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The nsproxy structure contains nearly all of the namespaces associated
with a task. When a given namespace type is not supported by this kernel
the rules whether the corresponding pointer in struct nsproxy is NULL or
always init_<ns_type>_ns differ per namespace. Ideally, that wouldn't be
the case and for all namespace types we'd always set it to
init_<ns_type>_ns when the corresponding namespace type isn't supported.
Make sure we handle all namespaces where the pointer in struct nsproxy
can be NULL when the namespace type isn't supported.
Link: https://lore.kernel.org/r/20240722-work-pidfs-e6a83030f63e@brauner
Fixes: 5b08bd4085 ("pidfs: allow retrieval of namespace file descriptors") # mainline only
Signed-off-by: Christian Brauner <brauner@kernel.org>
correct the comments of vfs_*() helpers in fs/namei.c, including:
1. vfs_create()
2. vfs_mknod()
3. vfs_mkdir()
4. vfs_rmdir()
5. vfs_symlink()
All of them come from the same commit:
6521f89170 "namei: prepare for idmapped mounts"
The @dentry is actually the dentry of child directory rather than
base directory(parent directory), and thus the @dir has to be
modified due to the change of @dentry.
Signed-off-by: Congjie Zhou <zcjie0802@qq.com>
Link: https://lore.kernel.org/r/tencent_2FCF6CC9E10DC8A27AE58A5A0FE4FCE96D0A@qq.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Lockless hash lookup can find and lock the inode after it gets the
I_FREEING flag set, at which point it blocks waiting for teardown in
evict() to finish.
However, the flag is still set even after evict() wakes up all waiters.
This results in a race where if the inode lock is taken late enough, it
can happen after both hash removal and wakeups, meaning there is nobody
to wake the racing thread up.
This worked prior to RCU-based lookup because the entire ordeal was
synchronized with the inode hash lock.
Since unhashing requires the inode lock, we can safely check whether it
happened after acquiring it.
Link: https://lore.kernel.org/v9fs/20240717102458.649b60be@kernel.org/
Reported-by: Dominique Martinet <asmadeus@codewreck.org>
Fixes: 7180f8d91f ("vfs: add rcu-based find_inode variants for iget ops")
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20240718151838.611807-1-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
We need to disable softinterrupts, else we get following problem:
1. pipapo_avx2 called from process context; fpu usable
2. preempt_disable() called, pcpu scratchmap in use
3. softirq handles rx or tx, we re-enter pipapo_avx2
4. fpu busy, fallback to generic non-avx version
5. fallback reuses scratch map and index, which are in use
by the preempted process
Handle this same way as generic version by first disabling
softinterrupts while the scratchmap is in use.
Fixes: f0b3d33806 ("netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version")
Cc: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Two fixes about building perf and other tools:
* Fix breakage in tracing tools due to pkg-config for libtrace{event,fs}
* Fix build of perf when libunwind is used
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.11-2024-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Two fixes for building perf and other tools:
- Fix breakage in tracing tools due to pkg-config for
libtrace{event,fs}
- Fix build of perf when libunwind is used"
* tag 'perf-tools-fixes-for-v6.11-2024-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf dso: Fix build when libunwind is enabled
tools/latency: Use pkg-config in lib_setup of Makefile.config
tools/rtla: Use pkg-config in lib_setup of Makefile.config
tools/verification: Use pkg-config in lib_setup of Makefile.config
tools: Make pkg-config dependency checks usable by other tools
perf build: Warn if libtracefs is not found
- Move KUnit tests to tests/ subdirectory
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Merge tag 'execve-v6.11-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve fix from Kees Cook:
"This moves the exec and binfmt_elf tests out of your way and into the
tests/ subdirectory, following the newly ratified KUnit naming
conventions. :)"
* tag 'execve-v6.11-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
execve: Move KUnit tests to tests/ subdirectory
Allow users to disable kernel warnings for unaligned memory
accesses from kernel via the /proc/sys/kernel/ignore-unaligned-usertrap
procfs entry.
That way users can disable those warnings in case they happen too
often.
Signed-off-by: Helge Deller <deller@gmx.de>
When ice driver reads recipes from firmware information about
need_pass_l2 and allow_pass_l2 flags is not stored correctly.
Those flags are stored as one bit each in ice_sw_recipe structure.
Because of that, the result of checking a flag has to be casted to bool.
Note that the need_pass_l2 flag currently works correctly, because
it's stored in the first bit.
Fixes: bccd9bce29 ("ice: Add guard rule when creating FDB in switchdev")
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
While the iavf driver adds a s/w limit (128) on the number of FDIR
filters that the VF can request, a malicious VF driver can request more
than that and exhaust the resources for other VFs.
Add a similar limit in ice.
CC: stable@vger.kernel.org
Fixes: 1f7ea1cd6a ("ice: Enable FDIR Configure for AVF")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Suggested-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
It's a pretty small update including mostly minor bug fixes in zoned storage
along with the large section support.
Enhancement:
- add support for FS_IOC_GETFSSYSFSPATH
- enable atgc dynamically if conditions are met
- use new ioprio Macro to get ckpt thread ioprio level
- remove unreachable lazytime mount option parsing
Bug fix:
- fix null reference error when checking end of zone
- fix start segno of large section
- fix to cover read extent cache access with lock
- don't dirty inode for readonly filesystem
- allocate a new section if curseg is not the first seg in its zone
- only fragment segment in the same section
- truncate preallocated blocks in f2fs_file_open()
- fix to avoid use SSR allocate when do defragment
- fix to force buffered IO on inline_data inode
And, it includes some minor code clean-ups, and sanity checks.
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Merge tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"A pretty small update including mostly minor bug fixes in zoned
storage along with the large section support.
Enhancements:
- add support for FS_IOC_GETFSSYSFSPATH
- enable atgc dynamically if conditions are met
- use new ioprio Macro to get ckpt thread ioprio level
- remove unreachable lazytime mount option parsing
Bug fixes:
- fix null reference error when checking end of zone
- fix start segno of large section
- fix to cover read extent cache access with lock
- don't dirty inode for readonly filesystem
- allocate a new section if curseg is not the first seg in its zone
- only fragment segment in the same section
- truncate preallocated blocks in f2fs_file_open()
- fix to avoid use SSR allocate when do defragment
- fix to force buffered IO on inline_data inode
And some minor code clean-ups and sanity checks"
* tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (26 commits)
f2fs: clean up addrs_per_{inode,block}()
f2fs: clean up F2FS_I()
f2fs: use meta inode for GC of COW file
f2fs: use meta inode for GC of atomic file
f2fs: only fragment segment in the same section
f2fs: fix to update user block counts in block_operations()
f2fs: remove unreachable lazytime mount option parsing
f2fs: fix null reference error when checking end of zone
f2fs: fix start segno of large section
f2fs: remove redundant sanity check in sanity_check_inode()
f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid
f2fs: fix to use mnt_{want,drop}_write_file replace file_{start,end}_wrtie
f2fs: clean up set REQ_RAHEAD given rac
f2fs: enable atgc dynamically if conditions are met
f2fs: fix to truncate preallocated blocks in f2fs_file_open()
f2fs: fix to cover read extent cache access with lock
f2fs: fix return value of f2fs_convert_inline_inode()
f2fs: use new ioprio Macro to get ckpt thread ioprio level
f2fs: fix to don't dirty inode for readonly filesystem
f2fs: fix to avoid use SSR allocate when do defragment
...
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Merge tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy
Pull jfs updates from David Kleikamp:
"Folio conversion from Matthew Wilcox and a few various fixes"
* tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy:
jfs: don't walk off the end of ealist
jfs: Fix shift-out-of-bounds in dbDiscardAG
jfs: Fix array-index-out-of-bounds in diFree
jfs: fix null ptr deref in dtInsertEntry
jfs: Remove use of folio error flag
fs: Remove i_blocks_per_page
jfs: Change metapage->page to metapage->folio
jfs: Convert force_metapage to use a folio
jfs: Convert inc_io to take a folio
jfs: Convert page_to_mp to folio_to_mp
jfs; Convert __invalidate_metapages to use a folio
jfs: Convert dec_io to take a folio
jfs: Convert drop_metapage and remove_metapage to take a folio
jfs; Convert release_metapage to use a folio
jfs: Convert insert_metapage() to take a folio
jfs: Convert __get_metapage to use a folio
jfs: Convert metapage_writepage to metapage_write_folio
jfs: Convert metapage_read_folio to use folio APIs
- Remove tristate choice support from Kconfig
- Stop using the PROVIDE() directive in the linker script
- Reduce the number of links for the combination of CONFIG_DEBUG_INFO_BTF
and CONFIG_KALLSYMS
- Enable the warning for symbol reference to .exit.* sections by default
- Fix warnings in RPM package builds
- Improve scripts/make_fit.py to generate a FIT image with separate base
DTB and overlays
- Improve choice value calculation in Kconfig
- Fix conditional prompt behavior in choice in Kconfig
- Remove support for the uncommon EMAIL environment variable in Debian
package builds
- Remove support for the uncommon "name <email>" form for the DEBEMAIL
environment variable
- Raise the minimum supported GNU Make version to 4.0
- Remove stale code for the absolute kallsyms
- Move header files commonly used for host programs to scripts/include/
- Introduce the pacman-pkg target to generate a pacman package used in
Arch Linux
- Clean up Kconfig
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Merge tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Remove tristate choice support from Kconfig
- Stop using the PROVIDE() directive in the linker script
- Reduce the number of links for the combination of CONFIG_KALLSYMS and
CONFIG_DEBUG_INFO_BTF
- Enable the warning for symbol reference to .exit.* sections by
default
- Fix warnings in RPM package builds
- Improve scripts/make_fit.py to generate a FIT image with separate
base DTB and overlays
- Improve choice value calculation in Kconfig
- Fix conditional prompt behavior in choice in Kconfig
- Remove support for the uncommon EMAIL environment variable in Debian
package builds
- Remove support for the uncommon "name <email>" form for the DEBEMAIL
environment variable
- Raise the minimum supported GNU Make version to 4.0
- Remove stale code for the absolute kallsyms
- Move header files commonly used for host programs to scripts/include/
- Introduce the pacman-pkg target to generate a pacman package used in
Arch Linux
- Clean up Kconfig
* tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (65 commits)
kbuild: doc: gcc to CC change
kallsyms: change sym_entry::percpu_absolute to bool type
kallsyms: unify seq and start_pos fields of struct sym_entry
kallsyms: add more original symbol type/name in comment lines
kallsyms: use \t instead of a tab in printf()
kallsyms: avoid repeated calculation of array size for markers
kbuild: add script and target to generate pacman package
modpost: use generic macros for hash table implementation
kbuild: move some helper headers from scripts/kconfig/ to scripts/include/
Makefile: add comment to discourage tools/* addition for kernel builds
kbuild: clean up scripts/remove-stale-files
kconfig: recursive checks drop file/lineno
kbuild: rpm-pkg: introduce a simple changelog section for kernel.spec
kallsyms: get rid of code for absolute kallsyms
kbuild: Create INSTALL_PATH directory if it does not exist
kbuild: Abort make on install failures
kconfig: remove 'e1' and 'e2' macros from expression deduplication
kconfig: remove SYMBOL_CHOICEVAL flag
kconfig: add const qualifiers to several function arguments
kconfig: call expr_eliminate_yn() at least once in expr_eliminate_dups()
...
This corrects interrupt handling in the stm32 remoteproc driver when
being attached to an already running remote processor.
It fixes invalid kernel-doc and adds missing MODULE_DESCRIPTION() in the
rpmsg char driver.
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Merge tag 'rpmsg-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
- fix interrupt handling in the stm32 remoteproc driver when being
attached to an already running remote processor
- fix invalid kernel-doc and add missing MODULE_DESCRIPTION() in the
rpmsg char driver
* tag 'rpmsg-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: char: add missing MODULE_DESCRIPTION() macro
remoteproc: stm32_rproc: Fix mailbox interrupts queuing
rpmsg: char: Fix rpmsg_eptdev structure documentation
The maximum amount of DDR memory used by the Mediatek MT8188/MT8195 SCP
is increased, to handle new use cases. Handling of optional L1TCM memory
is made actually optional.
An optimization is introduced to only clear the unused portion of IPI
shared buffers, rather than the entire buffer before writing the
message.
Detection for IPC-only mode in the TI K3 DSP remoteproc driver is
corrected. The loglevel of a debug print in the same is lowered from
error.
Support for attaching to an running remote processor is added to the
Xilinx R5F.
An in-kernel implementation of the Qualcomm "protected domain mapper"
(aka service registry) service is introduced, to remove the dependency
on a userspace implementation to detect when the battery monitor and USB
Type-C port manager becomes available. This is then integrated with the
Qualcomm remoteproc driver.
The Qualcomm PAS remoteproc driver gains support for attempting to bust
hwspinlocks held by the remote processor when it crashed/stopped.
The TI OMAP remoteproc driver is transitioned to use devres helpers for
various forms of allocations.
Parsing of memory-regions in the i.MX remoteproc driver is improved to
avoid a NULL pointer dereference if the phandle reference is empty.
of_node reference counting is corrected in the same.
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Merge tag 'rproc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
- The maximum amount of DDR memory used by the Mediatek MT8188/MT8195
SCP is increased to handle new use cases. Handling of optional L1TCM
memory is made actually optional.
- An optimization is introduced to only clear the unused portion of IPI
shared buffers, rather than the entire buffer before writing the
message.
- Detection for IPC-only mode in the TI K3 DSP remoteproc driver is
corrected. The loglevel of a debug print in the same is lowered from
error.
- Support for attaching to an running remote processor is added to the
Xilinx R5F.
- An in-kernel implementation of the Qualcomm "protected domain mapper"
(aka service registry) service is introduced, to remove the
dependency on a userspace implementation to detect when the battery
monitor and USB Type-C port manager becomes available. This is then
integrated with the Qualcomm remoteproc driver.
- The Qualcomm PAS remoteproc driver gains support for attempting to
bust hwspinlocks held by the remote processor when it
crashed/stopped.
- The TI OMAP remoteproc driver is transitioned to use devres helpers
for various forms of allocations.
- Parsing of memory-regions in the i.MX remoteproc driver is improved
to avoid a NULL pointer dereference if the phandle reference is
empty. of_node reference counting is corrected in the same.
* tag 'rproc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
remoteproc: mediatek: Increase MT8188/MT8195 SCP core0 DRAM size
remoteproc: k3-dsp: Fix log levels where appropriate
remoteproc: xlnx: Add attach detach support
remoteproc: qcom: select AUXILIARY_BUS
remoteproc: k3-r5: Fix IPC-only mode detection
remoteproc: mediatek: Don't attempt to remap l1tcm memory if missing
remoteproc: qcom: enable in-kernel PD mapper
dt-bindings: remoteproc: imx_rproc: Add minItems for power-domain
remoteproc: imx_rproc: Fix refcount mistake in imx_rproc_addr_init
remoteproc: omap: Use devm_rproc_add() helper
remoteproc: omap: Use devm action to release reserved memory
remoteproc: omap: Use devm_rproc_alloc() helper
remoteproc: imx_rproc: Skip over memory region when node value is NULL
dt-bindings: remoteproc: k3-dsp: Correct optional sram properties for AM62A SoCs
remoteproc: qcom_q6v5_pas: Add hwspinlock bust on stop
soc: qcom: smem: Add qcom_smem_bust_hwspin_lock_by_host()
remoteproc: mediatek: Zero out only remaining bytes of IPI buffer
This introduces a mechanism in the hardware spinlock framework, and the
Qualcomm TCSR mutex driver, for allowing clients to bust locks held by a
remote processor in the event that this enters a faulty state while
holding the shared lock.
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Merge tag 'hwlock-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull hwspinlock updates from Bjorn Andersson:
"This introduces a mechanism in the hardware spinlock framework, and
the Qualcomm TCSR mutex driver, for allowing clients to bust locks
held by a remote processor in the event that this enters a faulty
state while holding the shared lock"
* tag 'hwlock-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: qcom: implement bust operation
hwspinlock: Introduce hwspin_lock_bust()
- sh: push-switch: Add missing MODULE_DESCRIPTION() macro
- sh: config: Drop CONFIG_MEMORY_{HOTPLUG,HOTREMOVE}
- sh: Drop support for memory hotplug and memory hotremove
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Merge tag 'sh-for-v6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz:
"This is rather small this time and contains just three changes.
The first change by Oscar Salvador drops support for memory hotplug
and hotremove for sh as the kernel stopped supporting it on 32-bit
platforms since 7ec58a2b94 ("mm/memory_hotplug: restrict
CONFIG_MEMORY_HOTPLUG to 64 bit").
That then results in a follow-up change to update all affected board
config files.
The third change comes from Jeff Johnson which adds the missing
MODULE_DESCRIPTION() macro to the push-switch driver"
* tag 'sh-for-v6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: push-switch: Add missing MODULE_DESCRIPTION() macro
sh: config: Drop CONFIG_MEMORY_{HOTPLUG,HOTREMOVE}
sh: Drop support for memory hotplug and memory hotremove
This is a super boring development cycle this time around for modules,
there is only one patch in this pull request. The patch deals with a
corner case set of dependencies which is not resolved today to ensure
users get the modules they need on initramfs. Currently only one modules
is known to exist which needs this, however this can grow to capture
other corner cases likely escaped and not reported before. The kernel
change is just a section update, the real work is done and merged
already on upstream kmod.
This has been on linux-next for 3 weeks now.
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Merge tag 'modules-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull module update from Luis Chamberlain:
"This is a super boring development cycle this time around for modules,
there is only one patch in this pull request.
The patch deals with a corner case set of dependencies which is not
resolved today to ensure users get the module they need on initramfs.
Currently only one module is known to exist which needs this, however
this can grow to capture other corner cases likely escaped and not
reported before. The kernel change is just a section update, the real
work is done and merged already on upstream kmod.
This has been on linux-next for 3 weeks now"
* tag 'modules-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
module: create weak dependecies
Commit 0dc83ad8bf ("clk: samsung: Don't register clkdev lookup for the
fixed rate clocks") claimed registering clkdev lookup is not necessary
anymore, but that was not entirely true: Exynos4210/4212/4412 clock code
still relied on it to get the clock rate of xxti or xusbxti external
clocks.
Drop that requirement by accessing already registered clk_hw when
looking up the xxti/xusbxti rate.
Reported-by: Artur Weber <aweber.kernel@gmail.com>
Closes: https://lore.kernel.org/all/6227c1fb-d769-462a-b79b-abcc15d3db8e@gmail.com/
Fixes: 0dc83ad8bf ("clk: samsung: Don't register clkdev lookup for the fixed rate clocks")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240722063309.60054-1-krzysztof.kozlowski@linaro.org
Tested-by: Artur Weber <aweber.kernel@gmail.com> # Exynos4212
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Merge tag 'livepatching-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching update from Petr Mladek:
- show patch->replace flag in sysfs
- add or improve few selftests
* tag 'livepatching-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
livepatch: Replace snprintf() with sysfs_emit()
selftests/livepatch: Add selftests for "replace" sysfs attribute
livepatch: Add "replace" sysfs attribute
selftests: livepatch: Test atomic replace against multiple modules
selftests/livepatch: define max test-syscall processes
The I2C core has two header documentation updates to be applied as the
dependecies are in now.
The I2C host drivers add some patches which nearly fell through the
cracks, namely:
Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
Camera Control Interface (CCI).
Added support for the "settle-time-us" property, which allows the
gpio-mux device to switch from one bus to another with a configurable
delay. The time can be set in the DTS. The latest change also includes
file sorting.
Fixed slot numbering in the SMBus framework to prevent failures
when more than 8 slots are occupied. It now enforces a a maximum
of 8 slots to be used. This ensures that the Intel PIIX4 device
can register the SPDs correctly without failure, even if other
slots are populated but not used.
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Merge tag 'i2c-for-6.11-rc1-second-batch' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"The I2C core has two header documentation updates as the dependecies
are in now.
The I2C host drivers add some patches which nearly fell through the
cracks:
- Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
Camera Control Interface (CCI).
- Added support for the "settle-time-us" property, which allows the
gpio-mux device to switch from one bus to another with a
configurable delay. The time can be set in the DTS. The latest
change also includes file sorting.
- Fixed slot numbering in the SMBus framework to prevent failures
when more than 8 slots are occupied. It now enforces a a maximum of
8 slots to be used. This ensures that the Intel PIIX4 device can
register the SPDs correctly without failure, even if other slots
are populated but not used"
* tag 'i2c-for-6.11-rc1-second-batch' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: header: improve kdoc for i2c_algorithm
i2c: header: remove unneeded stuff regarding i2c_algorithm
i2c: piix4: Register SPDs
i2c: smbus: remove i801 assumptions from SPD probing
i2c: mux: gpio: Add support for the 'settle-time-us' property
i2c: mux: gpio: Re-order #include to match alphabetic order
dt-bindings: i2c: mux-gpio: Add 'settle-time-us' property
dt-bindings: i2c: qcom-cci: Document sm8650 compatible
dt-bindings: i2c: qcom-cci: Document sm8550 compatible
A number of tiny cleanups of the PCMCIA subsystem by Jeff Johnson,
Jules Irenge, and Krzysztof Kozlowski.
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Merge tag 'pcmcia-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux
Pull PCMCIA updates from Dominik Brodowski:
"A number of tiny cleanups of the PCMCIA subsystem by Jeff Johnson,
Jules Irenge, and Krzysztof Kozlowski"
* tag 'pcmcia-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
pcmcia: add missing MODULE_DESCRIPTION() macros
pcmcia: Use resource_size function on resource object
pcmcia: bcm63xx: drop driver owner assignment
* power-supply core
- new charging_orange_full_green RGB LED trigger
- simplify and cleanup power-supply LED trigger code
- expose power information via hwmon compatibility layer
* new hardware support
- enable battery support for Qualcomm Snapdragon X Elite
- new battery driver for Maxim MAX17201/MAX17205
- new battery driver for Lenovo Yoga C630 laptop (custom EC)
* cleanup 'struct i2c_device_id' initializations
* misc. small battery driver cleanups and fixes
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Merge tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- new charging_orange_full_green RGB LED trigger
- simplify and cleanup power-supply LED trigger code
- expose power information via hwmon compatibility layer
New hardware support:
- enable battery support for Qualcomm Snapdragon X Elite
- new battery driver for Maxim MAX17201/MAX17205
- new battery driver for Lenovo Yoga C630 laptop (custom EC)
Cleanups:
- cleanup 'struct i2c_device_id' initializations
- misc small battery driver cleanups and fixes"
* tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: sysfs: use power_supply_property_is_writeable()
power: supply: qcom_battmgr: Enable battery support on x1e80100
power: supply: add support for MAX1720x standalone fuel gauge
dt-bindings: power: supply: add support for MAX17201/MAX17205 fuel gauge
power: reset: piix4: add missing MODULE_DESCRIPTION() macro
power: supply: samsung-sdi-battery: Constify struct power_supply_maintenance_charge_table
power: supply: samsung-sdi-battery: Constify struct power_supply_vbat_ri_table
power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver
power: supply: ingenic: Fix some error handling paths in ingenic_battery_get_property()
power: supply: ab8500: Clean some error messages
power: supply: ab8500: Use iio_read_channel_processed_scale()
power: supply: ab8500: Fix error handling when calling iio_read_channel_processed()
power: supply: hwmon: Add support for power sensors
power: supply: ab8500: remove unused struct 'inst_curr_result_list'
power: supply: bd99954: remove unused struct 'battery_data'
power: supply: leds: Add activate() callback to triggers
power: supply: leds: Share trig pointer for online and charging_full
power: supply: leds: Add power_supply_[un]register_led_trigger()
power: supply: Drop explicit initialization of struct i2c_device_id::driver_data to 0
In this part of the documentation, $(CC) is meant, but gcc is written.
Signed-off-by: Ivan Davydov <davydoff33@yandex.ru>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Replace a comma between expression statements by a semicolon.
Fixes: c9b258c6be ("iommu/amd: Prepare for generic IO page table framework")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20240716072545.968690-1-nichen@iscas.ac.cn
Signed-off-by: Will Deacon <will@kernel.org>
In sprd_iommu_cleanup() before calling function sprd_iommu_hw_en()
dom->sdev is equal to NULL, which leads to null dereference.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 9afea57384 ("iommu/sprd: Release dma buffer to avoid memory leak")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Chunyan Zhang <zhang.lyra@gmail.com>
Link: https://lore.kernel.org/r/20240716125522.3690358-1-artem.chernyshev@red-soft.ru
Signed-off-by: Will Deacon <will@kernel.org>
Currently, sysreg has value as 0b0010 for the presence of GICv4.1 in
ID_PFR1_EL1 and ID_AA64PFR0_EL1, instead of 0b0011 as per ARM ARM.
Hence, correct them to reflect ARM ARM.
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240718215532.616447-1-rananta@google.com
Signed-off-by: Will Deacon <will@kernel.org>
glibc added support for .gnu.hash in 2006 and .hash has been obsoleted
for more than one decade in many Linux distributions. Using
--hash-style=sysv might imply unaddressed issues and confuse readers.
Just drop the option and rely on the linker default, which is likely
"both", or "gnu" when the distribution really wants to eliminate sysv
hash overhead.
Similar to commit 6b7e26547f ("x86/vdso: Emit a GNU hash").
Signed-off-by: Fangrui Song <maskray@google.com>
Link: https://lore.kernel.org/r/20240718173423.1574395-1-maskray@google.com
Signed-off-by: Will Deacon <will@kernel.org>
The string passed to ksft_test_result_skip is missing the `type_name`
Signed-off-by: Remington Brasga <rbrasga@uci.edu>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20240712231730.2794-1-rbrasga@uci.edu
Signed-off-by: Will Deacon <will@kernel.org>
Since the commit 819e50e25d ("arm64: Add ftrace support"),
HAVE_FUNCTION_GRAPH_TRACER has always been enabled. Although a subsequent
commit 3646970322 ("arm64: ftrace: Enable HAVE_FUNCTION_GRAPH_RETVAL")
redundantly added check on HAVE_FUNCTION_GRAPH_TRACER, while enabling the
config HAVE_FUNCTION_GRAPH_RETVAL. Let's just drop this redundant check.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20240716050915.2657694-1-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Removing the CONFIG_PROTECTED_VIRTUALIZATION_GUEST ifdefs and config
option as well as CONFIG_KVM ifdefs in uv files.
Having this configurable has been more of a pain than a help.
It's time to remove the ifdefs and the config option.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Now that everything has been converted, add the option
'relocate_lowcore' to enable relocating the lowcore.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in store_status()
and __do_machine_kdump().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in system_call().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in ret_from_fork().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in __switch_to().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in restart_int_handler().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in mcck_int_handler().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in the ext/io interrupt
handlers.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in pgm_check_handler().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to CHECK_VMAP_STACK and CHECK_STACK. No
functional change, because %r0 is passed to the macro.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to SIEEXIT. No functional change, because
%r0 is passed to the macro.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In preparation of having lowcore at different address than zero,
add the base register to MBEAR. No functional change, because
%r0 is passed to the macro.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
