe->tail, pipe->max_usage)) { unsigned int mask = pipe->ring_size - 1; - struct pipe_buffer *buf = &pipe->bufs[head & mask]; + struct pipe_buffer *buf; struct page *page = pipe->tmp_page; int copied; @@ -899,7 +899,7 @@ static struct inode * get_pipe_inode(void) inode->i_mode = S_IFIFO | S_IRUSR | S_IWUSR; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); return inode; @@ -1236,7 +1236,7 @@ const struct file_operations pipefifo_fops = { * Currently we rely on the pipe array holding a power-of-2 number * of pages. Returns 0 on error. */ -unsigned int round_pipe_size(unsigned long size) +unsigned int round_pipe_size(unsigned int size) { if (size > (1U << 31)) return 0; @@ -1319,7 +1319,7 @@ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots) * Allocate a new array of pipe buffers and copy the info over. Returns the * pipe size if successful, or return -ERROR on error. */ -static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg) +static long pipe_set_size(struct pipe_inode_info *pipe, unsigned int arg) { unsigned long user_bufs; unsigned int nr_slots, size; @@ -1387,7 +1387,7 @@ struct pipe_inode_info *get_pipe_info(struct file *file, bool for_splice) return pipe; } -long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) +long pipe_fcntl(struct file *file, unsigned int cmd, unsigned int arg) { struct pipe_inode_info *pipe; long ret; diff --git a/fs/posix_acl.c b/fs/posix_acl.c index 7fa1b738bbab..a05fe94970ce 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -1027,7 +1027,7 @@ int simple_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, return error; } - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (IS_I_VERSION(inode)) inode_inc_iversion(inode); set_cached_acl(inode, type, acl); diff --git a/fs/proc/base.c b/fs/proc/base.c index 9df3f4839662..7576effe8d52 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1902,7 +1902,7 @@ struct inode *proc_pid_make_inode(struct super_block *sb, ei = PROC_I(inode); inode->i_mode = mode; inode->i_ino = get_next_ino(); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_op = &proc_def_inode_operations; /* @@ -1966,7 +1966,7 @@ int pid_getattr(struct mnt_idmap *idmap, const struct path *path, struct proc_fs_info *fs_info = proc_sb_info(inode->i_sb); struct task_struct *task; - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->uid = GLOBAL_ROOT_UID; stat->gid = GLOBAL_ROOT_GID; @@ -3583,7 +3583,8 @@ static int proc_tid_comm_permission(struct mnt_idmap *idmap, } static const struct inode_operations proc_tid_comm_inode_operations = { - .permission = proc_tid_comm_permission, + .setattr = proc_setattr, + .permission = proc_tid_comm_permission, }; /* @@ -3899,7 +3900,7 @@ static int proc_task_getattr(struct mnt_idmap *idmap, { struct inode *inode = d_inode(path->dentry); struct task_struct *p = get_proc_task(inode); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); if (p) { stat->nlink += get_nr_threads(p); diff --git a/fs/proc/fd.c b/fs/proc/fd.c index b3140deebbbf..6276b3938842 100644 --- a/fs/proc/fd.c +++ b/fs/proc/fd.c @@ -352,7 +352,7 @@ static int proc_fd_getattr(struct mnt_idmap *idmap, struct inode *inode = d_inode(path->dentry); int rv = 0; - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); /* If it's a directory, put the number of open fds there */ if (S_ISDIR(inode->i_mode)) { diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 42ae38ff6e7e..775ce0bcf08c 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -146,7 +146,7 @@ static int proc_getattr(struct mnt_idmap *idmap, } } - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); return 0; } diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 67b09a1d9433..532dc9d240f7 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -660,7 +660,7 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de) inode->i_private = de->data; inode->i_ino = de->low_ino; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); PROC_I(inode)->pde = de; if (is_empty_pde(de)) { make_empty_dir_inode(inode); diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index 9cb32e1a78a0..23fc24d16b31 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -309,6 +309,8 @@ static void append_kcore_note(char *notes, size_t *i, const char *name, static ssize_t read_kcore_iter(struct kiocb *iocb, struct iov_iter *iter) { + struct file *file = iocb->ki_filp; + char *buf = file->private_data; loff_t *fpos = &iocb->ki_pos; size_t phdrs_offset, notes_offset, data_offset; size_t page_offline_frozen = 1; @@ -555,10 +557,21 @@ static ssize_t read_kcore_iter(struct kiocb *iocb, struct iov_iter *iter) case KCORE_VMEMMAP: case KCORE_TEXT: /* - * We use _copy_to_iter() to bypass usermode hardening - * which would otherwise prevent this operation. + * Sadly we must use a bounce buffer here to be able to + * make use of copy_from_kernel_nofault(), as these + * memory regions might not always be mapped on all + * architectures. */ - if (_copy_to_iter((char *)start, tsz, iter) != tsz) { + if (copy_from_kernel_nofault(buf, (void *)start, tsz)) { + if (iov_iter_zero(tsz, iter) != tsz) { + ret = -EFAULT; + goto out; + } + /* + * We know the bounce buffer is safe to copy from, so + * use _copy_to_iter() directly. + */ + } else if (_copy_to_iter(buf, tsz, iter) != tsz) { ret = -EFAULT; goto out; } @@ -595,6 +608,10 @@ static int open_kcore(struct inode *inode, struct file *filp) if (ret) return ret; + filp->private_data = kmalloc(PAGE_SIZE, GFP_KERNEL); + if (!filp->private_data) + return -ENOMEM; + if (kcore_need_update) kcore_update_ram(); if (i_size_read(inode) != proc_root_kcore->size) { @@ -605,9 +622,16 @@ static int open_kcore(struct inode *inode, struct file *filp) return 0; } +static int release_kcore(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + static const struct proc_ops kcore_proc_ops = { .proc_read_iter = read_kcore_iter, .proc_open = open_kcore, + .proc_release = release_kcore, .proc_lseek = default_llseek, }; diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index a0c0419872e3..2ba31b6d68c0 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -308,7 +308,7 @@ static int proc_tgid_net_getattr(struct mnt_idmap *idmap, net = get_proc_task_net(inode); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); if (net != NULL) { stat->nlink = net->proc_net->nlink; @@ -321,6 +321,7 @@ static int proc_tgid_net_getattr(struct mnt_idmap *idmap, const struct inode_operations proc_net_inode_operations = { .lookup = proc_tgid_net_lookup, .getattr = proc_tgid_net_getattr, + .setattr = proc_setattr, }; static int proc_tgid_net_readdir(struct file *file, struct dir_context *ctx) diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 5ea42653126e..bf06344a42cc 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -463,7 +463,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb, head->count++; spin_unlock(&sysctl_lock); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_mode = table->mode; if (!S_ISDIR(table->mode)) { inode->i_mode |= S_IFREG; @@ -849,7 +849,7 @@ static int proc_sys_getattr(struct mnt_idmap *idmap, if (IS_ERR(head)) return PTR_ERR(head); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); if (table) stat->mode = (stat->mode & S_IFMT) | table->mode; diff --git a/fs/proc/root.c b/fs/proc/root.c index a86e65a608da..9191248f2dac 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -314,7 +314,8 @@ static int proc_root_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, unsigned int query_flags) { - generic_fillattr(&nop_mnt_idmap, d_inode(path->dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(path->dentry), + stat); stat->nlink = proc_root.nlink + nr_processes(); return 0; } diff --git a/fs/proc/self.c b/fs/proc/self.c index 72cd69bcaf4a..ecc4da8d265e 100644 --- a/fs/proc/self.c +++ b/fs/proc/self.c @@ -46,7 +46,7 @@ int proc_setup_self(struct super_block *s) struct inode *inode = new_inode(s); if (inode) { inode->i_ino = self_inum; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_mode = S_IFLNK | S_IRWXUGO; inode->i_uid = GLOBAL_ROOT_UID; inode->i_gid = GLOBAL_ROOT_GID; diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 507cd4e59d07..fafff1bd34cd 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -587,8 +587,7 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, bool migration = false; if (pmd_present(*pmd)) { - /* FOLL_DUMP will return -EFAULT on huge zero page */ - page = follow_trans_huge_pmd(vma, addr, pmd, FOLL_DUMP); + page = vm_normal_page_pmd(vma, addr, *pmd); } else if (unlikely(thp_migration_supported() && is_swap_pmd(*pmd))) { swp_entry_t entry = pmd_to_swp_entry(*pmd); @@ -758,12 +757,14 @@ static int smaps_hugetlb_range(pte_t *pte, unsigned long hmask, static const struct mm_walk_ops smaps_walk_ops = { .pmd_entry = smaps_pte_range, .hugetlb_entry = smaps_hugetlb_range, + .walk_lock = PGWALK_RDLOCK, }; static const struct mm_walk_ops smaps_shmem_walk_ops = { .pmd_entry = smaps_pte_range, .hugetlb_entry = smaps_hugetlb_range, .pte_hole = smaps_pte_hole, + .walk_lock = PGWALK_RDLOCK, }; /* @@ -1245,6 +1246,7 @@ static int clear_refs_test_walk(unsigned long start, unsigned long end, static const struct mm_walk_ops clear_refs_walk_ops = { .pmd_entry = clear_refs_pte_range, .test_walk = clear_refs_test_walk, + .walk_lock = PGWALK_WRLOCK, }; static ssize_t clear_refs_write(struct file *file, const char __user *buf, @@ -1622,6 +1624,7 @@ static const struct mm_walk_ops pagemap_ops = { .pmd_entry = pagemap_pmd_range, .pte_hole = pagemap_pte_hole, .hugetlb_entry = pagemap_hugetlb_range, + .walk_lock = PGWALK_RDLOCK, }; /* @@ -1935,6 +1938,7 @@ static int gather_hugetlb_stats(pte_t *pte, unsigned long hmask, static const struct mm_walk_ops show_numa_ops = { .hugetlb_entry = gather_hugetlb_stats, .pmd_entry = gather_pte_stats, + .walk_lock = PGWALK_RDLOCK, }; /* diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c index a553273fbd41..63ac1f93289f 100644 --- a/fs/proc/thread_self.c +++ b/fs/proc/thread_self.c @@ -46,7 +46,7 @@ int proc_setup_thread_self(struct super_block *s) struct inode *inode = new_inode(s); if (inode) { inode->i_ino = thread_self_inum; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_mode = S_IFLNK | S_IRWXUGO; inode->i_uid = GLOBAL_ROOT_UID; inode->i_gid = GLOBAL_ROOT_GID; diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index ffbadb8b3032..a756af980d0c 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -223,7 +223,7 @@ static struct inode *pstore_get_inode(struct super_block *sb) struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } return inode; } @@ -390,7 +390,7 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record) inode->i_private = private; if (record->time.tv_sec) - inode->i_mtime = inode->i_ctime = record->time; + inode->i_mtime = inode_set_ctime_to_ts(inode, record->time); d_add(dentry, inode); diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 391ea402920d..a7171f5532a1 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -305,8 +305,7 @@ struct inode *qnx4_iget(struct super_block *sb, unsigned long ino) inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_sec = le32_to_cpu(raw_inode->di_atime); inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->di_ctime); - inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, le32_to_cpu(raw_inode->di_ctime), 0); inode->i_blocks = le32_to_cpu(raw_inode->di_first_xtnt.xtnt_size); memcpy(qnx4_inode, raw_inode, QNX4_DIR_ENTRY_SIZE); diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c index 85b2fa3b211c..21f90d519f1a 100644 --- a/fs/qnx6/inode.c +++ b/fs/qnx6/inode.c @@ -562,8 +562,7 @@ struct inode *qnx6_iget(struct super_block *sb, unsigned ino) inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_sec = fs32_to_cpu(sbi, raw_inode->di_atime); inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_sec = fs32_to_cpu(sbi, raw_inode->di_ctime); - inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, fs32_to_cpu(sbi, raw_inode->di_ctime), 0); /* calc blocks based on 512 byte blocksize */ inode->i_blocks = (inode->i_size + 511) >> 9; diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index e3e4f4047657..4d826c369da2 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2367,7 +2367,7 @@ int dquot_load_quota_sb(struct super_block *sb, int type, int format_id, if (!fmt) return -ESRCH; - if (!sb->s_op->quota_write || !sb->s_op->quota_read || + if (!sb->dq_op || !sb->s_qcop || (type == PRJQUOTA && sb->dq_op->get_projid == NULL)) { error = -EINVAL; goto out_fmt; diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index fef477c78107..18e8387cab41 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -65,7 +65,7 @@ struct inode *ramfs_get_inode(struct super_block *sb, inode->i_mapping->a_ops = &ram_aops; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); mapping_set_unevictable(inode->i_mapping); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); switch (mode & S_IFMT) { default: init_special_inode(inode, mode, dev); @@ -105,7 +105,7 @@ ramfs_mknod(struct mnt_idmap *idmap, struct inode *dir, d_instantiate(dentry, inode); dget(dentry); /* Extra count - pin the dentry in core */ error = 0; - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); } return error; } @@ -138,7 +138,7 @@ static int ramfs_symlink(struct mnt_idmap *idmap, struct inode *dir, if (!error) { d_instantiate(dentry, inode); dget(dentry); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); } else iput(inode); } diff --git a/fs/read_write.c b/fs/read_write.c index b07de77ef126..4771701c896b 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -71,7 +71,7 @@ EXPORT_SYMBOL(vfs_setpos); * @file: file structure to seek on * @offset: file offset to seek to * @whence: type of seek - * @size: max size of this file in file system + * @maxsize: max size of this file in file system * @eof: offset used for SEEK_END position * * This is a variant of generic_file_llseek that allows passing in a custom diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 77bd3b27059f..86e55d4bb10d 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1259,9 +1259,8 @@ static void init_inode(struct inode *inode, struct treepath *path) inode->i_size = sd_v1_size(sd); inode->i_atime.tv_sec = sd_v1_atime(sd); inode->i_mtime.tv_sec = sd_v1_mtime(sd); - inode->i_ctime.tv_sec = sd_v1_ctime(sd); + inode_set_ctime(inode, sd_v1_ctime(sd), 0); inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; inode->i_mtime.tv_nsec = 0; inode->i_blocks = sd_v1_blocks(sd); @@ -1314,8 +1313,7 @@ static void init_inode(struct inode *inode, struct treepath *path) i_gid_write(inode, sd_v2_gid(sd)); inode->i_mtime.tv_sec = sd_v2_mtime(sd); inode->i_atime.tv_sec = sd_v2_atime(sd); - inode->i_ctime.tv_sec = sd_v2_ctime(sd); - inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, sd_v2_ctime(sd), 0); inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_nsec = 0; inode->i_blocks = sd_v2_blocks(sd); @@ -1374,7 +1372,7 @@ static void inode2sd(void *sd, struct inode *inode, loff_t size) set_sd_v2_gid(sd_v2, i_gid_read(inode)); set_sd_v2_mtime(sd_v2, inode->i_mtime.tv_sec); set_sd_v2_atime(sd_v2, inode->i_atime.tv_sec); - set_sd_v2_ctime(sd_v2, inode->i_ctime.tv_sec); + set_sd_v2_ctime(sd_v2, inode_get_ctime(inode).tv_sec); set_sd_v2_blocks(sd_v2, to_fake_used_blocks(inode, SD_V2_SIZE)); if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) set_sd_v2_rdev(sd_v2, new_encode_dev(inode->i_rdev)); @@ -1394,7 +1392,7 @@ static void inode2sd_v1(void *sd, struct inode *inode, loff_t size) set_sd_v1_nlink(sd_v1, inode->i_nlink); set_sd_v1_size(sd_v1, size); set_sd_v1_atime(sd_v1, inode->i_atime.tv_sec); - set_sd_v1_ctime(sd_v1, inode->i_ctime.tv_sec); + set_sd_v1_ctime(sd_v1, inode_get_ctime(inode).tv_sec); set_sd_v1_mtime(sd_v1, inode->i_mtime.tv_sec); if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) @@ -1986,7 +1984,7 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, /* uid and gid must already be set by the caller for quota init */ - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_size = i_size; inode->i_blocks = 0; inode->i_bytes = 0; diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index 6bf9b54e58ca..dd33f8cc6eda 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -55,7 +55,7 @@ int reiserfs_fileattr_set(struct mnt_idmap *idmap, } sd_attrs_to_i_attrs(flags, inode); REISERFS_I(inode)->i_attrs = flags; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); err = 0; unlock: @@ -107,7 +107,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) err = -EFAULT; goto setversion_out; } - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); setversion_out: mnt_drop_write_file(filp); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 479aa4a57602..015bfe4e4524 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -2326,7 +2326,7 @@ static struct buffer_head *reiserfs_breada(struct block_device *dev, int i, j; bh = __getblk(dev, block, bufsize); - if (buffer_uptodate(bh)) + if (!bh || buffer_uptodate(bh)) return (bh); if (block + BUFNR > max_block) { @@ -2336,6 +2336,8 @@ static struct buffer_head *reiserfs_breada(struct block_device *dev, j = 1; for (i = 1; i < blocks; i++) { bh = __getblk(dev, block + i, bufsize); + if (!bh) + break; if (buffer_uptodate(bh)) { brelse(bh); break; diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index 52240cc891cf..9c5704be2435 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -572,7 +572,7 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th, } dir->i_size += paste_size; - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); if (!S_ISDIR(inode->i_mode) && visible) /* reiserfs_mkdir or reiserfs_rename will do that by itself */ reiserfs_update_sd(th, dir); @@ -966,7 +966,8 @@ static int reiserfs_rmdir(struct inode *dir, struct dentry *dentry) inode->i_nlink); clear_nlink(inode); - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_to_ts(dir, + inode_set_ctime_current(inode)); reiserfs_update_sd(&th, inode); DEC_DIR_INODE_NLINK(dir) @@ -1070,11 +1071,11 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry) inc_nlink(inode); goto end_unlink; } - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); reiserfs_update_sd(&th, inode); dir->i_size -= (de.de_entrylen + DEH_SIZE); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); reiserfs_update_sd(&th, dir); if (!savelink) @@ -1250,7 +1251,7 @@ static int reiserfs_link(struct dentry *old_dentry, struct inode *dir, return err ? err : retval; } - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); reiserfs_update_sd(&th, inode); ihold(inode); @@ -1325,7 +1326,6 @@ static int reiserfs_rename(struct mnt_idmap *idmap, int jbegin_count; umode_t old_inode_mode; unsigned long savelink = 1; - struct timespec64 ctime; if (flags & ~RENAME_NOREPLACE) return -EINVAL; @@ -1576,14 +1576,11 @@ static int reiserfs_rename(struct mnt_idmap *idmap, mark_de_hidden(old_de.de_deh + old_de.de_entry_num); journal_mark_dirty(&th, old_de.de_bh); - ctime = current_time(old_dir); - old_dir->i_ctime = old_dir->i_mtime = ctime; - new_dir->i_ctime = new_dir->i_mtime = ctime; /* * thanks to Alex Adriaanse <alex_a@caltech.edu> for patch * which adds ctime update of renamed object */ - old_inode->i_ctime = ctime; + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); if (new_dentry_inode) { /* adjust link number of the victim */ @@ -1592,7 +1589,6 @@ static int reiserfs_rename(struct mnt_idmap *idmap, } else { drop_nlink(new_dentry_inode); } - new_dentry_inode->i_ctime = ctime; savelink = new_dentry_inode->i_nlink; } diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index ce5003986789..3676e02a0232 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -2004,7 +2004,7 @@ int reiserfs_do_truncate(struct reiserfs_transaction_handle *th, if (update_timestamps) { inode->i_mtime = current_time(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); } reiserfs_update_sd(th, inode); @@ -2029,7 +2029,7 @@ update_and_out: if (update_timestamps) { /* this is truncate, not file closing */ inode->i_mtime = current_time(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); } reiserfs_update_sd(th, inode); diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 929acce6e731..7eaf36b3de12 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -2587,7 +2587,7 @@ out: return err; if (inode->i_size < off + len - towrite) i_size_write(inode, off + len - towrite); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); return len - towrite; } diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 651027967159..6000964c2b80 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -466,12 +466,13 @@ int reiserfs_commit_write(struct file *f, struct page *page, static void update_ctime(struct inode *inode) { struct timespec64 now = current_time(inode); + struct timespec64 ctime = inode_get_ctime(inode); if (inode_unhashed(inode) || !inode->i_nlink || - timespec64_equal(&inode->i_ctime, &now)) + timespec64_equal(&ctime, &now)) return; - inode->i_ctime = current_time(inode); + inode_set_ctime_to_ts(inode, now); mark_inode_dirty(inode); } diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index 138060452678..064264992b49 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -285,7 +285,7 @@ __reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode, if (error == -ENODATA) { error = 0; if (type == ACL_TYPE_ACCESS) { - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); } } diff --git a/fs/romfs/super.c b/fs/romfs/super.c index c59b230d55b4..5c35f6c76037 100644 --- a/fs/romfs/super.c +++ b/fs/romfs/super.c @@ -322,8 +322,7 @@ static struct inode *romfs_iget(struct super_block *sb, unsigned long pos) set_nlink(i, 1); /* Hard to decide.. */ i->i_size = be32_to_cpu(ri.size); - i->i_mtime.tv_sec = i->i_atime.tv_sec = i->i_ctime.tv_sec = 0; - i->i_mtime.tv_nsec = i->i_atime.tv_nsec = i->i_ctime.tv_nsec = 0; + i->i_mtime = i->i_atime = inode_set_ctime(i, 0, 0); /* set up mode and ops */ mode = romfs_modemap[nextfh & ROMFH_TYPE]; @@ -583,16 +582,18 @@ static int romfs_init_fs_context(struct fs_context *fc) */ static void romfs_kill_sb(struct super_block *sb) { + generic_shutdown_super(sb); + #ifdef CONFIG_ROMFS_ON_MTD if (sb->s_mtd) { - kill_mtd_super(sb); - return; + put_mtd_device(sb->s_mtd); + sb->s_mtd = NULL; } #endif #ifdef CONFIG_ROMFS_ON_BLOCK if (sb->s_bdev) { - kill_block_super(sb); - return; + sync_blockdev(sb->s_bdev); + blkdev_put(sb->s_bdev, sb); } #endif } diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c index fb4162a52844..aec6e9137474 100644 --- a/fs/smb/client/cifs_debug.c +++ b/fs/smb/client/cifs_debug.c @@ -153,6 +153,11 @@ cifs_dump_channel(struct seq_file *m, int i, struct cifs_chan *chan) in_flight(server), atomic_read(&server->in_send), atomic_read(&server->num_waiters)); +#ifdef CONFIG_NET_NS + if (server->net) + seq_printf(m, " Net namespace: %u ", server->net->ns.inum); +#endif /* NET_NS */ + } static inline const char *smb_speed_to_str(size_t bps) @@ -430,10 +435,15 @@ skip_rdma: server->reconnect_instance, server->srv_count, server->sec_mode, in_flight(server)); +#ifdef CONFIG_NET_NS + if (server->net) + seq_printf(m, " Net namespace: %u ", server->net->ns.inum); +#endif /* NET_NS */ seq_printf(m, "\nIn Send: %d In MaxReq Wait: %d", atomic_read(&server->in_send), atomic_read(&server->num_waiters)); + if (server->leaf_fullpath) { seq_printf(m, "\nDFS leaf full path: %s", server->leaf_fullpath); diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index a4d8b0ea1c8c..6fc8f43b1c9d 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -1077,7 +1077,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int whence) } static int -cifs_setlease(struct file *file, long arg, struct file_lock **lease, void **priv) +cifs_setlease(struct file *file, int arg, struct file_lock **lease, void **priv) { /* * Note that this is called by vfs setlease with i_lock held to diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index fc5acc95cd13..2108b3b40ce9 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -1085,7 +1085,7 @@ int cifs_close(struct inode *inode, struct file *file) !test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags) && dclose) { if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) { - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); } spin_lock(&cinode->deferred_lock); cifs_add_deferred_close(cfile, dclose); @@ -2596,7 +2596,7 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to) write_data, to - from, &offset); cifsFileInfo_put(open_file); /* Does mm or vfs already set times? */ - inode->i_atime = inode->i_mtime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); if ((bytes_written > 0) && (offset)) rc = 0; else if (bytes_written < 0) @@ -4681,9 +4681,9 @@ static int cifs_readpage_worker(struct file *file, struct page *page, io_error: kunmap(page); - unlock_page(page); read_complete: + unlock_page(page); return rc; } @@ -4878,9 +4878,11 @@ void cifs_oplock_break(struct work_struct *work) struct cifsFileInfo *cfile = container_of(work, struct cifsFileInfo, oplock_break); struct inode *inode = d_inode(cfile->dentry); + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct cifsInodeInfo *cinode = CIFS_I(inode); - struct cifs_tcon *tcon = tlink_tcon(cfile->tlink); - struct TCP_Server_Info *server = tcon->ses->server; + struct cifs_tcon *tcon; + struct TCP_Server_Info *server; + struct tcon_link *tlink; int rc = 0; bool purge_cache = false, oplock_break_cancelled; __u64 persistent_fid, volatile_fid; @@ -4889,6 +4891,12 @@ void cifs_oplock_break(struct work_struct *work) wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS, TASK_UNINTERRUPTIBLE); + tlink = cifs_sb_tlink(cifs_sb); + if (IS_ERR(tlink)) + goto out; + tcon = tlink_tcon(tlink); + server = tcon->ses->server; + server->ops->downgrade_oplock(server, cinode, cfile->oplock_level, cfile->oplock_epoch, &purge_cache); @@ -4938,18 +4946,19 @@ oplock_break_ack: /* * MS-SMB2 3.2.5.19.1 and 3.2.5.19.2 (and MS-CIFS 3.2.5.42) do not require * an acknowledgment to be sent when the file has already been closed. - * check for server null, since can race with kill_sb calling tree disconnect. */ spin_lock(&cinode->open_file_lock); - if (tcon->ses && tcon->ses->server && !oplock_break_cancelled && - !list_empty(&cinode->openFileList)) { + /* check list empty since can race with kill_sb calling tree disconnect */ + if (!oplock_break_cancelled && !list_empty(&cinode->openFileList)) { spin_unlock(&cinode->open_file_lock); - rc = tcon->ses->server->ops->oplock_response(tcon, persistent_fid, - volatile_fid, net_fid, cinode); + rc = server->ops->oplock_response(tcon, persistent_fid, + volatile_fid, net_fid, cinode); cifs_dbg(FYI, "Oplock release rc = %d\n", rc); } else spin_unlock(&cinode->open_file_lock); + cifs_put_tlink(tlink); +out: cifs_done_oplock_break(cinode); } diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c index 4946a0c59600..67e16c2ac90e 100644 --- a/fs/smb/client/fs_context.c +++ b/fs/smb/client/fs_context.c @@ -231,6 +231,8 @@ cifs_parse_security_flavors(struct fs_context *fc, char *value, struct smb3_fs_c break; case Opt_sec_none: ctx->nullauth = 1; + kfree(ctx->username); + ctx->username = NULL; break; default: cifs_errorf(fc, "bad security option: %s\n", value); @@ -1201,6 +1203,8 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, case Opt_user: kfree(ctx->username); ctx->username = NULL; + if (ctx->nullauth) + break; if (strlen(param->string) == 0) { /* null user, ie. anonymous authentication */ ctx->nullauth = 1; diff --git a/fs/smb/client/fscache.h b/fs/smb/client/fscache.h index 173999610997..84f3b09367d2 100644 --- a/fs/smb/client/fscache.h +++ b/fs/smb/client/fscache.h @@ -50,12 +50,13 @@ void cifs_fscache_fill_coherency(struct inode *inode, struct cifs_fscache_inode_coherency_data *cd) { struct cifsInodeInfo *cifsi = CIFS_I(inode); + struct timespec64 ctime = inode_get_ctime(inode); memset(cd, 0, sizeof(*cd)); cd->last_write_time_sec = cpu_to_le64(cifsi->netfs.inode.i_mtime.tv_sec); cd->last_write_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_mtime.tv_nsec); - cd->last_change_time_sec = cpu_to_le64(cifsi->netfs.inode.i_ctime.tv_sec); - cd->last_change_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_ctime.tv_nsec); + cd->last_change_time_sec = cpu_to_le64(ctime.tv_sec); + cd->last_change_time_nsec = cpu_to_le32(ctime.tv_nsec); } diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c index c3eeae07e139..93fe43789d7a 100644 --- a/fs/smb/client/inode.c +++ b/fs/smb/client/inode.c @@ -172,7 +172,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) else inode->i_atime = fattr->cf_atime; inode->i_mtime = fattr->cf_mtime; - inode->i_ctime = fattr->cf_ctime; + inode_set_ctime_to_ts(inode, fattr->cf_ctime); inode->i_rdev = fattr->cf_rdev; cifs_nlink_fattr_to_inode(inode, fattr); inode->i_uid = fattr->cf_uid; @@ -1744,9 +1744,9 @@ out_reval: cifs_inode = CIFS_I(inode); cifs_inode->time = 0; /* will force revalidate to get info when needed */ - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); } - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); cifs_inode = CIFS_I(dir); CIFS_I(dir)->time = 0; /* force revalidate of dir as well */ unlink_out: @@ -2060,8 +2060,8 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry) */ cifsInode->time = 0; - d_inode(direntry)->i_ctime = inode->i_ctime = inode->i_mtime = - current_time(inode); + inode_set_ctime_current(d_inode(direntry)); + inode->i_mtime = inode_set_ctime_current(inode); rmdir_exit: free_dentry_path(page); @@ -2267,8 +2267,8 @@ unlink_target: /* force revalidate to go get info when needed */ CIFS_I(source_dir)->time = CIFS_I(target_dir)->time = 0; - source_dir->i_ctime = source_dir->i_mtime = target_dir->i_ctime = - target_dir->i_mtime = current_time(source_dir); + source_dir->i_mtime = target_dir->i_mtime = inode_set_ctime_to_ts(source_dir, + inode_set_ctime_current(target_dir)); cifs_rename_exit: kfree(info_buf_source); @@ -2540,7 +2540,7 @@ int cifs_getattr(struct mnt_idmap *idmap, const struct path *path, return rc; } - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->blksize = cifs_sb->ctx->bsize; stat->ino = CIFS_I(inode)->uniqueid; diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index 0f62bc373ad0..182e2e879ecf 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -1396,7 +1396,8 @@ smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon, if (file_inf.LastWriteTime) inode->i_mtime = cifs_NTtimeToUnix(file_inf.LastWriteTime); if (file_inf.ChangeTime) - inode->i_ctime = cifs_NTtimeToUnix(file_inf.ChangeTime); + inode_set_ctime_to_ts(inode, + cifs_NTtimeToUnix(file_inf.ChangeTime)); if (file_inf.LastAccessTime) inode->i_atime = cifs_NTtimeToUnix(file_inf.LastAccessTime); diff --git a/fs/smb/server/smb2misc.c b/fs/smb/server/smb2misc.c index 33b7e6c4ceff..e881df1d10cb 100644 --- a/fs/smb/server/smb2misc.c +++ b/fs/smb/server/smb2misc.c @@ -380,13 +380,13 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work) } if (smb2_req_struct_sizes[command] != pdu->StructureSize2) { - if (command == SMB2_OPLOCK_BREAK_HE && - le16_to_cpu(pdu->StructureSize2) != OP_BREAK_STRUCT_SIZE_20 && - le16_to_cpu(pdu->StructureSize2) != OP_BREAK_STRUCT_SIZE_21) { + if (!(command == SMB2_OPLOCK_BREAK_HE && + (le16_to_cpu(pdu->StructureSize2) == OP_BREAK_STRUCT_SIZE_20 || + le16_to_cpu(pdu->StructureSize2) == OP_BREAK_STRUCT_SIZE_21))) { /* special case for SMB2.1 lease break message */ ksmbd_debug(SMB, - "Illegal request size %d for oplock break\n", - le16_to_cpu(pdu->StructureSize2)); + "Illegal request size %u for command %d\n", + le16_to_cpu(pdu->StructureSize2), command); return 1; } } diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 9849d7489345..a947c18915c2 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -2324,9 +2324,16 @@ next: break; buf_len -= next; eabuf = (struct smb2_ea_info *)((char *)eabuf + next); - if (next < (u32)eabuf->EaNameLength + le16_to_cpu(eabuf->EaValueLength)) + if (buf_len < sizeof(struct smb2_ea_info)) { + rc = -EINVAL; break; + } + if (buf_len < sizeof(struct smb2_ea_info) + eabuf->EaNameLength + + le16_to_cpu(eabuf->EaValueLength)) { + rc = -EINVAL; + break; + } } while (next != 0); kfree(attr_name); @@ -4395,8 +4402,8 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp, } basic_info = (struct smb2_file_basic_info *)rsp->Buffer; - generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp), - &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, + file_inode(fp->filp), &stat); basic_info->CreationTime = cpu_to_le64(fp->create_time); time = ksmbd_UnixTimeToNT(stat.atime); basic_info->LastAccessTime = cpu_to_le64(time); @@ -4421,7 +4428,7 @@ static void get_file_standard_info(struct smb2_query_info_rsp *rsp, struct kstat stat; inode = file_inode(fp->filp); - generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat); sinfo = (struct smb2_file_standard_info *)rsp->Buffer; delete_pending = ksmbd_inode_pending_delete(fp); @@ -4475,7 +4482,7 @@ static int get_file_all_info(struct ksmbd_work *work, return PTR_ERR(filename); inode = file_inode(fp->filp); - generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat); ksmbd_debug(SMB, "filename = %s\n", filename); delete_pending = ksmbd_inode_pending_delete(fp); @@ -4552,8 +4559,8 @@ static void get_file_stream_info(struct ksmbd_work *work, int buf_free_len; struct smb2_query_info_req *req = ksmbd_req_buf_next(work); - generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp), - &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, + file_inode(fp->filp), &stat); file_info = (struct smb2_file_stream_info *)rsp->Buffer; buf_free_len = @@ -4643,8 +4650,8 @@ static void get_file_internal_info(struct smb2_query_info_rsp *rsp, struct smb2_file_internal_info *file_info; struct kstat stat; - generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp), - &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, + file_inode(fp->filp), &stat); file_info = (struct smb2_file_internal_info *)rsp->Buffer; file_info->IndexNumber = cpu_to_le64(stat.ino); rsp->OutputBufferLength = @@ -4669,7 +4676,7 @@ static int get_file_network_open_info(struct smb2_query_info_rsp *rsp, file_info = (struct smb2_file_ntwrk_info *)rsp->Buffer; inode = file_inode(fp->filp); - generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat); file_info->CreationTime = cpu_to_le64(fp->create_time); time = ksmbd_UnixTimeToNT(stat.atime); @@ -4730,8 +4737,8 @@ static void get_file_compression_info(struct smb2_query_info_rsp *rsp, struct smb2_file_comp_info *file_info; struct kstat stat; - generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp), - &stat); + generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, + file_inode(fp->filp), &stat); file_info = (struct smb2_file_comp_info *)rsp->Buffer; file_info->CompressedFileSize = cpu_to_le64(stat.blocks << 9); @@ -4783,7 +4790,7 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp, file_info->LastAccessTime = cpu_to_le64(time); time = ksmbd_UnixTimeToNT(inode->i_mtime); file_info->LastWriteTime = cpu_to_le64(time); - time = ksmbd_UnixTimeToNT(inode->i_ctime); + time = ksmbd_UnixTimeToNT(inode_get_ctime(inode)); file_info->ChangeTime = cpu_to_le64(time); file_info->DosAttributes = fp->f_ci->m_fattr; file_info->Inode = cpu_to_le64(inode->i_ino); @@ -5426,7 +5433,7 @@ int smb2_close(struct ksmbd_work *work) rsp->LastAccessTime = cpu_to_le64(time); time = ksmbd_UnixTimeToNT(inode->i_mtime); rsp->LastWriteTime = cpu_to_le64(time); - time = ksmbd_UnixTimeToNT(inode->i_ctime); + time = ksmbd_UnixTimeToNT(inode_get_ctime(inode)); rsp->ChangeTime = cpu_to_le64(time); ksmbd_fd_put(work, fp); } else { @@ -5649,7 +5656,7 @@ static int set_file_basic_info(struct ksmbd_file *fp, if (file_info->ChangeTime) attrs.ia_ctime = ksmbd_NTtimeToUnix(file_info->ChangeTime); else - attrs.ia_ctime = inode->i_ctime; + attrs.ia_ctime = inode_get_ctime(inode); if (file_info->LastWriteTime) { attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime); @@ -5694,7 +5701,7 @@ static int set_file_basic_info(struct ksmbd_file *fp, return -EACCES; inode_lock(inode); - inode->i_ctime = attrs.ia_ctime; + inode_set_ctime_to_ts(inode, attrs.ia_ctime); attrs.ia_valid &= ~ATTR_CTIME; rc = notify_change(idmap, dentry, &attrs, NULL); inode_unlock(inode); diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c index 3d5d652153a5..d48756a339a5 100644 --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -1659,7 +1659,8 @@ int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work, u64 time; int rc; - generic_fillattr(idmap, d_inode(dentry), ksmbd_kstat->kstat); + generic_fillattr(idmap, STATX_BASIC_STATS, d_inode(dentry), + ksmbd_kstat->kstat); time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->ctime); ksmbd_kstat->create_time = time; diff --git a/fs/splice.c b/fs/splice.c index 3e2a31e1ce6a..02631013b09f 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -120,17 +120,17 @@ static void page_cache_pipe_buf_release(struct pipe_inode_info *pipe, static int page_cache_pipe_buf_confirm(struct pipe_inode_info *pipe, struct pipe_buffer *buf) { - struct page *page = buf->page; + struct folio *folio = page_folio(buf->page); int err; - if (!PageUptodate(page)) { - lock_page(page); + if (!folio_test_uptodate(folio)) { + folio_lock(folio); /* - * Page got truncated/unhashed. This will cause a 0-byte + * Folio got truncated/unhashed. This will cause a 0-byte * splice, if this is the first page. */ - if (!page->mapping) { + if (!folio->mapping) { err = -ENODATA; goto error; } @@ -138,20 +138,18 @@ static int page_cache_pipe_buf_confirm(struct pipe_inode_info *pipe, /* * Uh oh, read-error from disk. */ - if (!PageUptodate(page)) { + if (!folio_test_uptodate(folio)) { err = -EIO; goto error; } - /* - * Page is ok afterall, we are done. - */ - unlock_page(page); + /* Folio is ok after all, we are done */ + folio_unlock(folio); } return 0; error: - unlock_page(page); + folio_unlock(folio); return err; } @@ -1269,10 +1267,8 @@ long do_splice(struct file *in, loff_t *off_in, struct file *out, if ((in->f_flags | out->f_flags) & O_NONBLOCK) flags |= SPLICE_F_NONBLOCK; - return splice_pipe_to_pipe(ipipe, opipe, len, flags); - } - - if (ipipe) { + ret = splice_pipe_to_pipe(ipipe, opipe, len, flags); + } else if (ipipe) { if (off_in) return -ESPIPE; if (off_out) { @@ -1297,18 +1293,11 @@ long do_splice(struct file *in, loff_t *off_in, struct file *out, ret = do_splice_from(ipipe, out, &offset, len, flags); file_end_write(out); - if (ret > 0) - fsnotify_modify(out); - if (!off_out) out->f_pos = offset; else *off_out = offset; - - return ret; - } - - if (opipe) { + } else if (opipe) { if (off_out) return -ESPIPE; if (off_in) { @@ -1324,18 +1313,25 @@ long do_splice(struct file *in, loff_t *off_in, struct file *out, ret = splice_file_to_pipe(in, opipe, &offset, len, flags); - if (ret > 0) - fsnotify_access(in); - if (!off_in) in->f_pos = offset; else *off_in = offset; + } else { + ret = -EINVAL; + } - return ret; + if (ret > 0) { + /* + * Generate modify out before access in: + * do_splice_from() may've already sent modify out, + * and this ensures the events get merged. + */ + fsnotify_modify(out); + fsnotify_access(in); } - return -EINVAL; + return ret; } static long __do_splice(struct file *in, loff_t __user *off_in, @@ -1464,6 +1460,9 @@ static long vmsplice_to_user(struct file *file, struct iov_iter *iter, pipe_unlock(pipe); } + if (ret > 0) + fsnotify_access(file); + return ret; } @@ -1493,8 +1492,10 @@ static long vmsplice_to_pipe(struct file *file, struct iov_iter *iter, if (!ret) ret = iter_to_pipe(iter, pipe, buf_flag); pipe_unlock(pipe); - if (ret > 0) + if (ret > 0) { wakeup_pipe_readers(pipe); + fsnotify_modify(file); + } return ret; } @@ -1928,6 +1929,11 @@ long do_tee(struct file *in, struct file *out, size_t len, unsigned int flags) } } + if (ret > 0) { + fsnotify_access(in); + fsnotify_modify(out); + } + return ret; } diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 24463145b351..c6e626b00546 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -61,7 +61,7 @@ static int squashfs_new_inode(struct super_block *sb, struct inode *inode, inode->i_ino = le32_to_cpu(sqsh_ino->inode_number); inode->i_mtime.tv_sec = le32_to_cpu(sqsh_ino->mtime); inode->i_atime.tv_sec = inode->i_mtime.tv_sec; - inode->i_ctime.tv_sec = inode->i_mtime.tv_sec; + inode_set_ctime(inode, inode->i_mtime.tv_sec, 0); inode->i_mode = le16_to_cpu(sqsh_ino->mode); inode->i_size = 0; diff --git a/fs/stack.c b/fs/stack.c index c9830924eb12..b5e01bdb5f5f 100644 --- a/fs/stack.c +++ b/fs/stack.c @@ -68,7 +68,7 @@ void fsstack_copy_attr_all(struct inode *dest, const struct inode *src) dest->i_rdev = src->i_rdev; dest->i_atime = src->i_atime; dest->i_mtime = src->i_mtime; - dest->i_ctime = src->i_ctime; + inode_set_ctime_to_ts(dest, inode_get_ctime(src)); dest->i_blkbits = src->i_blkbits; dest->i_flags = src->i_flags; set_nlink(dest, src->i_nlink); diff --git a/fs/stat.c b/fs/stat.c index 7c238da22ef0..136711ae72fb 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -27,10 +27,42 @@ #include "mount.h" /** + * fill_mg_cmtime - Fill in the mtime and ctime and flag ctime as QUERIED + * @stat: where to store the resulting values + * @request_mask: STATX_* values requested + * @inode: inode from which to grab the c/mtime + * + * Given @inode, grab the ctime and mtime out if it and store the result + * in @stat. When fetching the value, flag it as queried so the next write + * will use a fine-grained timestamp. + */ +void fill_mg_cmtime(struct kstat *stat, u32 request_mask, struct inode *inode) +{ + atomic_long_t *pnsec = (atomic_long_t *)&inode->__i_ctime.tv_nsec; + + /* If neither time was requested, then don't report them */ + if (!(request_mask & (STATX_CTIME|STATX_MTIME))) { + stat->result_mask &= ~(STATX_CTIME|STATX_MTIME); + return; + } + + stat->mtime = inode->i_mtime; + stat->ctime.tv_sec = inode->__i_ctime.tv_sec; + /* + * Atomically set the QUERIED flag and fetch the new value with + * the flag masked off. + */ + stat->ctime.tv_nsec = atomic_long_fetch_or(I_CTIME_QUERIED, pnsec) & + ~I_CTIME_QUERIED; +} +EXPORT_SYMBOL(fill_mg_cmtime); + +/** * generic_fillattr - Fill in the basic attributes from the inode struct - * @idmap: idmap of the mount the inode was found from - * @inode: Inode to use as the source - * @stat: Where to fill in the attributes + * @idmap: idmap of the mount the inode was found from + * @request_mask: statx request_mask + * @inode: Inode to use as the source + * @stat: Where to fill in the attributes * * Fill in the basic attributes in the kstat structure from data that's to be * found on the VFS inode structure. This is the default if no getattr inode @@ -42,8 +74,8 @@ * uid and gid filds. On non-idmapped mounts or if permission checking is to be * performed on the raw inode simply passs @nop_mnt_idmap. */ -void generic_fillattr(struct mnt_idmap *idmap, struct inode *inode, - struct kstat *stat) +void generic_fillattr(struct mnt_idmap *idmap, u32 request_mask, + struct inode *inode, struct kstat *stat) { vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode); vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode); @@ -57,10 +89,22 @@ void generic_fillattr(struct mnt_idmap *idmap, struct inode *inode, stat->rdev = inode->i_rdev; stat->size = i_size_read(inode); stat->atime = inode->i_atime; - stat->mtime = inode->i_mtime; - stat->ctime = inode->i_ctime; + + if (is_mgtime(inode)) { + fill_mg_cmtime(stat, request_mask, inode); + } else { + stat->mtime = inode->i_mtime; + stat->ctime = inode_get_ctime(inode); + } + stat->blksize = i_blocksize(inode); stat->blocks = inode->i_blocks; + + if ((request_mask & STATX_CHANGE_COOKIE) && IS_I_VERSION(inode)) { + stat->result_mask |= STATX_CHANGE_COOKIE; + stat->change_cookie = inode_query_iversion(inode); + } + } EXPORT_SYMBOL(generic_fillattr); @@ -123,17 +167,12 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat, stat->attributes_mask |= (STATX_ATTR_AUTOMOUNT | STATX_ATTR_DAX); - if ((request_mask & STATX_CHANGE_COOKIE) && IS_I_VERSION(inode)) { - stat->result_mask |= STATX_CHANGE_COOKIE; - stat->change_cookie = inode_query_iversion(inode); - } - idmap = mnt_idmap(path->mnt); if (inode->i_op->getattr) return inode->i_op->getattr(idmap, path, stat, request_mask, query_flags); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); return 0; } EXPORT_SYMBOL(vfs_getattr_nosec); diff --git a/fs/super.c b/fs/super.c index e781226e2880..692654c2af36 100644 --- a/fs/super.c +++ b/fs/super.c @@ -39,7 +39,7 @@ #include <uapi/linux/mount.h> #include "internal.h" -static int thaw_super_locked(struct super_block *sb); +static int thaw_super_locked(struct super_block *sb, enum freeze_holder who); static LIST_HEAD(super_blocks); static DEFINE_SPINLOCK(sb_lock); @@ -50,6 +50,130 @@ static char *sb_writers_name[SB_FREEZE_LEVELS] = { "sb_internal", }; +static inline void __super_lock(struct super_block *sb, bool excl) +{ + if (excl) + down_write(&sb->s_umount); + else + down_read(&sb->s_umount); +} + +static inline void super_unlock(struct super_block *sb, bool excl) +{ + if (excl) + up_write(&sb->s_umount); + else + up_read(&sb->s_umount); +} + +static inline void __super_lock_excl(struct super_block *sb) +{ + __super_lock(sb, true); +} + +static inline void super_unlock_excl(struct super_block *sb) +{ + super_unlock(sb, true); +} + +static inline void super_unlock_shared(struct super_block *sb) +{ + super_unlock(sb, false); +} + +static inline bool wait_born(struct super_block *sb) +{ + unsigned int flags; + + /* + * Pairs with smp_store_release() in super_wake() and ensures + * that we see SB_BORN or SB_DYING after we're woken. + */ + flags = smp_load_acquire(&sb->s_flags); + return flags & (SB_BORN | SB_DYING); +} + +/** + * super_lock - wait for superblock to become ready and lock it + * @sb: superblock to wait for + * @excl: whether exclusive access is required + * + * If the superblock has neither passed through vfs_get_tree() or + * generic_shutdown_super() yet wait for it to happen. Either superblock + * creation will succeed and SB_BORN is set by vfs_get_tree() or we're + * woken and we'll see SB_DYING. + * + * The caller must have acquired a temporary reference on @sb->s_count. + * + * Return: This returns true if SB_BORN was set, false if SB_DYING was + * set. The function acquires s_umount and returns with it held. + */ +static __must_check bool super_lock(struct super_block *sb, bool excl) +{ + + lockdep_assert_not_held(&sb->s_umount); + +relock: + __super_lock(sb, excl); + + /* + * Has gone through generic_shutdown_super() in the meantime. + * @sb->s_root is NULL and @sb->s_active is 0. No one needs to + * grab a reference to this. Tell them so. + */ + if (sb->s_flags & SB_DYING) + return false; + + /* Has called ->get_tree() successfully. */ + if (sb->s_flags & SB_BORN) + return true; + + super_unlock(sb, excl); + + /* wait until the superblock is ready or dying */ + wait_var_event(&sb->s_flags, wait_born(sb)); + + /* + * Neither SB_BORN nor SB_DYING are ever unset so we never loop. + * Just reacquire @sb->s_umount for the caller. + */ + goto relock; +} + +/* wait and acquire read-side of @sb->s_umount */ +static inline bool super_lock_shared(struct super_block *sb) +{ + return super_lock(sb, false); +} + +/* wait and acquire write-side of @sb->s_umount */ +static inline bool super_lock_excl(struct super_block *sb) +{ + return super_lock(sb, true); +} + +/* wake waiters */ +#define SUPER_WAKE_FLAGS (SB_BORN | SB_DYING | SB_DEAD) +static void super_wake(struct super_block *sb, unsigned int flag) +{ + WARN_ON_ONCE((flag & ~SUPER_WAKE_FLAGS)); + WARN_ON_ONCE(hweight32(flag & SUPER_WAKE_FLAGS) > 1); + + /* + * Pairs with smp_load_acquire() in super_lock() to make sure + * all initializations in the superblock are seen by the user + * seeing SB_BORN sent. + */ + smp_store_release(&sb->s_flags, sb->s_flags | flag); + /* + * Pairs with the barrier in prepare_to_wait_event() to make sure + * ___wait_var_event() either sees SB_BORN set or + * waitqueue_active() check in wake_up_var() sees the waiter. + */ + smp_mb(); + wake_up_var(&sb->s_flags); +} + /* * One thing we have to be careful of with a per-sb shrinker is that we don't * drop the last active reference to the superblock from within the shrinker. @@ -76,7 +200,7 @@ static unsigned long super_cache_scan(struct shrinker *shrink, if (!(sc->gfp_mask & __GFP_FS)) return SHRINK_STOP; - if (!trylock_super(sb)) + if (!super_trylock_shared(sb)) return SHRINK_STOP; if (sb->s_op->nr_cached_objects) @@ -110,7 +234,7 @@ static unsigned long super_cache_scan(struct shrinker *shrink, freed += sb->s_op->free_cached_objects(sb, sc); } - up_read(&sb->s_umount); + super_unlock_shared(sb); return freed; } @@ -123,17 +247,17 @@ static unsigned long super_cache_count(struct shrinker *shrink, sb = container_of(shrink, struct super_block, s_shrink); /* - * We don't call trylock_super() here as it is a scalability bottleneck, - * so we're exposed to partial setup state. The shrinker rwsem does not - * protect filesystem operations backing list_lru_shrink_count() or - * s_op->nr_cached_objects(). Counts can change between - * super_cache_count and super_cache_scan, so we really don't need locks - * here. + * We don't call super_trylock_shared() here as it is a scalability + * bottleneck, so we're exposed to partial setup state. The shrinker + * rwsem does not protect filesystem operations backing + * list_lru_shrink_count() or s_op->nr_cached_objects(). Counts can + * change between super_cache_count and super_cache_scan, so we really + * don't need locks here. * * However, if we are currently mounting the superblock, the underlying * filesystem might be in a state of partial construction and hence it - * is dangerous to access it. trylock_super() uses a SB_BORN check to - * avoid this situation, so do the same here. The memory barrier is + * is dangerous to access it. super_trylock_shared() uses a SB_BORN check + * to avoid this situation, so do the same here. The memory barrier is * matched with the one in mount_fs() as we don't hold locks here. */ if (!(sb->s_flags & SB_BORN)) @@ -176,7 +300,7 @@ static void destroy_unused_super(struct super_block *s) { if (!s) return; - up_write(&s->s_umount); + super_unlock_excl(s); list_lru_destroy(&s->s_dentry_lru); list_lru_destroy(&s->s_inode_lru); security_sb_free(s); @@ -337,10 +461,29 @@ void deactivate_locked_super(struct super_block *s) list_lru_destroy(&s->s_dentry_lru); list_lru_destroy(&s->s_inode_lru); + /* + * Remove it from @fs_supers so it isn't found by new + * sget{_fc}() walkers anymore. Any concurrent mounter still + * managing to grab a temporary reference is guaranteed to + * already see SB_DYING and will wait until we notify them about + * SB_DEAD. + */ + spin_lock(&sb_lock); + hlist_del_init(&s->s_instances); + spin_unlock(&sb_lock); + + /* + * Let concurrent mounts know that this thing is really dead. + * We don't need @sb->s_umount here as every concurrent caller + * will see SB_DYING and either discard the superblock or wait + * for SB_DEAD. + */ + super_wake(s, SB_DEAD); + put_filesystem(fs); put_super(s); } else { - up_write(&s->s_umount); + super_unlock_excl(s); } } @@ -357,7 +500,7 @@ EXPORT_SYMBOL(deactivate_locked_super); void deactivate_super(struct super_block *s) { if (!atomic_add_unless(&s->s_active, -1, 1)) { - down_write(&s->s_umount); + __super_lock_excl(s); deactivate_locked_super(s); } } @@ -379,20 +522,61 @@ EXPORT_SYMBOL(deactivate_super); */ static int grab_super(struct super_block *s) __releases(sb_lock) { + bool born; + s->s_count++; spin_unlock(&sb_lock); - down_write(&s->s_umount); - if ((s->s_flags & SB_BORN) && atomic_inc_not_zero(&s->s_active)) { + born = super_lock_excl(s); + if (born && atomic_inc_not_zero(&s->s_active)) { put_super(s); return 1; } - up_write(&s->s_umount); + super_unlock_excl(s); put_super(s); return 0; } +static inline bool wait_dead(struct super_block *sb) +{ + unsigned int flags; + + /* + * Pairs with memory barrier in super_wake() and ensures + * that we see SB_DEAD after we're woken. + */ + flags = smp_load_acquire(&sb->s_flags); + return flags & SB_DEAD; +} + +/** + * grab_super_dead - acquire an active reference to a superblock + * @sb: superblock to acquire + * + * Acquire a temporary reference on a superblock and try to trade it for + * an active reference. This is used in sget{_fc}() to wait for a + * superblock to either become SB_BORN or for it to pass through + * sb->kill() and be marked as SB_DEAD. + * + * Return: This returns true if an active reference could be acquired, + * false if not. + */ +static bool grab_super_dead(struct super_block *sb) +{ + + sb->s_count++; + if (grab_super(sb)) { + put_super(sb); + lockdep_assert_held(&sb->s_umount); + return true; + } + wait_var_event(&sb->s_flags, wait_dead(sb)); + put_super(sb); + lockdep_assert_not_held(&sb->s_umount); + return false; +} + /* - * trylock_super - try to grab ->s_umount shared + * super_trylock_shared - try to grab ->s_umount shared * @sb: reference we are trying to grab * * Try to prevent fs shutdown. This is used in places where we @@ -408,13 +592,13 @@ static int grab_super(struct super_block *s) __releases(sb_lock) * of down_read(). There's a couple of places that are OK with that, but * it's very much not a general-purpose interface. */ -bool trylock_super(struct super_block *sb) +bool super_trylock_shared(struct super_block *sb) { if (down_read_trylock(&sb->s_umount)) { - if (!hlist_unhashed(&sb->s_instances) && - sb->s_root && (sb->s_flags & SB_BORN)) + if (!(sb->s_flags & SB_DYING) && sb->s_root && + (sb->s_flags & SB_BORN)) return true; - up_read(&sb->s_umount); + super_unlock_shared(sb); } return false; @@ -439,13 +623,13 @@ bool trylock_super(struct super_block *sb) void retire_super(struct super_block *sb) { WARN_ON(!sb->s_bdev); - down_write(&sb->s_umount); + __super_lock_excl(sb); if (sb->s_iflags & SB_I_PERSB_BDI) { bdi_unregister(sb->s_bdi); sb->s_iflags &= ~SB_I_PERSB_BDI; } sb->s_iflags |= SB_I_RETIRED; - up_write(&sb->s_umount); + super_unlock_excl(sb); } EXPORT_SYMBOL(retire_super); @@ -517,11 +701,17 @@ void generic_shutdown_super(struct super_block *sb) spin_unlock(&sb->s_inode_list_lock); } } - spin_lock(&sb_lock); - /* should be initialized for __put_super_and_need_restart() */ - hlist_del_init(&sb->s_instances); - spin_unlock(&sb_lock); - up_write(&sb->s_umount); + /* + * Broadcast to everyone that grabbed a temporary reference to this + * superblock before we removed it from @fs_supers that the superblock + * is dying. Every walker of @fs_supers outside of sget{_fc}() will now + * discard this superblock and treat it as dead. + * + * We leave the superblock on @fs_supers so it can be found by + * sget{_fc}() until we passed sb->kill_sb(). + */ + super_wake(sb, SB_DYING); + super_unlock_excl(sb); if (sb->s_bdi != &noop_backing_dev_info) { if (sb->s_iflags & SB_I_PERSB_BDI) bdi_unregister(sb->s_bdi); @@ -546,17 +736,31 @@ bool mount_capable(struct fs_context *fc) * @test: Comparison callback * @set: Setup callback * - * Find or create a superblock using the parameters stored in the filesystem - * context and the two callback functions. + * Create a new superblock or find an existing one. + * + * The @test callback is used to find a matching existing superblock. + * Whether or not the requested parameters in @fc are taken into account + * is specific to the @test callback that is used. They may even be + * completely ignored. + * + * If an extant superblock is matched, it will be returned unless: * - * If an extant superblock is matched, then that will be returned with an - * elevated reference count that the caller must transfer or discard. + * (1) the namespace the filesystem context @fc and the extant + * superblock's namespace differ + * + * (2) the filesystem context @fc has requested that reusing an extant + * superblock is not allowed + * + * In both cases EBUSY will be returned. * * If no match is made, a new superblock will be allocated and basic - * initialisation will be performed (s_type, s_fs_info and s_id will be set and - * the set() callback will be invoked), the superblock will be published and it - * will be returned in a partially constructed state with SB_BORN and SB_ACTIVE - * as yet unset. + * initialisation will be performed (s_type, s_fs_info and s_id will be + * set and the @set callback will be invoked), the superblock will be + * published and it will be returned in a partially constructed state + * with SB_BORN and SB_ACTIVE as yet unset. + * + * Return: On success, an extant or newly created superblock is + * returned. On failure an error pointer is returned. */ struct super_block *sget_fc(struct fs_context *fc, int (*test)(struct super_block *, struct fs_context *), @@ -595,6 +799,11 @@ retry: s->s_type = fc->fs_type; s->s_iflags |= fc->s_iflags; strscpy(s->s_id, s->s_type->name, sizeof(s->s_id)); + /* + * Make the superblock visible on @super_blocks and @fs_supers. + * It's in a nascent state and users should wait on SB_BORN or + * SB_DYING to be set. + */ list_add_tail(&s->s_list, &super_blocks); hlist_add_head(&s->s_instances, &s->s_type->fs_supers); spin_unlock(&sb_lock); @@ -603,12 +812,16 @@ retry: return s; share_extant_sb: - if (user_ns != old->s_user_ns) { + if (user_ns != old->s_user_ns || fc->exclusive) { spin_unlock(&sb_lock); destroy_unused_super(s); + if (fc->exclusive) + warnfc(fc, "reusing existing filesystem not allowed"); + else + warnfc(fc, "reusing existing filesystem in another namespace not allowed"); return ERR_PTR(-EBUSY); } - if (!grab_super(old)) + if (!grab_super_dead(old)) goto retry; destroy_unused_super(s); return old; @@ -652,7 +865,7 @@ retry: destroy_unused_super(s); return ERR_PTR(-EBUSY); } - if (!grab_super(old)) + if (!grab_super_dead(old)) goto retry; destroy_unused_super(s); return old; @@ -685,7 +898,7 @@ EXPORT_SYMBOL(sget); void drop_super(struct super_block *sb) { - up_read(&sb->s_umount); + super_unlock_shared(sb); put_super(sb); } @@ -693,7 +906,7 @@ EXPORT_SYMBOL(drop_super); void drop_super_exclusive(struct super_block *sb) { - up_write(&sb->s_umount); + super_unlock_excl(sb); put_super(sb); } EXPORT_SYMBOL(drop_super_exclusive); @@ -704,7 +917,8 @@ static void __iterate_supers(void (*f)(struct super_block *)) spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (hlist_unhashed(&sb->s_instances)) + /* Pairs with memory marrier in super_wake(). */ + if (smp_load_acquire(&sb->s_flags) & SB_DYING) continue; sb->s_count++; spin_unlock(&sb_lock); @@ -734,15 +948,15 @@ void iterate_supers(void (*f)(struct super_block *, void *), void *arg) spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (hlist_unhashed(&sb->s_instances)) - continue; + bool born; + sb->s_count++; spin_unlock(&sb_lock); - down_read(&sb->s_umount); - if (sb->s_root && (sb->s_flags & SB_BORN)) + born = super_lock_shared(sb); + if (born && sb->s_root) f(sb, arg); - up_read(&sb->s_umount); + super_unlock_shared(sb); spin_lock(&sb_lock); if (p) @@ -770,13 +984,15 @@ void iterate_supers_type(struct file_system_type *type, spin_lock(&sb_lock); hlist_for_each_entry(sb, &type->fs_supers, s_instances) { + bool born; + sb->s_count++; spin_unlock(&sb_lock); - down_read(&sb->s_umount); - if (sb->s_root && (sb->s_flags & SB_BORN)) + born = super_lock_shared(sb); + if (born && sb->s_root) f(sb, arg); - up_read(&sb->s_umount); + super_unlock_shared(sb); spin_lock(&sb_lock); if (p) @@ -791,43 +1007,6 @@ void iterate_supers_type(struct file_system_type *type, EXPORT_SYMBOL(iterate_supers_type); /** - * get_super - get the superblock of a device - * @bdev: device to get the superblock for - * - * Scans the superblock list and finds the superblock of the file system - * mounted on the device given. %NULL is returned if no match is found. - */ -struct super_block *get_super(struct block_device *bdev) -{ - struct super_block *sb; - - if (!bdev) - return NULL; - - spin_lock(&sb_lock); -rescan: - list_for_each_entry(sb, &super_blocks, s_list) { - if (hlist_unhashed(&sb->s_instances)) - continue; - if (sb->s_bdev == bdev) { - sb->s_count++; - spin_unlock(&sb_lock); - down_read(&sb->s_umount); - /* still alive? */ - if (sb->s_root && (sb->s_flags & SB_BORN)) - return sb; - up_read(&sb->s_umount); - /* nope, got unmounted */ - spin_lock(&sb_lock); - __put_super(sb); - goto rescan; - } - } - spin_unlock(&sb_lock); - return NULL; -} - -/** * get_active_super - get an active reference to the superblock of a device * @bdev: device to get the superblock for * @@ -842,15 +1021,12 @@ struct super_block *get_active_super(struct block_device *bdev) if (!bdev) return NULL; -restart: spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (hlist_unhashed(&sb->s_instances)) - continue; if (sb->s_bdev == bdev) { if (!grab_super(sb)) - goto restart; - up_write(&sb->s_umount); + return NULL; + super_unlock_excl(sb); return sb; } } @@ -863,28 +1039,21 @@ struct super_block *user_get_super(dev_t dev, bool excl) struct super_block *sb; spin_lock(&sb_lock); -rescan: list_for_each_entry(sb, &super_blocks, s_list) { - if (hlist_unhashed(&sb->s_instances)) - continue; if (sb->s_dev == dev) { + bool born; + sb->s_count++; spin_unlock(&sb_lock); - if (excl) - down_write(&sb->s_umount); - else - down_read(&sb->s_umount); /* still alive? */ - if (sb->s_root && (sb->s_flags & SB_BORN)) + born = super_lock(sb, excl); + if (born && sb->s_root) return sb; - if (excl) - up_write(&sb->s_umount); - else - up_read(&sb->s_umount); + super_unlock(sb, excl); /* nope, got unmounted */ spin_lock(&sb_lock); __put_super(sb); - goto rescan; + break; } } spin_unlock(&sb_lock); @@ -926,9 +1095,9 @@ int reconfigure_super(struct fs_context *fc) if (remount_ro) { if (!hlist_empty(&sb->s_pins)) { - up_write(&sb->s_umount); + super_unlock_excl(sb); group_pin_kill(&sb->s_pins); - down_write(&sb->s_umount); + __super_lock_excl(sb); if (!sb->s_root) return 0; if (sb->s_writers.frozen != SB_UNFROZEN) @@ -991,9 +1160,9 @@ cancel_readonly: static void do_emergency_remount_callback(struct super_block *sb) { - down_write(&sb->s_umount); - if (sb->s_root && sb->s_bdev && (sb->s_flags & SB_BORN) && - !sb_rdonly(sb)) { + bool born = super_lock_excl(sb); + + if (born && sb->s_root && sb->s_bdev && !sb_rdonly(sb)) { struct fs_context *fc; fc = fs_context_for_reconfigure(sb->s_root, @@ -1004,7 +1173,7 @@ static void do_emergency_remount_callback(struct super_block *sb) put_fs_context(fc); } } - up_write(&sb->s_umount); + super_unlock_excl(sb); } static void do_emergency_remount(struct work_struct *work) @@ -1027,12 +1196,13 @@ void emergency_remount(void) static void do_thaw_all_callback(struct super_block *sb) { - down_write(&sb->s_umount); - if (sb->s_root && sb->s_flags & SB_BORN) { + bool born = super_lock_excl(sb); + + if (born && sb->s_root) { emergency_thaw_bdev(sb); - thaw_super_locked(sb); + thaw_super_locked(sb, FREEZE_HOLDER_USERSPACE); } else { - up_write(&sb->s_umount); + super_unlock_excl(sb); } } @@ -1136,7 +1306,7 @@ static int test_single_super(struct super_block *s, struct fs_context *fc) return 1; } -static int vfs_get_super(struct fs_context *fc, bool reconf, +static int vfs_get_super(struct fs_context *fc, int (*test)(struct super_block *, struct fs_context *), int (*fill_super)(struct super_block *sb, struct fs_context *fc)) @@ -1154,19 +1324,9 @@ static int vfs_get_super(struct fs_context *fc, bool reconf, goto error; sb->s_flags |= SB_ACTIVE; - fc->root = dget(sb->s_root); - } else { - fc->root = dget(sb->s_root); - if (reconf) { - err = reconfigure_super(fc); - if (err < 0) { - dput(fc->root); - fc->root = NULL; - goto error; - } - } } + fc->root = dget(sb->s_root); return 0; error: @@ -1178,7 +1338,7 @@ int get_tree_nodev(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)) { - return vfs_get_super(fc, false, NULL, fill_super); + return vfs_get_super(fc, NULL, fill_super); } EXPORT_SYMBOL(get_tree_nodev); @@ -1186,54 +1346,81 @@ int get_tree_single(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)) { - return vfs_get_super(fc, false, test_single_super, fill_super); + return vfs_get_super(fc, test_single_super, fill_super); } EXPORT_SYMBOL(get_tree_single); -int get_tree_single_reconf(struct fs_context *fc, - int (*fill_super)(struct super_block *sb, - struct fs_context *fc)) -{ - return vfs_get_super(fc, true, test_single_super, fill_super); -} -EXPORT_SYMBOL(get_tree_single_reconf); - int get_tree_keyed(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc), void *key) { fc->s_fs_info = key; - return vfs_get_super(fc, false, test_keyed_super, fill_super); + return vfs_get_super(fc, test_keyed_super, fill_super); } EXPORT_SYMBOL(get_tree_keyed); #ifdef CONFIG_BLOCK -static void fs_mark_dead(struct block_device *bdev) +/* + * Lock a super block that the callers holds a reference to. + * + * The caller needs to ensure that the super_block isn't being freed while + * calling this function, e.g. by holding a lock over the call to this function + * and the place that clears the pointer to the superblock used by this function + * before freeing the superblock. + */ +static bool super_lock_shared_active(struct super_block *sb) { - struct super_block *sb; + bool born = super_lock_shared(sb); + + if (!born || !sb->s_root || !(sb->s_flags & SB_ACTIVE)) { + super_unlock_shared(sb); + return false; + } + return true; +} + +static void fs_bdev_mark_dead(struct block_device *bdev, bool surprise) +{ + struct super_block *sb = bdev->bd_holder; + + /* bd_holder_lock ensures that the sb isn't freed */ + lockdep_assert_held(&bdev->bd_holder_lock); - sb = get_super(bdev); - if (!sb) + if (!super_lock_shared_active(sb)) return; + if (!surprise) + sync_filesystem(sb); + shrink_dcache_sb(sb); + invalidate_inodes(sb); if (sb->s_op->shutdown) sb->s_op->shutdown(sb); - drop_super(sb); + + super_unlock_shared(sb); +} + +static void fs_bdev_sync(struct block_device *bdev) +{ + struct super_block *sb = bdev->bd_holder; + + lockdep_assert_held(&bdev->bd_holder_lock); + + if (!super_lock_shared_active(sb)) + return; + sync_filesystem(sb); + super_unlock_shared(sb); } -static const struct blk_holder_ops fs_holder_ops = { - .mark_dead = fs_mark_dead, +const struct blk_holder_ops fs_holder_ops = { + .mark_dead = fs_bdev_mark_dead, + .sync = fs_bdev_sync, }; +EXPORT_SYMBOL_GPL(fs_holder_ops); static int set_bdev_super(struct super_block *s, void *data) { - s->s_bdev = data; - s->s_dev = s->s_bdev->bd_dev; - s->s_bdi = bdi_get(s->s_bdev->bd_disk->bdi); - - if (bdev_stable_writes(s->s_bdev)) - s->s_iflags |= SB_I_STABLE_WRITES; + s->s_dev = *(dev_t *)data; return 0; } @@ -1244,8 +1431,63 @@ static int set_bdev_super_fc(struct super_block *s, struct fs_context *fc) static int test_bdev_super_fc(struct super_block *s, struct fs_context *fc) { - return !(s->s_iflags & SB_I_RETIRED) && s->s_bdev == fc->sget_key; + return !(s->s_iflags & SB_I_RETIRED) && + s->s_dev == *(dev_t *)fc->sget_key; +} + +int setup_bdev_super(struct super_block *sb, int sb_flags, + struct fs_context *fc) +{ + blk_mode_t mode = sb_open_mode(sb_flags); + struct block_device *bdev; + + bdev = blkdev_get_by_dev(sb->s_dev, mode, sb, &fs_holder_ops); + if (IS_ERR(bdev)) { + if (fc) + errorf(fc, "%s: Can't open blockdev", fc->source); + return PTR_ERR(bdev); + } + + /* + * This really should be in blkdev_get_by_dev, but right now can't due + * to legacy issues that require us to allow opening a block device node + * writable from userspace even for a read-only block device. + */ + if ((mode & BLK_OPEN_WRITE) && bdev_read_only(bdev)) { + blkdev_put(bdev, sb); + return -EACCES; + } + + /* + * Until SB_BORN flag is set, there can be no active superblock + * references and thus no filesystem freezing. get_active_super() will + * just loop waiting for SB_BORN so even freeze_bdev() cannot proceed. + * + * It is enough to check bdev was not frozen before we set s_bdev. + */ + mutex_lock(&bdev->bd_fsfreeze_mutex); + if (bdev->bd_fsfreeze_count > 0) { + mutex_unlock(&bdev->bd_fsfreeze_mutex); + if (fc) + warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev); + blkdev_put(bdev, sb); + return -EBUSY; + } + spin_lock(&sb_lock); + sb->s_bdev = bdev; + sb->s_bdi = bdi_get(bdev->bd_disk->bdi); + if (bdev_stable_writes(bdev)) + sb->s_iflags |= SB_I_STABLE_WRITES; + spin_unlock(&sb_lock); + mutex_unlock(&bdev->bd_fsfreeze_mutex); + + snprintf(sb->s_id, sizeof(sb->s_id), "%pg", bdev); + shrinker_debugfs_rename(&sb->s_shrink, "sb-%s:%s", sb->s_type->name, + sb->s_id); + sb_set_blocksize(sb, block_size(bdev)); + return 0; } +EXPORT_SYMBOL_GPL(setup_bdev_super); /** * get_tree_bdev - Get a superblock based on a single block device @@ -1256,73 +1498,49 @@ int get_tree_bdev(struct fs_context *fc, int (*fill_super)(struct super_block *, struct fs_context *)) { - struct block_device *bdev; struct super_block *s; int error = 0; + dev_t dev; if (!fc->source) return invalf(fc, "No source specified"); - bdev = blkdev_get_by_path(fc->source, sb_open_mode(fc->sb_flags), - fc->fs_type, &fs_holder_ops); - if (IS_ERR(bdev)) { - errorf(fc, "%s: Can't open blockdev", fc->source); - return PTR_ERR(bdev); - } - - /* Once the superblock is inserted into the list by sget_fc(), s_umount - * will protect the lockfs code from trying to start a snapshot while - * we are mounting - */ - mutex_lock(&bdev->bd_fsfreeze_mutex); - if (bdev->bd_fsfreeze_count > 0) { - mutex_unlock(&bdev->bd_fsfreeze_mutex); - warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev); - blkdev_put(bdev, fc->fs_type); - return -EBUSY; + error = lookup_bdev(fc->source, &dev); + if (error) { + errorf(fc, "%s: Can't lookup blockdev", fc->source); + return error; } fc->sb_flags |= SB_NOSEC; - fc->sget_key = bdev; + fc->sget_key = &dev; s = sget_fc(fc, test_bdev_super_fc, set_bdev_super_fc); - mutex_unlock(&bdev->bd_fsfreeze_mutex); - if (IS_ERR(s)) { - blkdev_put(bdev, fc->fs_type); + if (IS_ERR(s)) return PTR_ERR(s); - } if (s->s_root) { /* Don't summarily change the RO/RW state. */ if ((fc->sb_flags ^ s->s_flags) & SB_RDONLY) { - warnf(fc, "%pg: Can't mount, would change RO state", bdev); + warnf(fc, "%pg: Can't mount, would change RO state", s->s_bdev); deactivate_locked_super(s); - blkdev_put(bdev, fc->fs_type); return -EBUSY; } - + } else { /* - * s_umount nests inside open_mutex during - * __invalidate_device(). blkdev_put() acquires - * open_mutex and can't be called under s_umount. Drop - * s_umount temporarily. This is safe as we're - * holding an active reference. + * We drop s_umount here because we need to open the bdev and + * bdev->open_mutex ranks above s_umount (blkdev_put() -> + * bdev_mark_dead()). It is safe because we have active sb + * reference and SB_BORN is not set yet. */ - up_write(&s->s_umount); - blkdev_put(bdev, fc->fs_type); - down_write(&s->s_umount); - } else { - snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev); - shrinker_debugfs_rename(&s->s_shrink, "sb-%s:%s", - fc->fs_type->name, s->s_id); - sb_set_blocksize(s, block_size(bdev)); - error = fill_super(s, fc); + super_unlock_excl(s); + error = setup_bdev_super(s, fc->sb_flags, fc); + __super_lock_excl(s); + if (!error) + error = fill_super(s, fc); if (error) { deactivate_locked_super(s); return error; } - s->s_flags |= SB_ACTIVE; - bdev->bd_super = s; } BUG_ON(fc->root); @@ -1333,79 +1551,52 @@ EXPORT_SYMBOL(get_tree_bdev); static int test_bdev_super(struct super_block *s, void *data) { - return !(s->s_iflags & SB_I_RETIRED) && (void *)s->s_bdev == data; + return !(s->s_iflags & SB_I_RETIRED) && s->s_dev == *(dev_t *)data; } struct dentry *mount_bdev(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, int (*fill_super)(struct super_block *, void *, int)) { - struct block_device *bdev; struct super_block *s; - int error = 0; + int error; + dev_t dev; - bdev = blkdev_get_by_path(dev_name, sb_open_mode(flags), fs_type, - &fs_holder_ops); - if (IS_ERR(bdev)) - return ERR_CAST(bdev); + error = lookup_bdev(dev_name, &dev); + if (error) + return ERR_PTR(error); - /* - * once the super is inserted into the list by sget, s_umount - * will protect the lockfs code from trying to start a snapshot - * while we are mounting - */ - mutex_lock(&bdev->bd_fsfreeze_mutex); - if (bdev->bd_fsfreeze_count > 0) { - mutex_unlock(&bdev->bd_fsfreeze_mutex); - error = -EBUSY; - goto error_bdev; - } - s = sget(fs_type, test_bdev_super, set_bdev_super, flags | SB_NOSEC, - bdev); - mutex_unlock(&bdev->bd_fsfreeze_mutex); + flags |= SB_NOSEC; + s = sget(fs_type, test_bdev_super, set_bdev_super, flags, &dev); if (IS_ERR(s)) - goto error_s; + return ERR_CAST(s); if (s->s_root) { if ((flags ^ s->s_flags) & SB_RDONLY) { deactivate_locked_super(s); - error = -EBUSY; - goto error_bdev; + return ERR_PTR(-EBUSY); } - + } else { /* - * s_umount nests inside open_mutex during - * __invalidate_device(). blkdev_put() acquires - * open_mutex and can't be called under s_umount. Drop - * s_umount temporarily. This is safe as we're - * holding an active reference. + * We drop s_umount here because we need to open the bdev and + * bdev->open_mutex ranks above s_umount (blkdev_put() -> + * bdev_mark_dead()). It is safe because we have active sb + * reference and SB_BORN is not set yet. */ - up_write(&s->s_umount); - blkdev_put(bdev, fs_type); - down_write(&s->s_umount); - } else { - snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev); - shrinker_debugfs_rename(&s->s_shrink, "sb-%s:%s", - fs_type->name, s->s_id); - sb_set_blocksize(s, block_size(bdev)); - error = fill_super(s, data, flags & SB_SILENT ? 1 : 0); + super_unlock_excl(s); + error = setup_bdev_super(s, flags, NULL); + __super_lock_excl(s); + if (!error) + error = fill_super(s, data, flags & SB_SILENT ? 1 : 0); if (error) { deactivate_locked_super(s); - goto error; + return ERR_PTR(error); } s->s_flags |= SB_ACTIVE; - bdev->bd_super = s; } return dget(s->s_root); - -error_s: - error = PTR_ERR(s); -error_bdev: - blkdev_put(bdev, fs_type); -error: - return ERR_PTR(error); } EXPORT_SYMBOL(mount_bdev); @@ -1413,10 +1604,11 @@ void kill_block_super(struct super_block *sb) { struct block_device *bdev = sb->s_bdev; - bdev->bd_super = NULL; generic_shutdown_super(sb); - sync_blockdev(bdev); - blkdev_put(bdev, sb->s_type); + if (bdev) { + sync_blockdev(bdev); + blkdev_put(bdev, sb); + } } EXPORT_SYMBOL(kill_block_super); @@ -1533,13 +1725,13 @@ int vfs_get_tree(struct fs_context *fc) WARN_ON(!sb->s_bdi); /* - * Write barrier is for super_cache_count(). We place it before setting - * SB_BORN as the data dependency between the two functions is the - * superblock structure contents that we just set up, not the SB_BORN - * flag. + * super_wake() contains a memory barrier which also care of + * ordering for super_cache_count(). We place it before setting + * SB_BORN as the data dependency between the two functions is + * the superblock structure contents that we just set up, not + * the SB_BORN flag. */ - smp_wmb(); - sb->s_flags |= SB_BORN; + super_wake(sb, SB_BORN); error = security_sb_set_mnt_opts(sb, fc->security, 0, NULL); if (unlikely(error)) { @@ -1644,14 +1836,43 @@ static void sb_freeze_unlock(struct super_block *sb, int level) percpu_up_write(sb->s_writers.rw_sem + level); } +static int wait_for_partially_frozen(struct super_block *sb) +{ + int ret = 0; + + do { + unsigned short old = sb->s_writers.frozen; + + up_write(&sb->s_umount); + ret = wait_var_event_killable(&sb->s_writers.frozen, + sb->s_writers.frozen != old); + down_write(&sb->s_umount); + } while (ret == 0 && + sb->s_writers.frozen != SB_UNFROZEN && + sb->s_writers.frozen != SB_FREEZE_COMPLETE); + + return ret; +} + /** * freeze_super - lock the filesystem and force it into a consistent state * @sb: the super to lock + * @who: context that wants to freeze * * Syncs the super to make sure the filesystem is consistent and calls the fs's - * freeze_fs. Subsequent calls to this without first thawing the fs will return + * freeze_fs. Subsequent calls to this without first thawing the fs may return * -EBUSY. * + * @who should be: + * * %FREEZE_HOLDER_USERSPACE if userspace wants to freeze the fs; + * * %FREEZE_HOLDER_KERNEL if the kernel wants to freeze the fs. + * + * The @who argument distinguishes between the kernel and userspace trying to + * freeze the filesystem. Although there cannot be multiple kernel freezes or + * multiple userspace freezes in effect at any given time, the kernel and + * userspace can both hold a filesystem frozen. The filesystem remains frozen + * until there are no kernel or userspace freezes in effect. + * * During this function, sb->s_writers.frozen goes through these values: * * SB_UNFROZEN: File system is normal, all writes progress as usual. @@ -1677,34 +1898,62 @@ static void sb_freeze_unlock(struct super_block *sb, int level) * * sb->s_writers.frozen is protected by sb->s_umount. */ -int freeze_super(struct super_block *sb) +int freeze_super(struct super_block *sb, enum freeze_holder who) { int ret; atomic_inc(&sb->s_active); - down_write(&sb->s_umount); + if (!super_lock_excl(sb)) + WARN(1, "Dying superblock while freezing!"); + +retry: + if (sb->s_writers.frozen == SB_FREEZE_COMPLETE) { + if (sb->s_writers.freeze_holders & who) { + deactivate_locked_super(sb); + return -EBUSY; + } + + WARN_ON(sb->s_writers.freeze_holders == 0); + + /* + * Someone else already holds this type of freeze; share the + * freeze and assign the active ref to the freeze. + */ + sb->s_writers.freeze_holders |= who; + super_unlock_excl(sb); + return 0; + } + if (sb->s_writers.frozen != SB_UNFROZEN) { - deactivate_locked_super(sb); - return -EBUSY; + ret = wait_for_partially_frozen(sb); + if (ret) { + deactivate_locked_super(sb); + return ret; + } + + goto retry; } if (!(sb->s_flags & SB_BORN)) { - up_write(&sb->s_umount); + super_unlock_excl(sb); return 0; /* sic - it's "nothing to do" */ } if (sb_rdonly(sb)) { /* Nothing to do really... */ + sb->s_writers.freeze_holders |= who; sb->s_writers.frozen = SB_FREEZE_COMPLETE; - up_write(&sb->s_umount); + wake_up_var(&sb->s_writers.frozen); + super_unlock_excl(sb); return 0; } sb->s_writers.frozen = SB_FREEZE_WRITE; /* Release s_umount to preserve sb_start_write -> s_umount ordering */ - up_write(&sb->s_umount); + super_unlock_excl(sb); sb_wait_write(sb, SB_FREEZE_WRITE); - down_write(&sb->s_umount); + if (!super_lock_excl(sb)) + WARN(1, "Dying superblock while freezing!"); /* Now we go and block page faults... */ sb->s_writers.frozen = SB_FREEZE_PAGEFAULT; @@ -1715,6 +1964,7 @@ int freeze_super(struct super_block *sb) if (ret) { sb->s_writers.frozen = SB_UNFROZEN; sb_freeze_unlock(sb, SB_FREEZE_PAGEFAULT); + wake_up_var(&sb->s_writers.frozen); deactivate_locked_super(sb); return ret; } @@ -1730,6 +1980,7 @@ int freeze_super(struct super_block *sb) "VFS:Filesystem freeze failed\n"); sb->s_writers.frozen = SB_UNFROZEN; sb_freeze_unlock(sb, SB_FREEZE_FS); + wake_up_var(&sb->s_writers.frozen); deactivate_locked_super(sb); return ret; } @@ -1738,24 +1989,50 @@ int freeze_super(struct super_block *sb) * For debugging purposes so that fs can warn if it sees write activity * when frozen is set to SB_FREEZE_COMPLETE, and for thaw_super(). */ + sb->s_writers.freeze_holders |= who; sb->s_writers.frozen = SB_FREEZE_COMPLETE; + wake_up_var(&sb->s_writers.frozen); lockdep_sb_freeze_release(sb); - up_write(&sb->s_umount); + super_unlock_excl(sb); return 0; } EXPORT_SYMBOL(freeze_super); -static int thaw_super_locked(struct super_block *sb) +/* + * Undoes the effect of a freeze_super_locked call. If the filesystem is + * frozen both by userspace and the kernel, a thaw call from either source + * removes that state without releasing the other state or unlocking the + * filesystem. + */ +static int thaw_super_locked(struct super_block *sb, enum freeze_holder who) { int error; - if (sb->s_writers.frozen != SB_FREEZE_COMPLETE) { - up_write(&sb->s_umount); + if (sb->s_writers.frozen == SB_FREEZE_COMPLETE) { + if (!(sb->s_writers.freeze_holders & who)) { + super_unlock_excl(sb); + return -EINVAL; + } + + /* + * Freeze is shared with someone else. Release our hold and + * drop the active ref that freeze_super assigned to the + * freezer. + */ + if (sb->s_writers.freeze_holders & ~who) { + sb->s_writers.freeze_holders &= ~who; + deactivate_locked_super(sb); + return 0; + } + } else { + super_unlock_excl(sb); return -EINVAL; } if (sb_rdonly(sb)) { + sb->s_writers.freeze_holders &= ~who; sb->s_writers.frozen = SB_UNFROZEN; + wake_up_var(&sb->s_writers.frozen); goto out; } @@ -1764,15 +2041,16 @@ static int thaw_super_locked(struct super_block *sb) if (sb->s_op->unfreeze_fs) { error = sb->s_op->unfreeze_fs(sb); if (error) { - printk(KERN_ERR - "VFS:Filesystem thaw failed\n"); + printk(KERN_ERR "VFS:Filesystem thaw failed\n"); lockdep_sb_freeze_release(sb); - up_write(&sb->s_umount); + super_unlock_excl(sb); return error; } } + sb->s_writers.freeze_holders &= ~who; sb->s_writers.frozen = SB_UNFROZEN; + wake_up_var(&sb->s_writers.frozen); sb_freeze_unlock(sb, SB_FREEZE_FS); out: deactivate_locked_super(sb); @@ -1782,13 +2060,20 @@ out: /** * thaw_super -- unlock filesystem * @sb: the super to thaw + * @who: context that wants to freeze + * + * Unlocks the filesystem and marks it writeable again after freeze_super() + * if there are no remaining freezes on the filesystem. * - * Unlocks the filesystem and marks it writeable again after freeze_super(). + * @who should be: + * * %FREEZE_HOLDER_USERSPACE if userspace wants to thaw the fs; + * * %FREEZE_HOLDER_KERNEL if the kernel wants to thaw the fs. */ -int thaw_super(struct super_block *sb) +int thaw_super(struct super_block *sb, enum freeze_holder who) { - down_write(&sb->s_umount); - return thaw_super_locked(sb); + if (!super_lock_excl(sb)) + WARN(1, "Dying superblock while thawing!"); + return thaw_super_locked(sb, who); } EXPORT_SYMBOL(thaw_super); diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index 0140010aa0c3..2f5ead88d00b 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -224,7 +224,7 @@ got_it: memset (de->name + namelen, 0, SYSV_DIRSIZE - namelen - 2); de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); dir_commit_chunk(page, pos, SYSV_DIRSIZE); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); err = sysv_handle_dirsync(dir); out_page: @@ -249,7 +249,7 @@ int sysv_delete_entry(struct sysv_dir_entry *de, struct page *page) } de->inode = 0; dir_commit_chunk(page, pos, SYSV_DIRSIZE); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); return sysv_handle_dirsync(inode); } @@ -346,7 +346,7 @@ int sysv_set_link(struct sysv_dir_entry *de, struct page *page, } de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); dir_commit_chunk(page, pos, SYSV_DIRSIZE); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); return sysv_handle_dirsync(inode); } diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c index e732879036ab..6719da5889d9 100644 --- a/fs/sysv/ialloc.c +++ b/fs/sysv/ialloc.c @@ -165,7 +165,7 @@ struct inode * sysv_new_inode(const struct inode * dir, umode_t mode) dirty_sb(sb); inode_init_owner(&nop_mnt_idmap, inode, dir, mode); inode->i_ino = fs16_to_cpu(sbi, ino); - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_blocks = 0; memset(SYSV_I(inode)->i_data, 0, sizeof(SYSV_I(inode)->i_data)); SYSV_I(inode)->i_dir_start_lookup = 0; diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 9e8d4a6fb2f3..0aa3827d8178 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -202,8 +202,7 @@ struct inode *sysv_iget(struct super_block *sb, unsigned int ino) inode->i_size = fs32_to_cpu(sbi, raw_inode->i_size); inode->i_atime.tv_sec = fs32_to_cpu(sbi, raw_inode->i_atime); inode->i_mtime.tv_sec = fs32_to_cpu(sbi, raw_inode->i_mtime); - inode->i_ctime.tv_sec = fs32_to_cpu(sbi, raw_inode->i_ctime); - inode->i_ctime.tv_nsec = 0; + inode_set_ctime(inode, fs32_to_cpu(sbi, raw_inode->i_ctime), 0); inode->i_atime.tv_nsec = 0; inode->i_mtime.tv_nsec = 0; inode->i_blocks = 0; @@ -256,7 +255,7 @@ static int __sysv_write_inode(struct inode *inode, int wait) raw_inode->i_size = cpu_to_fs32(sbi, inode->i_size); raw_inode->i_atime = cpu_to_fs32(sbi, inode->i_atime.tv_sec); raw_inode->i_mtime = cpu_to_fs32(sbi, inode->i_mtime.tv_sec); - raw_inode->i_ctime = cpu_to_fs32(sbi, inode->i_ctime.tv_sec); + raw_inode->i_ctime = cpu_to_fs32(sbi, inode_get_ctime(inode).tv_sec); si = SYSV_I(inode); if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index 58d7f43a1371..edb94e55de8e 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -183,7 +183,7 @@ static inline int splice_branch(struct inode *inode, *where->p = where->key; write_unlock(&pointers_lock); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); /* had we spliced it onto indirect block? */ if (where->bh) @@ -423,7 +423,7 @@ do_indirects: } n++; } - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (IS_SYNC(inode)) sysv_sync_inode (inode); else @@ -449,7 +449,8 @@ int sysv_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, unsigned int flags) { struct super_block *s = path->dentry->d_sb; - generic_fillattr(&nop_mnt_idmap, d_inode(path->dentry), stat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(path->dentry), + stat); stat->blocks = (s->s_blocksize / 512) * sysv_nblocks(s, stat->size); stat->blksize = s->s_blocksize; return 0; diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index fcf163fea3ad..d6b73798071b 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -103,7 +103,7 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_link_count(inode); ihold(inode); @@ -161,7 +161,7 @@ static int sysv_unlink(struct inode * dir, struct dentry * dentry) err = sysv_delete_entry(de, page); if (!err) { - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); inode_dec_link_count(inode); } unmap_and_put_page(page, de); @@ -230,7 +230,7 @@ static int sysv_rename(struct mnt_idmap *idmap, struct inode *old_dir, unmap_and_put_page(new_page, new_de); if (err) goto out_dir; - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index 57ac8aa4a724..2feb6c58648c 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -132,7 +132,7 @@ static struct inode *tracefs_get_inode(struct super_block *sb) struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } return inode; } diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 9c9d3f0e36a4..eef9e527d9ff 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -243,8 +243,8 @@ void ubifs_dump_inode(struct ubifs_info *c, const struct inode *inode) (unsigned int)inode->i_mtime.tv_sec, (unsigned int)inode->i_mtime.tv_nsec); pr_err("\tctime %u.%u\n", - (unsigned int)inode->i_ctime.tv_sec, - (unsigned int)inode->i_ctime.tv_nsec); + (unsigned int) inode_get_ctime(inode).tv_sec, + (unsigned int) inode_get_ctime(inode).tv_nsec); pr_err("\tcreat_sqnum %llu\n", ui->creat_sqnum); pr_err("\txattr_size %u\n", ui->xattr_size); pr_err("\txattr_cnt %u\n", ui->xattr_cnt); diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index ef0499edc248..2f48c58d47cd 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -96,8 +96,7 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, struct inode *dir, inode->i_flags |= S_NOCMTIME; inode_init_owner(&nop_mnt_idmap, inode, dir, mode); - inode->i_mtime = inode->i_atime = inode->i_ctime = - current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_mapping->nrpages = 0; if (!is_xattr) { @@ -325,7 +324,7 @@ static int ubifs_create(struct mnt_idmap *idmap, struct inode *dir, mutex_lock(&dir_ui->ui_mutex); dir->i_size += sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 0, 0); if (err) goto out_cancel; @@ -765,10 +764,10 @@ static int ubifs_link(struct dentry *old_dentry, struct inode *dir, inc_nlink(inode); ihold(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); dir->i_size += sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 0, 0); if (err) goto out_cancel; @@ -838,11 +837,11 @@ static int ubifs_unlink(struct inode *dir, struct dentry *dentry) } lock_2_inodes(dir, inode); - inode->i_ctime = current_time(dir); + inode_set_ctime_current(inode); drop_nlink(inode); dir->i_size -= sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 1, 0); if (err) goto out_cancel; @@ -940,12 +939,12 @@ static int ubifs_rmdir(struct inode *dir, struct dentry *dentry) } lock_2_inodes(dir, inode); - inode->i_ctime = current_time(dir); + inode_set_ctime_current(inode); clear_nlink(inode); drop_nlink(dir); dir->i_size -= sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 1, 0); if (err) goto out_cancel; @@ -1019,7 +1018,7 @@ static int ubifs_mkdir(struct mnt_idmap *idmap, struct inode *dir, inc_nlink(dir); dir->i_size += sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 0, 0); if (err) { ubifs_err(c, "cannot create directory, error %d", err); @@ -1110,7 +1109,7 @@ static int ubifs_mknod(struct mnt_idmap *idmap, struct inode *dir, mutex_lock(&dir_ui->ui_mutex); dir->i_size += sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 0, 0); if (err) goto out_cancel; @@ -1210,7 +1209,7 @@ static int ubifs_symlink(struct mnt_idmap *idmap, struct inode *dir, mutex_lock(&dir_ui->ui_mutex); dir->i_size += sz_change; dir_ui->ui_size = dir->i_size; - dir->i_mtime = dir->i_ctime = inode->i_ctime; + dir->i_mtime = inode_set_ctime_to_ts(dir, inode_get_ctime(inode)); err = ubifs_jnl_update(c, dir, &nm, inode, 0, 0); if (err) goto out_cancel; @@ -1298,7 +1297,6 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, struct ubifs_budget_req ino_req = { .dirtied_ino = 1, .dirtied_ino_d = ALIGN(old_inode_ui->data_len, 8) }; struct ubifs_budget_req wht_req; - struct timespec64 time; unsigned int saved_nlink; struct fscrypt_name old_nm, new_nm; @@ -1414,8 +1412,7 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, * Like most other Unix systems, set the @i_ctime for inodes on a * rename. */ - time = current_time(old_dir); - old_inode->i_ctime = time; + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); /* We must adjust parent link count when renaming directories */ if (is_dir) { @@ -1444,13 +1441,11 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, old_dir->i_size -= old_sz; ubifs_inode(old_dir)->ui_size = old_dir->i_size; - old_dir->i_mtime = old_dir->i_ctime = time; - new_dir->i_mtime = new_dir->i_ctime = time; /* * And finally, if we unlinked a direntry which happened to have the * same name as the moved direntry, we have to decrement @i_nlink of - * the unlinked inode and change its ctime. + * the unlinked inode. */ if (unlink) { /* @@ -1462,7 +1457,6 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, clear_nlink(new_inode); else drop_nlink(new_inode); - new_inode->i_ctime = time; } else { new_dir->i_size += new_sz; ubifs_inode(new_dir)->ui_size = new_dir->i_size; @@ -1557,7 +1551,6 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry, int sync = IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir); struct inode *fst_inode = d_inode(old_dentry); struct inode *snd_inode = d_inode(new_dentry); - struct timespec64 time; int err; struct fscrypt_name fst_nm, snd_nm; @@ -1588,11 +1581,7 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry, lock_4_inodes(old_dir, new_dir, NULL, NULL); - time = current_time(old_dir); - fst_inode->i_ctime = time; - snd_inode->i_ctime = time; - old_dir->i_mtime = old_dir->i_ctime = time; - new_dir->i_mtime = new_dir->i_ctime = time; + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); if (old_dir != new_dir) { if (S_ISDIR(fst_inode->i_mode) && !S_ISDIR(snd_inode->i_mode)) { @@ -1665,7 +1654,7 @@ int ubifs_getattr(struct mnt_idmap *idmap, const struct path *path, STATX_ATTR_ENCRYPTED | STATX_ATTR_IMMUTABLE); - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); stat->blksize = UBIFS_BLOCK_SIZE; stat->size = ui->ui_size; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 6738fe43040b..e5382f0b2587 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1092,7 +1092,7 @@ static void do_attr_changes(struct inode *inode, const struct iattr *attr) if (attr->ia_valid & ATTR_MTIME) inode->i_mtime = attr->ia_mtime; if (attr->ia_valid & ATTR_CTIME) - inode->i_ctime = attr->ia_ctime; + inode_set_ctime_to_ts(inode, attr->ia_ctime); if (attr->ia_valid & ATTR_MODE) { umode_t mode = attr->ia_mode; @@ -1192,7 +1192,7 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode, mutex_lock(&ui->ui_mutex); ui->ui_size = inode->i_size; /* Truncation changes inode [mc]time */ - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); /* Other attributes may be changed at the same time as well */ do_attr_changes(inode, attr); err = ubifs_jnl_truncate(c, inode, old_size, new_size); @@ -1239,7 +1239,7 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode, mutex_lock(&ui->ui_mutex); if (attr->ia_valid & ATTR_SIZE) { /* Truncation changes inode [mc]time */ - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); /* 'truncate_setsize()' changed @i_size, update @ui_size */ ui->ui_size = inode->i_size; } @@ -1364,8 +1364,10 @@ out: static inline int mctime_update_needed(const struct inode *inode, const struct timespec64 *now) { + struct timespec64 ctime = inode_get_ctime(inode); + if (!timespec64_equal(&inode->i_mtime, now) || - !timespec64_equal(&inode->i_ctime, now)) + !timespec64_equal(&ctime, now)) return 1; return 0; } @@ -1376,8 +1378,7 @@ static inline int mctime_update_needed(const struct inode *inode, * * This function updates time of the inode. */ -int ubifs_update_time(struct inode *inode, struct timespec64 *time, - int flags) +int ubifs_update_time(struct inode *inode, int flags) { struct ubifs_inode *ui = ubifs_inode(inode); struct ubifs_info *c = inode->i_sb->s_fs_info; @@ -1385,21 +1386,17 @@ int ubifs_update_time(struct inode *inode, struct timespec64 *time, .dirtied_ino_d = ALIGN(ui->data_len, 8) }; int err, release; - if (!IS_ENABLED(CONFIG_UBIFS_ATIME_SUPPORT)) - return generic_update_time(inode, time, flags); + if (!IS_ENABLED(CONFIG_UBIFS_ATIME_SUPPORT)) { + generic_update_time(inode, flags); + return 0; + } err = ubifs_budget_space(c, &req); if (err) return err; mutex_lock(&ui->ui_mutex); - if (flags & S_ATIME) - inode->i_atime = *time; - if (flags & S_CTIME) - inode->i_ctime = *time; - if (flags & S_MTIME) - inode->i_mtime = *time; - + inode_update_timestamps(inode, flags); release = ui->dirty; __mark_inode_dirty(inode, I_DIRTY_SYNC); mutex_unlock(&ui->ui_mutex); @@ -1432,7 +1429,7 @@ static int update_mctime(struct inode *inode) return err; mutex_lock(&ui->ui_mutex); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); release = ui->dirty; mark_inode_dirty_sync(inode); mutex_unlock(&ui->ui_mutex); @@ -1570,7 +1567,7 @@ static vm_fault_t ubifs_vm_page_mkwrite(struct vm_fault *vmf) struct ubifs_inode *ui = ubifs_inode(inode); mutex_lock(&ui->ui_mutex); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); release = ui->dirty; mark_inode_dirty_sync(inode); mutex_unlock(&ui->ui_mutex); diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 67c5108abd89..d79cabe193c3 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -118,7 +118,7 @@ static int setflags(struct inode *inode, int flags) ui->flags &= ~ioctl2ubifs(UBIFS_SETTABLE_IOCTL_FLAGS); ui->flags |= ioctl2ubifs(flags); ubifs_set_inode_flags(inode); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); release = ui->dirty; mark_inode_dirty_sync(inode); mutex_unlock(&ui->ui_mutex); diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index dc52ac0f4a34..ffc9beee7be6 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -454,8 +454,8 @@ static void pack_inode(struct ubifs_info *c, struct ubifs_ino_node *ino, ino->creat_sqnum = cpu_to_le64(ui->creat_sqnum); ino->atime_sec = cpu_to_le64(inode->i_atime.tv_sec); ino->atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); - ino->ctime_sec = cpu_to_le64(inode->i_ctime.tv_sec); - ino->ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + ino->ctime_sec = cpu_to_le64(inode_get_ctime(inode).tv_sec); + ino->ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec); ino->mtime_sec = cpu_to_le64(inode->i_mtime.tv_sec); ino->mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); ino->uid = cpu_to_le32(i_uid_read(inode)); diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 32cb14759796..b08fb28d16b5 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -146,8 +146,8 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum) inode->i_atime.tv_nsec = le32_to_cpu(ino->atime_nsec); inode->i_mtime.tv_sec = (int64_t)le64_to_cpu(ino->mtime_sec); inode->i_mtime.tv_nsec = le32_to_cpu(ino->mtime_nsec); - inode->i_ctime.tv_sec = (int64_t)le64_to_cpu(ino->ctime_sec); - inode->i_ctime.tv_nsec = le32_to_cpu(ino->ctime_nsec); + inode_set_ctime(inode, (int64_t)le64_to_cpu(ino->ctime_sec), + le32_to_cpu(ino->ctime_nsec)); inode->i_mode = le32_to_cpu(ino->mode); inode->i_size = le64_to_cpu(ino->size); diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 4c36044140e7..ebb3ad6b5e7e 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -2027,7 +2027,7 @@ int ubifs_calc_dark(const struct ubifs_info *c, int spc); int ubifs_fsync(struct file *file, loff_t start, loff_t end, int datasync); int ubifs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr); -int ubifs_update_time(struct inode *inode, struct timespec64 *time, int flags); +int ubifs_update_time(struct inode *inode, int flags); /* dir.c */ struct inode *ubifs_new_inode(struct ubifs_info *c, struct inode *dir, diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index 349228dd1191..406c82eab513 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -134,7 +134,7 @@ static int create_xattr(struct ubifs_info *c, struct inode *host, ui->data_len = size; mutex_lock(&host_ui->ui_mutex); - host->i_ctime = current_time(host); + inode_set_ctime_current(host); host_ui->xattr_cnt += 1; host_ui->xattr_size += CALC_DENT_SIZE(fname_len(nm)); host_ui->xattr_size += CALC_XATTR_BYTES(size); @@ -215,7 +215,7 @@ static int change_xattr(struct ubifs_info *c, struct inode *host, ui->data_len = size; mutex_lock(&host_ui->ui_mutex); - host->i_ctime = current_time(host); + inode_set_ctime_current(host); host_ui->xattr_size -= CALC_XATTR_BYTES(old_size); host_ui->xattr_size += CALC_XATTR_BYTES(size); @@ -474,7 +474,7 @@ static int remove_xattr(struct ubifs_info *c, struct inode *host, return err; mutex_lock(&host_ui->ui_mutex); - host->i_ctime = current_time(host); + inode_set_ctime_current(host); host_ui->xattr_cnt -= 1; host_ui->xattr_size -= CALC_DENT_SIZE(fname_len(nm)); host_ui->xattr_size -= CALC_XATTR_BYTES(ui->data_len); diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 5f7ac8c84798..6b558cbbeb6b 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -100,7 +100,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode) iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT; else iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); iinfo->i_crtime = inode->i_mtime; if (unlikely(insert_inode_locked(inode) < 0)) { make_bad_inode(inode); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 28cdfc57d946..d089795074e8 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -910,7 +910,7 @@ static int inode_getblk(struct inode *inode, struct udf_map_rq *map) map->oflags = UDF_BLK_NEW | UDF_BLK_MAPPED; iinfo->i_next_alloc_block = map->lblk + 1; iinfo->i_next_alloc_goal = newblocknum + 1; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (IS_SYNC(inode)) udf_sync_inode(inode); @@ -1298,7 +1298,7 @@ set_size: goto out_unlock; } update_time: - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); if (IS_SYNC(inode)) udf_sync_inode(inode); else @@ -1329,6 +1329,7 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode) int bs = inode->i_sb->s_blocksize; int ret = -EIO; uint32_t uid, gid; + struct timespec64 ctime; reread: if (iloc->partitionReferenceNum >= sbi->s_partitions) { @@ -1507,7 +1508,8 @@ reread: udf_disk_stamp_to_time(&inode->i_atime, fe->accessTime); udf_disk_stamp_to_time(&inode->i_mtime, fe->modificationTime); - udf_disk_stamp_to_time(&inode->i_ctime, fe->attrTime); + udf_disk_stamp_to_time(&ctime, fe->attrTime); + inode_set_ctime_to_ts(inode, ctime); iinfo->i_unique = le64_to_cpu(fe->uniqueID); iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr); @@ -1522,7 +1524,8 @@ reread: udf_disk_stamp_to_time(&inode->i_atime, efe->accessTime); udf_disk_stamp_to_time(&inode->i_mtime, efe->modificationTime); udf_disk_stamp_to_time(&iinfo->i_crtime, efe->createTime); - udf_disk_stamp_to_time(&inode->i_ctime, efe->attrTime); + udf_disk_stamp_to_time(&ctime, efe->attrTime); + inode_set_ctime_to_ts(inode, ctime); iinfo->i_unique = le64_to_cpu(efe->uniqueID); iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr); @@ -1799,7 +1802,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime); udf_time_to_disk_stamp(&fe->modificationTime, inode->i_mtime); - udf_time_to_disk_stamp(&fe->attrTime, inode->i_ctime); + udf_time_to_disk_stamp(&fe->attrTime, inode_get_ctime(inode)); memset(&(fe->impIdent), 0, sizeof(struct regid)); strcpy(fe->impIdent.ident, UDF_ID_DEVELOPER); fe->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; @@ -1830,12 +1833,12 @@ static int udf_update_inode(struct inode *inode, int do_sync) udf_adjust_time(iinfo, inode->i_atime); udf_adjust_time(iinfo, inode->i_mtime); - udf_adjust_time(iinfo, inode->i_ctime); + udf_adjust_time(iinfo, inode_get_ctime(inode)); udf_time_to_disk_stamp(&efe->accessTime, inode->i_atime); udf_time_to_disk_stamp(&efe->modificationTime, inode->i_mtime); udf_time_to_disk_stamp(&efe->createTime, iinfo->i_crtime); - udf_time_to_disk_stamp(&efe->attrTime, inode->i_ctime); + udf_time_to_disk_stamp(&efe->attrTime, inode_get_ctime(inode)); memset(&(efe->impIdent), 0, sizeof(efe->impIdent)); strcpy(efe->impIdent.ident, UDF_ID_DEVELOPER); diff --git a/fs/udf/namei.c b/fs/udf/namei.c index a95579b043ab..ae55ab8859b6 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -365,7 +365,7 @@ static int udf_add_nondir(struct dentry *dentry, struct inode *inode) *(__le32 *)((struct allocDescImpUse *)iter.fi.icb.impUse)->impUse = cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL); udf_fiiter_write_fi(&iter, NULL); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); udf_fiiter_release(&iter); udf_add_fid_counter(dir->i_sb, false, 1); @@ -471,7 +471,7 @@ static int udf_mkdir(struct mnt_idmap *idmap, struct inode *dir, udf_fiiter_release(&iter); udf_add_fid_counter(dir->i_sb, true, 1); inc_nlink(dir); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); d_instantiate_new(dentry, inode); @@ -523,8 +523,8 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry) inode->i_size = 0; inode_dec_link_count(dir); udf_add_fid_counter(dir->i_sb, true, -1); - inode->i_ctime = dir->i_ctime = dir->i_mtime = - current_time(inode); + dir->i_mtime = inode_set_ctime_to_ts(dir, + inode_set_ctime_current(inode)); mark_inode_dirty(dir); ret = 0; end_rmdir: @@ -555,11 +555,11 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry) set_nlink(inode, 1); } udf_fiiter_delete_entry(&iter); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); inode_dec_link_count(inode); udf_add_fid_counter(dir->i_sb, false, -1); - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); ret = 0; end_unlink: udf_fiiter_release(&iter); @@ -746,9 +746,9 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, inc_nlink(inode); udf_add_fid_counter(dir->i_sb, false, 1); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); ihold(inode); d_instantiate(dentry, inode); @@ -833,7 +833,7 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); mark_inode_dirty(old_inode); /* @@ -861,13 +861,13 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, } if (new_inode) { - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); inode_dec_link_count(new_inode); udf_add_fid_counter(old_dir->i_sb, S_ISDIR(new_inode->i_mode), -1); } - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); - new_dir->i_ctime = new_dir->i_mtime = current_time(new_dir); + old_dir->i_mtime = inode_set_ctime_current(old_dir); + new_dir->i_mtime = inode_set_ctime_current(new_dir); mark_inode_dirty(old_dir); mark_inode_dirty(new_dir); diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index 779b5c2c75f6..f7eaf7b14594 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -149,7 +149,7 @@ static int udf_symlink_getattr(struct mnt_idmap *idmap, struct inode *inode = d_backing_inode(dentry); struct page *page; - generic_fillattr(&nop_mnt_idmap, inode, stat); + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); page = read_mapping_page(inode->i_mapping, 0, NULL); if (IS_ERR(page)) return PTR_ERR(page); diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 379d75796a5c..fd57f03b6c93 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -107,7 +107,7 @@ void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, ufs_commit_chunk(page, pos, len); ufs_put_page(page); if (update_times) - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); ufs_handle_dirsync(dir); } @@ -397,7 +397,7 @@ got_it: ufs_set_de_type(sb, de, inode->i_mode); ufs_commit_chunk(page, pos, rec_len); - dir->i_mtime = dir->i_ctime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); mark_inode_dirty(dir); err = ufs_handle_dirsync(dir); @@ -539,7 +539,7 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir, pde->d_reclen = cpu_to_fs16(sb, to - from); dir->d_ino = 0; ufs_commit_chunk(page, pos, to - from); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); err = ufs_handle_dirsync(inode); out: diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index 06bd84d555bd..a1e7bd9d1f98 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -292,7 +292,7 @@ cg_found: inode_init_owner(&nop_mnt_idmap, inode, dir, mode); inode->i_blocks = 0; inode->i_generation = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); ufsi->i_flags = UFS_I(dir)->i_flags; ufsi->i_lastfrag = 0; ufsi->i_shadow = 0; diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index a4246c83a8cd..21a4779a2de5 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -296,7 +296,7 @@ ufs_inode_getfrag(struct inode *inode, unsigned index, if (new) *new = 1; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (IS_SYNC(inode)) ufs_sync_inode (inode); mark_inode_dirty(inode); @@ -378,7 +378,7 @@ ufs_inode_getblock(struct inode *inode, u64 ind_block, mark_buffer_dirty(bh); if (IS_SYNC(inode)) sync_dirty_buffer(bh); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); mark_inode_dirty(inode); out: brelse (bh); @@ -580,11 +580,12 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode) inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size); inode->i_atime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec); - inode->i_ctime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec); + inode_set_ctime(inode, + (signed)fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec), + 0); inode->i_mtime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec); inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks); inode->i_generation = fs32_to_cpu(sb, ufs_inode->ui_gen); ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags); @@ -626,10 +627,10 @@ static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode) inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size); inode->i_atime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_atime); - inode->i_ctime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_ctime); + inode_set_ctime(inode, fs64_to_cpu(sb, ufs2_inode->ui_ctime), + fs32_to_cpu(sb, ufs2_inode->ui_ctimensec)); inode->i_mtime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_mtime); inode->i_atime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_atimensec); - inode->i_ctime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_ctimensec); inode->i_mtime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_mtimensec); inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks); inode->i_generation = fs32_to_cpu(sb, ufs2_inode->ui_gen); @@ -726,7 +727,8 @@ static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode) ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size); ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec); ufs_inode->ui_atime.tv_usec = 0; - ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, inode->i_ctime.tv_sec); + ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, + inode_get_ctime(inode).tv_sec); ufs_inode->ui_ctime.tv_usec = 0; ufs_inode->ui_mtime.tv_sec = cpu_to_fs32(sb, inode->i_mtime.tv_sec); ufs_inode->ui_mtime.tv_usec = 0; @@ -770,8 +772,9 @@ static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode) ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size); ufs_inode->ui_atime = cpu_to_fs64(sb, inode->i_atime.tv_sec); ufs_inode->ui_atimensec = cpu_to_fs32(sb, inode->i_atime.tv_nsec); - ufs_inode->ui_ctime = cpu_to_fs64(sb, inode->i_ctime.tv_sec); - ufs_inode->ui_ctimensec = cpu_to_fs32(sb, inode->i_ctime.tv_nsec); + ufs_inode->ui_ctime = cpu_to_fs64(sb, inode_get_ctime(inode).tv_sec); + ufs_inode->ui_ctimensec = cpu_to_fs32(sb, + inode_get_ctime(inode).tv_nsec); ufs_inode->ui_mtime = cpu_to_fs64(sb, inode->i_mtime.tv_sec); ufs_inode->ui_mtimensec = cpu_to_fs32(sb, inode->i_mtime.tv_nsec); @@ -1205,7 +1208,7 @@ static int ufs_truncate(struct inode *inode, loff_t size) truncate_setsize(inode, size); ufs_truncate_blocks(inode); - inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); out: UFSD("EXIT: err %d\n", err); diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index 36154b5aca6d..9cad29463791 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -153,7 +153,7 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir, struct inode *inode = d_inode(old_dentry); int error; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_link_count(inode); ihold(inode); @@ -220,7 +220,7 @@ static int ufs_unlink(struct inode *dir, struct dentry *dentry) if (err) goto out; - inode->i_ctime = dir->i_ctime; + inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); inode_dec_link_count(inode); err = 0; out: @@ -282,7 +282,7 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir, if (!new_de) goto out_dir; ufs_set_link(new_dir, new_de, new_page, old_inode, 1); - new_inode->i_ctime = current_time(new_inode); + inode_set_ctime_current(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); @@ -298,7 +298,7 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = current_time(old_inode); + inode_set_ctime_current(old_inode); ufs_delete_entry(old_dir, old_de, old_page); mark_inode_dirty(old_inode); diff --git a/fs/vboxsf/shfl_hostintf.h b/fs/vboxsf/shfl_hostintf.h index aca829062c12..069a019c9247 100644 --- a/fs/vboxsf/shfl_hostintf.h +++ b/fs/vboxsf/shfl_hostintf.h @@ -68,9 +68,9 @@ struct shfl_string { /** UTF-8 or UTF-16 string. Nul terminated. */ union { - u8 utf8[2]; - u16 utf16[1]; - u16 ucs2[1]; /* misnomer, use utf16. */ + u8 legacy_padding[2]; + DECLARE_FLEX_ARRAY(u8, utf8); + DECLARE_FLEX_ARRAY(u16, utf16); } string; }; VMMDEV_ASSERT_SIZE(shfl_string, 6); diff --git a/fs/vboxsf/utils.c b/fs/vboxsf/utils.c index dd0ae1188e87..83f20dd15522 100644 --- a/fs/vboxsf/utils.c +++ b/fs/vboxsf/utils.c @@ -128,8 +128,8 @@ int vboxsf_init_inode(struct vboxsf_sbi *sbi, struct inode *inode, inode->i_atime = ns_to_timespec64( info->access_time.ns_relative_to_unix_epoch); - inode->i_ctime = ns_to_timespec64( - info->change_time.ns_relative_to_unix_epoch); + inode_set_ctime_to_ts(inode, + ns_to_timespec64(info->change_time.ns_relative_to_unix_epoch)); inode->i_mtime = ns_to_timespec64( info->modification_time.ns_relative_to_unix_epoch); return 0; @@ -252,7 +252,7 @@ int vboxsf_getattr(struct mnt_idmap *idmap, const struct path *path, if (err) return err; - generic_fillattr(&nop_mnt_idmap, d_inode(dentry), kstat); + generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(dentry), kstat); return 0; } diff --git a/fs/xattr.c b/fs/xattr.c index e7bbb7f57557..efd4736bc94b 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -1040,12 +1040,32 @@ const char *xattr_full_name(const struct xattr_handler *handler, EXPORT_SYMBOL(xattr_full_name); /** - * free_simple_xattr - free an xattr object + * simple_xattr_space - estimate the memory used by a simple xattr + * @name: the full name of the xattr + * @size: the size of its value + * + * This takes no account of how much larger the two slab objects actually are: + * that would depend on the slab implementation, when what is required is a + * deterministic number, which grows with name length and size and quantity. + * + * Return: The approximate number of bytes of memory used by such an xattr. + */ +size_t simple_xattr_space(const char *name, size_t size) +{ + /* + * Use "40" instead of sizeof(struct simple_xattr), to return the + * same result on 32-bit and 64-bit, and even if simple_xattr grows. + */ + return 40 + size + strlen(name); +} + +/** + * simple_xattr_free - free an xattr object * @xattr: the xattr object * * Free the xattr object. Can handle @xattr being NULL. */ -static inline void free_simple_xattr(struct simple_xattr *xattr) +void simple_xattr_free(struct simple_xattr *xattr) { if (xattr) kfree(xattr->name); @@ -1073,7 +1093,7 @@ struct simple_xattr *simple_xattr_alloc(const void *value, size_t size) if (len < sizeof(*new_xattr)) return NULL; - new_xattr = kvmalloc(len, GFP_KERNEL); + new_xattr = kvmalloc(len, GFP_KERNEL_ACCOUNT); if (!new_xattr) return NULL; @@ -1164,7 +1184,6 @@ int simple_xattr_get(struct simple_xattrs *xattrs, const char *name, * @value: the value to store along the xattr * @size: the size of @value * @flags: the flags determining how to set the xattr - * @removed_size: the size of the removed xattr * * Set a new xattr object. * If @value is passed a new xattr object will be allocated. If XATTR_REPLACE @@ -1181,29 +1200,27 @@ int simple_xattr_get(struct simple_xattrs *xattrs, const char *name, * nothing if XATTR_CREATE is specified in @flags or @flags is zero. For * XATTR_REPLACE we fail as mentioned above. * - * Return: On success zero and on error a negative error code is returned. + * Return: On success, the removed or replaced xattr is returned, to be freed + * by the caller; or NULL if none. On failure a negative error code is returned. */ -int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, - const void *value, size_t size, int flags, - ssize_t *removed_size) +struct simple_xattr *simple_xattr_set(struct simple_xattrs *xattrs, + const char *name, const void *value, + size_t size, int flags) { - struct simple_xattr *xattr = NULL, *new_xattr = NULL; + struct simple_xattr *old_xattr = NULL, *new_xattr = NULL; struct rb_node *parent = NULL, **rbp; int err = 0, ret; - if (removed_size) - *removed_size = -1; - /* value == NULL means remove */ if (value) { new_xattr = simple_xattr_alloc(value, size); if (!new_xattr) - return -ENOMEM; + return ERR_PTR(-ENOMEM); - new_xattr->name = kstrdup(name, GFP_KERNEL); + new_xattr->name = kstrdup(name, GFP_KERNEL_ACCOUNT); if (!new_xattr->name) { - free_simple_xattr(new_xattr); - return -ENOMEM; + simple_xattr_free(new_xattr); + return ERR_PTR(-ENOMEM); } } @@ -1217,12 +1234,12 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, else if (ret > 0) rbp = &(*rbp)->rb_right; else - xattr = rb_entry(*rbp, struct simple_xattr, rb_node); - if (xattr) + old_xattr = rb_entry(*rbp, struct simple_xattr, rb_node); + if (old_xattr) break; } - if (xattr) { + if (old_xattr) { /* Fail if XATTR_CREATE is requested and the xattr exists. */ if (flags & XATTR_CREATE) { err = -EEXIST; @@ -1230,12 +1247,10 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, } if (new_xattr) - rb_replace_node(&xattr->rb_node, &new_xattr->rb_node, - &xattrs->rb_root); + rb_replace_node(&old_xattr->rb_node, + &new_xattr->rb_node, &xattrs->rb_root); else - rb_erase(&xattr->rb_node, &xattrs->rb_root); - if (!err && removed_size) - *removed_size = xattr->size; + rb_erase(&old_xattr->rb_node, &xattrs->rb_root); } else { /* Fail if XATTR_REPLACE is requested but no xattr is found. */ if (flags & XATTR_REPLACE) { @@ -1260,12 +1275,10 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, out_unlock: write_unlock(&xattrs->lock); - if (err) - free_simple_xattr(new_xattr); - else - free_simple_xattr(xattr); - return err; - + if (!err) + return old_xattr; + simple_xattr_free(new_xattr); + return ERR_PTR(err); } static bool xattr_is_trusted(const char *name) @@ -1370,14 +1383,17 @@ void simple_xattrs_init(struct simple_xattrs *xattrs) /** * simple_xattrs_free - free xattrs * @xattrs: xattr header whose xattrs to destroy + * @freed_space: approximate number of bytes of memory freed from @xattrs * * Destroy all xattrs in @xattr. When this is called no one can hold a * reference to any of the xattrs anymore. */ -void simple_xattrs_free(struct simple_xattrs *xattrs) +void simple_xattrs_free(struct simple_xattrs *xattrs, size_t *freed_space) { struct rb_node *rbp; + if (freed_space) + *freed_space = 0; rbp = rb_first(&xattrs->rb_root); while (rbp) { struct simple_xattr *xattr; @@ -1386,7 +1402,10 @@ void simple_xattrs_free(struct simple_xattrs *xattrs) rbp_next = rb_next(rbp); xattr = rb_entry(rbp, struct simple_xattr, rb_node); rb_erase(&xattr->rb_node, &xattrs->rb_root); - free_simple_xattr(xattr); + if (freed_space) + *freed_space += simple_xattr_space(xattr->name, + xattr->size); + simple_xattr_free(xattr); rbp = rbp_next; } } diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 758aacd8166b..a35781577cad 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -222,7 +222,8 @@ xfs_inode_from_disk( */ inode->i_atime = xfs_inode_from_disk_ts(from, from->di_atime); inode->i_mtime = xfs_inode_from_disk_ts(from, from->di_mtime); - inode->i_ctime = xfs_inode_from_disk_ts(from, from->di_ctime); + inode_set_ctime_to_ts(inode, + xfs_inode_from_disk_ts(from, from->di_ctime)); ip->i_disk_size = be64_to_cpu(from->di_size); ip->i_nblocks = be64_to_cpu(from->di_nblocks); @@ -316,7 +317,7 @@ xfs_inode_to_disk( to->di_atime = xfs_inode_to_disk_ts(ip, inode->i_atime); to->di_mtime = xfs_inode_to_disk_ts(ip, inode->i_mtime); - to->di_ctime = xfs_inode_to_disk_ts(ip, inode->i_ctime); + to->di_ctime = xfs_inode_to_disk_ts(ip, inode_get_ctime(inode)); to->di_nlink = cpu_to_be32(inode->i_nlink); to->di_gen = cpu_to_be32(inode->i_generation); to->di_mode = cpu_to_be16(inode->i_mode); diff --git a/fs/xfs/libxfs/xfs_trans_inode.c b/fs/xfs/libxfs/xfs_trans_inode.c index cb4796b6e693..ad22656376d3 100644 --- a/fs/xfs/libxfs/xfs_trans_inode.c +++ b/fs/xfs/libxfs/xfs_trans_inode.c @@ -62,12 +62,12 @@ xfs_trans_ichgtime( ASSERT(tp); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - tv = current_time(inode); + /* If the mtime changes, then ctime must also change */ + ASSERT(flags & XFS_ICHGTIME_CHG); + tv = inode_set_ctime_current(inode); if (flags & XFS_ICHGTIME_MOD) inode->i_mtime = tv; - if (flags & XFS_ICHGTIME_CHG) - inode->i_ctime = tv; if (flags & XFS_ICHGTIME_CREATE) ip->i_crtime = tv; } diff --git a/fs/xfs/scrub/fscounters.c b/fs/xfs/scrub/fscounters.c index e382a35e98d8..05be757668bb 100644 --- a/fs/xfs/scrub/fscounters.c +++ b/fs/xfs/scrub/fscounters.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2019-2023 Oracle. All Rights Reserved. * Author: Darrick J. Wong <djwong@kernel.org> @@ -8,6 +8,8 @@ #include "xfs_shared.h" #include "xfs_format.h" #include "xfs_trans_resv.h" +#include "xfs_log_format.h" +#include "xfs_trans.h" #include "xfs_mount.h" #include "xfs_alloc.h" #include "xfs_ialloc.h" @@ -16,6 +18,7 @@ #include "xfs_ag.h" #include "xfs_rtalloc.h" #include "xfs_inode.h" +#include "xfs_icache.h" #include "scrub/scrub.h" #include "scrub/common.h" #include "scrub/trace.h" @@ -53,6 +56,7 @@ struct xchk_fscounters { uint64_t frextents; unsigned long long icount_min; unsigned long long icount_max; + bool frozen; }; /* @@ -123,6 +127,82 @@ xchk_fscount_warmup( return error; } +static inline int +xchk_fsfreeze( + struct xfs_scrub *sc) +{ + int error; + + error = freeze_super(sc->mp->m_super, FREEZE_HOLDER_KERNEL); + trace_xchk_fsfreeze(sc, error); + return error; +} + +static inline int +xchk_fsthaw( + struct xfs_scrub *sc) +{ + int error; + + /* This should always succeed, we have a kernel freeze */ + error = thaw_super(sc->mp->m_super, FREEZE_HOLDER_KERNEL); + trace_xchk_fsthaw(sc, error); + return error; +} + +/* + * We couldn't stabilize the filesystem long enough to sample all the variables + * that comprise the summary counters and compare them to the percpu counters. + * We need to disable all writer threads, which means taking the first two + * freeze levels to put userspace to sleep, and the third freeze level to + * prevent background threads from starting new transactions. Take one level + * more to prevent other callers from unfreezing the filesystem while we run. + */ +STATIC int +xchk_fscounters_freeze( + struct xfs_scrub *sc) +{ + struct xchk_fscounters *fsc = sc->buf; + int error = 0; + + if (sc->flags & XCHK_HAVE_FREEZE_PROT) { + sc->flags &= ~XCHK_HAVE_FREEZE_PROT; + mnt_drop_write_file(sc->file); + } + + /* Try to grab a kernel freeze. */ + while ((error = xchk_fsfreeze(sc)) == -EBUSY) { + if (xchk_should_terminate(sc, &error)) + return error; + + delay(HZ / 10); + } + if (error) + return error; + + fsc->frozen = true; + return 0; +} + +/* Thaw the filesystem after checking or repairing fscounters. */ +STATIC void +xchk_fscounters_cleanup( + void *buf) +{ + struct xchk_fscounters *fsc = buf; + struct xfs_scrub *sc = fsc->sc; + int error; + + if (!fsc->frozen) + return; + + error = xchk_fsthaw(sc); + if (error) + xfs_emerg(sc->mp, "still frozen after scrub, err=%d", error); + else + fsc->frozen = false; +} + int xchk_setup_fscounters( struct xfs_scrub *sc) @@ -140,6 +220,7 @@ xchk_setup_fscounters( sc->buf = kzalloc(sizeof(struct xchk_fscounters), XCHK_GFP_FLAGS); if (!sc->buf) return -ENOMEM; + sc->buf_cleanup = xchk_fscounters_cleanup; fsc = sc->buf; fsc->sc = sc; @@ -150,7 +231,18 @@ xchk_setup_fscounters( if (error) return error; - return xchk_trans_alloc(sc, 0); + /* + * Pause all writer activity in the filesystem while we're scrubbing to + * reduce the likelihood of background perturbations to the counters + * throwing off our calculations. + */ + if (sc->flags & XCHK_TRY_HARDER) { + error = xchk_fscounters_freeze(sc); + if (error) + return error; + } + + return xfs_trans_alloc_empty(sc->mp, &sc->tp); } /* @@ -290,8 +382,7 @@ retry: if (fsc->ifree > fsc->icount) { if (tries--) goto retry; - xchk_set_incomplete(sc); - return 0; + return -EDEADLOCK; } return 0; @@ -367,6 +458,8 @@ xchk_fscount_count_frextents( * Otherwise, we /might/ have a problem. If the change in the summations is * more than we want to tolerate, the filesystem is probably busy and we should * just send back INCOMPLETE and see if userspace will try again. + * + * If we're repairing then we require an exact match. */ static inline bool xchk_fscount_within_range( @@ -396,21 +489,7 @@ xchk_fscount_within_range( if (expected >= min_value && expected <= max_value) return true; - /* - * If the difference between the two summations is too large, the fs - * might just be busy and so we'll mark the scrub incomplete. Return - * true here so that we don't mark the counter corrupt. - * - * XXX: In the future when userspace can grant scrub permission to - * quiesce the filesystem to solve the outsized variance problem, this - * check should be moved up and the return code changed to signal to - * userspace that we need quiesce permission. - */ - if (max_value - min_value >= XCHK_FSCOUNT_MIN_VARIANCE) { - xchk_set_incomplete(sc); - return true; - } - + /* Everything else is bad. */ return false; } @@ -422,6 +501,7 @@ xchk_fscounters( struct xfs_mount *mp = sc->mp; struct xchk_fscounters *fsc = sc->buf; int64_t icount, ifree, fdblocks, frextents; + bool try_again = false; int error; /* Snapshot the percpu counters. */ @@ -431,9 +511,26 @@ xchk_fscounters( frextents = percpu_counter_sum(&mp->m_frextents); /* No negative values, please! */ - if (icount < 0 || ifree < 0 || fdblocks < 0 || frextents < 0) + if (icount < 0 || ifree < 0) xchk_set_corrupt(sc); + /* + * If the filesystem is not frozen, the counter summation calls above + * can race with xfs_mod_freecounter, which subtracts a requested space + * reservation from the counter and undoes the subtraction if that made + * the counter go negative. Therefore, it's possible to see negative + * values here, and we should only flag that as a corruption if we + * froze the fs. This is much more likely to happen with frextents + * since there are no reserved pools. + */ + if (fdblocks < 0 || frextents < 0) { + if (!fsc->frozen) + return -EDEADLOCK; + + xchk_set_corrupt(sc); + return 0; + } + /* See if icount is obviously wrong. */ if (icount < fsc->icount_min || icount > fsc->icount_max) xchk_set_corrupt(sc); @@ -447,12 +544,6 @@ xchk_fscounters( xchk_set_corrupt(sc); /* - * XXX: We can't quiesce percpu counter updates, so exit early. - * This can be re-enabled when we gain exclusive freeze functionality. - */ - return 0; - - /* * If ifree exceeds icount by more than the minimum variance then * something's probably wrong with the counters. */ @@ -463,8 +554,6 @@ xchk_fscounters( error = xchk_fscount_aggregate_agcounts(sc, fsc); if (!xchk_process_error(sc, 0, XFS_SB_BLOCK(mp), &error)) return error; - if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_INCOMPLETE) - return 0; /* Count the free extents counter for rt volumes. */ error = xchk_fscount_count_frextents(sc, fsc); @@ -473,20 +562,45 @@ xchk_fscounters( if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_INCOMPLETE) return 0; - /* Compare the in-core counters with whatever we counted. */ - if (!xchk_fscount_within_range(sc, icount, &mp->m_icount, fsc->icount)) - xchk_set_corrupt(sc); + /* + * Compare the in-core counters with whatever we counted. If the fs is + * frozen, we treat the discrepancy as a corruption because the freeze + * should have stabilized the counter values. Otherwise, we need + * userspace to call us back having granted us freeze permission. + */ + if (!xchk_fscount_within_range(sc, icount, &mp->m_icount, + fsc->icount)) { + if (fsc->frozen) + xchk_set_corrupt(sc); + else + try_again = true; + } - if (!xchk_fscount_within_range(sc, ifree, &mp->m_ifree, fsc->ifree)) - xchk_set_corrupt(sc); + if (!xchk_fscount_within_range(sc, ifree, &mp->m_ifree, fsc->ifree)) { + if (fsc->frozen) + xchk_set_corrupt(sc); + else + try_again = true; + } if (!xchk_fscount_within_range(sc, fdblocks, &mp->m_fdblocks, - fsc->fdblocks)) - xchk_set_corrupt(sc); + fsc->fdblocks)) { + if (fsc->frozen) + xchk_set_corrupt(sc); + else + try_again = true; + } if (!xchk_fscount_within_range(sc, frextents, &mp->m_frextents, - fsc->frextents)) - xchk_set_corrupt(sc); + fsc->frextents)) { + if (fsc->frozen) + xchk_set_corrupt(sc); + else + try_again = true; + } + + if (try_again) + return -EDEADLOCK; return 0; } diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c index 3d98f604765e..a0fffbcd022b 100644 --- a/fs/xfs/scrub/scrub.c +++ b/fs/xfs/scrub/scrub.c @@ -184,8 +184,10 @@ xchk_teardown( xchk_irele(sc, sc->ip); sc->ip = NULL; } - if (sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) + if (sc->flags & XCHK_HAVE_FREEZE_PROT) { + sc->flags &= ~XCHK_HAVE_FREEZE_PROT; mnt_drop_write_file(sc->file); + } if (sc->buf) { if (sc->buf_cleanup) sc->buf_cleanup(sc->buf); @@ -505,6 +507,8 @@ retry_op: error = mnt_want_write_file(sc->file); if (error) goto out_sc; + + sc->flags |= XCHK_HAVE_FREEZE_PROT; } /* Set up for the operation. */ diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h index e113f2f5c254..f8ba00e51ca9 100644 --- a/fs/xfs/scrub/scrub.h +++ b/fs/xfs/scrub/scrub.h @@ -106,6 +106,7 @@ struct xfs_scrub { /* XCHK state flags grow up from zero, XREP state flags grown down from 2^31 */ #define XCHK_TRY_HARDER (1U << 0) /* can't get resources, try again */ +#define XCHK_HAVE_FREEZE_PROT (1U << 1) /* do we have freeze protection? */ #define XCHK_FSGATES_DRAIN (1U << 2) /* defer ops draining enabled */ #define XCHK_NEED_DRAIN (1U << 3) /* scrub needs to drain defer ops */ #define XREP_ALREADY_FIXED (1U << 31) /* checking our repair work */ diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h index b3894daeb86a..0b54f1a1cf0c 100644 --- a/fs/xfs/scrub/trace.h +++ b/fs/xfs/scrub/trace.h @@ -98,6 +98,7 @@ TRACE_DEFINE_ENUM(XFS_SCRUB_TYPE_FSCOUNTERS); #define XFS_SCRUB_STATE_STRINGS \ { XCHK_TRY_HARDER, "try_harder" }, \ + { XCHK_HAVE_FREEZE_PROT, "nofreeze" }, \ { XCHK_FSGATES_DRAIN, "fsgates_drain" }, \ { XCHK_NEED_DRAIN, "need_drain" }, \ { XREP_ALREADY_FIXED, "already_fixed" } @@ -693,6 +694,31 @@ TRACE_EVENT(xchk_fscounters_within_range, __entry->old_value) ) +DECLARE_EVENT_CLASS(xchk_fsfreeze_class, + TP_PROTO(struct xfs_scrub *sc, int error), + TP_ARGS(sc, error), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(unsigned int, type) + __field(int, error) + ), + TP_fast_assign( + __entry->dev = sc->mp->m_super->s_dev; + __entry->type = sc->sm->sm_type; + __entry->error = error; + ), + TP_printk("dev %d:%d type %s error %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __print_symbolic(__entry->type, XFS_SCRUB_TYPE_STRINGS), + __entry->error) +); +#define DEFINE_XCHK_FSFREEZE_EVENT(name) \ +DEFINE_EVENT(xchk_fsfreeze_class, name, \ + TP_PROTO(struct xfs_scrub *sc, int error), \ + TP_ARGS(sc, error)) +DEFINE_XCHK_FSFREEZE_EVENT(xchk_fsfreeze); +DEFINE_XCHK_FSFREEZE_EVENT(xchk_fsthaw); + TRACE_EVENT(xchk_refcount_incorrect, TP_PROTO(struct xfs_perag *pag, const struct xfs_refcount_irec *irec, xfs_nlink_t seen), diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 791db7d9c849..6b840301817a 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -233,7 +233,7 @@ xfs_acl_set_mode( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); inode->i_mode = mode; - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); if (xfs_has_wsync(mp)) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index fbb675563208..fcefab687285 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1644,6 +1644,7 @@ xfs_swap_extents( uint64_t f; int resblks = 0; unsigned int flags = 0; + struct timespec64 ctime; /* * Lock the inodes against other IO, page faults and truncate to @@ -1756,8 +1757,9 @@ xfs_swap_extents( * process that the file was not changed out from * under it. */ - if ((sbp->bs_ctime.tv_sec != VFS_I(ip)->i_ctime.tv_sec) || - (sbp->bs_ctime.tv_nsec != VFS_I(ip)->i_ctime.tv_nsec) || + ctime = inode_get_ctime(VFS_I(ip)); + if ((sbp->bs_ctime.tv_sec != ctime.tv_sec) || + (sbp->bs_ctime.tv_nsec != ctime.tv_nsec) || (sbp->bs_mtime.tv_sec != VFS_I(ip)->i_mtime.tv_sec) || (sbp->bs_mtime.tv_nsec != VFS_I(ip)->i_mtime.tv_nsec)) { error = -EBUSY; diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 15d1e5a7c2d3..3b903f6bce98 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1938,14 +1938,17 @@ void xfs_free_buftarg( struct xfs_buftarg *btp) { + struct block_device *bdev = btp->bt_bdev; + unregister_shrinker(&btp->bt_shrinker); ASSERT(percpu_counter_sum(&btp->bt_io_count) == 0); percpu_counter_destroy(&btp->bt_io_count); list_lru_destroy(&btp->bt_lru); - blkdev_issue_flush(btp->bt_bdev); - invalidate_bdev(btp->bt_bdev); fs_put_dax(btp->bt_daxdev, btp->bt_mount); + /* the main block device is closed by kill_block_super */ + if (bdev != btp->bt_mount->m_super->s_bdev) + blkdev_put(bdev, btp->bt_mount->m_super); kmem_free(btp); } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 9e62cc500140..360fe83a334f 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -843,10 +843,9 @@ xfs_init_new_inode( ip->i_df.if_nextents = 0; ASSERT(ip->i_nblocks == 0); - tv = current_time(inode); + tv = inode_set_ctime_current(inode); inode->i_mtime = tv; inode->i_atime = tv; - inode->i_ctime = tv; ip->i_extsize = 0; ip->i_diflags = 0; diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 91c847a84e10..127b2410eb20 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -528,7 +528,7 @@ xfs_inode_to_log_dinode( memset(to->di_pad3, 0, sizeof(to->di_pad3)); to->di_atime = xfs_inode_to_log_dinode_ts(ip, inode->i_atime); to->di_mtime = xfs_inode_to_log_dinode_ts(ip, inode->i_mtime); - to->di_ctime = xfs_inode_to_log_dinode_ts(ip, inode->i_ctime); + to->di_ctime = xfs_inode_to_log_dinode_ts(ip, inode_get_ctime(inode)); to->di_nlink = inode->i_nlink; to->di_gen = inode->i_generation; to->di_mode = inode->i_mode; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 24718adb3c16..2ededd3f6b8c 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -573,10 +573,10 @@ xfs_vn_getattr( stat->gid = vfsgid_into_kgid(vfsgid); stat->ino = ip->i_ino; stat->atime = inode->i_atime; - stat->mtime = inode->i_mtime; - stat->ctime = inode->i_ctime; stat->blocks = XFS_FSB_TO_BB(mp, ip->i_nblocks + ip->i_delayed_blks); + fill_mg_cmtime(stat, request_mask, inode); + if (xfs_has_v3inodes(mp)) { if (request_mask & STATX_BTIME) { stat->result_mask |= STATX_BTIME; @@ -917,7 +917,7 @@ xfs_setattr_size( if (newsize != oldsize && !(iattr->ia_valid & (ATTR_CTIME | ATTR_MTIME))) { iattr->ia_ctime = iattr->ia_mtime = - current_time(inode); + current_mgtime(inode); iattr->ia_valid |= ATTR_CTIME | ATTR_MTIME; } @@ -1029,7 +1029,6 @@ xfs_vn_setattr( STATIC int xfs_vn_update_time( struct inode *inode, - struct timespec64 *now, int flags) { struct xfs_inode *ip = XFS_I(inode); @@ -1037,13 +1036,16 @@ xfs_vn_update_time( int log_flags = XFS_ILOG_TIMESTAMP; struct xfs_trans *tp; int error; + struct timespec64 now; trace_xfs_update_time(ip); if (inode->i_sb->s_flags & SB_LAZYTIME) { if (!((flags & S_VERSION) && - inode_maybe_inc_iversion(inode, false))) - return generic_update_time(inode, now, flags); + inode_maybe_inc_iversion(inode, false))) { + generic_update_time(inode, flags); + return 0; + } /* Capture the iversion update that just occurred */ log_flags |= XFS_ILOG_CORE; @@ -1054,12 +1056,15 @@ xfs_vn_update_time( return error; xfs_ilock(ip, XFS_ILOCK_EXCL); - if (flags & S_CTIME) - inode->i_ctime = *now; + if (flags & (S_CTIME|S_MTIME)) + now = inode_set_ctime_current(inode); + else + now = current_time(inode); + if (flags & S_MTIME) - inode->i_mtime = *now; + inode->i_mtime = now; if (flags & S_ATIME) - inode->i_atime = *now; + inode->i_atime = now; xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); xfs_trans_log_inode(tp, ip, log_flags); diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index f225413a993c..c2093cb56092 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -100,8 +100,8 @@ xfs_bulkstat_one_int( buf->bs_atime_nsec = inode->i_atime.tv_nsec; buf->bs_mtime = inode->i_mtime.tv_sec; buf->bs_mtime_nsec = inode->i_mtime.tv_nsec; - buf->bs_ctime = inode->i_ctime.tv_sec; - buf->bs_ctime_nsec = inode->i_ctime.tv_nsec; + buf->bs_ctime = inode_get_ctime(inode).tv_sec; + buf->bs_ctime_nsec = inode_get_ctime(inode).tv_nsec; buf->bs_gen = inode->i_generation; buf->bs_mode = inode->i_mode; diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 818510243130..c79eac048456 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -377,17 +377,6 @@ disable_dax: return 0; } -static void -xfs_bdev_mark_dead( - struct block_device *bdev) -{ - xfs_force_shutdown(bdev->bd_holder, SHUTDOWN_DEVICE_REMOVED); -} - -static const struct blk_holder_ops xfs_holder_ops = { - .mark_dead = xfs_bdev_mark_dead, -}; - STATIC int xfs_blkdev_get( xfs_mount_t *mp, @@ -396,8 +385,8 @@ xfs_blkdev_get( { int error = 0; - *bdevp = blkdev_get_by_path(name, BLK_OPEN_READ | BLK_OPEN_WRITE, mp, - &xfs_holder_ops); + *bdevp = blkdev_get_by_path(name, BLK_OPEN_READ | BLK_OPEN_WRITE, + mp->m_super, &fs_holder_ops); if (IS_ERR(*bdevp)) { error = PTR_ERR(*bdevp); xfs_warn(mp, "Invalid device [%s], error=%d", name, error); @@ -407,31 +396,45 @@ xfs_blkdev_get( } STATIC void -xfs_blkdev_put( - struct xfs_mount *mp, - struct block_device *bdev) -{ - if (bdev) - blkdev_put(bdev, mp); -} - -STATIC void -xfs_close_devices( +xfs_shutdown_devices( struct xfs_mount *mp) { + /* + * Udev is triggered whenever anyone closes a block device or unmounts + * a file systemm on a block device. + * The default udev rules invoke blkid to read the fs super and create + * symlinks to the bdev under /dev/disk. For this, it uses buffered + * reads through the page cache. + * + * xfs_db also uses buffered reads to examine metadata. There is no + * coordination between xfs_db and udev, which means that they can run + * concurrently. Note there is no coordination between the kernel and + * blkid either. + * + * On a system with 64k pages, the page cache can cache the superblock + * and the root inode (and hence the root directory) with the same 64k + * page. If udev spawns blkid after the mkfs and the system is busy + * enough that it is still running when xfs_db starts up, they'll both + * read from the same page in the pagecache. + * + * The unmount writes updated inode metadata to disk directly. The XFS + * buffer cache does not use the bdev pagecache, so it needs to + * invalidate that pagecache on unmount. If the above scenario occurs, + * the pagecache no longer reflects what's on disk, xfs_db reads the + * stale metadata, and fails to find /a. Most of the time this succeeds + * because closing a bdev invalidates the page cache, but when processes + * race, everyone loses. + */ if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) { - struct block_device *logdev = mp->m_logdev_targp->bt_bdev; - - xfs_free_buftarg(mp->m_logdev_targp); - xfs_blkdev_put(mp, logdev); + blkdev_issue_flush(mp->m_logdev_targp->bt_bdev); + invalidate_bdev(mp->m_logdev_targp->bt_bdev); } if (mp->m_rtdev_targp) { - struct block_device *rtdev = mp->m_rtdev_targp->bt_bdev; - - xfs_free_buftarg(mp->m_rtdev_targp); - xfs_blkdev_put(mp, rtdev); + blkdev_issue_flush(mp->m_rtdev_targp->bt_bdev); + invalidate_bdev(mp->m_rtdev_targp->bt_bdev); } - xfs_free_buftarg(mp->m_ddev_targp); + blkdev_issue_flush(mp->m_ddev_targp->bt_bdev); + invalidate_bdev(mp->m_ddev_targp->bt_bdev); } /* @@ -448,17 +451,24 @@ STATIC int xfs_open_devices( struct xfs_mount *mp) { - struct block_device *ddev = mp->m_super->s_bdev; + struct super_block *sb = mp->m_super; + struct block_device *ddev = sb->s_bdev; struct block_device *logdev = NULL, *rtdev = NULL; int error; /* + * blkdev_put() can't be called under s_umount, see the comment + * in get_tree_bdev() for more details + */ + up_write(&sb->s_umount); + + /* * Open real time and log devices - order is important. */ if (mp->m_logname) { error = xfs_blkdev_get(mp, mp->m_logname, &logdev); if (error) - return error; + goto out_relock; } if (mp->m_rtname) { @@ -496,7 +506,10 @@ xfs_open_devices( mp->m_logdev_targp = mp->m_ddev_targp; } - return 0; + error = 0; +out_relock: + down_write(&sb->s_umount); + return error; out_free_rtdev_targ: if (mp->m_rtdev_targp) @@ -504,11 +517,12 @@ xfs_open_devices( out_free_ddev_targ: xfs_free_buftarg(mp->m_ddev_targp); out_close_rtdev: - xfs_blkdev_put(mp, rtdev); + if (rtdev) + blkdev_put(rtdev, sb); out_close_logdev: if (logdev && logdev != ddev) - xfs_blkdev_put(mp, logdev); - return error; + blkdev_put(logdev, sb); + goto out_relock; } /* @@ -758,6 +772,17 @@ static void xfs_mount_free( struct xfs_mount *mp) { + /* + * Free the buftargs here because blkdev_put needs to be called outside + * of sb->s_umount, which is held around the call to ->put_super. + */ + if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) + xfs_free_buftarg(mp->m_logdev_targp); + if (mp->m_rtdev_targp) + xfs_free_buftarg(mp->m_rtdev_targp); + if (mp->m_ddev_targp) + xfs_free_buftarg(mp->m_ddev_targp); + kfree(mp->m_rtname); kfree(mp->m_logname); kmem_free(mp); @@ -1133,10 +1158,6 @@ xfs_fs_put_super( { struct xfs_mount *mp = XFS_M(sb); - /* if ->fill_super failed, we have no mount to tear down */ - if (!sb->s_fs_info) - return; - xfs_notice(mp, "Unmounting Filesystem %pU", &mp->m_sb.sb_uuid); xfs_filestream_unmount(mp); xfs_unmountfs(mp); @@ -1147,10 +1168,7 @@ xfs_fs_put_super( xfs_inodegc_free_percpu(mp); xfs_destroy_percpu_counters(mp); xfs_destroy_mount_workqueues(mp); - xfs_close_devices(mp); - - sb->s_fs_info = NULL; - xfs_mount_free(mp); + xfs_shutdown_devices(mp); } static long @@ -1492,7 +1510,7 @@ xfs_fs_fill_super( error = xfs_fs_validate_params(mp); if (error) - goto out_free_names; + return error; sb_min_blocksize(sb, BBSIZE); sb->s_xattr = xfs_xattr_handlers; @@ -1519,11 +1537,11 @@ xfs_fs_fill_super( error = xfs_open_devices(mp); if (error) - goto out_free_names; + return error; error = xfs_init_mount_workqueues(mp); if (error) - goto out_close_devices; + goto out_shutdown_devices; error = xfs_init_percpu_counters(mp); if (error) @@ -1737,11 +1755,8 @@ xfs_fs_fill_super( xfs_destroy_percpu_counters(mp); out_destroy_workqueues: xfs_destroy_mount_workqueues(mp); - out_close_devices: - xfs_close_devices(mp); - out_free_names: - sb->s_fs_info = NULL; - xfs_mount_free(mp); + out_shutdown_devices: + xfs_shutdown_devices(mp); return error; out_unmount: @@ -1934,7 +1949,8 @@ xfs_fs_reconfigure( return 0; } -static void xfs_fs_free( +static void +xfs_fs_free( struct fs_context *fc) { struct xfs_mount *mp = fc->s_fs_info; @@ -2003,13 +2019,21 @@ static int xfs_init_fs_context( return 0; } +static void +xfs_kill_sb( + struct super_block *sb) +{ + kill_block_super(sb); + xfs_mount_free(XFS_M(sb)); +} + static struct file_system_type xfs_fs_type = { .owner = THIS_MODULE, .name = "xfs", .init_fs_context = xfs_init_fs_context, .parameters = xfs_fs_parameters, - .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, + .kill_sb = xfs_kill_sb, + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME, }; MODULE_ALIAS_FS("xfs"); diff --git a/fs/zonefs/file.c b/fs/zonefs/file.c index 92c9aaae3663..789cfb74c146 100644 --- a/fs/zonefs/file.c +++ b/fs/zonefs/file.c @@ -341,77 +341,6 @@ static loff_t zonefs_file_llseek(struct file *file, loff_t offset, int whence) return generic_file_llseek_size(file, offset, whence, isize, isize); } -struct zonefs_zone_append_bio { - /* The target inode of the BIO */ - struct inode *inode; - - /* For sync writes, the target append write offset */ - u64 append_offset; - - /* - * This member must come last, bio_alloc_bioset will allocate enough - * bytes for entire zonefs_bio but relies on bio being last. - */ - struct bio bio; -}; - -static inline struct zonefs_zone_append_bio * -zonefs_zone_append_bio(struct bio *bio) -{ - return container_of(bio, struct zonefs_zone_append_bio, bio); -} - -static void zonefs_file_zone_append_dio_bio_end_io(struct bio *bio) -{ - struct zonefs_zone_append_bio *za_bio = zonefs_zone_append_bio(bio); - struct zonefs_zone *z = zonefs_inode_zone(za_bio->inode); - sector_t za_sector; - - if (bio->bi_status != BLK_STS_OK) - goto bio_end; - - /* - * If the file zone was written underneath the file system, the zone - * append operation can still succedd (if the zone is not full) but - * the write append location will not be where we expect it to be. - * Check that we wrote where we intended to, that is, at z->z_wpoffset. - */ - za_sector = z->z_sector + (za_bio->append_offset >> SECTOR_SHIFT); - if (bio->bi_iter.bi_sector != za_sector) { - zonefs_warn(za_bio->inode->i_sb, - "Invalid write sector %llu for zone at %llu\n", - bio->bi_iter.bi_sector, z->z_sector); - bio->bi_status = BLK_STS_IOERR; - } - -bio_end: - iomap_dio_bio_end_io(bio); -} - -static void zonefs_file_zone_append_dio_submit_io(const struct iomap_iter *iter, - struct bio *bio, - loff_t file_offset) -{ - struct zonefs_zone_append_bio *za_bio = zonefs_zone_append_bio(bio); - struct inode *inode = iter->inode; - struct zonefs_zone *z = zonefs_inode_zone(inode); - - /* - * Issue a zone append BIO to process sync dio writes. The append - * file offset is saved to check the zone append write location - * on completion of the BIO. - */ - za_bio->inode = inode; - za_bio->append_offset = file_offset; - - bio->bi_opf &= ~REQ_OP_WRITE; - bio->bi_opf |= REQ_OP_ZONE_APPEND; - bio->bi_iter.bi_sector = z->z_sector; - bio->bi_end_io = zonefs_file_zone_append_dio_bio_end_io; - - submit_bio(bio); -} - static int zonefs_file_write_dio_end_io(struct kiocb *iocb, ssize_t size, int error, unsigned int flags) { @@ -442,14 +371,6 @@ static int zonefs_file_write_dio_end_io(struct kiocb *iocb, ssize_t size, return 0; } -static struct bio_set zonefs_zone_append_bio_set; - -static const struct iomap_dio_ops zonefs_zone_append_dio_ops = { - .submit_io = zonefs_file_zone_append_dio_submit_io, - .end_io = zonefs_file_write_dio_end_io, - .bio_set = &zonefs_zone_append_bio_set, -}; - static const struct iomap_dio_ops zonefs_write_dio_ops = { .end_io = zonefs_file_write_dio_end_io, }; @@ -533,9 +454,6 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from) struct zonefs_inode_info *zi = ZONEFS_I(inode); struct zonefs_zone *z = zonefs_inode_zone(inode); struct super_block *sb = inode->i_sb; - const struct iomap_dio_ops *dio_ops; - bool sync = is_sync_kiocb(iocb); - bool append = false; ssize_t ret, count; /* @@ -543,7 +461,8 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from) * as this can cause write reordering (e.g. the first aio gets EAGAIN * on the inode lock but the second goes through but is now unaligned). */ - if (zonefs_zone_is_seq(z) && !sync && (iocb->ki_flags & IOCB_NOWAIT)) + if (zonefs_zone_is_seq(z) && !is_sync_kiocb(iocb) && + (iocb->ki_flags & IOCB_NOWAIT)) return -EOPNOTSUPP; if (iocb->ki_flags & IOCB_NOWAIT) { @@ -573,18 +492,6 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from) goto inode_unlock; } mutex_unlock(&zi->i_truncate_mutex); - append = sync; - } - - if (append) { - unsigned int max = bdev_max_zone_append_sectors(sb->s_bdev); - - max = ALIGN_DOWN(max << SECTOR_SHIFT, sb->s_blocksize); - iov_iter_truncate(from, max); - - dio_ops = &zonefs_zone_append_dio_ops; - } else { - dio_ops = &zonefs_write_dio_ops; } /* @@ -593,7 +500,7 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from) * the user can make sense of the error. */ ret = iomap_dio_rw(iocb, from, &zonefs_write_iomap_ops, - dio_ops, 0, NULL, 0); + &zonefs_write_dio_ops, 0, NULL, 0); if (ret == -ENOTBLK) ret = -EBUSY; @@ -938,15 +845,3 @@ const struct file_operations zonefs_file_operations = { .splice_write = iter_file_splice_write, .iopoll = iocb_bio_iopoll, }; - -int zonefs_file_bioset_init(void) -{ - return bioset_init(&zonefs_zone_append_bio_set, BIO_POOL_SIZE, - offsetof(struct zonefs_zone_append_bio, bio), - BIOSET_NEED_BVECS); -} - -void zonefs_file_bioset_exit(void) -{ - bioset_exit(&zonefs_zone_append_bio_set); -} diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index bbe44a26a8e5..9d1a9808fbbb 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -658,7 +658,8 @@ static struct inode *zonefs_get_file_inode(struct inode *dir, inode->i_ino = ino; inode->i_mode = z->z_mode; - inode->i_ctime = inode->i_mtime = inode->i_atime = dir->i_ctime; + inode->i_mtime = inode->i_atime = inode_set_ctime_to_ts(inode, + inode_get_ctime(dir)); inode->i_uid = z->z_uid; inode->i_gid = z->z_gid; inode->i_size = z->z_wpoffset; @@ -694,7 +695,8 @@ static struct inode *zonefs_get_zgroup_inode(struct super_block *sb, inode->i_ino = ino; inode_init_owner(&nop_mnt_idmap, inode, root, S_IFDIR | 0555); inode->i_size = sbi->s_zgroup[ztype].g_nr_zones; - inode->i_ctime = inode->i_mtime = inode->i_atime = root->i_ctime; + inode->i_mtime = inode->i_atime = inode_set_ctime_to_ts(inode, + inode_get_ctime(root)); inode->i_private = &sbi->s_zgroup[ztype]; set_nlink(inode, 2); @@ -1317,7 +1319,7 @@ static int zonefs_fill_super(struct super_block *sb, void *data, int silent) inode->i_ino = bdev_nr_zones(sb->s_bdev); inode->i_mode = S_IFDIR | 0555; - inode->i_ctime = inode->i_mtime = inode->i_atime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); inode->i_op = &zonefs_dir_inode_operations; inode->i_fop = &zonefs_dir_operations; inode->i_size = 2; @@ -1412,13 +1414,9 @@ static int __init zonefs_init(void) BUILD_BUG_ON(sizeof(struct zonefs_super) != ZONEFS_SUPER_SIZE); - ret = zonefs_file_bioset_init(); - if (ret) - return ret; - ret = zonefs_init_inodecache(); if (ret) - goto destroy_bioset; + return ret; ret = zonefs_sysfs_init(); if (ret) @@ -1434,8 +1432,6 @@ sysfs_exit: zonefs_sysfs_exit(); destroy_inodecache: zonefs_destroy_inodecache(); -destroy_bioset: - zonefs_file_bioset_exit(); return ret; } @@ -1445,7 +1441,6 @@ static void __exit zonefs_exit(void) unregister_filesystem(&zonefs_type); zonefs_sysfs_exit(); zonefs_destroy_inodecache(); - zonefs_file_bioset_exit(); } MODULE_AUTHOR("Damien Le Moal"); diff --git a/fs/zonefs/zonefs.h b/fs/zonefs/zonefs.h index f663b8ebc2cb..8175652241b5 100644 --- a/fs/zonefs/zonefs.h +++ b/fs/zonefs/zonefs.h @@ -279,8 +279,6 @@ extern const struct file_operations zonefs_dir_operations; extern const struct address_space_operations zonefs_file_aops; extern const struct file_operations zonefs_file_operations; int zonefs_file_truncate(struct inode *inode, loff_t isize); -int zonefs_file_bioset_init(void); -void zonefs_file_bioset_exit(void); /* In sysfs.c */ int zonefs_sysfs_register(struct super_block *sb); diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index 02f2ac4dd2df..e69cece404b3 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -1537,7 +1537,7 @@ enum drm_dp_phy { #define DP_BRANCH_OUI_HEADER_SIZE 0xc #define DP_RECEIVER_CAP_SIZE 0xf -#define DP_DSC_RECEIVER_CAP_SIZE 0xf +#define DP_DSC_RECEIVER_CAP_SIZE 0x10 /* DSC Capabilities 0x60 through 0x6F */ #define EDP_PSR_RECEIVER_CAP_SIZE 2 #define EDP_DISPLAY_CTL_CAP_SIZE 3 #define DP_LTTPR_COMMON_CAP_SIZE 8 diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 169755d3de19..48e93f909ef6 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -61,15 +61,9 @@ struct std_timing { u8 vfreq_aspect; } __attribute__((packed)); -#define DRM_EDID_PT_SYNC_MASK (3 << 3) -# define DRM_EDID_PT_ANALOG_CSYNC (0 << 3) -# define DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC (1 << 3) -# define DRM_EDID_PT_DIGITAL_CSYNC (2 << 3) -# define DRM_EDID_PT_CSYNC_ON_RGB (1 << 1) /* analog csync only */ -# define DRM_EDID_PT_CSYNC_SERRATE (1 << 2) -# define DRM_EDID_PT_DIGITAL_SEPARATE_SYNC (3 << 3) -# define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) /* also digital csync */ -# define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) +#define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) +#define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) +#define DRM_EDID_PT_SEPARATE_SYNC (3 << 3) #define DRM_EDID_PT_STEREO (1 << 5) #define DRM_EDID_PT_INTERLACED (1 << 7) diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h index 4977e0ab72db..fad3c4003b2b 100644 --- a/include/drm/drm_probe_helper.h +++ b/include/drm/drm_probe_helper.h @@ -25,6 +25,7 @@ void drm_kms_helper_connector_hotplug_event(struct drm_connector *connector); void drm_kms_helper_poll_disable(struct drm_device *dev); void drm_kms_helper_poll_enable(struct drm_device *dev); +void drm_kms_helper_poll_reschedule(struct drm_device *dev); bool drm_kms_helper_is_poll_worker(void); enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc, diff --git a/include/linux/bio.h b/include/linux/bio.h index c4f5b5228105..11984ed29cb8 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -791,7 +791,7 @@ static inline int bio_integrity_add_page(struct bio *bio, struct page *page, static inline void bio_set_polled(struct bio *bio, struct kiocb *kiocb) { bio->bi_opf |= REQ_POLLED; - if (!is_sync_kiocb(kiocb)) + if (kiocb->ki_flags & IOCB_NOWAIT) bio->bi_opf |= REQ_NOWAIT; } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 0bad62cca3d0..d5c5e59ddbd2 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -52,7 +52,6 @@ struct block_device { atomic_t bd_openers; spinlock_t bd_size_lock; /* for bd_inode->i_size updates */ struct inode * bd_inode; /* will die */ - struct super_block * bd_super; void * bd_claiming; void * bd_holder; const struct blk_holder_ops *bd_holder_ops; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ed44a997f629..83ce87354e9a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -750,7 +750,8 @@ static inline int bdev_read_only(struct block_device *bdev) } bool set_capacity_and_notify(struct gendisk *disk, sector_t size); -bool disk_force_media_change(struct gendisk *disk, unsigned int events); +void disk_force_media_change(struct gendisk *disk); +void bdev_mark_dead(struct block_device *bdev, bool surprise); void add_disk_randomness(struct gendisk *disk) __latent_entropy; void rand_initialize_disk(struct gendisk *disk); @@ -809,7 +810,6 @@ int __register_blkdev(unsigned int major, const char *name, void unregister_blkdev(unsigned int major, const char *name); bool disk_check_media_change(struct gendisk *disk); -int __invalidate_device(struct block_device *bdev, bool kill_dirty); void set_capacity(struct gendisk *disk, sector_t size); #ifdef CONFIG_BLOCK_HOLDER_DEPRECATED @@ -969,7 +969,6 @@ struct blk_plug { bool multiple_queues; bool has_elevator; - bool nowait; struct list_head cb_list; /* md requires an unplug callback */ }; @@ -1461,9 +1460,16 @@ void blkdev_show(struct seq_file *seqf, off_t offset); #endif struct blk_holder_ops { - void (*mark_dead)(struct block_device *bdev); + void (*mark_dead)(struct block_device *bdev, bool surprise); + + /* + * Sync the file system mounted on the block device. + */ + void (*sync)(struct block_device *bdev); }; +extern const struct blk_holder_ops fs_holder_ops; + /* * Return the correct open flags for blkdev_get_by_* for super block flags * as stored in sb->s_flags. @@ -1522,8 +1528,6 @@ static inline int early_lookup_bdev(const char *pathname, dev_t *dev) } #endif /* CONFIG_BLOCK */ -int fsync_bdev(struct block_device *bdev); - int freeze_bdev(struct block_device *bdev); int thaw_bdev(struct block_device *bdev); diff --git a/include/linux/clk.h b/include/linux/clk.h index 1ef013324237..06f1b292f8a0 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -183,6 +183,39 @@ int clk_get_scaled_duty_cycle(struct clk *clk, unsigned int scale); */ bool clk_is_match(const struct clk *p, const struct clk *q); +/** + * clk_rate_exclusive_get - get exclusivity over the rate control of a + * producer + * @clk: clock source + * + * This function allows drivers to get exclusive control over the rate of a + * provider. It prevents any other consumer to execute, even indirectly, + * opereation which could alter the rate of the provider or cause glitches + * + * If exlusivity is claimed more than once on clock, even by the same driver, + * the rate effectively gets locked as exclusivity can't be preempted. + * + * Must not be called from within atomic context. + * + * Returns success (0) or negative errno. + */ +int clk_rate_exclusive_get(struct clk *clk); + +/** + * clk_rate_exclusive_put - release exclusivity over the rate control of a + * producer + * @clk: clock source + * + * This function allows drivers to release the exclusivity it previously got + * from clk_rate_exclusive_get() + * + * The caller must balance the number of clk_rate_exclusive_get() and + * clk_rate_exclusive_put() calls. + * + * Must not be called from within atomic context. + */ +void clk_rate_exclusive_put(struct clk *clk); + #else static inline int clk_notifier_register(struct clk *clk, @@ -236,6 +269,13 @@ static inline bool clk_is_match(const struct clk *p, const struct clk *q) return p == q; } +static inline int clk_rate_exclusive_get(struct clk *clk) +{ + return 0; +} + +static inline void clk_rate_exclusive_put(struct clk *clk) {} + #endif #ifdef CONFIG_HAVE_CLK_PREPARE @@ -583,38 +623,6 @@ struct clk *devm_clk_get_optional_enabled(struct device *dev, const char *id); */ struct clk *devm_get_clk_from_child(struct device *dev, struct device_node *np, const char *con_id); -/** - * clk_rate_exclusive_get - get exclusivity over the rate control of a - * producer - * @clk: clock source - * - * This function allows drivers to get exclusive control over the rate of a - * provider. It prevents any other consumer to execute, even indirectly, - * opereation which could alter the rate of the provider or cause glitches - * - * If exlusivity is claimed more than once on clock, even by the same driver, - * the rate effectively gets locked as exclusivity can't be preempted. - * - * Must not be called from within atomic context. - * - * Returns success (0) or negative errno. - */ -int clk_rate_exclusive_get(struct clk *clk); - -/** - * clk_rate_exclusive_put - release exclusivity over the rate control of a - * producer - * @clk: clock source - * - * This function allows drivers to release the exclusivity it previously got - * from clk_rate_exclusive_get() - * - * The caller must balance the number of clk_rate_exclusive_get() and - * clk_rate_exclusive_put() calls. - * - * Must not be called from within atomic context. - */ -void clk_rate_exclusive_put(struct clk *clk); /** * clk_enable - inform the system when the clock source should be running. @@ -974,14 +982,6 @@ static inline void clk_bulk_put_all(int num_clks, struct clk_bulk_data *clks) {} static inline void devm_clk_put(struct device *dev, struct clk *clk) {} - -static inline int clk_rate_exclusive_get(struct clk *clk) -{ - return 0; -} - -static inline void clk_rate_exclusive_put(struct clk *clk) {} - static inline int clk_enable(struct clk *clk) { return 0; diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 6e6e57ec69e8..e006c719182b 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -70,6 +70,10 @@ extern ssize_t cpu_show_mmio_stale_data(struct device *dev, char *buf); extern ssize_t cpu_show_retbleed(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_spec_rstack_overflow(struct device *dev, + struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_gds(struct device *dev, + struct device_attribute *attr, char *buf); extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, diff --git a/include/linux/dnotify.h b/include/linux/dnotify.h index b1d26f9f1c9f..9f183a679277 100644 --- a/include/linux/dnotify.h +++ b/include/linux/dnotify.h @@ -30,7 +30,7 @@ struct dnotify_struct { FS_MOVED_FROM | FS_MOVED_TO) extern void dnotify_flush(struct file *, fl_owner_t); -extern int fcntl_dirnotify(int, struct file *, unsigned long); +extern int fcntl_dirnotify(int, struct file *, unsigned int); #else @@ -38,7 +38,7 @@ static inline void dnotify_flush(struct file *filp, fl_owner_t id) { } -static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg) +static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned int arg) { return -EINVAL; } diff --git a/include/linux/filelock.h b/include/linux/filelock.h index efcdd1631d9b..95e868e09e29 100644 --- a/include/linux/filelock.h +++ b/include/linux/filelock.h @@ -144,7 +144,7 @@ int fcntl_setlk64(unsigned int, struct file *, unsigned int, struct flock64 *); #endif -int fcntl_setlease(unsigned int fd, struct file *filp, long arg); +int fcntl_setlease(unsigned int fd, struct file *filp, int arg); int fcntl_getlease(struct file *filp); /* fs/locks.c */ @@ -167,8 +167,8 @@ bool vfs_inode_has_locks(struct inode *inode); int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl); int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); void lease_get_mtime(struct inode *, struct timespec64 *time); -int generic_setlease(struct file *, long, struct file_lock **, void **priv); -int vfs_setlease(struct file *, long, struct file_lock **, void **); +int generic_setlease(struct file *, int, struct file_lock **, void **priv); +int vfs_setlease(struct file *, int, struct file_lock **, void **); int lease_modify(struct file_lock *, int, struct list_head *); struct notifier_block; @@ -213,7 +213,7 @@ static inline int fcntl_setlk64(unsigned int fd, struct file *file, return -EACCES; } #endif -static inline int fcntl_setlease(unsigned int fd, struct file *filp, long arg) +static inline int fcntl_setlease(unsigned int fd, struct file *filp, int arg) { return -EINVAL; } @@ -306,13 +306,13 @@ static inline void lease_get_mtime(struct inode *inode, return; } -static inline int generic_setlease(struct file *filp, long arg, +static inline int generic_setlease(struct file *filp, int arg, struct file_lock **flp, void **priv) { return -EINVAL; } -static inline int vfs_setlease(struct file *filp, long arg, +static inline int vfs_setlease(struct file *filp, int arg, struct file_lock **lease, void **priv) { return -EINVAL; diff --git a/include/linux/fs.h b/include/linux/fs.h index 562f2623c9c9..4e270f3ed58e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -642,7 +642,7 @@ struct inode { loff_t i_size; struct timespec64 i_atime; struct timespec64 i_mtime; - struct timespec64 i_ctime; + struct timespec64 __i_ctime; /* use inode_*_ctime accessors! */ spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */ unsigned short i_bytes; u8 i_blkbits; @@ -1069,7 +1069,7 @@ extern void fasync_free(struct fasync_struct *); extern void kill_fasync(struct fasync_struct **, int, int); extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int force); -extern int f_setown(struct file *filp, unsigned long arg, int force); +extern int f_setown(struct file *filp, int who, int force); extern void f_delown(struct file *filp); extern pid_t f_getown(struct file *filp); extern int send_sigurg(struct fown_struct *fown); @@ -1095,6 +1095,8 @@ extern int send_sigurg(struct fown_struct *fown); #define SB_LAZYTIME BIT(25) /* Update the on-disk [acm]times lazily */ /* These sb flags are internal to the kernel */ +#define SB_DEAD BIT(21) +#define SB_DYING BIT(24) #define SB_SUBMOUNT BIT(26) #define SB_FORCE BIT(27) #define SB_NOSEC BIT(28) @@ -1147,7 +1149,8 @@ enum { #define SB_FREEZE_LEVELS (SB_FREEZE_COMPLETE - 1) struct sb_writers { - int frozen; /* Is sb frozen? */ + unsigned short frozen; /* Is sb frozen? */ + unsigned short freeze_holders; /* Who froze fs? */ struct percpu_rw_semaphore rw_sem[SB_FREEZE_LEVELS]; }; @@ -1474,7 +1477,79 @@ static inline bool fsuidgid_has_mapping(struct super_block *sb, kgid_has_mapping(fs_userns, kgid); } -extern struct timespec64 current_time(struct inode *inode); +struct timespec64 current_mgtime(struct inode *inode); +struct timespec64 current_time(struct inode *inode); +struct timespec64 inode_set_ctime_current(struct inode *inode); + +/* + * Multigrain timestamps + * + * Conditionally use fine-grained ctime and mtime timestamps when there + * are users actively observing them via getattr. The primary use-case + * for this is NFS clients that use the ctime to distinguish between + * different states of the file, and that are often fooled by multiple + * operations that occur in the same coarse-grained timer tick. + * + * The kernel always keeps normalized struct timespec64 values in the ctime, + * which means that only the first 30 bits of the value are used. Use the + * 31st bit of the ctime's tv_nsec field as a flag to indicate that the value + * has been queried since it was last updated. + */ +#define I_CTIME_QUERIED (1L<<30) + +/** + * inode_get_ctime - fetch the current ctime from the inode + * @inode: inode from which to fetch ctime + * + * Grab the current ctime tv_nsec field from the inode, mask off the + * I_CTIME_QUERIED flag and return it. This is mostly intended for use by + * internal consumers of the ctime that aren't concerned with ensuring a + * fine-grained update on the next change (e.g. when preparing to store + * the value in the backing store for later retrieval). + * + * This is safe to call regardless of whether the underlying filesystem + * is using multigrain timestamps. + */ +static inline struct timespec64 inode_get_ctime(const struct inode *inode) +{ + struct timespec64 ctime; + + ctime.tv_sec = inode->__i_ctime.tv_sec; + ctime.tv_nsec = inode->__i_ctime.tv_nsec & ~I_CTIME_QUERIED; + + return ctime; +} + +/** + * inode_set_ctime_to_ts - set the ctime in the inode + * @inode: inode in which to set the ctime + * @ts: value to set in the ctime field + * + * Set the ctime in @inode to @ts + */ +static inline struct timespec64 inode_set_ctime_to_ts(struct inode *inode, + struct timespec64 ts) +{ + inode->__i_ctime = ts; + return ts; +} + +/** + * inode_set_ctime - set the ctime in the inode + * @inode: inode in which to set the ctime + * @sec: tv_sec value to set + * @nsec: tv_nsec value to set + * + * Set the ctime in @inode to { @sec, @nsec } + */ +static inline struct timespec64 inode_set_ctime(struct inode *inode, + time64_t sec, long nsec) +{ + struct timespec64 ts = { .tv_sec = sec, + .tv_nsec = nsec }; + + return inode_set_ctime_to_ts(inode, ts); +} /* * Snapshotting support. @@ -1770,6 +1845,7 @@ struct dir_context { struct iov_iter; struct io_uring_cmd; +struct offset_ctx; struct file_operations { struct module *owner; @@ -1798,7 +1874,7 @@ struct file_operations { ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int); ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); void (*splice_eof)(struct file *file); - int (*setlease)(struct file *, long, struct file_lock **, void **); + int (*setlease)(struct file *, int, struct file_lock **, void **); long (*fallocate)(struct file *file, int mode, loff_t offset, loff_t len); void (*show_fdinfo)(struct seq_file *m, struct file *f); @@ -1850,7 +1926,7 @@ struct inode_operations { ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); - int (*update_time)(struct inode *, struct timespec64 *, int); + int (*update_time)(struct inode *, int); int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode); @@ -1863,6 +1939,7 @@ struct inode_operations { int (*fileattr_set)(struct mnt_idmap *idmap, struct dentry *dentry, struct fileattr *fa); int (*fileattr_get)(struct dentry *dentry, struct fileattr *fa); + struct offset_ctx *(*get_offset_ctx)(struct inode *inode); } ____cacheline_aligned; static inline ssize_t call_read_iter(struct file *file, struct kiocb *kio, @@ -1908,6 +1985,10 @@ extern loff_t vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos, struct file *dst_file, loff_t dst_pos, loff_t len, unsigned int remap_flags); +enum freeze_holder { + FREEZE_HOLDER_KERNEL = (1U << 0), + FREEZE_HOLDER_USERSPACE = (1U << 1), +}; struct super_operations { struct inode *(*alloc_inode)(struct super_block *sb); @@ -1920,9 +2001,9 @@ struct super_operations { void (*evict_inode) (struct inode *); void (*put_super) (struct super_block *); int (*sync_fs)(struct super_block *sb, int wait); - int (*freeze_super) (struct super_block *); + int (*freeze_super) (struct super_block *, enum freeze_holder who); int (*freeze_fs) (struct super_block *); - int (*thaw_super) (struct super_block *); + int (*thaw_super) (struct super_block *, enum freeze_holder who); int (*unfreeze_fs) (struct super_block *); int (*statfs) (struct dentry *, struct kstatfs *); int (*remount_fs) (struct super_block *, int *, char *); @@ -2200,7 +2281,7 @@ enum file_time_flags { extern bool atime_needs_update(const struct path *, struct inode *); extern void touch_atime(const struct path *); -int inode_update_time(struct inode *inode, struct timespec64 *time, int flags); +int inode_update_time(struct inode *inode, int flags); static inline void file_accessed(struct file *file) { @@ -2222,6 +2303,7 @@ struct file_system_type { #define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */ #define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */ #define FS_ALLOW_IDMAP 32 /* FS has been updated to handle vfs idmappings. */ +#define FS_MGTIME 64 /* FS uses multigrain timestamps */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */ int (*init_fs_context)(struct fs_context *); const struct fs_parameter_spec *parameters; @@ -2245,6 +2327,17 @@ struct file_system_type { #define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME) +/** + * is_mgtime: is this inode using multigrain timestamps + * @inode: inode to test for multigrain timestamps + * + * Return true if the inode uses multigrain timestamps, false otherwise. + */ +static inline bool is_mgtime(const struct inode *inode) +{ + return inode->i_sb->s_type->fs_flags & FS_MGTIME; +} + extern struct dentry *mount_bdev(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, int (*fill_super)(struct super_block *, void *, int)); @@ -2296,8 +2389,8 @@ extern int unregister_filesystem(struct file_system_type *); extern int vfs_statfs(const struct path *, struct kstatfs *); extern int user_statfs(const char __user *, struct kstatfs *); extern int fd_statfs(int, struct kstatfs *); -extern int freeze_super(struct super_block *super); -extern int thaw_super(struct super_block *super); +int freeze_super(struct super_block *super, enum freeze_holder who); +int thaw_super(struct super_block *super, enum freeze_holder who); extern __printf(2, 3) int super_setup_bdi_name(struct super_block *sb, char *fmt, ...); extern int super_setup_bdi(struct super_block *sb); @@ -2306,7 +2399,8 @@ extern int current_umask(void); extern void ihold(struct inode * inode); extern void iput(struct inode *); -extern int generic_update_time(struct inode *, struct timespec64 *, int); +int inode_update_timestamps(struct inode *inode, int flags); +int generic_update_time(struct inode *, int); /* /sys/fs */ extern struct kobject *fs_kobj; @@ -2545,6 +2639,13 @@ static inline bool inode_wrong_type(const struct inode *inode, umode_t mode) return (inode->i_mode ^ mode) & S_IFMT; } +/** + * file_start_write - get write access to a superblock for regular file io + * @file: the file we want to write to + * + * This is a variant of sb_start_write() which is a noop on non-regualr file. + * Should be matched with a call to file_end_write(). + */ static inline void file_start_write(struct file *file) { if (!S_ISREG(file_inode(file)->i_mode)) @@ -2559,11 +2660,53 @@ static inline bool file_start_write_trylock(struct file *file) return sb_start_write_trylock(file_inode(file)->i_sb); } +/** + * file_end_write - drop write access to a superblock of a regular file + * @file: the file we wrote to + * + * Should be matched with a call to file_start_write(). + */ static inline void file_end_write(struct file *file) { if (!S_ISREG(file_inode(file)->i_mode)) return; - __sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE); + sb_end_write(file_inode(file)->i_sb); +} + +/** + * kiocb_start_write - get write access to a superblock for async file io + * @iocb: the io context we want to submit the write with + * + * This is a variant of sb_start_write() for async io submission. + * Should be matched with a call to kiocb_end_write(). + */ +static inline void kiocb_start_write(struct kiocb *iocb) +{ + struct inode *inode = file_inode(iocb->ki_filp); + + sb_start_write(inode->i_sb); + /* + * Fool lockdep by telling it the lock got released so that it + * doesn't complain about the held lock when we return to userspace. + */ + __sb_writers_release(inode->i_sb, SB_FREEZE_WRITE); +} + +/** + * kiocb_end_write - drop write access to a superblock after async file io + * @iocb: the io context we sumbitted the write with + * + * Should be matched with a call to kiocb_start_write(). + */ +static inline void kiocb_end_write(struct kiocb *iocb) +{ + struct inode *inode = file_inode(iocb->ki_filp); + + /* + * Tell lockdep we inherited freeze protection from submission thread. + */ + __sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE); + sb_end_write(inode->i_sb); } /* @@ -2613,8 +2756,7 @@ static inline bool inode_is_open_for_write(const struct inode *inode) #if defined(CONFIG_IMA) || defined(CONFIG_FILE_LOCKING) static inline void i_readcount_dec(struct inode *inode) { - BUG_ON(!atomic_read(&inode->i_readcount)); - atomic_dec(&inode->i_readcount); + BUG_ON(atomic_dec_return(&inode->i_readcount) < 0); } static inline void i_readcount_inc(struct inode *inode) { @@ -2880,7 +3022,8 @@ extern void page_put_link(void *); extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern void kfree_link(void *); -void generic_fillattr(struct mnt_idmap *, struct inode *, struct kstat *); +void fill_mg_cmtime(struct kstat *stat, u32 request_mask, struct inode *inode); +void generic_fillattr(struct mnt_idmap *, u32, struct inode *, struct kstat *); void generic_fill_statx_attr(struct inode *inode, struct kstat *stat); extern int vfs_getattr_nosec(const struct path *, struct kstat *, u32, unsigned int); extern int vfs_getattr(const struct path *, struct kstat *, u32, unsigned int); @@ -2919,7 +3062,6 @@ extern int vfs_readlink(struct dentry *, char __user *, int); extern struct file_system_type *get_filesystem(struct file_system_type *fs); extern void put_filesystem(struct file_system_type *fs); extern struct file_system_type *get_fs_type(const char *name); -extern struct super_block *get_super(struct block_device *); extern struct super_block *get_active_super(struct block_device *bdev); extern void drop_super(struct super_block *sb); extern void drop_super_exclusive(struct super_block *sb); @@ -2940,6 +3082,8 @@ extern int simple_open(struct inode *inode, struct file *file); extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); +void simple_rename_timestamp(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry); extern int simple_rename_exchange(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry); extern int simple_rename(struct mnt_idmap *, struct inode *, @@ -2956,7 +3100,7 @@ extern int simple_write_begin(struct file *file, struct address_space *mapping, extern const struct address_space_operations ram_aops; extern int always_delete_dentry(const struct dentry *); extern struct inode *alloc_anon_inode(struct super_block *); -extern int simple_nosetlease(struct file *, long, struct file_lock **, void **); +extern int simple_nosetlease(struct file *, int, struct file_lock **, void **); extern const struct dentry_operations simple_dentry_operations; extern struct dentry *simple_lookup(struct inode *, struct dentry *, unsigned int flags); @@ -2977,6 +3121,22 @@ extern ssize_t simple_read_from_buffer(void __user *to, size_t count, extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos, const void __user *from, size_t count); +struct offset_ctx { + struct xarray xa; + u32 next_offset; +}; + +void simple_offset_init(struct offset_ctx *octx); +int simple_offset_add(struct offset_ctx *octx, struct dentry *dentry); +void simple_offset_remove(struct offset_ctx *octx, struct dentry *dentry); +int simple_offset_rename_exchange(struct inode *old_dir, + struct dentry *old_dentry, + struct inode *new_dir, + struct dentry *new_dentry); +void simple_offset_destroy(struct offset_ctx *octx); + +extern const struct file_operations simple_offset_dir_operations; + extern int __generic_file_fsync(struct file *, loff_t, loff_t, int); extern int generic_file_fsync(struct file *, loff_t, loff_t, int); diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index ff6341e09925..96332db693d5 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -109,6 +109,7 @@ struct fs_context { bool need_free:1; /* Need to call ops->free() */ bool global:1; /* Goes into &init_user_ns */ bool oldapi:1; /* Coming from mount(2) */ + bool exclusive:1; /* create new superblock, reject existing one */ }; struct fs_context_operations { @@ -150,14 +151,13 @@ extern int get_tree_nodev(struct fs_context *fc, extern int get_tree_single(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); -extern int get_tree_single_reconf(struct fs_context *fc, - int (*fill_super)(struct super_block *sb, - struct fs_context *fc)); extern int get_tree_keyed(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc), void *key); +int setup_bdev_super(struct super_block *sb, int sb_flags, + struct fs_context *fc); extern int get_tree_bdev(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); diff --git a/include/linux/fs_stack.h b/include/linux/fs_stack.h index 54210a42c30d..010d39d0dc1c 100644 --- a/include/linux/fs_stack.h +++ b/include/linux/fs_stack.h @@ -24,7 +24,7 @@ static inline void fsstack_copy_attr_times(struct inode *dest, { dest->i_atime = src->i_atime; dest->i_mtime = src->i_mtime; - dest->i_ctime = src->i_ctime; + inode_set_ctime_to_ts(dest, inode_get_ctime(src)); } #endif /* _LINUX_FS_STACK_H */ diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 20284387b841..e718dbe928ba 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -25,9 +25,6 @@ static inline void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud) #endif vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf); -struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, - unsigned long addr, pmd_t *pmd, - unsigned int flags); bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr, unsigned long next); int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, pmd_t *pmd, diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 7308a1a7599b..af796986baee 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -54,6 +54,7 @@ LSM_HOOK(int, 0, bprm_creds_from_file, struct linux_binprm *bprm, struct file *f LSM_HOOK(int, 0, bprm_check_security, struct linux_binprm *bprm) LSM_HOOK(void, LSM_RET_VOID, bprm_committing_creds, struct linux_binprm *bprm) LSM_HOOK(void, LSM_RET_VOID, bprm_committed_creds, struct linux_binprm *bprm) +LSM_HOOK(int, 0, fs_context_submount, struct fs_context *fc, struct super_block *reference) LSM_HOOK(int, 0, fs_context_dup, struct fs_context *fc, struct fs_context *src_sc) LSM_HOOK(int, -ENOPARAM, fs_context_parse_param, struct fs_context *fc, diff --git a/include/linux/mm.h b/include/linux/mm.h index 406ab9ea818f..34f9dba17c1a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3421,15 +3421,24 @@ static inline int vm_fault_to_errno(vm_fault_t vm_fault, int foll_flags) * Indicates whether GUP can follow a PROT_NONE mapped page, or whether * a (NUMA hinting) fault is required. */ -static inline bool gup_can_follow_protnone(unsigned int flags) +static inline bool gup_can_follow_protnone(struct vm_area_struct *vma, + unsigned int flags) { /* - * FOLL_FORCE has to be able to make progress even if the VMA is - * inaccessible. Further, FOLL_FORCE access usually does not represent - * application behaviour and we should avoid triggering NUMA hinting - * faults. + * If callers don't want to honor NUMA hinting faults, no need to + * determine if we would actually have to trigger a NUMA hinting fault. */ - return flags & FOLL_FORCE; + if (!(flags & FOLL_HONOR_NUMA_FAULT)) + return true; + + /* + * NUMA hinting faults don't apply in inaccessible (PROT_NONE) VMAs. + * + * Requiring a fault here even for inaccessible VMAs would mean that + * FOLL_FORCE cannot make any progress, because handle_mm_fault() + * refuses to process NUMA hinting faults in inaccessible VMAs. + */ + return !vma_is_accessible(vma); } typedef int (*pte_fn_t)(pte_t *pte, unsigned long addr, void *data); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 5e74ce4a28cd..7d30dc4ff0ff 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -1286,6 +1286,15 @@ enum { FOLL_PCI_P2PDMA = 1 << 10, /* allow interrupts from generic signals */ FOLL_INTERRUPTIBLE = 1 << 11, + /* + * Always honor (trigger) NUMA hinting faults. + * + * FOLL_WRITE implicitly honors NUMA hinting faults because a + * PROT_NONE-mapped page is not writable (exceptions with FOLL_FORCE + * apply). get_user_pages_fast_only() always implicitly honors NUMA + * hinting faults. + */ + FOLL_HONOR_NUMA_FAULT = 1 << 12, /* See also internal only FOLL flags in mm/internal.h */ }; diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h index 27a6df448ee5..27cd1e59ccf7 100644 --- a/include/linux/pagewalk.h +++ b/include/linux/pagewalk.h @@ -6,6 +6,16 @@ struct mm_walk; +/* Locking requirement during a page walk. */ +enum page_walk_lock { + /* mmap_lock should be locked for read to stabilize the vma tree */ + PGWALK_RDLOCK = 0, + /* vma will be write-locked during the walk */ + PGWALK_WRLOCK = 1, + /* vma is expected to be already write-locked during the walk */ + PGWALK_WRLOCK_VERIFY = 2, +}; + /** * struct mm_walk_ops - callbacks for walk_page_range * @pgd_entry: if set, called for each non-empty PGD (top-level) entry @@ -66,6 +76,7 @@ struct mm_walk_ops { int (*pre_vma)(unsigned long start, unsigned long end, struct mm_walk *walk); void (*post_vma)(struct mm_walk *walk); + enum page_walk_lock walk_lock; }; /* diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 02e0086b10f6..608a9eb86bff 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -269,10 +269,10 @@ bool pipe_is_unprivileged_user(void); /* for F_SETPIPE_SZ and F_GETPIPE_SZ */ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots); -long pipe_fcntl(struct file *, unsigned int, unsigned long arg); +long pipe_fcntl(struct file *, unsigned int, unsigned int arg); struct pipe_inode_info *get_pipe_info(struct file *file, bool for_splice); int create_pipe_files(struct file **, int); -unsigned int round_pipe_size(unsigned long size); +unsigned int round_pipe_size(unsigned int size); #endif diff --git a/include/linux/prefetch.h b/include/linux/prefetch.h index b83a3f944f28..b068e2e60939 100644 --- a/include/linux/prefetch.h +++ b/include/linux/prefetch.h @@ -25,11 +25,10 @@ struct page; prefetch() should be defined by the architecture, if not, the #define below provides a no-op define. - There are 3 prefetch() macros: + There are 2 prefetch() macros: prefetch(x) - prefetches the cacheline at "x" for read prefetchw(x) - prefetches the cacheline at "x" for write - spin_lock_prefetch(x) - prefetches the spinlock *x for taking there is also PREFETCH_STRIDE which is the architecure-preferred "lookahead" size for prefetching streamed operations. @@ -44,10 +43,6 @@ struct page; #define prefetchw(x) __builtin_prefetch(x,1) #endif -#ifndef ARCH_HAS_SPINLOCK_PREFETCH -#define spin_lock_prefetch(x) prefetchw(x) -#endif - #ifndef PREFETCH_STRIDE #define PREFETCH_STRIDE (4*L1_CACHE_BYTES) #endif diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h index 6a9b177d5c41..e50416ba9cd9 100644 --- a/include/linux/raid_class.h +++ b/include/linux/raid_class.h @@ -77,7 +77,3 @@ DEFINE_RAID_ATTRIBUTE(enum raid_state, state) struct raid_template *raid_class_attach(struct raid_function_template *); void raid_class_release(struct raid_template *); - -int __must_check raid_component_add(struct raid_template *, struct device *, - struct device *); - diff --git a/include/linux/security.h b/include/linux/security.h index 32828502f09e..bac98ea18f78 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -293,6 +293,7 @@ int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file); int security_bprm_check(struct linux_binprm *bprm); void security_bprm_committing_creds(struct linux_binprm *bprm); void security_bprm_committed_creds(struct linux_binprm *bprm); +int security_fs_context_submount(struct fs_context *fc, struct super_block *reference); int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc); int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param); int security_sb_alloc(struct super_block *sb); @@ -629,6 +630,11 @@ static inline void security_bprm_committed_creds(struct linux_binprm *bprm) { } +static inline int security_fs_context_submount(struct fs_context *fc, + struct super_block *reference) +{ + return 0; +} static inline int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc) { diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 6d58c57acdaa..a156d2ed8d9e 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -459,7 +459,8 @@ struct uart_port { struct serial_rs485 *rs485); int (*iso7816_config)(struct uart_port *, struct serial_iso7816 *iso7816); - int ctrl_id; /* optional serial core controller id */ + unsigned int ctrl_id; /* optional serial core controller id */ + unsigned int port_id; /* optional serial core port id */ unsigned int irq; /* irq number */ unsigned long irqflags; /* irq flags */ unsigned int uartclk; /* base uart clock */ diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 9029abd29b1c..6b0c626620f5 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -13,6 +13,10 @@ /* inode in-kernel data */ +#ifdef CONFIG_TMPFS_QUOTA +#define SHMEM_MAXQUOTAS 2 +#endif + struct shmem_inode_info { spinlock_t lock; unsigned int seals; /* shmem seals */ @@ -27,6 +31,10 @@ struct shmem_inode_info { atomic_t stop_eviction; /* hold when working on inode */ struct timespec64 i_crtime; /* file creation time */ unsigned int fsflags; /* flags for FS_IOC_[SG]ETFLAGS */ +#ifdef CONFIG_TMPFS_QUOTA + struct dquot *i_dquot[MAXQUOTAS]; +#endif + struct offset_ctx dir_offsets; /* stable entry offsets */ struct inode vfs_inode; }; @@ -35,11 +43,18 @@ struct shmem_inode_info { (FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL | FS_NOATIME_FL) #define SHMEM_FL_INHERITED (FS_NODUMP_FL | FS_NOATIME_FL) +struct shmem_quota_limits { + qsize_t usrquota_bhardlimit; /* Default user quota block hard limit */ + qsize_t usrquota_ihardlimit; /* Default user quota inode hard limit */ + qsize_t grpquota_bhardlimit; /* Default group quota block hard limit */ + qsize_t grpquota_ihardlimit; /* Default group quota inode hard limit */ +}; + struct shmem_sb_info { unsigned long max_blocks; /* How many blocks are allowed */ struct percpu_counter used_blocks; /* How many are allocated */ unsigned long max_inodes; /* How many inodes are allowed */ - unsigned long free_inodes; /* How many are left for allocation */ + unsigned long free_ispace; /* How much ispace left for allocation */ raw_spinlock_t stat_lock; /* Serialize shmem_sb_info changes */ umode_t mode; /* Mount mode for root directory */ unsigned char huge; /* Whether to try for hugepages */ @@ -53,6 +68,7 @@ struct shmem_sb_info { spinlock_t shrinklist_lock; /* Protects shrinklist */ struct list_head shrinklist; /* List of shinkable inodes */ unsigned long shrinklist_len; /* Length of shrinklist */ + struct shmem_quota_limits qlimits; /* Default quota limits */ }; static inline struct shmem_inode_info *SHMEM_I(struct inode *inode) @@ -172,4 +188,17 @@ extern int shmem_mfill_atomic_pte(pmd_t *dst_pmd, #endif /* CONFIG_SHMEM */ #endif /* CONFIG_USERFAULTFD */ +/* + * Used space is stored as unsigned 64-bit value in bytes but + * quota core supports only signed 64-bit values so use that + * as a limit + */ +#define SHMEM_QUOTA_MAX_SPC_LIMIT 0x7fffffffffffffffLL /* 2^63-1 */ +#define SHMEM_QUOTA_MAX_INO_LIMIT 0x7fffffffffffffffLL + +#ifdef CONFIG_TMPFS_QUOTA +extern const struct dquot_operations shmem_quota_operations; +extern struct quota_format_type shmem_quota_format; +#endif /* CONFIG_TMPFS_QUOTA */ + #endif diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 054d7911bfc9..c1637515a8a4 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -62,6 +62,7 @@ struct sk_psock_progs { enum sk_psock_state_bits { SK_PSOCK_TX_ENABLED, + SK_PSOCK_RX_STRP_ENABLED, }; struct sk_psock_link { diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 03e3d0121d5e..5690aef7b3a8 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -438,8 +438,10 @@ asmlinkage long sys_chdir(const char __user *filename); asmlinkage long sys_fchdir(unsigned int fd); asmlinkage long sys_chroot(const char __user *filename); asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); -asmlinkage long sys_fchmodat(int dfd, const char __user * filename, +asmlinkage long sys_fchmodat(int dfd, const char __user *filename, umode_t mode); +asmlinkage long sys_fchmodat2(int dfd, const char __user *filename, + umode_t mode, unsigned int flags); asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group, int flag); asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 6a1e8f157255..4ee9d13749ad 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -283,6 +283,7 @@ enum tpm_chip_flags { TPM_CHIP_FLAG_FIRMWARE_POWER_MANAGED = BIT(6), TPM_CHIP_FLAG_FIRMWARE_UPGRADE = BIT(7), TPM_CHIP_FLAG_SUSPENDED = BIT(8), + TPM_CHIP_FLAG_HWRNG_DISABLED = BIT(9), }; #define to_tpm_chip(d) container_of(d, struct tpm_chip, dev) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 3930e676436c..1e8bbdb8da90 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -59,6 +59,17 @@ int trace_raw_output_prep(struct trace_iterator *iter, extern __printf(2, 3) void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...); +/* Used to find the offset and length of dynamic fields in trace events */ +struct trace_dynamic_info { +#ifdef CONFIG_CPU_BIG_ENDIAN + u16 offset; + u16 len; +#else + u16 len; + u16 offset; +#endif +}; + /* * The trace entry - the most basic unit of tracing. This is what * is printed in the end as a single line in the trace output, such as: diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index bdf8de2cdd93..7b4dd69555e4 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -155,6 +155,10 @@ retry: if (gso_type & SKB_GSO_UDP) nh_off -= thlen; + /* Kernel has a special handling for GSO_BY_FRAGS. */ + if (gso_size == GSO_BY_FRAGS) + return -EINVAL; + /* Too small packets are not really GSO ones. */ if (skb->len - nh_off > gso_size) { shinfo->gso_size = gso_size; diff --git a/include/linux/xattr.h b/include/linux/xattr.h index d591ef59aa98..d20051865800 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -114,13 +114,15 @@ struct simple_xattr { }; void simple_xattrs_init(struct simple_xattrs *xattrs); -void simple_xattrs_free(struct simple_xattrs *xattrs); +void simple_xattrs_free(struct simple_xattrs *xattrs, size_t *freed_space); +size_t simple_xattr_space(const char *name, size_t size); struct simple_xattr *simple_xattr_alloc(const void *value, size_t size); +void simple_xattr_free(struct simple_xattr *xattr); int simple_xattr_get(struct simple_xattrs *xattrs, const char *name, void *buffer, size_t size); -int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, - const void *value, size_t size, int flags, - ssize_t *removed_size); +struct simple_xattr *simple_xattr_set(struct simple_xattrs *xattrs, + const char *name, const void *value, + size_t size, int flags); ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, char *buffer, size_t size); void simple_xattr_add(struct simple_xattrs *xattrs, diff --git a/include/net/bonding.h b/include/net/bonding.h index 30ac427cf0c6..5b8b1b644a2d 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -722,23 +722,14 @@ static inline struct slave *bond_slave_has_mac(struct bonding *bond, } /* Caller must hold rcu_read_lock() for read */ -static inline bool bond_slave_has_mac_rx(struct bonding *bond, const u8 *mac) +static inline bool bond_slave_has_mac_rcu(struct bonding *bond, const u8 *mac) { struct list_head *iter; struct slave *tmp; - struct netdev_hw_addr *ha; bond_for_each_slave_rcu(bond, tmp, iter) if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr)) return true; - - if (netdev_uc_empty(bond->dev)) - return false; - - netdev_for_each_uc_addr(ha, bond->dev) - if (ether_addr_equal_64bits(mac, ha->addr)) - return true; - return false; } diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 7c7d03aa9d06..d6fa7c8767ad 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -562,6 +562,9 @@ ieee80211_get_sband_iftype_data(const struct ieee80211_supported_band *sband, if (WARN_ON(iftype >= NL80211_IFTYPE_MAX)) return NULL; + if (iftype == NL80211_IFTYPE_AP_VLAN) + iftype = NL80211_IFTYPE_AP; + for (i = 0; i < sband->n_iftype_data; i++) { const struct ieee80211_sband_iftype_data *data = &sband->iftype_data[i]; diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index 0bb32bfc6183..491ceb7ebe5d 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -222,8 +222,8 @@ struct inet_sock { __s16 uc_ttl; __u16 cmsg_flags; struct ip_options_rcu __rcu *inet_opt; + atomic_t inet_id; __be16 inet_sport; - __u16 inet_id; __u8 tos; __u8 min_ttl; diff --git a/include/net/ip.h b/include/net/ip.h index 332521170d9b..19adacd5ece0 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -538,8 +538,19 @@ static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb, * generator as much as we can. */ if (sk && inet_sk(sk)->inet_daddr) { - iph->id = htons(inet_sk(sk)->inet_id); - inet_sk(sk)->inet_id += segs; + int val; + + /* avoid atomic operations for TCP, + * as we hold socket lock at this point. + */ + if (sk_is_tcp(sk)) { + sock_owned_by_me(sk); + val = atomic_read(&inet_sk(sk)->inet_id); + atomic_set(&inet_sk(sk)->inet_id, val + segs); + } else { + val = atomic_add_return(segs, &inet_sk(sk)->inet_id); + } + iph->id = htons(val); return; } if ((iph->frag_off & htons(IP_DF)) && !skb->ignore_df) { diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 3a8a2d2c58c3..2a55ae932c56 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -6612,6 +6612,7 @@ void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap, * marks frames marked in the bitmap as having been filtered. Afterwards, it * checks if any frames in the window starting from @ssn can now be released * (in case they were only waiting for frames that were filtered.) + * (Only work correctly if @max_rx_aggregation_subframes <= 64 frames) */ void ieee80211_mark_rx_ba_filtered_frames(struct ieee80211_sta *pubsta, u8 tid, u16 ssn, u64 filtered, diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 640441a2f926..dd40c75011d2 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -512,6 +512,7 @@ struct nft_set_elem_expr { * * @list: table set list node * @bindings: list of set bindings + * @refs: internal refcounting for async set destruction * @table: table this set belongs to * @net: netnamespace this set belongs to * @name: name of the set @@ -533,6 +534,7 @@ struct nft_set_elem_expr { * @expr: stateful expression * @ops: set ops * @flags: set flags + * @dead: set will be freed, never cleared * @genmask: generation mask * @klen: key length * @dlen: data length @@ -541,6 +543,7 @@ struct nft_set_elem_expr { struct nft_set { struct list_head list; struct list_head bindings; + refcount_t refs; struct nft_table *table; possible_net_t net; char *name; @@ -562,7 +565,8 @@ struct nft_set { struct list_head pending_update; /* runtime data below here */ const struct nft_set_ops *ops ____cacheline_aligned; - u16 flags:14, + u16 flags:13, + dead:1, genmask:2; u8 klen; u8 dlen; @@ -583,6 +587,11 @@ static inline void *nft_set_priv(const struct nft_set *set) return (void *)set->data; } +static inline bool nft_set_gc_is_pending(const struct nft_set *s) +{ + return refcount_read(&s->refs) != 1; +} + static inline struct nft_set *nft_set_container_of(const void *priv) { return (void *)priv - offsetof(struct nft_set, data); @@ -596,7 +605,6 @@ struct nft_set *nft_set_lookup_global(const struct net *net, struct nft_set_ext *nft_set_catchall_lookup(const struct net *net, const struct nft_set *set); -void *nft_set_catchall_gc(const struct nft_set *set); static inline unsigned long nft_set_gc_interval(const struct nft_set *set) { @@ -813,62 +821,6 @@ void nft_set_elem_destroy(const struct nft_set *set, void *elem, void nf_tables_set_elem_destroy(const struct nft_ctx *ctx, const struct nft_set *set, void *elem); -/** - * struct nft_set_gc_batch_head - nf_tables set garbage collection batch - * - * @rcu: rcu head - * @set: set the elements belong to - * @cnt: count of elements - */ -struct nft_set_gc_batch_head { - struct rcu_head rcu; - const struct nft_set *set; - unsigned int cnt; -}; - -#define NFT_SET_GC_BATCH_SIZE ((PAGE_SIZE - \ - sizeof(struct nft_set_gc_batch_head)) / \ - sizeof(void *)) - -/** - * struct nft_set_gc_batch - nf_tables set garbage collection batch - * - * @head: GC batch head - * @elems: garbage collection elements - */ -struct nft_set_gc_batch { - struct nft_set_gc_batch_head head; - void *elems[NFT_SET_GC_BATCH_SIZE]; -}; - -struct nft_set_gc_batch *nft_set_gc_batch_alloc(const struct nft_set *set, - gfp_t gfp); -void nft_set_gc_batch_release(struct rcu_head *rcu); - -static inline void nft_set_gc_batch_complete(struct nft_set_gc_batch *gcb) -{ - if (gcb != NULL) - call_rcu(&gcb->head.rcu, nft_set_gc_batch_release); -} - -static inline struct nft_set_gc_batch * -nft_set_gc_batch_check(const struct nft_set *set, struct nft_set_gc_batch *gcb, - gfp_t gfp) -{ - if (gcb != NULL) { - if (gcb->head.cnt + 1 < ARRAY_SIZE(gcb->elems)) - return gcb; - nft_set_gc_batch_complete(gcb); - } - return nft_set_gc_batch_alloc(set, gfp); -} - -static inline void nft_set_gc_batch_add(struct nft_set_gc_batch *gcb, - void *elem) -{ - gcb->elems[gcb->head.cnt++] = elem; -} - struct nft_expr_ops; /** * struct nft_expr_type - nf_tables expression type @@ -1557,39 +1509,30 @@ static inline void nft_set_elem_change_active(const struct net *net, #endif /* IS_ENABLED(CONFIG_NF_TABLES) */ -/* - * We use a free bit in the genmask field to indicate the element - * is busy, meaning it is currently being processed either by - * the netlink API or GC. - * - * Even though the genmask is only a single byte wide, this works - * because the extension structure if fully constant once initialized, - * so there are no non-atomic write accesses unless it is already - * marked busy. - */ -#define NFT_SET_ELEM_BUSY_MASK (1 << 2) +#define NFT_SET_ELEM_DEAD_MASK (1 << 2) #if defined(__LITTLE_ENDIAN_BITFIELD) -#define NFT_SET_ELEM_BUSY_BIT 2 +#define NFT_SET_ELEM_DEAD_BIT 2 #elif defined(__BIG_ENDIAN_BITFIELD) -#define NFT_SET_ELEM_BUSY_BIT (BITS_PER_LONG - BITS_PER_BYTE + 2) +#define NFT_SET_ELEM_DEAD_BIT (BITS_PER_LONG - BITS_PER_BYTE + 2) #else #error #endif -static inline int nft_set_elem_mark_busy(struct nft_set_ext *ext) +static inline void nft_set_elem_dead(struct nft_set_ext *ext) { unsigned long *word = (unsigned long *)ext; BUILD_BUG_ON(offsetof(struct nft_set_ext, genmask) != 0); - return test_and_set_bit(NFT_SET_ELEM_BUSY_BIT, word); + set_bit(NFT_SET_ELEM_DEAD_BIT, word); } -static inline void nft_set_elem_clear_busy(struct nft_set_ext *ext) +static inline int nft_set_elem_is_dead(const struct nft_set_ext *ext) { unsigned long *word = (unsigned long *)ext; - clear_bit(NFT_SET_ELEM_BUSY_BIT, word); + BUILD_BUG_ON(offsetof(struct nft_set_ext, genmask) != 0); + return test_bit(NFT_SET_ELEM_DEAD_BIT, word); } /** @@ -1732,6 +1675,38 @@ struct nft_trans_flowtable { #define nft_trans_flowtable_flags(trans) \ (((struct nft_trans_flowtable *)trans->data)->flags) +#define NFT_TRANS_GC_BATCHCOUNT 256 + +struct nft_trans_gc { + struct list_head list; + struct net *net; + struct nft_set *set; + u32 seq; + u8 count; + void *priv[NFT_TRANS_GC_BATCHCOUNT]; + struct rcu_head rcu; +}; + +struct nft_trans_gc *nft_trans_gc_alloc(struct nft_set *set, + unsigned int gc_seq, gfp_t gfp); +void nft_trans_gc_destroy(struct nft_trans_gc *trans); + +struct nft_trans_gc *nft_trans_gc_queue_async(struct nft_trans_gc *gc, + unsigned int gc_seq, gfp_t gfp); +void nft_trans_gc_queue_async_done(struct nft_trans_gc *gc); + +struct nft_trans_gc *nft_trans_gc_queue_sync(struct nft_trans_gc *gc, gfp_t gfp); +void nft_trans_gc_queue_sync_done(struct nft_trans_gc *trans); + +void nft_trans_gc_elem_add(struct nft_trans_gc *gc, void *priv); + +struct nft_trans_gc *nft_trans_gc_catchall(struct nft_trans_gc *gc, + unsigned int gc_seq); + +void nft_setelem_data_deactivate(const struct net *net, + const struct nft_set *set, + struct nft_set_elem *elem); + int __init nft_chain_filter_init(void); void nft_chain_filter_fini(void); @@ -1758,6 +1733,8 @@ struct nftables_pernet { struct mutex commit_mutex; u64 table_handle; unsigned int base_seq; + unsigned int gc_seq; + u8 validate_state; }; extern unsigned int nf_tables_net_id; diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index d9076a7a430c..6506221c5fe3 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -190,8 +190,8 @@ int rtnl_delete_link(struct net_device *dev, u32 portid, const struct nlmsghdr * int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm, u32 portid, const struct nlmsghdr *nlh); -int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len, - struct netlink_ext_ack *exterr); +int rtnl_nla_parse_ifinfomsg(struct nlattr **tb, const struct nlattr *nla_peer, + struct netlink_ext_ack *exterr); struct net *rtnl_get_net_ns_capable(struct sock *sk, int netnsid); #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) diff --git a/include/net/sock.h b/include/net/sock.h index 2eb916d1ff64..690e22139543 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1323,6 +1323,7 @@ struct proto { /* * Pressure flag: try to collapse. * Technical note: it is used by multiple contexts non atomically. + * Make sure to use READ_ONCE()/WRITE_ONCE() for all reads/writes. * All the __sk_mem_schedule() is of this nature: accounting * is strict, actions are advisory and have some latency. */ @@ -1420,6 +1421,12 @@ static inline bool sk_has_memory_pressure(const struct sock *sk) return sk->sk_prot->memory_pressure != NULL; } +static inline bool sk_under_global_memory_pressure(const struct sock *sk) +{ + return sk->sk_prot->memory_pressure && + !!READ_ONCE(*sk->sk_prot->memory_pressure); +} + static inline bool sk_under_memory_pressure(const struct sock *sk) { if (!sk->sk_prot->memory_pressure) @@ -1429,7 +1436,7 @@ static inline bool sk_under_memory_pressure(const struct sock *sk) mem_cgroup_under_socket_pressure(sk->sk_memcg)) return true; - return !!*sk->sk_prot->memory_pressure; + return !!READ_ONCE(*sk->sk_prot->memory_pressure); } static inline long @@ -1506,7 +1513,7 @@ proto_memory_pressure(struct proto *prot) { if (!prot->memory_pressure) return false; - return !!*prot->memory_pressure; + return !!READ_ONCE(*prot->memory_pressure); } diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 151ca95dd08d..363c7d510554 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1984,6 +1984,7 @@ static inline void xfrm_dev_state_free(struct xfrm_state *x) if (dev->xfrmdev_ops->xdo_dev_state_free) dev->xfrmdev_ops->xdo_dev_state_free(x); xso->dev = NULL; + xso->type = XFRM_DEV_OFFLOAD_UNSPECIFIED; netdev_put(dev, &xso->dev_tracker); } } diff --git a/include/trace/events/tcp.h b/include/trace/events/tcp.h index bf06db8d2046..7b1ddffa3dfc 100644 --- a/include/trace/events/tcp.h +++ b/include/trace/events/tcp.h @@ -381,6 +381,7 @@ TRACE_EVENT(tcp_cong_state_set, __field(const void *, skaddr) __field(__u16, sport) __field(__u16, dport) + __field(__u16, family) __array(__u8, saddr, 4) __array(__u8, daddr, 4) __array(__u8, saddr_v6, 16) @@ -396,6 +397,7 @@ TRACE_EVENT(tcp_cong_state_set, __entry->sport = ntohs(inet->inet_sport); __entry->dport = ntohs(inet->inet_dport); + __entry->family = sk->sk_family; p32 = (__be32 *) __entry->saddr; *p32 = inet->inet_saddr; @@ -409,7 +411,8 @@ TRACE_EVENT(tcp_cong_state_set, __entry->cong_state = ca_state; ), - TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c cong_state=%u", + TP_printk("family=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c cong_state=%u", + show_family_name(__entry->family), __entry->sport, __entry->dport, __entry->saddr, __entry->daddr, __entry->saddr_v6, __entry->daddr_v6, diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index fd6c1cb585db..abe087c53b4b 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -820,8 +820,11 @@ __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node) #define __NR_cachestat 451 __SYSCALL(__NR_cachestat, sys_cachestat) +#define __NR_fchmodat2 452 +__SYSCALL(__NR_fchmodat2, sys_fchmodat2) + #undef __NR_syscalls -#define __NR_syscalls 452 +#define __NR_syscalls 453 /* * 32 bit systems traditionally used different diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index 0c8cf359ea5b..e0e159138331 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -443,7 +443,6 @@ typedef struct elf64_shdr { #define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */ #define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode */ #define NT_MIPS_MSA 0x802 /* MIPS SIMD registers */ -#define NT_RISCV_VECTOR 0x900 /* RISC-V vector registers */ #define NT_LOONGARCH_CPUCFG 0xa00 /* LoongArch CPU config registers */ #define NT_LOONGARCH_CSR 0xa01 /* LoongArch control and status registers */ #define NT_LOONGARCH_LSX 0xa02 /* LoongArch Loongson SIMD Extension registers */ diff --git a/include/uapi/linux/mount.h b/include/uapi/linux/mount.h index 8eb0d7b758d2..bb242fdcfe6b 100644 --- a/include/uapi/linux/mount.h +++ b/include/uapi/linux/mount.h @@ -100,8 +100,9 @@ enum fsconfig_command { FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */ FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */ FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */ - FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */ + FSCONFIG_CMD_CREATE = 6, /* Create new or reuse existing superblock */ FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */ + FSCONFIG_CMD_CREATE_EXCL = 8, /* Create new superblock, fail if reusing existing superblock */ }; /* diff --git a/include/uapi/linux/quota.h b/include/uapi/linux/quota.h index f17c9636a859..52090105b828 100644 --- a/include/uapi/linux/quota.h +++ b/include/uapi/linux/quota.h @@ -77,6 +77,7 @@ #define QFMT_VFS_V0 2 #define QFMT_OCFS2 3 #define QFMT_VFS_V1 4 +#define QFMT_SHMEM 5 /* Size of block in which space limits are passed through the quota * interface */ diff --git a/include/video/kyro.h b/include/video/kyro.h index b958c2e9c915..418eef6c5523 100644 --- a/include/video/kyro.h +++ b/include/video/kyro.h @@ -38,18 +38,6 @@ struct kyrofb_info { int wc_cookie; }; -extern int kyro_dev_init(void); -extern void kyro_dev_reset(void); - -extern unsigned char *kyro_dev_physical_fb_ptr(void); -extern unsigned char *kyro_dev_virtual_fb_ptr(void); -extern void *kyro_dev_physical_regs_ptr(void); -extern void *kyro_dev_virtual_regs_ptr(void); -extern unsigned int kyro_dev_fb_size(void); -extern unsigned int kyro_dev_regs_size(void); - -extern u32 kyro_dev_overlay_offset(void); - /* * benedict.gaster@superh.com * Added the follow IOCTLS for the creation of overlay services... diff --git a/init/do_mounts.c b/init/do_mounts.c index 1aa015883519..5dfd30b13f48 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/ramfs.h> #include <linux/shmem_fs.h> +#include <linux/ktime.h> #include <linux/nfs_fs.h> #include <linux/nfs_fs_sb.h> @@ -71,12 +72,37 @@ static int __init rootwait_setup(char *str) { if (*str) return 0; - root_wait = 1; + root_wait = -1; return 1; } __setup("rootwait", rootwait_setup); +static int __init rootwait_timeout_setup(char *str) +{ + int sec; + + if (kstrtoint(str, 0, &sec) || sec < 0) { + pr_warn("ignoring invalid rootwait value\n"); + goto ignore; + } + + if (check_mul_overflow(sec, MSEC_PER_SEC, &root_wait)) { + pr_warn("ignoring excessive rootwait value\n"); + goto ignore; + } + + return 1; + +ignore: + /* Fallback to indefinite wait */ + root_wait = -1; + + return 1; +} + +__setup("rootwait=", rootwait_timeout_setup); + static char * __initdata root_mount_data; static int __init root_data_setup(char *str) { @@ -384,14 +410,22 @@ void __init mount_root(char *root_device_name) /* wait for any asynchronous scanning to complete */ static void __init wait_for_root(char *root_device_name) { + ktime_t end; + if (ROOT_DEV != 0) return; pr_info("Waiting for root device %s...\n", root_device_name); + end = ktime_add_ms(ktime_get_raw(), root_wait); + while (!driver_probe_done() || - early_lookup_bdev(root_device_name, &ROOT_DEV) < 0) + early_lookup_bdev(root_device_name, &ROOT_DEV) < 0) { msleep(5); + if (root_wait > 0 && ktime_after(ktime_get_raw(), end)) + break; + } + async_synchronize_full(); } diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index f4591b912ea8..93db3e4e7b68 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -3470,6 +3470,8 @@ static unsigned long io_uring_mmu_get_unmapped_area(struct file *filp, * - use the kernel virtual address of the shared io_uring context * (instead of the userspace-provided address, which has to be 0UL * anyway). + * - use the same pgoff which the get_unmapped_area() uses to + * calculate the page colouring. * For architectures without such aliasing requirements, the * architecture will return any suitable mapping because addr is 0. */ @@ -3478,6 +3480,7 @@ static unsigned long io_uring_mmu_get_unmapped_area(struct file *filp, pgoff = 0; /* has been translated to ptr above */ #ifdef SHM_COLOUR addr = (uintptr_t) ptr; + pgoff = addr >> PAGE_SHIFT; #else addr = 0UL; #endif diff --git a/io_uring/openclose.c b/io_uring/openclose.c index 10ca57f5bd24..e3fae26e025d 100644 --- a/io_uring/openclose.c +++ b/io_uring/openclose.c @@ -35,9 +35,11 @@ static bool io_openat_force_async(struct io_open *open) { /* * Don't bother trying for O_TRUNC, O_CREAT, or O_TMPFILE open, - * it'll always -EAGAIN + * it'll always -EAGAIN. Note that we test for __O_TMPFILE because + * O_TMPFILE includes O_DIRECTORY, which isn't a flag we need to force + * async for. */ - return open->how.flags & (O_TRUNC | O_CREAT | O_TMPFILE); + return open->how.flags & (O_TRUNC | O_CREAT | __O_TMPFILE); } static int __io_openat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) diff --git a/io_uring/rw.c b/io_uring/rw.c index 1bce2208b65c..9581b90cb459 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -220,17 +220,12 @@ static bool io_rw_should_reissue(struct io_kiocb *req) } #endif -static void kiocb_end_write(struct io_kiocb *req) +static void io_req_end_write(struct io_kiocb *req) { - /* - * Tell lockdep we inherited freeze protection from submission - * thread. - */ if (req->flags & REQ_F_ISREG) { - struct super_block *sb = file_inode(req->file)->i_sb; + struct io_rw *rw = io_kiocb_to_cmd(req, struct io_rw); - __sb_writers_acquired(sb, SB_FREEZE_WRITE); - sb_end_write(sb); + kiocb_end_write(&rw->kiocb); } } @@ -243,7 +238,7 @@ static void io_req_io_end(struct io_kiocb *req) struct io_rw *rw = io_kiocb_to_cmd(req, struct io_rw); if (rw->kiocb.ki_flags & IOCB_WRITE) { - kiocb_end_write(req); + io_req_end_write(req); fsnotify_modify(req->file); } else { fsnotify_access(req->file); @@ -313,7 +308,7 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res) struct io_kiocb *req = cmd_to_io_kiocb(rw); if (kiocb->ki_flags & IOCB_WRITE) - kiocb_end_write(req); + io_req_end_write(req); if (unlikely(res != req->cqe.res)) { if (res == -EAGAIN && io_rw_should_reissue(req)) { req->flags |= REQ_F_REISSUE | REQ_F_PARTIAL_IO; @@ -902,18 +897,8 @@ int io_write(struct io_kiocb *req, unsigned int issue_flags) return ret; } - /* - * Open-code file_start_write here to grab freeze protection, - * which will be released by another thread in - * io_complete_rw(). Fool lockdep by telling it the lock got - * released so that it doesn't complain about the held lock when - * we return to userspace. - */ - if (req->flags & REQ_F_ISREG) { - sb_start_write(file_inode(req->file)->i_sb); - __sb_writers_release(file_inode(req->file)->i_sb, - SB_FREEZE_WRITE); - } + if (req->flags & REQ_F_ISREG) + kiocb_start_write(kiocb); kiocb->ki_flags |= IOCB_WRITE; if (likely(req->file->f_op->write_iter)) @@ -961,7 +946,7 @@ int io_write(struct io_kiocb *req, unsigned int issue_flags) io->bytes_done += ret2; if (kiocb->ki_flags & IOCB_WRITE) - kiocb_end_write(req); + io_req_end_write(req); return ret ? ret : -EAGAIN; } done: @@ -972,7 +957,7 @@ copy_iov: ret = io_setup_async_rw(req, iovec, s, false); if (!ret) { if (kiocb->ki_flags & IOCB_WRITE) - kiocb_end_write(req); + io_req_end_write(req); return -EAGAIN; } return ret; diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 71881bddad25..ba8215ed663a 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -302,7 +302,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb, inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_mtime = inode->i_ctime = inode->i_atime = current_time(inode); + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); if (S_ISREG(mode)) { struct mqueue_inode_info *info; @@ -596,7 +596,7 @@ static int mqueue_create_attr(struct dentry *dentry, umode_t mode, void *arg) put_ipc_ns(ipc_ns); dir->i_size += DIRENT_SIZE; - dir->i_ctime = dir->i_mtime = dir->i_atime = current_time(dir); + dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir); d_instantiate(dentry, inode); dget(dentry); @@ -618,7 +618,7 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(dentry); - dir->i_ctime = dir->i_mtime = dir->i_atime = current_time(dir); + dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir); dir->i_size -= DIRENT_SIZE; drop_nlink(inode); dput(dentry); @@ -635,7 +635,8 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry) static ssize_t mqueue_read_file(struct file *filp, char __user *u_data, size_t count, loff_t *off) { - struct mqueue_inode_info *info = MQUEUE_I(file_inode(filp)); + struct inode *inode = file_inode(filp); + struct mqueue_inode_info *info = MQUEUE_I(inode); char buffer[FILENT_SIZE]; ssize_t ret; @@ -656,7 +657,7 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data, if (ret <= 0) return ret; - file_inode(filp)->i_atime = file_inode(filp)->i_ctime = current_time(file_inode(filp)); + inode->i_atime = inode_set_ctime_current(inode); return ret; } @@ -1162,8 +1163,7 @@ static int do_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr, goto out_unlock; __do_notify(info); } - inode->i_atime = inode->i_mtime = inode->i_ctime = - current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); } out_unlock: spin_unlock(&info->lock); @@ -1257,8 +1257,7 @@ static int do_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr, msg_ptr = msg_get(info); - inode->i_atime = inode->i_mtime = inode->i_ctime = - current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); /* There is now free space in queue. */ pipelined_receive(&wake_q, info); @@ -1396,7 +1395,7 @@ retry: if (notification == NULL) { if (info->notify_owner == task_tgid(current)) { remove_notification(info); - inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_atime = inode_set_ctime_current(inode); } } else if (info->notify_owner != NULL) { ret = -EBUSY; @@ -1422,7 +1421,7 @@ retry: info->notify_owner = get_pid(task_tgid(current)); info->notify_user_ns = get_user_ns(current_user_ns()); - inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_atime = inode_set_ctime_current(inode); } spin_unlock(&info->lock); out_fput: @@ -1485,7 +1484,7 @@ static int do_mq_getsetattr(int mqdes, struct mq_attr *new, struct mq_attr *old) f.file->f_flags &= ~O_NONBLOCK; spin_unlock(&f.file->f_lock); - inode->i_atime = inode->i_ctime = current_time(inode); + inode->i_atime = inode_set_ctime_current(inode); } spin_unlock(&info->lock); diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index 4174f76133df..99d0625b6c82 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -118,9 +118,8 @@ static struct inode *bpf_get_inode(struct super_block *sb, return ERR_PTR(-ENOSPC); inode->i_ino = get_next_ino(); - inode->i_atime = current_time(inode); + inode->i_atime = inode_set_ctime_current(inode); inode->i_mtime = inode->i_atime; - inode->i_ctime = inode->i_atime; inode_init_owner(&nop_mnt_idmap, inode, dir, mode); @@ -148,8 +147,7 @@ static void bpf_dentry_finalize(struct dentry *dentry, struct inode *inode, d_instantiate(dentry, inode); dget(dentry); - dir->i_mtime = current_time(dir); - dir->i_ctime = dir->i_mtime; + dir->i_mtime = inode_set_ctime_current(dir); } static int bpf_mkdir(struct mnt_idmap *idmap, struct inode *dir, diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index edec335c0a7a..5f2c66860ac6 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -68,11 +68,16 @@ static int irq_sw_resend(struct irq_desc *desc) */ if (!desc->parent_irq) return -EINVAL; + + desc = irq_to_desc(desc->parent_irq); + if (!desc) + return -EINVAL; } /* Add to resend_list and activate the softirq: */ raw_spin_lock(&irq_resend_lock); - hlist_add_head(&desc->resend_node, &irq_resend_list); + if (hlist_unhashed(&desc->resend_node)) + hlist_add_head(&desc->resend_node, &irq_resend_list); raw_spin_unlock(&irq_resend_lock); tasklet_schedule(&resend_tasklet); return 0; diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index e1b4bfa938dd..2b4a946a6ff5 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -1166,7 +1166,7 @@ static ssize_t resume_store(struct kobject *kobj, struct kobj_attribute *attr, int error; if (!hibernation_available()) - return 0; + return n; if (len && buf[len-1] == '\n') len--; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b8870078ef58..8e64aaad5361 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4213,8 +4213,15 @@ static void *s_start(struct seq_file *m, loff_t *pos) * will point to the same string as current_trace->name. */ mutex_lock(&trace_types_lock); - if (unlikely(tr->current_trace && iter->trace->name != tr->current_trace->name)) + if (unlikely(tr->current_trace && iter->trace->name != tr->current_trace->name)) { + /* Close iter->trace before switching to the new current tracer */ + if (iter->trace->close) + iter->trace->close(iter); *iter->trace = *tr->current_trace; + /* Reopen the new current tracer */ + if (iter->trace->open) + iter->trace->open(iter); + } mutex_unlock(&trace_types_lock); #ifdef CONFIG_TRACER_MAX_TRACE @@ -5277,11 +5284,17 @@ int tracing_set_cpumask(struct trace_array *tr, !cpumask_test_cpu(cpu, tracing_cpumask_new)) { atomic_inc(&per_cpu_ptr(tr->array_buffer.data, cpu)->disabled); ring_buffer_record_disable_cpu(tr->array_buffer.buffer, cpu); +#ifdef CONFIG_TRACER_MAX_TRACE + ring_buffer_record_disable_cpu(tr->max_buffer.buffer, cpu); +#endif } if (!cpumask_test_cpu(cpu, tr->tracing_cpumask) && cpumask_test_cpu(cpu, tracing_cpumask_new)) { atomic_dec(&per_cpu_ptr(tr->array_buffer.data, cpu)->disabled); ring_buffer_record_enable_cpu(tr->array_buffer.buffer, cpu); +#ifdef CONFIG_TRACER_MAX_TRACE + ring_buffer_record_enable_cpu(tr->max_buffer.buffer, cpu); +#endif } } arch_spin_unlock(&tr->max_lock); @@ -6705,10 +6718,36 @@ tracing_max_lat_write(struct file *filp, const char __user *ubuf, #endif +static int open_pipe_on_cpu(struct trace_array *tr, int cpu) +{ + if (cpu == RING_BUFFER_ALL_CPUS) { + if (cpumask_empty(tr->pipe_cpumask)) { + cpumask_setall(tr->pipe_cpumask); + return 0; + } + } else if (!cpumask_test_cpu(cpu, tr->pipe_cpumask)) { + cpumask_set_cpu(cpu, tr->pipe_cpumask); + return 0; + } + return -EBUSY; +} + +static void close_pipe_on_cpu(struct trace_array *tr, int cpu) +{ + if (cpu == RING_BUFFER_ALL_CPUS) { + WARN_ON(!cpumask_full(tr->pipe_cpumask)); + cpumask_clear(tr->pipe_cpumask); + } else { + WARN_ON(!cpumask_test_cpu(cpu, tr->pipe_cpumask)); + cpumask_clear_cpu(cpu, tr->pipe_cpumask); + } +} + static int tracing_open_pipe(struct inode *inode, struct file *filp) { struct trace_array *tr = inode->i_private; struct trace_iterator *iter; + int cpu; int ret; ret = tracing_check_open_get_tr(tr); @@ -6716,13 +6755,16 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp) return ret; mutex_lock(&trace_types_lock); + cpu = tracing_get_cpu(inode); + ret = open_pipe_on_cpu(tr, cpu); + if (ret) + goto fail_pipe_on_cpu; /* create a buffer to store the information to pass to userspace */ iter = kzalloc(sizeof(*iter), GFP_KERNEL); if (!iter) { ret = -ENOMEM; - __trace_array_put(tr); - goto out; + goto fail_alloc_iter; } trace_seq_init(&iter->seq); @@ -6745,7 +6787,7 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp) iter->tr = tr; iter->array_buffer = &tr->array_buffer; - iter->cpu_file = tracing_get_cpu(inode); + iter->cpu_file = cpu; mutex_init(&iter->mutex); filp->private_data = iter; @@ -6755,12 +6797,15 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp) nonseekable_open(inode, filp); tr->trace_ref++; -out: + mutex_unlock(&trace_types_lock); return ret; fail: kfree(iter); +fail_alloc_iter: + close_pipe_on_cpu(tr, cpu); +fail_pipe_on_cpu: __trace_array_put(tr); mutex_unlock(&trace_types_lock); return ret; @@ -6777,7 +6822,7 @@ static int tracing_release_pipe(struct inode *inode, struct file *file) if (iter->trace->pipe_close) iter->trace->pipe_close(iter); - + close_pipe_on_cpu(tr, iter->cpu_file); mutex_unlock(&trace_types_lock); free_cpumask_var(iter->started); @@ -9441,6 +9486,9 @@ static struct trace_array *trace_array_create(const char *name) if (!alloc_cpumask_var(&tr->tracing_cpumask, GFP_KERNEL)) goto out_free_tr; + if (!alloc_cpumask_var(&tr->pipe_cpumask, GFP_KERNEL)) + goto out_free_tr; + tr->trace_flags = global_trace.trace_flags & ~ZEROED_TRACE_FLAGS; cpumask_copy(tr->tracing_cpumask, cpu_all_mask); @@ -9482,6 +9530,7 @@ static struct trace_array *trace_array_create(const char *name) out_free_tr: ftrace_free_ftrace_ops(tr); free_trace_buffers(tr); + free_cpumask_var(tr->pipe_cpumask); free_cpumask_var(tr->tracing_cpumask); kfree(tr->name); kfree(tr); @@ -9584,6 +9633,7 @@ static int __remove_instance(struct trace_array *tr) } kfree(tr->topts); + free_cpumask_var(tr->pipe_cpumask); free_cpumask_var(tr->tracing_cpumask); kfree(tr->name); kfree(tr); @@ -10381,12 +10431,14 @@ __init static int tracer_alloc_buffers(void) if (trace_create_savedcmd() < 0) goto out_free_temp_buffer; + if (!alloc_cpumask_var(&global_trace.pipe_cpumask, GFP_KERNEL)) + goto out_free_savedcmd; + /* TODO: make the number of buffers hot pluggable with CPUS */ if (allocate_trace_buffers(&global_trace, ring_buf_size) < 0) { MEM_FAIL(1, "tracer: failed to allocate ring buffer!\n"); - goto out_free_savedcmd; + goto out_free_pipe_cpumask; } - if (global_trace.buffer_disabled) tracing_off(); @@ -10439,6 +10491,8 @@ __init static int tracer_alloc_buffers(void) return 0; +out_free_pipe_cpumask: + free_cpumask_var(global_trace.pipe_cpumask); out_free_savedcmd: free_saved_cmdlines_buffer(savedcmd); out_free_temp_buffer: diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index e1edc2197fc8..73eaec158473 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -377,6 +377,8 @@ struct trace_array { struct list_head events; struct trace_event_file *trace_marker_file; cpumask_var_t tracing_cpumask; /* only trace on set CPUs */ + /* one per_cpu trace_pipe can be opened by only one user */ + cpumask_var_t pipe_cpumask; int ref; int trace_ref; #ifdef CONFIG_FUNCTION_TRACER @@ -1295,6 +1297,14 @@ static inline void trace_branch_disable(void) /* set ring buffers to default size if not already done so */ int tracing_update_buffers(void); +union trace_synth_field { + u8 as_u8; + u16 as_u16; + u32 as_u32; + u64 as_u64; + struct trace_dynamic_info as_dynamic; +}; + struct ftrace_event_field { struct list_head link; const char *name; diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c index dd398afc8e25..9897d0bfcab7 100644 --- a/kernel/trace/trace_events_synth.c +++ b/kernel/trace/trace_events_synth.c @@ -127,7 +127,7 @@ static bool synth_event_match(const char *system, const char *event, struct synth_trace_event { struct trace_entry ent; - u64 fields[]; + union trace_synth_field fields[]; }; static int synth_event_define_fields(struct trace_event_call *call) @@ -321,19 +321,19 @@ static const char *synth_field_fmt(char *type) static void print_synth_event_num_val(struct trace_seq *s, char *print_fmt, char *name, - int size, u64 val, char *space) + int size, union trace_synth_field *val, char *space) { switch (size) { case 1: - trace_seq_printf(s, print_fmt, name, (u8)val, space); + trace_seq_printf(s, print_fmt, name, val->as_u8, space); break; case 2: - trace_seq_printf(s, print_fmt, name, (u16)val, space); + trace_seq_printf(s, print_fmt, name, val->as_u16, space); break; case 4: - trace_seq_printf(s, print_fmt, name, (u32)val, space); + trace_seq_printf(s, print_fmt, name, val->as_u32, space); break; default: @@ -350,7 +350,7 @@ static enum print_line_t print_synth_event(struct trace_iterator *iter, struct trace_seq *s = &iter->seq; struct synth_trace_event *entry; struct synth_event *se; - unsigned int i, n_u64; + unsigned int i, j, n_u64; char print_fmt[32]; const char *fmt; @@ -374,43 +374,28 @@ static enum print_line_t print_synth_event(struct trace_iterator *iter, /* parameter values */ if (se->fields[i]->is_string) { if (se->fields[i]->is_dynamic) { - u32 offset, data_offset; - char *str_field; - - offset = (u32)entry->fields[n_u64]; - data_offset = offset & 0xffff; - - str_field = (char *)entry + data_offset; + union trace_synth_field *data = &entry->fields[n_u64]; trace_seq_printf(s, print_fmt, se->fields[i]->name, STR_VAR_LEN_MAX, - str_field, + (char *)entry + data->as_dynamic.offset, i == se->n_fields - 1 ? "" : " "); n_u64++; } else { trace_seq_printf(s, print_fmt, se->fields[i]->name, STR_VAR_LEN_MAX, - (char *)&entry->fields[n_u64], + (char *)&entry->fields[n_u64].as_u64, i == se->n_fields - 1 ? "" : " "); n_u64 += STR_VAR_LEN_MAX / sizeof(u64); } } else if (se->fields[i]->is_stack) { - u32 offset, data_offset, len; - unsigned long *p, *end; - - offset = (u32)entry->fields[n_u64]; - data_offset = offset & 0xffff; - len = offset >> 16; - - p = (void *)entry + data_offset; - end = (void *)p + len - (sizeof(long) - 1); + union trace_synth_field *data = &entry->fields[n_u64]; + unsigned long *p = (void *)entry + data->as_dynamic.offset; trace_seq_printf(s, "%s=STACK:\n", se->fields[i]->name); - - for (; *p && p < end; p++) - trace_seq_printf(s, "=> %pS\n", (void *)*p); + for (j = 1; j < data->as_dynamic.len / sizeof(long); j++) + trace_seq_printf(s, "=> %pS\n", (void *)p[j]); n_u64++; - } else { struct trace_print_flags __flags[] = { __def_gfpflag_names, {-1, NULL} }; @@ -419,13 +404,13 @@ static enum print_line_t print_synth_event(struct trace_iterator *iter, print_synth_event_num_val(s, print_fmt, se->fields[i]->name, se->fields[i]->size, - entry->fields[n_u64], + &entry->fields[n_u64], space); if (strcmp(se->fields[i]->type, "gfp_t") == 0) { trace_seq_puts(s, " ("); trace_print_flags_seq(s, "|", - entry->fields[n_u64], + entry->fields[n_u64].as_u64, __flags); trace_seq_putc(s, ')'); } @@ -454,21 +439,16 @@ static unsigned int trace_string(struct synth_trace_event *entry, int ret; if (is_dynamic) { - u32 data_offset; - - data_offset = struct_size(entry, fields, event->n_u64); - data_offset += data_size; - - len = fetch_store_strlen((unsigned long)str_val); + union trace_synth_field *data = &entry->fields[*n_u64]; - data_offset |= len << 16; - *(u32 *)&entry->fields[*n_u64] = data_offset; + data->as_dynamic.offset = struct_size(entry, fields, event->n_u64) + data_size; + data->as_dynamic.len = fetch_store_strlen((unsigned long)str_val); ret = fetch_store_string((unsigned long)str_val, &entry->fields[*n_u64], entry); (*n_u64)++; } else { - str_field = (char *)&entry->fields[*n_u64]; + str_field = (char *)&entry->fields[*n_u64].as_u64; #ifdef CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if ((unsigned long)str_val < TASK_SIZE) @@ -492,6 +472,7 @@ static unsigned int trace_stack(struct synth_trace_event *entry, unsigned int data_size, unsigned int *n_u64) { + union trace_synth_field *data = &entry->fields[*n_u64]; unsigned int len; u32 data_offset; void *data_loc; @@ -504,10 +485,6 @@ static unsigned int trace_stack(struct synth_trace_event *entry, break; } - /* Include the zero'd element if it fits */ - if (len < HIST_STACKTRACE_DEPTH) - len++; - len *= sizeof(long); /* Find the dynamic section to copy the stack into. */ @@ -515,8 +492,9 @@ static unsigned int trace_stack(struct synth_trace_event *entry, memcpy(data_loc, stack, len); /* Fill in the field that holds the offset/len combo */ - data_offset |= len << 16; - *(u32 *)&entry->fields[*n_u64] = data_offset; + + data->as_dynamic.offset = data_offset; + data->as_dynamic.len = len; (*n_u64)++; @@ -550,7 +528,8 @@ static notrace void trace_event_raw_event_synth(void *__data, str_val = (char *)(long)var_ref_vals[val_idx]; if (event->dynamic_fields[i]->is_stack) { - len = *((unsigned long *)str_val); + /* reserve one extra element for size */ + len = *((unsigned long *)str_val) + 1; len *= sizeof(unsigned long); } else { len = fetch_store_strlen((unsigned long)str_val); @@ -592,19 +571,19 @@ static notrace void trace_event_raw_event_synth(void *__data, switch (field->size) { case 1: - *(u8 *)&entry->fields[n_u64] = (u8)val; + entry->fields[n_u64].as_u8 = (u8)val; break; case 2: - *(u16 *)&entry->fields[n_u64] = (u16)val; + entry->fields[n_u64].as_u16 = (u16)val; break; case 4: - *(u32 *)&entry->fields[n_u64] = (u32)val; + entry->fields[n_u64].as_u32 = (u32)val; break; default: - entry->fields[n_u64] = val; + entry->fields[n_u64].as_u64 = val; break; } n_u64++; @@ -1791,19 +1770,19 @@ int synth_event_trace(struct trace_event_file *file, unsigned int n_vals, ...) switch (field->size) { case 1: - *(u8 *)&state.entry->fields[n_u64] = (u8)val; + state.entry->fields[n_u64].as_u8 = (u8)val; break; case 2: - *(u16 *)&state.entry->fields[n_u64] = (u16)val; + state.entry->fields[n_u64].as_u16 = (u16)val; break; case 4: - *(u32 *)&state.entry->fields[n_u64] = (u32)val; + state.entry->fields[n_u64].as_u32 = (u32)val; break; default: - state.entry->fields[n_u64] = val; + state.entry->fields[n_u64].as_u64 = val; break; } n_u64++; @@ -1884,19 +1863,19 @@ int synth_event_trace_array(struct trace_event_file *file, u64 *vals, switch (field->size) { case 1: - *(u8 *)&state.entry->fields[n_u64] = (u8)val; + state.entry->fields[n_u64].as_u8 = (u8)val; break; case 2: - *(u16 *)&state.entry->fields[n_u64] = (u16)val; + state.entry->fields[n_u64].as_u16 = (u16)val; break; case 4: - *(u32 *)&state.entry->fields[n_u64] = (u32)val; + state.entry->fields[n_u64].as_u32 = (u32)val; break; default: - state.entry->fields[n_u64] = val; + state.entry->fields[n_u64].as_u64 = val; break; } n_u64++; @@ -2031,19 +2010,19 @@ static int __synth_event_add_val(const char *field_name, u64 val, } else { switch (field->size) { case 1: - *(u8 *)&trace_state->entry->fields[field->offset] = (u8)val; + trace_state->entry->fields[field->offset].as_u8 = (u8)val; break; case 2: - *(u16 *)&trace_state->entry->fields[field->offset] = (u16)val; + trace_state->entry->fields[field->offset].as_u16 = (u16)val; break; case 4: - *(u32 *)&trace_state->entry->fields[field->offset] = (u32)val; + trace_state->entry->fields[field->offset].as_u32 = (u32)val; break; default: - trace_state->entry->fields[field->offset] = val; + trace_state->entry->fields[field->offset].as_u64 = val; break; } } diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index 590b3d51afae..ba37f768e2f2 100644 --- a/kernel/trace/trace_irqsoff.c +++ b/kernel/trace/trace_irqsoff.c @@ -231,7 +231,8 @@ static void irqsoff_trace_open(struct trace_iterator *iter) { if (is_graph(iter->tr)) graph_trace_open(iter); - + else + iter->private = NULL; } static void irqsoff_trace_close(struct trace_iterator *iter) diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index 330aee1c1a49..0469a04a355f 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c @@ -168,6 +168,8 @@ static void wakeup_trace_open(struct trace_iterator *iter) { if (is_graph(iter->tr)) graph_trace_open(iter); + else + iter->private = NULL; } static void wakeup_trace_close(struct trace_iterator *iter) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 02a8f402eeb5..800b4208dba9 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -52,6 +52,7 @@ #include <linux/sched/debug.h> #include <linux/nmi.h> #include <linux/kvm_para.h> +#include <linux/delay.h> #include "workqueue_internal.h" @@ -338,8 +339,10 @@ static cpumask_var_t *wq_numa_possible_cpumask; * Per-cpu work items which run for longer than the following threshold are * automatically considered CPU intensive and excluded from concurrency * management to prevent them from noticeably delaying other per-cpu work items. + * ULONG_MAX indicates that the user hasn't overridden it with a boot parameter. + * The actual value is initialized in wq_cpu_intensive_thresh_init(). */ -static unsigned long wq_cpu_intensive_thresh_us = 10000; +static unsigned long wq_cpu_intensive_thresh_us = ULONG_MAX; module_param_named(cpu_intensive_thresh_us, wq_cpu_intensive_thresh_us, ulong, 0644); static bool wq_disable_numa; @@ -6513,6 +6516,42 @@ void __init workqueue_init_early(void) !system_freezable_power_efficient_wq); } +static void __init wq_cpu_intensive_thresh_init(void) +{ + unsigned long thresh; + unsigned long bogo; + + /* if the user set it to a specific value, keep it */ + if (wq_cpu_intensive_thresh_us != ULONG_MAX) + return; + + /* + * The default of 10ms is derived from the fact that most modern (as of + * 2023) processors can do a lot in 10ms and that it's just below what + * most consider human-perceivable. However, the kernel also runs on a + * lot slower CPUs including microcontrollers where the threshold is way + * too low. + * + * Let's scale up the threshold upto 1 second if BogoMips is below 4000. + * This is by no means accurate but it doesn't have to be. The mechanism + * is still useful even when the threshold is fully scaled up. Also, as + * the reports would usually be applicable to everyone, some machines + * operating on longer thresholds won't significantly diminish their + * usefulness. + */ + thresh = 10 * USEC_PER_MSEC; + + /* see init/calibrate.c for lpj -> BogoMIPS calculation */ + bogo = max_t(unsigned long, loops_per_jiffy / 500000 * HZ, 1); + if (bogo < 4000) + thresh = min_t(unsigned long, thresh * 4000 / bogo, USEC_PER_SEC); + + pr_debug("wq_cpu_intensive_thresh: lpj=%lu BogoMIPS=%lu thresh_us=%lu\n", + loops_per_jiffy, bogo, thresh); + + wq_cpu_intensive_thresh_us = thresh; +} + /** * workqueue_init - bring workqueue subsystem fully online * @@ -6528,6 +6567,8 @@ void __init workqueue_init(void) struct worker_pool *pool; int cpu, bkt; + wq_cpu_intensive_thresh_init(); + /* * It'd be simpler to initialize NUMA in workqueue_init_early() but * CPU to node mapping may not be available that early on some diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index fbc89baf7de6..d6798513a8c2 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1200,7 +1200,7 @@ config WQ_CPU_INTENSIVE_REPORT help Say Y here to enable reporting of concurrency-managed per-cpu work items that hog CPUs for longer than - workqueue.cpu_intensive_threshold_us. Workqueue automatically + workqueue.cpu_intensive_thresh_us. Workqueue automatically detects and excludes them from concurrency management to prevent them from stalling other per-cpu work items. Occassional triggering may not necessarily indicate a problem. Repeated diff --git a/lib/clz_ctz.c b/lib/clz_ctz.c index 0d3a686b5ba2..fb8c0c5c2bd2 100644 --- a/lib/clz_ctz.c +++ b/lib/clz_ctz.c @@ -28,36 +28,16 @@ int __weak __clzsi2(int val) } EXPORT_SYMBOL(__clzsi2); -int __weak __clzdi2(long val); -int __weak __ctzdi2(long val); -#if BITS_PER_LONG == 32 - -int __weak __clzdi2(long val) +int __weak __clzdi2(u64 val); +int __weak __clzdi2(u64 val) { - return 32 - fls((int)val); + return 64 - fls64(val); } EXPORT_SYMBOL(__clzdi2); -int __weak __ctzdi2(long val) +int __weak __ctzdi2(u64 val); +int __weak __ctzdi2(u64 val) { - return __ffs((u32)val); + return __ffs64(val); } EXPORT_SYMBOL(__ctzdi2); - -#elif BITS_PER_LONG == 64 - -int __weak __clzdi2(long val) -{ - return 64 - fls64((u64)val); -} -EXPORT_SYMBOL(__clzdi2); - -int __weak __ctzdi2(long val) -{ - return __ffs64((u64)val); -} -EXPORT_SYMBOL(__ctzdi2); - -#else -#error BITS_PER_LONG not 32 or 64 -#endif diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 4dd73cf936a6..f723024e1426 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -4265,6 +4265,10 @@ static inline unsigned char mas_wr_new_end(struct ma_wr_state *wr_mas) * mas_wr_append: Attempt to append * @wr_mas: the maple write state * + * This is currently unsafe in rcu mode since the end of the node may be cached + * by readers while the node contents may be updated which could result in + * inaccurate information. + * * Return: True if appended, false otherwise */ static inline bool mas_wr_append(struct ma_wr_state *wr_mas) @@ -4274,6 +4278,9 @@ static inline bool mas_wr_append(struct ma_wr_state *wr_mas) struct ma_state *mas = wr_mas->mas; unsigned char node_pivots = mt_pivots[wr_mas->type]; + if (mt_in_rcu(mas->tree)) + return false; + if (mas->offset != wr_mas->node_end) return false; diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 1a31065b2036..976b9bd02a1b 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1136,7 +1136,6 @@ static void set_iter_tags(struct radix_tree_iter *iter, void __rcu **radix_tree_iter_resume(void __rcu **slot, struct radix_tree_iter *iter) { - slot++; iter->index = __radix_tree_iter_add(iter, 1); iter->next_index = iter->index; iter->tags = 0; diff --git a/lib/scatterlist.c b/lib/scatterlist.c index e86231a44c3d..c65566b4dc66 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -1148,7 +1148,7 @@ static ssize_t extract_user_to_sg(struct iov_iter *iter, failed: while (sgtable->nents > sgtable->orig_nents) - put_page(sg_page(&sgtable->sgl[--sgtable->nents])); + unpin_user_page(sg_page(&sgtable->sgl[--sgtable->nents])); return res; } diff --git a/mm/Makefile b/mm/Makefile index 678530a07326..d4ee20988dd1 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -51,7 +51,7 @@ obj-y := filemap.o mempool.o oom_kill.o fadvise.o \ readahead.o swap.o truncate.o vmscan.o shmem.o \ util.o mmzone.o vmstat.o backing-dev.o \ mm_init.o percpu.o slab_common.o \ - compaction.o show_mem.o\ + compaction.o show_mem.o shmem_quota.o\ interval_tree.o list_lru.o workingset.o \ debug.o gup.o mmap_lock.o $(mmu-y) diff --git a/mm/compaction.c b/mm/compaction.c index dbc9f86b1934..eacca2794e47 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -912,11 +912,12 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, /* * Check if the pageblock has already been marked skipped. - * Only the aligned PFN is checked as the caller isolates + * Only the first PFN is checked as the caller isolates * COMPACT_CLUSTER_MAX at a time so the second call must * not falsely conclude that the block should be skipped. */ - if (!valid_page && pageblock_aligned(low_pfn)) { + if (!valid_page && (pageblock_aligned(low_pfn) || + low_pfn == cc->zone->zone_start_pfn)) { if (!isolation_suitable(cc, page)) { low_pfn = end_pfn; folio = NULL; @@ -2002,7 +2003,8 @@ static isolate_migrate_t isolate_migratepages(struct compact_control *cc) * before making it "skip" so other compaction instances do * not scan the same block. */ - if (pageblock_aligned(low_pfn) && + if ((pageblock_aligned(low_pfn) || + low_pfn == cc->zone->zone_start_pfn) && !fast_find_block && !isolation_suitable(cc, page)) continue; diff --git a/mm/damon/core.c b/mm/damon/core.c index 91cff7f2997e..eb9580942a5c 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -273,6 +273,7 @@ struct damos_filter *damos_new_filter(enum damos_filter_type type, return NULL; filter->type = type; filter->matching = matching; + INIT_LIST_HEAD(&filter->list); return filter; } diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index 2fcc9731528a..e0e59d420fca 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -386,6 +386,7 @@ out: static const struct mm_walk_ops damon_mkold_ops = { .pmd_entry = damon_mkold_pmd_entry, .hugetlb_entry = damon_mkold_hugetlb_entry, + .walk_lock = PGWALK_RDLOCK, }; static void damon_va_mkold(struct mm_struct *mm, unsigned long addr) @@ -525,6 +526,7 @@ out: static const struct mm_walk_ops damon_young_ops = { .pmd_entry = damon_young_pmd_entry, .hugetlb_entry = damon_young_hugetlb_entry, + .walk_lock = PGWALK_RDLOCK, }; static bool damon_va_young(struct mm_struct *mm, unsigned long addr, @@ -597,7 +597,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma, pte = ptep_get(ptep); if (!pte_present(pte)) goto no_page; - if (pte_protnone(pte) && !gup_can_follow_protnone(flags)) + if (pte_protnone(pte) && !gup_can_follow_protnone(vma, flags)) goto no_page; page = vm_normal_page(vma, address, pte); @@ -714,7 +714,7 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, if (likely(!pmd_trans_huge(pmdval))) return follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); - if (pmd_protnone(pmdval) && !gup_can_follow_protnone(flags)) + if (pmd_protnone(pmdval) && !gup_can_follow_protnone(vma, flags)) return no_page_table(vma, flags); ptl = pmd_lock(mm, pmd); @@ -851,6 +851,10 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address, if (WARN_ON_ONCE(foll_flags & FOLL_PIN)) return NULL; + /* + * We never set FOLL_HONOR_NUMA_FAULT because callers don't expect + * to fail on PROT_NONE-mapped pages. + */ page = follow_page_mask(vma, address, foll_flags, &ctx); if (ctx.pgmap) put_dev_pagemap(ctx.pgmap); @@ -2227,6 +2231,13 @@ static bool is_valid_gup_args(struct page **pages, int *locked, gup_flags |= FOLL_UNLOCKABLE; } + /* + * For now, always trigger NUMA hinting faults. Some GUP users like + * KVM require the hint to be as the calling context of GUP is + * functionally similar to a memory reference from task context. + */ + gup_flags |= FOLL_HONOR_NUMA_FAULT; + /* FOLL_GET and FOLL_PIN are mutually exclusive. */ if (WARN_ON_ONCE((gup_flags & (FOLL_PIN | FOLL_GET)) == (FOLL_PIN | FOLL_GET))) @@ -2551,7 +2562,14 @@ static int gup_pte_range(pmd_t pmd, pmd_t *pmdp, unsigned long addr, struct page *page; struct folio *folio; - if (pte_protnone(pte) && !gup_can_follow_protnone(flags)) + /* + * Always fallback to ordinary GUP on PROT_NONE-mapped pages: + * pte_access_permitted() better should reject these pages + * either way: otherwise, GUP-fast might succeed in + * cases where ordinary GUP would fail due to VMA access + * permissions. + */ + if (pte_protnone(pte)) goto pte_unmap; if (!pte_access_permitted(pte, flags & FOLL_WRITE)) @@ -2970,8 +2988,8 @@ static int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr, unsigned lo if (unlikely(pmd_trans_huge(pmd) || pmd_huge(pmd) || pmd_devmap(pmd))) { - if (pmd_protnone(pmd) && - !gup_can_follow_protnone(flags)) + /* See gup_pte_range() */ + if (pmd_protnone(pmd)) return 0; if (!gup_huge_pmd(pmd, pmdp, addr, next, flags, @@ -3151,7 +3169,7 @@ static int internal_get_user_pages_fast(unsigned long start, if (WARN_ON_ONCE(gup_flags & ~(FOLL_WRITE | FOLL_LONGTERM | FOLL_FORCE | FOLL_PIN | FOLL_GET | FOLL_FAST_ONLY | FOLL_NOFAULT | - FOLL_PCI_P2PDMA))) + FOLL_PCI_P2PDMA | FOLL_HONOR_NUMA_FAULT))) return -EINVAL; if (gup_flags & FOLL_PIN) @@ -562,6 +562,7 @@ static const struct mm_walk_ops hmm_walk_ops = { .pte_hole = hmm_vma_walk_hole, .hugetlb_entry = hmm_vma_walk_hugetlb_entry, .test_walk = hmm_vma_walk_test, + .walk_lock = PGWALK_RDLOCK, }; /** diff --git a/mm/huge_memory.c b/mm/huge_memory.c index eb3678360b97..e4f0266a22d4 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1467,8 +1467,7 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, if ((flags & FOLL_DUMP) && is_huge_zero_pmd(*pmd)) return ERR_PTR(-EFAULT); - /* Full NUMA hinting faults to serialise migration in fault paths */ - if (pmd_protnone(*pmd) && !gup_can_follow_protnone(flags)) + if (pmd_protnone(*pmd) && !gup_can_follow_protnone(vma, flags)) return NULL; if (!pmd_write(*pmd) && gup_must_unshare(vma, flags, page)) @@ -1613,7 +1612,7 @@ bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, * If other processes are mapping this folio, we couldn't discard * the folio unless they all do MADV_FREE so let's skip the folio. */ - if (folio_mapcount(folio) != 1) + if (folio_estimated_sharers(folio) != 1) goto out; if (!folio_trylock(folio)) @@ -2521,7 +2520,7 @@ static void __split_huge_page(struct page *page, struct list_head *list, struct address_space *swap_cache = NULL; unsigned long offset = 0; unsigned int nr = thp_nr_pages(head); - int i; + int i, nr_dropped = 0; /* complete memcg works before add pages to LRU */ split_page_memcg(head, nr); @@ -2546,7 +2545,7 @@ static void __split_huge_page(struct page *page, struct list_head *list, struct folio *tail = page_folio(head + i); if (shmem_mapping(head->mapping)) - shmem_uncharge(head->mapping->host, 1); + nr_dropped++; else if (folio_test_clear_dirty(tail)) folio_account_cleaned(tail, inode_to_wb(folio->mapping->host)); @@ -2583,6 +2582,8 @@ static void __split_huge_page(struct page *page, struct list_head *list, } local_irq_enable(); + if (nr_dropped) + shmem_uncharge(head->mapping->host, nr_dropped); remap_page(folio, nr); if (PageSwapCache(head)) { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 64a3239b6407..6da626bfb52e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1579,9 +1579,37 @@ static inline void destroy_compound_gigantic_folio(struct folio *folio, unsigned int order) { } #endif +static inline void __clear_hugetlb_destructor(struct hstate *h, + struct folio *folio) +{ + lockdep_assert_held(&hugetlb_lock); + + /* + * Very subtle + * + * For non-gigantic pages set the destructor to the normal compound + * page dtor. This is needed in case someone takes an additional + * temporary ref to the page, and freeing is delayed until they drop + * their reference. + * + * For gigantic pages set the destructor to the null dtor. This + * destructor will never be called. Before freeing the gigantic + * page destroy_compound_gigantic_folio will turn the folio into a + * simple group of pages. After this the destructor does not + * apply. + * + */ + if (hstate_is_gigantic(h)) + folio_set_compound_dtor(folio, NULL_COMPOUND_DTOR); + else + folio_set_compound_dtor(folio, COMPOUND_PAGE_DTOR); +} + /* - * Remove hugetlb folio from lists, and update dtor so that the folio appears - * as just a compound page. + * Remove hugetlb folio from lists. + * If vmemmap exists for the folio, update dtor so that the folio appears + * as just a compound page. Otherwise, wait until after allocating vmemmap + * to update dtor. * * A reference is held on the folio, except in the case of demote. * @@ -1612,31 +1640,19 @@ static void __remove_hugetlb_folio(struct hstate *h, struct folio *folio, } /* - * Very subtle - * - * For non-gigantic pages set the destructor to the normal compound - * page dtor. This is needed in case someone takes an additional - * temporary ref to the page, and freeing is delayed until they drop - * their reference. - * - * For gigantic pages set the destructor to the null dtor. This - * destructor will never be called. Before freeing the gigantic - * page destroy_compound_gigantic_folio will turn the folio into a - * simple group of pages. After this the destructor does not - * apply. - * - * This handles the case where more than one ref is held when and - * after update_and_free_hugetlb_folio is called. - * - * In the case of demote we do not ref count the page as it will soon - * be turned into a page of smaller size. + * We can only clear the hugetlb destructor after allocating vmemmap + * pages. Otherwise, someone (memory error handling) may try to write + * to tail struct pages. + */ + if (!folio_test_hugetlb_vmemmap_optimized(folio)) + __clear_hugetlb_destructor(h, folio); + + /* + * In the case of demote we do not ref count the page as it will soon + * be turned into a page of smaller size. */ if (!demote) folio_ref_unfreeze(folio, 1); - if (hstate_is_gigantic(h)) - folio_set_compound_dtor(folio, NULL_COMPOUND_DTOR); - else - folio_set_compound_dtor(folio, COMPOUND_PAGE_DTOR); h->nr_huge_pages--; h->nr_huge_pages_node[nid]--; @@ -1705,6 +1721,7 @@ static void __update_and_free_hugetlb_folio(struct hstate *h, { int i; struct page *subpage; + bool clear_dtor = folio_test_hugetlb_vmemmap_optimized(folio); if (hstate_is_gigantic(h) && !gigantic_page_runtime_supported()) return; @@ -1735,6 +1752,16 @@ static void __update_and_free_hugetlb_folio(struct hstate *h, if (unlikely(folio_test_hwpoison(folio))) folio_clear_hugetlb_hwpoison(folio); + /* + * If vmemmap pages were allocated above, then we need to clear the + * hugetlb destructor under the hugetlb lock. + */ + if (clear_dtor) { + spin_lock_irq(&hugetlb_lock); + __clear_hugetlb_destructor(h, folio); + spin_unlock_irq(&hugetlb_lock); + } + for (i = 0; i < pages_per_huge_page(h); i++) { subpage = folio_page(folio, i); subpage->flags &= ~(1 << PG_locked | 1 << PG_error | diff --git a/mm/internal.h b/mm/internal.h index a7d9e980429a..8ed127c1c808 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -924,6 +924,13 @@ int migrate_device_coherent_page(struct page *page); struct folio *try_grab_folio(struct page *page, int refs, unsigned int flags); int __must_check try_grab_page(struct page *page, unsigned int flags); +/* + * mm/huge_memory.c + */ +struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, + unsigned long addr, pmd_t *pmd, + unsigned int flags); + enum { /* mark page accessed */ FOLL_TOUCH = 1 << 16, @@ -998,6 +1005,16 @@ static inline bool gup_must_unshare(struct vm_area_struct *vma, smp_rmb(); /* + * During GUP-fast we might not get called on the head page for a + * hugetlb page that is mapped using cont-PTE, because GUP-fast does + * not work with the abstracted hugetlb PTEs that always point at the + * head page. For hugetlb, PageAnonExclusive only applies on the head + * page (as it cannot be partially COW-shared), so lookup the head page. + */ + if (unlikely(!PageHead(page) && PageHuge(page))) + page = compound_head(page); + + /* * Note that PageKsm() pages cannot be exclusive, and consequently, * cannot get pinned. */ diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 78c8d5d8b628..47d1d32c734f 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1955,10 +1955,6 @@ static int collapse_file(struct mm_struct *mm, unsigned long addr, goto xa_locked; } } - if (!shmem_charge(mapping->host, 1)) { - result = SCAN_FAIL; - goto xa_locked; - } nr_none++; continue; } @@ -2145,8 +2141,13 @@ xa_unlocked: */ try_to_unmap_flush(); - if (result != SCAN_SUCCEED) + if (result == SCAN_SUCCEED && nr_none && + !shmem_charge(mapping->host, nr_none)) + result = SCAN_FAIL; + if (result != SCAN_SUCCEED) { + nr_none = 0; goto rollback; + } /* * The old pages are locked, so they won't change anymore. @@ -2283,8 +2284,8 @@ rollback: if (nr_none) { xas_lock_irq(&xas); mapping->nrpages -= nr_none; - shmem_uncharge(mapping->host, nr_none); xas_unlock_irq(&xas); + shmem_uncharge(mapping->host, nr_none); } list_for_each_entry_safe(page, tmp, &pagelist, lru) { @@ -455,6 +455,12 @@ static int break_ksm_pmd_entry(pmd_t *pmd, unsigned long addr, unsigned long nex static const struct mm_walk_ops break_ksm_ops = { .pmd_entry = break_ksm_pmd_entry, + .walk_lock = PGWALK_RDLOCK, +}; + +static const struct mm_walk_ops break_ksm_lock_vma_ops = { + .pmd_entry = break_ksm_pmd_entry, + .walk_lock = PGWALK_WRLOCK, }; /* @@ -470,16 +476,17 @@ static const struct mm_walk_ops break_ksm_ops = { * of the process that owns 'vma'. We also do not want to enforce * protection keys here anyway. */ -static int break_ksm(struct vm_area_struct *vma, unsigned long addr) +static int break_ksm(struct vm_area_struct *vma, unsigned long addr, bool lock_vma) { vm_fault_t ret = 0; + const struct mm_walk_ops *ops = lock_vma ? + &break_ksm_lock_vma_ops : &break_ksm_ops; do { int ksm_page; cond_resched(); - ksm_page = walk_page_range_vma(vma, addr, addr + 1, - &break_ksm_ops, NULL); + ksm_page = walk_page_range_vma(vma, addr, addr + 1, ops, NULL); if (WARN_ON_ONCE(ksm_page < 0)) return ksm_page; if (!ksm_page) @@ -565,7 +572,7 @@ static void break_cow(struct ksm_rmap_item *rmap_item) mmap_read_lock(mm); vma = find_mergeable_vma(mm, addr); if (vma) - break_ksm(vma, addr); + break_ksm(vma, addr, false); mmap_read_unlock(mm); } @@ -871,7 +878,7 @@ static void remove_trailing_rmap_items(struct ksm_rmap_item **rmap_list) * in cmp_and_merge_page on one of the rmap_items we would be removing. */ static int unmerge_ksm_pages(struct vm_area_struct *vma, - unsigned long start, unsigned long end) + unsigned long start, unsigned long end, bool lock_vma) { unsigned long addr; int err = 0; @@ -882,7 +889,7 @@ static int unmerge_ksm_pages(struct vm_area_struct *vma, if (signal_pending(current)) err = -ERESTARTSYS; else - err = break_ksm(vma, addr); + err = break_ksm(vma, addr, lock_vma); } return err; } @@ -1029,7 +1036,7 @@ static int unmerge_and_remove_all_rmap_items(void) if (!(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma) continue; err = unmerge_ksm_pages(vma, - vma->vm_start, vma->vm_end); + vma->vm_start, vma->vm_end, false); if (err) goto error; } @@ -2530,7 +2537,7 @@ static int __ksm_del_vma(struct vm_area_struct *vma) return 0; if (vma->anon_vma) { - err = unmerge_ksm_pages(vma, vma->vm_start, vma->vm_end); + err = unmerge_ksm_pages(vma, vma->vm_start, vma->vm_end, true); if (err) return err; } @@ -2668,7 +2675,7 @@ int ksm_madvise(struct vm_area_struct *vma, unsigned long start, return 0; /* just ignore the advice */ if (vma->anon_vma) { - err = unmerge_ksm_pages(vma, start, end); + err = unmerge_ksm_pages(vma, start, end, true); if (err) return err; } @@ -2784,6 +2791,8 @@ struct page *ksm_might_need_to_copy(struct page *page, anon_vma->root == vma->anon_vma->root) { return page; /* still no need to copy it */ } + if (PageHWPoison(page)) + return ERR_PTR(-EHWPOISON); if (!PageUptodate(page)) return page; /* let do_swap_page report the error */ diff --git a/mm/madvise.c b/mm/madvise.c index 886f06066622..ec30f48f8f2e 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -233,6 +233,7 @@ static int swapin_walk_pmd_entry(pmd_t *pmd, unsigned long start, static const struct mm_walk_ops swapin_walk_ops = { .pmd_entry = swapin_walk_pmd_entry, + .walk_lock = PGWALK_RDLOCK, }; static void shmem_swapin_range(struct vm_area_struct *vma, @@ -383,7 +384,7 @@ static int madvise_cold_or_pageout_pte_range(pmd_t *pmd, folio = pfn_folio(pmd_pfn(orig_pmd)); /* Do not interfere with other mappings of this folio */ - if (folio_mapcount(folio) != 1) + if (folio_estimated_sharers(folio) != 1) goto huge_unlock; if (pageout_anon_only_filter && !folio_test_anon(folio)) @@ -457,7 +458,7 @@ regular_folio: if (folio_test_large(folio)) { int err; - if (folio_mapcount(folio) != 1) + if (folio_estimated_sharers(folio) != 1) break; if (pageout_anon_only_filter && !folio_test_anon(folio)) break; @@ -534,6 +535,7 @@ regular_folio: static const struct mm_walk_ops cold_walk_ops = { .pmd_entry = madvise_cold_or_pageout_pte_range, + .walk_lock = PGWALK_RDLOCK, }; static void madvise_cold_page_range(struct mmu_gather *tlb, @@ -678,7 +680,7 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr, if (folio_test_large(folio)) { int err; - if (folio_mapcount(folio) != 1) + if (folio_estimated_sharers(folio) != 1) break; if (!folio_trylock(folio)) break; @@ -757,6 +759,7 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr, static const struct mm_walk_ops madvise_free_walk_ops = { .pmd_entry = madvise_free_pte_range, + .walk_lock = PGWALK_RDLOCK, }; static int madvise_free_single_vma(struct vm_area_struct *vma, diff --git a/mm/memcontrol.c b/mm/memcontrol.c index e8ca4bdcb03c..315fd5f45e3c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -6024,6 +6024,7 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd, static const struct mm_walk_ops precharge_walk_ops = { .pmd_entry = mem_cgroup_count_precharge_pte_range, + .walk_lock = PGWALK_RDLOCK, }; static unsigned long mem_cgroup_count_precharge(struct mm_struct *mm) @@ -6303,6 +6304,7 @@ put: /* get_mctgt_type() gets & locks the page */ static const struct mm_walk_ops charge_walk_ops = { .pmd_entry = mem_cgroup_move_charge_pte_range, + .walk_lock = PGWALK_RDLOCK, }; static void mem_cgroup_move_charge(void) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index ece5d481b5ff..fe121fdb05f7 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -831,6 +831,7 @@ static int hwpoison_hugetlb_range(pte_t *ptep, unsigned long hmask, static const struct mm_walk_ops hwp_walk_ops = { .pmd_entry = hwpoison_pte_range, .hugetlb_entry = hwpoison_hugetlb_range, + .walk_lock = PGWALK_RDLOCK, }; /* @@ -2466,7 +2467,7 @@ int unpoison_memory(unsigned long pfn) { struct folio *folio; struct page *p; - int ret = -EBUSY; + int ret = -EBUSY, ghp; unsigned long count = 1; bool huge = false; static DEFINE_RATELIMIT_STATE(unpoison_rs, DEFAULT_RATELIMIT_INTERVAL, @@ -2499,6 +2500,13 @@ int unpoison_memory(unsigned long pfn) goto unlock_mutex; } + if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reserved(folio)) + goto unlock_mutex; + + /* + * Note that folio->_mapcount is overloaded in SLAB, so the simple test + * in folio_mapped() has to be done after folio_test_slab() is checked. + */ if (folio_mapped(folio)) { unpoison_pr_info("Unpoison: Someone maps the hwpoison page %#lx\n", pfn, &unpoison_rs); @@ -2511,32 +2519,28 @@ int unpoison_memory(unsigned long pfn) goto unlock_mutex; } - if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reserved(folio)) - goto unlock_mutex; - - ret = get_hwpoison_page(p, MF_UNPOISON); - if (!ret) { + ghp = get_hwpoison_page(p, MF_UNPOISON); + if (!ghp) { if (PageHuge(p)) { huge = true; count = folio_free_raw_hwp(folio, false); - if (count == 0) { - ret = -EBUSY; + if (count == 0) goto unlock_mutex; - } } ret = folio_test_clear_hwpoison(folio) ? 0 : -EBUSY; - } else if (ret < 0) { - if (ret == -EHWPOISON) { + } else if (ghp < 0) { + if (ghp == -EHWPOISON) { ret = put_page_back_buddy(p) ? 0 : -EBUSY; - } else + } else { + ret = ghp; unpoison_pr_info("Unpoison: failed to grab page %#lx\n", pfn, &unpoison_rs); + } } else { if (PageHuge(p)) { huge = true; count = folio_free_raw_hwp(folio, false); if (count == 0) { - ret = -EBUSY; folio_put(folio); goto unlock_mutex; } @@ -2737,10 +2741,13 @@ retry: if (ret > 0) { ret = soft_offline_in_use_page(page); } else if (ret == 0) { - if (!page_handle_poison(page, true, false) && try_again) { - try_again = false; - flags &= ~MF_COUNT_INCREASED; - goto retry; + if (!page_handle_poison(page, true, false)) { + if (try_again) { + try_again = false; + flags &= ~MF_COUNT_INCREASED; + goto retry; + } + ret = -EBUSY; } } diff --git a/mm/memory.c b/mm/memory.c index 603b2f419948..cdc4d4c1c858 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5257,11 +5257,8 @@ EXPORT_SYMBOL_GPL(handle_mm_fault); static inline bool get_mmap_lock_carefully(struct mm_struct *mm, struct pt_regs *regs) { - /* Even if this succeeds, make it clear we *might* have slept */ - if (likely(mmap_read_trylock(mm))) { - might_sleep(); + if (likely(mmap_read_trylock(mm))) return true; - } if (regs && !user_mode(regs)) { unsigned long ip = instruction_pointer(regs); @@ -5705,6 +5702,9 @@ int __access_remote_vm(struct mm_struct *mm, unsigned long addr, void *buf, if (mmap_read_lock_killable(mm)) return 0; + /* Untag the address before looking up the VMA */ + addr = untagged_addr_remote(mm, addr); + /* Avoid triggering the temporary warning in __get_user_pages */ if (!vma_lookup(mm, addr) && !expand_stack(mm, addr)) return 0; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index c53f8beeb507..ec2eaceffd74 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -718,6 +718,14 @@ static const struct mm_walk_ops queue_pages_walk_ops = { .hugetlb_entry = queue_folios_hugetlb, .pmd_entry = queue_folios_pte_range, .test_walk = queue_pages_test_walk, + .walk_lock = PGWALK_RDLOCK, +}; + +static const struct mm_walk_ops queue_pages_lock_vma_walk_ops = { + .hugetlb_entry = queue_folios_hugetlb, + .pmd_entry = queue_folios_pte_range, + .test_walk = queue_pages_test_walk, + .walk_lock = PGWALK_WRLOCK, }; /* @@ -738,7 +746,7 @@ static const struct mm_walk_ops queue_pages_walk_ops = { static int queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end, nodemask_t *nodes, unsigned long flags, - struct list_head *pagelist) + struct list_head *pagelist, bool lock_vma) { int err; struct queue_pages qp = { @@ -749,8 +757,10 @@ queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end, .end = end, .first = NULL, }; + const struct mm_walk_ops *ops = lock_vma ? + &queue_pages_lock_vma_walk_ops : &queue_pages_walk_ops; - err = walk_page_range(mm, start, end, &queue_pages_walk_ops, &qp); + err = walk_page_range(mm, start, end, ops, &qp); if (!qp.first) /* whole range in hole */ @@ -1078,7 +1088,7 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest, vma = find_vma(mm, 0); VM_BUG_ON(!(flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))); queue_pages_range(mm, vma->vm_start, mm->task_size, &nmask, - flags | MPOL_MF_DISCONTIG_OK, &pagelist); + flags | MPOL_MF_DISCONTIG_OK, &pagelist, false); if (!list_empty(&pagelist)) { err = migrate_pages(&pagelist, alloc_migration_target, NULL, @@ -1321,12 +1331,8 @@ static long do_mbind(unsigned long start, unsigned long len, * Lock the VMAs before scanning for pages to migrate, to ensure we don't * miss a concurrently inserted page. */ - vma_iter_init(&vmi, mm, start); - for_each_vma_range(vmi, vma, end) - vma_start_write(vma); - ret = queue_pages_range(mm, start, end, nmask, - flags | MPOL_MF_INVERT, &pagelist); + flags | MPOL_MF_INVERT, &pagelist, true); if (ret < 0) { err = ret; diff --git a/mm/migrate_device.c b/mm/migrate_device.c index 8365158460ed..d5f492356e3e 100644 --- a/mm/migrate_device.c +++ b/mm/migrate_device.c @@ -279,6 +279,7 @@ next: static const struct mm_walk_ops migrate_vma_walk_ops = { .pmd_entry = migrate_vma_collect_pmd, .pte_hole = migrate_vma_collect_hole, + .walk_lock = PGWALK_RDLOCK, }; /* diff --git a/mm/mincore.c b/mm/mincore.c index b7f7a516b26c..dad3622cc963 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -176,6 +176,7 @@ static const struct mm_walk_ops mincore_walk_ops = { .pmd_entry = mincore_pte_range, .pte_hole = mincore_unmapped_range, .hugetlb_entry = mincore_hugetlb, + .walk_lock = PGWALK_RDLOCK, }; /* diff --git a/mm/mlock.c b/mm/mlock.c index 0a0c996c5c21..479e09d0994c 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -371,6 +371,7 @@ static void mlock_vma_pages_range(struct vm_area_struct *vma, { static const struct mm_walk_ops mlock_walk_ops = { .pmd_entry = mlock_pte_range, + .walk_lock = PGWALK_WRLOCK_VERIFY, }; /* diff --git a/mm/mprotect.c b/mm/mprotect.c index 6f658d483704..3aef1340533a 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -568,6 +568,7 @@ static const struct mm_walk_ops prot_none_walk_ops = { .pte_entry = prot_none_pte_entry, .hugetlb_entry = prot_none_hugetlb_entry, .test_walk = prot_none_test, + .walk_lock = PGWALK_WRLOCK, }; int diff --git a/mm/pagewalk.c b/mm/pagewalk.c index 2022333805d3..9b2d23fbf4d3 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -400,6 +400,33 @@ static int __walk_page_range(unsigned long start, unsigned long end, return err; } +static inline void process_mm_walk_lock(struct mm_struct *mm, + enum page_walk_lock walk_lock) +{ + if (walk_lock == PGWALK_RDLOCK) + mmap_assert_locked(mm); + else + mmap_assert_write_locked(mm); +} + +static inline void process_vma_walk_lock(struct vm_area_struct *vma, + enum page_walk_lock walk_lock) +{ +#ifdef CONFIG_PER_VMA_LOCK + switch (walk_lock) { + case PGWALK_WRLOCK: + vma_start_write(vma); + break; + case PGWALK_WRLOCK_VERIFY: + vma_assert_write_locked(vma); + break; + case PGWALK_RDLOCK: + /* PGWALK_RDLOCK is handled by process_mm_walk_lock */ + break; + } +#endif +} + /** * walk_page_range - walk page table with caller specific callbacks * @mm: mm_struct representing the target process of page table walk @@ -459,7 +486,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start, if (!walk.mm) return -EINVAL; - mmap_assert_locked(walk.mm); + process_mm_walk_lock(walk.mm, ops->walk_lock); vma = find_vma(walk.mm, start); do { @@ -474,6 +501,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start, if (ops->pte_hole) err = ops->pte_hole(start, next, -1, &walk); } else { /* inside vma */ + process_vma_walk_lock(vma, ops->walk_lock); walk.vma = vma; next = min(end, vma->vm_end); vma = find_vma(mm, vma->vm_end); @@ -549,7 +577,8 @@ int walk_page_range_vma(struct vm_area_struct *vma, unsigned long start, if (start < vma->vm_start || end > vma->vm_end) return -EINVAL; - mmap_assert_locked(walk.mm); + process_mm_walk_lock(walk.mm, ops->walk_lock); + process_vma_walk_lock(vma, ops->walk_lock); return __walk_page_range(start, end, &walk); } @@ -566,7 +595,8 @@ int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops, if (!walk.mm) return -EINVAL; - mmap_assert_locked(walk.mm); + process_mm_walk_lock(walk.mm, ops->walk_lock); + process_vma_walk_lock(vma, ops->walk_lock); return __walk_page_range(vma->vm_start, vma->vm_end, &walk); } diff --git a/mm/shmem.c b/mm/shmem.c index f5af4b943e42..479d1ce65868 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -78,6 +78,7 @@ static struct vfsmount *shm_mnt; #include <uapi/linux/memfd.h> #include <linux/rmap.h> #include <linux/uuid.h> +#include <linux/quotaops.h> #include <linux/uaccess.h> @@ -89,6 +90,9 @@ static struct vfsmount *shm_mnt; /* Pretend that each entry is of this size in directory's i_size */ #define BOGO_DIRENT_SIZE 20 +/* Pretend that one inode + its dentry occupy this much memory */ +#define BOGO_INODE_SIZE 1024 + /* Symlink up to this size is kmalloc'ed instead of using a swappable page */ #define SHORT_SYMLINK_LEN 128 @@ -116,11 +120,14 @@ struct shmem_options { int huge; int seen; bool noswap; + unsigned short quota_types; + struct shmem_quota_limits qlimits; #define SHMEM_SEEN_BLOCKS 1 #define SHMEM_SEEN_INODES 2 #define SHMEM_SEEN_HUGE 4 #define SHMEM_SEEN_INUMS 8 #define SHMEM_SEEN_NOSWAP 16 +#define SHMEM_SEEN_QUOTA 32 }; #ifdef CONFIG_TMPFS @@ -133,7 +140,8 @@ static unsigned long shmem_default_max_inodes(void) { unsigned long nr_pages = totalram_pages(); - return min(nr_pages - totalhigh_pages(), nr_pages / 2); + return min3(nr_pages - totalhigh_pages(), nr_pages / 2, + ULONG_MAX / BOGO_INODE_SIZE); } #endif @@ -199,33 +207,47 @@ static inline void shmem_unacct_blocks(unsigned long flags, long pages) vm_unacct_memory(pages * VM_ACCT(PAGE_SIZE)); } -static inline bool shmem_inode_acct_block(struct inode *inode, long pages) +static int shmem_inode_acct_block(struct inode *inode, long pages) { struct shmem_inode_info *info = SHMEM_I(inode); struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); + int err = -ENOSPC; if (shmem_acct_block(info->flags, pages)) - return false; + return err; + might_sleep(); /* when quotas */ if (sbinfo->max_blocks) { if (percpu_counter_compare(&sbinfo->used_blocks, sbinfo->max_blocks - pages) > 0) goto unacct; + + err = dquot_alloc_block_nodirty(inode, pages); + if (err) + goto unacct; + percpu_counter_add(&sbinfo->used_blocks, pages); + } else { + err = dquot_alloc_block_nodirty(inode, pages); + if (err) + goto unacct; } - return true; + return 0; unacct: shmem_unacct_blocks(info->flags, pages); - return false; + return err; } -static inline void shmem_inode_unacct_blocks(struct inode *inode, long pages) +static void shmem_inode_unacct_blocks(struct inode *inode, long pages) { struct shmem_inode_info *info = SHMEM_I(inode); struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); + might_sleep(); /* when quotas */ + dquot_free_block_nodirty(inode, pages); + if (sbinfo->max_blocks) percpu_counter_sub(&sbinfo->used_blocks, pages); shmem_unacct_blocks(info->flags, pages); @@ -254,6 +276,47 @@ bool vma_is_shmem(struct vm_area_struct *vma) static LIST_HEAD(shmem_swaplist); static DEFINE_MUTEX(shmem_swaplist_mutex); +#ifdef CONFIG_TMPFS_QUOTA + +static int shmem_enable_quotas(struct super_block *sb, + unsigned short quota_types) +{ + int type, err = 0; + + sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NOLIST_DIRTY; + for (type = 0; type < SHMEM_MAXQUOTAS; type++) { + if (!(quota_types & (1 << type))) + continue; + err = dquot_load_quota_sb(sb, type, QFMT_SHMEM, + DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED); + if (err) + goto out_err; + } + return 0; + +out_err: + pr_warn("tmpfs: failed to enable quota tracking (type=%d, err=%d)\n", + type, err); + for (type--; type >= 0; type--) + dquot_quota_off(sb, type); + return err; +} + +static void shmem_disable_quotas(struct super_block *sb) +{ + int type; + + for (type = 0; type < SHMEM_MAXQUOTAS; type++) + dquot_quota_off(sb, type); +} + +static struct dquot **shmem_get_dquots(struct inode *inode) +{ + return SHMEM_I(inode)->i_dquot; +} +#endif /* CONFIG_TMPFS_QUOTA */ + /* * shmem_reserve_inode() performs bookkeeping to reserve a shmem inode, and * produces a novel ino for the newly allocated inode. @@ -272,11 +335,11 @@ static int shmem_reserve_inode(struct super_block *sb, ino_t *inop) if (!(sb->s_flags & SB_KERNMOUNT)) { raw_spin_lock(&sbinfo->stat_lock); if (sbinfo->max_inodes) { - if (!sbinfo->free_inodes) { + if (sbinfo->free_ispace < BOGO_INODE_SIZE) { raw_spin_unlock(&sbinfo->stat_lock); return -ENOSPC; } - sbinfo->free_inodes--; + sbinfo->free_ispace -= BOGO_INODE_SIZE; } if (inop) { ino = sbinfo->next_ino++; @@ -330,12 +393,12 @@ static int shmem_reserve_inode(struct super_block *sb, ino_t *inop) return 0; } -static void shmem_free_inode(struct super_block *sb) +static void shmem_free_inode(struct super_block *sb, size_t freed_ispace) { struct shmem_sb_info *sbinfo = SHMEM_SB(sb); if (sbinfo->max_inodes) { raw_spin_lock(&sbinfo->stat_lock); - sbinfo->free_inodes++; + sbinfo->free_ispace += BOGO_INODE_SIZE + freed_ispace; raw_spin_unlock(&sbinfo->stat_lock); } } @@ -343,62 +406,65 @@ static void shmem_free_inode(struct super_block *sb) /** * shmem_recalc_inode - recalculate the block usage of an inode * @inode: inode to recalc + * @alloced: the change in number of pages allocated to inode + * @swapped: the change in number of pages swapped from inode * * We have to calculate the free blocks since the mm can drop * undirtied hole pages behind our back. * * But normally info->alloced == inode->i_mapping->nrpages + info->swapped * So mm freed is info->alloced - (inode->i_mapping->nrpages + info->swapped) - * - * It has to be called with the spinlock held. */ -static void shmem_recalc_inode(struct inode *inode) +static void shmem_recalc_inode(struct inode *inode, long alloced, long swapped) { struct shmem_inode_info *info = SHMEM_I(inode); long freed; - freed = info->alloced - info->swapped - inode->i_mapping->nrpages; - if (freed > 0) { + spin_lock(&info->lock); + info->alloced += alloced; + info->swapped += swapped; + freed = info->alloced - info->swapped - + READ_ONCE(inode->i_mapping->nrpages); + /* + * Special case: whereas normally shmem_recalc_inode() is called + * after i_mapping->nrpages has already been adjusted (up or down), + * shmem_writepage() has to raise swapped before nrpages is lowered - + * to stop a racing shmem_recalc_inode() from thinking that a page has + * been freed. Compensate here, to avoid the need for a followup call. + */ + if (swapped > 0) + freed += swapped; + if (freed > 0) info->alloced -= freed; - inode->i_blocks -= freed * BLOCKS_PER_PAGE; + spin_unlock(&info->lock); + + /* The quota case may block */ + if (freed > 0) shmem_inode_unacct_blocks(inode, freed); - } } bool shmem_charge(struct inode *inode, long pages) { - struct shmem_inode_info *info = SHMEM_I(inode); - unsigned long flags; + struct address_space *mapping = inode->i_mapping; - if (!shmem_inode_acct_block(inode, pages)) + if (shmem_inode_acct_block(inode, pages)) return false; /* nrpages adjustment first, then shmem_recalc_inode() when balanced */ - inode->i_mapping->nrpages += pages; - - spin_lock_irqsave(&info->lock, flags); - info->alloced += pages; - inode->i_blocks += pages * BLOCKS_PER_PAGE; - shmem_recalc_inode(inode); - spin_unlock_irqrestore(&info->lock, flags); + xa_lock_irq(&mapping->i_pages); + mapping->nrpages += pages; + xa_unlock_irq(&mapping->i_pages); + shmem_recalc_inode(inode, pages, 0); return true; } void shmem_uncharge(struct inode *inode, long pages) { - struct shmem_inode_info *info = SHMEM_I(inode); - unsigned long flags; - + /* pages argument is currently unused: keep it to help debugging */ /* nrpages adjustment done by __filemap_remove_folio() or caller */ - spin_lock_irqsave(&info->lock, flags); - info->alloced -= pages; - inode->i_blocks -= pages * BLOCKS_PER_PAGE; - shmem_recalc_inode(inode); - spin_unlock_irqrestore(&info->lock, flags); - - shmem_inode_unacct_blocks(inode, pages); + shmem_recalc_inode(inode, 0, 0); } /* @@ -806,14 +872,16 @@ unsigned long shmem_partial_swap_usage(struct address_space *mapping, XA_STATE(xas, &mapping->i_pages, start); struct page *page; unsigned long swapped = 0; + unsigned long max = end - 1; rcu_read_lock(); - xas_for_each(&xas, page, end - 1) { + xas_for_each(&xas, page, max) { if (xas_retry(&xas, page)) continue; if (xa_is_value(page)) swapped++; - + if (xas.xa_index == max) + break; if (need_resched()) { xas_pause(&xas); cond_resched_rcu(); @@ -1038,16 +1106,13 @@ whole_folios: folio_batch_release(&fbatch); } - spin_lock_irq(&info->lock); - info->swapped -= nr_swaps_freed; - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); + shmem_recalc_inode(inode, 0, -nr_swaps_freed); } void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend) { shmem_undo_range(inode, lstart, lend, false); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); inode_inc_iversion(inode); } EXPORT_SYMBOL_GPL(shmem_truncate_range); @@ -1059,11 +1124,9 @@ static int shmem_getattr(struct mnt_idmap *idmap, struct inode *inode = path->dentry->d_inode; struct shmem_inode_info *info = SHMEM_I(inode); - if (info->alloced - info->swapped != inode->i_mapping->nrpages) { - spin_lock_irq(&info->lock); - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); - } + if (info->alloced - info->swapped != inode->i_mapping->nrpages) + shmem_recalc_inode(inode, 0, 0); + if (info->fsflags & FS_APPEND_FL) stat->attributes |= STATX_ATTR_APPEND; if (info->fsflags & FS_IMMUTABLE_FL) @@ -1073,7 +1136,7 @@ static int shmem_getattr(struct mnt_idmap *idmap, stat->attributes_mask |= (STATX_ATTR_APPEND | STATX_ATTR_IMMUTABLE | STATX_ATTR_NODUMP); - generic_fillattr(idmap, inode, stat); + generic_fillattr(idmap, request_mask, inode, stat); if (shmem_is_huge(inode, 0, false, NULL, 0)) stat->blksize = HPAGE_PMD_SIZE; @@ -1140,13 +1203,28 @@ static int shmem_setattr(struct mnt_idmap *idmap, } } + if (is_quota_modification(idmap, inode, attr)) { + error = dquot_initialize(inode); + if (error) + return error; + } + + /* Transfer quota accounting */ + if (i_uid_needs_update(idmap, attr, inode) || + i_gid_needs_update(idmap, attr, inode)) { + error = dquot_transfer(idmap, inode, attr); + + if (error) + return error; + } + setattr_copy(idmap, inode, attr); if (attr->ia_valid & ATTR_MODE) error = posix_acl_chmod(idmap, dentry, inode->i_mode); if (!error && update_ctime) { - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); if (update_mtime) - inode->i_mtime = inode->i_ctime; + inode->i_mtime = inode_get_ctime(inode); inode_inc_iversion(inode); } return error; @@ -1156,6 +1234,7 @@ static void shmem_evict_inode(struct inode *inode) { struct shmem_inode_info *info = SHMEM_I(inode); struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); + size_t freed = 0; if (shmem_mapping(inode->i_mapping)) { shmem_unacct_size(info->flags, inode->i_size); @@ -1182,10 +1261,14 @@ static void shmem_evict_inode(struct inode *inode) } } - simple_xattrs_free(&info->xattrs); + simple_xattrs_free(&info->xattrs, sbinfo->max_inodes ? &freed : NULL); + shmem_free_inode(inode->i_sb, freed); WARN_ON(inode->i_blocks); - shmem_free_inode(inode->i_sb); clear_inode(inode); +#ifdef CONFIG_TMPFS_QUOTA + dquot_free_inode(inode); + dquot_drop(inode); +#endif } static int shmem_find_swap_entries(struct address_space *mapping, @@ -1429,11 +1512,7 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) if (add_to_swap_cache(folio, swap, __GFP_HIGH | __GFP_NOMEMALLOC | __GFP_NOWARN, NULL) == 0) { - spin_lock_irq(&info->lock); - shmem_recalc_inode(inode); - info->swapped++; - spin_unlock_irq(&info->lock); - + shmem_recalc_inode(inode, 0, 1); swap_shmem_alloc(swap); shmem_delete_from_page_cache(folio, swp_to_radix_entry(swap)); @@ -1588,13 +1667,14 @@ static struct folio *shmem_alloc_and_acct_folio(gfp_t gfp, struct inode *inode, struct shmem_inode_info *info = SHMEM_I(inode); struct folio *folio; int nr; - int err = -ENOSPC; + int err; if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) huge = false; nr = huge ? HPAGE_PMD_NR : 1; - if (!shmem_inode_acct_block(inode, nr)) + err = shmem_inode_acct_block(inode, nr); + if (err) goto failed; if (huge) @@ -1703,7 +1783,6 @@ static void shmem_set_folio_swapin_error(struct inode *inode, pgoff_t index, struct folio *folio, swp_entry_t swap) { struct address_space *mapping = inode->i_mapping; - struct shmem_inode_info *info = SHMEM_I(inode); swp_entry_t swapin_error; void *old; @@ -1716,16 +1795,12 @@ static void shmem_set_folio_swapin_error(struct inode *inode, pgoff_t index, folio_wait_writeback(folio); delete_from_swap_cache(folio); - spin_lock_irq(&info->lock); /* - * Don't treat swapin error folio as alloced. Otherwise inode->i_blocks won't - * be 0 when inode is released and thus trigger WARN_ON(inode->i_blocks) in - * shmem_evict_inode. + * Don't treat swapin error folio as alloced. Otherwise inode->i_blocks + * won't be 0 when inode is released and thus trigger WARN_ON(i_blocks) + * in shmem_evict_inode(). */ - info->alloced--; - info->swapped--; - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); + shmem_recalc_inode(inode, -1, -1); swap_free(swap); } @@ -1812,10 +1887,7 @@ static int shmem_swapin_folio(struct inode *inode, pgoff_t index, if (error) goto failed; - spin_lock_irq(&info->lock); - info->swapped--; - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); + shmem_recalc_inode(inode, 0, -1); if (sgp == SGP_WRITE) folio_mark_accessed(folio); @@ -1980,13 +2052,9 @@ alloc_nohuge: charge_mm); if (error) goto unacct; - folio_add_lru(folio); - spin_lock_irq(&info->lock); - info->alloced += folio_nr_pages(folio); - inode->i_blocks += (blkcnt_t)BLOCKS_PER_PAGE << folio_order(folio); - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); + folio_add_lru(folio); + shmem_recalc_inode(inode, folio_nr_pages(folio), 0); alloced = true; if (folio_test_pmd_mappable(folio) && @@ -2035,9 +2103,7 @@ clear: if (alloced) { folio_clear_dirty(folio); filemap_remove_folio(folio); - spin_lock_irq(&info->lock); - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); + shmem_recalc_inode(inode, 0, 0); } error = -EINVAL; goto unlock; @@ -2063,9 +2129,7 @@ unlock: folio_put(folio); } if (error == -ENOSPC && !once++) { - spin_lock_irq(&info->lock); - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); + shmem_recalc_inode(inode, 0, 0); goto repeat; } if (error == -EEXIST) @@ -2326,6 +2390,12 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma) return 0; } +static int shmem_file_open(struct inode *inode, struct file *file) +{ + file->f_mode |= FMODE_CAN_ODIRECT; + return generic_file_open(inode, file); +} + #ifdef CONFIG_TMPFS_XATTR static int shmem_initxattrs(struct inode *, const struct xattr *, void *); @@ -2355,77 +2425,127 @@ static void shmem_set_inode_flags(struct inode *inode, unsigned int fsflags) #define shmem_initxattrs NULL #endif -static struct inode *shmem_get_inode(struct mnt_idmap *idmap, struct super_block *sb, - struct inode *dir, umode_t mode, dev_t dev, - unsigned long flags) +static struct offset_ctx *shmem_get_offset_ctx(struct inode *inode) +{ + return &SHMEM_I(inode)->dir_offsets; +} + +static struct inode *__shmem_get_inode(struct mnt_idmap *idmap, + struct super_block *sb, + struct inode *dir, umode_t mode, + dev_t dev, unsigned long flags) { struct inode *inode; struct shmem_inode_info *info; struct shmem_sb_info *sbinfo = SHMEM_SB(sb); ino_t ino; + int err; + + err = shmem_reserve_inode(sb, &ino); + if (err) + return ERR_PTR(err); - if (shmem_reserve_inode(sb, &ino)) - return NULL; inode = new_inode(sb); - if (inode) { - inode->i_ino = ino; - inode_init_owner(idmap, inode, dir, mode); - inode->i_blocks = 0; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); - inode->i_generation = get_random_u32(); - info = SHMEM_I(inode); - memset(info, 0, (char *)inode - (char *)info); - spin_lock_init(&info->lock); - atomic_set(&info->stop_eviction, 0); - info->seals = F_SEAL_SEAL; - info->flags = flags & VM_NORESERVE; - info->i_crtime = inode->i_mtime; - info->fsflags = (dir == NULL) ? 0 : - SHMEM_I(dir)->fsflags & SHMEM_FL_INHERITED; - if (info->fsflags) - shmem_set_inode_flags(inode, info->fsflags); - INIT_LIST_HEAD(&info->shrinklist); - INIT_LIST_HEAD(&info->swaplist); - if (sbinfo->noswap) - mapping_set_unevictable(inode->i_mapping); - simple_xattrs_init(&info->xattrs); - cache_no_acl(inode); - mapping_set_large_folios(inode->i_mapping); - - switch (mode & S_IFMT) { - default: - inode->i_op = &shmem_special_inode_operations; - init_special_inode(inode, mode, dev); - break; - case S_IFREG: - inode->i_mapping->a_ops = &shmem_aops; - inode->i_op = &shmem_inode_operations; - inode->i_fop = &shmem_file_operations; - mpol_shared_policy_init(&info->policy, - shmem_get_sbmpol(sbinfo)); - break; - case S_IFDIR: - inc_nlink(inode); - /* Some things misbehave if size == 0 on a directory */ - inode->i_size = 2 * BOGO_DIRENT_SIZE; - inode->i_op = &shmem_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - break; - case S_IFLNK: - /* - * Must not load anything in the rbtree, - * mpol_free_shared_policy will not be called. - */ - mpol_shared_policy_init(&info->policy, NULL); - break; - } + if (!inode) { + shmem_free_inode(sb, 0); + return ERR_PTR(-ENOSPC); + } + + inode->i_ino = ino; + inode_init_owner(idmap, inode, dir, mode); + inode->i_blocks = 0; + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); + inode->i_generation = get_random_u32(); + info = SHMEM_I(inode); + memset(info, 0, (char *)inode - (char *)info); + spin_lock_init(&info->lock); + atomic_set(&info->stop_eviction, 0); + info->seals = F_SEAL_SEAL; + info->flags = flags & VM_NORESERVE; + info->i_crtime = inode->i_mtime; + info->fsflags = (dir == NULL) ? 0 : + SHMEM_I(dir)->fsflags & SHMEM_FL_INHERITED; + if (info->fsflags) + shmem_set_inode_flags(inode, info->fsflags); + INIT_LIST_HEAD(&info->shrinklist); + INIT_LIST_HEAD(&info->swaplist); + INIT_LIST_HEAD(&info->swaplist); + if (sbinfo->noswap) + mapping_set_unevictable(inode->i_mapping); + simple_xattrs_init(&info->xattrs); + cache_no_acl(inode); + mapping_set_large_folios(inode->i_mapping); + + switch (mode & S_IFMT) { + default: + inode->i_op = &shmem_special_inode_operations; + init_special_inode(inode, mode, dev); + break; + case S_IFREG: + inode->i_mapping->a_ops = &shmem_aops; + inode->i_op = &shmem_inode_operations; + inode->i_fop = &shmem_file_operations; + mpol_shared_policy_init(&info->policy, + shmem_get_sbmpol(sbinfo)); + break; + case S_IFDIR: + inc_nlink(inode); + /* Some things misbehave if size == 0 on a directory */ + inode->i_size = 2 * BOGO_DIRENT_SIZE; + inode->i_op = &shmem_dir_inode_operations; + inode->i_fop = &simple_offset_dir_operations; + simple_offset_init(shmem_get_offset_ctx(inode)); + break; + case S_IFLNK: + /* + * Must not load anything in the rbtree, + * mpol_free_shared_policy will not be called. + */ + mpol_shared_policy_init(&info->policy, NULL); + break; + } + + lockdep_annotate_inode_mutex_key(inode); + return inode; +} - lockdep_annotate_inode_mutex_key(inode); - } else - shmem_free_inode(sb); +#ifdef CONFIG_TMPFS_QUOTA +static struct inode *shmem_get_inode(struct mnt_idmap *idmap, + struct super_block *sb, struct inode *dir, + umode_t mode, dev_t dev, unsigned long flags) +{ + int err; + struct inode *inode; + + inode = __shmem_get_inode(idmap, sb, dir, mode, dev, flags); + if (IS_ERR(inode)) + return inode; + + err = dquot_initialize(inode); + if (err) + goto errout; + + err = dquot_alloc_inode(inode); + if (err) { + dquot_drop(inode); + goto errout; + } return inode; + +errout: + inode->i_flags |= S_NOQUOTA; + iput(inode); + return ERR_PTR(err); +} +#else +static inline struct inode *shmem_get_inode(struct mnt_idmap *idmap, + struct super_block *sb, struct inode *dir, + umode_t mode, dev_t dev, unsigned long flags) +{ + return __shmem_get_inode(idmap, sb, dir, mode, dev, flags); } +#endif /* CONFIG_TMPFS_QUOTA */ #ifdef CONFIG_USERFAULTFD int shmem_mfill_atomic_pte(pmd_t *dst_pmd, @@ -2445,7 +2565,7 @@ int shmem_mfill_atomic_pte(pmd_t *dst_pmd, int ret; pgoff_t max_off; - if (!shmem_inode_acct_block(inode, 1)) { + if (shmem_inode_acct_block(inode, 1)) { /* * We may have got a page, returned -ENOENT triggering a retry, * and now we find ourselves with -ENOMEM. Release the page, to @@ -2527,12 +2647,7 @@ int shmem_mfill_atomic_pte(pmd_t *dst_pmd, if (ret) goto out_delete_from_cache; - spin_lock_irq(&info->lock); - info->alloced++; - inode->i_blocks += BLOCKS_PER_PAGE; - shmem_recalc_inode(inode); - spin_unlock_irq(&info->lock); - + shmem_recalc_inode(inode, 1, 0); folio_unlock(folio); return 0; out_delete_from_cache: @@ -2731,6 +2846,28 @@ static ssize_t shmem_file_read_iter(struct kiocb *iocb, struct iov_iter *to) return retval ? retval : error; } +static ssize_t shmem_file_write_iter(struct kiocb *iocb, struct iov_iter *from) +{ + struct file *file = iocb->ki_filp; + struct inode *inode = file->f_mapping->host; + ssize_t ret; + + inode_lock(inode); + ret = generic_write_checks(iocb, from); + if (ret <= 0) + goto unlock; + ret = file_remove_privs(file); + if (ret) + goto unlock; + ret = file_update_time(file); + if (ret) + goto unlock; + ret = generic_perform_write(iocb, from); +unlock: + inode_unlock(inode); + return ret; +} + static bool zero_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf) { @@ -3055,7 +3192,7 @@ static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf) } if (sbinfo->max_inodes) { buf->f_files = sbinfo->max_inodes; - buf->f_ffree = sbinfo->free_inodes; + buf->f_ffree = sbinfo->free_ispace / BOGO_INODE_SIZE; } /* else leave those fields 0 like simple_statfs */ @@ -3072,27 +3209,32 @@ shmem_mknod(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode; - int error = -ENOSPC; + int error; inode = shmem_get_inode(idmap, dir->i_sb, dir, mode, dev, VM_NORESERVE); - if (inode) { - error = simple_acl_create(dir, inode); - if (error) - goto out_iput; - error = security_inode_init_security(inode, dir, - &dentry->d_name, - shmem_initxattrs, NULL); - if (error && error != -EOPNOTSUPP) - goto out_iput; + if (IS_ERR(inode)) + return PTR_ERR(inode); - error = 0; - dir->i_size += BOGO_DIRENT_SIZE; - dir->i_ctime = dir->i_mtime = current_time(dir); - inode_inc_iversion(dir); - d_instantiate(dentry, inode); - dget(dentry); /* Extra count - pin the dentry in core */ - } + error = simple_acl_create(dir, inode); + if (error) + goto out_iput; + error = security_inode_init_security(inode, dir, + &dentry->d_name, + shmem_initxattrs, NULL); + if (error && error != -EOPNOTSUPP) + goto out_iput; + + error = simple_offset_add(shmem_get_offset_ctx(dir), dentry); + if (error) + goto out_iput; + + dir->i_size += BOGO_DIRENT_SIZE; + dir->i_mtime = inode_set_ctime_current(dir); + inode_inc_iversion(dir); + d_instantiate(dentry, inode); + dget(dentry); /* Extra count - pin the dentry in core */ return error; + out_iput: iput(inode); return error; @@ -3103,20 +3245,26 @@ shmem_tmpfile(struct mnt_idmap *idmap, struct inode *dir, struct file *file, umode_t mode) { struct inode *inode; - int error = -ENOSPC; + int error; inode = shmem_get_inode(idmap, dir->i_sb, dir, mode, 0, VM_NORESERVE); - if (inode) { - error = security_inode_init_security(inode, dir, - NULL, - shmem_initxattrs, NULL); - if (error && error != -EOPNOTSUPP) - goto out_iput; - error = simple_acl_create(dir, inode); - if (error) - goto out_iput; - d_tmpfile(file, inode); + + if (IS_ERR(inode)) { + error = PTR_ERR(inode); + goto err_out; } + + error = security_inode_init_security(inode, dir, + NULL, + shmem_initxattrs, NULL); + if (error && error != -EOPNOTSUPP) + goto out_iput; + error = simple_acl_create(dir, inode); + if (error) + goto out_iput; + d_tmpfile(file, inode); + +err_out: return finish_open_simple(file, error); out_iput: iput(inode); @@ -3162,8 +3310,16 @@ static int shmem_link(struct dentry *old_dentry, struct inode *dir, struct dentr goto out; } + ret = simple_offset_add(shmem_get_offset_ctx(dir), dentry); + if (ret) { + if (inode->i_nlink) + shmem_free_inode(inode->i_sb, 0); + goto out; + } + dir->i_size += BOGO_DIRENT_SIZE; - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + dir->i_mtime = inode_set_ctime_to_ts(dir, + inode_set_ctime_current(inode)); inode_inc_iversion(dir); inc_nlink(inode); ihold(inode); /* New dentry reference */ @@ -3178,10 +3334,13 @@ static int shmem_unlink(struct inode *dir, struct dentry *dentry) struct inode *inode = d_inode(dentry); if (inode->i_nlink > 1 && !S_ISDIR(inode->i_mode)) - shmem_free_inode(inode->i_sb); + shmem_free_inode(inode->i_sb, 0); + + simple_offset_remove(shmem_get_offset_ctx(dir), dentry); dir->i_size -= BOGO_DIRENT_SIZE; - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + dir->i_mtime = inode_set_ctime_to_ts(dir, + inode_set_ctime_current(inode)); inode_inc_iversion(dir); drop_nlink(inode); dput(dentry); /* Undo the count from "create" - this does all the work */ @@ -3238,24 +3397,29 @@ static int shmem_rename2(struct mnt_idmap *idmap, { struct inode *inode = d_inode(old_dentry); int they_are_dirs = S_ISDIR(inode->i_mode); + int error; if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) return -EINVAL; if (flags & RENAME_EXCHANGE) - return simple_rename_exchange(old_dir, old_dentry, new_dir, new_dentry); + return simple_offset_rename_exchange(old_dir, old_dentry, + new_dir, new_dentry); if (!simple_empty(new_dentry)) return -ENOTEMPTY; if (flags & RENAME_WHITEOUT) { - int error; - error = shmem_whiteout(idmap, old_dir, old_dentry); if (error) return error; } + simple_offset_remove(shmem_get_offset_ctx(old_dir), old_dentry); + error = simple_offset_add(shmem_get_offset_ctx(new_dir), old_dentry); + if (error) + return error; + if (d_really_is_positive(new_dentry)) { (void) shmem_unlink(new_dir, new_dentry); if (they_are_dirs) { @@ -3269,9 +3433,7 @@ static int shmem_rename2(struct mnt_idmap *idmap, old_dir->i_size -= BOGO_DIRENT_SIZE; new_dir->i_size += BOGO_DIRENT_SIZE; - old_dir->i_ctime = old_dir->i_mtime = - new_dir->i_ctime = new_dir->i_mtime = - inode->i_ctime = current_time(old_dir); + simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry); inode_inc_iversion(old_dir); inode_inc_iversion(new_dir); return 0; @@ -3291,31 +3453,32 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir, inode = shmem_get_inode(idmap, dir->i_sb, dir, S_IFLNK | 0777, 0, VM_NORESERVE); - if (!inode) - return -ENOSPC; + + if (IS_ERR(inode)) + return PTR_ERR(inode); error = security_inode_init_security(inode, dir, &dentry->d_name, shmem_initxattrs, NULL); - if (error && error != -EOPNOTSUPP) { - iput(inode); - return error; - } + if (error && error != -EOPNOTSUPP) + goto out_iput; + + error = simple_offset_add(shmem_get_offset_ctx(dir), dentry); + if (error) + goto out_iput; inode->i_size = len-1; if (len <= SHORT_SYMLINK_LEN) { inode->i_link = kmemdup(symname, len, GFP_KERNEL); if (!inode->i_link) { - iput(inode); - return -ENOMEM; + error = -ENOMEM; + goto out_remove_offset; } inode->i_op = &shmem_short_symlink_operations; } else { inode_nohighmem(inode); error = shmem_get_folio(inode, 0, &folio, SGP_WRITE); - if (error) { - iput(inode); - return error; - } + if (error) + goto out_remove_offset; inode->i_mapping->a_ops = &shmem_aops; inode->i_op = &shmem_symlink_inode_operations; memcpy(folio_address(folio), symname, len); @@ -3325,11 +3488,17 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir, folio_put(folio); } dir->i_size += BOGO_DIRENT_SIZE; - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_mtime = inode_set_ctime_current(dir); inode_inc_iversion(dir); d_instantiate(dentry, inode); dget(dentry); return 0; + +out_remove_offset: + simple_offset_remove(shmem_get_offset_ctx(dir), dentry); +out_iput: + iput(inode); + return error; } static void shmem_put_link(void *arg) @@ -3397,7 +3566,7 @@ static int shmem_fileattr_set(struct mnt_idmap *idmap, (fa->flags & SHMEM_FL_USER_MODIFIABLE); shmem_set_inode_flags(inode, info->fsflags); - inode->i_ctime = current_time(inode); + inode_set_ctime_current(inode); inode_inc_iversion(inode); return 0; } @@ -3417,21 +3586,40 @@ static int shmem_initxattrs(struct inode *inode, void *fs_info) { struct shmem_inode_info *info = SHMEM_I(inode); + struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); const struct xattr *xattr; struct simple_xattr *new_xattr; + size_t ispace = 0; size_t len; + if (sbinfo->max_inodes) { + for (xattr = xattr_array; xattr->name != NULL; xattr++) { + ispace += simple_xattr_space(xattr->name, + xattr->value_len + XATTR_SECURITY_PREFIX_LEN); + } + if (ispace) { + raw_spin_lock(&sbinfo->stat_lock); + if (sbinfo->free_ispace < ispace) + ispace = 0; + else + sbinfo->free_ispace -= ispace; + raw_spin_unlock(&sbinfo->stat_lock); + if (!ispace) + return -ENOSPC; + } + } + for (xattr = xattr_array; xattr->name != NULL; xattr++) { new_xattr = simple_xattr_alloc(xattr->value, xattr->value_len); if (!new_xattr) - return -ENOMEM; + break; len = strlen(xattr->name) + 1; new_xattr->name = kmalloc(XATTR_SECURITY_PREFIX_LEN + len, - GFP_KERNEL); + GFP_KERNEL_ACCOUNT); if (!new_xattr->name) { kvfree(new_xattr); - return -ENOMEM; + break; } memcpy(new_xattr->name, XATTR_SECURITY_PREFIX, @@ -3442,6 +3630,16 @@ static int shmem_initxattrs(struct inode *inode, simple_xattr_add(&info->xattrs, new_xattr); } + if (xattr->name != NULL) { + if (ispace) { + raw_spin_lock(&sbinfo->stat_lock); + sbinfo->free_ispace += ispace; + raw_spin_unlock(&sbinfo->stat_lock); + } + simple_xattrs_free(&info->xattrs, NULL); + return -ENOMEM; + } + return 0; } @@ -3462,15 +3660,40 @@ static int shmem_xattr_handler_set(const struct xattr_handler *handler, size_t size, int flags) { struct shmem_inode_info *info = SHMEM_I(inode); - int err; + struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); + struct simple_xattr *old_xattr; + size_t ispace = 0; name = xattr_full_name(handler, name); - err = simple_xattr_set(&info->xattrs, name, value, size, flags, NULL); - if (!err) { - inode->i_ctime = current_time(inode); + if (value && sbinfo->max_inodes) { + ispace = simple_xattr_space(name, size); + raw_spin_lock(&sbinfo->stat_lock); + if (sbinfo->free_ispace < ispace) + ispace = 0; + else + sbinfo->free_ispace -= ispace; + raw_spin_unlock(&sbinfo->stat_lock); + if (!ispace) + return -ENOSPC; + } + + old_xattr = simple_xattr_set(&info->xattrs, name, value, size, flags); + if (!IS_ERR(old_xattr)) { + ispace = 0; + if (old_xattr && sbinfo->max_inodes) + ispace = simple_xattr_space(old_xattr->name, + old_xattr->size); + simple_xattr_free(old_xattr); + old_xattr = NULL; + inode_set_ctime_current(inode); inode_inc_iversion(inode); } - return err; + if (ispace) { + raw_spin_lock(&sbinfo->stat_lock); + sbinfo->free_ispace += ispace; + raw_spin_unlock(&sbinfo->stat_lock); + } + return PTR_ERR(old_xattr); } static const struct xattr_handler shmem_security_xattr_handler = { @@ -3485,9 +3708,16 @@ static const struct xattr_handler shmem_trusted_xattr_handler = { .set = shmem_xattr_handler_set, }; +static const struct xattr_handler shmem_user_xattr_handler = { + .prefix = XATTR_USER_PREFIX, + .get = shmem_xattr_handler_get, + .set = shmem_xattr_handler_set, +}; + static const struct xattr_handler *shmem_xattr_handlers[] = { &shmem_security_xattr_handler, &shmem_trusted_xattr_handler, + &shmem_user_xattr_handler, NULL }; @@ -3500,6 +3730,7 @@ static ssize_t shmem_listxattr(struct dentry *dentry, char *buffer, size_t size) static const struct inode_operations shmem_short_symlink_operations = { .getattr = shmem_getattr, + .setattr = shmem_setattr, .get_link = simple_get_link, #ifdef CONFIG_TMPFS_XATTR .listxattr = shmem_listxattr, @@ -3508,6 +3739,7 @@ static const struct inode_operations shmem_short_symlink_operations = { static const struct inode_operations shmem_symlink_inode_operations = { .getattr = shmem_getattr, + .setattr = shmem_setattr, .get_link = shmem_get_link, #ifdef CONFIG_TMPFS_XATTR .listxattr = shmem_listxattr, @@ -3607,6 +3839,13 @@ enum shmem_param { Opt_inode32, Opt_inode64, Opt_noswap, + Opt_quota, + Opt_usrquota, + Opt_grpquota, + Opt_usrquota_block_hardlimit, + Opt_usrquota_inode_hardlimit, + Opt_grpquota_block_hardlimit, + Opt_grpquota_inode_hardlimit, }; static const struct constant_table shmem_param_enums_huge[] = { @@ -3629,6 +3868,15 @@ const struct fs_parameter_spec shmem_fs_parameters[] = { fsparam_flag ("inode32", Opt_inode32), fsparam_flag ("inode64", Opt_inode64), fsparam_flag ("noswap", Opt_noswap), +#ifdef CONFIG_TMPFS_QUOTA + fsparam_flag ("quota", Opt_quota), + fsparam_flag ("usrquota", Opt_usrquota), + fsparam_flag ("grpquota", Opt_grpquota), + fsparam_string("usrquota_block_hardlimit", Opt_usrquota_block_hardlimit), + fsparam_string("usrquota_inode_hardlimit", Opt_usrquota_inode_hardlimit), + fsparam_string("grpquota_block_hardlimit", Opt_grpquota_block_hardlimit), + fsparam_string("grpquota_inode_hardlimit", Opt_grpquota_inode_hardlimit), +#endif {} }; @@ -3639,6 +3887,8 @@ static int shmem_parse_one(struct fs_context *fc, struct fs_parameter *param) unsigned long long size; char *rest; int opt; + kuid_t kuid; + kgid_t kgid; opt = fs_parse(fc, shmem_fs_parameters, param, &result); if (opt < 0) @@ -3660,13 +3910,13 @@ static int shmem_parse_one(struct fs_context *fc, struct fs_parameter *param) break; case Opt_nr_blocks: ctx->blocks = memparse(param->string, &rest); - if (*rest || ctx->blocks > S64_MAX) + if (*rest || ctx->blocks > LONG_MAX) goto bad_value; ctx->seen |= SHMEM_SEEN_BLOCKS; break; case Opt_nr_inodes: ctx->inodes = memparse(param->string, &rest); - if (*rest) + if (*rest || ctx->inodes > ULONG_MAX / BOGO_INODE_SIZE) goto bad_value; ctx->seen |= SHMEM_SEEN_INODES; break; @@ -3674,14 +3924,32 @@ static int shmem_parse_one(struct fs_context *fc, struct fs_parameter *param) ctx->mode = result.uint_32 & 07777; break; case Opt_uid: - ctx->uid = make_kuid(current_user_ns(), result.uint_32); - if (!uid_valid(ctx->uid)) + kuid = make_kuid(current_user_ns(), result.uint_32); + if (!uid_valid(kuid)) + goto bad_value; + + /* + * The requested uid must be representable in the + * filesystem's idmapping. + */ + if (!kuid_has_mapping(fc->user_ns, kuid)) goto bad_value; + + ctx->uid = kuid; break; case Opt_gid: - ctx->gid = make_kgid(current_user_ns(), result.uint_32); - if (!gid_valid(ctx->gid)) + kgid = make_kgid(current_user_ns(), result.uint_32); + if (!gid_valid(kgid)) + goto bad_value; + + /* + * The requested gid must be representable in the + * filesystem's idmapping. + */ + if (!kgid_has_mapping(fc->user_ns, kgid)) goto bad_value; + + ctx->gid = kgid; break; case Opt_huge: ctx->huge = result.uint_32; @@ -3720,6 +3988,60 @@ static int shmem_parse_one(struct fs_context *fc, struct fs_parameter *param) ctx->noswap = true; ctx->seen |= SHMEM_SEEN_NOSWAP; break; + case Opt_quota: + if (fc->user_ns != &init_user_ns) + return invalfc(fc, "Quotas in unprivileged tmpfs mounts are unsupported"); + ctx->seen |= SHMEM_SEEN_QUOTA; + ctx->quota_types |= (QTYPE_MASK_USR | QTYPE_MASK_GRP); + break; + case Opt_usrquota: + if (fc->user_ns != &init_user_ns) + return invalfc(fc, "Quotas in unprivileged tmpfs mounts are unsupported"); + ctx->seen |= SHMEM_SEEN_QUOTA; + ctx->quota_types |= QTYPE_MASK_USR; + break; + case Opt_grpquota: + if (fc->user_ns != &init_user_ns) + return invalfc(fc, "Quotas in unprivileged tmpfs mounts are unsupported"); + ctx->seen |= SHMEM_SEEN_QUOTA; + ctx->quota_types |= QTYPE_MASK_GRP; + break; + case Opt_usrquota_block_hardlimit: + size = memparse(param->string, &rest); + if (*rest || !size) + goto bad_value; + if (size > SHMEM_QUOTA_MAX_SPC_LIMIT) + return invalfc(fc, + "User quota block hardlimit too large."); + ctx->qlimits.usrquota_bhardlimit = size; + break; + case Opt_grpquota_block_hardlimit: + size = memparse(param->string, &rest); + if (*rest || !size) + goto bad_value; + if (size > SHMEM_QUOTA_MAX_SPC_LIMIT) + return invalfc(fc, + "Group quota block hardlimit too large."); + ctx->qlimits.grpquota_bhardlimit = size; + break; + case Opt_usrquota_inode_hardlimit: + size = memparse(param->string, &rest); + if (*rest || !size) + goto bad_value; + if (size > SHMEM_QUOTA_MAX_INO_LIMIT) + return invalfc(fc, + "User quota inode hardlimit too large."); + ctx->qlimits.usrquota_ihardlimit = size; + break; + case Opt_grpquota_inode_hardlimit: + size = memparse(param->string, &rest); + if (*rest || !size) + goto bad_value; + if (size > SHMEM_QUOTA_MAX_INO_LIMIT) + return invalfc(fc, + "Group quota inode hardlimit too large."); + ctx->qlimits.grpquota_ihardlimit = size; + break; } return 0; @@ -3775,21 +4097,17 @@ static int shmem_parse_options(struct fs_context *fc, void *data) /* * Reconfigure a shmem filesystem. - * - * Note that we disallow change from limited->unlimited blocks/inodes while any - * are in use; but we must separately disallow unlimited->limited, because in - * that case we have no record of how much is already in use. */ static int shmem_reconfigure(struct fs_context *fc) { struct shmem_options *ctx = fc->fs_private; struct shmem_sb_info *sbinfo = SHMEM_SB(fc->root->d_sb); - unsigned long inodes; + unsigned long used_isp; struct mempolicy *mpol = NULL; const char *err; raw_spin_lock(&sbinfo->stat_lock); - inodes = sbinfo->max_inodes - sbinfo->free_inodes; + used_isp = sbinfo->max_inodes * BOGO_INODE_SIZE - sbinfo->free_ispace; if ((ctx->seen & SHMEM_SEEN_BLOCKS) && ctx->blocks) { if (!sbinfo->max_blocks) { @@ -3807,7 +4125,7 @@ static int shmem_reconfigure(struct fs_context *fc) err = "Cannot retroactively limit inodes"; goto out; } - if (ctx->inodes < inodes) { + if (ctx->inodes * BOGO_INODE_SIZE < used_isp) { err = "Too few inodes for current use"; goto out; } @@ -3827,6 +4145,24 @@ static int shmem_reconfigure(struct fs_context *fc) goto out; } + if (ctx->seen & SHMEM_SEEN_QUOTA && + !sb_any_quota_loaded(fc->root->d_sb)) { + err = "Cannot enable quota on remount"; + goto out; + } + +#ifdef CONFIG_TMPFS_QUOTA +#define CHANGED_LIMIT(name) \ + (ctx->qlimits.name## hardlimit && \ + (ctx->qlimits.name## hardlimit != sbinfo->qlimits.name## hardlimit)) + + if (CHANGED_LIMIT(usrquota_b) || CHANGED_LIMIT(usrquota_i) || + CHANGED_LIMIT(grpquota_b) || CHANGED_LIMIT(grpquota_i)) { + err = "Cannot change global quota limit on remount"; + goto out; + } +#endif /* CONFIG_TMPFS_QUOTA */ + if (ctx->seen & SHMEM_SEEN_HUGE) sbinfo->huge = ctx->huge; if (ctx->seen & SHMEM_SEEN_INUMS) @@ -3835,7 +4171,7 @@ static int shmem_reconfigure(struct fs_context *fc) sbinfo->max_blocks = ctx->blocks; if (ctx->seen & SHMEM_SEEN_INODES) { sbinfo->max_inodes = ctx->inodes; - sbinfo->free_inodes = ctx->inodes - inodes; + sbinfo->free_ispace = ctx->inodes * BOGO_INODE_SIZE - used_isp; } /* @@ -3918,6 +4254,9 @@ static void shmem_put_super(struct super_block *sb) { struct shmem_sb_info *sbinfo = SHMEM_SB(sb); +#ifdef CONFIG_TMPFS_QUOTA + shmem_disable_quotas(sb); +#endif free_percpu(sbinfo->ino_batch); percpu_counter_destroy(&sbinfo->used_blocks); mpol_put(sbinfo->mpol); @@ -3930,12 +4269,13 @@ static int shmem_fill_super(struct super_block *sb, struct fs_context *fc) struct shmem_options *ctx = fc->fs_private; struct inode *inode; struct shmem_sb_info *sbinfo; + int error = -ENOMEM; /* Round up to L1_CACHE_BYTES to resist false sharing */ sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL); if (!sbinfo) - return -ENOMEM; + return error; sb->s_fs_info = sbinfo; @@ -3962,7 +4302,8 @@ static int shmem_fill_super(struct super_block *sb, struct fs_context *fc) sb->s_flags |= SB_NOUSER; #endif sbinfo->max_blocks = ctx->blocks; - sbinfo->free_inodes = sbinfo->max_inodes = ctx->inodes; + sbinfo->max_inodes = ctx->inodes; + sbinfo->free_ispace = sbinfo->max_inodes * BOGO_INODE_SIZE; if (sb->s_flags & SB_KERNMOUNT) { sbinfo->ino_batch = alloc_percpu(ino_t); if (!sbinfo->ino_batch) @@ -3996,10 +4337,27 @@ static int shmem_fill_super(struct super_block *sb, struct fs_context *fc) #endif uuid_gen(&sb->s_uuid); +#ifdef CONFIG_TMPFS_QUOTA + if (ctx->seen & SHMEM_SEEN_QUOTA) { + sb->dq_op = &shmem_quota_operations; + sb->s_qcop = &dquot_quotactl_sysfile_ops; + sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; + + /* Copy the default limits from ctx into sbinfo */ + memcpy(&sbinfo->qlimits, &ctx->qlimits, + sizeof(struct shmem_quota_limits)); + + if (shmem_enable_quotas(sb, ctx->quota_types)) + goto failed; + } +#endif /* CONFIG_TMPFS_QUOTA */ + inode = shmem_get_inode(&nop_mnt_idmap, sb, NULL, S_IFDIR | sbinfo->mode, 0, VM_NORESERVE); - if (!inode) + if (IS_ERR(inode)) { + error = PTR_ERR(inode); goto failed; + } inode->i_uid = sbinfo->uid; inode->i_gid = sbinfo->gid; sb->s_root = d_make_root(inode); @@ -4009,7 +4367,7 @@ static int shmem_fill_super(struct super_block *sb, struct fs_context *fc) failed: shmem_put_super(sb); - return -ENOMEM; + return error; } static int shmem_get_tree(struct fs_context *fc) @@ -4059,6 +4417,8 @@ static void shmem_destroy_inode(struct inode *inode) { if (S_ISREG(inode->i_mode)) mpol_free_shared_policy(&SHMEM_I(inode)->policy); + if (S_ISDIR(inode->i_mode)) + simple_offset_destroy(shmem_get_offset_ctx(inode)); } static void shmem_init_inode(void *foo) @@ -4102,12 +4462,12 @@ EXPORT_SYMBOL(shmem_aops); static const struct file_operations shmem_file_operations = { .mmap = shmem_mmap, - .open = generic_file_open, + .open = shmem_file_open, .get_unmapped_area = shmem_get_unmapped_area, #ifdef CONFIG_TMPFS .llseek = shmem_file_llseek, .read_iter = shmem_file_read_iter, - .write_iter = generic_file_write_iter, + .write_iter = shmem_file_write_iter, .fsync = noop_fsync, .splice_read = shmem_file_splice_read, .splice_write = iter_file_splice_write, @@ -4139,6 +4499,7 @@ static const struct inode_operations shmem_dir_inode_operations = { .mknod = shmem_mknod, .rename = shmem_rename2, .tmpfile = shmem_tmpfile, + .get_offset_ctx = shmem_get_offset_ctx, #endif #ifdef CONFIG_TMPFS_XATTR .listxattr = shmem_listxattr, @@ -4170,6 +4531,9 @@ static const struct super_operations shmem_ops = { .statfs = shmem_statfs, .show_options = shmem_show_options, #endif +#ifdef CONFIG_TMPFS_QUOTA + .get_dquots = shmem_get_dquots, +#endif .evict_inode = shmem_evict_inode, .drop_inode = generic_delete_inode, .put_super = shmem_put_super, @@ -4223,7 +4587,7 @@ static struct file_system_type shmem_fs_type = { #endif .kill_sb = kill_litter_super, #ifdef CONFIG_SHMEM - .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP, + .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP | FS_MGTIME, #else .fs_flags = FS_USERNS_MOUNT, #endif @@ -4235,6 +4599,14 @@ void __init shmem_init(void) shmem_init_inodecache(); +#ifdef CONFIG_TMPFS_QUOTA + error = register_quota_format(&shmem_quota_format); + if (error < 0) { + pr_err("Could not register quota format\n"); + goto out3; + } +#endif + error = register_filesystem(&shmem_fs_type); if (error) { pr_err("Could not register tmpfs\n"); @@ -4259,6 +4631,10 @@ void __init shmem_init(void) out1: unregister_filesystem(&shmem_fs_type); out2: +#ifdef CONFIG_TMPFS_QUOTA + unregister_quota_format(&shmem_quota_format); +out3: +#endif shmem_destroy_inodecache(); shm_mnt = ERR_PTR(error); } @@ -4378,10 +4754,16 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range); #define shmem_vm_ops generic_file_vm_ops #define shmem_anon_vm_ops generic_file_vm_ops #define shmem_file_operations ramfs_file_operations -#define shmem_get_inode(idmap, sb, dir, mode, dev, flags) ramfs_get_inode(sb, dir, mode, dev) #define shmem_acct_size(flags, size) 0 #define shmem_unacct_size(flags, size) do {} while (0) +static inline struct inode *shmem_get_inode(struct mnt_idmap *idmap, struct super_block *sb, struct inode *dir, + umode_t mode, dev_t dev, unsigned long flags) +{ + struct inode *inode = ramfs_get_inode(sb, dir, mode, dev); + return inode ? inode : ERR_PTR(-ENOSPC); +} + #endif /* CONFIG_SHMEM */ /* common code */ @@ -4406,9 +4788,10 @@ static struct file *__shmem_file_setup(struct vfsmount *mnt, const char *name, l inode = shmem_get_inode(&nop_mnt_idmap, mnt->mnt_sb, NULL, S_IFREG | S_IRWXUGO, 0, flags); - if (unlikely(!inode)) { + + if (IS_ERR(inode)) { shmem_unacct_size(flags, size); - return ERR_PTR(-ENOSPC); + return ERR_CAST(inode); } inode->i_flags |= i_flags; inode->i_size = size; diff --git a/mm/shmem_quota.c b/mm/shmem_quota.c new file mode 100644 index 000000000000..062d1c1097ae --- /dev/null +++ b/mm/shmem_quota.c @@ -0,0 +1,350 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * In memory quota format relies on quota infrastructure to store dquot + * information for us. While conventional quota formats for file systems + * with persistent storage can load quota information into dquot from the + * storage on-demand and hence quota dquot shrinker can free any dquot + * that is not currently being used, it must be avoided here. Otherwise we + * can lose valuable information, user provided limits, because there is + * no persistent storage to load the information from afterwards. + * + * One information that in-memory quota format needs to keep track of is + * a sorted list of ids for each quota type. This is done by utilizing + * an rb tree which root is stored in mem_dqinfo->dqi_priv for each quota + * type. + * + * This format can be used to support quota on file system without persistent + * storage such as tmpfs. + * + * Author: Lukas Czerner <lczerner@redhat.com> + * Carlos Maiolino <cmaiolino@redhat.com> + * + * Copyright (C) 2023 Red Hat, Inc. + */ +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/mount.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/rbtree.h> +#include <linux/shmem_fs.h> + +#include <linux/quotaops.h> +#include <linux/quota.h> + +#ifdef CONFIG_TMPFS_QUOTA + +/* + * The following constants define the amount of time given a user + * before the soft limits are treated as hard limits (usually resulting + * in an allocation failure). The timer is started when the user crosses + * their soft limit, it is reset when they go below their soft limit. + */ +#define SHMEM_MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */ +#define SHMEM_MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */ + +struct quota_id { + struct rb_node node; + qid_t id; + qsize_t bhardlimit; + qsize_t bsoftlimit; + qsize_t ihardlimit; + qsize_t isoftlimit; +}; + +static int shmem_check_quota_file(struct super_block *sb, int type) +{ + /* There is no real quota file, nothing to do */ + return 1; +} + +/* + * There is no real quota file. Just allocate rb_root for quota ids and + * set limits + */ +static int shmem_read_file_info(struct super_block *sb, int type) +{ + struct quota_info *dqopt = sb_dqopt(sb); + struct mem_dqinfo *info = &dqopt->info[type]; + + info->dqi_priv = kzalloc(sizeof(struct rb_root), GFP_NOFS); + if (!info->dqi_priv) + return -ENOMEM; + + info->dqi_max_spc_limit = SHMEM_QUOTA_MAX_SPC_LIMIT; + info->dqi_max_ino_limit = SHMEM_QUOTA_MAX_INO_LIMIT; + + info->dqi_bgrace = SHMEM_MAX_DQ_TIME; + info->dqi_igrace = SHMEM_MAX_IQ_TIME; + info->dqi_flags = 0; + + return 0; +} + +static int shmem_write_file_info(struct super_block *sb, int type) +{ + /* There is no real quota file, nothing to do */ + return 0; +} + +/* + * Free all the quota_id entries in the rb tree and rb_root. + */ +static int shmem_free_file_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = &sb_dqopt(sb)->info[type]; + struct rb_root *root = info->dqi_priv; + struct quota_id *entry; + struct rb_node *node; + + info->dqi_priv = NULL; + node = rb_first(root); + while (node) { + entry = rb_entry(node, struct quota_id, node); + node = rb_next(&entry->node); + + rb_erase(&entry->node, root); + kfree(entry); + } + + kfree(root); + return 0; +} + +static int shmem_get_next_id(struct super_block *sb, struct kqid *qid) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, qid->type); + struct rb_node *node = ((struct rb_root *)info->dqi_priv)->rb_node; + qid_t id = from_kqid(&init_user_ns, *qid); + struct quota_info *dqopt = sb_dqopt(sb); + struct quota_id *entry = NULL; + int ret = 0; + + if (!sb_has_quota_active(sb, qid->type)) + return -ESRCH; + + down_read(&dqopt->dqio_sem); + while (node) { + entry = rb_entry(node, struct quota_id, node); + + if (id < entry->id) + node = node->rb_left; + else if (id > entry->id) + node = node->rb_right; + else + goto got_next_id; + } + + if (!entry) { + ret = -ENOENT; + goto out_unlock; + } + + if (id > entry->id) { + node = rb_next(&entry->node); + if (!node) { + ret = -ENOENT; + goto out_unlock; + } + entry = rb_entry(node, struct quota_id, node); + } + +got_next_id: + *qid = make_kqid(&init_user_ns, qid->type, entry->id); +out_unlock: + up_read(&dqopt->dqio_sem); + return ret; +} + +/* + * Load dquot with limits from existing entry, or create the new entry if + * it does not exist. + */ +static int shmem_acquire_dquot(struct dquot *dquot) +{ + struct mem_dqinfo *info = sb_dqinfo(dquot->dq_sb, dquot->dq_id.type); + struct rb_node **n = &((struct rb_root *)info->dqi_priv)->rb_node; + struct shmem_sb_info *sbinfo = dquot->dq_sb->s_fs_info; + struct rb_node *parent = NULL, *new_node = NULL; + struct quota_id *new_entry, *entry; + qid_t id = from_kqid(&init_user_ns, dquot->dq_id); + struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); + int ret = 0; + + mutex_lock(&dquot->dq_lock); + + down_write(&dqopt->dqio_sem); + while (*n) { + parent = *n; + entry = rb_entry(parent, struct quota_id, node); + + if (id < entry->id) + n = &(*n)->rb_left; + else if (id > entry->id) + n = &(*n)->rb_right; + else + goto found; + } + + /* We don't have entry for this id yet, create it */ + new_entry = kzalloc(sizeof(struct quota_id), GFP_NOFS); + if (!new_entry) { + ret = -ENOMEM; + goto out_unlock; + } + + new_entry->id = id; + if (dquot->dq_id.type == USRQUOTA) { + new_entry->bhardlimit = sbinfo->qlimits.usrquota_bhardlimit; + new_entry->ihardlimit = sbinfo->qlimits.usrquota_ihardlimit; + } else if (dquot->dq_id.type == GRPQUOTA) { + new_entry->bhardlimit = sbinfo->qlimits.grpquota_bhardlimit; + new_entry->ihardlimit = sbinfo->qlimits.grpquota_ihardlimit; + } + + new_node = &new_entry->node; + rb_link_node(new_node, parent, n); + rb_insert_color(new_node, (struct rb_root *)info->dqi_priv); + entry = new_entry; + +found: + /* Load the stored limits from the tree */ + spin_lock(&dquot->dq_dqb_lock); + dquot->dq_dqb.dqb_bhardlimit = entry->bhardlimit; + dquot->dq_dqb.dqb_bsoftlimit = entry->bsoftlimit; + dquot->dq_dqb.dqb_ihardlimit = entry->ihardlimit; + dquot->dq_dqb.dqb_isoftlimit = entry->isoftlimit; + + if (!dquot->dq_dqb.dqb_bhardlimit && + !dquot->dq_dqb.dqb_bsoftlimit && + !dquot->dq_dqb.dqb_ihardlimit && + !dquot->dq_dqb.dqb_isoftlimit) + set_bit(DQ_FAKE_B, &dquot->dq_flags); + spin_unlock(&dquot->dq_dqb_lock); + + /* Make sure flags update is visible after dquot has been filled */ + smp_mb__before_atomic(); + set_bit(DQ_ACTIVE_B, &dquot->dq_flags); +out_unlock: + up_write(&dqopt->dqio_sem); + mutex_unlock(&dquot->dq_lock); + return ret; +} + +static bool shmem_is_empty_dquot(struct dquot *dquot) +{ + struct shmem_sb_info *sbinfo = dquot->dq_sb->s_fs_info; + qsize_t bhardlimit; + qsize_t ihardlimit; + + if (dquot->dq_id.type == USRQUOTA) { + bhardlimit = sbinfo->qlimits.usrquota_bhardlimit; + ihardlimit = sbinfo->qlimits.usrquota_ihardlimit; + } else if (dquot->dq_id.type == GRPQUOTA) { + bhardlimit = sbinfo->qlimits.grpquota_bhardlimit; + ihardlimit = sbinfo->qlimits.grpquota_ihardlimit; + } + + if (test_bit(DQ_FAKE_B, &dquot->dq_flags) || + (dquot->dq_dqb.dqb_curspace == 0 && + dquot->dq_dqb.dqb_curinodes == 0 && + dquot->dq_dqb.dqb_bhardlimit == bhardlimit && + dquot->dq_dqb.dqb_ihardlimit == ihardlimit)) + return true; + + return false; +} +/* + * Store limits from dquot in the tree unless it's fake. If it is fake + * remove the id from the tree since there is no useful information in + * there. + */ +static int shmem_release_dquot(struct dquot *dquot) +{ + struct mem_dqinfo *info = sb_dqinfo(dquot->dq_sb, dquot->dq_id.type); + struct rb_node *node = ((struct rb_root *)info->dqi_priv)->rb_node; + qid_t id = from_kqid(&init_user_ns, dquot->dq_id); + struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); + struct quota_id *entry = NULL; + + mutex_lock(&dquot->dq_lock); + /* Check whether we are not racing with some other dqget() */ + if (dquot_is_busy(dquot)) + goto out_dqlock; + + down_write(&dqopt->dqio_sem); + while (node) { + entry = rb_entry(node, struct quota_id, node); + + if (id < entry->id) + node = node->rb_left; + else if (id > entry->id) + node = node->rb_right; + else + goto found; + } + + /* We should always find the entry in the rb tree */ + WARN_ONCE(1, "quota id %u from dquot %p, not in rb tree!\n", id, dquot); + up_write(&dqopt->dqio_sem); + mutex_unlock(&dquot->dq_lock); + return -ENOENT; + +found: + if (shmem_is_empty_dquot(dquot)) { + /* Remove entry from the tree */ + rb_erase(&entry->node, info->dqi_priv); + kfree(entry); + } else { + /* Store the limits in the tree */ + spin_lock(&dquot->dq_dqb_lock); + entry->bhardlimit = dquot->dq_dqb.dqb_bhardlimit; + entry->bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit; + entry->ihardlimit = dquot->dq_dqb.dqb_ihardlimit; + entry->isoftlimit = dquot->dq_dqb.dqb_isoftlimit; + spin_unlock(&dquot->dq_dqb_lock); + } + + clear_bit(DQ_ACTIVE_B, &dquot->dq_flags); + up_write(&dqopt->dqio_sem); + +out_dqlock: + mutex_unlock(&dquot->dq_lock); + return 0; +} + +static int shmem_mark_dquot_dirty(struct dquot *dquot) +{ + return 0; +} + +static int shmem_dquot_write_info(struct super_block *sb, int type) +{ + return 0; +} + +static const struct quota_format_ops shmem_format_ops = { + .check_quota_file = shmem_check_quota_file, + .read_file_info = shmem_read_file_info, + .write_file_info = shmem_write_file_info, + .free_file_info = shmem_free_file_info, +}; + +struct quota_format_type shmem_quota_format = { + .qf_fmt_id = QFMT_SHMEM, + .qf_ops = &shmem_format_ops, + .qf_owner = THIS_MODULE +}; + +const struct dquot_operations shmem_quota_operations = { + .acquire_dquot = shmem_acquire_dquot, + .release_dquot = shmem_release_dquot, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, + .write_info = shmem_dquot_write_info, + .mark_dirty = shmem_mark_dquot_dirty, + .get_next_id = shmem_get_next_id, +}; +#endif /* CONFIG_TMPFS_QUOTA */ diff --git a/mm/swapfile.c b/mm/swapfile.c index 8e6dde68b389..b15112b1f1a8 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1746,7 +1746,7 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, struct page *swapcache; spinlock_t *ptl; pte_t *pte, new_pte, old_pte; - bool hwposioned = false; + bool hwpoisoned = PageHWPoison(page); int ret = 1; swapcache = page; @@ -1754,7 +1754,7 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, if (unlikely(!page)) return -ENOMEM; else if (unlikely(PTR_ERR(page) == -EHWPOISON)) - hwposioned = true; + hwpoisoned = true; pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); if (unlikely(!pte || !pte_same_as_swp(ptep_get(pte), @@ -1765,11 +1765,11 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, old_pte = ptep_get(pte); - if (unlikely(hwposioned || !PageUptodate(page))) { + if (unlikely(hwpoisoned || !PageUptodate(page))) { swp_entry_t swp_entry; dec_mm_counter(vma->vm_mm, MM_SWAPENTS); - if (hwposioned) { + if (hwpoisoned) { swp_entry = make_hwpoison_entry(swapcache); page = swapcache; } else { diff --git a/mm/truncate.c b/mm/truncate.c index 95d1291d269b..c3320e66d6ea 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -657,11 +657,11 @@ int invalidate_inode_pages2_range(struct address_space *mapping, } folio_lock(folio); - VM_BUG_ON_FOLIO(!folio_contains(folio, indices[i]), folio); - if (folio->mapping != mapping) { + if (unlikely(folio->mapping != mapping)) { folio_unlock(folio); continue; } + VM_BUG_ON_FOLIO(!folio_contains(folio, indices[i]), folio); folio_wait_writeback(folio); if (folio_mapped(folio)) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 93cf99aba335..228a4a5312f2 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2979,6 +2979,10 @@ void *vmap_pfn(unsigned long *pfns, unsigned int count, pgprot_t prot) free_vm_area(area); return NULL; } + + flush_cache_vmap((unsigned long)area->addr, + (unsigned long)area->addr + count * PAGE_SIZE); + return area->addr; } EXPORT_SYMBOL_GPL(vmap_pfn); diff --git a/mm/vmscan.c b/mm/vmscan.c index 1080209a568b..2fe4a11d63f4 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -4284,6 +4284,7 @@ static void walk_mm(struct lruvec *lruvec, struct mm_struct *mm, struct lru_gen_ static const struct mm_walk_ops mm_walk_ops = { .test_walk = should_skip_vma, .p4d_entry = walk_pud_range, + .walk_lock = PGWALK_RDLOCK, }; int err; @@ -4853,16 +4854,17 @@ void lru_gen_release_memcg(struct mem_cgroup *memcg) spin_lock_irq(&pgdat->memcg_lru.lock); - VM_WARN_ON_ONCE(hlist_nulls_unhashed(&lruvec->lrugen.list)); + if (hlist_nulls_unhashed(&lruvec->lrugen.list)) + goto unlock; gen = lruvec->lrugen.gen; - hlist_nulls_del_rcu(&lruvec->lrugen.list); + hlist_nulls_del_init_rcu(&lruvec->lrugen.list); pgdat->memcg_lru.nr_memcgs[gen]--; if (!pgdat->memcg_lru.nr_memcgs[gen] && gen == get_memcg_gen(pgdat->memcg_lru.seq)) WRITE_ONCE(pgdat->memcg_lru.seq, pgdat->memcg_lru.seq + 1); - +unlock: spin_unlock_irq(&pgdat->memcg_lru.lock); } } @@ -5434,8 +5436,10 @@ restart: rcu_read_lock(); hlist_nulls_for_each_entry_rcu(lrugen, pos, &pgdat->memcg_lru.fifo[gen][bin], list) { - if (op) + if (op) { lru_gen_rotate_memcg(lruvec, op); + op = 0; + } mem_cgroup_put(memcg); @@ -5443,7 +5447,7 @@ restart: memcg = lruvec_memcg(lruvec); if (!mem_cgroup_tryget(memcg)) { - op = 0; + lru_gen_release_memcg(memcg); memcg = NULL; continue; } diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 3f057970504e..32916d28d9d9 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1798,6 +1798,7 @@ static void replace_sub_page(struct size_class *class, struct zspage *zspage, static bool zs_page_isolate(struct page *page, isolate_mode_t mode) { + struct zs_pool *pool; struct zspage *zspage; /* @@ -1807,9 +1808,10 @@ static bool zs_page_isolate(struct page *page, isolate_mode_t mode) VM_BUG_ON_PAGE(PageIsolated(page), page); zspage = get_zspage(page); - migrate_write_lock(zspage); + pool = zspage->pool; + spin_lock(&pool->lock); inc_zspage_isolation(zspage); - migrate_write_unlock(zspage); + spin_unlock(&pool->lock); return true; } @@ -1875,12 +1877,12 @@ static int zs_page_migrate(struct page *newpage, struct page *page, kunmap_atomic(s_addr); replace_sub_page(class, zspage, newpage, page); + dec_zspage_isolation(zspage); /* * Since we complete the data copy and set up new zspage structure, * it's okay to release the pool's lock. */ spin_unlock(&pool->lock); - dec_zspage_isolation(zspage); migrate_write_unlock(zspage); get_page(newpage); @@ -1897,14 +1899,16 @@ static int zs_page_migrate(struct page *newpage, struct page *page, static void zs_page_putback(struct page *page) { + struct zs_pool *pool; struct zspage *zspage; VM_BUG_ON_PAGE(!PageIsolated(page), page); zspage = get_zspage(page); - migrate_write_lock(zspage); + pool = zspage->pool; + spin_lock(&pool->lock); dec_zspage_isolation(zspage); - migrate_write_unlock(zspage); + spin_unlock(&pool->lock); } static const struct movable_operations zsmalloc_mops = { diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c index acff565849ae..1d704574e6bf 100644 --- a/net/batman-adv/bat_v_elp.c +++ b/net/batman-adv/bat_v_elp.c @@ -505,7 +505,7 @@ int batadv_v_elp_packet_recv(struct sk_buff *skb, struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct batadv_elp_packet *elp_packet; struct batadv_hard_iface *primary_if; - struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb); + struct ethhdr *ethhdr; bool res; int ret = NET_RX_DROP; @@ -513,6 +513,7 @@ int batadv_v_elp_packet_recv(struct sk_buff *skb, if (!res) goto free_skb; + ethhdr = eth_hdr(skb); if (batadv_is_my_mac(bat_priv, ethhdr->h_source)) goto free_skb; diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c index e710e9afe78f..e503ee0d896b 100644 --- a/net/batman-adv/bat_v_ogm.c +++ b/net/batman-adv/bat_v_ogm.c @@ -123,8 +123,10 @@ static void batadv_v_ogm_send_to_if(struct sk_buff *skb, { struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - if (hard_iface->if_status != BATADV_IF_ACTIVE) + if (hard_iface->if_status != BATADV_IF_ACTIVE) { + kfree_skb(skb); return; + } batadv_inc_counter(bat_priv, BATADV_CNT_MGMT_TX); batadv_add_counter(bat_priv, BATADV_CNT_MGMT_TX_BYTES, @@ -985,7 +987,7 @@ int batadv_v_ogm_packet_recv(struct sk_buff *skb, { struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct batadv_ogm2_packet *ogm_packet; - struct ethhdr *ethhdr = eth_hdr(skb); + struct ethhdr *ethhdr; int ogm_offset; u8 *packet_pos; int ret = NET_RX_DROP; @@ -999,6 +1001,7 @@ int batadv_v_ogm_packet_recv(struct sk_buff *skb, if (!batadv_check_management_packet(skb, if_incoming, BATADV_OGM2_HLEN)) goto free_skb; + ethhdr = eth_hdr(skb); if (batadv_is_my_mac(bat_priv, ethhdr->h_source)) goto free_skb; diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 41c1ad33d009..24c9c0c3f316 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -630,7 +630,19 @@ out: */ void batadv_update_min_mtu(struct net_device *soft_iface) { - soft_iface->mtu = batadv_hardif_min_mtu(soft_iface); + struct batadv_priv *bat_priv = netdev_priv(soft_iface); + int limit_mtu; + int mtu; + + mtu = batadv_hardif_min_mtu(soft_iface); + + if (bat_priv->mtu_set_by_user) + limit_mtu = bat_priv->mtu_set_by_user; + else + limit_mtu = ETH_DATA_LEN; + + mtu = min(mtu, limit_mtu); + dev_set_mtu(soft_iface, mtu); /* Check if the local translate table should be cleaned up to match a * new (and smaller) MTU. diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index ad5714f737be..6efbc9275aec 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -495,7 +495,10 @@ static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info) attr = info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED]; atomic_set(&bat_priv->fragmentation, !!nla_get_u8(attr)); + + rtnl_lock(); batadv_update_min_mtu(bat_priv->soft_iface); + rtnl_unlock(); } if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]) { diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index d3fdf82282af..85d00dc9ce32 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -153,11 +153,14 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu) { + struct batadv_priv *bat_priv = netdev_priv(dev); + /* check ranges */ if (new_mtu < 68 || new_mtu > batadv_hardif_min_mtu(dev)) return -EINVAL; dev->mtu = new_mtu; + bat_priv->mtu_set_by_user = new_mtu; return 0; } diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 36ca31252a73..b95c36765d04 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -774,7 +774,6 @@ check_roaming: if (roamed_back) { batadv_tt_global_free(bat_priv, tt_global, "Roaming canceled"); - tt_global = NULL; } else { /* The global entry has to be marked as ROAMING and * has to be kept for consistency purpose diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index ca9449ec9836..cf1a0eafe3ab 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1547,6 +1547,12 @@ struct batadv_priv { struct net_device *soft_iface; /** + * @mtu_set_by_user: MTU was set once by user + * protected by rtnl_lock + */ + int mtu_set_by_user; + + /** * @bat_counters: mesh internal traffic statistic counters (see * batadv_counters) */ diff --git a/net/can/isotp.c b/net/can/isotp.c index 99770ed28531..f02b5d3e4733 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -188,12 +188,6 @@ static bool isotp_register_rxid(struct isotp_sock *so) return (isotp_bc_flags(so) == 0); } -static bool isotp_register_txecho(struct isotp_sock *so) -{ - /* all modes but SF_BROADCAST register for tx echo skbs */ - return (isotp_bc_flags(so) != CAN_ISOTP_SF_BROADCAST); -} - static enum hrtimer_restart isotp_rx_timer_handler(struct hrtimer *hrtimer) { struct isotp_sock *so = container_of(hrtimer, struct isotp_sock, @@ -1209,7 +1203,7 @@ static int isotp_release(struct socket *sock) lock_sock(sk); /* remove current filters & unregister */ - if (so->bound && isotp_register_txecho(so)) { + if (so->bound) { if (so->ifindex) { struct net_device *dev; @@ -1332,14 +1326,12 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len) can_rx_register(net, dev, rx_id, SINGLE_MASK(rx_id), isotp_rcv, sk, "isotp", sk); - if (isotp_register_txecho(so)) { - /* no consecutive frame echo skb in flight */ - so->cfecho = 0; + /* no consecutive frame echo skb in flight */ + so->cfecho = 0; - /* register for echo skb's */ - can_rx_register(net, dev, tx_id, SINGLE_MASK(tx_id), - isotp_rcv_echo, sk, "isotpe", sk); - } + /* register for echo skb's */ + can_rx_register(net, dev, tx_id, SINGLE_MASK(tx_id), + isotp_rcv_echo, sk, "isotpe", sk); dev_put(dev); @@ -1560,7 +1552,7 @@ static void isotp_notify(struct isotp_sock *so, unsigned long msg, case NETDEV_UNREGISTER: lock_sock(sk); /* remove current filters & unregister */ - if (so->bound && isotp_register_txecho(so)) { + if (so->bound) { if (isotp_register_rxid(so)) can_rx_unregister(dev_net(dev), dev, so->rxid, SINGLE_MASK(so->rxid), diff --git a/net/can/raw.c b/net/can/raw.c index e10f59375659..d50c3f3d892f 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -85,6 +85,7 @@ struct raw_sock { int bound; int ifindex; struct net_device *dev; + netdevice_tracker dev_tracker; struct list_head notifier; int loopback; int recv_own_msgs; @@ -285,8 +286,10 @@ static void raw_notify(struct raw_sock *ro, unsigned long msg, case NETDEV_UNREGISTER: lock_sock(sk); /* remove current filters & unregister */ - if (ro->bound) + if (ro->bound) { raw_disable_allfilters(dev_net(dev), dev, sk); + netdev_put(dev, &ro->dev_tracker); + } if (ro->count > 1) kfree(ro->filter); @@ -391,10 +394,12 @@ static int raw_release(struct socket *sock) /* remove current filters & unregister */ if (ro->bound) { - if (ro->dev) + if (ro->dev) { raw_disable_allfilters(dev_net(ro->dev), ro->dev, sk); - else + netdev_put(ro->dev, &ro->dev_tracker); + } else { raw_disable_allfilters(sock_net(sk), NULL, sk); + } } if (ro->count > 1) @@ -445,10 +450,10 @@ static int raw_bind(struct socket *sock, struct sockaddr *uaddr, int len) goto out; } if (dev->type != ARPHRD_CAN) { - dev_put(dev); err = -ENODEV; - goto out; + goto out_put_dev; } + if (!(dev->flags & IFF_UP)) notify_enetdown = 1; @@ -456,7 +461,9 @@ static int raw_bind(struct socket *sock, struct sockaddr *uaddr, int len) /* filters set by default/setsockopt */ err = raw_enable_allfilters(sock_net(sk), dev, sk); - dev_put(dev); + if (err) + goto out_put_dev; + } else { ifindex = 0; @@ -467,18 +474,28 @@ static int raw_bind(struct socket *sock, struct sockaddr *uaddr, int len) if (!err) { if (ro->bound) { /* unregister old filters */ - if (ro->dev) + if (ro->dev) { raw_disable_allfilters(dev_net(ro->dev), ro->dev, sk); - else + /* drop reference to old ro->dev */ + netdev_put(ro->dev, &ro->dev_tracker); + } else { raw_disable_allfilters(sock_net(sk), NULL, sk); + } } ro->ifindex = ifindex; ro->bound = 1; + /* bind() ok -> hold a reference for new ro->dev */ ro->dev = dev; + if (ro->dev) + netdev_hold(ro->dev, &ro->dev_tracker, GFP_KERNEL); } - out: +out_put_dev: + /* remove potential reference from dev_get_by_index() */ + if (dev) + dev_put(dev); +out: release_sock(sk); rtnl_unlock(); diff --git a/net/core/filter.c b/net/core/filter.c index 06ba0e56e369..28a59596987a 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4116,12 +4116,6 @@ BPF_CALL_2(bpf_xdp_adjust_tail, struct xdp_buff *, xdp, int, offset) if (unlikely(data_end > data_hard_end)) return -EINVAL; - /* ALL drivers MUST init xdp->frame_sz, chicken check below */ - if (unlikely(xdp->frame_sz > PAGE_SIZE)) { - WARN_ONCE(1, "Too BIG xdp->frame_sz = %d\n", xdp->frame_sz); - return -EINVAL; - } - if (unlikely(data_end < xdp->data + ETH_HLEN)) return -EINVAL; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index aef25aa5cf1d..00c94d9622b4 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2268,13 +2268,27 @@ out_err: return err; } -int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len, - struct netlink_ext_ack *exterr) +int rtnl_nla_parse_ifinfomsg(struct nlattr **tb, const struct nlattr *nla_peer, + struct netlink_ext_ack *exterr) { - return nla_parse_deprecated(tb, IFLA_MAX, head, len, ifla_policy, + const struct ifinfomsg *ifmp; + const struct nlattr *attrs; + size_t len; + + ifmp = nla_data(nla_peer); + attrs = nla_data(nla_peer) + sizeof(struct ifinfomsg); + len = nla_len(nla_peer) - sizeof(struct ifinfomsg); + + if (ifmp->ifi_index < 0) { + NL_SET_ERR_MSG_ATTR(exterr, nla_peer, + "ifindex can't be negative"); + return -EINVAL; + } + + return nla_parse_deprecated(tb, IFLA_MAX, attrs, len, ifla_policy, exterr); } -EXPORT_SYMBOL(rtnl_nla_parse_ifla); +EXPORT_SYMBOL(rtnl_nla_parse_ifinfomsg); struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]) { @@ -3547,6 +3561,9 @@ replay: if (ifm->ifi_index > 0) { link_specified = true; dev = __dev_get_by_index(net, ifm->ifi_index); + } else if (ifm->ifi_index < 0) { + NL_SET_ERR_MSG(extack, "ifindex can't be negative"); + return -EINVAL; } else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME]) { link_specified = true; dev = rtnl_dev_get(net, tb); diff --git a/net/core/skmsg.c b/net/core/skmsg.c index a29508e1ff35..ef1a2eb6520b 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -1120,13 +1120,19 @@ static void sk_psock_strp_data_ready(struct sock *sk) int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock) { + int ret; + static const struct strp_callbacks cb = { .rcv_msg = sk_psock_strp_read, .read_sock_done = sk_psock_strp_read_done, .parse_msg = sk_psock_strp_parse, }; - return strp_init(&psock->strp, sk, &cb); + ret = strp_init(&psock->strp, sk, &cb); + if (!ret) + sk_psock_set_state(psock, SK_PSOCK_RX_STRP_ENABLED); + + return ret; } void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock) @@ -1154,7 +1160,7 @@ void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock) static void sk_psock_done_strp(struct sk_psock *psock) { /* Parser has been stopped */ - if (psock->progs.stream_parser) + if (sk_psock_test_state(psock, SK_PSOCK_RX_STRP_ENABLED)) strp_done(&psock->strp); } #else diff --git a/net/core/sock.c b/net/core/sock.c index 6d4f28efe29a..c9cffb7acbea 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1778,7 +1778,7 @@ int sk_getsockopt(struct sock *sk, int level, int optname, spin_unlock(&sk->sk_peer_lock); if (!peer_pid) - return -ESRCH; + return -ENODATA; pidfd = pidfd_prepare(peer_pid, 0, &pidfd_file); put_pid(peer_pid); @@ -3159,7 +3159,7 @@ void __sk_mem_reduce_allocated(struct sock *sk, int amount) if (mem_cgroup_sockets_enabled && sk->sk_memcg) mem_cgroup_uncharge_skmem(sk->sk_memcg, amount); - if (sk_under_memory_pressure(sk) && + if (sk_under_global_memory_pressure(sk) && (sk_memory_allocated(sk) < sk_prot_mem_limits(sk, 0))) sk_leave_memory_pressure(sk); } diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 08ab108206bf..8f07fea39d9e 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -146,13 +146,13 @@ static void sock_map_del_link(struct sock *sk, list_for_each_entry_safe(link, tmp, &psock->link, list) { if (link->link_raw == link_raw) { struct bpf_map *map = link->map; - struct bpf_stab *stab = container_of(map, struct bpf_stab, - map); - if (psock->saved_data_ready && stab->progs.stream_parser) + struct sk_psock_progs *progs = sock_map_progs(map); + + if (psock->saved_data_ready && progs->stream_parser) strp_stop = true; - if (psock->saved_data_ready && stab->progs.stream_verdict) + if (psock->saved_data_ready && progs->stream_verdict) verdict_stop = true; - if (psock->saved_data_ready && stab->progs.skb_verdict) + if (psock->saved_data_ready && progs->skb_verdict) verdict_stop = true; list_del(&link->list); sk_psock_free_link(link); diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index fa8079303cb0..a545ad71201c 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -130,7 +130,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) inet->inet_daddr, inet->inet_sport, inet->inet_dport); - inet->inet_id = get_random_u16(); + atomic_set(&inet->inet_id, get_random_u16()); err = dccp_connect(sk); rt = NULL; @@ -432,7 +432,7 @@ struct sock *dccp_v4_request_recv_sock(const struct sock *sk, RCU_INIT_POINTER(newinet->inet_opt, rcu_dereference(ireq->ireq_opt)); newinet->mc_index = inet_iif(skb); newinet->mc_ttl = ip_hdr(skb)->ttl; - newinet->inet_id = get_random_u16(); + atomic_set(&newinet->inet_id, get_random_u16()); if (dst == NULL && (dst = inet_csk_route_child_sock(sk, newsk, req)) == NULL) goto put_and_exit; diff --git a/net/dccp/output.c b/net/dccp/output.c index b8a24734385e..fd2eb148d24d 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -187,7 +187,7 @@ unsigned int dccp_sync_mss(struct sock *sk, u32 pmtu) /* And store cached results */ icsk->icsk_pmtu_cookie = pmtu; - dp->dccps_mss_cache = cur_mps; + WRITE_ONCE(dp->dccps_mss_cache, cur_mps); return cur_mps; } diff --git a/net/dccp/proto.c b/net/dccp/proto.c index f331e5977a84..fcc5c9d64f46 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -315,11 +315,15 @@ EXPORT_SYMBOL_GPL(dccp_disconnect); __poll_t dccp_poll(struct file *file, struct socket *sock, poll_table *wait) { - __poll_t mask; struct sock *sk = sock->sk; + __poll_t mask; + u8 shutdown; + int state; sock_poll_wait(file, sock, wait); - if (sk->sk_state == DCCP_LISTEN) + + state = inet_sk_state_load(sk); + if (state == DCCP_LISTEN) return inet_csk_listen_poll(sk); /* Socket is not locked. We are protected from async events @@ -328,20 +332,21 @@ __poll_t dccp_poll(struct file *file, struct socket *sock, */ mask = 0; - if (sk->sk_err) + if (READ_ONCE(sk->sk_err)) mask = EPOLLERR; + shutdown = READ_ONCE(sk->sk_shutdown); - if (sk->sk_shutdown == SHUTDOWN_MASK || sk->sk_state == DCCP_CLOSED) + if (shutdown == SHUTDOWN_MASK || state == DCCP_CLOSED) mask |= EPOLLHUP; - if (sk->sk_shutdown & RCV_SHUTDOWN) + if (shutdown & RCV_SHUTDOWN) mask |= EPOLLIN | EPOLLRDNORM | EPOLLRDHUP; /* Connected? */ - if ((1 << sk->sk_state) & ~(DCCPF_REQUESTING | DCCPF_RESPOND)) { + if ((1 << state) & ~(DCCPF_REQUESTING | DCCPF_RESPOND)) { if (atomic_read(&sk->sk_rmem_alloc) > 0) mask |= EPOLLIN | EPOLLRDNORM; - if (!(sk->sk_shutdown & SEND_SHUTDOWN)) { + if (!(shutdown & SEND_SHUTDOWN)) { if (sk_stream_is_writeable(sk)) { mask |= EPOLLOUT | EPOLLWRNORM; } else { /* send SIGIO later */ @@ -359,7 +364,6 @@ __poll_t dccp_poll(struct file *file, struct socket *sock, } return mask; } - EXPORT_SYMBOL_GPL(dccp_poll); int dccp_ioctl(struct sock *sk, int cmd, int *karg) @@ -630,7 +634,7 @@ static int do_dccp_getsockopt(struct sock *sk, int level, int optname, return dccp_getsockopt_service(sk, len, (__be32 __user *)optval, optlen); case DCCP_SOCKOPT_GET_CUR_MPS: - val = dp->dccps_mss_cache; + val = READ_ONCE(dp->dccps_mss_cache); break; case DCCP_SOCKOPT_AVAILABLE_CCIDS: return ccid_getsockopt_builtin_ccids(sk, len, optval, optlen); @@ -739,7 +743,7 @@ int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) trace_dccp_probe(sk, len); - if (len > dp->dccps_mss_cache) + if (len > READ_ONCE(dp->dccps_mss_cache)) return -EMSGSIZE; lock_sock(sk); @@ -772,6 +776,12 @@ int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) goto out_discard; } + /* We need to check dccps_mss_cache after socket is locked. */ + if (len > dp->dccps_mss_cache) { + rc = -EMSGSIZE; + goto out_discard; + } + skb_reserve(skb, sk->sk_prot->max_header); rc = memcpy_from_msg(skb_put(skb, len), msg, len); if (rc != 0) diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c index 1f00f874471f..bfed7929a904 100644 --- a/net/devlink/leftover.c +++ b/net/devlink/leftover.c @@ -6704,6 +6704,7 @@ void devlink_notify_unregister(struct devlink *devlink) struct devlink_param_item *param_item; struct devlink_trap_item *trap_item; struct devlink_port *devlink_port; + struct devlink_linecard *linecard; struct devlink_rate *rate_node; struct devlink_region *region; unsigned long port_index; @@ -6732,6 +6733,8 @@ void devlink_notify_unregister(struct devlink *devlink) xa_for_each(&devlink->ports, port_index, devlink_port) devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_DEL); + list_for_each_entry_reverse(linecard, &devlink->linecard_list, list) + devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_DEL); devlink_notify(devlink, DEVLINK_CMD_DEL); } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 9b2ca2fcc5a1..02736b83c303 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -340,7 +340,7 @@ lookup_protocol: else inet->pmtudisc = IP_PMTUDISC_WANT; - inet->inet_id = 0; + atomic_set(&inet->inet_id, 0); sock_init_data(sock, sk); diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c index 4d1af0cd7d99..cb5dbee9e018 100644 --- a/net/ipv4/datagram.c +++ b/net/ipv4/datagram.c @@ -73,7 +73,7 @@ int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len reuseport_has_conns_set(sk); sk->sk_state = TCP_ESTABLISHED; sk_set_txhash(sk); - inet->inet_id = get_random_u16(); + atomic_set(&inet->inet_id, get_random_u16()); sk_dst_set(sk, &rt->dst); err = 0; diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 92c02c886fe7..586b1b3e35b8 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -224,7 +224,7 @@ static int iptunnel_pmtud_build_icmp(struct sk_buff *skb, int mtu) .un.frag.__unused = 0, .un.frag.mtu = htons(mtu), }; - icmph->checksum = ip_compute_csum(icmph, len); + icmph->checksum = csum_fold(skb_checksum(skb, 0, len, 0)); skb_reset_transport_header(skb); niph = skb_push(skb, sizeof(*niph)); diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 53bfd8af6920..d1e7d0ceb7ed 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -287,12 +287,12 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) switch (skb->protocol) { case htons(ETH_P_IP): - xfrm_decode_session(skb, &fl, AF_INET); memset(IPCB(skb), 0, sizeof(*IPCB(skb))); + xfrm_decode_session(skb, &fl, AF_INET); break; case htons(ETH_P_IPV6): - xfrm_decode_session(skb, &fl, AF_INET6); memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); + xfrm_decode_session(skb, &fl, AF_INET6); break; default: goto tx_err; diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index f95142e56da0..be5498f5dd31 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -3221,13 +3221,9 @@ static int rtm_dump_nexthop(struct sk_buff *skb, struct netlink_callback *cb) &rtm_dump_nexthop_cb, &filter); if (err < 0) { if (likely(skb->len)) - goto out; - goto out_err; + err = skb->len; } -out: - err = skb->len; -out_err: cb->seq = net->nexthop.seq; nl_dump_check_consistent(cb, nlmsg_hdr(skb)); return err; @@ -3367,25 +3363,19 @@ static int rtm_dump_nexthop_bucket_nh(struct sk_buff *skb, dd->filter.res_bucket_nh_id != nhge->nh->id) continue; + dd->ctx->bucket_index = bucket_index; err = nh_fill_res_bucket(skb, nh, bucket, bucket_index, RTM_NEWNEXTHOPBUCKET, portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); - if (err < 0) { - if (likely(skb->len)) - goto out; - goto out_err; - } + if (err) + return err; } dd->ctx->done_nh_idx = dd->ctx->nh.idx + 1; - bucket_index = 0; + dd->ctx->bucket_index = 0; -out: - err = skb->len; -out_err: - dd->ctx->bucket_index = bucket_index; - return err; + return 0; } static int rtm_dump_nexthop_bucket_cb(struct sk_buff *skb, @@ -3434,13 +3424,9 @@ static int rtm_dump_nexthop_bucket(struct sk_buff *skb, if (err < 0) { if (likely(skb->len)) - goto out; - goto out_err; + err = skb->len; } -out: - err = skb->len; -out_err: cb->seq = net->nexthop.seq; nl_dump_check_consistent(cb, nlmsg_hdr(skb)); return err; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index a59cc4b83861..2dbdc26da86e 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -312,7 +312,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) inet->inet_daddr)); } - inet->inet_id = get_random_u16(); + atomic_set(&inet->inet_id, get_random_u16()); if (tcp_fastopen_defer_connect(sk, &err)) return err; @@ -1596,7 +1596,7 @@ struct sock *tcp_v4_syn_recv_sock(const struct sock *sk, struct sk_buff *skb, inet_csk(newsk)->icsk_ext_hdr_len = 0; if (inet_opt) inet_csk(newsk)->icsk_ext_hdr_len = inet_opt->opt.optlen; - newinet->inet_id = get_random_u16(); + atomic_set(&newinet->inet_id, get_random_u16()); /* Set ToS of the new socket based upon the value of incoming SYN. * ECT bits are set later in tcp_init_transfer(). diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 470f581eedd4..206418b6d7c4 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -591,7 +591,9 @@ out_reset_timer: tcp_stream_is_thin(tp) && icsk->icsk_retransmits <= TCP_THIN_LINEAR_RETRIES) { icsk->icsk_backoff = 0; - icsk->icsk_rto = min(__tcp_set_rto(tp), TCP_RTO_MAX); + icsk->icsk_rto = clamp(__tcp_set_rto(tp), + tcp_rto_min(sk), + TCP_RTO_MAX); } else if (sk->sk_state != TCP_SYN_SENT || icsk->icsk_backoff > READ_ONCE(net->ipv4.sysctl_tcp_syn_linear_timeouts)) { diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index 658bfed1df8b..08d4b7132d4c 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -152,7 +152,7 @@ config INET6_TUNNEL default n config IPV6_VTI -tristate "Virtual (secure) IPv6: tunneling" + tristate "Virtual (secure) IPv6: tunneling" select IPV6_TUNNEL select NET_IP_TUNNEL select XFRM diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 10b222865d46..73c85d4e0e9c 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -568,12 +568,12 @@ vti6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) vti6_addr_conflict(t, ipv6_hdr(skb))) goto tx_err; - xfrm_decode_session(skb, &fl, AF_INET6); memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); + xfrm_decode_session(skb, &fl, AF_INET6); break; case htons(ETH_P_IP): - xfrm_decode_session(skb, &fl, AF_INET); memset(IPCB(skb), 0, sizeof(*IPCB(skb))); + xfrm_decode_session(skb, &fl, AF_INET); break; default: goto tx_err; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 18634ebd20a4..a42be96ae209 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -197,7 +197,8 @@ static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur, static inline int ndisc_is_useropt(const struct net_device *dev, struct nd_opt_hdr *opt) { - return opt->nd_opt_type == ND_OPT_RDNSS || + return opt->nd_opt_type == ND_OPT_PREFIX_INFO || + opt->nd_opt_type == ND_OPT_RDNSS || opt->nd_opt_type == ND_OPT_DNSSL || opt->nd_opt_type == ND_OPT_CAPTIVE_PORTAL || opt->nd_opt_type == ND_OPT_PREF64 || diff --git a/net/key/af_key.c b/net/key/af_key.c index ede3c6a60353..b4ea4cf9fad4 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -1848,9 +1848,9 @@ static int pfkey_dump(struct sock *sk, struct sk_buff *skb, const struct sadb_ms if (ext_hdrs[SADB_X_EXT_FILTER - 1]) { struct sadb_x_filter *xfilter = ext_hdrs[SADB_X_EXT_FILTER - 1]; - if ((xfilter->sadb_x_filter_splen >= + if ((xfilter->sadb_x_filter_splen > (sizeof(xfrm_address_t) << 3)) || - (xfilter->sadb_x_filter_dplen >= + (xfilter->sadb_x_filter_dplen > (sizeof(xfrm_address_t) << 3))) { mutex_unlock(&pfk->dump_lock); return -EINVAL; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 4f707d2a160f..0af2599c17e8 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1083,7 +1083,8 @@ static inline bool ieee80211_rx_reorder_ready(struct tid_ampdu_rx *tid_agg_rx, struct sk_buff *tail = skb_peek_tail(frames); struct ieee80211_rx_status *status; - if (tid_agg_rx->reorder_buf_filtered & BIT_ULL(index)) + if (tid_agg_rx->reorder_buf_filtered && + tid_agg_rx->reorder_buf_filtered & BIT_ULL(index)) return true; if (!tail) @@ -1124,7 +1125,8 @@ static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata, } no_frame: - tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index); + if (tid_agg_rx->reorder_buf_filtered) + tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index); tid_agg_rx->head_seq_num = ieee80211_sn_inc(tid_agg_rx->head_seq_num); } @@ -4264,6 +4266,7 @@ void ieee80211_mark_rx_ba_filtered_frames(struct ieee80211_sta *pubsta, u8 tid, u16 ssn, u64 filtered, u16 received_mpdus) { + struct ieee80211_local *local; struct sta_info *sta; struct tid_ampdu_rx *tid_agg_rx; struct sk_buff_head frames; @@ -4281,6 +4284,11 @@ void ieee80211_mark_rx_ba_filtered_frames(struct ieee80211_sta *pubsta, u8 tid, sta = container_of(pubsta, struct sta_info, sta); + local = sta->sdata->local; + WARN_ONCE(local->hw.max_rx_aggregation_subframes > 64, + "RX BA marker can't support max_rx_aggregation_subframes %u > 64\n", + local->hw.max_rx_aggregation_subframes); + if (!ieee80211_rx_data_set_sta(&rx, sta, -1)) return; diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 3317d1cca156..d80658547836 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2335,7 +2335,7 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, lock_sock_nested(ssk, SINGLE_DEPTH_NESTING); - if (flags & MPTCP_CF_FASTCLOSE) { + if ((flags & MPTCP_CF_FASTCLOSE) && !__mptcp_check_fallback(msk)) { /* be sure to force the tcp_disconnect() path, * to generate the egress reset */ @@ -3328,7 +3328,7 @@ static void mptcp_release_cb(struct sock *sk) if (__test_and_clear_bit(MPTCP_CLEAN_UNA, &msk->cb_flags)) __mptcp_clean_una_wakeup(sk); - if (unlikely(&msk->cb_flags)) { + if (unlikely(msk->cb_flags)) { /* be sure to set the current sk state before tacking actions * depending on sk_state, that is processing MPTCP_ERROR_REPORT */ diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 37fbe22e2433..ba2a873a4d2e 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -325,7 +325,6 @@ struct mptcp_sock { u32 subflow_id; u32 setsockopt_seq; char ca_name[TCP_CA_NAME_MAX]; - struct mptcp_sock *dl_next; }; #define mptcp_data_lock(sk) spin_lock_bh(&(sk)->sk_lock.slock) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 9ee3b7abbaf6..94ae7dd01c65 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1793,16 +1793,31 @@ static void subflow_state_change(struct sock *sk) void mptcp_subflow_queue_clean(struct sock *listener_sk, struct sock *listener_ssk) { struct request_sock_queue *queue = &inet_csk(listener_ssk)->icsk_accept_queue; - struct mptcp_sock *msk, *next, *head = NULL; - struct request_sock *req; - struct sock *sk; + struct request_sock *req, *head, *tail; + struct mptcp_subflow_context *subflow; + struct sock *sk, *ssk; - /* build a list of all unaccepted mptcp sockets */ + /* Due to lock dependencies no relevant lock can be acquired under rskq_lock. + * Splice the req list, so that accept() can not reach the pending ssk after + * the listener socket is released below. + */ spin_lock_bh(&queue->rskq_lock); - for (req = queue->rskq_accept_head; req; req = req->dl_next) { - struct mptcp_subflow_context *subflow; - struct sock *ssk = req->sk; + head = queue->rskq_accept_head; + tail = queue->rskq_accept_tail; + queue->rskq_accept_head = NULL; + queue->rskq_accept_tail = NULL; + spin_unlock_bh(&queue->rskq_lock); + + if (!head) + return; + /* can't acquire the msk socket lock under the subflow one, + * or will cause ABBA deadlock + */ + release_sock(listener_ssk); + + for (req = head; req; req = req->dl_next) { + ssk = req->sk; if (!sk_is_mptcp(ssk)) continue; @@ -1810,32 +1825,10 @@ void mptcp_subflow_queue_clean(struct sock *listener_sk, struct sock *listener_s if (!subflow || !subflow->conn) continue; - /* skip if already in list */ sk = subflow->conn; - msk = mptcp_sk(sk); - if (msk->dl_next || msk == head) - continue; - sock_hold(sk); - msk->dl_next = head; - head = msk; - } - spin_unlock_bh(&queue->rskq_lock); - if (!head) - return; - - /* can't acquire the msk socket lock under the subflow one, - * or will cause ABBA deadlock - */ - release_sock(listener_ssk); - - for (msk = head; msk; msk = next) { - sk = (struct sock *)msk; lock_sock_nested(sk, SINGLE_DEPTH_NESTING); - next = msk->dl_next; - msk->dl_next = NULL; - __mptcp_unaccepted_force_close(sk); release_sock(sk); @@ -1859,6 +1852,13 @@ void mptcp_subflow_queue_clean(struct sock *listener_sk, struct sock *listener_s /* we are still under the listener msk socket lock */ lock_sock_nested(listener_ssk, SINGLE_DEPTH_NESTING); + + /* restore the listener queue, to let the TCP code clean it up */ + spin_lock_bh(&queue->rskq_lock); + WARN_ON_ONCE(queue->rskq_accept_head); + queue->rskq_accept_head = head; + queue->rskq_accept_tail = tail; + spin_unlock_bh(&queue->rskq_lock); } static int subflow_ulp_init(struct sock *sk) diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 62606fb44d02..4bb0d90eca1c 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -1876,6 +1876,7 @@ static int proc_do_sync_threshold(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos) { + struct netns_ipvs *ipvs = table->extra2; int *valp = table->data; int val[2]; int rc; @@ -1885,6 +1886,7 @@ proc_do_sync_threshold(struct ctl_table *table, int write, .mode = table->mode, }; + mutex_lock(&ipvs->sync_mutex); memcpy(val, valp, sizeof(val)); rc = proc_dointvec(&tmp, write, buffer, lenp, ppos); if (write) { @@ -1894,6 +1896,7 @@ proc_do_sync_threshold(struct ctl_table *table, int write, else memcpy(valp, val, sizeof(val)); } + mutex_unlock(&ipvs->sync_mutex); return rc; } @@ -4321,6 +4324,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct netns_ipvs *ipvs) ipvs->sysctl_sync_threshold[0] = DEFAULT_SYNC_THRESHOLD; ipvs->sysctl_sync_threshold[1] = DEFAULT_SYNC_PERIOD; tbl[idx].data = &ipvs->sysctl_sync_threshold; + tbl[idx].extra2 = ipvs; tbl[idx++].maxlen = sizeof(ipvs->sysctl_sync_threshold); ipvs->sysctl_sync_refresh_period = DEFAULT_SYNC_REFRESH_PERIOD; tbl[idx++].data = &ipvs->sysctl_sync_refresh_period; diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index 91eacc9b0b98..b6bcc8f2f46b 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -49,8 +49,8 @@ static const unsigned int sctp_timeouts[SCTP_CONNTRACK_MAX] = { [SCTP_CONNTRACK_COOKIE_WAIT] = 3 SECS, [SCTP_CONNTRACK_COOKIE_ECHOED] = 3 SECS, [SCTP_CONNTRACK_ESTABLISHED] = 210 SECS, - [SCTP_CONNTRACK_SHUTDOWN_SENT] = 300 SECS / 1000, - [SCTP_CONNTRACK_SHUTDOWN_RECD] = 300 SECS / 1000, + [SCTP_CONNTRACK_SHUTDOWN_SENT] = 3 SECS, + [SCTP_CONNTRACK_SHUTDOWN_RECD] = 3 SECS, [SCTP_CONNTRACK_SHUTDOWN_ACK_SENT] = 3 SECS, [SCTP_CONNTRACK_HEARTBEAT_SENT] = 30 SECS, }; @@ -105,7 +105,7 @@ static const u8 sctp_conntracks[2][11][SCTP_CONNTRACK_MAX] = { { /* ORIGINAL */ /* sNO, sCL, sCW, sCE, sES, sSS, sSR, sSA, sHS */ -/* init */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sCW}, +/* init */ {sCL, sCL, sCW, sCE, sES, sCL, sCL, sSA, sCW}, /* init_ack */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sCL}, /* abort */ {sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL}, /* shutdown */ {sCL, sCL, sCW, sCE, sSS, sSS, sSR, sSA, sCL}, diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index d3c6ecd1f5a6..eb8b1167dced 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -31,7 +31,9 @@ static LIST_HEAD(nf_tables_expressions); static LIST_HEAD(nf_tables_objects); static LIST_HEAD(nf_tables_flowtables); static LIST_HEAD(nf_tables_destroy_list); +static LIST_HEAD(nf_tables_gc_list); static DEFINE_SPINLOCK(nf_tables_destroy_list_lock); +static DEFINE_SPINLOCK(nf_tables_gc_list_lock); enum { NFT_VALIDATE_SKIP = 0, @@ -120,6 +122,9 @@ static void nft_validate_state_update(struct nft_table *table, u8 new_validate_s static void nf_tables_trans_destroy_work(struct work_struct *w); static DECLARE_WORK(trans_destroy_work, nf_tables_trans_destroy_work); +static void nft_trans_gc_work(struct work_struct *work); +static DECLARE_WORK(trans_gc_work, nft_trans_gc_work); + static void nft_ctx_init(struct nft_ctx *ctx, struct net *net, const struct sk_buff *skb, @@ -582,10 +587,6 @@ static int nft_trans_set_add(const struct nft_ctx *ctx, int msg_type, return __nft_trans_set_add(ctx, msg_type, set, NULL); } -static void nft_setelem_data_deactivate(const struct net *net, - const struct nft_set *set, - struct nft_set_elem *elem); - static int nft_mapelem_deactivate(const struct nft_ctx *ctx, struct nft_set *set, const struct nft_set_iter *iter, @@ -1372,7 +1373,7 @@ static int nf_tables_newtable(struct sk_buff *skb, const struct nfnl_info *info, if (table == NULL) goto err_kzalloc; - table->validate_state = NFT_VALIDATE_SKIP; + table->validate_state = nft_net->validate_state; table->name = nla_strdup(attr, GFP_KERNEL_ACCOUNT); if (table->name == NULL) goto err_strdup; @@ -5055,6 +5056,7 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, INIT_LIST_HEAD(&set->bindings); INIT_LIST_HEAD(&set->catchall_list); + refcount_set(&set->refs, 1); set->table = table; write_pnet(&set->net, net); set->ops = ops; @@ -5122,6 +5124,14 @@ static void nft_set_catchall_destroy(const struct nft_ctx *ctx, } } +static void nft_set_put(struct nft_set *set) +{ + if (refcount_dec_and_test(&set->refs)) { + kfree(set->name); + kvfree(set); + } +} + static void nft_set_destroy(const struct nft_ctx *ctx, struct nft_set *set) { int i; @@ -5134,8 +5144,7 @@ static void nft_set_destroy(const struct nft_ctx *ctx, struct nft_set *set) set->ops->destroy(ctx, set); nft_set_catchall_destroy(ctx, set); - kfree(set->name); - kvfree(set); + nft_set_put(set); } static int nf_tables_delset(struct sk_buff *skb, const struct nfnl_info *info, @@ -5602,8 +5611,12 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx, const struct nft_set_iter *iter, struct nft_set_elem *elem) { + const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv); struct nft_set_dump_args *args; + if (nft_set_elem_expired(ext)) + return 0; + args = container_of(iter, struct nft_set_dump_args, iter); return nf_tables_fill_setelem(args->skb, set, elem, args->reset); } @@ -6274,7 +6287,8 @@ struct nft_set_ext *nft_set_catchall_lookup(const struct net *net, list_for_each_entry_rcu(catchall, &set->catchall_list, list) { ext = nft_set_elem_ext(set, catchall->elem); if (nft_set_elem_active(ext, genmask) && - !nft_set_elem_expired(ext)) + !nft_set_elem_expired(ext) && + !nft_set_elem_is_dead(ext)) return ext; } @@ -6282,29 +6296,6 @@ struct nft_set_ext *nft_set_catchall_lookup(const struct net *net, } EXPORT_SYMBOL_GPL(nft_set_catchall_lookup); -void *nft_set_catchall_gc(const struct nft_set *set) -{ - struct nft_set_elem_catchall *catchall, *next; - struct nft_set_ext *ext; - void *elem = NULL; - - list_for_each_entry_safe(catchall, next, &set->catchall_list, list) { - ext = nft_set_elem_ext(set, catchall->elem); - - if (!nft_set_elem_expired(ext) || - nft_set_elem_mark_busy(ext)) - continue; - - elem = catchall->elem; - list_del_rcu(&catchall->list); - kfree_rcu(catchall, rcu); - break; - } - - return elem; -} -EXPORT_SYMBOL_GPL(nft_set_catchall_gc); - static int nft_setelem_catchall_insert(const struct net *net, struct nft_set *set, const struct nft_set_elem *elem, @@ -6366,7 +6357,6 @@ static void nft_setelem_activate(struct net *net, struct nft_set *set, if (nft_setelem_is_catchall(set, elem)) { nft_set_elem_change_active(net, set, ext); - nft_set_elem_clear_busy(ext); } else { set->ops->activate(net, set, elem); } @@ -6381,8 +6371,7 @@ static int nft_setelem_catchall_deactivate(const struct net *net, list_for_each_entry(catchall, &set->catchall_list, list) { ext = nft_set_elem_ext(set, catchall->elem); - if (!nft_is_active(net, ext) || - nft_set_elem_mark_busy(ext)) + if (!nft_is_active(net, ext)) continue; kfree(elem->priv); @@ -6777,7 +6766,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, goto err_elem_free; } - ext->genmask = nft_genmask_cur(ctx->net) | NFT_SET_ELEM_BUSY_MASK; + ext->genmask = nft_genmask_cur(ctx->net); err = nft_setelem_insert(ctx->net, set, &elem, &ext2, flags); if (err) { @@ -6929,9 +6918,9 @@ static void nft_setelem_data_activate(const struct net *net, nft_use_inc_restore(&(*nft_set_ext_obj(ext))->use); } -static void nft_setelem_data_deactivate(const struct net *net, - const struct nft_set *set, - struct nft_set_elem *elem) +void nft_setelem_data_deactivate(const struct net *net, + const struct nft_set *set, + struct nft_set_elem *elem) { const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv); @@ -7095,14 +7084,14 @@ static int nft_set_catchall_flush(const struct nft_ctx *ctx, list_for_each_entry_rcu(catchall, &set->catchall_list, list) { ext = nft_set_elem_ext(set, catchall->elem); - if (!nft_set_elem_active(ext, genmask) || - nft_set_elem_mark_busy(ext)) + if (!nft_set_elem_active(ext, genmask)) continue; elem.priv = catchall->elem; ret = __nft_set_catchall_flush(ctx, set, &elem); if (ret < 0) break; + nft_set_elem_change_active(ctx->net, set, ext); } return ret; @@ -7170,29 +7159,6 @@ static int nf_tables_delsetelem(struct sk_buff *skb, return err; } -void nft_set_gc_batch_release(struct rcu_head *rcu) -{ - struct nft_set_gc_batch *gcb; - unsigned int i; - - gcb = container_of(rcu, struct nft_set_gc_batch, head.rcu); - for (i = 0; i < gcb->head.cnt; i++) - nft_set_elem_destroy(gcb->head.set, gcb->elems[i], true); - kfree(gcb); -} - -struct nft_set_gc_batch *nft_set_gc_batch_alloc(const struct nft_set *set, - gfp_t gfp) -{ - struct nft_set_gc_batch *gcb; - - gcb = kzalloc(sizeof(*gcb), gfp); - if (gcb == NULL) - return gcb; - gcb->head.set = set; - return gcb; -} - /* * Stateful objects */ @@ -9085,9 +9051,8 @@ static int nf_tables_validate(struct net *net) return -EAGAIN; nft_validate_state_update(table, NFT_VALIDATE_SKIP); + break; } - - break; } return 0; @@ -9414,6 +9379,212 @@ void nft_chain_del(struct nft_chain *chain) list_del_rcu(&chain->list); } +static void nft_trans_gc_setelem_remove(struct nft_ctx *ctx, + struct nft_trans_gc *trans) +{ + void **priv = trans->priv; + unsigned int i; + + for (i = 0; i < trans->count; i++) { + struct nft_set_elem elem = { + .priv = priv[i], + }; + + nft_setelem_data_deactivate(ctx->net, trans->set, &elem); + nft_setelem_remove(ctx->net, trans->set, &elem); + } +} + +void nft_trans_gc_destroy(struct nft_trans_gc *trans) +{ + nft_set_put(trans->set); + put_net(trans->net); + kfree(trans); +} + +static void nft_trans_gc_trans_free(struct rcu_head *rcu) +{ + struct nft_set_elem elem = {}; + struct nft_trans_gc *trans; + struct nft_ctx ctx = {}; + unsigned int i; + + trans = container_of(rcu, struct nft_trans_gc, rcu); + ctx.net = read_pnet(&trans->set->net); + + for (i = 0; i < trans->count; i++) { + elem.priv = trans->priv[i]; + if (!nft_setelem_is_catchall(trans->set, &elem)) + atomic_dec(&trans->set->nelems); + + nf_tables_set_elem_destroy(&ctx, trans->set, elem.priv); + } + + nft_trans_gc_destroy(trans); +} + +static bool nft_trans_gc_work_done(struct nft_trans_gc *trans) +{ + struct nftables_pernet *nft_net; + struct nft_ctx ctx = {}; + + nft_net = nft_pernet(trans->net); + + mutex_lock(&nft_net->commit_mutex); + + /* Check for race with transaction, otherwise this batch refers to + * stale objects that might not be there anymore. Skip transaction if + * set has been destroyed from control plane transaction in case gc + * worker loses race. + */ + if (READ_ONCE(nft_net->gc_seq) != trans->seq || trans->set->dead) { + mutex_unlock(&nft_net->commit_mutex); + return false; + } + + ctx.net = trans->net; + ctx.table = trans->set->table; + + nft_trans_gc_setelem_remove(&ctx, trans); + mutex_unlock(&nft_net->commit_mutex); + + return true; +} + +static void nft_trans_gc_work(struct work_struct *work) +{ + struct nft_trans_gc *trans, *next; + LIST_HEAD(trans_gc_list); + + spin_lock(&nf_tables_gc_list_lock); + list_splice_init(&nf_tables_gc_list, &trans_gc_list); + spin_unlock(&nf_tables_gc_list_lock); + + list_for_each_entry_safe(trans, next, &trans_gc_list, list) { + list_del(&trans->list); + if (!nft_trans_gc_work_done(trans)) { + nft_trans_gc_destroy(trans); + continue; + } + call_rcu(&trans->rcu, nft_trans_gc_trans_free); + } +} + +struct nft_trans_gc *nft_trans_gc_alloc(struct nft_set *set, + unsigned int gc_seq, gfp_t gfp) +{ + struct net *net = read_pnet(&set->net); + struct nft_trans_gc *trans; + + trans = kzalloc(sizeof(*trans), gfp); + if (!trans) + return NULL; + + trans->net = maybe_get_net(net); + if (!trans->net) { + kfree(trans); + return NULL; + } + + refcount_inc(&set->refs); + trans->set = set; + trans->seq = gc_seq; + + return trans; +} + +void nft_trans_gc_elem_add(struct nft_trans_gc *trans, void *priv) +{ + trans->priv[trans->count++] = priv; +} + +static void nft_trans_gc_queue_work(struct nft_trans_gc *trans) +{ + spin_lock(&nf_tables_gc_list_lock); + list_add_tail(&trans->list, &nf_tables_gc_list); + spin_unlock(&nf_tables_gc_list_lock); + + schedule_work(&trans_gc_work); +} + +static int nft_trans_gc_space(struct nft_trans_gc *trans) +{ + return NFT_TRANS_GC_BATCHCOUNT - trans->count; +} + +struct nft_trans_gc *nft_trans_gc_queue_async(struct nft_trans_gc *gc, + unsigned int gc_seq, gfp_t gfp) +{ + if (nft_trans_gc_space(gc)) + return gc; + + nft_trans_gc_queue_work(gc); + + return nft_trans_gc_alloc(gc->set, gc_seq, gfp); +} + +void nft_trans_gc_queue_async_done(struct nft_trans_gc *trans) +{ + if (trans->count == 0) { + nft_trans_gc_destroy(trans); + return; + } + + nft_trans_gc_queue_work(trans); +} + +struct nft_trans_gc *nft_trans_gc_queue_sync(struct nft_trans_gc *gc, gfp_t gfp) +{ + if (WARN_ON_ONCE(!lockdep_commit_lock_is_held(gc->net))) + return NULL; + + if (nft_trans_gc_space(gc)) + return gc; + + call_rcu(&gc->rcu, nft_trans_gc_trans_free); + + return nft_trans_gc_alloc(gc->set, 0, gfp); +} + +void nft_trans_gc_queue_sync_done(struct nft_trans_gc *trans) +{ + WARN_ON_ONCE(!lockdep_commit_lock_is_held(trans->net)); + + if (trans->count == 0) { + nft_trans_gc_destroy(trans); + return; + } + + call_rcu(&trans->rcu, nft_trans_gc_trans_free); +} + +struct nft_trans_gc *nft_trans_gc_catchall(struct nft_trans_gc *gc, + unsigned int gc_seq) +{ + struct nft_set_elem_catchall *catchall; + const struct nft_set *set = gc->set; + struct nft_set_ext *ext; + + list_for_each_entry_rcu(catchall, &set->catchall_list, list) { + ext = nft_set_elem_ext(set, catchall->elem); + + if (!nft_set_elem_expired(ext)) + continue; + if (nft_set_elem_is_dead(ext)) + goto dead_elem; + + nft_set_elem_dead(ext); +dead_elem: + gc = nft_trans_gc_queue_async(gc, gc_seq, GFP_ATOMIC); + if (!gc) + return NULL; + + nft_trans_gc_elem_add(gc, catchall->elem); + } + + return gc; +} + static void nf_tables_module_autoload_cleanup(struct net *net) { struct nftables_pernet *nft_net = nft_pernet(net); @@ -9572,15 +9743,31 @@ static void nft_set_commit_update(struct list_head *set_update_list) } } +static unsigned int nft_gc_seq_begin(struct nftables_pernet *nft_net) +{ + unsigned int gc_seq; + + /* Bump gc counter, it becomes odd, this is the busy mark. */ + gc_seq = READ_ONCE(nft_net->gc_seq); + WRITE_ONCE(nft_net->gc_seq, ++gc_seq); + + return gc_seq; +} + +static void nft_gc_seq_end(struct nftables_pernet *nft_net, unsigned int gc_seq) +{ + WRITE_ONCE(nft_net->gc_seq, ++gc_seq); +} + static int nf_tables_commit(struct net *net, struct sk_buff *skb) { struct nftables_pernet *nft_net = nft_pernet(net); struct nft_trans *trans, *next; + unsigned int base_seq, gc_seq; LIST_HEAD(set_update_list); struct nft_trans_elem *te; struct nft_chain *chain; struct nft_table *table; - unsigned int base_seq; LIST_HEAD(adl); int err; @@ -9611,8 +9798,10 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) } /* 0. Validate ruleset, otherwise roll back for error reporting. */ - if (nf_tables_validate(net) < 0) + if (nf_tables_validate(net) < 0) { + nft_net->validate_state = NFT_VALIDATE_DO; return -EAGAIN; + } err = nft_flow_rule_offload_commit(net); if (err < 0) @@ -9657,6 +9846,8 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) WRITE_ONCE(nft_net->base_seq, base_seq); + gc_seq = nft_gc_seq_begin(nft_net); + /* step 3. Start new generation, rules_gen_X now in use. */ net->nft.gencursor = nft_gencursor_next(net); @@ -9764,6 +9955,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) break; case NFT_MSG_DELSET: case NFT_MSG_DESTROYSET: + nft_trans_set(trans)->dead = 1; list_del_rcu(&nft_trans_set(trans)->list); nf_tables_set_notify(&trans->ctx, nft_trans_set(trans), trans->msg_type, GFP_KERNEL); @@ -9866,6 +10058,9 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) nft_commit_notify(net, NETLINK_CB(skb).portid); nf_tables_gen_notify(net, skb, NFT_MSG_NEWGEN); nf_tables_commit_audit_log(&adl, nft_net->base_seq); + + nft_gc_seq_end(nft_net, gc_seq); + nft_net->validate_state = NFT_VALIDATE_SKIP; nf_tables_commit_release(net); return 0; @@ -10142,8 +10337,12 @@ static int nf_tables_abort(struct net *net, struct sk_buff *skb, enum nfnl_abort_action action) { struct nftables_pernet *nft_net = nft_pernet(net); - int ret = __nf_tables_abort(net, action); + unsigned int gc_seq; + int ret; + gc_seq = nft_gc_seq_begin(nft_net); + ret = __nf_tables_abort(net, action); + nft_gc_seq_end(nft_net, gc_seq); mutex_unlock(&nft_net->commit_mutex); return ret; @@ -10866,6 +11065,7 @@ static int nft_rcv_nl_event(struct notifier_block *this, unsigned long event, struct net *net = n->net; unsigned int deleted; bool restart = false; + unsigned int gc_seq; if (event != NETLINK_URELEASE || n->protocol != NETLINK_NETFILTER) return NOTIFY_DONE; @@ -10873,8 +11073,11 @@ static int nft_rcv_nl_event(struct notifier_block *this, unsigned long event, nft_net = nft_pernet(net); deleted = 0; mutex_lock(&nft_net->commit_mutex); + + gc_seq = nft_gc_seq_begin(nft_net); + if (!list_empty(&nf_tables_destroy_list)) - rcu_barrier(); + nf_tables_trans_destroy_flush_work(); again: list_for_each_entry(table, &nft_net->tables, list) { if (nft_table_has_owner(table) && @@ -10895,6 +11098,8 @@ again: if (restart) goto again; } + nft_gc_seq_end(nft_net, gc_seq); + mutex_unlock(&nft_net->commit_mutex); return NOTIFY_DONE; @@ -10915,6 +11120,8 @@ static int __net_init nf_tables_init_net(struct net *net) INIT_LIST_HEAD(&nft_net->notify_list); mutex_init(&nft_net->commit_mutex); nft_net->base_seq = 1; + nft_net->gc_seq = 0; + nft_net->validate_state = NFT_VALIDATE_SKIP; return 0; } @@ -10931,22 +11138,36 @@ static void __net_exit nf_tables_pre_exit_net(struct net *net) static void __net_exit nf_tables_exit_net(struct net *net) { struct nftables_pernet *nft_net = nft_pernet(net); + unsigned int gc_seq; mutex_lock(&nft_net->commit_mutex); + + gc_seq = nft_gc_seq_begin(nft_net); + if (!list_empty(&nft_net->commit_list) || !list_empty(&nft_net->module_list)) __nf_tables_abort(net, NFNL_ABORT_NONE); + __nft_release_tables(net); + + nft_gc_seq_end(nft_net, gc_seq); + mutex_unlock(&nft_net->commit_mutex); WARN_ON_ONCE(!list_empty(&nft_net->tables)); WARN_ON_ONCE(!list_empty(&nft_net->module_list)); WARN_ON_ONCE(!list_empty(&nft_net->notify_list)); } +static void nf_tables_exit_batch(struct list_head *net_exit_list) +{ + flush_work(&trans_gc_work); +} + static struct pernet_operations nf_tables_net_ops = { .init = nf_tables_init_net, .pre_exit = nf_tables_pre_exit_net, .exit = nf_tables_exit_net, + .exit_batch = nf_tables_exit_batch, .id = &nf_tables_net_id, .size = sizeof(struct nftables_pernet), }; @@ -11018,6 +11239,7 @@ static void __exit nf_tables_module_exit(void) nft_chain_filter_fini(); nft_chain_route_fini(); unregister_pernet_subsys(&nf_tables_net_ops); + cancel_work_sync(&trans_gc_work); cancel_work_sync(&trans_destroy_work); rcu_barrier(); rhltable_destroy(&nft_objname_ht); diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c index 4fb34d76dbea..5c5cc01c73c5 100644 --- a/net/netfilter/nft_dynset.c +++ b/net/netfilter/nft_dynset.c @@ -191,6 +191,9 @@ static int nft_dynset_init(const struct nft_ctx *ctx, if (IS_ERR(set)) return PTR_ERR(set); + if (set->flags & NFT_SET_OBJECT) + return -EOPNOTSUPP; + if (set->ops->update == NULL) return -EOPNOTSUPP; diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index 0b73cb0e752f..524763659f25 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -59,6 +59,8 @@ static inline int nft_rhash_cmp(struct rhashtable_compare_arg *arg, if (memcmp(nft_set_ext_key(&he->ext), x->key, x->set->klen)) return 1; + if (nft_set_elem_is_dead(&he->ext)) + return 1; if (nft_set_elem_expired(&he->ext)) return 1; if (!nft_set_elem_active(&he->ext, x->genmask)) @@ -188,7 +190,6 @@ static void nft_rhash_activate(const struct net *net, const struct nft_set *set, struct nft_rhash_elem *he = elem->priv; nft_set_elem_change_active(net, set, &he->ext); - nft_set_elem_clear_busy(&he->ext); } static bool nft_rhash_flush(const struct net *net, @@ -196,12 +197,9 @@ static bool nft_rhash_flush(const struct net *net, { struct nft_rhash_elem *he = priv; - if (!nft_set_elem_mark_busy(&he->ext) || - !nft_is_active(net, &he->ext)) { - nft_set_elem_change_active(net, set, &he->ext); - return true; - } - return false; + nft_set_elem_change_active(net, set, &he->ext); + + return true; } static void *nft_rhash_deactivate(const struct net *net, @@ -218,9 +216,8 @@ static void *nft_rhash_deactivate(const struct net *net, rcu_read_lock(); he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); - if (he != NULL && - !nft_rhash_flush(net, set, he)) - he = NULL; + if (he) + nft_set_elem_change_active(net, set, &he->ext); rcu_read_unlock(); @@ -252,7 +249,9 @@ static bool nft_rhash_delete(const struct nft_set *set, if (he == NULL) return false; - return rhashtable_remove_fast(&priv->ht, &he->node, nft_rhash_params) == 0; + nft_set_elem_dead(&he->ext); + + return true; } static void nft_rhash_walk(const struct nft_ctx *ctx, struct nft_set *set, @@ -278,8 +277,6 @@ static void nft_rhash_walk(const struct nft_ctx *ctx, struct nft_set *set, if (iter->count < iter->skip) goto cont; - if (nft_set_elem_expired(&he->ext)) - goto cont; if (!nft_set_elem_active(&he->ext, iter->genmask)) goto cont; @@ -314,25 +311,51 @@ static bool nft_rhash_expr_needs_gc_run(const struct nft_set *set, static void nft_rhash_gc(struct work_struct *work) { + struct nftables_pernet *nft_net; struct nft_set *set; struct nft_rhash_elem *he; struct nft_rhash *priv; - struct nft_set_gc_batch *gcb = NULL; struct rhashtable_iter hti; + struct nft_trans_gc *gc; + struct net *net; + u32 gc_seq; priv = container_of(work, struct nft_rhash, gc_work.work); set = nft_set_container_of(priv); + net = read_pnet(&set->net); + nft_net = nft_pernet(net); + gc_seq = READ_ONCE(nft_net->gc_seq); + + if (nft_set_gc_is_pending(set)) + goto done; + + gc = nft_trans_gc_alloc(set, gc_seq, GFP_KERNEL); + if (!gc) + goto done; rhashtable_walk_enter(&priv->ht, &hti); rhashtable_walk_start(&hti); while ((he = rhashtable_walk_next(&hti))) { if (IS_ERR(he)) { - if (PTR_ERR(he) != -EAGAIN) - break; + if (PTR_ERR(he) != -EAGAIN) { + nft_trans_gc_destroy(gc); + gc = NULL; + goto try_later; + } continue; } + /* Ruleset has been updated, try later. */ + if (READ_ONCE(nft_net->gc_seq) != gc_seq) { + nft_trans_gc_destroy(gc); + gc = NULL; + goto try_later; + } + + if (nft_set_elem_is_dead(&he->ext)) + goto dead_elem; + if (nft_set_ext_exists(&he->ext, NFT_SET_EXT_EXPRESSIONS) && nft_rhash_expr_needs_gc_run(set, &he->ext)) goto needs_gc_run; @@ -340,26 +363,26 @@ static void nft_rhash_gc(struct work_struct *work) if (!nft_set_elem_expired(&he->ext)) continue; needs_gc_run: - if (nft_set_elem_mark_busy(&he->ext)) - continue; + nft_set_elem_dead(&he->ext); +dead_elem: + gc = nft_trans_gc_queue_async(gc, gc_seq, GFP_ATOMIC); + if (!gc) + goto try_later; - gcb = nft_set_gc_batch_check(set, gcb, GFP_ATOMIC); - if (gcb == NULL) - break; - rhashtable_remove_fast(&priv->ht, &he->node, nft_rhash_params); - atomic_dec(&set->nelems); - nft_set_gc_batch_add(gcb, he); + nft_trans_gc_elem_add(gc, he); } + + gc = nft_trans_gc_catchall(gc, gc_seq); + +try_later: + /* catchall list iteration requires rcu read side lock. */ rhashtable_walk_stop(&hti); rhashtable_walk_exit(&hti); - he = nft_set_catchall_gc(set); - if (he) { - gcb = nft_set_gc_batch_check(set, gcb, GFP_ATOMIC); - if (gcb) - nft_set_gc_batch_add(gcb, he); - } - nft_set_gc_batch_complete(gcb); + if (gc) + nft_trans_gc_queue_async_done(gc); + +done: queue_delayed_work(system_power_efficient_wq, &priv->gc_work, nft_set_gc_interval(set)); } @@ -394,7 +417,7 @@ static int nft_rhash_init(const struct nft_set *set, return err; INIT_DEFERRABLE_WORK(&priv->gc_work, nft_rhash_gc); - if (set->flags & NFT_SET_TIMEOUT) + if (set->flags & (NFT_SET_TIMEOUT | NFT_SET_EVAL)) nft_rhash_gc_init(set); return 0; @@ -422,7 +445,6 @@ static void nft_rhash_destroy(const struct nft_ctx *ctx, }; cancel_delayed_work_sync(&priv->gc_work); - rcu_barrier(); rhashtable_free_and_destroy(&priv->ht, nft_rhash_elem_destroy, (void *)&rhash_ctx); } diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 49915a2a58eb..6af9c9ed4b5c 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -566,8 +566,9 @@ next_match: goto out; if (last) { - if (nft_set_elem_expired(&f->mt[b].e->ext) || - (genmask && + if (nft_set_elem_expired(&f->mt[b].e->ext)) + goto next_match; + if ((genmask && !nft_set_elem_active(&f->mt[b].e->ext, genmask))) goto next_match; @@ -602,7 +603,7 @@ static void *nft_pipapo_get(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem, unsigned int flags) { return pipapo_get(net, set, (const u8 *)elem->key.val.data, - nft_genmask_cur(net)); + nft_genmask_cur(net)); } /** @@ -901,12 +902,14 @@ static void pipapo_lt_bits_adjust(struct nft_pipapo_field *f) static int pipapo_insert(struct nft_pipapo_field *f, const uint8_t *k, int mask_bits) { - int rule = f->rules++, group, ret, bit_offset = 0; + int rule = f->rules, group, ret, bit_offset = 0; - ret = pipapo_resize(f, f->rules - 1, f->rules); + ret = pipapo_resize(f, f->rules, f->rules + 1); if (ret) return ret; + f->rules++; + for (group = 0; group < f->groups; group++) { int i, v; u8 mask; @@ -1051,7 +1054,9 @@ static int pipapo_expand(struct nft_pipapo_field *f, step++; if (step >= len) { if (!masks) { - pipapo_insert(f, base, 0); + err = pipapo_insert(f, base, 0); + if (err < 0) + return err; masks = 1; } goto out; @@ -1234,6 +1239,9 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, else ret = pipapo_expand(f, start, end, f->groups * f->bb); + if (ret < 0) + return ret; + if (f->bsize > bsize_max) bsize_max = f->bsize; @@ -1528,16 +1536,34 @@ static void pipapo_drop(struct nft_pipapo_match *m, } } +static void nft_pipapo_gc_deactivate(struct net *net, struct nft_set *set, + struct nft_pipapo_elem *e) + +{ + struct nft_set_elem elem = { + .priv = e, + }; + + nft_setelem_data_deactivate(net, set, &elem); +} + /** * pipapo_gc() - Drop expired entries from set, destroy start and end elements - * @set: nftables API set representation + * @_set: nftables API set representation * @m: Matching data */ -static void pipapo_gc(const struct nft_set *set, struct nft_pipapo_match *m) +static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m) { + struct nft_set *set = (struct nft_set *) _set; struct nft_pipapo *priv = nft_set_priv(set); + struct net *net = read_pnet(&set->net); int rules_f0, first_rule = 0; struct nft_pipapo_elem *e; + struct nft_trans_gc *gc; + + gc = nft_trans_gc_alloc(set, 0, GFP_KERNEL); + if (!gc) + return; while ((rules_f0 = pipapo_rules_same_key(m->f, first_rule))) { union nft_pipapo_map_bucket rulemap[NFT_PIPAPO_MAX_FIELDS]; @@ -1561,13 +1587,20 @@ static void pipapo_gc(const struct nft_set *set, struct nft_pipapo_match *m) f--; i--; e = f->mt[rulemap[i].to].e; - if (nft_set_elem_expired(&e->ext) && - !nft_set_elem_mark_busy(&e->ext)) { + + /* synchronous gc never fails, there is no need to set on + * NFT_SET_ELEM_DEAD_BIT. + */ + if (nft_set_elem_expired(&e->ext)) { priv->dirty = true; - pipapo_drop(m, rulemap); - rcu_barrier(); - nft_set_elem_destroy(set, e, true); + gc = nft_trans_gc_queue_sync(gc, GFP_ATOMIC); + if (!gc) + break; + + nft_pipapo_gc_deactivate(net, set, e); + pipapo_drop(m, rulemap); + nft_trans_gc_elem_add(gc, e); /* And check again current first rule, which is now the * first we haven't checked. @@ -1577,11 +1610,11 @@ static void pipapo_gc(const struct nft_set *set, struct nft_pipapo_match *m) } } - e = nft_set_catchall_gc(set); - if (e) - nft_set_elem_destroy(set, e, true); - - priv->last_gc = jiffies; + gc = nft_trans_gc_catchall(gc, 0); + if (gc) { + nft_trans_gc_queue_sync_done(gc); + priv->last_gc = jiffies; + } } /** @@ -1664,6 +1697,17 @@ static void nft_pipapo_commit(const struct nft_set *set) priv->clone = new_clone; } +static bool nft_pipapo_transaction_mutex_held(const struct nft_set *set) +{ +#ifdef CONFIG_PROVE_LOCKING + const struct net *net = read_pnet(&set->net); + + return lockdep_is_held(&nft_pernet(net)->commit_mutex); +#else + return true; +#endif +} + static void nft_pipapo_abort(const struct nft_set *set) { struct nft_pipapo *priv = nft_set_priv(set); @@ -1672,7 +1716,7 @@ static void nft_pipapo_abort(const struct nft_set *set) if (!priv->dirty) return; - m = rcu_dereference(priv->match); + m = rcu_dereference_protected(priv->match, nft_pipapo_transaction_mutex_held(set)); new_clone = pipapo_clone(m); if (IS_ERR(new_clone)) @@ -1699,14 +1743,9 @@ static void nft_pipapo_activate(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem) { - struct nft_pipapo_elem *e; - - e = pipapo_get(net, set, (const u8 *)elem->key.val.data, 0); - if (IS_ERR(e)) - return; + struct nft_pipapo_elem *e = elem->priv; nft_set_elem_change_active(net, set, &e->ext); - nft_set_elem_clear_busy(&e->ext); } /** @@ -1918,10 +1957,6 @@ static void nft_pipapo_remove(const struct net *net, const struct nft_set *set, data = (const u8 *)nft_set_ext_key(&e->ext); - e = pipapo_get(net, set, data, 0); - if (IS_ERR(e)) - return; - while ((rules_f0 = pipapo_rules_same_key(m->f, first_rule))) { union nft_pipapo_map_bucket rulemap[NFT_PIPAPO_MAX_FIELDS]; const u8 *match_start, *match_end; @@ -2005,8 +2040,6 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set, goto cont; e = f->mt[r].e; - if (nft_set_elem_expired(&e->ext)) - goto cont; elem.priv = e; diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 8d73fffd2d09..c6435e709231 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -46,6 +46,12 @@ static int nft_rbtree_cmp(const struct nft_set *set, set->klen); } +static bool nft_rbtree_elem_expired(const struct nft_rbtree_elem *rbe) +{ + return nft_set_elem_expired(&rbe->ext) || + nft_set_elem_is_dead(&rbe->ext); +} + static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set, const u32 *key, const struct nft_set_ext **ext, unsigned int seq) @@ -80,7 +86,7 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set continue; } - if (nft_set_elem_expired(&rbe->ext)) + if (nft_rbtree_elem_expired(rbe)) return false; if (nft_rbtree_interval_end(rbe)) { @@ -98,7 +104,7 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set if (set->flags & NFT_SET_INTERVAL && interval != NULL && nft_set_elem_active(&interval->ext, genmask) && - !nft_set_elem_expired(&interval->ext) && + !nft_rbtree_elem_expired(interval) && nft_rbtree_interval_start(interval)) { *ext = &interval->ext; return true; @@ -215,6 +221,18 @@ static void *nft_rbtree_get(const struct net *net, const struct nft_set *set, return rbe; } +static void nft_rbtree_gc_remove(struct net *net, struct nft_set *set, + struct nft_rbtree *priv, + struct nft_rbtree_elem *rbe) +{ + struct nft_set_elem elem = { + .priv = rbe, + }; + + nft_setelem_data_deactivate(net, set, &elem); + rb_erase(&rbe->node, &priv->root); +} + static int nft_rbtree_gc_elem(const struct nft_set *__set, struct nft_rbtree *priv, struct nft_rbtree_elem *rbe, @@ -222,11 +240,12 @@ static int nft_rbtree_gc_elem(const struct nft_set *__set, { struct nft_set *set = (struct nft_set *)__set; struct rb_node *prev = rb_prev(&rbe->node); + struct net *net = read_pnet(&set->net); struct nft_rbtree_elem *rbe_prev; - struct nft_set_gc_batch *gcb; + struct nft_trans_gc *gc; - gcb = nft_set_gc_batch_check(set, NULL, GFP_ATOMIC); - if (!gcb) + gc = nft_trans_gc_alloc(set, 0, GFP_ATOMIC); + if (!gc) return -ENOMEM; /* search for end interval coming before this element. @@ -244,17 +263,28 @@ static int nft_rbtree_gc_elem(const struct nft_set *__set, if (prev) { rbe_prev = rb_entry(prev, struct nft_rbtree_elem, node); + nft_rbtree_gc_remove(net, set, priv, rbe_prev); - rb_erase(&rbe_prev->node, &priv->root); - atomic_dec(&set->nelems); - nft_set_gc_batch_add(gcb, rbe_prev); + /* There is always room in this trans gc for this element, + * memory allocation never actually happens, hence, the warning + * splat in such case. No need to set NFT_SET_ELEM_DEAD_BIT, + * this is synchronous gc which never fails. + */ + gc = nft_trans_gc_queue_sync(gc, GFP_ATOMIC); + if (WARN_ON_ONCE(!gc)) + return -ENOMEM; + + nft_trans_gc_elem_add(gc, rbe_prev); } - rb_erase(&rbe->node, &priv->root); - atomic_dec(&set->nelems); + nft_rbtree_gc_remove(net, set, priv, rbe); + gc = nft_trans_gc_queue_sync(gc, GFP_ATOMIC); + if (WARN_ON_ONCE(!gc)) + return -ENOMEM; + + nft_trans_gc_elem_add(gc, rbe); - nft_set_gc_batch_add(gcb, rbe); - nft_set_gc_batch_complete(gcb); + nft_trans_gc_queue_sync_done(gc); return 0; } @@ -482,7 +512,6 @@ static void nft_rbtree_activate(const struct net *net, struct nft_rbtree_elem *rbe = elem->priv; nft_set_elem_change_active(net, set, &rbe->ext); - nft_set_elem_clear_busy(&rbe->ext); } static bool nft_rbtree_flush(const struct net *net, @@ -490,12 +519,9 @@ static bool nft_rbtree_flush(const struct net *net, { struct nft_rbtree_elem *rbe = priv; - if (!nft_set_elem_mark_busy(&rbe->ext) || - !nft_is_active(net, &rbe->ext)) { - nft_set_elem_change_active(net, set, &rbe->ext); - return true; - } - return false; + nft_set_elem_change_active(net, set, &rbe->ext); + + return true; } static void *nft_rbtree_deactivate(const struct net *net, @@ -552,8 +578,6 @@ static void nft_rbtree_walk(const struct nft_ctx *ctx, if (iter->count < iter->skip) goto cont; - if (nft_set_elem_expired(&rbe->ext)) - goto cont; if (!nft_set_elem_active(&rbe->ext, iter->genmask)) goto cont; @@ -572,26 +596,43 @@ cont: static void nft_rbtree_gc(struct work_struct *work) { - struct nft_rbtree_elem *rbe, *rbe_end = NULL, *rbe_prev = NULL; - struct nft_set_gc_batch *gcb = NULL; + struct nft_rbtree_elem *rbe, *rbe_end = NULL; + struct nftables_pernet *nft_net; struct nft_rbtree *priv; + struct nft_trans_gc *gc; struct rb_node *node; struct nft_set *set; + unsigned int gc_seq; struct net *net; - u8 genmask; priv = container_of(work, struct nft_rbtree, gc_work.work); set = nft_set_container_of(priv); net = read_pnet(&set->net); - genmask = nft_genmask_cur(net); + nft_net = nft_pernet(net); + gc_seq = READ_ONCE(nft_net->gc_seq); + + if (nft_set_gc_is_pending(set)) + goto done; + + gc = nft_trans_gc_alloc(set, gc_seq, GFP_KERNEL); + if (!gc) + goto done; write_lock_bh(&priv->lock); write_seqcount_begin(&priv->count); for (node = rb_first(&priv->root); node != NULL; node = rb_next(node)) { + + /* Ruleset has been updated, try later. */ + if (READ_ONCE(nft_net->gc_seq) != gc_seq) { + nft_trans_gc_destroy(gc); + gc = NULL; + goto try_later; + } + rbe = rb_entry(node, struct nft_rbtree_elem, node); - if (!nft_set_elem_active(&rbe->ext, genmask)) - continue; + if (nft_set_elem_is_dead(&rbe->ext)) + goto dead_elem; /* elements are reversed in the rbtree for historical reasons, * from highest to lowest value, that is why end element is @@ -604,46 +645,36 @@ static void nft_rbtree_gc(struct work_struct *work) if (!nft_set_elem_expired(&rbe->ext)) continue; - if (nft_set_elem_mark_busy(&rbe->ext)) { - rbe_end = NULL; + nft_set_elem_dead(&rbe->ext); + + if (!rbe_end) continue; - } - if (rbe_prev) { - rb_erase(&rbe_prev->node, &priv->root); - rbe_prev = NULL; - } - gcb = nft_set_gc_batch_check(set, gcb, GFP_ATOMIC); - if (!gcb) - break; + nft_set_elem_dead(&rbe_end->ext); - atomic_dec(&set->nelems); - nft_set_gc_batch_add(gcb, rbe); - rbe_prev = rbe; + gc = nft_trans_gc_queue_async(gc, gc_seq, GFP_ATOMIC); + if (!gc) + goto try_later; - if (rbe_end) { - atomic_dec(&set->nelems); - nft_set_gc_batch_add(gcb, rbe_end); - rb_erase(&rbe_end->node, &priv->root); - rbe_end = NULL; - } - node = rb_next(node); - if (!node) - break; + nft_trans_gc_elem_add(gc, rbe_end); + rbe_end = NULL; +dead_elem: + gc = nft_trans_gc_queue_async(gc, gc_seq, GFP_ATOMIC); + if (!gc) + goto try_later; + + nft_trans_gc_elem_add(gc, rbe); } - if (rbe_prev) - rb_erase(&rbe_prev->node, &priv->root); + + gc = nft_trans_gc_catchall(gc, gc_seq); + +try_later: write_seqcount_end(&priv->count); write_unlock_bh(&priv->lock); - rbe = nft_set_catchall_gc(set); - if (rbe) { - gcb = nft_set_gc_batch_check(set, gcb, GFP_ATOMIC); - if (gcb) - nft_set_gc_batch_add(gcb, rbe); - } - nft_set_gc_batch_complete(gcb); - + if (gc) + nft_trans_gc_queue_async_done(gc); +done: queue_delayed_work(system_power_efficient_wq, &priv->gc_work, nft_set_gc_interval(set)); } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index a6d2a0b1aa21..3d7a91e64c88 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1829,7 +1829,7 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info) parms.port_no = OVSP_LOCAL; parms.upcall_portids = a[OVS_DP_ATTR_UPCALL_PID]; parms.desired_ifindex = a[OVS_DP_ATTR_IFINDEX] - ? nla_get_u32(a[OVS_DP_ATTR_IFINDEX]) : 0; + ? nla_get_s32(a[OVS_DP_ATTR_IFINDEX]) : 0; /* So far only local changes have been made, now need the lock. */ ovs_lock(); @@ -2049,7 +2049,7 @@ static const struct nla_policy datapath_policy[OVS_DP_ATTR_MAX + 1] = { [OVS_DP_ATTR_USER_FEATURES] = { .type = NLA_U32 }, [OVS_DP_ATTR_MASKS_CACHE_SIZE] = NLA_POLICY_RANGE(NLA_U32, 0, PCPU_MIN_UNIT_SIZE / sizeof(struct mask_cache_entry)), - [OVS_DP_ATTR_IFINDEX] = {.type = NLA_U32 }, + [OVS_DP_ATTR_IFINDEX] = NLA_POLICY_MIN(NLA_S32, 0), }; static const struct genl_small_ops dp_datapath_genl_ops[] = { @@ -2302,7 +2302,7 @@ restart: parms.port_no = port_no; parms.upcall_portids = a[OVS_VPORT_ATTR_UPCALL_PID]; parms.desired_ifindex = a[OVS_VPORT_ATTR_IFINDEX] - ? nla_get_u32(a[OVS_VPORT_ATTR_IFINDEX]) : 0; + ? nla_get_s32(a[OVS_VPORT_ATTR_IFINDEX]) : 0; vport = new_vport(&parms); err = PTR_ERR(vport); @@ -2539,7 +2539,7 @@ static const struct nla_policy vport_policy[OVS_VPORT_ATTR_MAX + 1] = { [OVS_VPORT_ATTR_TYPE] = { .type = NLA_U32 }, [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NLA_UNSPEC }, [OVS_VPORT_ATTR_OPTIONS] = { .type = NLA_NESTED }, - [OVS_VPORT_ATTR_IFINDEX] = { .type = NLA_U32 }, + [OVS_VPORT_ATTR_IFINDEX] = NLA_POLICY_MIN(NLA_S32, 0), [OVS_VPORT_ATTR_NETNSID] = { .type = NLA_S32 }, [OVS_VPORT_ATTR_UPCALL_STATS] = { .type = NLA_NESTED }, }; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a4631cb457a9..a2935bd18ed9 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -401,18 +401,20 @@ static void __packet_set_status(struct packet_sock *po, void *frame, int status) { union tpacket_uhdr h; + /* WRITE_ONCE() are paired with READ_ONCE() in __packet_get_status */ + h.raw = frame; switch (po->tp_version) { case TPACKET_V1: - h.h1->tp_status = status; + WRITE_ONCE(h.h1->tp_status, status); flush_dcache_page(pgv_to_page(&h.h1->tp_status)); break; case TPACKET_V2: - h.h2->tp_status = status; + WRITE_ONCE(h.h2->tp_status, status); flush_dcache_page(pgv_to_page(&h.h2->tp_status)); break; case TPACKET_V3: - h.h3->tp_status = status; + WRITE_ONCE(h.h3->tp_status, status); flush_dcache_page(pgv_to_page(&h.h3->tp_status)); break; default: @@ -429,17 +431,19 @@ static int __packet_get_status(const struct packet_sock *po, void *frame) smp_rmb(); + /* READ_ONCE() are paired with WRITE_ONCE() in __packet_set_status */ + h.raw = frame; switch (po->tp_version) { case TPACKET_V1: flush_dcache_page(pgv_to_page(&h.h1->tp_status)); - return h.h1->tp_status; + return READ_ONCE(h.h1->tp_status); case TPACKET_V2: flush_dcache_page(pgv_to_page(&h.h2->tp_status)); - return h.h2->tp_status; + return READ_ONCE(h.h2->tp_status); case TPACKET_V3: flush_dcache_page(pgv_to_page(&h.h3->tp_status)); - return h.h3->tp_status; + return READ_ONCE(h.h3->tp_status); default: WARN(1, "TPACKET version not supported.\n"); BUG(); diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index aa6b1fe65151..e9eaf637220e 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1547,10 +1547,28 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, return 0; } +static bool req_create_or_replace(struct nlmsghdr *n) +{ + return (n->nlmsg_flags & NLM_F_CREATE && + n->nlmsg_flags & NLM_F_REPLACE); +} + +static bool req_create_exclusive(struct nlmsghdr *n) +{ + return (n->nlmsg_flags & NLM_F_CREATE && + n->nlmsg_flags & NLM_F_EXCL); +} + +static bool req_change(struct nlmsghdr *n) +{ + return (!(n->nlmsg_flags & NLM_F_CREATE) && + !(n->nlmsg_flags & NLM_F_REPLACE) && + !(n->nlmsg_flags & NLM_F_EXCL)); +} + /* * Create/change qdisc. */ - static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, struct netlink_ext_ack *extack) { @@ -1644,27 +1662,35 @@ replay: * * We know, that some child q is already * attached to this parent and have choice: - * either to change it or to create/graft new one. + * 1) change it or 2) create/graft new one. + * If the requested qdisc kind is different + * than the existing one, then we choose graft. + * If they are the same then this is "change" + * operation - just let it fallthrough.. * * 1. We are allowed to create/graft only - * if CREATE and REPLACE flags are set. + * if the request is explicitly stating + * "please create if it doesn't exist". * - * 2. If EXCL is set, requestor wanted to say, - * that qdisc tcm_handle is not expected + * 2. If the request is to exclusive create + * then the qdisc tcm_handle is not expected * to exist, so that we choose create/graft too. * * 3. The last case is when no flags are set. + * This will happen when for example tc + * utility issues a "change" command. * Alas, it is sort of hole in API, we * cannot decide what to do unambiguously. - * For now we select create/graft, if - * user gave KIND, which does not match existing. + * For now we select create/graft. */ - if ((n->nlmsg_flags & NLM_F_CREATE) && - (n->nlmsg_flags & NLM_F_REPLACE) && - ((n->nlmsg_flags & NLM_F_EXCL) || - (tca[TCA_KIND] && - nla_strcmp(tca[TCA_KIND], q->ops->id)))) - goto create_n_graft; + if (tca[TCA_KIND] && + nla_strcmp(tca[TCA_KIND], q->ops->id)) { + if (req_create_or_replace(n) || + req_create_exclusive(n)) + goto create_n_graft; + else if (req_change(n)) + goto create_n_graft2; + } } } } else { @@ -1698,6 +1724,7 @@ create_n_graft: NL_SET_ERR_MSG(extack, "Qdisc not found. To create specify NLM_F_CREATE flag"); return -ENOENT; } +create_n_graft2: if (clid == TC_H_INGRESS) { if (dev_ingress_queue(dev)) { q = qdisc_create(dev, dev_ingress_queue(dev), diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 9388d98aebc0..76f1bce49a8e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -99,7 +99,7 @@ struct percpu_counter sctp_sockets_allocated; static void sctp_enter_memory_pressure(struct sock *sk) { - sctp_memory_pressure = 1; + WRITE_ONCE(sctp_memory_pressure, 1); } @@ -9479,7 +9479,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, newinet->inet_rcv_saddr = inet->inet_rcv_saddr; newinet->inet_dport = htons(asoc->peer.port); newinet->pmtudisc = inet->pmtudisc; - newinet->inet_id = get_random_u16(); + atomic_set(&newinet->inet_id, get_random_u16()); newinet->uc_ttl = inet->uc_ttl; newinet->mc_loop = 1; diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 0c013d2b5d8f..f5834af5fad5 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -378,8 +378,8 @@ static struct sock *smc_sock_alloc(struct net *net, struct socket *sock, sk->sk_state = SMC_INIT; sk->sk_destruct = smc_destruct; sk->sk_protocol = protocol; - WRITE_ONCE(sk->sk_sndbuf, READ_ONCE(net->smc.sysctl_wmem)); - WRITE_ONCE(sk->sk_rcvbuf, READ_ONCE(net->smc.sysctl_rmem)); + WRITE_ONCE(sk->sk_sndbuf, 2 * READ_ONCE(net->smc.sysctl_wmem)); + WRITE_ONCE(sk->sk_rcvbuf, 2 * READ_ONCE(net->smc.sysctl_rmem)); smc = smc_sk(sk); INIT_WORK(&smc->tcp_listen_work, smc_tcp_listen_work); INIT_WORK(&smc->connect_work, smc_connect_work); @@ -436,13 +436,60 @@ out: return rc; } +/* copy only relevant settings and flags of SOL_SOCKET level from smc to + * clc socket (since smc is not called for these options from net/core) + */ + +#define SK_FLAGS_SMC_TO_CLC ((1UL << SOCK_URGINLINE) | \ + (1UL << SOCK_KEEPOPEN) | \ + (1UL << SOCK_LINGER) | \ + (1UL << SOCK_BROADCAST) | \ + (1UL << SOCK_TIMESTAMP) | \ + (1UL << SOCK_DBG) | \ + (1UL << SOCK_RCVTSTAMP) | \ + (1UL << SOCK_RCVTSTAMPNS) | \ + (1UL << SOCK_LOCALROUTE) | \ + (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE) | \ + (1UL << SOCK_RXQ_OVFL) | \ + (1UL << SOCK_WIFI_STATUS) | \ + (1UL << SOCK_NOFCS) | \ + (1UL << SOCK_FILTER_LOCKED) | \ + (1UL << SOCK_TSTAMP_NEW)) + +/* if set, use value set by setsockopt() - else use IPv4 or SMC sysctl value */ +static void smc_adjust_sock_bufsizes(struct sock *nsk, struct sock *osk, + unsigned long mask) +{ + struct net *nnet = sock_net(nsk); + + nsk->sk_userlocks = osk->sk_userlocks; + if (osk->sk_userlocks & SOCK_SNDBUF_LOCK) { + nsk->sk_sndbuf = osk->sk_sndbuf; + } else { + if (mask == SK_FLAGS_SMC_TO_CLC) + WRITE_ONCE(nsk->sk_sndbuf, + READ_ONCE(nnet->ipv4.sysctl_tcp_wmem[1])); + else + WRITE_ONCE(nsk->sk_sndbuf, + 2 * READ_ONCE(nnet->smc.sysctl_wmem)); + } + if (osk->sk_userlocks & SOCK_RCVBUF_LOCK) { + nsk->sk_rcvbuf = osk->sk_rcvbuf; + } else { + if (mask == SK_FLAGS_SMC_TO_CLC) + WRITE_ONCE(nsk->sk_rcvbuf, + READ_ONCE(nnet->ipv4.sysctl_tcp_rmem[1])); + else + WRITE_ONCE(nsk->sk_rcvbuf, + 2 * READ_ONCE(nnet->smc.sysctl_rmem)); + } +} + static void smc_copy_sock_settings(struct sock *nsk, struct sock *osk, unsigned long mask) { /* options we don't get control via setsockopt for */ nsk->sk_type = osk->sk_type; - nsk->sk_sndbuf = osk->sk_sndbuf; - nsk->sk_rcvbuf = osk->sk_rcvbuf; nsk->sk_sndtimeo = osk->sk_sndtimeo; nsk->sk_rcvtimeo = osk->sk_rcvtimeo; nsk->sk_mark = READ_ONCE(osk->sk_mark); @@ -453,26 +500,10 @@ static void smc_copy_sock_settings(struct sock *nsk, struct sock *osk, nsk->sk_flags &= ~mask; nsk->sk_flags |= osk->sk_flags & mask; + + smc_adjust_sock_bufsizes(nsk, osk, mask); } -#define SK_FLAGS_SMC_TO_CLC ((1UL << SOCK_URGINLINE) | \ - (1UL << SOCK_KEEPOPEN) | \ - (1UL << SOCK_LINGER) | \ - (1UL << SOCK_BROADCAST) | \ - (1UL << SOCK_TIMESTAMP) | \ - (1UL << SOCK_DBG) | \ - (1UL << SOCK_RCVTSTAMP) | \ - (1UL << SOCK_RCVTSTAMPNS) | \ - (1UL << SOCK_LOCALROUTE) | \ - (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE) | \ - (1UL << SOCK_RXQ_OVFL) | \ - (1UL << SOCK_WIFI_STATUS) | \ - (1UL << SOCK_NOFCS) | \ - (1UL << SOCK_FILTER_LOCKED) | \ - (1UL << SOCK_TSTAMP_NEW)) -/* copy only relevant settings and flags of SOL_SOCKET level from smc to - * clc socket (since smc is not called for these options from net/core) - */ static void smc_copy_sock_settings_to_clc(struct smc_sock *smc) { smc_copy_sock_settings(smc->clcsock->sk, &smc->sk, SK_FLAGS_SMC_TO_CLC); @@ -2479,8 +2510,6 @@ static void smc_tcp_listen_work(struct work_struct *work) sock_hold(lsk); /* sock_put in smc_listen_work */ INIT_WORK(&new_smc->smc_listen_work, smc_listen_work); smc_copy_sock_settings_to_smc(new_smc); - new_smc->sk.sk_sndbuf = lsmc->sk.sk_sndbuf; - new_smc->sk.sk_rcvbuf = lsmc->sk.sk_rcvbuf; sock_hold(&new_smc->sk); /* sock_put in passive closing */ if (!queue_work(smc_hs_wq, &new_smc->smc_listen_work)) sock_put(&new_smc->sk); diff --git a/net/smc/smc.h b/net/smc/smc.h index 2eeea4cdc718..1f2b912c43d1 100644 --- a/net/smc/smc.h +++ b/net/smc/smc.h @@ -161,7 +161,7 @@ struct smc_connection { struct smc_buf_desc *sndbuf_desc; /* send buffer descriptor */ struct smc_buf_desc *rmb_desc; /* RMBE descriptor */ - int rmbe_size_short;/* compressed notation */ + int rmbe_size_comp; /* compressed notation */ int rmbe_update_limit; /* lower limit for consumer * cursor update diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c index b9b8b07aa702..c90d9e5dda54 100644 --- a/net/smc/smc_clc.c +++ b/net/smc/smc_clc.c @@ -1007,7 +1007,7 @@ static int smc_clc_send_confirm_accept(struct smc_sock *smc, clc->d0.gid = conn->lgr->smcd->ops->get_local_gid(conn->lgr->smcd); clc->d0.token = conn->rmb_desc->token; - clc->d0.dmbe_size = conn->rmbe_size_short; + clc->d0.dmbe_size = conn->rmbe_size_comp; clc->d0.dmbe_idx = 0; memcpy(&clc->d0.linkid, conn->lgr->id, SMC_LGR_ID_SIZE); if (version == SMC_V1) { @@ -1050,7 +1050,7 @@ static int smc_clc_send_confirm_accept(struct smc_sock *smc, clc->r0.qp_mtu = min(link->path_mtu, link->peer_mtu); break; } - clc->r0.rmbe_size = conn->rmbe_size_short; + clc->r0.rmbe_size = conn->rmbe_size_comp; clc->r0.rmb_dma_addr = conn->rmb_desc->is_vm ? cpu_to_be64((uintptr_t)conn->rmb_desc->cpu_addr) : cpu_to_be64((u64)sg_dma_address diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 3f465faf2b68..6b78075404d7 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -2309,31 +2309,30 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb) struct smc_connection *conn = &smc->conn; struct smc_link_group *lgr = conn->lgr; struct list_head *buf_list; - int bufsize, bufsize_short; + int bufsize, bufsize_comp; struct rw_semaphore *lock; /* lock buffer list */ bool is_dgraded = false; - int sk_buf_size; if (is_rmb) /* use socket recv buffer size (w/o overhead) as start value */ - sk_buf_size = smc->sk.sk_rcvbuf; + bufsize = smc->sk.sk_rcvbuf / 2; else /* use socket send buffer size (w/o overhead) as start value */ - sk_buf_size = smc->sk.sk_sndbuf; + bufsize = smc->sk.sk_sndbuf / 2; - for (bufsize_short = smc_compress_bufsize(sk_buf_size, is_smcd, is_rmb); - bufsize_short >= 0; bufsize_short--) { + for (bufsize_comp = smc_compress_bufsize(bufsize, is_smcd, is_rmb); + bufsize_comp >= 0; bufsize_comp--) { if (is_rmb) { lock = &lgr->rmbs_lock; - buf_list = &lgr->rmbs[bufsize_short]; + buf_list = &lgr->rmbs[bufsize_comp]; } else { lock = &lgr->sndbufs_lock; - buf_list = &lgr->sndbufs[bufsize_short]; + buf_list = &lgr->sndbufs[bufsize_comp]; } - bufsize = smc_uncompress_bufsize(bufsize_short); + bufsize = smc_uncompress_bufsize(bufsize_comp); /* check for reusable slot in the link group */ - buf_desc = smc_buf_get_slot(bufsize_short, lock, buf_list); + buf_desc = smc_buf_get_slot(bufsize_comp, lock, buf_list); if (buf_desc) { buf_desc->is_dma_need_sync = 0; SMC_STAT_RMB_SIZE(smc, is_smcd, is_rmb, bufsize); @@ -2377,8 +2376,8 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb) if (is_rmb) { conn->rmb_desc = buf_desc; - conn->rmbe_size_short = bufsize_short; - smc->sk.sk_rcvbuf = bufsize; + conn->rmbe_size_comp = bufsize_comp; + smc->sk.sk_rcvbuf = bufsize * 2; atomic_set(&conn->bytes_to_rcv, 0); conn->rmbe_update_limit = smc_rmb_wnd_update_limit(buf_desc->len); @@ -2386,7 +2385,7 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb) smc_ism_set_conn(conn); /* map RMB/smcd_dev to conn */ } else { conn->sndbuf_desc = buf_desc; - smc->sk.sk_sndbuf = bufsize; + smc->sk.sk_sndbuf = bufsize * 2; atomic_set(&conn->sndbuf_space, bufsize); } return 0; diff --git a/net/smc/smc_sysctl.c b/net/smc/smc_sysctl.c index b6f79fabb9d3..0b2a957ca5f5 100644 --- a/net/smc/smc_sysctl.c +++ b/net/smc/smc_sysctl.c @@ -21,6 +21,10 @@ static int min_sndbuf = SMC_BUF_MIN_SIZE; static int min_rcvbuf = SMC_BUF_MIN_SIZE; +static int max_sndbuf = INT_MAX / 2; +static int max_rcvbuf = INT_MAX / 2; +static const int net_smc_wmem_init = (64 * 1024); +static const int net_smc_rmem_init = (64 * 1024); static struct ctl_table smc_table[] = { { @@ -53,6 +57,7 @@ static struct ctl_table smc_table[] = { .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_sndbuf, + .extra2 = &max_sndbuf, }, { .procname = "rmem", @@ -61,6 +66,7 @@ static struct ctl_table smc_table[] = { .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &min_rcvbuf, + .extra2 = &max_rcvbuf, }, { } }; @@ -88,8 +94,8 @@ int __net_init smc_sysctl_net_init(struct net *net) net->smc.sysctl_autocorking_size = SMC_AUTOCORKING_DEFAULT_SIZE; net->smc.sysctl_smcr_buf_type = SMCR_PHYS_CONT_BUFS; net->smc.sysctl_smcr_testlink_time = SMC_LLC_TESTLINK_DEFAULT_TIME; - WRITE_ONCE(net->smc.sysctl_wmem, READ_ONCE(net->ipv4.sysctl_tcp_wmem[1])); - WRITE_ONCE(net->smc.sysctl_rmem, READ_ONCE(net->ipv4.sysctl_tcp_rmem[1])); + WRITE_ONCE(net->smc.sysctl_wmem, net_smc_wmem_init); + WRITE_ONCE(net->smc.sysctl_rmem, net_smc_rmem_init); return 0; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 0b6034fab9ab..f420d8457345 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -472,7 +472,7 @@ rpc_get_inode(struct super_block *sb, umode_t mode) return NULL; inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); switch (mode & S_IFMT) { case S_IFDIR: inode->i_fop = &simple_dir_operations; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index e43f26382411..2eb8df44f894 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1244,6 +1244,9 @@ static int svc_tcp_sendmsg(struct socket *sock, struct xdr_buf *xdr, if (ret != head->iov_len) goto out; + if (xdr_buf_pagecount(xdr)) + xdr->bvec[0].bv_offset = offset_in_page(xdr->page_base); + msg.msg_flags = MSG_SPLICE_PAGES; iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, xdr->bvec, xdr_buf_pagecount(xdr), xdr->page_len); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index b098fde373ab..28c0771c4e8c 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -935,9 +935,6 @@ struct rpcrdma_rep *rpcrdma_rep_create(struct rpcrdma_xprt *r_xprt, if (!rep->rr_rdmabuf) goto out_free; - if (!rpcrdma_regbuf_dma_map(r_xprt, rep->rr_rdmabuf)) - goto out_free_regbuf; - rep->rr_cid.ci_completion_id = atomic_inc_return(&r_xprt->rx_ep->re_completion_ids); @@ -956,8 +953,6 @@ struct rpcrdma_rep *rpcrdma_rep_create(struct rpcrdma_xprt *r_xprt, spin_unlock(&buf->rb_lock); return rep; -out_free_regbuf: - rpcrdma_regbuf_free(rep->rr_rdmabuf); out_free: kfree(rep); out: @@ -1363,6 +1358,10 @@ void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, int needed, bool temp) rep = rpcrdma_rep_create(r_xprt, temp); if (!rep) break; + if (!rpcrdma_regbuf_dma_map(r_xprt, rep->rr_rdmabuf)) { + rpcrdma_rep_put(buf, rep); + break; + } rep->rr_cid.ci_queue_id = ep->re_attr.recv_cq->res.id; trace_xprtrdma_post_recv(rep); diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 2021fe557e50..529101eb20bd 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -52,6 +52,8 @@ static LIST_HEAD(tls_device_list); static LIST_HEAD(tls_device_down_list); static DEFINE_SPINLOCK(tls_device_lock); +static struct page *dummy_page; + static void tls_device_free_ctx(struct tls_context *ctx) { if (ctx->tx_conf == TLS_HW) { @@ -312,36 +314,33 @@ static int tls_push_record(struct sock *sk, return tls_push_sg(sk, ctx, offload_ctx->sg_tx_data, 0, flags); } -static int tls_device_record_close(struct sock *sk, - struct tls_context *ctx, - struct tls_record_info *record, - struct page_frag *pfrag, - unsigned char record_type) +static void tls_device_record_close(struct sock *sk, + struct tls_context *ctx, + struct tls_record_info *record, + struct page_frag *pfrag, + unsigned char record_type) { struct tls_prot_info *prot = &ctx->prot_info; - int ret; + struct page_frag dummy_tag_frag; /* append tag * device will fill in the tag, we just need to append a placeholder * use socket memory to improve coalescing (re-using a single buffer * increases frag count) - * if we can't allocate memory now, steal some back from data + * if we can't allocate memory now use the dummy page */ - if (likely(skb_page_frag_refill(prot->tag_size, pfrag, - sk->sk_allocation))) { - ret = 0; - tls_append_frag(record, pfrag, prot->tag_size); - } else { - ret = prot->tag_size; - if (record->len <= prot->overhead_size) - return -ENOMEM; + if (unlikely(pfrag->size - pfrag->offset < prot->tag_size) && + !skb_page_frag_refill(prot->tag_size, pfrag, sk->sk_allocation)) { + dummy_tag_frag.page = dummy_page; + dummy_tag_frag.offset = 0; + pfrag = &dummy_tag_frag; } + tls_append_frag(record, pfrag, prot->tag_size); /* fill prepend */ tls_fill_prepend(ctx, skb_frag_address(&record->frags[0]), record->len - prot->overhead_size, record_type); - return ret; } static int tls_create_new_record(struct tls_offload_context_tx *offload_ctx, @@ -541,18 +540,8 @@ last_record: if (done || record->len >= max_open_record_len || (record->num_frags >= MAX_SKB_FRAGS - 1)) { - rc = tls_device_record_close(sk, tls_ctx, record, - pfrag, record_type); - if (rc) { - if (rc > 0) { - size += rc; - } else { - size = orig_size; - destroy_record(record); - ctx->open_record = NULL; - break; - } - } + tls_device_record_close(sk, tls_ctx, record, + pfrag, record_type); rc = tls_push_record(sk, tls_ctx, @@ -1450,14 +1439,26 @@ int __init tls_device_init(void) { int err; - destruct_wq = alloc_workqueue("ktls_device_destruct", 0, 0); - if (!destruct_wq) + dummy_page = alloc_page(GFP_KERNEL); + if (!dummy_page) return -ENOMEM; + destruct_wq = alloc_workqueue("ktls_device_destruct", 0, 0); + if (!destruct_wq) { + err = -ENOMEM; + goto err_free_dummy; + } + err = register_netdevice_notifier(&tls_dev_notifier); if (err) - destroy_workqueue(destruct_wq); + goto err_destroy_wq; + return 0; + +err_destroy_wq: + destroy_workqueue(destruct_wq); +err_free_dummy: + put_page(dummy_page); return err; } @@ -1466,4 +1467,5 @@ void __exit tls_device_cleanup(void) unregister_netdevice_notifier(&tls_dev_notifier); destroy_workqueue(destruct_wq); clean_acked_data_flush(); + put_page(dummy_page); } diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index b6896126bb92..4a8ee2f6badb 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -139,9 +139,6 @@ int tls_push_sg(struct sock *sk, ctx->splicing_pages = true; while (1) { - if (sg_is_last(sg)) - msg.msg_flags = flags; - /* is sending application-limited? */ tcp_rate_check_app_limited(sk); p = sg_page(sg); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 0da2e6a2a7ea..8bcf8e293308 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -5430,8 +5430,11 @@ nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs) if (!wiphy->mbssid_max_interfaces) return ERR_PTR(-EINVAL); - nla_for_each_nested(nl_elems, attrs, rem_elems) + nla_for_each_nested(nl_elems, attrs, rem_elems) { + if (num_elems >= 255) + return ERR_PTR(-EINVAL); num_elems++; + } elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL); if (!elems) diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index b89adb52a977..10ea85c03147 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -994,6 +994,7 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len) err = xp_alloc_tx_descs(xs->pool, xs); if (err) { xp_put_pool(xs->pool); + xs->pool = NULL; sockfd_put(sock); goto out_unlock; } diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c index 8cbf45a8bcdc..655fe4ff8621 100644 --- a/net/xfrm/xfrm_compat.c +++ b/net/xfrm/xfrm_compat.c @@ -108,7 +108,7 @@ static const struct nla_policy compat_policy[XFRMA_MAX+1] = { [XFRMA_ALG_COMP] = { .len = sizeof(struct xfrm_algo) }, [XFRMA_ENCAP] = { .len = sizeof(struct xfrm_encap_tmpl) }, [XFRMA_TMPL] = { .len = sizeof(struct xfrm_user_tmpl) }, - [XFRMA_SEC_CTX] = { .len = sizeof(struct xfrm_sec_ctx) }, + [XFRMA_SEC_CTX] = { .len = sizeof(struct xfrm_user_sec_ctx) }, [XFRMA_LTIME_VAL] = { .len = sizeof(struct xfrm_lifetime_cur) }, [XFRMA_REPLAY_VAL] = { .len = sizeof(struct xfrm_replay_state) }, [XFRMA_REPLAY_THRESH] = { .type = NLA_U32 }, diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 815b38080401..d5ee96789d4b 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -180,6 +180,8 @@ static int xfrm4_remove_beet_encap(struct xfrm_state *x, struct sk_buff *skb) int optlen = 0; int err = -EINVAL; + skb->protocol = htons(ETH_P_IP); + if (unlikely(XFRM_MODE_SKB_CB(skb)->protocol == IPPROTO_BEETPH)) { struct ip_beet_phdr *ph; int phlen; @@ -232,6 +234,8 @@ static int xfrm4_remove_tunnel_encap(struct xfrm_state *x, struct sk_buff *skb) { int err = -EINVAL; + skb->protocol = htons(ETH_P_IP); + if (!pskb_may_pull(skb, sizeof(struct iphdr))) goto out; @@ -267,6 +271,8 @@ static int xfrm6_remove_tunnel_encap(struct xfrm_state *x, struct sk_buff *skb) { int err = -EINVAL; + skb->protocol = htons(ETH_P_IPV6); + if (!pskb_may_pull(skb, sizeof(struct ipv6hdr))) goto out; @@ -296,6 +302,8 @@ static int xfrm6_remove_beet_encap(struct xfrm_state *x, struct sk_buff *skb) int size = sizeof(struct ipv6hdr); int err; + skb->protocol = htons(ETH_P_IPV6); + err = skb_cow_head(skb, size + skb->mac_len); if (err) goto out; @@ -346,6 +354,7 @@ xfrm_inner_mode_encap_remove(struct xfrm_state *x, return xfrm6_remove_tunnel_encap(x, skb); break; } + return -EINVAL; } WARN_ON_ONCE(1); @@ -366,19 +375,6 @@ static int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb) return -EAFNOSUPPORT; } - switch (XFRM_MODE_SKB_CB(skb)->protocol) { - case IPPROTO_IPIP: - case IPPROTO_BEETPH: - skb->protocol = htons(ETH_P_IP); - break; - case IPPROTO_IPV6: - skb->protocol = htons(ETH_P_IPV6); - break; - default: - WARN_ON_ONCE(1); - break; - } - return xfrm_inner_mode_encap_remove(x, skb); } diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c index a3319965470a..b86474084690 100644 --- a/net/xfrm/xfrm_interface_core.c +++ b/net/xfrm/xfrm_interface_core.c @@ -537,8 +537,8 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev) switch (skb->protocol) { case htons(ETH_P_IPV6): - xfrm_decode_session(skb, &fl, AF_INET6); memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); + xfrm_decode_session(skb, &fl, AF_INET6); if (!dst) { fl.u.ip6.flowi6_oif = dev->ifindex; fl.u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC; @@ -552,8 +552,8 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev) } break; case htons(ETH_P_IP): - xfrm_decode_session(skb, &fl, AF_INET); memset(IPCB(skb), 0, sizeof(*IPCB(skb))); + xfrm_decode_session(skb, &fl, AF_INET); if (!dst) { struct rtable *rt; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 49e63eea841d..bda5327bf34d 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1324,12 +1324,8 @@ found: struct xfrm_dev_offload *xso = &x->xso; if (xso->type == XFRM_DEV_OFFLOAD_PACKET) { - xso->dev->xfrmdev_ops->xdo_dev_state_delete(x); - xso->dir = 0; - netdev_put(xso->dev, &xso->dev_tracker); - xso->dev = NULL; - xso->real_dev = NULL; - xso->type = XFRM_DEV_OFFLOAD_UNSPECIFIED; + xfrm_dev_state_delete(x); + xfrm_dev_state_free(x); } #endif x->km.state = XFRM_STATE_DEAD; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index c34a2a06ca94..ad01997c3aa9 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -628,7 +628,7 @@ static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs, struct nlattr *rt = attrs[XFRMA_REPLAY_THRESH]; struct nlattr *mt = attrs[XFRMA_MTIMER_THRESH]; - if (re) { + if (re && x->replay_esn && x->preplay_esn) { struct xfrm_replay_state_esn *replay_esn; replay_esn = nla_data(re); memcpy(x->replay_esn, replay_esn, @@ -1267,6 +1267,15 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb) sizeof(*filter), GFP_KERNEL); if (filter == NULL) return -ENOMEM; + + /* see addr_match(), (prefix length >> 5) << 2 + * will be used to compare xfrm_address_t + */ + if (filter->splen > (sizeof(xfrm_address_t) << 3) || + filter->dplen > (sizeof(xfrm_address_t) << 3)) { + kfree(filter); + return -EINVAL; + } } if (attrs[XFRMA_PROTO]) @@ -2336,6 +2345,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, NETLINK_CB(skb).portid); } } else { + xfrm_dev_policy_delete(xp); xfrm_audit_policy_delete(xp, err ? 0 : 1, true); if (err != 0) @@ -3015,7 +3025,7 @@ const struct nla_policy xfrma_policy[XFRMA_MAX+1] = { [XFRMA_ALG_COMP] = { .len = sizeof(struct xfrm_algo) }, [XFRMA_ENCAP] = { .len = sizeof(struct xfrm_encap_tmpl) }, [XFRMA_TMPL] = { .len = sizeof(struct xfrm_user_tmpl) }, - [XFRMA_SEC_CTX] = { .len = sizeof(struct xfrm_sec_ctx) }, + [XFRMA_SEC_CTX] = { .len = sizeof(struct xfrm_user_sec_ctx) }, [XFRMA_LTIME_VAL] = { .len = sizeof(struct xfrm_lifetime_cur) }, [XFRMA_REPLAY_VAL] = { .len = sizeof(struct xfrm_replay_state) }, [XFRMA_REPLAY_THRESH] = { .type = NLA_U32 }, @@ -3035,6 +3045,7 @@ const struct nla_policy xfrma_policy[XFRMA_MAX+1] = { [XFRMA_SET_MARK] = { .type = NLA_U32 }, [XFRMA_SET_MARK_MASK] = { .type = NLA_U32 }, [XFRMA_IF_ID] = { .type = NLA_U32 }, + [XFRMA_MTIMER_THRESH] = { .type = NLA_U32 }, }; EXPORT_SYMBOL_GPL(xfrma_policy); diff --git a/rust/macros/vtable.rs b/rust/macros/vtable.rs index 34d5e7fb5768..ee06044fcd4f 100644 --- a/rust/macros/vtable.rs +++ b/rust/macros/vtable.rs @@ -74,6 +74,7 @@ pub(crate) fn vtable(_attr: TokenStream, ts: TokenStream) -> TokenStream { const {gen_const_name}: bool = false;", ) .unwrap(); + consts.insert(gen_const_name); } } else { const_items = "const USE_VTABLE_ATTR: () = ();".to_owned(); diff --git a/samples/ftrace/ftrace-direct-modify.c b/samples/ftrace/ftrace-direct-modify.c index e5ed08098ff3..e2a6a69352df 100644 --- a/samples/ftrace/ftrace-direct-modify.c +++ b/samples/ftrace/ftrace-direct-modify.c @@ -105,7 +105,7 @@ asm ( " .type my_tramp1, @function\n" " .globl my_tramp1\n" " my_tramp1:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #16\n" " stp x9, x30, [sp]\n" " bl my_direct_func1\n" @@ -117,7 +117,7 @@ asm ( " .type my_tramp2, @function\n" " .globl my_tramp2\n" " my_tramp2:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #16\n" " stp x9, x30, [sp]\n" " bl my_direct_func2\n" diff --git a/samples/ftrace/ftrace-direct-multi-modify.c b/samples/ftrace/ftrace-direct-multi-modify.c index 292cff2b3f5d..2e349834d63c 100644 --- a/samples/ftrace/ftrace-direct-multi-modify.c +++ b/samples/ftrace/ftrace-direct-multi-modify.c @@ -112,7 +112,7 @@ asm ( " .type my_tramp1, @function\n" " .globl my_tramp1\n" " my_tramp1:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #32\n" " stp x9, x30, [sp]\n" " str x0, [sp, #16]\n" @@ -127,7 +127,7 @@ asm ( " .type my_tramp2, @function\n" " .globl my_tramp2\n" " my_tramp2:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #32\n" " stp x9, x30, [sp]\n" " str x0, [sp, #16]\n" diff --git a/samples/ftrace/ftrace-direct-multi.c b/samples/ftrace/ftrace-direct-multi.c index b4391e08c913..9243dbfe4d0c 100644 --- a/samples/ftrace/ftrace-direct-multi.c +++ b/samples/ftrace/ftrace-direct-multi.c @@ -75,7 +75,7 @@ asm ( " .type my_tramp, @function\n" " .globl my_tramp\n" " my_tramp:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #32\n" " stp x9, x30, [sp]\n" " str x0, [sp, #16]\n" diff --git a/samples/ftrace/ftrace-direct-too.c b/samples/ftrace/ftrace-direct-too.c index e9804c5307c0..e39c3563ae4e 100644 --- a/samples/ftrace/ftrace-direct-too.c +++ b/samples/ftrace/ftrace-direct-too.c @@ -81,7 +81,7 @@ asm ( " .type my_tramp, @function\n" " .globl my_tramp\n" " my_tramp:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #48\n" " stp x9, x30, [sp]\n" " stp x0, x1, [sp, #16]\n" diff --git a/samples/ftrace/ftrace-direct.c b/samples/ftrace/ftrace-direct.c index 20f4a7caa810..32c477da1e9a 100644 --- a/samples/ftrace/ftrace-direct.c +++ b/samples/ftrace/ftrace-direct.c @@ -72,7 +72,7 @@ asm ( " .type my_tramp, @function\n" " .globl my_tramp\n" " my_tramp:" -" bti c\n" +" hint 34\n" // bti c " sub sp, sp, #32\n" " stp x9, x30, [sp]\n" " str x0, [sp, #16]\n" diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 16c87938b316..653b92f6d4c8 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -129,6 +129,7 @@ static struct sym_entry *read_symbol(FILE *in, char **buf, size_t *buf_len) ssize_t readlen; struct sym_entry *sym; + errno = 0; readlen = getline(buf, buf_len, in); if (readlen < 0) { if (errno) { diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index db7a51acf9db..bd6a910f6528 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -226,7 +226,7 @@ static int __aafs_setup_d_inode(struct inode *dir, struct dentry *dentry, inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_private = data; if (S_ISDIR(mode)) { inode->i_op = iops ? iops : &simple_dir_inode_operations; @@ -1554,8 +1554,11 @@ void __aafs_profile_migrate_dents(struct aa_profile *old, for (i = 0; i < AAFS_PROF_SIZEOF; i++) { new->dents[i] = old->dents[i]; - if (new->dents[i]) - new->dents[i]->d_inode->i_mtime = current_time(new->dents[i]->d_inode); + if (new->dents[i]) { + struct inode *inode = d_inode(new->dents[i]); + + inode->i_mtime = inode_set_ctime_current(inode); + } old->dents[i] = NULL; } } @@ -2540,7 +2543,7 @@ static int aa_mk_null_file(struct dentry *parent) inode->i_ino = get_next_ino(); inode->i_mode = S_IFCHR | S_IRUGO | S_IWUGO; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); init_special_inode(inode, S_IFCHR | S_IRUGO | S_IWUGO, MKDEV(MEM_MAJOR, 3)); d_instantiate(dentry, inode); diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 694fb7a09962..8b8846073e14 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -86,10 +86,13 @@ void __aa_loaddata_update(struct aa_loaddata *data, long revision) data->revision = revision; if ((data->dents[AAFS_LOADDATA_REVISION])) { - d_inode(data->dents[AAFS_LOADDATA_DIR])->i_mtime = - current_time(d_inode(data->dents[AAFS_LOADDATA_DIR])); - d_inode(data->dents[AAFS_LOADDATA_REVISION])->i_mtime = - current_time(d_inode(data->dents[AAFS_LOADDATA_REVISION])); + struct inode *inode; + + inode = d_inode(data->dents[AAFS_LOADDATA_DIR]); + inode->i_mtime = inode_set_ctime_current(inode); + + inode = d_inode(data->dents[AAFS_LOADDATA_REVISION]); + inode->i_mtime = inode_set_ctime_current(inode); } } diff --git a/security/inode.c b/security/inode.c index 6c326939750d..3aa75fffa8c9 100644 --- a/security/inode.c +++ b/security/inode.c @@ -145,7 +145,7 @@ static struct dentry *securityfs_create_dentry(const char *name, umode_t mode, inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); inode->i_private = data; if (S_ISDIR(mode)) { inode->i_op = &simple_dir_inode_operations; diff --git a/security/keys/sysctl.c b/security/keys/sysctl.c index b72b82bb20c6..b348e1679d5d 100644 --- a/security/keys/sysctl.c +++ b/security/keys/sysctl.c @@ -9,7 +9,7 @@ #include <linux/sysctl.h> #include "internal.h" -struct ctl_table key_sysctls[] = { +static struct ctl_table key_sysctls[] = { { .procname = "maxkeys", .data = &key_quota_maxkeys, diff --git a/security/security.c b/security/security.c index b720424ca37d..549104a447e3 100644 --- a/security/security.c +++ b/security/security.c @@ -1139,6 +1139,20 @@ void security_bprm_committed_creds(struct linux_binprm *bprm) } /** + * security_fs_context_submount() - Initialise fc->security + * @fc: new filesystem context + * @reference: dentry reference for submount/remount + * + * Fill out the ->security field for a new fs_context. + * + * Return: Returns 0 on success or negative error code on failure. + */ +int security_fs_context_submount(struct fs_context *fc, struct super_block *reference) +{ + return call_int_hook(fs_context_submount, 0, fc, reference); +} + +/** * security_fs_context_dup() - Duplicate a fs_context LSM blob * @fc: destination filesystem context * @src_fc: source filesystem context diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d06e350fedee..afd663744041 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2745,6 +2745,27 @@ static int selinux_umount(struct vfsmount *mnt, int flags) FILESYSTEM__UNMOUNT, NULL); } +static int selinux_fs_context_submount(struct fs_context *fc, + struct super_block *reference) +{ + const struct superblock_security_struct *sbsec; + struct selinux_mnt_opts *opts; + + opts = kzalloc(sizeof(*opts), GFP_KERNEL); + if (!opts) + return -ENOMEM; + + sbsec = selinux_superblock(reference); + if (sbsec->flags & FSCONTEXT_MNT) + opts->fscontext_sid = sbsec->sid; + if (sbsec->flags & CONTEXT_MNT) + opts->context_sid = sbsec->mntpoint_sid; + if (sbsec->flags & DEFCONTEXT_MNT) + opts->defcontext_sid = sbsec->def_sid; + fc->security = opts; + return 0; +} + static int selinux_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc) { @@ -7182,6 +7203,7 @@ static struct security_hook_list selinux_hooks[] __ro_after_init = { /* * PUT "CLONING" (ACCESSING + ALLOCATING) HOOKS HERE */ + LSM_HOOK_INIT(fs_context_submount, selinux_fs_context_submount), LSM_HOOK_INIT(fs_context_dup, selinux_fs_context_dup), LSM_HOOK_INIT(fs_context_parse_param, selinux_fs_context_parse_param), LSM_HOOK_INIT(sb_eat_lsm_opts, selinux_sb_eat_lsm_opts), diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index bad1f6b685fd..9dafb6ff110d 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -1197,7 +1197,7 @@ static struct inode *sel_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_mode = mode; - ret->i_atime = ret->i_mtime = ret->i_ctime = current_time(ret); + ret->i_atime = ret->i_mtime = inode_set_ctime_current(ret); } return ret; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 31b08b34c722..dc904865af58 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -2005,6 +2005,7 @@ static int filename_trans_read_helper(struct policydb *p, void *fp) if (!datum) goto out; + datum->next = NULL; *dst = datum; /* ebitmap_read() will at least init the bitmap */ @@ -2017,7 +2018,6 @@ static int filename_trans_read_helper(struct policydb *p, void *fp) goto out; datum->otype = le32_to_cpu(buf[0]); - datum->next = NULL; dst = &datum->next; } diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 6e270cf3fd30..a8201cf22f20 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -615,6 +615,56 @@ out_opt_err: } /** + * smack_fs_context_submount - Initialise security data for a filesystem context + * @fc: The filesystem context. + * @reference: reference superblock + * + * Returns 0 on success or -ENOMEM on error. + */ +static int smack_fs_context_submount(struct fs_context *fc, + struct super_block *reference) +{ + struct superblock_smack *sbsp; + struct smack_mnt_opts *ctx; + struct inode_smack *isp; + + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + fc->security = ctx; + + sbsp = smack_superblock(reference); + isp = smack_inode(reference->s_root->d_inode); + + if (sbsp->smk_default) { + ctx->fsdefault = kstrdup(sbsp->smk_default->smk_known, GFP_KERNEL); + if (!ctx->fsdefault) + return -ENOMEM; + } + + if (sbsp->smk_floor) { + ctx->fsfloor = kstrdup(sbsp->smk_floor->smk_known, GFP_KERNEL); + if (!ctx->fsfloor) + return -ENOMEM; + } + + if (sbsp->smk_hat) { + ctx->fshat = kstrdup(sbsp->smk_hat->smk_known, GFP_KERNEL); + if (!ctx->fshat) + return -ENOMEM; + } + + if (isp->smk_flags & SMK_INODE_TRANSMUTE) { + if (sbsp->smk_root) { + ctx->fstransmute = kstrdup(sbsp->smk_root->smk_known, GFP_KERNEL); + if (!ctx->fstransmute) + return -ENOMEM; + } + } + return 0; +} + +/** * smack_fs_context_dup - Duplicate the security data on fs_context duplication * @fc: The new filesystem context. * @src_fc: The source filesystem context being duplicated. @@ -4876,6 +4926,7 @@ static struct security_hook_list smack_hooks[] __ro_after_init = { LSM_HOOK_INIT(ptrace_traceme, smack_ptrace_traceme), LSM_HOOK_INIT(syslog, smack_syslog), + LSM_HOOK_INIT(fs_context_submount, smack_fs_context_submount), LSM_HOOK_INIT(fs_context_dup, smack_fs_context_dup), LSM_HOOK_INIT(fs_context_parse_param, smack_fs_context_parse_param), diff --git a/sound/pci/hda/patch_cs8409-tables.c b/sound/pci/hda/patch_cs8409-tables.c index b288874e401e..36b411d1a960 100644 --- a/sound/pci/hda/patch_cs8409-tables.c +++ b/sound/pci/hda/patch_cs8409-tables.c @@ -550,6 +550,10 @@ const struct snd_pci_quirk cs8409_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0C50, "Dolphin", CS8409_DOLPHIN), SND_PCI_QUIRK(0x1028, 0x0C51, "Dolphin", CS8409_DOLPHIN), SND_PCI_QUIRK(0x1028, 0x0C52, "Dolphin", CS8409_DOLPHIN), + SND_PCI_QUIRK(0x1028, 0x0C73, "Dolphin", CS8409_DOLPHIN), + SND_PCI_QUIRK(0x1028, 0x0C75, "Dolphin", CS8409_DOLPHIN), + SND_PCI_QUIRK(0x1028, 0x0C7D, "Dolphin", CS8409_DOLPHIN), + SND_PCI_QUIRK(0x1028, 0x0C7F, "Dolphin", CS8409_DOLPHIN), {} /* terminator */ }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 44fccfb93cff..dc7b7a407638 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9422,11 +9422,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0cbd, "Dell Oasis 13 CS MTL-U", ALC245_FIXUP_CS35L41_SPI_2), SND_PCI_QUIRK(0x1028, 0x0cbe, "Dell Oasis 13 2-IN-1 MTL-U", ALC245_FIXUP_CS35L41_SPI_2), SND_PCI_QUIRK(0x1028, 0x0cbf, "Dell Oasis 13 Low Weight MTU-L", ALC245_FIXUP_CS35L41_SPI_2), - SND_PCI_QUIRK(0x1028, 0x0cc1, "Dell Oasis 14 MTL-H/U", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x1028, 0x0cc2, "Dell Oasis 14 2-in-1 MTL-H/U", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x1028, 0x0cc3, "Dell Oasis 14 Low Weight MTL-U", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x1028, 0x0cc4, "Dell Oasis 16 MTL-H/U", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x1028, 0x0cc5, "Dell Oasis MLK 14 RPL-P", ALC287_FIXUP_CS35L41_I2C_2), + SND_PCI_QUIRK(0x1028, 0x0cc1, "Dell Oasis 14 MTL-H/U", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x1028, 0x0cc2, "Dell Oasis 14 2-in-1 MTL-H/U", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x1028, 0x0cc3, "Dell Oasis 14 Low Weight MTL-U", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x1028, 0x0cc4, "Dell Oasis 16 MTL-H/U", ALC245_FIXUP_CS35L41_SPI_2), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -9617,7 +9616,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8b96, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), SND_PCI_QUIRK(0x103c, 0x8b97, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), SND_PCI_QUIRK(0x103c, 0x8bf0, "HP", ALC236_FIXUP_HP_GPIO_LED), - SND_PCI_QUIRK(0x103c, 0x8c26, "HP HP EliteBook 800G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c46, "HP EliteBook 830 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c47, "HP EliteBook 840 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c48, "HP EliteBook 860 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c49, "HP Elite x360 830 2-in-1 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c70, "HP EliteBook 835 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c71, "HP EliteBook 845 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c72, "HP EliteBook 865 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED), SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300), SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -10638,6 +10643,7 @@ static int patch_alc269(struct hda_codec *codec) spec = codec->spec; spec->gen.shared_mic_vref_pin = 0x18; codec->power_save_node = 0; + spec->en_3kpull_low = true; #ifdef CONFIG_PM codec->patch_ops.suspend = alc269_suspend; @@ -10720,14 +10726,16 @@ static int patch_alc269(struct hda_codec *codec) spec->shutup = alc256_shutup; spec->init_hook = alc256_init; spec->gen.mixer_nid = 0; /* ALC256 does not have any loopback mixer path */ - if (codec->bus->pci->vendor == PCI_VENDOR_ID_AMD) - spec->en_3kpull_low = true; + if (codec->core.vendor_id == 0x10ec0236 && + codec->bus->pci->vendor != PCI_VENDOR_ID_AMD) + spec->en_3kpull_low = false; break; case 0x10ec0257: spec->codec_variant = ALC269_TYPE_ALC257; spec->shutup = alc256_shutup; spec->init_hook = alc256_init; spec->gen.mixer_nid = 0; + spec->en_3kpull_low = false; break; case 0x10ec0215: case 0x10ec0245: diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index b033bd290940..48444dda44de 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -152,8 +152,8 @@ static inline int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, i void snd_ymfpci_free_gameport(struct snd_ymfpci *chip) { } #endif /* SUPPORT_JOYSTICK */ -static int snd_card_ymfpci_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) +static int __snd_card_ymfpci_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) { static int dev; struct snd_card *card; @@ -348,6 +348,12 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, return 0; } +static int snd_card_ymfpci_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + return snd_card_free_on_error(&pci->dev, __snd_card_ymfpci_probe(pci, pci_id)); +} + static struct pci_driver ymfpci_driver = { .name = KBUILD_MODNAME, .id_table = snd_ymfpci_ids, diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c index a2fe3bd4f9a1..b304b3562c82 100644 --- a/sound/soc/amd/yc/acp6x-mach.c +++ b/sound/soc/amd/yc/acp6x-mach.c @@ -217,7 +217,7 @@ static const struct dmi_system_id yc_acp_quirk_table[] = { .driver_data = &acp6x_card, .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "82"), + DMI_MATCH(DMI_PRODUCT_NAME, "82V2"), } }, { @@ -251,6 +251,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = { { .driver_data = &acp6x_card, .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "M6500RC"), + } + }, + { + .driver_data = &acp6x_card, + .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Alienware"), DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m17 R5 AMD"), } diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index 6ac501f008ec..8a879b6f4829 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -168,7 +168,7 @@ static int cs35l41_get_fs_mon_config_index(int freq) static const DECLARE_TLV_DB_RANGE(dig_vol_tlv, 0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 1, 913, TLV_DB_MINMAX_ITEM(-10200, 1200)); -static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1); +static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 50, 100, 0); static const struct snd_kcontrol_new dre_ctrl = SOC_DAPM_SINGLE("Switch", CS35L41_PWR_CTRL3, 20, 1, 0); diff --git a/sound/soc/codecs/cs35l56-i2c.c b/sound/soc/codecs/cs35l56-i2c.c index ed2a41943d97..40666e6698ba 100644 --- a/sound/soc/codecs/cs35l56-i2c.c +++ b/sound/soc/codecs/cs35l56-i2c.c @@ -62,10 +62,19 @@ static const struct i2c_device_id cs35l56_id_i2c[] = { }; MODULE_DEVICE_TABLE(i2c, cs35l56_id_i2c); +#ifdef CONFIG_ACPI +static const struct acpi_device_id cs35l56_asoc_acpi_match[] = { + { "CSC355C", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match); +#endif + static struct i2c_driver cs35l56_i2c_driver = { .driver = { .name = "cs35l56", .pm = &cs35l56_pm_ops_i2c_spi, + .acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match), }, .id_table = cs35l56_id_i2c, .probe = cs35l56_i2c_probe, diff --git a/sound/soc/codecs/cs35l56-spi.c b/sound/soc/codecs/cs35l56-spi.c index 996aab10500e..302f9c47407a 100644 --- a/sound/soc/codecs/cs35l56-spi.c +++ b/sound/soc/codecs/cs35l56-spi.c @@ -59,10 +59,19 @@ static const struct spi_device_id cs35l56_id_spi[] = { }; MODULE_DEVICE_TABLE(spi, cs35l56_id_spi); +#ifdef CONFIG_ACPI +static const struct acpi_device_id cs35l56_asoc_acpi_match[] = { + { "CSC355C", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match); +#endif + static struct spi_driver cs35l56_spi_driver = { .driver = { .name = "cs35l56", .pm = &cs35l56_pm_ops_i2c_spi, + .acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match), }, .id_table = cs35l56_id_spi, .probe = cs35l56_spi_probe, diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index c03f9d3c9a13..fd06b9f9d496 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -5,7 +5,6 @@ // Copyright (C) 2023 Cirrus Logic, Inc. and // Cirrus Logic International Semiconductor Ltd. -#include <linux/acpi.h> #include <linux/completion.h> #include <linux/debugfs.h> #include <linux/delay.h> @@ -1354,26 +1353,22 @@ static int cs35l56_dsp_init(struct cs35l56_private *cs35l56) return 0; } -static int cs35l56_acpi_get_name(struct cs35l56_private *cs35l56) +static int cs35l56_get_firmware_uid(struct cs35l56_private *cs35l56) { - acpi_handle handle = ACPI_HANDLE(cs35l56->dev); - const char *sub; + struct device *dev = cs35l56->dev; + const char *prop; + int ret; - /* If there is no ACPI_HANDLE, there is no ACPI for this system, return 0 */ - if (!handle) + ret = device_property_read_string(dev, "cirrus,firmware-uid", &prop); + /* If bad sw node property, return 0 and fallback to legacy firmware path */ + if (ret < 0) return 0; - sub = acpi_get_subsystem_id(handle); - if (IS_ERR(sub)) { - /* If bad ACPI, return 0 and fallback to legacy firmware path, otherwise fail */ - if (PTR_ERR(sub) == -ENODATA) - return 0; - else - return PTR_ERR(sub); - } + cs35l56->dsp.system_name = devm_kstrdup(dev, prop, GFP_KERNEL); + if (cs35l56->dsp.system_name == NULL) + return -ENOMEM; - cs35l56->dsp.system_name = sub; - dev_dbg(cs35l56->dev, "Subsystem ID: %s\n", cs35l56->dsp.system_name); + dev_dbg(dev, "Firmware UID: %s\n", cs35l56->dsp.system_name); return 0; } @@ -1417,7 +1412,7 @@ int cs35l56_common_probe(struct cs35l56_private *cs35l56) gpiod_set_value_cansleep(cs35l56->reset_gpio, 1); } - ret = cs35l56_acpi_get_name(cs35l56); + ret = cs35l56_get_firmware_uid(cs35l56); if (ret != 0) goto err; @@ -1604,8 +1599,6 @@ void cs35l56_remove(struct cs35l56_private *cs35l56) regcache_cache_only(cs35l56->regmap, true); - kfree(cs35l56->dsp.system_name); - gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); } diff --git a/sound/soc/codecs/max98363.c b/sound/soc/codecs/max98363.c index b5c69bba0e48..2dfaf4fcfbd3 100644 --- a/sound/soc/codecs/max98363.c +++ b/sound/soc/codecs/max98363.c @@ -185,10 +185,10 @@ static int max98363_io_init(struct sdw_slave *slave) pm_runtime_get_noresume(dev); ret = regmap_read(max98363->regmap, MAX98363_R21FF_REV_ID, ®); - if (!ret) { + if (!ret) dev_info(dev, "Revision ID: %X\n", reg); - return ret; - } + else + goto out; if (max98363->first_hw_init) { regcache_cache_bypass(max98363->regmap, false); @@ -198,10 +198,11 @@ static int max98363_io_init(struct sdw_slave *slave) max98363->first_hw_init = true; max98363->hw_init = true; +out: pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); - return 0; + return ret; } #define MAX98363_RATES SNDRV_PCM_RATE_8000_192000 diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c index f43520ca3187..e566c8ddd3e9 100644 --- a/sound/soc/codecs/rt1308-sdw.c +++ b/sound/soc/codecs/rt1308-sdw.c @@ -52,6 +52,7 @@ static bool rt1308_volatile_register(struct device *dev, unsigned int reg) case 0x300a: case 0xc000: case 0xc710: + case 0xcf01: case 0xc860 ... 0xc863: case 0xc870 ... 0xc873: return true; @@ -213,7 +214,7 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave) { struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev); int ret = 0; - unsigned int tmp; + unsigned int tmp, hibernation_flag; if (rt1308->hw_init) return 0; @@ -242,6 +243,10 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave) pm_runtime_get_noresume(&slave->dev); + regmap_read(rt1308->regmap, 0xcf01, &hibernation_flag); + if ((hibernation_flag != 0x00) && rt1308->first_hw_init) + goto _preset_ready_; + /* sw reset */ regmap_write(rt1308->regmap, RT1308_SDW_RESET, 0); @@ -282,6 +287,12 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave) regmap_write(rt1308->regmap, 0xc100, 0xd7); regmap_write(rt1308->regmap, 0xc101, 0xd7); + /* apply BQ params */ + rt1308_apply_bq_params(rt1308); + + regmap_write(rt1308->regmap, 0xcf01, 0x01); + +_preset_ready_: if (rt1308->first_hw_init) { regcache_cache_bypass(rt1308->regmap, false); regcache_mark_dirty(rt1308->regmap); diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c index 83c367af91da..525713c33d71 100644 --- a/sound/soc/codecs/rt5665.c +++ b/sound/soc/codecs/rt5665.c @@ -4472,6 +4472,8 @@ static void rt5665_remove(struct snd_soc_component *component) struct rt5665_priv *rt5665 = snd_soc_component_get_drvdata(component); regmap_write(rt5665->regmap, RT5665_RESET, 0); + + regulator_bulk_disable(ARRAY_SIZE(rt5665->supplies), rt5665->supplies); } #ifdef CONFIG_PM diff --git a/sound/soc/codecs/tas2781-comlib.c b/sound/soc/codecs/tas2781-comlib.c index a88c6c28a394..ffb26e4a7e2f 100644 --- a/sound/soc/codecs/tas2781-comlib.c +++ b/sound/soc/codecs/tas2781-comlib.c @@ -57,16 +57,17 @@ static int tasdevice_change_chn_book(struct tasdevice_priv *tas_priv, if (client->addr != tasdev->dev_addr) { client->addr = tasdev->dev_addr; - if (tasdev->cur_book == book) { - ret = regmap_write(map, - TASDEVICE_PAGE_SELECT, 0); - if (ret < 0) { - dev_err(tas_priv->dev, "%s, E=%d\n", - __func__, ret); - goto out; - } + /* All tas2781s share the same regmap, clear the page + * inside regmap once switching to another tas2781. + * Register 0 at any pages and any books inside tas2781 + * is the same one for page-switching. + */ + ret = regmap_write(map, TASDEVICE_PAGE_SELECT, 0); + if (ret < 0) { + dev_err(tas_priv->dev, "%s, E=%d\n", + __func__, ret); + goto out; } - goto out; } if (tasdev->cur_book != book) { diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 3f08082a55be..9d01225dedd9 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause // Copyright 2018 NXP #include <linux/bitfield.h> @@ -1254,4 +1254,4 @@ module_platform_driver(fsl_micfil_driver); MODULE_AUTHOR("Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>"); MODULE_DESCRIPTION("NXP PDM Microphone Interface (MICFIL) driver"); -MODULE_LICENSE("GPL v2"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/sound/soc/fsl/fsl_micfil.h b/sound/soc/fsl/fsl_micfil.h index 9237a1c4cb8f..fee9fe3d9119 100644 --- a/sound/soc/fsl/fsl_micfil.h +++ b/sound/soc/fsl/fsl_micfil.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * PDM Microphone Interface for the NXP i.MX SoC * Copyright 2018 NXP diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index dbee8c98ff01..0201029899ca 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -476,7 +476,7 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Lunar Lake Client Platform"), }, - .driver_data = (void *)(RT711_JD2_100K), + .driver_data = (void *)(RT711_JD2), }, {} }; diff --git a/sound/soc/intel/boards/sof_sdw_cs42l42.c b/sound/soc/intel/boards/sof_sdw_cs42l42.c index c4a16e4c9f69..ad130d913415 100644 --- a/sound/soc/intel/boards/sof_sdw_cs42l42.c +++ b/sound/soc/intel/boards/sof_sdw_cs42l42.c @@ -99,9 +99,9 @@ static int cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd) jack = &ctx->sdw_headset; snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); - snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); - snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); - snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); + snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); + snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); + snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); ret = snd_soc_component_set_jack(component, jack, NULL); diff --git a/sound/soc/meson/axg-tdm-formatter.c b/sound/soc/meson/axg-tdm-formatter.c index 9883dc777f63..63333a2b0a9c 100644 --- a/sound/soc/meson/axg-tdm-formatter.c +++ b/sound/soc/meson/axg-tdm-formatter.c @@ -30,27 +30,32 @@ int axg_tdm_formatter_set_channel_masks(struct regmap *map, struct axg_tdm_stream *ts, unsigned int offset) { - unsigned int val, ch = ts->channels; - unsigned long mask; - int i, j; + unsigned int ch = ts->channels; + u32 val[AXG_TDM_NUM_LANES]; + int i, j, k; + + /* + * We need to mimick the slot distribution used by the HW to keep the + * channel placement consistent regardless of the number of channel + * in the stream. This is why the odd algorithm below is used. + */ + memset(val, 0, sizeof(*val) * AXG_TDM_NUM_LANES); /* * Distribute the channels of the stream over the available slots - * of each TDM lane + * of each TDM lane. We need to go over the 32 slots ... */ - for (i = 0; i < AXG_TDM_NUM_LANES; i++) { - val = 0; - mask = ts->mask[i]; - - for (j = find_first_bit(&mask, 32); - (j < 32) && ch; - j = find_next_bit(&mask, 32, j + 1)) { - val |= 1 << j; - ch -= 1; + for (i = 0; (i < 32) && ch; i += 2) { + /* ... of all the lanes ... */ + for (j = 0; j < AXG_TDM_NUM_LANES; j++) { + /* ... then distribute the channels in pairs */ + for (k = 0; k < 2; k++) { + if ((BIT(i + k) & ts->mask[j]) && ch) { + val[j] |= BIT(i + k); + ch -= 1; + } + } } - - regmap_write(map, offset, val); - offset += regmap_get_reg_stride(map); } /* @@ -63,6 +68,11 @@ int axg_tdm_formatter_set_channel_masks(struct regmap *map, return -EINVAL; } + for (i = 0; i < AXG_TDM_NUM_LANES; i++) { + regmap_write(map, offset, val[i]); + offset += regmap_get_reg_stride(map); + } + return 0; } EXPORT_SYMBOL_GPL(axg_tdm_formatter_set_channel_masks); diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 8896227e4fb7..3aa6b988cb4b 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -38,6 +38,7 @@ static inline int _soc_pcm_ret(struct snd_soc_pcm_runtime *rtd, switch (ret) { case -EPROBE_DEFER: case -ENOTSUPP: + case -EINVAL: break; default: dev_err(rtd->dev, @@ -2466,8 +2467,11 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream) /* there is no point preparing this FE if there are no BEs */ if (list_empty(&fe->dpcm[stream].be_clients)) { - dev_err(fe->dev, "ASoC: no backend DAIs enabled for %s\n", - fe->dai_link->name); + /* dev_err_once() for visibility, dev_dbg() for debugging UCM profiles */ + dev_err_once(fe->dev, "ASoC: no backend DAIs enabled for %s, possibly missing ALSA mixer-based routing or UCM profile\n", + fe->dai_link->name); + dev_dbg(fe->dev, "ASoC: no backend DAIs enabled for %s\n", + fe->dai_link->name); ret = -EINVAL; goto out; } diff --git a/sound/soc/sof/intel/hda-dai-ops.c b/sound/soc/sof/intel/hda-dai-ops.c index f3513796c189..f33051eac1c0 100644 --- a/sound/soc/sof/intel/hda-dai-ops.c +++ b/sound/soc/sof/intel/hda-dai-ops.c @@ -372,6 +372,7 @@ static const struct hda_dai_widget_dma_ops hda_ipc4_chain_dma_ops = { static int hda_ipc3_post_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, struct snd_pcm_substream *substream, int cmd) { + struct hdac_ext_stream *hext_stream = hda_get_hext_stream(sdev, cpu_dai, substream); struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); switch (cmd) { @@ -379,9 +380,17 @@ static int hda_ipc3_post_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *c case SNDRV_PCM_TRIGGER_STOP: { struct snd_sof_dai_config_data data = { 0 }; + int ret; data.dai_data = DMA_CHAN_INVALID; - return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_FREE, &data); + ret = hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_FREE, &data); + if (ret < 0) + return ret; + + if (cmd == SNDRV_PCM_TRIGGER_STOP) + return hda_link_dma_cleanup(substream, hext_stream, cpu_dai); + + break; } case SNDRV_PCM_TRIGGER_PAUSE_PUSH: return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_PAUSE, NULL); diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 3297dea493aa..863865f3d77e 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -107,9 +107,8 @@ hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai return sdai->platform_private; } -static int hda_link_dma_cleanup(struct snd_pcm_substream *substream, - struct hdac_ext_stream *hext_stream, - struct snd_soc_dai *cpu_dai) +int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream, + struct snd_soc_dai *cpu_dai) { const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); struct sof_intel_hda_stream *hda_stream; diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 3f7c6fb05e5d..5b9e4ebcc18b 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -963,5 +963,7 @@ const struct hda_dai_widget_dma_ops * hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags, struct snd_sof_dai_config_data *data); +int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream, + struct snd_soc_dai *cpu_dai); #endif diff --git a/sound/soc/sof/ipc3.c b/sound/soc/sof/ipc3.c index 2c5aac31e8b0..580960ff273d 100644 --- a/sound/soc/sof/ipc3.c +++ b/sound/soc/sof/ipc3.c @@ -1001,7 +1001,7 @@ void sof_ipc3_do_rx_work(struct snd_sof_dev *sdev, struct sof_ipc_cmd_hdr *hdr, ipc3_log_header(sdev->dev, "ipc rx", hdr->cmd); - if (hdr->size < sizeof(hdr) || hdr->size > SOF_IPC_MSG_MAX_SIZE) { + if (hdr->size < sizeof(*hdr) || hdr->size > SOF_IPC_MSG_MAX_SIZE) { dev_err(sdev->dev, "The received message size is invalid: %u\n", hdr->size); return; diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c index 0c905bd0fab4..027416eb2f50 100644 --- a/sound/soc/sof/ipc4-pcm.c +++ b/sound/soc/sof/ipc4-pcm.c @@ -708,6 +708,9 @@ static int sof_ipc4_pcm_hw_params(struct snd_soc_component *component, struct snd_sof_pcm *spcm; spcm = snd_sof_find_spcm_dai(component, rtd); + if (!spcm) + return -EINVAL; + time_info = spcm->stream[substream->stream].private; /* delay calculation is not supported by current fw_reg ABI */ if (!time_info) diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index a4e1a70b607d..11361e1cd688 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1731,6 +1731,9 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget, *ipc_config_size = ipc_size; + /* update pipeline memory usage */ + sof_ipc4_update_resource_usage(sdev, swidget, &copier_data->base_config); + /* copy IPC data */ memcpy(*ipc_config_data, (void *)copier_data, sizeof(*copier_data)); if (gtw_cfg_config_length) @@ -1743,9 +1746,6 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget, gtw_cfg_config_length, &ipc4_copier->dma_config_tlv, dma_config_tlv_size); - /* update pipeline memory usage */ - sof_ipc4_update_resource_usage(sdev, swidget, &copier_data->base_config); - return 0; } diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index efb4a3311cc5..5d72dc8441cb 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -4507,6 +4507,35 @@ YAMAHA_DEVICE(0x7010, "UB99"), } } }, +{ + /* Advanced modes of the Mythware XA001AU. + * For the standard mode, Mythware XA001AU has ID ffad:a001 + */ + USB_DEVICE_VENDOR_SPEC(0xffad, 0xa001), + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { + .vendor_name = "Mythware", + .product_name = "XA001AU", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_IGNORE_INTERFACE, + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE, + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE, + }, + { + .ifnum = -1 + } + } + } +}, #undef USB_DEVICE_VENDOR_SPEC #undef USB_AUDIO_DEVICE diff --git a/tools/arch/arm64/include/uapi/asm/bitsperlong.h b/tools/arch/arm64/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..485d60bee26c --- /dev/null +++ b/tools/arch/arm64/include/uapi/asm/bitsperlong.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_BITSPERLONG_H +#define __ASM_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_BITSPERLONG_H */ diff --git a/tools/arch/riscv/include/uapi/asm/bitsperlong.h b/tools/arch/riscv/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..0b9b58b57ff6 --- /dev/null +++ b/tools/arch/riscv/include/uapi/asm/bitsperlong.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2012 ARM Ltd. + * Copyright (C) 2015 Regents of the University of California + */ + +#ifndef _UAPI_ASM_RISCV_BITSPERLONG_H +#define _UAPI_ASM_RISCV_BITSPERLONG_H + +#define __BITS_PER_LONG (__SIZEOF_POINTER__ * 8) + +#include <asm-generic/bitsperlong.h> + +#endif /* _UAPI_ASM_RISCV_BITSPERLONG_H */ diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h index cb8ca46213be..1f6d904c6481 100644 --- a/tools/arch/x86/include/asm/cpufeatures.h +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -14,7 +14,7 @@ * Defines x86 CPU feature bits */ #define NCAPINTS 21 /* N 32-bit words worth of info */ -#define NBUGINTS 1 /* N 32-bit bug flags */ +#define NBUGINTS 2 /* N 32-bit bug flags */ /* * Note: If the comment begins with a quoted string, that string is used diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h index 3aedae61af4f..a00a53e15ab7 100644 --- a/tools/arch/x86/include/asm/msr-index.h +++ b/tools/arch/x86/include/asm/msr-index.h @@ -545,6 +545,7 @@ #define MSR_AMD64_DE_CFG 0xc0011029 #define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT 1 #define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE BIT_ULL(MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT) +#define MSR_AMD64_DE_CFG_ZEN2_FP_BACKUP_FIX_BIT 9 #define MSR_AMD64_BU_CFG2 0xc001102a #define MSR_AMD64_IBSFETCHCTL 0xc0011030 diff --git a/tools/counter/Makefile b/tools/counter/Makefile index a0f4cab71fe5..b2c2946f44c9 100644 --- a/tools/counter/Makefile +++ b/tools/counter/Makefile @@ -40,7 +40,8 @@ $(OUTPUT)counter_example: $(COUNTER_EXAMPLE) clean: rm -f $(ALL_PROGRAMS) rm -rf $(OUTPUT)include/linux/counter.h - rmdir -p $(OUTPUT)include/linux + rm -df $(OUTPUT)include/linux + rm -df $(OUTPUT)include find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete install: $(ALL_PROGRAMS) diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 2e1caabecb18..c0f25d00181e 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -826,3 +826,9 @@ bool arch_is_rethunk(struct symbol *sym) { return !strcmp(sym->name, "__x86_return_thunk"); } + +bool arch_is_embedded_insn(struct symbol *sym) +{ + return !strcmp(sym->name, "retbleed_return_thunk") || + !strcmp(sym->name, "srso_safe_ret"); +} diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 8936a05f0e5a..1384090530db 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -389,7 +389,7 @@ static int decode_instructions(struct objtool_file *file) if (!strcmp(sec->name, ".noinstr.text") || !strcmp(sec->name, ".entry.text") || !strcmp(sec->name, ".cpuidle.text") || - !strncmp(sec->name, ".text.__x86.", 12)) + !strncmp(sec->name, ".text..__x86.", 13)) sec->noinstr = true; /* @@ -455,7 +455,7 @@ static int decode_instructions(struct objtool_file *file) return -1; } - if (func->return_thunk || func->alias != func) + if (func->embedded_insn || func->alias != func) continue; if (!find_insn(file, sec, func->offset)) { @@ -1288,16 +1288,33 @@ static int add_ignore_alternatives(struct objtool_file *file) return 0; } +/* + * Symbols that replace INSN_CALL_DYNAMIC, every (tail) call to such a symbol + * will be added to the .retpoline_sites section. + */ __weak bool arch_is_retpoline(struct symbol *sym) { return false; } +/* + * Symbols that replace INSN_RETURN, every (tail) call to such a symbol + * will be added to the .return_sites section. + */ __weak bool arch_is_rethunk(struct symbol *sym) { return false; } +/* + * Symbols that are embedded inside other instructions, because sometimes crazy + * code exists. These are mostly ignored for validation purposes. + */ +__weak bool arch_is_embedded_insn(struct symbol *sym) +{ + return false; +} + static struct reloc *insn_reloc(struct objtool_file *file, struct instruction *insn) { struct reloc *reloc; @@ -1576,14 +1593,14 @@ static int add_jump_destinations(struct objtool_file *file) struct symbol *sym = find_symbol_by_offset(dest_sec, dest_off); /* - * This is a special case for zen_untrain_ret(). + * This is a special case for retbleed_untrain_ret(). * It jumps to __x86_return_thunk(), but objtool * can't find the thunk's starting RET * instruction, because the RET is also in the * middle of another instruction. Objtool only * knows about the outer instruction. */ - if (sym && sym->return_thunk) { + if (sym && sym->embedded_insn) { add_return_call(file, insn, false); continue; } @@ -2502,6 +2519,9 @@ static int classify_symbols(struct objtool_file *file) if (arch_is_rethunk(func)) func->return_thunk = true; + if (arch_is_embedded_insn(func)) + func->embedded_insn = true; + if (arch_ftrace_match(func->name)) func->fentry = true; @@ -2630,12 +2650,17 @@ static int decode_sections(struct objtool_file *file) return 0; } -static bool is_fentry_call(struct instruction *insn) +static bool is_special_call(struct instruction *insn) { - if (insn->type == INSN_CALL && - insn_call_dest(insn) && - insn_call_dest(insn)->fentry) - return true; + if (insn->type == INSN_CALL) { + struct symbol *dest = insn_call_dest(insn); + + if (!dest) + return false; + + if (dest->fentry || dest->embedded_insn) + return true; + } return false; } @@ -3636,7 +3661,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func, if (ret) return ret; - if (opts.stackval && func && !is_fentry_call(insn) && + if (opts.stackval && func && !is_special_call(insn) && !has_valid_stack_frame(&state)) { WARN_INSN(insn, "call without frame pointer save/setup"); return 1; diff --git a/tools/objtool/include/objtool/arch.h b/tools/objtool/include/objtool/arch.h index 2b6d2ce4f9a5..0b303eba660e 100644 --- a/tools/objtool/include/objtool/arch.h +++ b/tools/objtool/include/objtool/arch.h @@ -90,6 +90,7 @@ int arch_decode_hint_reg(u8 sp_reg, int *base); bool arch_is_retpoline(struct symbol *sym); bool arch_is_rethunk(struct symbol *sym); +bool arch_is_embedded_insn(struct symbol *sym); int arch_rewrite_retpolines(struct objtool_file *file); diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h index c532d70864dc..9f71e988eca4 100644 --- a/tools/objtool/include/objtool/elf.h +++ b/tools/objtool/include/objtool/elf.h @@ -66,6 +66,7 @@ struct symbol { u8 fentry : 1; u8 profiling_func : 1; u8 warned : 1; + u8 embedded_insn : 1; struct list_head pv_target; struct reloc *relocs; }; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 4e62843d51b7..f4cb41ee23cd 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -45,7 +45,6 @@ static void __machine__remove_thread(struct machine *machine, struct thread_rb_node *nd, struct thread *th, bool lock); -static int append_inlines(struct callchain_cursor *cursor, struct map_symbol *ms, u64 ip); static struct dso *machine__kernel_dso(struct machine *machine) { @@ -2385,10 +2384,6 @@ static int add_callchain_ip(struct thread *thread, ms.maps = maps__get(al.maps); ms.map = map__get(al.map); ms.sym = al.sym; - - if (!branch && append_inlines(cursor, &ms, ip) == 0) - goto out; - srcline = callchain_srcline(&ms, al.addr); err = callchain_cursor_append(cursor, ip, &ms, branch, flags, nr_loop_iter, diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 7329b3340f88..d45d5dcb0e2b 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -931,6 +931,11 @@ static bool should_skip_zero_counter(struct perf_stat_config *config, */ if (config->aggr_mode == AGGR_THREAD && config->system_wide) return true; + + /* Tool events have the software PMU but are only gathered on 1. */ + if (evsel__is_tool(counter)) + return true; + /* * Skip value 0 when it's an uncore event and the given aggr id * does not belong to the PMU cpumask. diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c index 374d142e7390..c6a0a27b12c2 100644 --- a/tools/perf/util/thread-stack.c +++ b/tools/perf/util/thread-stack.c @@ -1038,9 +1038,7 @@ static int thread_stack__trace_end(struct thread_stack *ts, static bool is_x86_retpoline(const char *name) { - const char *p = strstr(name, "__x86_indirect_thunk_"); - - return p == name || !strcmp(name, "__indirect_thunk_start"); + return strstr(name, "__x86_indirect_thunk_") == name; } /* diff --git a/tools/testing/radix-tree/regression1.c b/tools/testing/radix-tree/regression1.c index a61c7bcbc72d..63f468bf8245 100644 --- a/tools/testing/radix-tree/regression1.c +++ b/tools/testing/radix-tree/regression1.c @@ -177,7 +177,7 @@ void regression1_test(void) nr_threads = 2; pthread_barrier_init(&worker_barrier, NULL, nr_threads); - threads = malloc(nr_threads * sizeof(pthread_t *)); + threads = malloc(nr_threads * sizeof(*threads)); for (i = 0; i < nr_threads; i++) { arg = i; diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 666b56f22a41..8dca8acdb671 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -18,6 +18,7 @@ TARGETS += drivers/net/bonding TARGETS += drivers/net/team TARGETS += efivarfs TARGETS += exec +TARGETS += fchmodat2 TARGETS += filesystems TARGETS += filesystems/binderfs TARGETS += filesystems/epoll diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index b4f6f3a50ae5..5674a9d0cacf 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -869,6 +869,77 @@ static void test_msg_redir_to_listening(struct test_sockmap_listen *skel, xbpf_prog_detach2(verdict, sock_map, BPF_SK_MSG_VERDICT); } +static void redir_partial(int family, int sotype, int sock_map, int parser_map) +{ + int s, c0, c1, p0, p1; + int err, n, key, value; + char buf[] = "abc"; + + key = 0; + value = sizeof(buf) - 1; + err = xbpf_map_update_elem(parser_map, &key, &value, 0); + if (err) + return; + + s = socket_loopback(family, sotype | SOCK_NONBLOCK); + if (s < 0) + goto clean_parser_map; + + err = create_socket_pairs(s, family, sotype, &c0, &c1, &p0, &p1); + if (err) + goto close_srv; + + err = add_to_sockmap(sock_map, p0, p1); + if (err) + goto close; + + n = xsend(c1, buf, sizeof(buf), 0); + if (n < sizeof(buf)) + FAIL("incomplete write"); + + n = xrecv_nonblock(c0, buf, sizeof(buf), 0); + if (n != sizeof(buf) - 1) + FAIL("expect %zu, received %d", sizeof(buf) - 1, n); + +close: + xclose(c0); + xclose(p0); + xclose(c1); + xclose(p1); +close_srv: + xclose(s); + +clean_parser_map: + key = 0; + value = 0; + xbpf_map_update_elem(parser_map, &key, &value, 0); +} + +static void test_skb_redir_partial(struct test_sockmap_listen *skel, + struct bpf_map *inner_map, int family, + int sotype) +{ + int verdict = bpf_program__fd(skel->progs.prog_stream_verdict); + int parser = bpf_program__fd(skel->progs.prog_stream_parser); + int parser_map = bpf_map__fd(skel->maps.parser_map); + int sock_map = bpf_map__fd(inner_map); + int err; + + err = xbpf_prog_attach(parser, sock_map, BPF_SK_SKB_STREAM_PARSER, 0); + if (err) + return; + + err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_STREAM_VERDICT, 0); + if (err) + goto detach; + + redir_partial(family, sotype, sock_map, parser_map); + + xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_STREAM_VERDICT); +detach: + xbpf_prog_detach2(parser, sock_map, BPF_SK_SKB_STREAM_PARSER); +} + static void test_reuseport_select_listening(int family, int sotype, int sock_map, int verd_map, int reuseport_prog) @@ -1243,6 +1314,7 @@ static void test_redir(struct test_sockmap_listen *skel, struct bpf_map *map, } tests[] = { TEST(test_skb_redir_to_connected), TEST(test_skb_redir_to_listening), + TEST(test_skb_redir_partial), TEST(test_msg_redir_to_connected), TEST(test_msg_redir_to_listening), }; @@ -1432,7 +1504,7 @@ static void vsock_unix_redir_connectible(int sock_mapfd, int verd_mapfd, if (n < 1) goto out; - n = recv(mode == REDIR_INGRESS ? u0 : u1, &b, sizeof(b), MSG_DONTWAIT); + n = xrecv_nonblock(mode == REDIR_INGRESS ? u0 : u1, &b, sizeof(b), 0); if (n < 0) FAIL("%s: recv() err, errno=%d", log_prefix, errno); if (n == 0) diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_listen.c b/tools/testing/selftests/bpf/progs/test_sockmap_listen.c index 325c9f193432..464d35bd57c7 100644 --- a/tools/testing/selftests/bpf/progs/test_sockmap_listen.c +++ b/tools/testing/selftests/bpf/progs/test_sockmap_listen.c @@ -28,12 +28,26 @@ struct { __type(value, unsigned int); } verdict_map SEC(".maps"); +struct { + __uint(type, BPF_MAP_TYPE_ARRAY); + __uint(max_entries, 1); + __type(key, int); + __type(value, int); +} parser_map SEC(".maps"); + bool test_sockmap = false; /* toggled by user-space */ bool test_ingress = false; /* toggled by user-space */ SEC("sk_skb/stream_parser") int prog_stream_parser(struct __sk_buff *skb) { + int *value; + __u32 key = 0; + + value = bpf_map_lookup_elem(&parser_map, &key); + if (value && *value) + return *value; + return skb->len; } diff --git a/tools/testing/selftests/cachestat/test_cachestat.c b/tools/testing/selftests/cachestat/test_cachestat.c index 54d09b820ed4..c037553cfd92 100644 --- a/tools/testing/selftests/cachestat/test_cachestat.c +++ b/tools/testing/selftests/cachestat/test_cachestat.c @@ -4,10 +4,12 @@ #include <stdio.h> #include <stdbool.h> #include <linux/kernel.h> +#include <linux/magic.h> #include <linux/mman.h> #include <sys/mman.h> #include <sys/shm.h> #include <sys/syscall.h> +#include <sys/vfs.h> #include <unistd.h> #include <string.h> #include <fcntl.h> @@ -15,6 +17,8 @@ #include "../kselftest.h" +#define NR_TESTS 9 + static const char * const dev_files[] = { "/dev/zero", "/dev/null", "/dev/urandom", "/proc/version", "/proc" @@ -91,19 +95,33 @@ out: } /* + * fsync() is implemented via noop_fsync() on tmpfs. This makes the fsync() + * test fail below, so we need to check for test file living on a tmpfs. + */ +static bool is_on_tmpfs(int fd) +{ + struct statfs statfs_buf; + + if (fstatfs(fd, &statfs_buf)) + return false; + + return statfs_buf.f_type == TMPFS_MAGIC; +} + +/* * Open/create the file at filename, (optionally) write random data to it * (exactly num_pages), then test the cachestat syscall on this file. * * If test_fsync == true, fsync the file, then check the number of dirty * pages. */ -bool test_cachestat(const char *filename, bool write_random, bool create, - bool test_fsync, unsigned long num_pages, int open_flags, - mode_t open_mode) +static int test_cachestat(const char *filename, bool write_random, bool create, + bool test_fsync, unsigned long num_pages, + int open_flags, mode_t open_mode) { size_t PS = sysconf(_SC_PAGESIZE); int filesize = num_pages * PS; - bool ret = true; + int ret = KSFT_PASS; long syscall_ret; struct cachestat cs; struct cachestat_range cs_range = { 0, filesize }; @@ -112,7 +130,7 @@ bool test_cachestat(const char *filename, bool write_random, bool create, if (fd == -1) { ksft_print_msg("Unable to create/open file.\n"); - ret = false; + ret = KSFT_FAIL; goto out; } else { ksft_print_msg("Create/open %s\n", filename); @@ -121,7 +139,7 @@ bool test_cachestat(const char *filename, bool write_random, bool create, if (write_random) { if (!write_exactly(fd, filesize)) { ksft_print_msg("Unable to access urandom.\n"); - ret = false; + ret = KSFT_FAIL; goto out1; } } @@ -132,7 +150,7 @@ bool test_cachestat(const char *filename, bool write_random, bool create, if (syscall_ret) { ksft_print_msg("Cachestat returned non-zero.\n"); - ret = false; + ret = KSFT_FAIL; goto out1; } else { @@ -142,15 +160,17 @@ bool test_cachestat(const char *filename, bool write_random, bool create, if (cs.nr_cache + cs.nr_evicted != num_pages) { ksft_print_msg( "Total number of cached and evicted pages is off.\n"); - ret = false; + ret = KSFT_FAIL; } } } if (test_fsync) { - if (fsync(fd)) { + if (is_on_tmpfs(fd)) { + ret = KSFT_SKIP; + } else if (fsync(fd)) { ksft_print_msg("fsync fails.\n"); - ret = false; + ret = KSFT_FAIL; } else { syscall_ret = syscall(cachestat_nr, fd, &cs_range, &cs, 0); @@ -161,13 +181,13 @@ bool test_cachestat(const char *filename, bool write_random, bool create, print_cachestat(&cs); if (cs.nr_dirty) { - ret = false; + ret = KSFT_FAIL; ksft_print_msg( "Number of dirty should be zero after fsync.\n"); } } else { ksft_print_msg("Cachestat (after fsync) returned non-zero.\n"); - ret = false; + ret = KSFT_FAIL; goto out1; } } @@ -236,13 +256,29 @@ out: int main(void) { - int ret = 0; + int ret; + + ksft_print_header(); + + ret = syscall(__NR_cachestat, -1, NULL, NULL, 0); + if (ret == -1 && errno == ENOSYS) + ksft_exit_skip("cachestat syscall not available\n"); + + ksft_set_plan(NR_TESTS); + + if (ret == -1 && errno == EBADF) { + ksft_test_result_pass("bad file descriptor recognized\n"); + ret = 0; + } else { + ksft_test_result_fail("bad file descriptor ignored\n"); + ret = 1; + } for (int i = 0; i < 5; i++) { const char *dev_filename = dev_files[i]; if (test_cachestat(dev_filename, false, false, false, - 4, O_RDONLY, 0400)) + 4, O_RDONLY, 0400) == KSFT_PASS) ksft_test_result_pass("cachestat works with %s\n", dev_filename); else { ksft_test_result_fail("cachestat fails with %s\n", dev_filename); @@ -251,13 +287,27 @@ int main(void) } if (test_cachestat("tmpfilecachestat", true, true, - true, 4, O_CREAT | O_RDWR, 0400 | 0600)) + false, 4, O_CREAT | O_RDWR, 0600) == KSFT_PASS) ksft_test_result_pass("cachestat works with a normal file\n"); else { ksft_test_result_fail("cachestat fails with normal file\n"); ret = 1; } + switch (test_cachestat("tmpfilecachestat", true, true, + true, 4, O_CREAT | O_RDWR, 0600)) { + case KSFT_FAIL: + ksft_test_result_fail("cachestat fsync fails with normal file\n"); + ret = KSFT_FAIL; + break; + case KSFT_PASS: + ksft_test_result_pass("cachestat fsync works with a normal file\n"); + break; + case KSFT_SKIP: + ksft_test_result_skip("tmpfilecachestat is on tmpfs\n"); + break; + } + if (test_cachestat_shmem()) ksft_test_result_pass("cachestat works with a shmem file\n"); else { diff --git a/tools/testing/selftests/cgroup/test_kmem.c b/tools/testing/selftests/cgroup/test_kmem.c index 258ddc565deb..ed2e50bb1e76 100644 --- a/tools/testing/selftests/cgroup/test_kmem.c +++ b/tools/testing/selftests/cgroup/test_kmem.c @@ -70,12 +70,16 @@ static int test_kmem_basic(const char *root) goto cleanup; cg_write(cg, "memory.high", "1M"); + + /* wait for RCU freeing */ + sleep(1); + slab1 = cg_read_key_long(cg, "memory.stat", "slab "); - if (slab1 <= 0) + if (slab1 < 0) goto cleanup; current = cg_read_long(cg, "memory.current"); - if (current <= 0) + if (current < 0) goto cleanup; if (slab1 < slab0 / 2 && current < slab0 / 2) diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile index 03f92d7aeb19..8a72bb7de70f 100644 --- a/tools/testing/selftests/drivers/net/bonding/Makefile +++ b/tools/testing/selftests/drivers/net/bonding/Makefile @@ -9,10 +9,12 @@ TEST_PROGS := \ mode-1-recovery-updelay.sh \ mode-2-recovery-updelay.sh \ bond_options.sh \ - bond-eth-type-change.sh + bond-eth-type-change.sh \ + bond_macvlan.sh TEST_FILES := \ lag_lib.sh \ + bond_topo_2d1c.sh \ bond_topo_3d1c.sh \ net_forwarding_lib.sh diff --git a/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh b/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh index 47ab90596acb..6358df5752f9 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh @@ -57,8 +57,8 @@ ip link add name veth2-bond type veth peer name veth2-end # add ports ip link set fbond master fab-br0 -ip link set veth1-bond down master fbond -ip link set veth2-bond down master fbond +ip link set veth1-bond master fbond +ip link set veth2-bond master fbond # bring up ip link set veth1-end up diff --git a/tools/testing/selftests/drivers/net/bonding/bond_macvlan.sh b/tools/testing/selftests/drivers/net/bonding/bond_macvlan.sh new file mode 100755 index 000000000000..b609fb6231f4 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond_macvlan.sh @@ -0,0 +1,99 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test macvlan over balance-alb + +lib_dir=$(dirname "$0") +source ${lib_dir}/bond_topo_2d1c.sh + +m1_ns="m1-$(mktemp -u XXXXXX)" +m2_ns="m1-$(mktemp -u XXXXXX)" +m1_ip4="192.0.2.11" +m1_ip6="2001:db8::11" +m2_ip4="192.0.2.12" +m2_ip6="2001:db8::12" + +cleanup() +{ + ip -n ${m1_ns} link del macv0 + ip netns del ${m1_ns} + ip -n ${m2_ns} link del macv0 + ip netns del ${m2_ns} + + client_destroy + server_destroy + gateway_destroy +} + +check_connection() +{ + local ns=${1} + local target=${2} + local message=${3:-"macvlan_over_bond"} + RET=0 + + + ip netns exec ${ns} ping ${target} -c 4 -i 0.1 &>/dev/null + check_err $? "ping failed" + log_test "$mode: $message" +} + +macvlan_over_bond() +{ + local param="$1" + RET=0 + + # setup new bond mode + bond_reset "${param}" + + ip -n ${s_ns} link add link bond0 name macv0 type macvlan mode bridge + ip -n ${s_ns} link set macv0 netns ${m1_ns} + ip -n ${m1_ns} link set dev macv0 up + ip -n ${m1_ns} addr add ${m1_ip4}/24 dev macv0 + ip -n ${m1_ns} addr add ${m1_ip6}/24 dev macv0 + + ip -n ${s_ns} link add link bond0 name macv0 type macvlan mode bridge + ip -n ${s_ns} link set macv0 netns ${m2_ns} + ip -n ${m2_ns} link set dev macv0 up + ip -n ${m2_ns} addr add ${m2_ip4}/24 dev macv0 + ip -n ${m2_ns} addr add ${m2_ip6}/24 dev macv0 + + sleep 2 + + check_connection "${c_ns}" "${s_ip4}" "IPv4: client->server" + check_connection "${c_ns}" "${s_ip6}" "IPv6: client->server" + check_connection "${c_ns}" "${m1_ip4}" "IPv4: client->macvlan_1" + check_connection "${c_ns}" "${m1_ip6}" "IPv6: client->macvlan_1" + check_connection "${c_ns}" "${m2_ip4}" "IPv4: client->macvlan_2" + check_connection "${c_ns}" "${m2_ip6}" "IPv6: client->macvlan_2" + check_connection "${m1_ns}" "${m2_ip4}" "IPv4: macvlan_1->macvlan_2" + check_connection "${m1_ns}" "${m2_ip6}" "IPv6: macvlan_1->macvlan_2" + + + sleep 5 + + check_connection "${s_ns}" "${c_ip4}" "IPv4: server->client" + check_connection "${s_ns}" "${c_ip6}" "IPv6: server->client" + check_connection "${m1_ns}" "${c_ip4}" "IPv4: macvlan_1->client" + check_connection "${m1_ns}" "${c_ip6}" "IPv6: macvlan_1->client" + check_connection "${m2_ns}" "${c_ip4}" "IPv4: macvlan_2->client" + check_connection "${m2_ns}" "${c_ip6}" "IPv6: macvlan_2->client" + check_connection "${m2_ns}" "${m1_ip4}" "IPv4: macvlan_2->macvlan_2" + check_connection "${m2_ns}" "${m1_ip6}" "IPv6: macvlan_2->macvlan_2" + + ip -n ${c_ns} neigh flush dev eth0 +} + +trap cleanup EXIT + +setup_prepare +ip netns add ${m1_ns} +ip netns add ${m2_ns} + +modes="active-backup balance-tlb balance-alb" + +for mode in $modes; do + macvlan_over_bond "mode $mode" +done + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/bonding/bond_options.sh b/tools/testing/selftests/drivers/net/bonding/bond_options.sh index 607ba5c38977..c54d1697f439 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond_options.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_options.sh @@ -9,10 +9,7 @@ ALL_TESTS=" num_grat_arp " -REQUIRE_MZ=no -NUM_NETIFS=0 lib_dir=$(dirname "$0") -source ${lib_dir}/net_forwarding_lib.sh source ${lib_dir}/bond_topo_3d1c.sh skip_prio() diff --git a/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh b/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh new file mode 100644 index 000000000000..a509ef949dcf --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh @@ -0,0 +1,158 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Topology for Bond mode 1,5,6 testing +# +# +-------------------------+ +# | bond0 | Server +# | + | 192.0.2.1/24 +# | eth0 | eth1 | 2001:db8::1/24 +# | +---+---+ | +# | | | | +# +-------------------------+ +# | | +# +-------------------------+ +# | | | | +# | +---+-------+---+ | Gateway +# | | br0 | | 192.0.2.254/24 +# | +-------+-------+ | 2001:db8::254/24 +# | | | +# +-------------------------+ +# | +# +-------------------------+ +# | | | Client +# | + | 192.0.2.10/24 +# | eth0 | 2001:db8::10/24 +# +-------------------------+ + +REQUIRE_MZ=no +NUM_NETIFS=0 +lib_dir=$(dirname "$0") +source ${lib_dir}/net_forwarding_lib.sh + +s_ns="s-$(mktemp -u XXXXXX)" +c_ns="c-$(mktemp -u XXXXXX)" +g_ns="g-$(mktemp -u XXXXXX)" +s_ip4="192.0.2.1" +c_ip4="192.0.2.10" +g_ip4="192.0.2.254" +s_ip6="2001:db8::1" +c_ip6="2001:db8::10" +g_ip6="2001:db8::254" + +gateway_create() +{ + ip netns add ${g_ns} + ip -n ${g_ns} link add br0 type bridge + ip -n ${g_ns} link set br0 up + ip -n ${g_ns} addr add ${g_ip4}/24 dev br0 + ip -n ${g_ns} addr add ${g_ip6}/24 dev br0 +} + +gateway_destroy() +{ + ip -n ${g_ns} link del br0 + ip netns del ${g_ns} +} + +server_create() +{ + ip netns add ${s_ns} + ip -n ${s_ns} link add bond0 type bond mode active-backup miimon 100 + + for i in $(seq 0 1); do + ip -n ${s_ns} link add eth${i} type veth peer name s${i} netns ${g_ns} + + ip -n ${g_ns} link set s${i} up + ip -n ${g_ns} link set s${i} master br0 + ip -n ${s_ns} link set eth${i} master bond0 + + tc -n ${g_ns} qdisc add dev s${i} clsact + done + + ip -n ${s_ns} link set bond0 up + ip -n ${s_ns} addr add ${s_ip4}/24 dev bond0 + ip -n ${s_ns} addr add ${s_ip6}/24 dev bond0 + sleep 2 +} + +# Reset bond with new mode and options +bond_reset() +{ + # Count the eth link number in real-time as this function + # maybe called from other topologies. + local link_num=$(ip -n ${s_ns} -br link show | grep -c "^eth") + local param="$1" + link_num=$((link_num -1)) + + ip -n ${s_ns} link set bond0 down + ip -n ${s_ns} link del bond0 + + ip -n ${s_ns} link add bond0 type bond $param + for i in $(seq 0 ${link_num}); do + ip -n ${s_ns} link set eth$i master bond0 + done + + ip -n ${s_ns} link set bond0 up + ip -n ${s_ns} addr add ${s_ip4}/24 dev bond0 + ip -n ${s_ns} addr add ${s_ip6}/24 dev bond0 + sleep 2 +} + +server_destroy() +{ + # Count the eth link number in real-time as this function + # maybe called from other topologies. + local link_num=$(ip -n ${s_ns} -br link show | grep -c "^eth") + link_num=$((link_num -1)) + for i in $(seq 0 ${link_num}); do + ip -n ${s_ns} link del eth${i} + done + ip netns del ${s_ns} +} + +client_create() +{ + ip netns add ${c_ns} + ip -n ${c_ns} link add eth0 type veth peer name c0 netns ${g_ns} + + ip -n ${g_ns} link set c0 up + ip -n ${g_ns} link set c0 master br0 + + ip -n ${c_ns} link set eth0 up + ip -n ${c_ns} addr add ${c_ip4}/24 dev eth0 + ip -n ${c_ns} addr add ${c_ip6}/24 dev eth0 +} + +client_destroy() +{ + ip -n ${c_ns} link del eth0 + ip netns del ${c_ns} +} + +setup_prepare() +{ + gateway_create + server_create + client_create +} + +cleanup() +{ + pre_cleanup + + client_destroy + server_destroy + gateway_destroy +} + +bond_check_connection() +{ + local msg=${1:-"check connection"} + + sleep 2 + ip netns exec ${s_ns} ping ${c_ip4} -c5 -i 0.1 &>/dev/null + check_err $? "${msg}: ping failed" + ip netns exec ${s_ns} ping6 ${c_ip6} -c5 -i 0.1 &>/dev/null + check_err $? "${msg}: ping6 failed" +} diff --git a/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh b/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh index 69ab99a56043..3a1333d9a85b 100644 --- a/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh @@ -25,121 +25,19 @@ # | eth0 | 2001:db8::10/24 # +-------------------------------------+ -s_ns="s-$(mktemp -u XXXXXX)" -c_ns="c-$(mktemp -u XXXXXX)" -g_ns="g-$(mktemp -u XXXXXX)" -s_ip4="192.0.2.1" -c_ip4="192.0.2.10" -g_ip4="192.0.2.254" -s_ip6="2001:db8::1" -c_ip6="2001:db8::10" -g_ip6="2001:db8::254" - -gateway_create() -{ - ip netns add ${g_ns} - ip -n ${g_ns} link add br0 type bridge - ip -n ${g_ns} link set br0 up - ip -n ${g_ns} addr add ${g_ip4}/24 dev br0 - ip -n ${g_ns} addr add ${g_ip6}/24 dev br0 -} - -gateway_destroy() -{ - ip -n ${g_ns} link del br0 - ip netns del ${g_ns} -} - -server_create() -{ - ip netns add ${s_ns} - ip -n ${s_ns} link add bond0 type bond mode active-backup miimon 100 - - for i in $(seq 0 2); do - ip -n ${s_ns} link add eth${i} type veth peer name s${i} netns ${g_ns} - - ip -n ${g_ns} link set s${i} up - ip -n ${g_ns} link set s${i} master br0 - ip -n ${s_ns} link set eth${i} master bond0 - - tc -n ${g_ns} qdisc add dev s${i} clsact - done - - ip -n ${s_ns} link set bond0 up - ip -n ${s_ns} addr add ${s_ip4}/24 dev bond0 - ip -n ${s_ns} addr add ${s_ip6}/24 dev bond0 - sleep 2 -} - -# Reset bond with new mode and options -bond_reset() -{ - local param="$1" - - ip -n ${s_ns} link set bond0 down - ip -n ${s_ns} link del bond0 - - ip -n ${s_ns} link add bond0 type bond $param - for i in $(seq 0 2); do - ip -n ${s_ns} link set eth$i master bond0 - done - - ip -n ${s_ns} link set bond0 up - ip -n ${s_ns} addr add ${s_ip4}/24 dev bond0 - ip -n ${s_ns} addr add ${s_ip6}/24 dev bond0 - sleep 2 -} - -server_destroy() -{ - for i in $(seq 0 2); do - ip -n ${s_ns} link del eth${i} - done - ip netns del ${s_ns} -} - -client_create() -{ - ip netns add ${c_ns} - ip -n ${c_ns} link add eth0 type veth peer name c0 netns ${g_ns} - - ip -n ${g_ns} link set c0 up - ip -n ${g_ns} link set c0 master br0 - - ip -n ${c_ns} link set eth0 up - ip -n ${c_ns} addr add ${c_ip4}/24 dev eth0 - ip -n ${c_ns} addr add ${c_ip6}/24 dev eth0 -} - -client_destroy() -{ - ip -n ${c_ns} link del eth0 - ip netns del ${c_ns} -} +source bond_topo_2d1c.sh setup_prepare() { gateway_create server_create client_create -} - -cleanup() -{ - pre_cleanup - - client_destroy - server_destroy - gateway_destroy -} - -bond_check_connection() -{ - local msg=${1:-"check connection"} - sleep 2 - ip netns exec ${s_ns} ping ${c_ip4} -c5 -i 0.1 &>/dev/null - check_err $? "${msg}: ping failed" - ip netns exec ${s_ns} ping6 ${c_ip6} -c5 -i 0.1 &>/dev/null - check_err $? "${msg}: ping6 failed" + # Add the extra device as we use 3 down links for bond0 + local i=2 + ip -n ${s_ns} link add eth${i} type veth peer name s${i} netns ${g_ns} + ip -n ${g_ns} link set s${i} up + ip -n ${g_ns} link set s${i} master br0 + ip -n ${s_ns} link set eth${i} master bond0 + tc -n ${g_ns} qdisc add dev s${i} clsact } diff --git a/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh b/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh index 7d9e73a43a49..0c47faff9274 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh @@ -98,12 +98,12 @@ sb_occ_etc_check() port_pool_test() { - local exp_max_occ=288 + local exp_max_occ=$(devlink_cell_size_get) local max_occ devlink sb occupancy clearmax $DEVLINK_DEV - $MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \ + $MZ $h1 -c 1 -p 10 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \ -t ip -q devlink sb occupancy snapshot $DEVLINK_DEV @@ -126,12 +126,12 @@ port_pool_test() port_tc_ip_test() { - local exp_max_occ=288 + local exp_max_occ=$(devlink_cell_size_get) local max_occ devlink sb occupancy clearmax $DEVLINK_DEV - $MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \ + $MZ $h1 -c 1 -p 10 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \ -t ip -q devlink sb occupancy snapshot $DEVLINK_DEV @@ -154,16 +154,12 @@ port_tc_ip_test() port_tc_arp_test() { - local exp_max_occ=96 + local exp_max_occ=$(devlink_cell_size_get) local max_occ - if [[ $MLXSW_CHIP != "mlxsw_spectrum" ]]; then - exp_max_occ=144 - fi - devlink sb occupancy clearmax $DEVLINK_DEV - $MZ $h1 -c 1 -p 160 -a $h1mac -A 192.0.1.1 -t arp -q + $MZ $h1 -c 1 -p 10 -a $h1mac -A 192.0.1.1 -t arp -q devlink sb occupancy snapshot $DEVLINK_DEV diff --git a/tools/testing/selftests/fchmodat2/.gitignore b/tools/testing/selftests/fchmodat2/.gitignore new file mode 100644 index 000000000000..82a4846cbc4b --- /dev/null +++ b/tools/testing/selftests/fchmodat2/.gitignore @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +/*_test diff --git a/tools/testing/selftests/fchmodat2/Makefile b/tools/testing/selftests/fchmodat2/Makefile new file mode 100644 index 000000000000..20839f8e43f2 --- /dev/null +++ b/tools/testing/selftests/fchmodat2/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-or-later + +CFLAGS += -Wall -O2 -g -fsanitize=address -fsanitize=undefined $(KHDR_INCLUDES) +TEST_GEN_PROGS := fchmodat2_test + +include ../lib.mk diff --git a/tools/testing/selftests/fchmodat2/fchmodat2_test.c b/tools/testing/selftests/fchmodat2/fchmodat2_test.c new file mode 100644 index 000000000000..e0319417124d --- /dev/null +++ b/tools/testing/selftests/fchmodat2/fchmodat2_test.c @@ -0,0 +1,142 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#define _GNU_SOURCE +#include <fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <syscall.h> +#include <unistd.h> + +#include "../kselftest.h" + +int sys_fchmodat2(int dfd, const char *filename, mode_t mode, int flags) +{ + int ret = syscall(__NR_fchmodat2, dfd, filename, mode, flags); + + return ret >= 0 ? ret : -errno; +} + +int setup_testdir(void) +{ + int dfd, ret; + char dirname[] = "/tmp/ksft-fchmodat2.XXXXXX"; + + /* Make the top-level directory. */ + if (!mkdtemp(dirname)) + ksft_exit_fail_msg("%s: failed to create tmpdir\n", __func__); + + dfd = open(dirname, O_PATH | O_DIRECTORY); + if (dfd < 0) + ksft_exit_fail_msg("%s: failed to open tmpdir\n", __func__); + + ret = openat(dfd, "regfile", O_CREAT | O_WRONLY | O_TRUNC, 0644); + if (ret < 0) + ksft_exit_fail_msg("%s: failed to create file in tmpdir\n", + __func__); + close(ret); + + ret = symlinkat("regfile", dfd, "symlink"); + if (ret < 0) + ksft_exit_fail_msg("%s: failed to create symlink in tmpdir\n", + __func__); + + return dfd; +} + +int expect_mode(int dfd, const char *filename, mode_t expect_mode) +{ + struct stat st; + int ret = fstatat(dfd, filename, &st, AT_SYMLINK_NOFOLLOW); + + if (ret) + ksft_exit_fail_msg("%s: %s: fstatat failed\n", + __func__, filename); + + return (st.st_mode == expect_mode); +} + +void test_regfile(void) +{ + int dfd, ret; + + dfd = setup_testdir(); + + ret = sys_fchmodat2(dfd, "regfile", 0640, 0); + + if (ret < 0) + ksft_exit_fail_msg("%s: fchmodat2(noflag) failed\n", __func__); + + if (!expect_mode(dfd, "regfile", 0100640)) + ksft_exit_fail_msg("%s: wrong file mode bits after fchmodat2\n", + __func__); + + ret = sys_fchmodat2(dfd, "regfile", 0600, AT_SYMLINK_NOFOLLOW); + + if (ret < 0) + ksft_exit_fail_msg("%s: fchmodat2(AT_SYMLINK_NOFOLLOW) failed\n", + __func__); + + if (!expect_mode(dfd, "regfile", 0100600)) + ksft_exit_fail_msg("%s: wrong file mode bits after fchmodat2 with nofollow\n", + __func__); + + ksft_test_result_pass("fchmodat2(regfile)\n"); +} + +void test_symlink(void) +{ + int dfd, ret; + + dfd = setup_testdir(); + + ret = sys_fchmodat2(dfd, "symlink", 0640, 0); + + if (ret < 0) + ksft_exit_fail_msg("%s: fchmodat2(noflag) failed\n", __func__); + + if (!expect_mode(dfd, "regfile", 0100640)) + ksft_exit_fail_msg("%s: wrong file mode bits after fchmodat2\n", + __func__); + + if (!expect_mode(dfd, "symlink", 0120777)) + ksft_exit_fail_msg("%s: wrong symlink mode bits after fchmodat2\n", + __func__); + + ret = sys_fchmodat2(dfd, "symlink", 0600, AT_SYMLINK_NOFOLLOW); + + /* + * On certain filesystems (xfs or btrfs), chmod operation fails. So we + * first check the symlink target but if the operation fails we mark the + * test as skipped. + * + * https://sourceware.org/legacy-ml/libc-alpha/2020-02/msg00467.html + */ + if (ret == 0 && !expect_mode(dfd, "symlink", 0120600)) + ksft_exit_fail_msg("%s: wrong symlink mode bits after fchmodat2 with nofollow\n", + __func__); + + if (!expect_mode(dfd, "regfile", 0100640)) + ksft_exit_fail_msg("%s: wrong file mode bits after fchmodat2 with nofollow\n", + __func__); + + if (ret != 0) + ksft_test_result_skip("fchmodat2(symlink)\n"); + else + ksft_test_result_pass("fchmodat2(symlink)\n"); +} + +#define NUM_TESTS 2 + +int main(int argc, char **argv) +{ + ksft_print_header(); + ksft_set_plan(NUM_TESTS); + + test_regfile(); + test_symlink(); + + if (ksft_get_fail_cnt() + ksft_get_error_cnt() > 0) + ksft_exit_fail(); + else + ksft_exit_pass(); +} diff --git a/tools/testing/selftests/filelock/Makefile b/tools/testing/selftests/filelock/Makefile new file mode 100644 index 000000000000..478e82f8b464 --- /dev/null +++ b/tools/testing/selftests/filelock/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 + +TEST_GEN_PROGS := ofdlocks + +include ../lib.mk diff --git a/tools/testing/selftests/filelock/ofdlocks.c b/tools/testing/selftests/filelock/ofdlocks.c new file mode 100644 index 000000000000..a55b79810ab2 --- /dev/null +++ b/tools/testing/selftests/filelock/ofdlocks.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define _GNU_SOURCE +#include <fcntl.h> +#include <assert.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include "../kselftest.h" + +static int lock_set(int fd, struct flock *fl) +{ + int ret; + + fl->l_pid = 0; // needed for OFD locks + fl->l_whence = SEEK_SET; + ret = fcntl(fd, F_OFD_SETLK, fl); + if (ret) + perror("fcntl()"); + return ret; +} + +static int lock_get(int fd, struct flock *fl) +{ + int ret; + + fl->l_pid = 0; // needed for OFD locks + fl->l_whence = SEEK_SET; + ret = fcntl(fd, F_OFD_GETLK, fl); + if (ret) + perror("fcntl()"); + return ret; +} + +int main(void) +{ + int rc; + struct flock fl, fl2; + int fd = open("/tmp/aa", O_RDWR | O_CREAT | O_EXCL, 0600); + int fd2 = open("/tmp/aa", O_RDONLY); + + unlink("/tmp/aa"); + assert(fd != -1); + assert(fd2 != -1); + ksft_print_msg("[INFO] opened fds %i %i\n", fd, fd2); + + /* Set some read lock */ + fl.l_type = F_RDLCK; + fl.l_start = 5; + fl.l_len = 3; + rc = lock_set(fd, &fl); + if (rc == 0) { + ksft_print_msg + ("[SUCCESS] set OFD read lock on first fd\n"); + } else { + ksft_print_msg("[FAIL] to set OFD read lock on first fd\n"); + return -1; + } + /* Make sure read locks do not conflict on different fds. */ + fl.l_type = F_RDLCK; + fl.l_start = 5; + fl.l_len = 1; + rc = lock_get(fd2, &fl); + if (rc != 0) + return -1; + if (fl.l_type != F_UNLCK) { + ksft_print_msg("[FAIL] read locks conflicted\n"); + return -1; + } + /* Make sure read/write locks do conflict on different fds. */ + fl.l_type = F_WRLCK; + fl.l_start = 5; + fl.l_len = 1; + rc = lock_get(fd2, &fl); + if (rc != 0) + return -1; + if (fl.l_type != F_UNLCK) { + ksft_print_msg + ("[SUCCESS] read and write locks conflicted\n"); + } else { + ksft_print_msg + ("[SUCCESS] read and write locks not conflicted\n"); + return -1; + } + /* Get info about the lock on first fd. */ + fl.l_type = F_UNLCK; + fl.l_start = 5; + fl.l_len = 1; + rc = lock_get(fd, &fl); + if (rc != 0) { + ksft_print_msg + ("[FAIL] F_OFD_GETLK with F_UNLCK not supported\n"); + return -1; + } + if (fl.l_type != F_UNLCK) { + ksft_print_msg + ("[SUCCESS] F_UNLCK test returns: locked, type %i pid %i len %zi\n", + fl.l_type, fl.l_pid, fl.l_len); + } else { + ksft_print_msg + ("[FAIL] F_OFD_GETLK with F_UNLCK did not return lock info\n"); + return -1; + } + /* Try the same but by locking everything by len==0. */ + fl2.l_type = F_UNLCK; + fl2.l_start = 0; + fl2.l_len = 0; + rc = lock_get(fd, &fl2); + if (rc != 0) { + ksft_print_msg + ("[FAIL] F_OFD_GETLK with F_UNLCK not supported\n"); + return -1; + } + if (memcmp(&fl, &fl2, sizeof(fl))) { + ksft_print_msg + ("[FAIL] F_UNLCK test returns: locked, type %i pid %i len %zi\n", + fl.l_type, fl.l_pid, fl.l_len); + return -1; + } + ksft_print_msg("[SUCCESS] F_UNLCK with len==0 returned the same\n"); + /* Get info about the lock on second fd - no locks on it. */ + fl.l_type = F_UNLCK; + fl.l_start = 0; + fl.l_len = 0; + lock_get(fd2, &fl); + if (fl.l_type != F_UNLCK) { + ksft_print_msg + ("[FAIL] F_OFD_GETLK with F_UNLCK return lock info from another fd\n"); + return -1; + } + return 0; +} diff --git a/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc b/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc new file mode 100644 index 000000000000..63b76cf2a360 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc @@ -0,0 +1,31 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Snapshot and tracing_cpumask +# requires: trace_marker tracing_cpumask snapshot +# flags: instance + +# This testcase is constrived to reproduce a problem that the cpu buffers +# become unavailable which is due to 'record_disabled' of array_buffer and +# max_buffer being messed up. + +# Store origin cpumask +ORIG_CPUMASK=`cat tracing_cpumask` + +# Stop tracing all cpu +echo 0 > tracing_cpumask + +# Take a snapshot of the main buffer +echo 1 > snapshot + +# Restore origin cpumask, note that there should be some cpus being traced +echo ${ORIG_CPUMASK} > tracing_cpumask + +# Set tracing on +echo 1 > tracing_on + +# Write a log into buffer +echo "test input 1" > trace_marker + +# Ensure the log writed so that cpu buffers are still available +grep -q "test input 1" trace +exit 0 diff --git a/tools/testing/selftests/mm/hmm-tests.c b/tools/testing/selftests/mm/hmm-tests.c index 4adaad1b822f..20294553a5dd 100644 --- a/tools/testing/selftests/mm/hmm-tests.c +++ b/tools/testing/selftests/mm/hmm-tests.c @@ -57,9 +57,14 @@ enum { #define ALIGN(x, a) (((x) + (a - 1)) & (~((a) - 1))) /* Just the flags we need, copied from mm.h: */ + +#ifndef FOLL_WRITE #define FOLL_WRITE 0x01 /* check pte is writable */ -#define FOLL_LONGTERM 0x10000 /* mapping lifetime is indefinite */ +#endif +#ifndef FOLL_LONGTERM +#define FOLL_LONGTERM 0x100 /* mapping lifetime is indefinite */ +#endif FIXTURE(hmm) { int fd; diff --git a/tools/testing/selftests/mm/ksm_tests.c b/tools/testing/selftests/mm/ksm_tests.c index 435acebdc325..380b691d3eb9 100644 --- a/tools/testing/selftests/mm/ksm_tests.c +++ b/tools/testing/selftests/mm/ksm_tests.c @@ -831,6 +831,7 @@ int main(int argc, char *argv[]) printf("Size must be greater than 0\n"); return KSFT_FAIL; } + break; case 't': { int tmp = atoi(optarg); diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore index 501854a89cc0..2f9d378edec3 100644 --- a/tools/testing/selftests/net/.gitignore +++ b/tools/testing/selftests/net/.gitignore @@ -15,6 +15,7 @@ ip_local_port_range ipsec ipv6_flowlabel ipv6_flowlabel_mgr +log.txt msg_zerocopy nettest psock_fanout @@ -45,6 +46,7 @@ test_unix_oob timestamping tls toeplitz +tools tun txring_overwrite txtimestamp diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh index 0f5e88c8f4ff..df8d90b51867 100755 --- a/tools/testing/selftests/net/fib_nexthops.sh +++ b/tools/testing/selftests/net/fib_nexthops.sh @@ -1981,6 +1981,11 @@ basic() run_cmd "$IP link set dev lo up" + # Dump should not loop endlessly when maximum nexthop ID is configured. + run_cmd "$IP nexthop add id $((2**32-1)) blackhole" + run_cmd "timeout 5 $IP nexthop" + log_test $? 0 "Maximum nexthop ID dump" + # # groups # @@ -2201,6 +2206,11 @@ basic_res() run_cmd "$IP nexthop bucket list fdb" log_test $? 255 "Dump all nexthop buckets with invalid 'fdb' keyword" + # Dump should not loop endlessly when maximum nexthop ID is configured. + run_cmd "$IP nexthop add id $((2**32-1)) group 1/2 type resilient buckets 4" + run_cmd "timeout 5 $IP nexthop bucket" + log_test $? 0 "Maximum nexthop ID dump" + # # resilient nexthop buckets get requests # diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb.sh b/tools/testing/selftests/net/forwarding/bridge_mdb.sh index ae3f9462a2b6..d0c6c499d5da 100755 --- a/tools/testing/selftests/net/forwarding/bridge_mdb.sh +++ b/tools/testing/selftests/net/forwarding/bridge_mdb.sh @@ -617,7 +617,7 @@ __cfg_test_port_ip_sg() grep -q "permanent" check_err $? "Entry not added as \"permanent\" when should" bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \ - grep -q "0.00" + grep -q " 0.00" check_err $? "\"permanent\" entry has a pending group timer" bridge mdb del dev br0 port $swp1 $grp_key vid 10 @@ -626,7 +626,7 @@ __cfg_test_port_ip_sg() grep -q "temp" check_err $? "Entry not added as \"temp\" when should" bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \ - grep -q "0.00" + grep -q " 0.00" check_fail $? "\"temp\" entry has an unpending group timer" bridge mdb del dev br0 port $swp1 $grp_key vid 10 @@ -659,7 +659,7 @@ __cfg_test_port_ip_sg() grep -q "permanent" check_err $? "Entry not marked as \"permanent\" after replace" bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \ - grep -q "0.00" + grep -q " 0.00" check_err $? "Entry has a pending group timer after replace" bridge mdb replace dev br0 port $swp1 $grp_key vid 10 temp @@ -667,7 +667,7 @@ __cfg_test_port_ip_sg() grep -q "temp" check_err $? "Entry not marked as \"temp\" after replace" bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \ - grep -q "0.00" + grep -q " 0.00" check_fail $? "Entry has an unpending group timer after replace" bridge mdb del dev br0 port $swp1 $grp_key vid 10 @@ -850,6 +850,7 @@ cfg_test() __fwd_test_host_ip() { local grp=$1; shift + local dmac=$1; shift local src=$1; shift local mode=$1; shift local name @@ -872,27 +873,27 @@ __fwd_test_host_ip() # Packet should only be flooded to multicast router ports when there is # no matching MDB entry. The bridge is not configured as a multicast # router port. - $MZ $mode $h1.10 -c 1 -p 128 -A $src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $src -B $grp -t udp -q tc_check_packets "dev br0 ingress" 1 0 check_err $? "Packet locally received after flood" # Install a regular port group entry and expect the packet to not be # locally received. bridge mdb add dev br0 port $swp2 grp $grp temp vid 10 - $MZ $mode $h1.10 -c 1 -p 128 -A $src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $src -B $grp -t udp -q tc_check_packets "dev br0 ingress" 1 0 check_err $? "Packet locally received after installing a regular entry" # Add a host entry and expect the packet to be locally received. bridge mdb add dev br0 port br0 grp $grp temp vid 10 - $MZ $mode $h1.10 -c 1 -p 128 -A $src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $src -B $grp -t udp -q tc_check_packets "dev br0 ingress" 1 1 check_err $? "Packet not locally received after adding a host entry" # Remove the host entry and expect the packet to not be locally # received. bridge mdb del dev br0 port br0 grp $grp vid 10 - $MZ $mode $h1.10 -c 1 -p 128 -A $src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $src -B $grp -t udp -q tc_check_packets "dev br0 ingress" 1 1 check_err $? "Packet locally received after removing a host entry" @@ -905,8 +906,8 @@ __fwd_test_host_ip() fwd_test_host_ip() { - __fwd_test_host_ip "239.1.1.1" "192.0.2.1" "-4" - __fwd_test_host_ip "ff0e::1" "2001:db8:1::1" "-6" + __fwd_test_host_ip "239.1.1.1" "01:00:5e:01:01:01" "192.0.2.1" "-4" + __fwd_test_host_ip "ff0e::1" "33:33:00:00:00:01" "2001:db8:1::1" "-6" } fwd_test_host_l2() @@ -966,6 +967,7 @@ fwd_test_host() __fwd_test_port_ip() { local grp=$1; shift + local dmac=$1; shift local valid_src=$1; shift local invalid_src=$1; shift local mode=$1; shift @@ -999,43 +1001,43 @@ __fwd_test_port_ip() vlan_ethtype $eth_type vlan_id 10 dst_ip $grp \ src_ip $invalid_src action drop - $MZ $mode $h1.10 -c 1 -p 128 -A $valid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $valid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 1 0 check_err $? "Packet from valid source received on H2 before adding entry" - $MZ $mode $h1.10 -c 1 -p 128 -A $invalid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $invalid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 2 0 check_err $? "Packet from invalid source received on H2 before adding entry" bridge mdb add dev br0 port $swp2 grp $grp vid 10 \ filter_mode $filter_mode source_list $src_list - $MZ $mode $h1.10 -c 1 -p 128 -A $valid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $valid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 1 1 check_err $? "Packet from valid source not received on H2 after adding entry" - $MZ $mode $h1.10 -c 1 -p 128 -A $invalid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $invalid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 2 0 check_err $? "Packet from invalid source received on H2 after adding entry" bridge mdb replace dev br0 port $swp2 grp $grp vid 10 \ filter_mode exclude - $MZ $mode $h1.10 -c 1 -p 128 -A $valid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $valid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 1 2 check_err $? "Packet from valid source not received on H2 after allowing all sources" - $MZ $mode $h1.10 -c 1 -p 128 -A $invalid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $invalid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 2 1 check_err $? "Packet from invalid source not received on H2 after allowing all sources" bridge mdb del dev br0 port $swp2 grp $grp vid 10 - $MZ $mode $h1.10 -c 1 -p 128 -A $valid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $valid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 1 2 check_err $? "Packet from valid source received on H2 after deleting entry" - $MZ $mode $h1.10 -c 1 -p 128 -A $invalid_src -B $grp -t udp -q + $MZ $mode $h1.10 -a own -b $dmac -c 1 -p 128 -A $invalid_src -B $grp -t udp -q tc_check_packets "dev $h2 ingress" 2 1 check_err $? "Packet from invalid source received on H2 after deleting entry" @@ -1047,11 +1049,11 @@ __fwd_test_port_ip() fwd_test_port_ip() { - __fwd_test_port_ip "239.1.1.1" "192.0.2.1" "192.0.2.2" "-4" "exclude" - __fwd_test_port_ip "ff0e::1" "2001:db8:1::1" "2001:db8:1::2" "-6" \ + __fwd_test_port_ip "239.1.1.1" "01:00:5e:01:01:01" "192.0.2.1" "192.0.2.2" "-4" "exclude" + __fwd_test_port_ip "ff0e::1" "33:33:00:00:00:01" "2001:db8:1::1" "2001:db8:1::2" "-6" \ "exclude" - __fwd_test_port_ip "239.1.1.1" "192.0.2.1" "192.0.2.2" "-4" "include" - __fwd_test_port_ip "ff0e::1" "2001:db8:1::1" "2001:db8:1::2" "-6" \ + __fwd_test_port_ip "239.1.1.1" "01:00:5e:01:01:01" "192.0.2.1" "192.0.2.2" "-4" "include" + __fwd_test_port_ip "ff0e::1" "33:33:00:00:00:01" "2001:db8:1::1" "2001:db8:1::2" "-6" \ "include" } @@ -1127,7 +1129,7 @@ ctrl_igmpv3_is_in_test() filter_mode include source_list 192.0.2.1 # IS_IN ( 192.0.2.2 ) - $MZ $h1.10 -c 1 -A 192.0.2.1 -B 239.1.1.1 \ + $MZ $h1.10 -c 1 -a own -b 01:00:5e:01:01:01 -A 192.0.2.1 -B 239.1.1.1 \ -t ip proto=2,p=$(igmpv3_is_in_get 239.1.1.1 192.0.2.2) -q bridge -d mdb show dev br0 vid 10 | grep 239.1.1.1 | grep -q 192.0.2.2 @@ -1140,7 +1142,7 @@ ctrl_igmpv3_is_in_test() filter_mode include source_list 192.0.2.1 # IS_IN ( 192.0.2.2 ) - $MZ $h1.10 -c 1 -A 192.0.2.1 -B 239.1.1.1 \ + $MZ $h1.10 -a own -b 01:00:5e:01:01:01 -c 1 -A 192.0.2.1 -B 239.1.1.1 \ -t ip proto=2,p=$(igmpv3_is_in_get 239.1.1.1 192.0.2.2) -q bridge -d mdb show dev br0 vid 10 | grep 239.1.1.1 | grep -v "src" | \ @@ -1167,7 +1169,7 @@ ctrl_mldv2_is_in_test() # IS_IN ( 2001:db8:1::2 ) local p=$(mldv2_is_in_get fe80::1 ff0e::1 2001:db8:1::2) - $MZ -6 $h1.10 -c 1 -A fe80::1 -B ff0e::1 \ + $MZ -6 $h1.10 -a own -b 33:33:00:00:00:01 -c 1 -A fe80::1 -B ff0e::1 \ -t ip hop=1,next=0,p="$p" -q bridge -d mdb show dev br0 vid 10 | grep ff0e::1 | \ @@ -1181,7 +1183,7 @@ ctrl_mldv2_is_in_test() filter_mode include source_list 2001:db8:1::1 # IS_IN ( 2001:db8:1::2 ) - $MZ -6 $h1.10 -c 1 -A fe80::1 -B ff0e::1 \ + $MZ -6 $h1.10 -a own -b 33:33:00:00:00:01 -c 1 -A fe80::1 -B ff0e::1 \ -t ip hop=1,next=0,p="$p" -q bridge -d mdb show dev br0 vid 10 | grep ff0e::1 | grep -v "src" | \ @@ -1206,6 +1208,11 @@ ctrl_test() ctrl_mldv2_is_in_test } +if ! bridge mdb help 2>&1 | grep -q "replace"; then + echo "SKIP: iproute2 too old, missing bridge mdb replace support" + exit $ksft_skip +fi + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh b/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh index ae255b662ba3..3da9d93ab36f 100755 --- a/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh +++ b/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh @@ -252,7 +252,8 @@ ctl4_entries_add() local IPs=$(seq -f 192.0.2.%g 1 $((n - 1))) local peer=$(locus_dev_peer $locus) local GRP=239.1.1.${grp} - $MZ $peer -c 1 -A 192.0.2.1 -B $GRP \ + local dmac=01:00:5e:01:01:$(printf "%02x" $grp) + $MZ $peer -a own -b $dmac -c 1 -A 192.0.2.1 -B $GRP \ -t ip proto=2,p=$(igmpv3_is_in_get $GRP $IPs) -q sleep 1 @@ -272,7 +273,8 @@ ctl4_entries_del() local peer=$(locus_dev_peer $locus) local GRP=239.1.1.${grp} - $MZ $peer -c 1 -A 192.0.2.1 -B 224.0.0.2 \ + local dmac=01:00:5e:00:00:02 + $MZ $peer -a own -b $dmac -c 1 -A 192.0.2.1 -B 224.0.0.2 \ -t ip proto=2,p=$(igmpv2_leave_get $GRP) -q sleep 1 ! bridge mdb show dev br0 | grep -q $GRP @@ -289,8 +291,10 @@ ctl6_entries_add() local peer=$(locus_dev_peer $locus) local SIP=fe80::1 local GRP=ff0e::${grp} + local dmac=33:33:00:00:00:$(printf "%02x" $grp) local p=$(mldv2_is_in_get $SIP $GRP $IPs) - $MZ -6 $peer -c 1 -A $SIP -B $GRP -t ip hop=1,next=0,p="$p" -q + $MZ -6 $peer -a own -b $dmac -c 1 -A $SIP -B $GRP \ + -t ip hop=1,next=0,p="$p" -q sleep 1 local nn=$(bridge mdb show dev br0 | grep $GRP | wc -l) @@ -310,8 +314,10 @@ ctl6_entries_del() local peer=$(locus_dev_peer $locus) local SIP=fe80::1 local GRP=ff0e::${grp} + local dmac=33:33:00:00:00:$(printf "%02x" $grp) local p=$(mldv1_done_get $SIP $GRP) - $MZ -6 $peer -c 1 -A $SIP -B $GRP -t ip hop=1,next=0,p="$p" -q + $MZ -6 $peer -a own -b $dmac -c 1 -A $SIP -B $GRP \ + -t ip hop=1,next=0,p="$p" -q sleep 1 ! bridge mdb show dev br0 | grep -q $GRP } @@ -1328,6 +1334,11 @@ test_8021qvs() switch_destroy } +if ! bridge link help 2>&1 | grep -q "mcast_max_groups"; then + echo "SKIP: iproute2 too old, missing bridge \"mcast_max_groups\" support" + exit $ksft_skip +fi + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/net/forwarding/ethtool.sh b/tools/testing/selftests/net/forwarding/ethtool.sh index dbb9fcf759e0..aa2eafb7b243 100755 --- a/tools/testing/selftests/net/forwarding/ethtool.sh +++ b/tools/testing/selftests/net/forwarding/ethtool.sh @@ -286,6 +286,8 @@ different_speeds_autoneg_on() ethtool -s $h1 autoneg on } +skip_on_veth + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/net/forwarding/ethtool_extended_state.sh b/tools/testing/selftests/net/forwarding/ethtool_extended_state.sh index 072faa77f53b..17f89c3b7c02 100755 --- a/tools/testing/selftests/net/forwarding/ethtool_extended_state.sh +++ b/tools/testing/selftests/net/forwarding/ethtool_extended_state.sh @@ -108,6 +108,8 @@ no_cable() ip link set dev $swp3 down } +skip_on_veth + setup_prepare tests_run diff --git a/tools/testing/selftests/net/forwarding/ethtool_mm.sh b/tools/testing/selftests/net/forwarding/ethtool_mm.sh index c580ad623848..39e736f30322 100755 --- a/tools/testing/selftests/net/forwarding/ethtool_mm.sh +++ b/tools/testing/selftests/net/forwarding/ethtool_mm.sh @@ -258,11 +258,6 @@ h2_destroy() setup_prepare() { - check_ethtool_mm_support - check_tc_fp_support - require_command lldptool - bail_on_lldpad "autoconfigure the MAC Merge layer" "configure it manually" - h1=${NETIFS[p1]} h2=${NETIFS[p2]} @@ -278,6 +273,19 @@ cleanup() h1_destroy } +check_ethtool_mm_support +check_tc_fp_support +require_command lldptool +bail_on_lldpad "autoconfigure the MAC Merge layer" "configure it manually" + +for netif in ${NETIFS[@]}; do + ethtool --show-mm $netif 2>&1 &> /dev/null + if [[ $? -ne 0 ]]; then + echo "SKIP: $netif does not support MAC Merge" + exit $ksft_skip + fi +done + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh b/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh index eb9ec4a68f84..7594bbb49029 100755 --- a/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh +++ b/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh @@ -99,6 +99,8 @@ test_stats_rx() test_stats g2a rx } +skip_on_veth + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/net/forwarding/ip6_forward_instats_vrf.sh b/tools/testing/selftests/net/forwarding/ip6_forward_instats_vrf.sh index 9f5b3e2e5e95..49fa94b53a1c 100755 --- a/tools/testing/selftests/net/forwarding/ip6_forward_instats_vrf.sh +++ b/tools/testing/selftests/net/forwarding/ip6_forward_instats_vrf.sh @@ -14,6 +14,8 @@ ALL_TESTS=" NUM_NETIFS=4 source lib.sh +require_command $TROUTE6 + h1_create() { simple_if_init $h1 2001:1:1::2/64 diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 9ddb68dd6a08..f69015bf2dea 100755 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -30,6 +30,7 @@ REQUIRE_MZ=${REQUIRE_MZ:=yes} REQUIRE_MTOOLS=${REQUIRE_MTOOLS:=no} STABLE_MAC_ADDRS=${STABLE_MAC_ADDRS:=no} TCPDUMP_EXTRA_FLAGS=${TCPDUMP_EXTRA_FLAGS:=} +TROUTE6=${TROUTE6:=traceroute6} relative_path="${BASH_SOURCE%/*}" if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then @@ -163,6 +164,17 @@ check_port_mab_support() fi } +skip_on_veth() +{ + local kind=$(ip -j -d link show dev ${NETIFS[p1]} | + jq -r '.[].linkinfo.info_kind') + + if [[ $kind == veth ]]; then + echo "SKIP: Test cannot be run with veth pairs" + exit $ksft_skip + fi +} + if [[ "$(id -u)" -ne 0 ]]; then echo "SKIP: need root privileges" exit $ksft_skip @@ -225,6 +237,11 @@ create_netif_veth() for ((i = 1; i <= NUM_NETIFS; ++i)); do local j=$((i+1)) + if [ -z ${NETIFS[p$i]} ]; then + echo "SKIP: Cannot create interface. Name not specified" + exit $ksft_skip + fi + ip link show dev ${NETIFS[p$i]} &> /dev/null if [[ $? -ne 0 ]]; then ip link add ${NETIFS[p$i]} type veth \ diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh b/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh index aff88f78e339..5ea9d63915f7 100755 --- a/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh +++ b/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh @@ -72,7 +72,8 @@ test_span_gre_ttl() RET=0 - mirror_install $swp1 ingress $tundev "matchall $tcflags" + mirror_install $swp1 ingress $tundev \ + "prot ip flower $tcflags ip_prot icmp" tc filter add dev $h3 ingress pref 77 prot $prot \ flower skip_hw ip_ttl 50 action pass diff --git a/tools/testing/selftests/net/forwarding/settings b/tools/testing/selftests/net/forwarding/settings new file mode 100644 index 000000000000..e7b9417537fb --- /dev/null +++ b/tools/testing/selftests/net/forwarding/settings @@ -0,0 +1 @@ +timeout=0 diff --git a/tools/testing/selftests/net/forwarding/tc_actions.sh b/tools/testing/selftests/net/forwarding/tc_actions.sh index a96cff8e7219..b0f5e55d2d0b 100755 --- a/tools/testing/selftests/net/forwarding/tc_actions.sh +++ b/tools/testing/selftests/net/forwarding/tc_actions.sh @@ -9,6 +9,8 @@ NUM_NETIFS=4 source tc_common.sh source lib.sh +require_command ncat + tcflags="skip_hw" h1_create() @@ -220,9 +222,9 @@ mirred_egress_to_ingress_tcp_test() ip_proto icmp \ action drop - ip vrf exec v$h1 nc --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 & + ip vrf exec v$h1 ncat --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 & local rpid=$! - ip vrf exec v$h1 nc -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1 + ip vrf exec v$h1 ncat -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1 wait -n $rpid cmp -s $mirred_e2i_tf1 $mirred_e2i_tf2 check_err $? "server output check failed" diff --git a/tools/testing/selftests/net/forwarding/tc_flower.sh b/tools/testing/selftests/net/forwarding/tc_flower.sh index 683711f41aa9..b1daad19b01e 100755 --- a/tools/testing/selftests/net/forwarding/tc_flower.sh +++ b/tools/testing/selftests/net/forwarding/tc_flower.sh @@ -52,8 +52,8 @@ match_dst_mac_test() tc_check_packets "dev $h2 ingress" 101 1 check_fail $? "Matched on a wrong filter" - tc_check_packets "dev $h2 ingress" 102 1 - check_err $? "Did not match on correct filter" + tc_check_packets "dev $h2 ingress" 102 0 + check_fail $? "Did not match on correct filter" tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower @@ -78,8 +78,8 @@ match_src_mac_test() tc_check_packets "dev $h2 ingress" 101 1 check_fail $? "Matched on a wrong filter" - tc_check_packets "dev $h2 ingress" 102 1 - check_err $? "Did not match on correct filter" + tc_check_packets "dev $h2 ingress" 102 0 + check_fail $? "Did not match on correct filter" tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower diff --git a/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh b/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh index e22c2d28b6eb..20a7cb7222b8 100755 --- a/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh +++ b/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh @@ -127,6 +127,7 @@ test_l2_miss_multicast_common() local proto=$1; shift local sip=$1; shift local dip=$1; shift + local dmac=$1; shift local mode=$1; shift local name=$1; shift @@ -142,7 +143,7 @@ test_l2_miss_multicast_common() action pass # Before adding MDB entry. - $MZ $mode $h1 -t ip -A $sip -B $dip -c 1 -p 100 -q + $MZ $mode $h1 -a own -b $dmac -t ip -A $sip -B $dip -c 1 -p 100 -q tc_check_packets "dev $swp2 egress" 101 1 check_err $? "Unregistered multicast filter was not hit before adding MDB entry" @@ -153,7 +154,7 @@ test_l2_miss_multicast_common() # Adding MDB entry. bridge mdb replace dev br1 port $swp2 grp $dip permanent - $MZ $mode $h1 -t ip -A $sip -B $dip -c 1 -p 100 -q + $MZ $mode $h1 -a own -b $dmac -t ip -A $sip -B $dip -c 1 -p 100 -q tc_check_packets "dev $swp2 egress" 101 1 check_err $? "Unregistered multicast filter was hit after adding MDB entry" @@ -164,7 +165,7 @@ test_l2_miss_multicast_common() # Deleting MDB entry. bridge mdb del dev br1 port $swp2 grp $dip - $MZ $mode $h1 -t ip -A $sip -B $dip -c 1 -p 100 -q + $MZ $mode $h1 -a own -b $dmac -t ip -A $sip -B $dip -c 1 -p 100 -q tc_check_packets "dev $swp2 egress" 101 2 check_err $? "Unregistered multicast filter was not hit after deleting MDB entry" @@ -183,10 +184,11 @@ test_l2_miss_multicast_ipv4() local proto="ipv4" local sip=192.0.2.1 local dip=239.1.1.1 + local dmac=01:00:5e:01:01:01 local mode="-4" local name="IPv4" - test_l2_miss_multicast_common $proto $sip $dip $mode $name + test_l2_miss_multicast_common $proto $sip $dip $dmac $mode $name } test_l2_miss_multicast_ipv6() @@ -194,10 +196,11 @@ test_l2_miss_multicast_ipv6() local proto="ipv6" local sip=2001:db8:1::1 local dip=ff0e::1 + local dmac=33:33:00:00:00:01 local mode="-6" local name="IPv6" - test_l2_miss_multicast_common $proto $sip $dip $mode $name + test_l2_miss_multicast_common $proto $sip $dip $dmac $mode $name } test_l2_miss_multicast() diff --git a/tools/testing/selftests/net/forwarding/tc_tunnel_key.sh b/tools/testing/selftests/net/forwarding/tc_tunnel_key.sh index 5ac184d51809..5a5dd9034819 100755 --- a/tools/testing/selftests/net/forwarding/tc_tunnel_key.sh +++ b/tools/testing/selftests/net/forwarding/tc_tunnel_key.sh @@ -104,11 +104,14 @@ tunnel_key_nofrag_test() local i tc filter add dev $swp1 ingress protocol ip pref 100 handle 100 \ - flower ip_flags nofrag action drop + flower src_ip 192.0.2.1 dst_ip 192.0.2.2 ip_proto udp \ + ip_flags nofrag action drop tc filter add dev $swp1 ingress protocol ip pref 101 handle 101 \ - flower ip_flags firstfrag action drop + flower src_ip 192.0.2.1 dst_ip 192.0.2.2 ip_proto udp \ + ip_flags firstfrag action drop tc filter add dev $swp1 ingress protocol ip pref 102 handle 102 \ - flower ip_flags nofirstfrag action drop + flower src_ip 192.0.2.1 dst_ip 192.0.2.2 ip_proto udp \ + ip_flags nofirstfrag action drop # test 'nofrag' set tc filter add dev h1-et egress protocol all pref 1 handle 1 matchall $tcflags \ diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 3c2096ac97ef..d01b73a8ed0f 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -705,6 +705,7 @@ pm_nl_del_endpoint() local addr=$3 if [ $ip_mptcp -eq 1 ]; then + [ $id -ne 0 ] && addr='' ip -n $ns mptcp endpoint delete id $id $addr else ip netns exec $ns ./pm_nl_ctl del $id $addr @@ -795,10 +796,11 @@ pm_nl_check_endpoint() fi if [ $ip_mptcp -eq 1 ]; then + # get line and trim trailing whitespace line=$(ip -n $ns mptcp endpoint show $id) + line="${line% }" # the dump order is: address id flags port dev - expected_line="$addr" - [ -n "$addr" ] && expected_line="$expected_line $addr" + [ -n "$addr" ] && expected_line="$addr" expected_line="$expected_line $id" [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}" [ -n "$dev" ] && expected_line="$expected_line $dev" diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index dfe3d287f01d..f838dd370f6a 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -361,6 +361,7 @@ err_buf= tcpdump_pids= nettest_pids= socat_pids= +tmpoutfile= err() { err_buf="${err_buf}${1} @@ -951,6 +952,7 @@ cleanup() { ip link del veth_A-R1 2>/dev/null ovs-vsctl --if-exists del-port vxlan_a 2>/dev/null ovs-vsctl --if-exists del-br ovs_br0 2>/dev/null + rm -f "$tmpoutfile" } mtu() { @@ -1328,6 +1330,39 @@ test_pmtu_ipvX_over_bridged_vxlanY_or_geneveY_exception() { check_pmtu_value ${exp_mtu} "${pmtu}" "exceeding link layer MTU on bridged ${type} interface" pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})" check_pmtu_value ${exp_mtu} "${pmtu}" "exceeding link layer MTU on locally bridged ${type} interface" + + tmpoutfile=$(mktemp) + + # Flush Exceptions, retry with TCP + run_cmd ${ns_a} ip route flush cached ${dst} + run_cmd ${ns_b} ip route flush cached ${dst} + run_cmd ${ns_c} ip route flush cached ${dst} + + for target in "${ns_a}" "${ns_c}" ; do + if [ ${family} -eq 4 ]; then + TCPDST=TCP:${dst}:50000 + else + TCPDST="TCP:[${dst}]:50000" + fi + ${ns_b} socat -T 3 -u -6 TCP-LISTEN:50000 STDOUT > $tmpoutfile & + + sleep 1 + + dd if=/dev/zero of=/dev/stdout status=none bs=1M count=1 | ${target} socat -T 3 -u STDIN $TCPDST,connect-timeout=3 + + size=$(du -sb $tmpoutfile) + size=${size%%/tmp/*} + + [ $size -ne 1048576 ] && err "File size $size mismatches exepcted value in locally bridged vxlan test" && return 1 + done + + rm -f "$tmpoutfile" + + # Check that exceptions were created + pmtu="$(route_get_dst_pmtu_from_exception "${ns_c}" ${dst})" + check_pmtu_value ${exp_mtu} "${pmtu}" "tcp: exceeding link layer MTU on bridged ${type} interface" + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})" + check_pmtu_value ${exp_mtu} "${pmtu}" "tcp exceeding link layer MTU on locally bridged ${type} interface" } test_pmtu_ipv4_br_vxlan4_exception() { diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 486334981e60..970df9e55131 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -577,7 +577,6 @@ int run_syscall(int min, int max) CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); break; CASE_TEST(chdir_dot); EXPECT_SYSZR(1, chdir(".")); break; CASE_TEST(chdir_blah); EXPECT_SYSER(1, chdir("/blah"), -1, ENOENT); break; - CASE_TEST(chmod_net); EXPECT_SYSZR(proc, chmod("/proc/self/net", 0555)); break; CASE_TEST(chmod_self); EXPECT_SYSER(proc, chmod("/proc/self", 0555), -1, EPERM); break; CASE_TEST(chown_self); EXPECT_SYSER(proc, chown("/proc/self", 0, 0), -1, EPERM); break; CASE_TEST(chroot_root); EXPECT_SYSZR(euid0, chroot("/")); break; diff --git a/tools/testing/selftests/rseq/Makefile b/tools/testing/selftests/rseq/Makefile index b357ba24af06..7a957c7d459a 100644 --- a/tools/testing/selftests/rseq/Makefile +++ b/tools/testing/selftests/rseq/Makefile @@ -4,8 +4,10 @@ ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) CLANG_FLAGS += -no-integrated-as endif +top_srcdir = ../../../.. + CFLAGS += -O2 -Wall -g -I./ $(KHDR_INCLUDES) -L$(OUTPUT) -Wl,-rpath=./ \ - $(CLANG_FLAGS) + $(CLANG_FLAGS) -I$(top_srcdir)/tools/include LDLIBS += -lpthread -ldl # Own dependencies because we only want to build against 1st prerequisite, but diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c index a723da253244..96e812bdf8a4 100644 --- a/tools/testing/selftests/rseq/rseq.c +++ b/tools/testing/selftests/rseq/rseq.c @@ -31,6 +31,8 @@ #include <sys/auxv.h> #include <linux/auxvec.h> +#include <linux/compiler.h> + #include "../kselftest.h" #include "rseq.h" |