IF YOU WOULD LIKE TO GET AN ACCOUNT, please write an
email to Administrator. User accounts are meant only to access repo
and report issues and/or generate pull requests.
This is a purpose-specific Git hosting for
BaseALT
projects. Thank you for your understanding!
Только зарегистрированные пользователи имеют доступ к сервису!
Для получения аккаунта, обратитесь к администратору.
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cxl_cxims_data.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: linux-cxl@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20230922175319.work.096-kees@kernel.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The cxl_test unit test environment models a CXL topology for
sysfs/user-ABI regression testing. It uses interface mocking via the
"--wrap=" linker option to redirect cxl_core routines that parse
hardware registers with versions that just publish objects, like
devm_cxl_enumerate_decoders().
Starting with:
Commit 19ab69a60e ("cxl/port: Store the port's Component Register mappings in struct cxl_port")
...port register enumeration is moved into devm_cxl_add_port(). This
conflicts with the "cxl_test avoids emulating registers stance" so
either the port code needs to be refactored (too violent), or modified
so that register enumeration is skipped on "fake" cxl_test ports
(annoying, but straightforward).
This conflict has happened previously and the "check for platform
device" workaround to avoid instrusive refactoring was deployed in those
scenarios. In general, refactoring should only benefit production code,
test code needs to remain minimally instrusive to the greatest extent
possible.
This was missed previously because it may sometimes just cause warning
messages to be emitted, but it can also cause test failures. The
backport to -stable is only nice to have for clean cxl_test runs.
Fixes: 19ab69a60e ("cxl/port: Store the port's Component Register mappings in struct cxl_port")
Cc: stable@vger.kernel.org
Reported-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/169476525052.1013896.6235102957693675187.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Using the following code with libtracefs:
int dfd;
// create the directory events/kprobes/kp1
tracefs_kprobe_raw(NULL, "kp1", "schedule_timeout", "time=$arg1");
// Open the kprobes directory
dfd = tracefs_instance_file_open(NULL, "events/kprobes", O_RDONLY);
// Do a lookup of the kprobes/kp1 directory (by looking at enable)
tracefs_file_exists(NULL, "events/kprobes/kp1/enable");
// Now create a new entry in the kprobes directory
tracefs_kprobe_raw(NULL, "kp2", "schedule_hrtimeout", "expires=$arg1");
// Do another lookup to create the dentries
tracefs_file_exists(NULL, "events/kprobes/kp2/enable"))
// Close the directory
close(dfd);
What happened above, the first open (dfd) will call
dcache_dir_open_wrapper() that will create the dentries and up their ref
counts.
Now the creation of "kp2" will add another dentry within the kprobes
directory.
Upon the close of dfd, eventfs_release() will now do a dput for all the
entries in kprobes. But this is where the problem lies. The open only
upped the dentry of kp1 and not kp2. Now the close is decrementing both
kp1 and kp2, which causes kp2 to get a negative count.
Doing a "trace-cmd reset" which deletes all the kprobes cause the kernel
to crash! (due to the messed up accounting of the ref counts).
To solve this, save all the dentries that are opened in the
dcache_dir_open_wrapper() into an array, and use this array to know what
dentries to do a dput on in eventfs_release().
Since the dcache_dir_open_wrapper() calls dcache_dir_open() which uses the
file->private_data, we need to also add a wrapper around dcache_readdir()
that uses the cursor assigned to the file->private_data. This is because
the dentries need to also be saved in the file->private_data. To do this
create the structure:
struct dentry_list {
void *cursor;
struct dentry **dentries;
};
Which will hold both the cursor and the dentries. Some shuffling around is
needed to make sure that dcache_dir_open() and dcache_readdir() only see
the cursor.
Link: https://lore.kernel.org/linux-trace-kernel/20230919211804.230edf1e@gandalf.local.home/
Link: https://lore.kernel.org/linux-trace-kernel/20230922163446.1431d4fa@gandalf.local.home
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ajay Kaher <akaher@vmware.com>
Fixes: 6394044955 ("eventfs: Implement eventfs lookup, read, open functions")
Reported-by: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The 'bytes' info in file 'per_cpu/cpu<X>/stats' means the number of
bytes in cpu buffer that have not been consumed. However, currently
after consuming data by reading file 'trace_pipe', the 'bytes' info
was not changed as expected.
# cat per_cpu/cpu0/stats
entries: 0
overrun: 0
commit overrun: 0
bytes: 568 <--- 'bytes' is problematical !!!
oldest event ts: 8651.371479
now ts: 8653.912224
dropped events: 0
read events: 8
The root cause is incorrect stat on cpu_buffer->read_bytes. To fix it:
1. When stat 'read_bytes', account consumed event in rb_advance_reader();
2. When stat 'entries_bytes', exclude the discarded padding event which
is smaller than minimum size because it is invisible to reader. Then
use rb_page_commit() instead of BUF_PAGE_SIZE at where accounting for
page-based read/remove/overrun.
Also correct the comments of ring_buffer_bytes_cpu() in this patch.
Link: https://lore.kernel.org/linux-trace-kernel/20230921125425.1708423-1-zhengyejian1@huawei.com
Cc: stable@vger.kernel.org
Fixes: c64e148a3b ("trace: Add ring buffer stats to measure rate of events")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Unbreak the trip point update sysfs interface that has been
broken since the 6.3 cycle (Rafael Wysocki).
-----BEGIN PGP SIGNATURE-----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=3GnK
-----END PGP SIGNATURE-----
Merge tag 'thermal-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"Unbreak the trip point update sysfs interface that has been broken
since the 6.3 cycle (Rafael Wysocki)"
* tag 'thermal-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: sysfs: Fix trip_point_hyst_store()
- Fix recently introduced uninitialized memory access issue in the ACPI
processor driver (Michal Wilczynski).
- Fix ia64 build inadvertently broken by recent ACPI processor driver
changes, which is prudent to do for 6.6 even though ia64 support is
slated for removal in 6.7 (Ard Biesheuvel).
-----BEGIN PGP SIGNATURE-----
iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmUN2VASHHJqd0Byand5
c29ja2kubmV0AAoJEILEb/54YlRxgZ0P/3zTm2CQYaaNdVWuYR3mjFvRT8mD3bqt
QkOPgHHAk2wMQ6Y7ECE0OdMP4uXQCfwbfawA/YPFacfn8TEvTo8UijmMGWVg6tzF
tEdzzUSUOwTMeAChnBypGmp2CyOmp/ksadbzGQKh3+xlss2zZNDlqcVi900r+VP6
NTV8KzQmWyssLswrqle9hJne+MWBOik6Kq58gV4q3NLtlYinTbpyf4sVcwnQXQ7L
ZxX2p2gGs2aubWTNcOrIrkByoB5LRltSnFEt1mnVFtJ/x22H0hCsl6lCDoWPA5YA
dGPnfNwEnCpvB16oeK/5vjJ4KGVCngq+JyvaQLowtQL5kyqJzBLcWxWyutxFlPuE
2DSN72FOfYgER8WUqDUeb3ltyD71clI7Pu2FhgtcoQTDNbuZmLAS5/lLSZy+NaWr
zFU8iIqKXEtUvgxVKqzBpScdmHaCN/Yg3+sxF56sDRsWCGhNkGQoYF0Ahmi/+YAb
WH73mwKIAmGYxwMrNc9BtQshA1LW8Jy0bs3OwGU8MO7UabUhOVIIvPSVps46tb4e
xCfSX8ZaZN3YSuULFch2iFXAcQXxkc3ZnACBZMaZB5ZB9tgJIXRsHJVL1B23sTXR
phxrZOo/2np56lbyEx3aEg9vMith72EFNzZiLMhoMPm2TTrtf3YondphPAgGiptD
q8c5r5meY0fp
=e2Rb
-----END PGP SIGNATURE-----
Merge tag 'acpi-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix a general ACPI processor driver regression and an ia64 build
issue, both introduced recently.
Specifics:
- Fix recently introduced uninitialized memory access issue in the
ACPI processor driver (Michal Wilczynski)
- Fix ia64 build inadvertently broken by recent ACPI processor driver
changes, which is prudent to do for 6.6 even though ia64 support is
slated for removal in 6.7 (Ard Biesheuvel)"
* tag 'acpi-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor: Fix uninitialized access of buf in acpi_set_pdc_bits()
acpi: Provide ia64 dummy implementation of acpi_proc_quirk_mwait_check()
- Fix detection of "ClearBHB" and "Hinted Conditional Branch" features
- Fix broken wildcarding for Arm PMU MAINTAINERS entry
- Add missing documentation for userspace-visible ID register fields
-----BEGIN PGP SIGNATURE-----
iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmUNbRAQHHdpbGxAa2Vy
bmVsLm9yZwAKCRC3rHDchMFjNHGOB/9Tqq9d4PGxqSrexL71n+M6H17TNPOEGVgP
VDclez3nTfCj0+XMnJmgabTADyuOjeHMCUPYR9uvlKMHvaSIaljbbbAr5QfLApXX
40a/KujV20WEaAl47dTWN5QR7d8zMpuiHzq0jDWsqvm/pNgvmSzxh3sMPKlWWBGW
4jmUqaYSwyC3HAL2ErfTckOj+gQTvYotFbJ8N0YCleTBPRQfRVMCpkzV1wCaaJ5/
wo9WFghiv1Bf6WKyX2mG246xugtLUaVQXeRDLfxyHmGdeuwcolltc2MaT7GjOLrw
273MgipmgvUMC8UNDQdh26ha4cRnNE2VIODdU0wQ99pT/pmwkcWF
=aXwm
-----END PGP SIGNATURE-----
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Small crop of relatively boring arm64 fixes for -rc3.
That's not to say we don't have any juicy bugs, however, it's just
that fixes for those are likely to come via -mm and -tip for a hugetlb
and an atomics issue respectively. I get left with the
documentation...
- Fix detection of "ClearBHB" and "Hinted Conditional Branch" features
- Fix broken wildcarding for Arm PMU MAINTAINERS entry
- Add missing documentation for userspace-visible ID register fields"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Document missing userspace visible fields in ID_AA64ISAR2_EL1
arm64/hbc: Document HWCAP2_HBC
arm64/sme: Include ID_AA64PFR1_EL1.SME in cpu-feature-registers.rst
arm64: cpufeature: Fix CLRBHB and BC detection
MAINTAINERS: Use wildcard pattern for ARM PMU headers
- Fix a kexec bug,
- Fix an UML build bug,
- Fix a handful of SRSO related bugs,
- Fix a shadow stacks handling bug & robustify related code.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----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=58St
-----END PGP SIGNATURE-----
Merge tag 'x86-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix a kexec bug
- Fix an UML build bug
- Fix a handful of SRSO related bugs
- Fix a shadow stacks handling bug & robustify related code
* tag 'x86-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/shstk: Add warning for shadow stack double unmap
x86/shstk: Remove useless clone error handling
x86/shstk: Handle vfork clone failure correctly
x86/srso: Fix SBPB enablement for spec_rstack_overflow=off
x86/srso: Don't probe microcode in a guest
x86/srso: Set CPUID feature bits independently of bug or mitigation status
x86/srso: Fix srso_show_state() side effect
x86/asm: Fix build of UML with KASAN
x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
incorrect code, and fix a lockdep reporting race that may result in lockups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----
iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmUNZ+wRHG1pbmdvQGtl
cm5lbC5vcmcACgkQEnMQ0APhK1iK+Q//XxvpwiSPOC6NI53bTmFtvbJCkGJr5taK
a1C+4xql1/E8pc/ZQBYMziK824s03ybs1edktC21B5pRpjJZ7h2tPOyxmw8/FLP/
Qq1GouuneVq9GBcqG+ctjY6hnAt8rScGAPNHReyP6VzGD6/j1zvBI78MfNcfJzLV
GEy8z+PsqJdyTfZ/eVf2eKLQMsH3zvRbWYOqk7uA//ld+hof8ZelxDLH7NeH5ZcU
NrG/nP5qRToJFYddK548kmwsPsg9qPxd5Ke4S5t4+nGpBpVXerMN66Bopnn79dSa
YP9wzPzimJHZEatJg//VmTMAsz4/OHhJC8LSN++QIFx/HXG8+QwjhwNkIYy8deGS
hrC72LvxwTqRto3QWQ+Y/3MDKYDIRX8IKYSFGKqwLkvNmQ5mVcvLod3cCMinTlgg
GDYEMStR4QoreeGiVZzqus+9QnZehwNYxrfd6KqRpGgqPjJbY6lK7KFzFLY4R5bg
feYCdWYlQrb+pIxYZqjf7A4Xj7GeYrv99ggmvwRvL7RiWrDiUHjmnXyEgr9WaKSb
NgfD4nnWQ2DSdPk+jL/TM9hRMI1vy8cGGoevsmFbJOuj2aQbStyGRp6GSMYU1UVP
FkTurL7hPUanmqc1s+p5Rz1xYdoe/AfEOK53a0NljvaR+q5K6to4QyIL3el7xeMj
1jPiKV2CRJo=
=hkE1
-----END PGP SIGNATURE-----
Merge tag 'locking-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
"Fix a include/linux/atomic/atomic-arch-fallback.h breakage that
generated incorrect code, and fix a lockdep reporting race that may
result in lockups"
* tag 'locking-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/seqlock: Do the lockdep annotation before locking in do_write_seqcount_begin_nested()
locking/atomic: scripts: fix fallback ifdeffery
Commit
7825451fa4 ("static_call: Add call depth tracking support")
failed to realize the problem fixed there is not specific to call depth
tracking but applies to all return-thunk uses.
Move the fix to the appropriate place and condition.
Fixes: ee88d363d1 ("x86,static_call: Use alternative RET encoding")
Reported-by: David Kaplan <David.Kaplan@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
The following commit
095b8303f3 ("x86/alternative: Make custom return thunk unconditional")
made '__x86_return_thunk' a placeholder value. All code setting
X86_FEATURE_RETHUNK also changes the value of 'x86_return_thunk'. So
the optimization at the beginning of apply_returns() is dead code.
Also, before the above-mentioned commit, the optimization actually had a
bug It bypassed __static_call_fixup(), causing some raw returns to
remain unpatched in static call trampolines. Thus the 'Fixes' tag.
Fixes: d2408e043e ("x86/alternative: Optimize returns patching")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/16d19d2249d4485d8380fb215ffaae81e6b8119e.1693889988.git.jpoimboe@kernel.org
Merge a fix for recently introduced uninitialized memory access in the
ACPI processor driver from Michal Wilczynski.
* acpi-processor:
ACPI: processor: Fix uninitialized access of buf in acpi_set_pdc_bits()
- fix boot regression on SEV-SNP (and TDX) caused by a fix in the
preceding batch
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZQ1ddAAKCRAwbglWLn0t
XOIQAP4nS3RWd2On40iOMpyfmKo8BmuM1smJC5r6xQTc55eORwEA3ezhbKZruxMp
bU2qR0yH/aGEtyOX0lDN0NIntplQdgI=
=ldKV
-----END PGP SIGNATURE-----
Merge tag 'efi-fixes-for-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"Follow-up fix for the unaccepted memory fix merged last week as part
of the first EFI fixes batch.
The unaccepted memory table needs to be accessible very early, even in
cases (such as crashkernels) where the direct map does not cover all
of DRAM, and so it is added to memblock explicitly, and subsequently
memblock_reserve()'d as before"
* tag 'efi-fixes-for-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/unaccepted: Make sure unaccepted table is mapped
- drop Ben as he retired from nouveau
core:
- drm_mm test fixes
fbdev:
- Kconfig fixes
ivpu:
- IRQ-handling fixes
meson:
- Fix memory leak in HDMI EDID code
nouveau:
- Correct type casting
- Fix memory leak in scheduler
- u_memcpya() fixes
i915:
- Prevent error pointer dereference
- Fix PMU busyness values when using GuC mode
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0
-----BEGIN PGP SIGNATURE-----
iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmUNNa4ACgkQDHTzWXnE
hr5aYRAAhljCKRxMfxoCxu32epRifZ94J0Cg63FtFFp2ol5O5qJU0lBsFw/mXRg0
3fcnJeaEfnmN3z89cEqP66ltq2BQy6LzudHs2Ifb8k9cumGaWtHC1sVRN09/tiBQ
BFwVE+4EofxFeR9S8n0f7Wd7m/zqoh9caefAKGCl3g5+4T8ATFxlHy7ZG8bW3Z3T
dZS9ANUP2oH18LS+61uYMjuJac5zsPfOmfvAZvuBcjIaaORtISoDIPtkCJCcaIy0
QjCwgEzIVJTXZkiiMBYg/LCYAK+mwYuztV2HLk+xcuOjGnMOZgMvE1SC8Odzrg7f
bvErrsqI7lIMHDR00TguxkQpbKbEbmhetfsbWKiOiw5KwQ8ANxa+CkclDbl+fTnI
zUdQOuz3Cah+b4pZ67CNAKDpuuvnl6Lan+XQcHb080AmU9X0mYgB5kBDjl3wcpTT
ikhqyvR3iIWDIl72tukVqBCpw824O7Q5uOhBNHRd5H20cYOSWsp46ZGF0TtXXiNu
yTBw3eKtvFonXfaEBv0/CtuJzhSudRFtpCxmizot/irXTSTWEdu1/kzXA73l3Cw/
mWDcYxmGdl65waKtsfYvpGEZJVgVp93Q15eYFEwWgX8FN3m3oDtiJ4JvBQCqqa+4
evQVKl/BLbopmaafrqnvAUVLstV9+E5trgVsHq5kewb4LcwcM50=
=LGpk
-----END PGP SIGNATURE-----
Merge tag 'drm-fixes-2023-09-22-2' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Ben Skeggs is stepping away from nouveau and Red Hat for personal
reasons, he'll be missed and we intend to fill the gaps in the
upcoming time with Danilo and Lyude stepping in for now.
Otherwise i915, nouveau, amdgpu with a few each and some misc spread
around.
MAINTAINERS:
- drop Ben as he retired from nouveau
core:
- drm_mm test fixes
fbdev:
- Kconfig fixes
ivpu:
- IRQ-handling fixes
meson:
- Fix memory leak in HDMI EDID code
nouveau:
- Correct type casting
- Fix memory leak in scheduler
- u_memcpya() fixes
i915:
- Prevent error pointer dereference
- Fix PMU busyness values when using GuC mode
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0"
* tag 'drm-fixes-2023-09-22-2' of git://anongit.freedesktop.org/drm/drm:
MAINTAINERS: remove myself as nouveau maintainer
fbdev/sh7760fb: Depend on FB=y
drm/amdkfd: Use gpu_offset for user queue's wptr
drm/amd/display: fix the ability to use lower resolution modes on eDP
drm/amdgpu: fix a memory leak in amdgpu_ras_feature_enable
Revert "drm/amdgpu: Report vbios version instead of PN"
drm/amd/display: Fix MST recognizes connected displays as one
drm/virtio: clean out_fence on complete_submit
i915/pmu: Move execlist stats initialization to execlist specific setup
drm/i915/gt: Prevent error pointer dereference
drm/meson: fix memory leak on ->hpd_notify callback
accel/ivpu/40xx: Fix buttress interrupt handling
nouveau/u_memcpya: fix NULL vs error pointer bug
nouveau/u_memcpya: use vmemdup_user
drm/nouveau: sched: fix leaking memory of timedout job
drm/nouveau: fence: fix type cast warning in nouveau_fence_emit()
drm: fix up fbdev Kconfig defaults
drm/tests: Fix incorrect argument in drm_test_mm_insert_range
Highlights:
- Add Ilpo Järvinen as platform-drivers-x86 co-maintainer
- Set of Intel SCU IPC fixes
- thinkpad_acpi locking fix
The following is an automated git shortlog grouped by driver:
MAINTAINERS:
- Add x86 platform drivers patchwork
- Add myself into x86 platform driver maintainers
intel_scu_ipc:
- Fail IPC send if still busy
- Don't override scu in intel_scu_ipc_dev_simple_command()
- Check status upon timeout in ipc_wait_for_interrupt()
- Check status after timeout in busy_loop()
thinkpad_acpi:
- Take mutex in hotkey_resume
-----BEGIN PGP SIGNATURE-----
iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmUMbYoUHGhkZWdvZWRl
QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9yIbwf+IrmRYfK6Ren6TRqTyb57tuczUAfV
8OvN2iaxDVZX4IvU7AS7YXGb3DPGbqbu7IP5vPybKShuC9Pcr1oPHxccbOqaC9JA
4uzjdIO5ntCcvzb2QLsK+9huL+OCyThI/iwepjrFn+0h82YFf35NkqHpMAUBTA3Z
5RA+un8Pjsm8YZ4gtI3XMQqEWbP43amaMX/mHscuZjgNc5vQVLlccFiUlErCn2ZC
P2UZ3Ld5MREJyy3hIVO7AnGVRMeeuyGhCMGw+4x70mfyoW3+QOwJcnIterZh8of2
iAxZMdKCNO+7XoRD/7Ng+w8YBIssEnPq15Wmug2fZ9o8GTLiSqAQGKlt/Q==
=VACm
-----END PGP SIGNATURE-----
Merge tag 'platform-drivers-x86-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"The most noteworthy change in here is the addition of Ilpo Järvinen as
co-maintainer of platform-drivers-x86. Ilpo will be helping me with
platform-drivers-x86 maintenance going forward and you can expect
pull-requests from Ilpo in the future.
Other then that there is a set of Intel SCU IPC fixes and a
thinkpad_acpi locking fix"
* tag 'platform-drivers-x86-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
MAINTAINERS: Add x86 platform drivers patchwork
MAINTAINERS: Add myself into x86 platform driver maintainers
platform/x86: thinkpad_acpi: Take mutex in hotkey_resume
platform/x86: intel_scu_ipc: Fail IPC send if still busy
platform/x86: intel_scu_ipc: Don't override scu in intel_scu_ipc_dev_simple_command()
platform/x86: intel_scu_ipc: Check status upon timeout in ipc_wait_for_interrupt()
platform/x86: intel_scu_ipc: Check status after timeout in busy_loop()
A pm_runtime_disable was left in when the driver was ported to use
devm_pm_runtime_enable, remove it.
Fixes: ef75e76716 ("spi: cs42l43: Add SPI controller support")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230922090829.1467594-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In order to use run_kselftest.sh the list of tests must be emitted to
populate kselftest-list.txt.
The powerpc Makefile is written to use EMIT_TESTS. But support for
EMIT_TESTS was dropped in commit d4e59a536f ("selftests: Use runner.sh
for emit targets"). Although prior to that commit a548de0fe8
("selftests: lib.mk: add test execute bit check to EMIT_TESTS") had
already broken run_kselftest.sh for powerpc due to the executable check
using the wrong path.
It can be fixed by replacing the EMIT_TESTS definitions with actual
emit_tests rules in the powerpc Makefiles. This makes run_kselftest.sh
able to run powerpc tests:
$ cd linux
$ export ARCH=powerpc
$ export CROSS_COMPILE=powerpc64le-linux-gnu-
$ make headers
$ make -j -C tools/testing/selftests install
$ grep -c "^powerpc" tools/testing/selftests/kselftest_install/kselftest-list.txt
182
Fixes: d4e59a536f ("selftests: Use runner.sh for emit targets")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921072623.828772-1-mpe@ellerman.id.au
The changes to copy_thread() made in commit eed7c420aa ("powerpc:
copy_thread differentiate kthreads and user mode threads") inadvertently
broke arch_stack_walk_reliable() because it has knowledge of the stack
layout.
Fix it by changing the condition to match the new logic in
copy_thread(). The changes make the comments about the stack layout
incorrect, rather than rephrasing them just refer the reader to
copy_thread().
Also the comment about the stack backchain is no longer true, since
commit edbd0387f3 ("powerpc: copy_thread add a back chain to the
switch stack frame"), so remove that as well.
Fixes: eed7c420aa ("powerpc: copy_thread differentiate kthreads and user mode threads")
Reported-by: Joe Lawrence <joe.lawrence@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921232441.1181843-1-mpe@ellerman.id.au
Kernels older than v5.19 do not support PerfMonV2 and the PMI handler
does not clear the overflow bits of the PerfCntrGlobalStatus register.
Because of this, loading a recent kernel using kexec from an older
kernel can result in inconsistent register states on Zen 4 systems.
The PMI handler of the new kernel gets confused and shows a warning when
an overflow occurs because some of the overflow bits are set even if the
corresponding counters are inactive. These are remnants from overflows
that were handled by the older kernel.
During CPU hotplug, the PerfCntrGlobalCtl and PerfCntrGlobalStatus
registers should always be cleared for PerfMonV2-capable processors.
However, a condition used for NB event constaints applicable only to
older processors currently prevents this from happening. Move the reset
sequence to an appropriate place and also clear the LBR Freeze bit.
Fixes: 21d59e3e2c ("perf/x86/amd/core: Detect PerfMonV2 support")
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/882a87511af40792ba69bb0e9026f19a2e71e8a3.1694696888.git.sandipan.das@amd.com
The error paths for xiic_reinit() return negative values on failure
and 0 on success - this error message therefore is triggered on
_success_ rather than failure. Correct the condition so it's only
shown on failure as intended.
Fixes: 8fa9c93880 ("i2c: xiic: return value of xiic_reinit")
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
in_atomic_preempt_off() already gets called in schedule_debug() once,
which is the only caller of __schedule_bug().
Skip the second call within __schedule_bug(), it should always be true
at this point.
[ mingo: Clarified the changelog. ]
Signed-off-by: Liming Wu <liming.wu@jaguarmicro.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230825023501.1848-1-liming.wu@jaguarmicro.com
gpio_sim_make_line_names() returns NULL or ERR_PTR() so we must not use
__free(kfree) on the returned address. Split this function into two, one
that determines the size of the "gpio-line-names" array to allocate and
one that actually sets the names at correct offsets. The allocation and
assignment of the managed pointer happens in between.
Fixes: 3faf89f27a ("gpio: sim: simplify code with cleanup helpers")
Reported-by: Alexey Dobriyan <adobriyan@gmail.com>
Closes: https://lore.kernel.org/all/07c32bf1-6c1a-49d9-b97d-f0ae4a2b42ab@p183/
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The list_head counterpart of list_for_each_entry_reverse() was missing,
add it to complete the list handling APIs in <linux/list.h>.
[ This new API is also relied on by a WIP scheduler patch, so this
variant is not a theoretical possibility only. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQQgO5Idg2tXNTSZAr293/aFa7yZ2AUCZQtxigAKCRC93/aFa7yZ
2J1cAP4pAh6UNBxhVGm1YqDesK6q8K6vRznlapI0McReGsToHAD/bdsbLbrG0MCK
/l/rGEeM9YjXa2IQrmMOZ1zlVDEZfgM=
=Tr01
-----END PGP SIGNATURE-----
Merge tag 'amd-drm-fixes-6.6-2023-09-20' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.6-2023-09-20:
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920222915.7789-1-alexander.deucher@amd.com
Some old drives (e.g. an Ultra320 SCSI disk as reported by John) do not
seem to execute MAINTENANCE_IN / MI_REPORT_SUPPORTED_OPERATION_CODES
commands correctly and hang when a non-zero service action is specified
(one command format with service action case in scsi_report_opcode()).
Currently, CDL probing with scsi_cdl_check_cmd() is the only caller using a
non zero service action for scsi_report_opcode(). To avoid issues with
these old drives, do not attempt CDL probe if the device reports support
for an SPC version lower than 5 (CDL was introduced in SPC-5). To keep
things working with ATA devices which probe for the CDL T2A and T2B pages
introduced with SPC-6, modify ata_scsiop_inq_std() to claim SPC-6 version
compatibility for ATA drives supporting CDL.
SPC-6 standard version number is defined as Dh (= 13) in SPC-6 r09. Fix
scsi_probe_lun() to correctly capture this value by changing the bit mask
for the second byte of the INQUIRY response from 0x7 to 0xf.
include/scsi/scsi.h is modified to add the definition SCSI_SPC_6 with the
value 14 (Dh + 1). The missing definitions for the SCSI_SPC_4 and
SCSI_SPC_5 versions are also added.
Reported-by: John David Anglin <dave.anglin@bell.net>
Fixes: 624885209f ("scsi: core: Detect support for command duration limits")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230915022034.678121-1-dlemoal@kernel.org
Tested-by: David Gow <david@davidgow.net>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If ->iov_idx is zero, This means that the iov vector for the response
was not added during the request process. In other words, it means that
there is a problem in generating a response, So this patch return as
an error to avoid NULL pointer dereferencing problem.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
- provide dummy implementation of acpi_proc_quirk_mwait_check() which
was moved out of generic code into arch/x86, breaking the ia64 build
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZQwtwQAKCRAwbglWLn0t
XAI6AQC/wCi2o6yd10Kyu65Lvn13B/cQGSL3n7RyZYSAObKAvAEA4F/HfQN+uWns
VQy8K/xOyuupSzGnQRxqq/RAPbtQqQ8=
=Qmzd
-----END PGP SIGNATURE-----
Merge tag 'fix-ia64-build-for-v6.6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ardb/linux
Merge an ia64 ACPI build fix for v6.6 from Ard Biesheuvel:
"Build fix for Itanium/ia64:
- provide dummy implementation of acpi_proc_quirk_mwait_check() which
was moved out of generic code into arch/x86, breaking the ia64 build"
* tag 'fix-ia64-build-for-v6.6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ardb/linux:
acpi: Provide ia64 dummy implementation of acpi_proc_quirk_mwait_check()
Current release - regressions:
- bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE
- netfilter: fix entries val in rule reset audit log
- eth: stmmac: fix incorrect rxq|txq_stats reference
Previous releases - regressions:
- ipv4: fix null-deref in ipv4_link_failure
- netfilter:
- fix several GC related issues
- fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
- eth: team: fix null-ptr-deref when team device type is changed
- eth: i40e: fix VF VLAN offloading when port VLAN is configured
- eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
Previous releases - always broken:
- core: fix ETH_P_1588 flow dissector
- mptcp: fix several connection hang-up conditions
- bpf:
- avoid deadlock when using queue and stack maps from NMI
- add override check to kprobe multi link attach
- hsr: properly parse HSRv1 supervisor frames.
- eth: igc: fix infinite initialization loop with early XDP redirect
- eth: octeon_ep: fix tx dma unmap len values in SG
- eth: hns3: fix GRE checksum offload issue
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-----BEGIN PGP SIGNATURE-----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=AoVg
-----END PGP SIGNATURE-----
Merge tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter and bpf.
Current release - regressions:
- bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE
- netfilter: fix entries val in rule reset audit log
- eth: stmmac: fix incorrect rxq|txq_stats reference
Previous releases - regressions:
- ipv4: fix null-deref in ipv4_link_failure
- netfilter:
- fix several GC related issues
- fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
- eth: team: fix null-ptr-deref when team device type is changed
- eth: i40e: fix VF VLAN offloading when port VLAN is configured
- eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
Previous releases - always broken:
- core: fix ETH_P_1588 flow dissector
- mptcp: fix several connection hang-up conditions
- bpf:
- avoid deadlock when using queue and stack maps from NMI
- add override check to kprobe multi link attach
- hsr: properly parse HSRv1 supervisor frames.
- eth: igc: fix infinite initialization loop with early XDP redirect
- eth: octeon_ep: fix tx dma unmap len values in SG
- eth: hns3: fix GRE checksum offload issue"
* tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast()
igc: Expose tx-usecs coalesce setting to user
octeontx2-pf: Do xdp_do_flush() after redirects.
bnxt_en: Flush XDP for bnxt_poll_nitroa0()'s NAPI
net: ena: Flush XDP packets on error.
net/handshake: Fix memory leak in __sock_create() and sock_alloc_file()
net: hinic: Fix warning-hinic_set_vlan_fliter() warn: variable dereferenced before check 'hwdev'
netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
netfilter: nf_tables: fix memleak when more than 255 elements expired
netfilter: nf_tables: disable toggling dormant table state more than once
vxlan: Add missing entries to vxlan_get_size()
net: rds: Fix possible NULL-pointer dereference
team: fix null-ptr-deref when team device type is changed
net: bridge: use DEV_STATS_INC()
net: hns3: add 5ms delay before clear firmware reset irq source
net: hns3: fix fail to delete tc flower rules during reset issue
net: hns3: only enable unicast promisc when mac table full
net: hns3: fix GRE checksum offload issue
net: hns3: add cmdq check for vf periodic service task
net: stmmac: fix incorrect rxq|txq_stats reference
...
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZQsZLQAKCRCRxhvAZXjc
op0vAP96hkSUnmXmxTr8GHId3yfElN8ZZ3aSfePeBdljjKEZVAEA2+cbHLy4GqRi
TpjP1HNIdmtbVSC2ZnrgqkbwGageQgg=
=s92y
-----END PGP SIGNATURE-----
Merge tag 'v6.6-rc3.vfs.ctime.revert' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull finegrained timestamp reverts from Christian Brauner:
"Earlier this week we sent a few minor fixes for the multi-grained
timestamp work in [1]. While we were polishing those up after Linus
realized that there might be a nicer way to fix them we received a
regression report in [2] that fine grained timestamps break gnulib
tests and thus possibly other tools.
The kernel will elide fine-grain timestamp updates when no one is
actively querying for them to avoid performance impacts. So a sequence
like write(f1) stat(f2) write(f2) stat(f2) write(f1) stat(f1) may
result in timestamp f1 to be older than the final f2 timestamp even
though f1 was last written too but the second write didn't update the
timestamp.
Such plotholes can lead to subtle bugs when programs compare
timestamps. For example, the nap() function in [2] will estimate that
it needs to wait one ns on a fine-grain timestamp enabled filesytem
between subsequent calls to observe a timestamp change. But in general
we don't update timestamps with more than one jiffie if we think that
no one is actively querying for fine-grain timestamps to avoid
performance impacts.
While discussing various fixes the decision was to go back to the
drawing board and ultimately to explore a solution that involves only
exposing such fine-grained timestamps to nfs internally and never to
userspace.
As there are multiple solutions discussed the honest thing to do here
is not to fix this up or disable it but to cleanly revert. The general
infrastructure will probably come back but there is no reason to keep
this code in mainline.
The general changes to timestamp handling are valid and a good cleanup
that will stay. The revert is fully bisectable"
Link: https://lore.kernel.org/all/20230918-hirte-neuzugang-4c2324e7bae3@brauner [1]
Link: https://lore.kernel.org/all/bf0524debb976627693e12ad23690094e4514303.camel@linuxfromscratch.org [2]
* tag 'v6.6-rc3.vfs.ctime.revert' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
Revert "fs: add infrastructure for multigrain timestamps"
Revert "btrfs: convert to multigrain timestamps"
Revert "ext4: switch to multigrain timestamps"
Revert "xfs: switch to multigrain timestamps"
Revert "tmpfs: add support for multigrain timestamps"
Jens reported a compiler warning when using
CONFIG_CC_OPTIMIZE_FOR_SIZE=y that looks like this
fs/btrfs/tree-log.c: In function ‘btrfs_log_prealloc_extents’:
fs/btrfs/tree-log.c:4828:23: warning: ‘start_slot’ may be used
uninitialized [-Wmaybe-uninitialized]
4828 | ret = copy_items(trans, inode, dst_path, path,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4829 | start_slot, ins_nr, 1, 0);
| ~~~~~~~~~~~~~~~~~~~~~~~~~
fs/btrfs/tree-log.c:4725:13: note: ‘start_slot’ was declared here
4725 | int start_slot;
| ^~~~~~~~~~
The compiler is incorrect, as we only use this code when ins_len > 0,
and when ins_len > 0 we have start_slot properly initialized. However
we generally find the -Wmaybe-uninitialized warnings valuable, so
initialize start_slot to get rid of the warning.
Reported-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Jens reported a compiler error when using CONFIG_CC_OPTIMIZE_FOR_SIZE=y
that looks like this
In function ‘gather_device_info’,
inlined from ‘btrfs_create_chunk’ at fs/btrfs/volumes.c:5507:8:
fs/btrfs/volumes.c:5245:48: warning: ‘dev_offset’ may be used uninitialized [-Wmaybe-uninitialized]
5245 | devices_info[ndevs].dev_offset = dev_offset;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
fs/btrfs/volumes.c: In function ‘btrfs_create_chunk’:
fs/btrfs/volumes.c:5196:13: note: ‘dev_offset’ was declared here
5196 | u64 dev_offset;
This occurs because find_free_dev_extent is responsible for setting
dev_offset, however if we get an -ENOMEM at the top of the function
we'll return without setting the value.
This isn't actually a problem because we will see the -ENOMEM in
gather_device_info() and return and not use the uninitialized value,
however we also just don't want the compiler warning so rework the code
slightly in find_free_dev_extent() to make sure it's always setting
*start and *len to avoid the compiler warning.
Reported-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
- A fix for breakpoint handling which was using get_user() while atomic.
- Fix the Power10 HASHCHK handler which was using get_user() while atomic.
- A few build fixes for issues caused by recent changes.
Thanks to: Benjamin Gray, Christophe Leroy, Kajol Jain, Naveen N Rao.
-----BEGIN PGP SIGNATURE-----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=piWL
-----END PGP SIGNATURE-----
Merge tag 'powerpc-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- A fix for breakpoint handling which was using get_user() while atomic
- Fix the Power10 HASHCHK handler which was using get_user() while
atomic
- A few build fixes for issues caused by recent changes
Thanks to Benjamin Gray, Christophe Leroy, Kajol Jain, and Naveen N Rao.
* tag 'powerpc-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/dexcr: Move HASHCHK trap handler
powerpc/82xx: Select FSL_SOC
powerpc: Fix build issue with LD_DEAD_CODE_DATA_ELIMINATION and FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
powerpc/watchpoints: Annotate atomic context in more places
powerpc/watchpoint: Disable pagefaults when getting user instruction
powerpc/watchpoints: Disable preemption in thread_change_pc()
powerpc/perf/hv-24x7: Update domain value check
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCZQv/2QAKCRCAXGG7T9hj
vlaAAQCsmQ0V9N9I4SW3G2JKGGIWW6+/IzsKF4RhNlSgm15MNgD9E0nHfEQpRGkL
6qKO7wc/C3PJRrcq8RxWS8jergeT+wY=
=vBS0
-----END PGP SIGNATURE-----
Merge tag 'for-linus-6.6a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- remove some unused functions in the Xen event channel handling
- fix a regression (introduced during the merge window) when booting as
Xen PV guest
- small cleanup removing another strncpy() instance
* tag 'for-linus-6.6a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/efi: refactor deprecated strncpy
x86/xen: allow nesting of same lazy mode
x86/xen: move paravirt lazy code
arm/xen: remove lazy mode related definitions
xen: simplify evtchn_do_upcall() call maze
Fix several compilation errors and warnings in memblock tests
-----BEGIN PGP SIGNATURE-----
iQFEBAABCgAuFiEEeOVYVaWZL5900a/pOQOGJssO/ZEFAmUL2P0QHHJwcHRAa2Vy
bmVsLm9yZwAKCRA5A4Ymyw79kSniB/9crPnn5y/AvzqA/AiRAvK9pbYj8t3lZyRC
PFvqHqg6OOQA2AN7VHcxaty6nMYMnr6Myk8lxmY45tpW6wp16XcFtoGYZAllBwTm
GoqyhRnREDHp7Z0FtKFGcdXm4AYSzEFIlQymoLFJ5S/fGDiBxBd53pacqS0JrL6X
TKKG1wLPiW9Vq/G90dL6N8qgA4vel9/UoE0aKEWHSEiGhhgcEh+foBoOs0F8DR9y
o/GZFVJfW5Jek6D7kWzMMq37dPS4TVJWN8df2Q2Ljy5f64i9sT/3rm+/dV6bmarB
1gjQtI+YoTeu+bZ1I9zJBWwTsMjyjhyZEk1zZxys89+qOnwaCTHF
=bA+b
-----END PGP SIGNATURE-----
Merge tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock test fixes from Mike Rapoport:
"Fix several compilation errors and warnings in memblock tests"
* tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: fix warning ‘struct seq_file’ declared inside parameter list
memblock tests: fix warning: "__ALIGN_KERNEL" redefined
memblock tests: Fix compilation errors.
A large collection of fixes around this time.
All small and mostly trivial fixes.
- Lots of fixes for the new -Wformat-truncation warnings
- A fix in ALSA rawmidi core regression and UMP handling
- Series of Cirrus codec fixes
- ASoC Intel and Realtek codec fixes
- Usual HD- and USB-audio quirks and AMD ASoC quirks
-----BEGIN PGP SIGNATURE-----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=1MuW
-----END PGP SIGNATURE-----
Merge tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A large collection of fixes around this time.
All small and mostly trivial fixes.
- Lots of fixes for the new -Wformat-truncation warnings
- A fix in ALSA rawmidi core regression and UMP handling
- Series of Cirrus codec fixes
- ASoC Intel and Realtek codec fixes
- Usual HD- and USB-audio quirks and AMD ASoC quirks"
* tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (64 commits)
ALSA: hda/realtek - ALC287 Realtek I2S speaker platform support
ALSA: hda: cs35l56: Use the new RUNTIME_PM_OPS() macro
ALSA: usb-audio: scarlett_gen2: Fix another -Wformat-truncation warning
ALSA: rawmidi: Fix NULL dereference at proc read
ASoC: SOF: core: Only call sof_ops_free() on remove if the probe was successful
ASoC: SOF: Intel: MTL: Reduce the DSP init timeout
ASoC: cs42l43: Add shared IRQ flag for shutters
ASoC: imx-audmix: Fix return error with devm_clk_get()
ASoC: hdaudio.c: Add missing check for devm_kstrdup
ALSA: riptide: Fix -Wformat-truncation warning for longname string
ALSA: cs4231: Fix -Wformat-truncation warning for longname string
ALSA: ad1848: Fix -Wformat-truncation warning for longname string
ALSA: hda: generic: Check potential mixer name string truncation
ALSA: cmipci: Fix -Wformat-truncation warning
ALSA: firewire: Fix -Wformat-truncation warning for MIDI stream names
ALSA: firewire: Fix -Wformat-truncation warning for longname string
ALSA: xen: Fix -Wformat-truncation warning
ALSA: opti9x: Fix -Wformat-truncation warning
ALSA: es1688: Fix -Wformat-truncation warning
ALSA: cs4236: Fix -Wformat-truncation warning
...
One patch to drop a non-existent alarm attribute in the nct6775 driver
-----BEGIN PGP SIGNATURE-----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=7x+T
-----END PGP SIGNATURE-----
Merge tag 'hwmon-for-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"One patch to drop a non-existent alarm attribute in the nct6775 driver"
* tag 'hwmon-for-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (nct6775) Fix non-existent ALARM warning
The mmu_notifier path is a bit of a special snowflake, e.g. it zaps only a
single address space (because it's per-slot), and can't always yield.
Because of this, it calls kvm_tdp_mmu_zap_leafs() in ways that no one
else does.
Iterate manually over the leafs in response to an mmu_notifier
invalidation, instead of invoking kvm_tdp_mmu_zap_leafs(). Drop the
@can_yield param from kvm_tdp_mmu_zap_leafs() as its sole remaining
caller unconditionally passes "true".
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230916003916.2545000-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently the AIA ONE_REG registers are reported by get-reg-list
as new registers for various vcpu_reg_list configs whenever Ssaia
is available on the host because Ssaia extension can only be
disabled by Smstateen extension which is not always available.
To tackle this, we should filter-out AIA ONE_REG registers only
when Ssaia can't be disabled for a VCPU.
Fixes: 477069398e ("KVM: riscv: selftests: Add get-reg-list test")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Same set of ISA_EXT registers are not present on all host because
ISA_EXT registers are visible to the KVM user space based on the
ISA extensions available on the host. Also, disabling an ISA
extension using corresponding ISA_EXT register does not affect
the visibility of the ISA_EXT register itself.
Based on the above, we should filter-out all ISA_EXT registers.
Fixes: 477069398e ("KVM: riscv: selftests: Add get-reg-list test")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
The riscv_vcpu_get_isa_ext_single() should fail with -ENOENT error
when corresponding ISA extension is not available on the host.
Fixes: e98b1085be ("RISC-V: KVM: Factor-out ONE_REG related code to its own source file")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
The ISA_EXT registers to enabled/disable ISA extensions for VCPU
are always available when underlying host has the corresponding
ISA extension. The copy_isa_ext_reg_indices() called by the
KVM_GET_REG_LIST API does not align with this expectation so
let's fix it.
Fixes: 031f9efafc ("KVM: riscv: Add KVM_GET_REG_LIST API support")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
