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2024-11-12Merge tag 'ti-driver-soc-for-v6.13' of ↵Arnd Bergmann
https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers TI SoC driver updates for v6.13 - knav_qmss_queue: Cleanups around request_irq params and redundant code. - ti_sci: Power management ops in preperation for suspend/resume capability. Also includes dependency patch to export dev_pm_qos_read_value (acked by Rafael). * tag 'ti-driver-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux: firmware: ti_sci: Remove use of of_match_ptr() helper firmware: ti_sci: add CPU latency constraint management firmware: ti_sci: Introduce Power Management Ops firmware: ti_sci: Add system suspend and resume call firmware: ti_sci: Add support for querying the firmware caps PM: QoS: Export dev_pm_qos_read_value soc: ti: knav_qmss_queue: Drop redundant continue statement soc: ti: knav_qmss_queue: Use IRQF_NO_AUTOEN flag in request_irq() Link: https://lore.kernel.org/r/20241106121708.rso5wvc7wbhfi6xk@maverick Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-11-12Merge tag 'reset-for-v6.13' of git://git.pengutronix.de/pza/linux into ↵Arnd Bergmann
soc/drivers Reset controller updates for v6.13 * Split the Amlogic reset-meson driver into platform and auxiliary bus drivers. Add support for the reset controller in the G12 and SM1 audio clock controllers. * Replace the list of boolean parameters to the internal reset_control_get functions with an enum reset_flags bitfield, to make the code more self-descriptive. * Add devres helpers to request pre-deasserted (and automatically re-asserting during cleanup) reset controls. This allows reducing boilerplate in drivers that deassert resets for the lifetime of a device. * Use the new auto-deasserting devres helpers in reset-uniphier-glue as an example. * Add support for the LAN966x PCI device in drivers/misc, as a dependency for the following reset-microchip-sparx5 patches. * Add support for being used on the LAN966x PCI device to the reset-microchip-sparx5 driver. Commit 86f134941a4b ("MAINTAINERS: Add the Microchip LAN966x PCI driver entry") introduces a trivial merge conflict with commit 7280f01e79cc ("net: lan969x: add match data for lan969x") from the net-next tree [1]. [1] https://lore.kernel.org/all/20241101122505.3eacd183@canb.auug.org.au/ * tag 'reset-for-v6.13' of git://git.pengutronix.de/pza/linux: (21 commits) misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent' misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges property' reset: mchp: sparx5: set the dev member of the reset controller reset: mchp: sparx5: Allow building as a module reset: mchp: sparx5: Add MCHP_LAN966X_PCI dependency reset: mchp: sparx5: Map cpu-syscon locally in case of LAN966x MAINTAINERS: Add the Microchip LAN966x PCI driver entry misc: Add support for LAN966x PCI device reset: uniphier-glue: Use devm_reset_control_bulk_get_shared_deasserted() reset: Add devres helpers to request pre-deasserted reset controls reset: replace boolean parameters with flags parameter reset: amlogic: Fix small whitespace issue reset: amlogic: add auxiliary reset driver support reset: amlogic: split the device core and platform probe reset: amlogic: move drivers to a dedicated directory reset: amlogic: add reset status support reset: amlogic: use reset number instead of register count reset: amlogic: add driver parameters reset: amlogic: make parameters unsigned reset: amlogic: use generic data matching function ... Link: https://lore.kernel.org/r/20241105105229.3729474-1-p.zabel@pengutronix.de Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-11-12Merge tag 'scmi-updates-6.13' of ↵Arnd Bergmann
https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers Arm SCMI updates for v6.13 Just couple of main additions: 1. Support for variable I/O width within ARM SCMI shared memory area. Some shared memory areas might only support a certain access width, such as 32-bit, which memcpy_{from,to}_io() does not adhere to at least on ARM64 by making both 8-bit and 64-bit accesses to such memory. This support updates the shmem layer to support reading from and writing to such shared memory area using the specified I/O width in the Device Tree. The various transport layers making use of the shmem.c code are updated accordingly to pass the I/O accessors that they store. The device tree bindings are also updated for the same. 2. Extension of SCMI transport bindings to add more properties SCMI transports are characterized by a number of properties. The values assumed by some of them tightly depend on the choices taken at design time and on the overall archiecture of the specific platform: things like timeouts, maximum message size and number of in-flight messages are closely tied to the architecture of the platform like number of SCMI agents on the system, physical memory available to the SCMI platform and so on. Such details are not discoverable as they are outside the scope of the SCMI protocol specification. Currently such properties are simple default values defined at build time, but the increasing number and variety of platforms using SCMI with a wide range of designs has increased the need to have a way to describe such properties across all these platforms. Apart from the above two, there is one NULL pointer dereference fix for very age old SCPI protocol driver which seems to be still in use on few platforms. * tag 'scmi-updates-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_scpi: Check the DVFS OPP count returned by the firmware firmware: arm_scmi: Relocate atomic_threshold to scmi_desc firmware: arm_scmi: Use max_msg and max_msg_size devicetree properties dt-bindings: firmware: arm,scmi: Introduce more transport properties firmware: arm_scmi: Calculate virtio PDU max size dynamically firmware: arm_scmi: Account for SHMEM memory overhead firmware: arm_scmi: Support 'reg-io-width' property for shared memory dt-bindings: sram: Document reg-io-width property firmware: arm_scmi: Use vendor string in max-rx-timeout-ms dt-bindings: firmware: arm,scmi: Add missing vendor string firmware: arm_scmi: Reject clear channel request on A2P firmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier() Link: https://lore.kernel.org/r/20241106110727.4007489-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-11-12bus: Switch back to struct platform_driver::remove()Uwe Kleine-König
After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all platform drivers below drivers/bus to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-11-12arm64/ptrace: Clarify documentation of VL configuration via ptraceMark Brown
When we configure SVE, SSVE or ZA via ptrace we allow the user to configure the vector length and specify any of the flags that are accepted when configuring via prctl(). This includes the S[VM]E_SET_VL_ONEXEC flag which defers the configuration of the VL until an exec(). We don't do anything to limit the provision of register data as part of configuring the _ONEXEC VL but as a function of the VL enumeration support we do this will be interpreted using the vector length currently configured for the process. This is all a bit surprising, and probably we should just not have allowed register data to be specified with _ONEXEC, but it's our ABI so let's add some explicit documentation in both the ABI documents and the source calling out what happens. The comments are also missing the fact that since SME does not have a mandatory 128 bit VL it is possible for VL enumeration to result in the configuration of a higher VL than was requested, cover that too. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241106-arm64-sve-ptrace-vl-set-v1-1-3b164e8b559c@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12Revert "RDMA/core: Fix ENODEV error for iWARP test over vlan"Leon Romanovsky
The citied commit in Fixes line caused to regression for udaddy [1] application. It doesn't work over VLANs anymore. Client: ifconfig eth2 1.1.1.1 ip link add link eth2 name p0.3597 type vlan protocol 802.1Q id 3597 ip link set dev p0.3597 up ip addr add 2.2.2.2/16 dev p0.3597 udaddy -S 847 -C 220 -c 2 -t 0 -s 2.2.2.3 -b 2.2.2.2 Server: ifconfig eth2 1.1.1.3 ip link add link eth2 name p0.3597 type vlan protocol 802.1Q id 3597 ip link set dev p0.3597 up ip addr add 2.2.2.3/16 dev p0.3597 udaddy -S 847 -C 220 -c 2 -t 0 -b 2.2.2.3 [1] https://github.com/linux-rdma/rdma-core/blob/master/librdmacm/examples/udaddy.c Fixes: 5069d7e202f6 ("RDMA/core: Fix ENODEV error for iWARP test over vlan") Reported-by: Leon Romanovsky <leonro@nvidia.com> Closes: https://lore.kernel.org/all/20241110130746.GA48891@unreal Link: https://patch.msgid.link/bb9d403419b2b9566da5b8bf0761fa8377927e49.1731401658.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2024-11-12kselftest/arm64: Corrupt P0 in the irritator when testing SSVEMark Brown
When building for streaming SVE the irritator for SVE skips updates of both P0 and FFR. While FFR is skipped since it might not be present there is no reason to skip corrupting P0 so switch to an instruction valid in streaming mode and move the ifdef. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241107-arm64-fp-stress-irritator-v2-3-c4b9622e36ee@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12mips: dts: realtek: Add I2C controllersChris Packham
Add the I2C controllers that are part of the RTL9300 SoC. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12mips: dts: realtek: Add syscon-reboot nodeChris Packham
The board level reset on systems using the RTL9302 can be driven via the switch. Use a syscon-reboot node to represent this. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12MIPS: loongson3_defconfig: Enable blk_dev_nvme by defaultWangYuli
A significant number of 3A4000 machines come with NVMe drives pre-installed, so we should support it in its defconfig. Tested-by: Erpeng Xu <xuerpeng@uniontech.com> Tested-by: Qiang Ma <maqianga@uniontech.com> Signed-off-by: WangYuli <wangyuli@uniontech.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12MIPS: loongson3_defconfig: Update configs dependenciesWangYuli
Due to long-term changes in kernel build configurations, run 'make savedefconfig' to update the build configuration dependencies. This commit does not affect the actual .config file content, in preparation for future modifications to loongson3_defconfig. Signed-off-by: WangYuli <wangyuli@uniontech.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12acpi/arm64: remove unnecessary castMin-Hua Chen
DEFINE_RES_IRQ returns struct resource type, so it is unnecessary to cast it to struct resource. Remove the unnecessary cast to fix the following sparse warnings: drivers/acpi/arm64/gtdt.c:355:19: sparse: warning: cast to non-scalar drivers/acpi/arm64/gtdt.c:355:19: sparse: warning: cast from non-scalar No functional changes intended. Signed-off-by: Min-Hua Chen <minhuadotchen@gmail.com> Acked-by: Hanjun Guo <guohanjun@huawei.com> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240917233827.73167-1-minhuadotchen@gmail.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12MAINTAINERS: Remove linux-mips.org referencesMaciej W. Rozycki
The linux-mips.org site has gone down and no replacement is available at the moment. Remove/update references in MAINTAINERS accordingly. There are a bunch of Kconfig references still present; keep them around for a possible future update or for people to refer to via archive.org. Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12MAINTAINERS: Retire Ralf BaechleMaciej W. Rozycki
Ralf Baechle has been inactive for years now and the linux-mips.org site has gone down. No replacement contact information is available. Thomas has been kind enough to step up as a maintainer for EDAC-CAVIUM OCTEON and IOC3 ETHERNET DRIVER. Update MAINTAINERS, CREDITS, and .get_maintainer.ignore accordingly. Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12TC: Fix the wrong format specifierzhang jiao
The format specifier of "unsigned int" in pr_info() should be "%u", not "%d". Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com> Acked-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12MIPS: kernel: proc: Use str_yes_no() helper functionThorsten Blum
Remove hard-coded strings by using the str_yes_no() helper function. Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Reviewed-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-11-12arm64/mm: Change protval as 'pteval_t' in map_range()Anshuman Khandual
pgprot_t has been defined as an encapsulated structure with pteval_t as its element. Hence it is prudent to use pteval_t as the type instead of via the size based u64. Besides pteval_t type might be different size later on with FEAT_D128. Cc: Will Deacon <will@kernel.org> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Link: https://lore.kernel.org/r/20241111075249.609493-1-anshuman.khandual@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12srcu: Improve srcu_read_lock_lite() kernel-doc commentPaul E. McKenney
Where RCU is watching is where it is OK to invoke rcu_read_lock(). Reported-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12refscale: Add srcu_read_lock_lite() support using "srcu-lite"Paul E. McKenney
This commit creates a new srcu-lite option for the refscale.scale_type module parameter that selects srcu_read_lock_lite() and srcu_read_unlock_lite(). [ paulmck: Apply Dan Carpenter feedback. ] Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12rcutorture: Add light-weight SRCU scenarioPaul E. McKenney
This commit adds an rcutorture scenario that tests light-weight SRCU readers. While in the area, it adjusts the size of the TREE10 scenario. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12rcutorture: Add srcu_read_lock_lite() support to rcutorture.reader_flavorPaul E. McKenney
This commit causes bit 0x4 of rcutorture.reader_flavor to select the new srcu_read_lock_lite() and srcu_read_unlock_lite() functions. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12rcutorture: Add reader_flavor parameter for SRCU readersPaul E. McKenney
This commit adds an rcutorture.reader_flavor parameter whose bits correspond to reader flavors. For example, SRCU's readers are 0x1 for normal and 0x2 for NMI-safe. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12rcutorture: Expand RCUTORTURE_RDR_MASK_[12] to eight bitsPaul E. McKenney
This commit prepares for testing of multiple SRCU reader flavors by expanding RCUTORTURE_RDR_MASK_1 and RCUTORTURE_RDR_MASK_2 from a single bit to eight bits, allowing them to accommodate the return values from multiple calls to srcu_read_lock*(). This will in turn permit better testing coverage for these SRCU reader flavors, including testing of the diagnostics for inproper use of mixed reader flavors. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Allow inlining of __srcu_read_{,un}lock_lite()Paul E. McKenney
This commit moves __srcu_read_lock_lite() and __srcu_read_unlock_lite() into include/linux/srcu.h and marks them "static inline" so that they can be inlined into srcu_read_lock_lite() and srcu_read_unlock_lite(), respectively. They are not hand-inlined due to Tree SRCU and Tiny SRCU having different implementations. The earlier removal of smp_mb() combined with the inlining produce significant single-percentage performance wins. Link: https://lore.kernel.org/all/CAEf4BzYgiNmSb=ZKQ65tm6nJDi1UX2Gq26cdHSH1mPwXJYZj5g@mail.gmail.com/ Reported-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Add srcu_read_lock_lite() and srcu_read_unlock_lite()Paul E. McKenney
This patch adds srcu_read_lock_lite() and srcu_read_unlock_lite(), which dispense with the read-side smp_mb() but also are restricted to code regions that RCU is watching. If a given srcu_struct structure uses srcu_read_lock_lite() and srcu_read_unlock_lite(), it is not permitted to use any other SRCU read-side marker, before, during, or after. Another price of light-weight readers is heavier weight grace periods. Such readers mean that SRCU grace periods on srcu_struct structures used by light-weight readers will incur at least two calls to synchronize_rcu(). In addition, normal SRCU grace periods for light-weight-reader srcu_struct structures never auto-expedite. Note that expedited SRCU grace periods for light-weight-reader srcu_struct structures still invoke synchronize_rcu(), not synchronize_srcu_expedited(). Something about wishing to keep the IPIs down to a dull roar. The srcu_read_lock_lite() and srcu_read_unlock_lite() functions may not (repeat, *not*) be used from NMI handlers, but if this is needed, an additional flavor of SRCU reader can be added by some future commit. [ paulmck: Apply Alexei Starovoitov expediting feedback. ] [ paulmck: Apply kernel test robot feedback. ] Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Tested-by: kernel test robot <oliver.sang@intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Create CPP macros for normal and NMI-safe SRCU readersPaul E. McKenney
This commit creates SRCU_READ_FLAVOR_NORMAL and SRCU_READ_FLAVOR_NMI C-preprocessor macros for srcu_read_lock() and srcu_read_lock_nmisafe(), respectively. These replace the old true/false values that were previously passed to srcu_check_read_flavor(). In addition, the srcu_check_read_flavor() function itself requires a bit of rework to handle bitmasks instead of true/false values. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Improve srcu_read_lock{,_nmisafe}() commentsPaul E. McKenney
This commit adds some additional usage constraints to the kernel-doc headers of srcu_read_lock() and srcu_read_lock_nmi_safe(). Suggested-by: Andrii Nakryiko <andrii.nakryiko@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Standardize srcu_data pointers to "sdp" and similarPaul E. McKenney
This commit changes a few "cpuc" variables to "sdp" to align with usage elsewhere. [ paulmck: Apply Neeraj Upadhyay feedback. ] Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Bit manipulation changes for additional reader flavorPaul E. McKenney
Currently, there are only two flavors of readers, normal and NMI-safe. Very straightforward state updates suffice to check for erroneous mixing of reader flavors on a given srcu_struct structure. This commit upgrades the checking in preparation for the addition of light-weight (as in memory-barrier-free) readers. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12srcu: Renaming in preparation for additional reader flavorPaul E. McKenney
Currently, there are only two flavors of readers, normal and NMI-safe. A number of fields, functions, and types reflect this restriction. This renaming-only commit prepares for the addition of light-weight (as in memory-barrier-free) readers. OK, OK, there is also a drive-by white-space fixeup! Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2024-11-12ALSA: hda/realtek - Fixed Clevo platform headset Mic issueKailang Yang
Clevo platform with ALC255 Headset Mic was disable by default. Assigned verb table for Mic pin will enable it. Signed-off-by: Kailang Yang <kailang@realtek.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/b2dcac3e09ef4f82b36d6712194e1ea4@realtek.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-11-12kselftest/arm64: Fix missing printf() argument in gcs/gcs-stress.cCatalin Marinas
Compiling the child_cleanup() function results in: gcs-stress.c: In function ‘child_cleanup’: gcs-stress.c:266:75: warning: format ‘%d’ expects a matching ‘int’ argument [-Wformat=] 266 | ksft_print_msg("%s: Exited due to signal %d\n", | ~^ | | | int Add the missing child->exit_signal argument. Fixes: 05e6cfff58c4 ("kselftest/arm64: Add a GCS stress test") Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12ALSA: usb-audio: Fix Yamaha P-125 Quirk EntryEryk Zagorski
This patch switches the P-125 quirk entry to use a composite quirk as the P-125 supplies both MIDI and Audio like many of the other Yamaha keyboards Signed-off-by: Eryk Zagorski <erykzagorski@gmail.com> Link: https://patch.msgid.link/20241111164520.9079-2-erykzagorski@gmail.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-11-12writeback: wbc_attach_fdatawrite_inode out of lineChristoph Hellwig
This allows exporting this high-level interface only while keeping wbc_attach_and_unlock_inode private in fs-writeback.c and unexporting __inode_attach_wb. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20241112054403.1470586-3-hch@lst.de Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-12writeback: add a __releases annoation to wbc_attach_and_unlock_inodeChristoph Hellwig
This shuts up a sparse lock context tracking warning. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20241112054403.1470586-2-hch@lst.de Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-12fs: add the ability for statmount() to report the fs_subtypeJeff Layton
/proc/self/mountinfo prints out the sb->s_subtype after the type. This is particularly useful for disambiguating FUSE mounts (at least when the userland driver bothers to set it). Add STATMOUNT_FS_SUBTYPE and claim one of the __spare2 fields to point to the offset into the str[] array. Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Ian Kent <raven@themaw.net> Signed-off-by: Jeff Layton <jlayton@kernel.org> Link: https://lore.kernel.org/r/20241111-statmount-v4-2-2eaf35d07a80@kernel.org Acked-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-12fs: don't let statmount return empty stringsJeff Layton
When one of the statmount_string() handlers doesn't emit anything to seq, the kernel currently sets the corresponding flag and emits an empty string. Given that statmount() returns a mask of accessible fields, just leave the bit unset in this case, and skip any NULL termination. If nothing was emitted to the seq, then the EOVERFLOW and EAGAIN cases aren't applicable and the function can just return immediately. Signed-off-by: Jeff Layton <jlayton@kernel.org> Link: https://lore.kernel.org/r/20241111-statmount-v4-1-2eaf35d07a80@kernel.org Acked-by: Miklos Szeredi <mszeredi@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-12fs:aio: Remove TODO comment suggesting hash or array usage in io_cancel()Mohammed Anees
The comment suggests a hash or array approach to store the active requests. Currently it iterates through all the active requests and when found deletes the requested request, in the linked list. However io_cancel() isn’t a frequently used operation, and optimizing it wouldn’t bring a substantial benefit to real users and the increased complexity of maintaining a hashtable for this would be significant and will slow down other operation. Therefore remove this TODO to avoid people spending time improving this. Signed-off-by: Mohammed Anees <pvmohammedanees2003@gmail.com> Link: https://lore.kernel.org/r/20241112113906.15825-1-pvmohammedanees2003@gmail.com Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-12hfsplus: don't query the device logical block size multiple timesThadeu Lima de Souza Cascardo
Devices block sizes may change. One of these cases is a loop device by using ioctl LOOP_SET_BLOCK_SIZE. While this may cause other issues like IO being rejected, in the case of hfsplus, it will allocate a block by using that size and potentially write out-of-bounds when hfsplus_read_wrapper calls hfsplus_submit_bio and the latter function reads a different io_size. Using a new min_io_size initally set to sb_min_blocksize works for the purposes of the original fix, since it will be set to the max between HFSPLUS_SECTOR_SIZE and the first seen logical block size. We still use the max between HFSPLUS_SECTOR_SIZE and min_io_size in case the latter is not initialized. Tested by mounting an hfsplus filesystem with loop block sizes 512, 1024 and 4096. The produced KASAN report before the fix looks like this: [ 419.944641] ================================================================== [ 419.945655] BUG: KASAN: slab-use-after-free in hfsplus_read_wrapper+0x659/0xa0a [ 419.946703] Read of size 2 at addr ffff88800721fc00 by task repro/10678 [ 419.947612] [ 419.947846] CPU: 0 UID: 0 PID: 10678 Comm: repro Not tainted 6.12.0-rc5-00008-gdf56e0f2f3ca #84 [ 419.949007] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 [ 419.950035] Call Trace: [ 419.950384] <TASK> [ 419.950676] dump_stack_lvl+0x57/0x78 [ 419.951212] ? hfsplus_read_wrapper+0x659/0xa0a [ 419.951830] print_report+0x14c/0x49e [ 419.952361] ? __virt_addr_valid+0x267/0x278 [ 419.952979] ? kmem_cache_debug_flags+0xc/0x1d [ 419.953561] ? hfsplus_read_wrapper+0x659/0xa0a [ 419.954231] kasan_report+0x89/0xb0 [ 419.954748] ? hfsplus_read_wrapper+0x659/0xa0a [ 419.955367] hfsplus_read_wrapper+0x659/0xa0a [ 419.955948] ? __pfx_hfsplus_read_wrapper+0x10/0x10 [ 419.956618] ? do_raw_spin_unlock+0x59/0x1a9 [ 419.957214] ? _raw_spin_unlock+0x1a/0x2e [ 419.957772] hfsplus_fill_super+0x348/0x1590 [ 419.958355] ? hlock_class+0x4c/0x109 [ 419.958867] ? __pfx_hfsplus_fill_super+0x10/0x10 [ 419.959499] ? __pfx_string+0x10/0x10 [ 419.960006] ? lock_acquire+0x3e2/0x454 [ 419.960532] ? bdev_name.constprop.0+0xce/0x243 [ 419.961129] ? __pfx_bdev_name.constprop.0+0x10/0x10 [ 419.961799] ? pointer+0x3f0/0x62f [ 419.962277] ? __pfx_pointer+0x10/0x10 [ 419.962761] ? vsnprintf+0x6c4/0xfba [ 419.963178] ? __pfx_vsnprintf+0x10/0x10 [ 419.963621] ? setup_bdev_super+0x376/0x3b3 [ 419.964029] ? snprintf+0x9d/0xd2 [ 419.964344] ? __pfx_snprintf+0x10/0x10 [ 419.964675] ? lock_acquired+0x45c/0x5e9 [ 419.965016] ? set_blocksize+0x139/0x1c1 [ 419.965381] ? sb_set_blocksize+0x6d/0xae [ 419.965742] ? __pfx_hfsplus_fill_super+0x10/0x10 [ 419.966179] mount_bdev+0x12f/0x1bf [ 419.966512] ? __pfx_mount_bdev+0x10/0x10 [ 419.966886] ? vfs_parse_fs_string+0xce/0x111 [ 419.967293] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 419.967702] ? __pfx_hfsplus_mount+0x10/0x10 [ 419.968073] legacy_get_tree+0x104/0x178 [ 419.968414] vfs_get_tree+0x86/0x296 [ 419.968751] path_mount+0xba3/0xd0b [ 419.969157] ? __pfx_path_mount+0x10/0x10 [ 419.969594] ? kmem_cache_free+0x1e2/0x260 [ 419.970311] do_mount+0x99/0xe0 [ 419.970630] ? __pfx_do_mount+0x10/0x10 [ 419.971008] __do_sys_mount+0x199/0x1c9 [ 419.971397] do_syscall_64+0xd0/0x135 [ 419.971761] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 419.972233] RIP: 0033:0x7c3cb812972e [ 419.972564] Code: 48 8b 0d f5 46 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c2 46 0d 00 f7 d8 64 89 01 48 [ 419.974371] RSP: 002b:00007ffe30632548 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 419.975048] RAX: ffffffffffffffda RBX: 00007ffe306328d8 RCX: 00007c3cb812972e [ 419.975701] RDX: 0000000020000000 RSI: 0000000020000c80 RDI: 00007ffe306325d0 [ 419.976363] RBP: 00007ffe30632720 R08: 00007ffe30632610 R09: 0000000000000000 [ 419.977034] R10: 0000000000200008 R11: 0000000000000286 R12: 0000000000000000 [ 419.977713] R13: 00007ffe306328e8 R14: 00005a0eb298bc68 R15: 00007c3cb8356000 [ 419.978375] </TASK> [ 419.978589] Fixes: 6596528e391a ("hfsplus: ensure bio requests are not smaller than the hardware sectors") Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@igalia.com> Link: https://lore.kernel.org/r/20241107114109.839253-1-cascardo@igalia.com Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-12kselftest/arm64: Add FPMR coverage to fp-ptraceMark Brown
Add coverage for FPMR to fp-ptrace. FPMR can be available independently of SVE and SME, if SME is supported then FPMR is cleared by entering and exiting streaming mode. As with other registers we generate random values to load into the register, we restrict these to bitfields which are always defined. We also leave bitfields where the valid values are affected by the set of supported FP8 formats zero to reduce complexity, it is unlikely that specific bitfields will be affected by ptrace issues. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241112-arm64-fp-ptrace-fpmr-v2-3-250b57c61254@kernel.org [catalin.marinas@arm.com: use REG_FPMR instead of FPMR] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12kselftest/arm64: Expand the set of ZA writes fp-ptrace doesMark Brown
Currently our test for implementable ZA writes is written in a bit of a convoluted fashion which excludes all changes where we clear SVCR.SM even though we can actually support that since changing the vector length resets SVCR. Make the logic more direct, enabling us to actually run these cases. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241112-arm64-fp-ptrace-fpmr-v2-2-250b57c61254@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12kselftets/arm64: Use flag bits for features in fp-ptrace assembler codeMark Brown
The assembler portions of fp-ptrace are passed feature flags by the C code indicating which architectural features are supported. Currently these use an entire register for each flag which is wasteful and gets cumbersome as new flags are added. Switch to using flag bits in a single register to make things easier to maintain. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241112-arm64-fp-ptrace-fpmr-v2-1-250b57c61254@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12kselftest/arm64: Enable build of PAC tests with LLVM=1Mark Brown
Currently we don't build the PAC selftests when building with LLVM=1 since we attempt to test for PAC support in the toolchain before we've set up the build system to point at LLVM in lib.mk, which has to be one of the last things in the Makefile. Since all versions of LLVM supported for use with the kernel have PAC support we can just sidestep the issue by just assuming PAC is there when doing a LLVM=1 build. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241111-arm64-selftest-pac-clang-v1-1-08599ceee418@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12kselftest/arm64: Check that SVCR is 0 in signal handlersMark Brown
We don't currently validate that we exit streaming mode and clear ZA when we enter a signal handler. Add simple checks for this in the SSVE and ZA tests. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241106-arm64-fpmr-signal-test-v1-1-31fa34ce58fe@kernel.org [catalin.marinas@arm.com: Use %lx in fprintf() as uint64_t seems to be unsigned long in glibc] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-12ASoC: max9768: Fix event generation for playback muteMark Brown
The max9768 has a custom control for playback mute which unconditionally returns 0 from the put() operation, rather than returning 1 on change to ensure notifications are generated to userspace. Check to see if the value has changed and return appropriately. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://patch.msgid.link/20241112-asoc-max9768-event-v1-1-ba5d50599787@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-12spi: Delete useless checkszhang jiao
Since "res" will never be null, just delete this check. Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com> Link: https://patch.msgid.link/20241112081637.40962-1-zhangjiao2@cmss.chinamobile.com Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-12regulator: Switch back to struct platform_driver::remove()Uwe Kleine-König
After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all platform drivers below drivers/regulator to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. A few whitespace changes are done en passant to make indention consistent. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Link: https://patch.msgid.link/ab85510f83fa901e44d5d563fe6e768054229bfe.1731398433.git.u.kleine-koenig@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-12s390/syscalls: Convert filechk to if_changedMasahiro Yamada
The filechk macro always executes the syscalltbl script (and discards the output if there are no changes). Using if_changed is more efficient because it avoids running the script when the target is up-to-date and the command remains unchanged. All other architectures use if_changed for generating syscall headers. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20241111134603.2063226-3-masahiroy@kernel.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-11-12s390/syscalls: Remove unnecessary argument of filechk_syshdrMasahiro Yamada
The filechk_syshdr macro receives $@ in both cases, making the argument redundant. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20241111134603.2063226-2-masahiroy@kernel.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-11-12s390/syscalls: Avoid creation of arch/arch/ directoryMasahiro Yamada
Building the kernel with ARCH=s390 creates a weird arch/arch/ directory. $ find arch/arch arch/arch arch/arch/s390 arch/arch/s390/include arch/arch/s390/include/generated arch/arch/s390/include/generated/asm arch/arch/s390/include/generated/uapi arch/arch/s390/include/generated/uapi/asm The root cause is 'targets' in arch/s390/kernel/syscalls/Makefile, where the relative path is incorrect. Strictly speaking, 'targets' was not necessary in the first place because this Makefile uses 'filechk' instead of 'if_changed'. However, this commit keeps it, as it will be useful when converting 'filechk' to 'if_changed' later. Fixes: 5c75824d915e ("s390/syscalls: add Makefile to generate system call header files") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20241111134603.2063226-1-masahiroy@kernel.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com>