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The wording of 'scrubbing environment' implied that all environment
variables would be removed, when instead secure-execution mode only
removes a small number of environment variables. This patch updates the
wording to describe what actually occurs instead: setting AT_SECURE for
ld.so's secure-execution mode.
Link: https://gitlab.com/apparmor/apparmor/-/merge_requests/1315 is a
merge request that does similar updating for apparmor userspace.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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The macros for label combination XXX_comb are no longer used and there
are no plans to use them so remove the dead code.
Signed-off-by: John Johansen <john.johansen@canonical.com>
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In the macro definition of next_comb(), a parameter L1 is accepted,
but it is not used. Hence, it should be removed.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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After the deprecation of CONFIG_DEFAULT_SECURITY, it is no longer used
to enable and configure AppArmor. Since kernel 5.0,
`CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE` is not used either.
Instead, the CONFIG_LSM parameter manages the order and selection of LSMs.
Signed-off-by: Siddharth Menon <simeddon@gmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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The previous audit_cap cache deduping was based on the profile that was
being audited. This could cause confusion due to the deduplication then
occurring across multiple processes, which could happen if multiple
instances of binaries matched the same profile attachment (and thus ran
under the same profile) or a profile was attached to a container and its
processes.
Instead, perform audit_cap deduping over ad->subj_cred, which ensures the
deduping only occurs across a single process, instead of across all
processes that match the current one's profile.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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When auditing capabilities, AppArmor uses a per-CPU, per-profile cache
such that the same capability for the same profile doesn't get repeatedly
audited, with the original goal of reducing audit logspam. However, this
cache does not have an expiration time, resulting in confusion when a
profile is shared across binaries (for example) and an expected DENIED
audit entry doesn't appear, despite the cache entry having been populated
much longer ago. This confusion was exacerbated by the per-CPU nature of
the cache resulting in the expected entries sporadically appearing when
the later denial+audit occurred on a different CPU.
To resolve this, record the last time a capability was audited for a
profile and add a timestamp expiration check before doing the audit.
v1 -> v2:
- Hardcode a longer timeout and drop the patches making it a sysctl,
after discussion with John Johansen.
- Cache the expiration time instead of the last-audited time. This value
can never be zero, which lets us drop the kernel_cap_t caps field from
the cache struct.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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The profile_capabile function takes a struct apparmor_audit_data *ad,
which is documented as possibly being NULL. However, the single place that
calls this function never passes it a NULL ad. If we were ever to call
profile_capable with a NULL ad elsewhere, we would need to rework the
function, as its very first use of ad is to dereference ad->class without
checking if ad is NULL.
Thus, document profile_capable's ad parameter as not accepting NULL.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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Multiple profiles shared 'ent->caps', so some logs missed.
Fixes: 0ed3b28ab8bf ("AppArmor: mediation of non file objects")
Signed-off-by: chao liu <liuzgyid@outlook.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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Add a comment to unpack_perm to document the first entry in the packed
perms struct is reserved, and make a non-functional change of unpacking
to a temporary stack variable named "reserved" to help suppor the
documentation of which value is reserved.
Suggested-by: Serge E. Hallyn <serge@hallyn.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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The string allocated by kmemdup() in aa_unpack_strdup() is not
freed and cause following memory leaks, free them to fix it.
unreferenced object 0xffffff80c6af8a50 (size 8):
comm "kunit_try_catch", pid 225, jiffies 4294894407
hex dump (first 8 bytes):
74 65 73 74 69 6e 67 00 testing.
backtrace (crc 5eab668b):
[<0000000001e3714d>] kmemleak_alloc+0x34/0x40
[<000000006e6c7776>] __kmalloc_node_track_caller_noprof+0x300/0x3e0
[<000000006870467c>] kmemdup_noprof+0x34/0x60
[<000000001176bb03>] aa_unpack_strdup+0xd0/0x18c
[<000000008ecde918>] policy_unpack_test_unpack_strdup_with_null_name+0xf8/0x3ec
[<0000000032ef8f77>] kunit_try_run_case+0x13c/0x3ac
[<00000000f3edea23>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000adf936cf>] kthread+0x2e8/0x374
[<0000000041bb1628>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80c2a29090 (size 8):
comm "kunit_try_catch", pid 227, jiffies 4294894409
hex dump (first 8 bytes):
74 65 73 74 69 6e 67 00 testing.
backtrace (crc 5eab668b):
[<0000000001e3714d>] kmemleak_alloc+0x34/0x40
[<000000006e6c7776>] __kmalloc_node_track_caller_noprof+0x300/0x3e0
[<000000006870467c>] kmemdup_noprof+0x34/0x60
[<000000001176bb03>] aa_unpack_strdup+0xd0/0x18c
[<0000000046a45c1a>] policy_unpack_test_unpack_strdup_with_name+0xd0/0x3c4
[<0000000032ef8f77>] kunit_try_run_case+0x13c/0x3ac
[<00000000f3edea23>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000adf936cf>] kthread+0x2e8/0x374
[<0000000041bb1628>] ret_from_fork+0x10/0x20
Cc: stable@vger.kernel.org
Fixes: 4d944bcd4e73 ("apparmor: add AppArmor KUnit tests for policy unpack")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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aa_label_audit, aa_label_find, aa_label_seq_print and aa_update_label_name
were added by commit
f1bd904175e8 ("apparmor: add the base fns() for domain labels")
but never used.
aa_profile_label_perm was added by commit
637f688dc3dc ("apparmor: switch from profiles to using labels on contexts")
but never used.
aa_secid_update was added by commit
c092921219d2 ("apparmor: add support for mapping secids and using secctxes")
but never used.
aa_split_fqname has been unused since commit
3664268f19ea ("apparmor: add namespace lookup fns()")
aa_lookup_profile has been unused since commit
93c98a484c49 ("apparmor: move exec domain mediation to using labels")
aa_audit_perms_cb was only used by aa_profile_label_perm (see above).
All of these commits are from around 2017.
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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Since kvfree() already checks if its argument is NULL, an additional
check before calling kvfree() is unnecessary and can be removed.
Remove it and the following Coccinelle/coccicheck warning reported by
ifnullfree.cocci:
WARNING: NULL check before some freeing functions is not needed
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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Regression test of AppArmor finished without any failures.
PASSED: aa_exec access attach_disconnected at_secure introspect
capabilities changeprofile onexec changehat changehat_fork
changehat_misc chdir clone coredump deleted e2e environ exec exec_qual
fchdir fd_inheritance fork i18n link link_subset mkdir mmap mount
mult_mount named_pipe namespaces net_raw open openat pipe pivot_root
posix_ipc ptrace pwrite query_label regex rename readdir rw socketpair
swap sd_flags setattr symlink syscall sysv_ipc tcp unix_fd_server
unix_socket_pathname unix_socket_abstract unix_socket_unnamed
unix_socket_autobind unlink userns xattrs xattrs_profile longpath nfs
exec_stack aa_policy_cache nnp stackonexec stackprofile
FAILED:
make: Leaving directory '/apparmor/tests/regression/apparmor'
Signed-off-by: Leesoo Ahn <lsahn@ooseel.net>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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Use the IS_ERR_OR_NULL() helper instead of open-coding a
NULL and an error pointer checks to simplify the code and
improve readability.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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Currently the dfa state machine is limited by its default, next, and
check tables using u16. Allow loading of u32 tables, and if u16 tables
are loaded map them to u32.
The number of states allowed does not increase to 2^32 because the
base table uses the top 8 bits of its u32 for flags. Moving the flags
into a separate table allowing a full 2^32 bit range wil be done in
a separate patch.
Link: https://gitlab.com/apparmor/apparmor/-/issues/419
Signed-off-by: John Johansen <john.johansen@canonical.com>
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mode profiles
When a cx/px lookup fails, apparmor would deny execution of the binary
even in complain mode (where it would audit as allowing execution while
actually denying it). Instead, in complain mode, create a new learning
profile, just as would have been done if the cx/px line wasn't there.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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attach->xmatch was not set when allocating a null profile, which is used in
complain mode to allocate a learning profile. This was causing downstream
failures in find_attach, which expected a valid xmatch but did not find
one under a certain sequence of profile transitions in complain mode.
This patch ensures the xmatch is set up properly for null profiles.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg update from Bjorn Andersson:
"Correct GLINK driver's decoding of the CMD_OPEN message, as upper half
of the second parameter encodes 'priority', and 'length' is only the
lower half"
* tag 'rpmsg-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: glink: use only lower 16-bits of param2 for CMD_OPEN name length
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"Make Qualcomm TrustZone Peripherial Authentication Service-remoteproc
identifier/name human friendly. Add audio DSP support for the Qualcomm
SAR2130P. Ensure IMEM access in the Qualcomm modem remoteproc driver
is performed prior to the firmware enabling the XPU and locking us
out.
Improve error handling, error logging, compile testing support, and a
few other stylistic things across a variety of the drivers"
* tag 'rproc-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (30 commits)
remoteproc: qcom: wcss: Remove double assignment in q6v5_wcss_probe()
remoteproc: qcom_q6v5_mss: Re-order writes to the IMEM region
remoteproc: qcom_wcnss_iris: Simplify with dev_err_probe()
remoteproc: qcom_q6v5_wcss: Simplify with dev_err_probe()
remoteproc: qcom_q6v5_pas: Simplify with dev_err_probe()
remoteproc: qcom_q6v5_mss: Drop redundant error printks in probe
remoteproc: qcom_q6v5_mss: Simplify with dev_err_probe()
remoteproc: qcom_q6v5_adsp: Simplify with dev_err_probe()
remoteproc: qcom_q6v5_pas: disable auto boot for wpss
remoteproc: qcom: pas: Make remoteproc name human friendly
remoteproc: qcom: pas: enable SAR2130P audio DSP support
remoteproc: qcom: pas: add minidump_id to SM8350 resources
dt-bindings: remoteproc: qcom,sm8350-pas: add SAR2130P aDSP compatible
dt-bindings: remoteproc: qcom,sm8550-pas: Add SM8750 ADSP
remoteproc: qcom: wcss: Remove subdevs on the error path of q6v5_wcss_probe()
remoteproc: qcom: adsp: Remove subdevs on the error path of adsp_probe()
remoteproc: qcom: pas: Remove subdevs on the error path of adsp_probe()
remoteproc: Switch back to struct platform_driver::remove()
remoteproc: k3-dsp: Force cast from iomem address space
remoteproc: k3-r5: Force cast from iomem address space
...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- aquacomputer_d5next: Fix length of speed_input array
- tps23861: Fix reporting of negative temperatures
- tmp108: Do not fail in I3C probe when I3C regmap is a module
* tag 'hwmon-for-v6.13-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (aquacomputer_d5next) Fix length of speed_input array
hwmon: (tps23861) Fix reporting of negative temperatures
hwmon: (tmp108) Do not fail in I3C probe when I3C regmap is a module
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Core:
- avoid possible deadlock on probe
- ensured preferred address is used on hot-join
Drivers:
- dw: add AMD I3C controller support
- mipi-i3c-hci: fix SETDASA, DMA interrupts fixes
- svc: many fixes for IBI and hotjoin"
* tag 'i3c/for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock
i3c: mipi-i3c-hci: Support SETDASA CCC
i3c: dw: Add quirk to address OD/PP timing issue on AMD platform
i3c: dw: Add support for AMDI0015 ACPI ID
i3c: master: svc: Modify enabled_events bit 7:0 to act as IBI enable counter
i3c: Document I3C_ADDR_SLOT_EXT_STATUS_MASK
i3c: master: svc: Fix pm_runtime_set_suspended() with runtime pm enabled
i3c: mipi-i3c-hci: Handle interrupts according to current specifications
i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request
i3c: master: Fix miss free init_dyn_addr at i3c_master_put_i3c_addrs()
i3c: master: Remove i3c_dev_disable_ibi_locked(olddev) on device hotjoin
i3c: master: svc: fix possible assignment of the same address to two devices
i3c: master: svc: wait for Manual ACK/NACK Done before next step
i3c: master: svc: use spin_lock_irqsave at svc_i3c_master_ibi_work()
i3c: master: svc: need check IBIWON for dynamic address assignment
i3c: master: svc: manually emit NACK/ACK for hotjoin
i3c: master: svc: use repeat start when IBI WIN happens
i3c: master: Fix dynamic address leak when 'assigned-address' is present
i3c: master: Extend address status bit to 4 and add I3C_ADDR_SLOT_EXT_DESIRED
i3c: master: Replace hard code 2 with macro I3C_ADDR_SLOT_STATUS_BITS
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Make pci_stop_dev() and pci_destroy_dev() safe so concurrent
callers can't stop a device multiple times, even as we migrate from
the global pci_rescan_remove_lock to finer-grained locking (Keith
Busch)
- Improve pci_walk_bus() implementation by making it recursive and
moving locking up to avoid need for a 'locked' parameter (Keith
Busch)
- Unexport pci_walk_bus_locked(), which is only used internally by
the PCI core (Keith Busch)
- Detect some Thunderbolt chips that are built-in and hence
'trustworthy' by a heuristic since the 'ExternalFacingPort' and
'usb4-host-interface' ACPI properties are not quite enough (Esther
Shimanovich)
Resource management:
- Use PCI bus addresses (not CPU addresses) in 'ranges' properties
when building dynamic DT nodes so systems where PCI and CPU
addresses differ work correctly (Andrea della Porta)
- Tidy resource sizing and assignment with helpers to reduce
redundancy (Ilpo Järvinen)
- Improve pdev_sort_resources() 'bogus alignment' warning to be more
specific (Ilpo Järvinen)
Driver binding:
- Convert driver .remove_new() callbacks to .remove() again to finish
the conversion from returning 'int' to being 'void' (Sergio
Paracuellos)
- Export pcim_request_all_regions(), a managed interface to request
all BARs (Philipp Stanner)
- Replace pcim_iomap_regions_request_all() with
pcim_request_all_regions(), and pcim_iomap_table()[n] with
pcim_iomap(n), in the following drivers: ahci, crypto qat, crypto
octeontx2, intel_th, iwlwifi, ntb idt, serial rp2, ALSA korg1212
(Philipp Stanner)
- Remove the now unused pcim_iomap_regions_request_all() (Philipp
Stanner)
- Export pcim_iounmap_region(), a managed interface to unmap and
release a PCI BAR (Philipp Stanner)
- Replace pcim_iomap_regions(mask) with pcim_iomap_region(n), and
pcim_iounmap_regions(mask) with pcim_iounmap_region(n), in the
following drivers: fpga dfl-pci, block mtip32xx, gpio-merrifield,
cavium (Philipp Stanner)
Error handling:
- Add sysfs 'reset_subordinate' to reset the entire hierarchy below a
bridge; previously Secondary Bus Reset could only be used when
there was a single device below a bridge (Keith Busch)
- Warn if we reset a running device where the driver didn't register
pci_error_handlers notification callbacks (Keith Busch)
ASPM:
- Disable ASPM L1 before touching L1 PM Substates to follow the spec
closer and avoid a CPU load timeout on some platforms (Ajay
Agarwal)
- Set devices below Intel VMD to D0 before enabling ASPM L1 Substates
as required per spec for all L1 Substates changes (Jian-Hong Pan)
Power management:
- Enable starfive controller runtime PM before probing host bridge
(Mayank Rana)
- Enable runtime power management for host bridges (Krishna chaitanya
chundru)
Power control:
- Use of_platform_device_create() instead of of_platform_populate()
to create pwrctl platform devices so we can control it based on the
child nodes (Manivannan Sadhasivam)
- Create pwrctrl platform devices only if there's a relevant power
supply property (Manivannan Sadhasivam)
- Add device link from the pwrctl supplier to the PCI dev to ensure
pwrctl drivers are probed before the PCI dev driver; this avoids a
race where pwrctl could change device power state while the PCI
driver was active (Manivannan Sadhasivam)
- Find pwrctl device for removal with of_find_device_by_node()
instead of searching all children of the parent (Manivannan
Sadhasivam)
- Rename 'pwrctl' to 'pwrctrl' to match new bandwidth controller
('bwctrl') and hotplug files (Bjorn Helgaas)
Bandwidth control:
- Add read/modify/write locking for Link Control 2, which is used to
manage Link speed (Ilpo Järvinen)
- Extract Link Bandwidth Management Status check into
pcie_lbms_seen(), where it can be shared between the bandwidth
controller and quirks that use it to help retrain failed links
(Ilpo Järvinen)
- Re-add Link Bandwidth notification support with updates to address
the reasons it was previously reverted (Alexandru Gagniuc, Ilpo
Järvinen)
- Add pcie_set_target_speed() and related functionality so drivers
can manage PCIe Link speed based on thermal or other constraints
(Ilpo Järvinen)
- Add a thermal cooling driver to throttle PCIe Links via the
existing thermal management framework (Ilpo Järvinen)
- Add a userspace selftest for the PCIe bandwidth controller (Ilpo
Järvinen)
PCI device hotplug:
- Add hotplug controller driver for Marvell OCTEON multi-function
device where function 0 has a management console interface to
enable/disable and provision various personalities for the other
functions (Shijith Thotton)
- Retain a reference to the pci_bus for the lifetime of a pci_slot to
avoid a use-after-free when the thunderbolt driver resets USB4 host
routers on boot, causing hotplug remove/add of downstream docks or
other devices (Lukas Wunner)
- Remove unused cpcihp struct cpci_hp_controller_ops.hardware_test
(Guilherme Giacomo Simoes)
- Remove unused cpqphp struct ctrl_dbg.ctrl (Christophe JAILLET)
- Use pci_bus_read_dev_vendor_id() instead of hand-coded presence
detection in cpqphp (Ilpo Järvinen)
- Simplify cpqphp enumeration, which is already simple-minded and
doesn't handle devices below hot-added bridges (Ilpo Järvinen)
Virtualization:
- Add ACS quirk for Wangxun FF5xxx NICs, which don't advertise an ACS
capability but do isolate functions as though PCI_ACS_RR and
PCI_ACS_CR were set, so the functions can be in independent IOMMU
groups (Mengyuan Lou)
TLP Processing Hints (TPH):
- Add and document TLP Processing Hints (TPH) support so drivers can
enable and disable TPH and the kernel can save/restore TPH
configuration (Wei Huang)
- Add TPH Steering Tag support so drivers can retrieve Steering Tag
values associated with specific CPUs via an ACPI _DSM to improve
performance by directing DMA writes closer to their consumers (Wei
Huang)
Data Object Exchange (DOE):
- Wait up to 1 second for DOE Busy bit to clear before writing a
request to the mailbox to avoid failures if the mailbox is still
busy from a previous transfer (Gregory Price)
Endpoint framework:
- Skip attempts to allocate from endpoint controller memory window if
the requested size is larger than the window (Damien Le Moal)
- Add and document pci_epc_mem_map() and pci_epc_mem_unmap() to
handle controller-specific size and alignment constraints, and add
test cases to the endpoint test driver (Damien Le Moal)
- Implement dwc pci_epc_ops.align_addr() so pci_epc_mem_map() can
observe DWC-specific alignment requirements (Damien Le Moal)
- Synchronously cancel command handler work in endpoint test before
cleaning up DMA and BARs (Damien Le Moal)
- Respect endpoint page size in dw_pcie_ep_align_addr() (Niklas
Cassel)
- Use dw_pcie_ep_align_addr() in dw_pcie_ep_raise_msi_irq() and
dw_pcie_ep_raise_msix_irq() instead of open coding the equivalent
(Niklas Cassel)
- Avoid NULL dereference if Modem Host Interface Endpoint lacks
'mmio' DT property (Zhongqiu Han)
- Release PCI domain ID of Endpoint controller parent (not controller
itself) and before unregistering the controller, to avoid
use-after-free (Zijun Hu)
- Clear secondary (not primary) EPC in pci_epc_remove_epf() when
removing the secondary controller associated with an NTB (Zijun Hu)
Cadence PCIe controller driver:
- Lower severity of 'phy-names' message (Bartosz Wawrzyniak)
Freescale i.MX6 PCIe controller driver:
- Fix suspend/resume support on i.MX6QDL, which has a hardware
erratum that prevents use of L2 (Stefan Eichenberger)
Intel VMD host bridge driver:
- Add 0xb60b and 0xb06f Device IDs for client SKUs (Nirmal Patel)
MediaTek PCIe Gen3 controller driver:
- Update mediatek-gen3 DT binding to require the exact number of
clocks for each SoC (Fei Shao)
- Add support for DT 'max-link-speed' and 'num-lanes' properties to
restrict the link speed and width (AngeloGioacchino Del Regno)
Microchip PolarFlare PCIe controller driver:
- Add DT and driver support for using either of the two PolarFire
Root Ports (Conor Dooley)
NVIDIA Tegra194 PCIe controller driver:
- Move endpoint controller cleanups that depend on refclk from the
host to the notifier that tells us the host has deasserted PERST#,
when refclk should be valid (Manivannan Sadhasivam)
Qualcomm PCIe controller driver:
- Add qcom SAR2130P DT binding with an additional clock (Dmitry
Baryshkov)
- Enable MSI interrupts if 'global' IRQ is supported, since a
previous commit unintentionally masked them (Manivannan Sadhasivam)
- Move endpoint controller cleanups that depend on refclk from the
host to the notifier that tells us the host has deasserted PERST#,
when refclk should be valid (Manivannan Sadhasivam)
- Add DT binding and driver support for IPQ9574, with Synopsys IP
v5.80a and Qcom IP 1.27.0 (devi priya)
- Move the OPP "operating-points-v2" table from the
qcom,pcie-sm8450.yaml DT binding to qcom,pcie-common.yaml, where it
can be used by other Qcom platforms (Qiang Yu)
- Add 'global' SPI interrupt for events like link-up, link-down to
qcom,pcie-x1e80100 DT binding so we can start enumeration when the
link comes up (Qiang Yu)
- Disable ASPM L0s for qcom,pcie-x1e80100 since the PHY is not tuned
to support this (Qiang Yu)
- Add ops_1_21_0 for SC8280X family SoC, which doesn't use the
'iommu-map' DT property and doesn't need BDF-to-SID translation
(Qiang Yu)
Rockchip PCIe controller driver:
- Define ROCKCHIP_PCIE_AT_SIZE_ALIGN to replace magic 256 endpoint
.align value (Damien Le Moal)
- When unmapping an endpoint window, compute the region index instead
of searching for it, and verify that the address was mapped (Damien
Le Moal)
- When mapping an endpoint window, verify that the address hasn't
been mapped already (Damien Le Moal)
- Implement pci_epc_ops.align_addr() for rockchip-ep (Damien Le Moal)
- Fix MSI IRQ data mapping to observe the alignment constraint, which
fixes intermittent page faults in memcpy_toio() and memcpy_fromio()
(Damien Le Moal)
- Rename rockchip_pcie_parse_ep_dt() to
rockchip_pcie_ep_get_resources() for consistency with similar DT
interfaces (Damien Le Moal)
- Skip the unnecessary link train in rockchip_pcie_ep_probe() and do
it only in the endpoint start operation (Damien Le Moal)
- Implement pci_epc_ops.stop_link() to disable link training and
controller configuration (Damien Le Moal)
- Attempt link training at 5 GT/s when both partners support it
(Damien Le Moal)
- Add a handler for PERST# signal so we can detect host-initiated
resets and start link training after PERST# is deasserted (Damien
Le Moal)
Synopsys DesignWare PCIe controller driver:
- Clear outbound address on unmap so dw_pcie_find_index() won't match
an ATU index that was already unmapped (Damien Le Moal)
- Use of_property_present() instead of of_property_read_bool() when
testing for presence of non-boolean DT properties (Rob Herring)
- Advertise 1MB size if endpoint supports Resizable BARs, which was
inadvertently lost in v6.11 (Niklas Cassel)
TI J721E PCIe driver:
- Add PCIe support for J722S SoC (Siddharth Vadapalli)
- Delay PCIE_T_PVPERL_MS (100 ms), not just PCIE_T_PERST_CLK_US (100
us), before deasserting PERST# to ensure power and refclk are
stable (Siddharth Vadapalli)
TI Keystone PCIe controller driver:
- Set the 'ti,keystone-pcie' mode so v3.65a devices work in Root
Complex mode (Kishon Vijay Abraham I)
- Try to avoid unrecoverable SError for attempts to issue config
transactions when the link is down; this is racy but the best we
can do (Kishon Vijay Abraham I)
Miscellaneous:
- Reorganize kerneldoc parameter names to match order in function
signature (Julia Lawall)
- Fix sysfs reset_method_store() memory leak (Todd Kjos)
- Simplify pci_create_slot() (Ilpo Järvinen)
- Fix incorrect printf format specifiers in pcitest (Luo Yifan)"
* tag 'pci-v6.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (127 commits)
PCI: rockchip-ep: Handle PERST# signal in EP mode
PCI: rockchip-ep: Improve link training
PCI: rockship-ep: Implement the pci_epc_ops::stop_link() operation
PCI: rockchip-ep: Refactor endpoint link training enable
PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() MSI-X hiding
PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() memory allocations
PCI: rockchip-ep: Rename rockchip_pcie_parse_ep_dt()
PCI: rockchip-ep: Fix MSI IRQ data mapping
PCI: rockchip-ep: Implement the pci_epc_ops::align_addr() operation
PCI: rockchip-ep: Improve rockchip_pcie_ep_map_addr()
PCI: rockchip-ep: Improve rockchip_pcie_ep_unmap_addr()
PCI: rockchip-ep: Use a macro to define EP controller .align feature
PCI: rockchip-ep: Fix address translation unit programming
PCI/pwrctrl: Rename pwrctrl functions and structures
PCI/pwrctrl: Rename pwrctl files to pwrctrl
PCI/pwrctl: Remove pwrctl device without iterating over all children of pwrctl parent
PCI/pwrctl: Ensure that pwrctl drivers are probed before PCI client drivers
PCI/pwrctl: Create pwrctl device only if at least one power supply is present
PCI/pwrctl: Use of_platform_device_create() to create pwrctl devices
tools: PCI: Fix incorrect printf format specifiers
...
|
|
When I merged the rust 'use' imports, I didn't realize that there's
an offical preferred idiomatic format - so while it all worked fine,
it doesn't match what 'make rustfmt' wants to make it.
Fix it up appropriately.
Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Namhyung Kim:
"perf record:
- Enable leader sampling for inherited task events. It was supported
only for system-wide events but the kernel started to support such
a setup since v6.12.
This is to reduce the number of PMU interrupts. The samples of the
leader event will contain counts of other events and no samples
will be generated for the other member events.
$ perf record -e '{cycles,instructions}:S' ${MYPROG}
perf report:
- Fix --branch-history option to display more branch-related
information like prediction, abort and cycles which is available
on Intel machines.
$ perf record -bg -- perf test -w brstack
$ perf report --branch-history
...
#
# Overhead Source:Line Symbol Shared Object Predicted Abort Cycles IPC [IPC Coverage]
# ........ ........................ .............. .................... ......... ..... ...... ....................
#
8.17% copy_page_64.S:19 [k] copy_page [kernel.kallsyms] 50.0% 0 5 - -
|
---xas_load xarray.h:171
|
|--5.68%--xas_load xarray.c:245 (cycles:1)
| xas_load xarray.c:242
| xas_load xarray.h:1260 (cycles:1)
| xas_descend xarray.c:146
| xas_load xarray.c:244 (cycles:2)
| xas_load xarray.c:245
| xas_descend xarray.c:218 (cycles:10)
...
perf stat:
- Add HWMON PMU support.
The HWMON provides various system information like CPU/GPU
temperature, fan speed and so on. Expose them as PMU events so that
users can see the values using perf stat commands.
$ perf stat -e temp_cpu,fan1 true
Performance counter stats for 'true':
60.00 'C temp_cpu
0 rpm fan1
0.000745382 seconds time elapsed
0.000883000 seconds user
0.000000000 seconds sys
- Display metric threshold in JSON output.
Some metrics define thresholds to classify value ranges. It used to
be in a different color but it won't work for JSON.
Add "metric-threshold" field to the JSON that can be one of "good",
"less good", "nearly bad" and "bad".
# perf stat -a -M TopdownL1 -j true
{"counter-value" : "18693525.000000", "unit" : "", "event" : "TOPDOWN.SLOTS", "event-runtime" : 5552708, "pcnt-running" : 100.00, "metric-value" : "43.226002", "metric-unit" : "% tma_backend_bound", "metric-threshold" : "bad"}
{"metric-value" : "29.212267", "metric-unit" : "% tma_frontend_bound", "metric-threshold" : "bad"}
{"metric-value" : "7.138972", "metric-unit" : "% tma_bad_speculation", "metric-threshold" : "good"}
{"metric-value" : "20.422759", "metric-unit" : "% tma_retiring", "metric-threshold" : "good"}
{"counter-value" : "3817732.000000", "unit" : "", "event" : "topdown-retiring", "event-runtime" : 5552708, "pcnt-running" : 100.00, }
{"counter-value" : "5472824.000000", "unit" : "", "event" : "topdown-fe-bound", "event-runtime" : 5552708, "pcnt-running" : 100.00, }
{"counter-value" : "7984780.000000", "unit" : "", "event" : "topdown-be-bound", "event-runtime" : 5552708, "pcnt-running" : 100.00, }
{"counter-value" : "1418181.000000", "unit" : "", "event" : "topdown-bad-spec", "event-runtime" : 5552708, "pcnt-running" : 100.00, }
...
perf sched:
- Add -P/--pre-migrations option for 'timehist' sub-command to track
time a task waited on a run-queue before migrating to a different
CPU.
$ perf sched timehist -P
time cpu task name wait time sch delay run time pre-mig time
[tid/pid] (msec) (msec) (msec) (msec)
--------------- ------ ------------------------------ --------- --------- --------- ---------
585940.535527 [0000] perf[584885] 0.000 0.000 0.000 0.000
585940.535535 [0000] migration/0[20] 0.000 0.002 0.008 0.000
585940.535559 [0001] perf[584885] 0.000 0.000 0.000 0.000
585940.535563 [0001] migration/1[25] 0.000 0.001 0.004 0.000
585940.535678 [0002] perf[584885] 0.000 0.000 0.000 0.000
585940.535686 [0002] migration/2[31] 0.000 0.002 0.008 0.000
585940.535905 [0001] <idle> 0.000 0.000 0.342 0.000
585940.535938 [0003] perf[584885] 0.000 0.000 0.000 0.000
585940.537048 [0001] sleep[584886] 0.000 0.019 1.142 0.001
585940.537749 [0002] <idle> 0.000 0.000 2.062 0.000
...
Build:
- Make libunwind opt-in (LIBUNWIND=1) rather than opt-out.
The perf tools are generally built with libelf and libdw which has
unwinder functionality. The libunwind support predates it and no
need to have duplicate unwinders by default.
- Rename NO_DWARF=1 build option to NO_LIBDW=1 in order to clarify
it's using libdw for handling DWARF information.
Internals:
- Do not set exclude_guest bit in the perf_event_attr by default.
This was causing a trouble in AMD IBS PMU as it doesn't support the
bit. The bit will be set when it's needed later by the fallback
logic. Also update the missing feature detection logic to make sure
not clear supported bits unnecessarily.
- Run perf test in parallel by default and mark flaky tests
"exclusive" to run them serially at the end. Some test numbers are
changed but the test can complete in less than half the time.
JSON vendor events:
- Add AMD Zen 5 events and metrics.
- Add i.MX91 and i.MX95 DDR metrics
- Fix HiSilicon HIP08 Topdown metric name.
- Support compat events on PowerPC"
* tag 'perf-tools-for-v6.13-2024-11-24' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (232 commits)
perf tests: Fix hwmon parsing with PMU name test
perf hwmon_pmu: Ensure hwmon key union is zeroed before use
perf tests hwmon_pmu: Remove double evlist__delete()
perf/test: fix perf ftrace test on s390
perf bpf-filter: Return -ENOMEM directly when pfi allocation fails
perf test: Correct hwmon test PMU detection
perf: Remove unused del_perf_probe_events()
perf pmu: Move pmu_metrics_table__find and remove ARM override
perf jevents: Add map_for_cpu()
perf header: Pass a perf_cpu rather than a PMU to get_cpuid_str
perf header: Avoid transitive PMU includes
perf arm64 header: Use cpu argument in get_cpuid
perf header: Refactor get_cpuid to take a CPU for ARM
perf header: Move is_cpu_online to numa bench
perf jevents: fix breakage when do perf stat on system metric
perf test: Add missing __exit calls in tool/hwmon tests
perf tests: Make leader sampling test work without branch event
perf util: Remove kernel version deadcode
perf test shell trace_exit_race: Use --no-comm to avoid cases where COMM isn't resolved
perf test shell trace_exit_race: Show what went wrong in verbose mode
...
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture update from Helge Deller:
- Fix function graph tracing disablement on parisc
* tag 'parisc-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc/ftrace: Fix function graph tracing disablement
|
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
- only include FEC platform entries when hardware supports it
- fix typo in ifdef config name
* tag 'm68knommu-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: coldfire/device.c: only build FEC when HW macros are defined
m68k: mcfgpio: Fix incorrect register offset for CONFIG_M5441x
|
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Pull rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- Enable a series of lints, including safety-related ones, e.g. the
compiler will now warn about missing safety comments, as well as
unnecessary ones. How safety documentation is organized is a
frequent source of review comments, thus having the compiler guide
new developers on where they are expected (and where not) is very
nice.
- Start using '#[expect]': an interesting feature in Rust (stabilized
in 1.81.0) that makes the compiler warn if an expected warning was
_not_ emitted. This is useful to avoid forgetting cleaning up
locally ignored diagnostics ('#[allow]'s).
- Introduce '.clippy.toml' configuration file for Clippy, the Rust
linter, which will allow us to tweak its behaviour. For instance,
our first use cases are declaring a disallowed macro and, more
importantly, enabling the checking of private items.
- Lints-related fixes and cleanups related to the items above.
- Migrate from 'receiver_trait' to 'arbitrary_self_types': to get the
kernel into stable Rust, one of the major pieces of the puzzle is
the support to write custom types that can be used as 'self', i.e.
as receivers, since the kernel needs to write types such as 'Arc'
that common userspace Rust would not. 'arbitrary_self_types' has
been accepted to become stable, and this is one of the steps
required to get there.
- Remove usage of the 'new_uninit' unstable feature.
- Use custom C FFI types. Includes a new 'ffi' crate to contain our
custom mapping, instead of using the standard library 'core::ffi'
one. The actual remapping will be introduced in a later cycle.
- Map '__kernel_{size_t,ssize_t,ptrdiff_t}' to 'usize'/'isize'
instead of 32/64-bit integers.
- Fix 'size_t' in bindgen generated prototypes of C builtins.
- Warn on bindgen < 0.69.5 and libclang >= 19.1 due to a double issue
in the projects, which we managed to trigger with the upcoming
tracepoint support. It includes a build test since some
distributions backported the fix (e.g. Debian -- thanks!). All
major distributions we list should be now OK except Ubuntu non-LTS.
'macros' crate:
- Adapt the build system to be able run the doctests there too; and
clean up and enable the corresponding doctests.
'kernel' crate:
- Add 'alloc' module with generic kernel allocator support and remove
the dependency on the Rust standard library 'alloc' and the
extension traits we used to provide fallible methods with flags.
Add the 'Allocator' trait and its implementations '{K,V,KV}malloc'.
Add the 'Box' type (a heap allocation for a single value of type
'T' that is also generic over an allocator and considers the
kernel's GFP flags) and its shorthand aliases '{K,V,KV}Box'. Add
'ArrayLayout' type. Add 'Vec' (a contiguous growable array type)
and its shorthand aliases '{K,V,KV}Vec', including iterator
support.
For instance, now we may write code such as:
let mut v = KVec::new();
v.push(1, GFP_KERNEL)?;
assert_eq!(&v, &[1]);
Treewide, move as well old users to these new types.
- 'sync' module: add global lock support, including the
'GlobalLockBackend' trait; the 'Global{Lock,Guard,LockedBy}' types
and the 'global_lock!' macro. Add the 'Lock::try_lock' method.
- 'error' module: optimize 'Error' type to use 'NonZeroI32' and make
conversion functions public.
- 'page' module: add 'page_align' function.
- Add 'transmute' module with the existing 'FromBytes' and 'AsBytes'
traits.
- 'block::mq::request' module: improve rendered documentation.
- 'types' module: extend 'Opaque' type documentation and add simple
examples for the 'Either' types.
drm/panic:
- Clean up a series of Clippy warnings.
Documentation:
- Add coding guidelines for lints and the '#[expect]' feature.
- Add Ubuntu to the list of distributions in the Quick Start guide.
MAINTAINERS:
- Add Danilo Krummrich as maintainer of the new 'alloc' module.
And a few other small cleanups and fixes"
* tag 'rust-6.13' of https://github.com/Rust-for-Linux/linux: (82 commits)
rust: alloc: Fix `ArrayLayout` allocations
docs: rust: remove spurious item in `expect` list
rust: allow `clippy::needless_lifetimes`
rust: warn on bindgen < 0.69.5 and libclang >= 19.1
rust: use custom FFI integer types
rust: map `__kernel_size_t` and friends also to usize/isize
rust: fix size_t in bindgen prototypes of C builtins
rust: sync: add global lock support
rust: macros: enable the rest of the tests
rust: macros: enable paste! use from macro_rules!
rust: enable macros::module! tests
rust: kbuild: expand rusttest target for macros
rust: types: extend `Opaque` documentation
rust: block: fix formatting of `kernel::block::mq::request` module
rust: macros: fix documentation of the paste! macro
rust: kernel: fix THIS_MODULE header path in ThisModule doc comment
rust: page: add Rust version of PAGE_ALIGN
rust: helpers: remove unnecessary header includes
rust: exports: improve grammar in commentary
drm/panic: allow verbose version check
...
|
|
Pull more documentation updates from Jonathan Corbet:
"A few late-arriving fixes, plus two more significant changes that were
*almost* ready at the beginning of the merge window:
- A new document on debugging techniques from Sebastian Fricke
- A clarification on MODULE_LICENSE terms meant to head off the sort
of confusion that led to the recent Tuxedo Computers mess"
* tag 'docs-6.13-2' of git://git.lwn.net/linux:
docs: Add debugging guide for the media subsystem
docs: Add debugging section to process
docs/licensing: Clarify wording about "GPL" and "Proprietary"
docs: core-api/gfp_mask-from-fs-io: indicate that vmalloc supports GFP_NOFS/GFP_NOIO
Documentation: kernel-doc: enumerate identifier *type*s
Documentation: pwrseq: Fix trivial misspellings
Documentation: filesystems: update filename extensions
|
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull ecryptfs mount api conversion from Christian Brauner:
"Convert ecryptfs to the new mount api"
* tag 'vfs-6.13.ecryptfs.mount.api' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
ecryptfs: Fix spelling mistake "validationg" -> "validating"
ecryptfs: Convert ecryptfs to use the new mount API
ecryptfs: Factor out mount option validation
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs exportfs updates from Christian Brauner:
"This contains work to bring NFS connectable file handles to userspace
servers.
The name_to_handle_at() system call is extended to encode connectable
file handles. Such file handles can be resolved to an open file with a
connected path. So far userspace NFS servers couldn't make use of this
functionality even though the kernel does already support it. This is
achieved by introducing a new flag for name_to_handle_at().
Similarly, the open_by_handle_at() system call is tought to understand
connectable file handles explicitly created via name_to_handle_at()"
* tag 'vfs-6.13.exportfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: open_by_handle_at() support for decoding "explicit connectable" file handles
fs: name_to_handle_at() support for "explicit connectable" file handles
fs: prepare for "explicit connectable" file handles
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull pid_namespace rust bindings from Christian Brauner:
"This contains my Rust bindings for pid namespaces needed for various
rust drivers. Here's a description of the basic C semantics and how
they are mapped to Rust.
The pid namespace of a task doesn't ever change once the task is
alive. A unshare(CLONE_NEWPID) or setns(fd_pidns/pidfd, CLONE_NEWPID)
will not have an effect on the calling task's pid namespace. It will
only effect the pid namespace of children created by the calling task.
This invariant guarantees that after having acquired a reference to a
task's pid namespace it will remain unchanged.
When a task has exited and been reaped release_task() will be called.
This will set the pid namespace of the task to NULL. So retrieving the
pid namespace of a task that is dead will return NULL. Note, that
neither holding the RCU lock nor holding a reference count to the task
will prevent release_task() from being called.
In order to retrieve the pid namespace of a task the
task_active_pid_ns() function can be used. There are two cases to
consider:
(1) retrieving the pid namespace of the current task
(2) retrieving the pid namespace of a non-current task
From system call context retrieving the pid namespace for case (1) is
always safe and requires neither RCU locking nor a reference count to
be held. Retrieving the pid namespace after release_task() for current
will return NULL but no codepath like that is exposed to Rust.
Retrieving the pid namespace from system call context for (2) requires
RCU protection. Accessing a pid namespace outside of RCU protection
requires a reference count that must've been acquired while holding
the RCU lock. Note that accessing a non-current task means NULL can be
returned as the non-current task could have already passed through
release_task().
To retrieve (1) the current_pid_ns!() macro should be used. It ensures
that the returned pid namespace cannot outlive the calling scope. The
associated current_pid_ns() function should not be called directly as
it could be abused to created an unbounded lifetime for the pid
namespace. The current_pid_ns!() macro allows Rust to handle the
common case of accessing current's pid namespace without RCU
protection and without having to acquire a reference count.
For (2) the task_get_pid_ns() method must be used. This will always
acquire a reference on the pid namespace and will return an Option to
force the caller to explicitly handle the case where pid namespace is
None. Something that tends to be forgotten when doing the equivalent
operation in C.
Missing RCU primitives make it difficult to perform operations that
are otherwise safe without holding a reference count as long as RCU
protection is guaranteed. But it is not important currently. But we do
want it in the future.
Note that for (2) the required RCU protection around calling
task_active_pid_ns() synchronizes against putting the last reference
of the associated struct pid of task->thread_pid. The struct pid
stored in that field is used to retrieve the pid namespace of the
caller. When release_task() is called task->thread_pid will be NULLed
and put_pid() on said struct pid will be delayed in free_pid() via
call_rcu() allowing everyone with an RCU protected access to the
struct pid acquired from task->thread_pid to finish"
* tag 'vfs-6.13.rust.pid_namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
rust: add PidNamespace
|
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Pull nfsd updates from Chuck Lever:
"Jeff Layton contributed a scalability improvement to NFSD's NFSv4
backchannel session implementation. This improvement is intended to
increase the rate at which NFSD can safely recall NFSv4 delegations
from clients, to avoid the need to revoke them. Revoking requires a
slow state recovery process.
A wide variety of bug fixes and other incremental improvements make up
the bulk of commits in this series. As always I am grateful to the
NFSD contributors, reviewers, testers, and bug reporters who
participated during this cycle"
* tag 'nfsd-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (72 commits)
nfsd: allow for up to 32 callback session slots
nfs_common: must not hold RCU while calling nfsd_file_put_local
nfsd: get rid of include ../internal.h
nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur
NFSD: Add nfsd4_copy time-to-live
NFSD: Add a laundromat reaper for async copy state
NFSD: Block DESTROY_CLIENTID only when there are ongoing async COPY operations
NFSD: Handle an NFS4ERR_DELAY response to CB_OFFLOAD
NFSD: Free async copy information in nfsd4_cb_offload_release()
NFSD: Fix nfsd4_shutdown_copy()
NFSD: Add a tracepoint to record canceled async COPY operations
nfsd: make nfsd4_session->se_flags a bool
nfsd: remove nfsd4_session->se_bchannel
nfsd: make use of warning provided by refcount_t
nfsd: Don't fail OP_SETCLIENTID when there are too many clients.
svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()
xdrgen: Remove program_stat_to_errno() call sites
xdrgen: Update the files included in client-side source code
xdrgen: Remove check for "nfs_ok" in C templates
xdrgen: Remove tracepoint call site
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This series introduces a device aliasing feature where user can carve
out partitions but reclaim the space back by deleting aliased file in
root dir.
In addition to that, there're numerous minor bug fixes in zoned device
support, checkpoint=disable, extent cache management, fiemap, and
lazytime mount option. The full list of noticeable changes can be
found below.
Enhancements:
- introduce device aliasing file
- add stats in debugfs to show multiple devices
- add a sysfs node to limit max read extent count per-inode
- modify f2fs_is_checkpoint_ready logic to allow more data to be
written with the CP disable
- decrease spare area for pinned files for zoned devices
Fixes:
- Revert "f2fs: remove unreachable lazytime mount option parsing"
- adjust unusable cap before checkpoint=disable mode
- fix to drop all discards after creating snapshot on lvm device
- fix to shrink read extent node in batches
- fix changing cursegs if recovery fails on zoned device
- fix to adjust appropriate length for fiemap
- fix fiemap failure issue when page size is 16KB
- fix to avoid forcing direct write to use buffered IO on inline_data
inode
- fix to map blocks correctly for direct write
- fix to account dirty data in __get_secs_required()
- fix null-ptr-deref in f2fs_submit_page_bio()
- fix inconsistent update of i_blocks in release_compress_blocks and
reserve_compress_blocks"
* tag 'f2fs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits)
f2fs: fix to drop all discards after creating snapshot on lvm device
f2fs: add a sysfs node to limit max read extent count per-inode
f2fs: fix to shrink read extent node in batches
f2fs: print message if fscorrupted was found in f2fs_new_node_page()
f2fs: clear SBI_POR_DOING before initing inmem curseg
f2fs: fix changing cursegs if recovery fails on zoned device
f2fs: adjust unusable cap before checkpoint=disable mode
f2fs: fix to requery extent which cross boundary of inquiry
f2fs: fix to adjust appropriate length for fiemap
f2fs: clean up w/ F2FS_{BLK_TO_BYTES,BTYES_TO_BLK}
f2fs: fix to do cast in F2FS_{BLK_TO_BYTES, BTYES_TO_BLK} to avoid overflow
f2fs: replace deprecated strcpy with strscpy
Revert "f2fs: remove unreachable lazytime mount option parsing"
f2fs: fix to avoid forcing direct write to use buffered IO on inline_data inode
f2fs: fix to map blocks correctly for direct write
f2fs: fix race in concurrent f2fs_stop_gc_thread
f2fs: fix fiemap failure issue when page size is 16KB
f2fs: remove redundant atomic file check in defragment
f2fs: fix to convert log type to segment data type correctly
f2fs: clean up the unused variable additional_reserved_segments
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Add page -> folio conversions (Joanne Koong, Josef Bacik)
- Allow max size of fuse requests to be configurable with a sysctl
(Joanne Koong)
- Allow FOPEN_DIRECT_IO to take advantage of async code path (yangyun)
- Fix large kernel reads (like a module load) in virtio_fs (Hou Tao)
- Fix attribute inconsistency in case readdirplus (and plain lookup in
corner cases) is racing with inode eviction (Zhang Tianci)
- Fix a WARN_ON triggered by virtio_fs (Asahi Lina)
* tag 'fuse-update-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (30 commits)
virtiofs: dax: remove ->writepages() callback
fuse: check attributes staleness on fuse_iget()
fuse: remove pages for requests and exclusively use folios
fuse: convert direct io to use folios
mm/writeback: add folio_mark_dirty_lock()
fuse: convert writebacks to use folios
fuse: convert retrieves to use folios
fuse: convert ioctls to use folios
fuse: convert writes (non-writeback) to use folios
fuse: convert reads to use folios
fuse: convert readdir to use folios
fuse: convert readlink to use folios
fuse: convert cuse to use folios
fuse: add support in virtio for requests using folios
fuse: support folios in struct fuse_args_pages and fuse_copy_pages()
fuse: convert fuse_notify_store to use folios
fuse: convert fuse_retrieve to use folios
fuse: use the folio based vmstat helpers
fuse: convert fuse_writepage_need_send to take a folio
fuse: convert fuse_do_readpage to use folios
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
- Fix the code that cleans up left-over unlinked files.
Various fixes and minor improvements in deleting files cached or held
open remotely.
- Simplify the use of dlm's DLM_LKF_QUECVT flag.
- A few other minor cleanups.
* tag 'gfs2-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: (21 commits)
gfs2: Prevent inode creation race
gfs2: Only defer deletes when we have an iopen glock
gfs2: Simplify DLM_LKF_QUECVT use
gfs2: gfs2_evict_inode clarification
gfs2: Make gfs2_inode_refresh static
gfs2: Use get_random_u32 in gfs2_orlov_skip
gfs2: Randomize GLF_VERIFY_DELETE work delay
gfs2: Use mod_delayed_work in gfs2_queue_try_to_evict
gfs2: Update to the evict / remote delete documentation
gfs2: Call gfs2_queue_verify_delete from gfs2_evict_inode
gfs2: Clean up delete work processing
gfs2: Minor delete_work_func cleanup
gfs2: Return enum evict_behavior from gfs2_upgrade_iopen_glock
gfs2: Rename dinode_demise to evict_behavior
gfs2: Rename GIF_{DEFERRED -> DEFER}_DELETE
gfs2: Faster gfs2_upgrade_iopen_glock wakeups
KMSAN: uninit-value in inode_go_dump (5)
gfs2: Fix unlinked inode cleanup
gfs2: Allow immediate GLF_VERIFY_DELETE work
gfs2: Initialize gl_no_formal_ino earlier
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- remove unused functions and variables
- rate-limit error messages in syslog
- fix typo
- remove u64 alignment requirement for murmurhash
- reset bi_ioprio to the default for dm-vdo
- add support for get_unique_id
- Add missing destroy_work_on_stack() to dm-thin
- use kmalloc to allocate power-of-two sized buffers in bufio
* tag 'for-6.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-verity: remove the unused "data_start" variable
dm-bufio: use kmalloc to allocate power-of-two sized buffers
dm thin: Add missing destroy_work_on_stack()
dm: add support for get_unique_id
dm vdo: fix function doc comment formatting
dm vdo int-map: remove unused parameters
dm-vdo: reset bi_ioprio to the default value when the bio is reset
dm-vdo murmurhash: remove u64 alignment requirement
dm: Fix typo in error message
dm ioctl: rate limit a couple of ioctl based error messages
dm vdo: Remove unused uds_compute_index_size
dm vdo: Remove unused functions
dm: zoned: Remove unused functions
dm: Remove unused dm_table_bio_based
dm: Remove unused dm_set_md_type
dm cache: Remove unused functions in bio-prison-v1
dm cache: Remove unused dm_cache_size
dm cache: Remove unused dm_cache_dump
dm cache: Remove unused btracker_nr_writebacks_queued
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, lpfc, hisi_sas, st).
Amazingly enough, no core changes with the biggest set of driver
changes being ufs (which conflicted with it's own fixes a bit, hence
the merges) and the rest being minor fixes and updates"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (97 commits)
scsi: st: New session only when Unit Attention for new tape
scsi: st: Add MTIOCGET and MTLOAD to ioctls allowed after device reset
scsi: st: Don't modify unknown block number in MTIOCGET
scsi: ufs: core: Restore SM8650 support
scsi: sun3: Mark driver struct with __refdata to prevent section mismatch
scsi: sg: Enable runtime power management
scsi: qedi: Fix a possible memory leak in qedi_alloc_and_init_sb()
scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb()
scsi: fusion: Remove unused variable 'rc'
scsi: bfa: Fix use-after-free in bfad_im_module_exit()
scsi: esas2r: Remove unused esas2r_build_cli_req()
scsi: target: Fix incorrect function name in pscsi_create_type_disk()
scsi: ufs: Replace deprecated PCI functions
scsi: Switch back to struct platform_driver::remove()
scsi: pm8001: Increase request sg length to support 4MiB requests
scsi: pm8001: Initialize devices in pm8001_alloc_dev()
scsi: pm8001: Use module param to set pcs event log severity
scsi: ufs: ufs-mediatek: Configure individual LU queue flags
scsi: MAINTAINERS: Update UFS Exynos entry
scsi: lpfc: Copyright updates for 14.4.0.6 patches
...
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The merge commit ae3325f752ef ("Merge branches 'arm/smmu', 'mediatek',
's390', 'ti/omap', 'riscv' and 'core' into next") left a stale
declaration of 'iommu_present()' even though the 'core' branch that was
merged had removed the function (and the declaration).
Remove it for real.
Reported-by: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm and DAX updates from Ira Weiny:
"Most represent minor cleanups and code removals. One patch fixes
potential NULL pointer arithmetic which was benign because the offset
of the member was 0. Nevertheless it should be cleaned up.
- typo fixes
- clarify logic to remove potential NULL pointer math
- remove dead code"
* tag 'libnvdimm-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: Remove an unused field in struct dax_operations
dax: delete a stale directory pmem
nvdimm: rectify the illogical code within nd_dax_probe()
nvdimm: Correct some typos in comments
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git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
Pull mailbox updates from Jassi Brar:
"Common:
- switch back from remove_new() to remove() callback
imx:
- fix format specifier
zynqmp:
- setup IPI for each child node
thead:
- Add th1520 driver and bindings
qcom:
- add SM8750 and SAR2130p compatibles
- fix expected clocks for callbacks
- use IRQF_NO_SUSPEND for cpucp
mtk-cmdq:
- switch to __pm_runtime_put_autosuspend()
- fix alloc size of clocks
mpfs:
- fix reg properties
ti-msgmgr:
- don't use of_match_ptr helper
- enable COMPILE_TEST build
pcc:
- consider the PCC_ACK_FLAG
arm_mhuv2:
- fix non-fatal improper reuse of variable"
* tag 'mailbox-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
mailbox: pcc: Check before sending MCTP PCC response ACK
mailbox: Switch back to struct platform_driver::remove()
mailbox: imx: Modify the incorrect format specifier
mailbox: arm_mhuv2: clean up loop in get_irq_chan_comb()
mailbox: zynqmp: setup IPI for each valid child node
dt-bindings: mailbox: Add thead,th1520-mailbox bindings
mailbox: Introduce support for T-head TH1520 Mailbox driver
mailbox: mtk-cmdq: fix wrong use of sizeof in cmdq_get_clocks()
dt-bindings: mailbox: qcom-ipcc: Add SM8750
dt-bindings: mailbox: qcom,apcs-kpss-global: correct expected clocks for fallbacks
dt-bindings: mailbox: qcom-ipcc: Add SAR2130P compatible
mailbox: ti-msgmgr: Allow building under COMPILE_TEST
mailbox: ti-msgmgr: Remove use of of_match_ptr() helper
mailbox: qcom-cpucp: Mark the irq with IRQF_NO_SUSPEND flag
mailbox: mtk-cmdq-mailbox: Switch to __pm_runtime_put_autosuspend()
mailbox: mpfs: support new, syscon based, devicetree configuration
dt-bindings: mailbox: mpfs: fix reg properties
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"No core changes this time.
New drivers:
- Xlinix Versal pin control driver
- Ocelot LAN969x pin control driver
- T-Head TH1520 RISC-V SoC pin control driver
- Qualcomm SM8750, IPQ5424, QCS8300, SAR2130P and QCS615 SoC pin
control drivers
- Qualcomm SM8750 LPASS (low power audio subsystem) pin control
driver
- Qualcomm PM8937 mixsig IC pin control support, GPIO and MPP
(multi-purpose-pin)
- Samsung Exynos8895 and Exynos9810 SoC pin control driver
- SpacemiT K1 SoC pin control driver
- Airhoa EN7581 IC pin control driver
Improvements:
- The Renesas subdriver now supports schmitt-trigger and open drain
pin configurations if the hardware supports it
- Support GPIOF and GPIOG banks in the Aspeed G6 SoC
- Support the DSW community in the Intel Elkhartlake SoC"
* tag 'pinctrl-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (105 commits)
pinctrl: airoha: Use unsigned long for bit search
pinctrl: k210: Undef K210_PC_DEFAULT
pinctrl: qcom: spmi: fix debugfs drive strength
pinctrl: qcom: Add sm8750 pinctrl driver
dt-bindings: pinctrl: qcom: Add sm8750 pinctrl
pinctrl: cy8c95x0: remove unneeded goto labels
pinctrl: cy8c95x0: embed iterator to the for-loop
pinctrl: cy8c95x0: Use temporary variable for struct device
pinctrl: cy8c95x0: use flexible sleeping in reset function
pinctrl: cy8c95x0: switch to using devm_regulator_get_enable()
pinctrl: cy8c95x0: Use 2-argument strscpy()
dt-bindings: pinctrl: sx150xq: allow gpio line naming
pinctrl: single: add marvell,pxa1908-padconf compatible
dt-bindings: pinctrl: pinctrl-single: add marvell,pxa1908-padconf compatible
dt-bindings: pinctrl: correct typo of description for cv1800
pinctrl: qcom: spmi-mpp: Add PM8937 compatible
dt-bindings: pinctrl: qcom,pmic-mpp: Document PM8937 compatible
pinctrl: qcom-pmic-gpio: add support for PM8937
dt-bindings: pinctrl: qcom,pmic-gpio: add PM8937
pinctrl: Use of_property_present() for non-boolean properties
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"Andi was super busy the last weeks, so this pull requests contains one
series (nomadik) and a number of smaller additions which were ready to
go but nearly overlooked.
New feature support:
- Added support for frequencies up to 3.4 MHz on Nomadik I2C
- DesignWare now accounts for bus capacitance and clock optimisation
(declared as new parameters in the binding) to improve the
calculation of signal rise and fall times (t_high and t_low)
New Hardware support:
- DWAPB I2C controller on FUJITSU-MONAKA (new ACPI HID)
- Allwinner A523 (new compatible ID)
- Mobileye EyeQ6H (new compatible ID)"
* tag 'i2c-for-6.13-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: transfer i2c-aspeed maintainership from Brendan to Ryan
i2c: designware: determine HS tHIGH and tLOW based on HW parameters
dt-bindings: i2c: snps,designware-i2c: declare bus capacitance and clk freq optimized
i2c: nomadik: support >=1MHz speed modes
i2c: nomadik: fix BRCR computation
i2c: nomadik: support Mobileye EyeQ6H I2C controller
i2c: nomadik: switch from of_device_is_compatible() to of_match_device()
dt-bindings: i2c: nomadik: support 400kHz < clock-frequency <= 3.4MHz
dt-bindings: i2c: nomadik: add mobileye,eyeq6h-i2c bindings
dt-bindings: i2c: mv64xxx: Add Allwinner A523 compatible string
i2c: designware: Add ACPI HID for DWAPB I2C controller on FUJITSU-MONAKA
i2c: qup: use generic device property accessors
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Takashi Sakamoto:
"A few updates for the 6.13 kernel, including some typo corrections in
the software stack and some fixes for tools. Additionally, it includes
a change resulting from the deprecation of a kernel API in the PCI
subsystem"
* tag 'firewire-updates-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
tools/firewire: Fix several incorrect format specifiers
firewire: ohci: Replace deprecated PCI functions
firewire: Correct some typos
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git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- Add new slab_strict_numa boot parameter to enforce per-object memory
policies on top of slab folio policies, for systems where saving cost
of remote accesses is more important than minimizing slab allocation
overhead (Christoph Lameter)
- Fix for freeptr_offset alignment check being too strict for m68k
(Geert Uytterhoeven)
- krealloc() fixes for not violating __GFP_ZERO guarantees on
krealloc() when slub_debug (redzone and object tracking) is enabled
(Feng Tang)
- Fix a memory leak in case sysfs registration fails for a slab cache,
and also no longer fail to create the cache in that case (Hyeonggon
Yoo)
- Fix handling of detected consistency problems (due to buggy slab
user) with slub_debug enabled, so that it does not cause further list
corruption bugs (yuan.gao)
- Code cleanup and kerneldocs polishing (Zhen Lei, Vlastimil Babka)
* tag 'slab-for-6.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
slab: Fix too strict alignment check in create_cache()
mm/slab: Allow cache creation to proceed even if sysfs registration fails
mm/slub: Avoid list corruption when removing a slab from the full list
mm/slub, kunit: Add testcase for krealloc redzone and zeroing
mm/slub: Improve redzone check and zeroing for krealloc()
mm/slub: Consider kfence case for get_orig_size()
SLUB: Add support for per object memory policies
mm, slab: add kerneldocs for common SLAB_ flags
mm/slab: remove duplicate check in create_cache()
mm/slub: Move krealloc() and related code to slub.c
mm/kasan: Don't store metadata inside kmalloc object when slub_debug_orig_size is on
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- The series "resource: A couple of cleanups" from Andy Shevchenko
performs some cleanups in the resource management code
- The series "Improve the copy of task comm" from Yafang Shao addresses
possible race-induced overflows in the management of
task_struct.comm[]
- The series "Remove unnecessary header includes from
{tools/}lib/list_sort.c" from Kuan-Wei Chiu adds some cleanups and a
small fix to the list_sort library code and to its selftest
- The series "Enhance min heap API with non-inline functions and
optimizations" also from Kuan-Wei Chiu optimizes and cleans up the
min_heap library code
- The series "nilfs2: Finish folio conversion" from Ryusuke Konishi
finishes off nilfs2's folioification
- The series "add detect count for hung tasks" from Lance Yang adds
more userspace visibility into the hung-task detector's activity
- Apart from that, singelton patches in many places - please see the
individual changelogs for details
* tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
gdb: lx-symbols: do not error out on monolithic build
kernel/reboot: replace sprintf() with sysfs_emit()
lib: util_macros_kunit: add kunit test for util_macros.h
util_macros.h: fix/rework find_closest() macros
Improve consistency of '#error' directive messages
ocfs2: fix uninitialized value in ocfs2_file_read_iter()
hung_task: add docs for hung_task_detect_count
hung_task: add detect count for hung tasks
dma-buf: use atomic64_inc_return() in dma_buf_getfile()
fs/proc/kcore.c: fix coccinelle reported ERROR instances
resource: avoid unnecessary resource tree walking in __region_intersects()
ocfs2: remove unused errmsg function and table
ocfs2: cluster: fix a typo
lib/scatterlist: use sg_phys() helper
checkpatch: always parse orig_commit in fixes tag
nilfs2: convert metadata aops from writepage to writepages
nilfs2: convert nilfs_recovery_copy_block() to take a folio
nilfs2: convert nilfs_page_count_clean_buffers() to take a folio
nilfs2: remove nilfs_writepage
nilfs2: convert checkpoint file to be folio-based
...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull rust trace event support from Steven Rostedt:
"Allow Rust code to have trace events
Trace events is a popular way to debug what is happening inside the
kernel or just to find out what is happening. Rust code is being added
to the Linux kernel but it currently does not support the tracing
infrastructure. Add support of trace events inside Rust code"
* tag 'trace-rust-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rust: jump_label: skip formatting generated file
jump_label: rust: pass a mut ptr to `static_key_count`
samples: rust: fix `rust_print` build making it a combined module
rust: add arch_static_branch
jump_label: adjust inline asm to be consistent
rust: samples: add tracepoint to Rust sample
rust: add tracepoint support
rust: add static_branch_unlikely for static_key_false
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
- Disable __counted_by in Clang < 19.1.3 (Jan Hendrik Farr)
- string_helpers: Silence output truncation warning (Bartosz
Golaszewski)
- compiler.h: Avoid needing BUILD_BUG_ON_ZERO() (Philipp Reisner)
- MAINTAINERS: Add kernel hardening keywords __counted_by{_le|_be}
(Thorsten Blum)
* tag 'hardening-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
Compiler Attributes: disable __counted_by for clang < 19.1.3
compiler.h: Fix undefined BUILD_BUG_ON_ZERO()
lib: string_helpers: silence snprintf() output truncation warning
MAINTAINERS: Add kernel hardening keywords __counted_by{_le|_be}
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When the size isn't a small constant, __access_ok() will call
valid_user_address() with the address after the last byte of the user
buffer.
It is valid for a buffer to end with the last valid user address so
valid_user_address() must allow accesses to the base of the guard page.
[ This introduces an off-by-one in the other direction for the plain
non-sized accesses, but since we have that guard region that is a
whole page, those checks "allowing" accesses to that guard region
don't really matter. The access will fault anyway, whether to the
guard page or if the address has been masked to all ones - Linus ]
Fixes: 86e6b1547b3d0 ("x86: fix user address masking non-canonical speculation issue")
Signed-off-by: David Laight <david.laight@aculab.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Josh Poimboeuf reports that he got a "will-it-scale.per_process_ops 1.9%
improvement" report for his patch that changed __get_user() to use
pointer masking instead of the explicit speculation barrier. However,
that patch doesn't actually work in the general case, because some (very
bad) architecture-specific code actually depends on __get_user() also
working on kernel addresses.
A profile showed that the offending __get_user() was the futex code,
which really should be fixed up to not use that horrid legacy case.
Rewrite futex_get_value_locked() to use the modern user acccess helpers,
and inline it so that the compiler not only avoids the function call for
a few instructions, but can do CSE on the address masking.
It also turns out the x86 futex functions have unnecessary barriers in
other places, so let's fix those up too.
Link: https://lore.kernel.org/all/20241115230653.hfvzyf3aqqntgp63@jpoimboe/
Reported-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
- omapfb: Remove unused code (Dr. David Alan Gilbert)
- sh7760fb: Fix memory leak in error path of sh7760fb_alloc_mem() (Zhen
Lei)
* tag 'fbdev-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: omapfb: Remove some deadcode
fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem()
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