Some configurations want to enable CONFIG_KUNIT without enabling
CONFIG_OF_OVERLAY. The kunit overlay code already skips if
CONFIG_OF_OVERLAY isn't enabled, so this select here isn't really doing
anything besides making it easier to run the tests without them
skipping. Remove the select and move the config setting to the
drivers/of/.kunitconfig file so that the overlay tests can be run with
or without CONFIG_OF_OVERLAY set to test either behavior.
Fixes: 5c9dd72d83 ("of: Add a KUnit test for overlays and test managed APIs")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20241016212016.887552-1-sboyd@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Merge miscellaneous ACPI changes for 6.13-rc1:
- Switch several ACPI platform drivers back to using struct
platform_driver::remove() (Uwe Kleine-König).
- Replace strcpy() with strscpy() in multiple places in the ACPI
subsystem (Muhammad Qasim Abdul Majeed, Abdul Rahim).
* acpi-misc:
ACPI: Switch back to struct platform_driver::remove()
ACPI: scan: Use strscpy() instead of strcpy()
ACPI: SBSHC: Use strscpy() instead of strcpy()
ACPI: SBS: Use strscpy() instead of strcpy()
ACPI: power: Use strscpy() instead of strcpy()
ACPI: pci_root: Use strscpy() instead of strcpy()
ACPI: pci_link: Use strscpy() instead of strcpy()
ACPI: event: Use strscpy() instead of strcpy()
ACPI: EC: Use strscpy() instead of strcpy()
ACPI: APD: Use strscpy() instead of strcpy()
ACPI: thermal: Use strscpy() instead of strcpy()
Merge and ACPI processor driver update, ACPI x86-specific code updates,
and an ACPI backlight (video) driver quirk for 6.13-rc1:
- Rearrange the processor_perflib code in the ACPI processor driver
to avoid compiling x86-specific code on other architectures (Arnd
Bergmann).
- Add adev NULL check to acpi_quirk_skip_serdev_enumeration() and
make UART skip quirks work on PCI UARTs without an UID (Hans de
Goede).
- Force native backlight handling Apple MacbookPro11,2 and Air7,2 in
the ACPI video driver (Jonathan Denose).
* acpi-processor:
ACPI: processor_perflib: extend X86 dependency
* acpi-x86:
ACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()
ACPI: x86: Make UART skip quirks work on PCI UARTs without an UID
* acpi-video:
ACPI: video: force native for Apple MacbookPro11,2 and Air7,2
Merge updates of the ACPI battery and EC drivers, an ACPI Platform
Firmware Runtime (PFR) telemetry driver update and an ACPI OS support
layer change for 6.13-rc1:
- Use DEFINE_SIMPLE_DEV_PM_OPS in the ACPI battery driver, make it use
devm_ for initializing mutexes and allocating driver data, and make
it check the register_pm_notifier() return value (Thomas Weißschuh,
Andy Shevchenko).
- Make the ACPI EC driver support compile-time conditional and allow
ACPI to be built without CONFIG_HAS_IOPORT (Arnd Bergmann).
- Remove a redundant error check from the pfr_telemetry driver (Colin
Ian King).
* acpi-battery:
ACPI: battery: Check for error code from devm_mutex_init() call
ACPI: battery: use DEFINE_SIMPLE_DEV_PM_OPS
ACPI: battery: initialize mutexes through devm_ APIs
ACPI: battery: allocate driver data through devm_ APIs
ACPI: battery: check result of register_pm_notifier()
* acpi-ec:
ACPI: EC: make EC support compile-time conditional
* acpi-pfr:
ACPI: pfr_telemetry: remove redundant error check on ret
* acpi-osl:
ACPI: allow building without CONFIG_HAS_IOPORT
* A fix for the CPU perf driver that avoids leaking CPU ID references on
systems without snapshot support.
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Merge tag 'riscv-for-linus-6.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fix from Palmer Dabbelt:
- A fix for the CPU perf driver that avoids leaking CPU ID references
on systems without snapshot support.
* tag 'riscv-for-linus-6.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
drivers: perf: Fix wrong put_cpu() placement
Pull MD fixes from Song:
"This set contains a fix for a W=1 warning, by John Garry, and a
MAINTAINERS update."
* tag 'md-6.13-20241115' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux:
MAINTAINERS: Update git tree for mdraid subsystem
md/raid5: Increase r5conf.cache_name size
Now we've got a more generic region registration API, place
IORING_ENTER_EXT_ARG_REG and re-enable it.
First, the user has to register a region with the
IORING_MEM_REGION_REG_WAIT_ARG flag set. It can only be done for a
ring in a disabled state, aka IORING_SETUP_R_DISABLED, to avoid races
with already running waiters. With that we should have stable constant
values for ctx->cq_wait_{size,arg} in io_get_ext_arg_reg() and hence no
READ_ONCE required.
The other API difference is that we're now passing byte offsets instead
of indexes. The user _must_ align all offsets / pointers to the native
word size, failing to do so might but not necessarily has to lead to a
failure usually returned as -EFAULT. liburing will be hiding this
details from users.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/81822c1b4ffbe8ad391b4f9ad1564def0d26d990.1731689588.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Merge power management utilities updates for 6.13-rc1:
- Update pm-graph to v5.13 (Todd Brandt).
- Add documentation for some recently introduced cpupower utility
options (Tor Vic).
- Make cpupower inform users where cpufreq-bench.conf should be located
when opening it fails (Peng Fan).
- Allow overriding cross-compiling env params in cpupower (Peng Fan).
- Add compile_commands.json to .gitignore in cpupower (John B. Wyatt
IV).
- Improve disable c_state block in cpupower bindings and add a test to
confirm that CPU state is disabled to it (John B. Wyatt IV).
- Add Chinese Simplified translation to cpupower (Kieran Moy).
- Add checks for xgettext and msgfmt to cpupower (Siddharth Menon).
* pm-tools:
cpupower: add checks for xgettext and msgfmt
cpupower: Add Chinese Simplified translation
pm-graph v5.13
pm: cpupower: bindings: Add test to confirm cpu state is disabled
pm: cpupower: bindings: Improve disable c_state block
pm: cpupower: gitignore: Add compile_commands.json
pm: cpupower: Makefile: Allow overriding cross-compiling env params
pm: cpupower: bench: print config file path when open cpufreq-bench.conf fails
tools/power/cpupower: Add documentation for some recently introduced options
Merge cpuidle and Energy Model changes for 6.13-rc1:
- Add a built-in idle states table for Granite Rapids Xeon D to the
intel_idle driver (Artem Bityutskiy).
- Fix some typos in comments in the cpuidle core and drivers (Shen
Lichuan).
- Remove iowait influence from the menu cpuidle governor (Christian
Loehle).
- Add min/max available performance state limits to the Energy Model
management code (Lukasz Luba).
* pm-cpuidle:
intel_idle: add Granite Rapids Xeon D support
cpuidle: Correct some typos in comments
cpuidle: menu: Remove iowait influence
* pm-em:
PM: EM: Add min/max available performance state limits
amdgpu:
- PSR fix
- Panel replay fixes
- DML fix
- vblank power fix
- Fix video caps
- SMU 14.0 fix
- GPUVM fix
- MES 12 fix
- APU carve out fix
- DC vbios fix
- NBIO fix
i915:
- Don't load GSC on ARL-H and ARL-U if too old FW
- Avoid potential OOPS in enabling/disabling TV output
xe:
- Fix unlock on exec ioctl error path
- Fix hibernation on LNL due to ggtt getting lost
- Fix missing runtime PM in OA release
bridge:
- tc358768: Fix DSI command tx
nouveau:
- Fix GSP AUX error handling
- dp: Handle retires for AUX CH transfers with GSP
- fw: Sync DMA after setup
panthor:
- Fix partial BO mappings to GPU
rockchip:
- vop: Avoid null-ptr deref in plane-state check
vmwgfx:
- Avoid null-ptr deref in surface creation
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Merge tag 'drm-fixes-2024-11-16' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Final week of fixes, lots of small amdgpu fixes, some i915 and xe
fixes, the nouveau changes fix a recent regression and some laptop
panel black screens, then a couple of other misc ones.
It's probably a little busier than I'd like, but each fix seems fine.
amdgpu:
- PSR fix
- Panel replay fixes
- DML fix
- vblank power fix
- Fix video caps
- SMU 14.0 fix
- GPUVM fix
- MES 12 fix
- APU carve out fix
- DC vbios fix
- NBIO fix
i915:
- Don't load GSC on ARL-H and ARL-U if too old FW
- Avoid potential OOPS in enabling/disabling TV output
xe:
- Fix unlock on exec ioctl error path
- Fix hibernation on LNL due to ggtt getting lost
- Fix missing runtime PM in OA release
bridge:
- tc358768: Fix DSI command tx
nouveau:
- Fix GSP AUX error handling
- dp: Handle retires for AUX CH transfers with GSP
- fw: Sync DMA after setup
panthor:
- Fix partial BO mappings to GPU
rockchip:
- vop: Avoid null-ptr deref in plane-state check
vmwgfx:
- Avoid null-ptr deref in surface creation"
* tag 'drm-fixes-2024-11-16' of https://gitlab.freedesktop.org/drm/kernel: (27 commits)
drm/bridge: tc358768: Fix DSI command tx
drm/vmwgfx: avoid null_ptr_deref in vmw_framebuffer_surface_create_handle
nouveau/dp: handle retries for AUX CH transfers with GSP.
nouveau: handle EBUSY and EAGAIN for GSP aux errors.
nouveau: fw: sync dma after setup is called.
drm/xe/oa: Fix "Missing outer runtime PM protection" warning
drm/xe: handle flat ccs during hibernation on igpu
drm/xe: improve hibernation on igpu
drm/xe: Restore system memory GGTT mappings
drm/xe: Ensure all locks released in exec IOCTL
drm/panthor: Fix handling of partial GPU mapping of BOs
drm/amd: Fix initialization mistake for NBIO 7.7.0
Revert "drm/amd/display: parse umc_info or vram_info based on ASIC"
drm/amd/display: Fix failure to read vram info due to static BP_RESULT
drm/amdgpu: enable GTT fallback handling for dGPUs only
drm/i915: Grab intel_display from the encoder to avoid potential oopsies
drm/i915/gsc: ARL-H and ARL-U need a newer GSC FW.
drm/amdgpu/mes12: correct kiq unmap latency
drm/amdgpu: fix check in gmc_v9_0_get_vm_pte()
drm/amd/pm: print pp_dpm_mclk in ascending order on SMU v14.0.0
...
- Revert a change to the VLAN logic, this broke previously work ROCE
configurations
- Fix a memory leak on error unwinding in bnxt_re
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
- Revert a change to the VLAN logic, this broke previously working ROCE
configurations
- Fix a memory leak on error unwinding in bnxt_re
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
Revert "RDMA/core: Fix ENODEV error for iWARP test over vlan"
RDMA/bnxt_re: Remove some dead code
RDMA/bnxt_re: Fix some error handling paths in bnxt_re_probe()
- Fix unlock on exec ioctl error path (Matthew Brost)
- Fix hibernation on LNL due to ggtt getting lost
(Matthew Brost / Matthew Auld)
- Fix missing runtime PM in OA release (Ashutosh)
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Merge tag 'drm-xe-fixes-2024-11-14' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Fix unlock on exec ioctl error path (Matthew Brost)
- Fix hibernation on LNL due to ggtt getting lost
(Matthew Brost / Matthew Auld)
- Fix missing runtime PM in OA release (Ashutosh)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5ntcf2ssmmvo5dsf2mdcee4guwwmpbm3xrlufgt2pdfmznzjo3@62ygo3bxkock
- Add GENPD_FLAG_DEV_NAME_FW flag to generate unique names
pmdomain providers:
- arm: Use FLAG_DEV_NAME_FW to ensure unique names
- imx93-blk-ctrl: Fix the remove path
arm_scmi/qcom-cpucp:
- Report duplicate OPPs as firmware bugs for arm_scmi
- Skip OPP duplicates for arm_scmi
- Mark the qcom-cpucp mailbox irq with IRQF_NO_SUSPEND flag
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Merge tag 'pmdomain-v6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson:
"pmdomain core:
- Add GENPD_FLAG_DEV_NAME_FW flag to generate unique names
pmdomain providers:
- arm: Use FLAG_DEV_NAME_FW to ensure unique names
- imx93-blk-ctrl: Fix the remove path
arm_scmi/qcom-cpucp:
- Report duplicate OPPs as firmware bugs for arm_scmi
- Skip OPP duplicates for arm_scmi
- Mark the qcom-cpucp mailbox irq with IRQF_NO_SUSPEND flag"
* tag 'pmdomain-v6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
mailbox: qcom-cpucp: Mark the irq with IRQF_NO_SUSPEND flag
firmware: arm_scmi: Report duplicate opps as firmware bugs
firmware: arm_scmi: Skip opp duplicates
pmdomain: imx93-blk-ctrl: correct remove path
pmdomain: arm: Use FLAG_DEV_NAME_FW to ensure unique names
pmdomain: core: Add GENPD_FLAG_DEV_NAME_FW flag
A few last-minute fixes. All changes are device-specific small
fixes that should be pretty safe to apply.
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Merge tag 'sound-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few last-minute fixes. All changes are device-specific small fixes
that should be pretty safe to apply"
* tag 'sound-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - update set GPIO3 to default for Thinkpad with ALC1318
ALSA: hda/realtek: fix mute/micmute LEDs for a HP EliteBook 645 G10
ALSA: hda/realtek - Fixed Clevo platform headset Mic issue
ALSA: usb-audio: Fix Yamaha P-125 Quirk Entry
ASoC: max9768: Fix event generation for playback mute
ASoC: intel: sof_sdw: add quirk for Dell SKU
ASoC: audio-graph-card2: Purge absent supplies for device tree nodes
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Merge tag 'v6.12-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix a regression in the MIPS CRC32C code"
* tag 'v6.12-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: mips/crc32 - fix the CRC32C implementation
ops.cpu_acquire() was being invoked with the wrong kfunc mask allowing the
operation to call kfuncs which shouldn't be allowed. Fix it by using
SCX_KF_REST instead, which is trivial and low risk.
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Merge tag 'sched_ext-for-6.12-rc7-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fix from Tejun Heo:
"One more fix for v6.12-rc7
ops.cpu_acquire() was being invoked with the wrong kfunc mask allowing
the operation to call kfuncs which shouldn't be allowed. Fix it by
using SCX_KF_REST instead, which is trivial and low risk"
* tag 'sched_ext-for-6.12-rc7-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: ops.cpu_acquire() should be called with SCX_KF_REST
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Merge tag 'for-6.12-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more fix that seems urgent and good to have in 6.12 final.
It could potentially lead to unexpected transaction aborts, due to
wrong comparison and order of processing of delayed refs"
* tag 'for-6.12-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix incorrect comparison for delayed refs
Regions will serve multiple purposes. First, with it we can decouple
ring/etc. object creation from registration / mapping of the memory they
will be placed in. We already have hacks that allow to put both SQ and
CQ into the same huge page, in the future we should be able to:
region = create_region(io_ring);
create_pbuf_ring(io_uring, region, offset=0);
create_pbuf_ring(io_uring, region, offset=N);
The second use case is efficiently passing parameters. The following
patch enables back on top of regions IORING_ENTER_EXT_ARG_REG, which
optimises wait arguments. It'll also be useful for request arguments
replacing iovecs, msghdr, etc. pointers. Eventually it would also be
handy for BPF as well if it comes to fruition.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0798cf3a14fad19cfc96fc9feca5f3e11481691d.1731689588.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We've got a good number of mappings we share with the userspace, that
includes the main rings, provided buffer rings, upcoming rings for
zerocopy rx and more. All of them duplicate user argument parsing and
some internal details as well (page pinnning, huge page optimisations,
mmap'ing, etc.)
Introduce a notion of regions. For userspace for now it's just a new
structure called struct io_uring_region_desc which is supposed to
parameterise all such mapping / queue creations. A region either
represents a user provided chunk of memory, in which case the user_addr
field should point to it, or a request for the kernel to allocate the
memory, in which case the user would need to mmap it after using the
offset returned in the mmap_offset field. With a uniform userspace API
we can avoid additional boiler plate code and apply future optimisation
to all of them at once.
Internally, there is a new structure struct io_mapped_region holding all
relevant runtime information and some helpers to work with it. This
patch limits it to user provided regions.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0e6fe25818dfbaebd1bd90b870a6cac503fe1a24.1731689588.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We're a bit too frivolous with types of nr_pages arguments, converting
it to long and back to int, passing an unsigned int pointer as an int
pointer and so on. Shouldn't cause any problem but should be carefully
reviewed, but until then let's add a WARN_ON_ONCE check to be more
confident callers don't pass poorely checked arguents.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d48e0c097cbd90fb47acaddb6c247596510d8cfc.1731689588.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use CLASS(fd) to get the file for sync message ring requests, rather
than open-code the file retrieval dance.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20241115034902.GP3387508@ZenIV
[axboe: make a more coherent commit message]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
For unbound workqueue, pwqs usually map to just a few pools. Most of
the time, pwqs will be linked sequentially to wq->pwqs list by cpu
index. Usually, consecutive CPUs have the same workqueue attribute
(e.g. belong to the same NUMA node). This makes pwqs with the same
pool cluster together in the pwq list.
Only do lock/unlock if the pool has changed in flush_workqueue_prep_pwqs().
This reduces the number of expensive lock operations.
The performance data shows this change boosts FIO by 65x in some cases
when multiple concurrent threads write to xfs mount points with fsync.
FIO Benchmark Details
- FIO version: v3.35
- FIO Options: ioengine=libaio,iodepth=64,norandommap=1,rw=write,
size=128M,bs=4k,fsync=1
- FIO Job Configs: 64 jobs in total writing to 4 mount points (ramdisks
formatted as xfs file system).
- Kernel Codebase: v6.12-rc5
- Test Platform: Xeon 8380 (2 sockets)
Reviewed-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Wangyang Guo <wangyang.guo@intel.com>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
When CONFIG_CMDLINE_EXTEND is set, the core kernel command line handling
logic appends CONFIG_CMDLINE to the bootloader provided command line.
The EFI stub does the opposite, and parses the builtin one first.
The usual behavior of command line options is that the last one takes
precedence if it appears multiple times, unless there is a meaningful
way to combine them. In either case, parsing the builtin command line
first while the core kernel does it in the opposite order is likely to
produce inconsistent results in such cases.
Therefore, switch the order in the stub to match the core kernel.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Kexec bypasses EFI's switch to virtual mode. In exchange, it has its own
routine, kexec_enter_virtual_mode(), which replays the mappings made by
the original kernel. Unfortunately, that function fails to reinstate
EFI's memory attributes, which would've otherwise been set after
entering virtual mode. Remediate this by calling
efi_runtime_update_mappings() within kexec's routine.
Signed-off-by: Nicolas Saenz Julienne <nsaenz@amazon.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Drop support for the EFI_PROPERTIES_TABLE. It was a failed, short-lived
experiment that broke the boot both on Linux and Windows, and was
replaced by the EFI_MEMORY_ATTRIBUTES_TABLE shortly after.
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Nicolas Saenz Julienne <nsaenz@amazon.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
- Fix a missing of_node_put() in RCPM
- Fix a missing error code on failure in CPM1 QMC
- Switch to using for_each_available_child_of_node_scoped() in CPM1 TSA
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Merge tag 'soc_fsl-6.13-1' of https://github.com/chleroy/linux into soc/drivers
FSL SOC changes for 6.13:
- Fix a missing of_node_put() in RCPM
- Fix a missing error code on failure in CPM1 QMC
- Switch to using for_each_available_child_of_node_scoped() in CPM1 TSA
* tag 'soc_fsl-6.13-1' of https://github.com/chleroy/linux:
soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()
Link: https://lore.kernel.org/r/c3c4961b-fe2a-4fcc-a7a1-f8b5352e09a2@csgroup.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A previous commit changed how requests are linked in the plug structure,
but unlike the previous method, it uses a new type for it rather than
struct request. The latter is available even for !CONFIG_BLOCK, while
struct rq_list is now. Move it outside CONFIG_BLOCK.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Fixes: a3396b9999 ("block: add a rq_list type")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In cesa/cipher.c most declarations of struct mv_cesa_op_ctx are uninitialized.
This causes one of the values in the struct to be left unitialized in later
usages.
This patch fixes it by adding initializations in the same way it is done in
cesa/hash.c.
Fixes errors discovered in coverity: 1600942, 1600939, 1600935, 1600934, 1600929, 1600927,
1600925, 1600921, 1600920, 1600919, 1600915, 1600914
Signed-off-by: Karol Przybylski <karprzy7@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
If do_cpt_init() fails, a previous dma_alloc_coherent() call needs to be
undone.
Add the needed dma_free_coherent() before returning.
Fixes: 9e2c7d9994 ("crypto: cavium - Add Support for Octeon-tx CPT Engine")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch reverts commit 0fbafd06bd
("crypto: aesni - fix failing setkey for rfc4106-gcm-aesni") by
moving the aesni init function back to module_init from late_initcall.
The original patch was needed because tests were synchronous. This
is no longer the case so there is no need to postpone the registration.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This function is part of the exposed API and should be exported.
Otherwise a modular user would fail to build, e.g., crypto/rsa.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
A hwcap feature bit is passed to cpu_has_feature, resulting in testing
for CPU_FTR_MMCRA instead of the 3.1 platform revision.
Fixes: c954b252de ("crypto: powerpc/p10-aes-gcm - Register modules as SIMD")
Reported-by: Nicolai Stange <nstange@suse.com>
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Commit 62f8f307c80e ("powerpc/64: Remove maple platform") removes the
PPC_MAPLE config as a consequence of the platform’s removal.
The config definition of HW_RANDOM_AMD refers to this removed config option
in its dependencies.
Remove the reference to the removed config option.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The CRC-T10DIF algorithm produces a 16-bit CRC, and this is reflected in
the folding coefficients, which are also only 16 bits wide.
This means that the polynomial multiplications involving these
coefficients can be performed using 8-bit long polynomial multiplication
(8x8 -> 16) in only a few steps, and this is an instruction that is part
of the base NEON ISA, which is all most real ARMv7 cores implement. (The
64-bit PMULL instruction is part of the crypto extensions, which are
only implemented by 64-bit cores)
The final reduction is a bit more involved, but we can delegate that to
the generic CRC-T10DIF implementation after folding the entire input
into a 16 byte vector.
This results in a speedup of around 6.6x on Cortex-A72 running in 32-bit
mode. On Cortex-A8 (BeagleBone White), the results are substantially
better than that, but not sufficiently reproducible (with tcrypt) to
quote a number here.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
To allow an alternative version to be created of the PMULL based
CRC-T10DIF algorithm, turn the bulk of it into a macro, except for the
final reduction, which will only be used by the existing version.
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The only remaining user of the fallback implementation of 64x64
polynomial multiplication using 8x8 PMULL instructions is the final
reduction from a 16 byte vector to a 16-bit CRC.
The fallback code is complicated and messy, and this reduction has
little impact on the overall performance, so instead, let's calculate
the final CRC by passing the 16 byte vector to the generic CRC-T10DIF
implementation when running the fallback version.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The CRC-T10DIF implementation for arm64 has a version that uses 8x8
polynomial multiplication, for cores that lack the crypto extensions,
which cover the 64x64 polynomial multiplication instruction that the
algorithm was built around.
This fallback version rather naively adopted the 64x64 polynomial
multiplication algorithm that I ported from ARM for the GHASH driver,
which needs 8 PMULL8 instructions to implement one PMULL64. This is
reasonable, given that each 8-bit vector element needs to be multiplied
with each element in the other vector, producing 8 vectors with partial
results that need to be combined to yield the correct result.
However, most PMULL64 invocations in the CRC-T10DIF code involve
multiplication by a pair of 16-bit folding coefficients, and so all the
partial results from higher order bytes will be zero, and there is no
need to calculate them to begin with.
Then, the CRC-T10DIF algorithm always XORs the output values of the
PMULL64 instructions being issued in pairs, and so there is no need to
faithfully implement each individual PMULL64 instruction, as long as
XORing the results pairwise produces the expected result.
Implementing these improvements results in a speedup of 3.3x on low-end
platforms such as Raspberry Pi 4 (Cortex-A72)
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This is a partial revert of commit fc754c024a, which moved the logic
into C code which ensures that kernel mode NEON code does not hog the
CPU for too long.
This is no longer needed now that kernel mode NEON no longer disables
preemption, so we can drop this.
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The ahash_init functions may return fails. The ahash_hmac_init should
not return ok when ahash_init returns error. For an example, ahash_init
will return -ENOMEM when allocation memory is error.
Fixes: 9d12ba86f8 ("crypto: brcm - Add Broadcom SPU driver")
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The caam_rsa_set_priv_key_form did not check for memory allocation errors.
Add the checks to the caam_rsa_set_priv_key_form functions.
Fixes: 52e26d77b8 ("crypto: caam - add support for RSA key form 2")
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
There are reports [0] of cases where a corrupt EFI Memory Attributes
Table leads to out of memory issues at boot because the descriptor size
and entry count in the table header are still used to reserve the entire
table in memory, even though the resulting region is gigabytes in size.
Given that the EFI Memory Attributes Table is supposed to carry up to 3
entries for each EfiRuntimeServicesCode region in the EFI memory map,
and given that there is no reason for the descriptor size used in the
table to exceed the one used in the EFI memory map, 3x the size of the
entire EFI memory map is a reasonable upper bound for the size of this
table. This means that sizes exceeding that are highly likely to be
based on corrupted data, and the table should just be ignored instead.
[0] https://bugzilla.suse.com/show_bug.cgi?id=1231465
Cc: Gregory Price <gourry@gourry.net>
Cc: Usama Arif <usamaarif642@gmail.com>
Acked-by: Jiri Slaby <jirislaby@kernel.org>
Acked-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/all/20240912155159.1951792-2-ardb+git@google.com/
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
EFI zboot no longer uses LoadImage/StartImage, but subsumes the arch
code to load and start the bare metal image directly. Fix the Kconfig
description accordingly.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
cmdline_ptr is an out parameter, which is not allocated by the function
itself, and likely points into the caller's stack.
cmdline refers to the pool allocation that should be freed when cleaning
up after a failure, so pass this instead to free_pool().
Fixes: 42c8ea3dca ("efi: libstub: Factor out EFI stub entrypoint ...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Syzbot has reported the following BUG:
kernel BUG at fs/ocfs2/uptodate.c:509!
...
Call Trace:
<TASK>
? __die_body+0x5f/0xb0
? die+0x9e/0xc0
? do_trap+0x15a/0x3a0
? ocfs2_set_new_buffer_uptodate+0x145/0x160
? do_error_trap+0x1dc/0x2c0
? ocfs2_set_new_buffer_uptodate+0x145/0x160
? __pfx_do_error_trap+0x10/0x10
? handle_invalid_op+0x34/0x40
? ocfs2_set_new_buffer_uptodate+0x145/0x160
? exc_invalid_op+0x38/0x50
? asm_exc_invalid_op+0x1a/0x20
? ocfs2_set_new_buffer_uptodate+0x2e/0x160
? ocfs2_set_new_buffer_uptodate+0x144/0x160
? ocfs2_set_new_buffer_uptodate+0x145/0x160
ocfs2_group_add+0x39f/0x15a0
? __pfx_ocfs2_group_add+0x10/0x10
? __pfx_lock_acquire+0x10/0x10
? mnt_get_write_access+0x68/0x2b0
? __pfx_lock_release+0x10/0x10
? rcu_read_lock_any_held+0xb7/0x160
? __pfx_rcu_read_lock_any_held+0x10/0x10
? smack_log+0x123/0x540
? mnt_get_write_access+0x68/0x2b0
? mnt_get_write_access+0x68/0x2b0
? mnt_get_write_access+0x226/0x2b0
ocfs2_ioctl+0x65e/0x7d0
? __pfx_ocfs2_ioctl+0x10/0x10
? smack_file_ioctl+0x29e/0x3a0
? __pfx_smack_file_ioctl+0x10/0x10
? lockdep_hardirqs_on_prepare+0x43d/0x780
? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
? __pfx_ocfs2_ioctl+0x10/0x10
__se_sys_ioctl+0xfb/0x170
do_syscall_64+0xf3/0x230
entry_SYSCALL_64_after_hwframe+0x77/0x7f
...
</TASK>
When 'ioctl(OCFS2_IOC_GROUP_ADD, ...)' has failed for the particular
inode in 'ocfs2_verify_group_and_input()', corresponding buffer head
remains cached and subsequent call to the same 'ioctl()' for the same
inode issues the BUG() in 'ocfs2_set_new_buffer_uptodate()' (trying
to cache the same buffer head of that inode). Fix this by uncaching
the buffer head with 'ocfs2_remove_from_cache()' on error path in
'ocfs2_group_add()'.
Link: https://lkml.kernel.org/r/20241114043844.111847-1-dmantipov@yandex.ru
Fixes: 7909f2bf83 ("[PATCH 2/2] ocfs2: Implement group add for online resize")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reported-by: syzbot+453873f1588c2d75b447@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=453873f1588c2d75b447
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Dmitry Antipov <dmantipov@yandex.ru>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
