- Force PIO for ATAPI devices on VT6415/VT6330 as the controller locks up
on ATAPI DMA (Tasos)
- Fix ACPI PATA cable type detection such that the controller is not
forced down to a slow transfer mode (Tasos)
- Fix build error on 32-bit UML (Johannes)
- Fix a PCI region leak in the pata_macio driver so that the driver no
longer fails to load after rmmod (Philipp)
- Use correct DMI BIOS build date for ThinkPad W541 quirk (me)
- Disallow LPM for ASUSPRO-D840SA motherboard as this board interestingly
enough gets graphical corruptions on the iGPU when LPM is enabled (me)
- Disallow LPM for Asus B550-F motherboard as this board will get command
timeouts on ports 5 and 6, yet LPM with the same drive works fine on
all other ports (Mikko)
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Merge tag 'ata-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Force PIO for ATAPI devices on VT6415/VT6330 as the controller locks
up on ATAPI DMA (Tasos)
- Fix ACPI PATA cable type detection such that the controller is not
forced down to a slow transfer mode (Tasos)
- Fix build error on 32-bit UML (Johannes)
- Fix a PCI region leak in the pata_macio driver so that the driver no
longer fails to load after rmmod (Philipp)
- Use correct DMI BIOS build date for ThinkPad W541 quirk (me)
- Disallow LPM for ASUSPRO-D840SA motherboard as this board
interestingly enough gets graphical corruptions on the iGPU when LPM
is enabled (me)
- Disallow LPM for Asus B550-F motherboard as this board will get
command timeouts on ports 5 and 6, yet LPM with the same drive works
fine on all other ports (Mikko)
* tag 'ata-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: ahci: Disallow LPM for Asus B550-F motherboard
ata: ahci: Disallow LPM for ASUSPRO-D840SA motherboard
ata: ahci: Use correct BIOS build date for ThinkPad W541 quirk
ata: pata_macio: Fix PCI region leak
ata: pata_cs5536: fix build on 32-bit UML
ata: libata-acpi: Do not assume 40 wire cable if no devices are enabled
ata: pata_via: Force PIO for ATAPI devices on VT6415/VT6330
- Convert device tree bindings to YAML
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Merge tag 'libnvdimm-fixes-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Ira Weiny:
"This converts the pmem-region device tree bindings to YAML to fix
errors and bring it up to date"
* tag 'libnvdimm-fixes-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dt-bindings: pmem: Convert binding to YAML
Fixes and New HW Support
- amd/hsmp: Timeout handling fixes
- amd/pmc:
- Clear metrics table at start of cycle
- Add PCSpecialist Lafite Pro V 14M to 8042 quirks list
- amd/pmf: Fix error handling corner cases (nth attempt)
- alienware-wmi-wmax: Revert G-Mode support as it lowers performance
- dell_rbu:
- Fix sparse lock context warning
- Fix list head usage
- Don't overwrite data buffer past the size of the last packet
- ideapad-laptop: Ensure EC is not polled too frequently
- intel-uncore-freq:
- Fail module load when plat_info is NULL
- Avoid a non-literal format string as it triggers a compiler warning
- intel/pmc: Add Lunar Lake and Panther Lake support to SSRAM Telemetry
- intel/power-domains: Fix error code in tpmi_init()
- samsung-galaxybook: Add support for Notebook 9 Pro and others (SAM0426)
The following is an automated shortlog grouped by driver:
amd/pmc:
- Add PCSpecialist Lafite Pro V 14M to 8042 quirks list
amd: pmc:
- Clear metrics table at start of cycle
amd: pmf:
- Prevent amd_pmf_tee_deinit() from running twice
- Simplify error flow in amd_pmf_init_smart_pc()
- Use device managed allocations
dell_rbu:
- Bump version
- Fix list usage
- Fix lock context warning
- Stop overwriting data buffer
ideapad-laptop:
- use usleep_range() for EC polling
intel/pmc:
- Add Lunar Lake support to Intel PMC SSRAM Telemetry
- Add Panther Lake support to Intel PMC SSRAM Telemetry
intel: power-domains:
- Fix error code in tpmi_init()
intel-uncore-freq:
- avoid non-literal format string
- Fail module load when plat_info is NULL
MAINTAINERS: .mailmap:
- Update Hans de Goede's email address
platform/x86: alienware-wmi-wmax:
- Revert: Add G-Mode support to Alienware m16 R1
samsung-galaxybook:
- Add SAM0426
x86/platform/amd:
- move final timeout check to after final sleep
- replace down_timeout() with down_interruptible()
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Merge tag 'platform-drivers-x86-v6.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- amd/hsmp: Timeout handling fixes
- amd/pmc:
- Clear metrics table at start of cycle
- Add PCSpecialist Lafite Pro V 14M to 8042 quirks list
- amd/pmf: Fix error handling corner cases (nth attempt)
- alienware-wmi-wmax: Revert G-Mode support as it lowers performance
- dell_rbu:
- Fix sparse lock context warning
- Fix list head usage
- Don't overwrite data buffer past the size of the last packet
- ideapad-laptop: Ensure EC is not polled too frequently
- intel-uncore-freq:
- Fail module load when plat_info is NULL
- Avoid a non-literal format string as it triggers a compiler warning
- intel/pmc: Add Lunar Lake and Panther Lake support to SSRAM Telemetry
- intel/power-domains: Fix error code in tpmi_init()
- samsung-galaxybook: Add support for Notebook 9 Pro and others
(SAM0426)
* tag 'platform-drivers-x86-v6.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
Revert "platform/x86: alienware-wmi-wmax: Add G-Mode support to Alienware m16 R1"
platform/x86/amd/pmc: Add PCSpecialist Lafite Pro V 14M to 8042 quirks list
platform/x86/intel-uncore-freq: avoid non-literal format string
platform/x86/intel/pmc: Add Panther Lake support to Intel PMC SSRAM Telemetry
platform/x86/intel/pmc: Add Lunar Lake support to Intel PMC SSRAM Telemetry
MAINTAINERS: .mailmap: Update Hans de Goede's email address
platform/x86: dell_rbu: Bump version
platform/x86: dell_rbu: Stop overwriting data buffer
platform/x86: dell_rbu: Fix list usage
platform/x86: dell_rbu: Fix lock context warning
platform/x86/amd: pmf: Simplify error flow in amd_pmf_init_smart_pc()
platform/x86/amd: pmf: Prevent amd_pmf_tee_deinit() from running twice
platform/x86/amd: pmf: Use device managed allocations
x86/platform/amd: replace down_timeout() with down_interruptible()
x86/platform/amd: move final timeout check to after final sleep
platform/x86/amd: pmc: Clear metrics table at start of cycle
platform/x86/intel: power-domains: Fix error code in tpmi_init()
platform/x86: samsung-galaxybook: Add SAM0426
platform/x86/intel-uncore-freq: Fail module load when plat_info is NULL
platform/x86: ideapad-laptop: use usleep_range() for EC polling
Asus ROG STRIX B550-F GAMING (WI-FI) motherboard has problems on some
SATA ports with at least one hard drive model (WDC WD20EFAX-68FB5N0)
when LPM is enabled. Disabling LPM solves the issue.
Cc: stable@vger.kernel.org
Fixes: 7627a0edef ("ata: ahci: Drop low power policy board type")
Signed-off-by: Mikko Korhonen <mjkorhon@gmail.com>
Link: https://lore.kernel.org/r/20250617062055.784827-1-mjkorhon@gmail.com
[cassel: more detailed comment, make single line comments consistent]
Signed-off-by: Niklas Cassel <cassel@kernel.org>
* Avoid using large pages for kernel mappings when PSE is not enumerated
* Avoid ever making indirect calls to TDX assembly helpers
* Fix a FRED single step issue when not using an external debugger
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Merge tag 'x86_urgent_for_6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Dave Hansen:
"This is a pretty scattered set of fixes. The majority of them are
further fixups around the recent ITS mitigations.
The rest don't really have a coherent story:
- Some flavors of Xen PV guests don't support large pages, but the
set_memory.c code assumes all CPUs support them.
Avoid problems with a quick CPU feature check.
- The TDX code has some wrappers to help retry calls to the TDX
module. They use function pointers to assembly functions and the
compiler usually generates direct CALLs. But some new compilers,
plus -Os turned them in to indirect CALLs and the assembly code was
not annotated for indirect calls.
Force inlining of the helper to fix it up.
- Last, a FRED issue showed up when single-stepping. It's fine when
using an external debugger, but was getting stuck returning from a
SIGTRAP handler otherwise.
Clear the FRED 'swevent' bit to ensure that forward progress is
made"
* tag 'x86_urgent_for_6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "mm/execmem: Unify early execmem_cache behaviour"
x86/its: explicitly manage permissions for ITS pages
x86/its: move its_pages array to struct mod_arch_specific
x86/Kconfig: only enable ROX cache in execmem when STRICT_MODULE_RWX is set
x86/mm/pat: don't collapse pages without PSE set
x86/virt/tdx: Avoid indirect calls to TDX assembly functions
selftests/x86: Add a test to detect infinite SIGTRAP handler loop
x86/fred/signal: Prevent immediate repeat of single step trap on return from SIGTRAP handler
- Fix to handle VDSO32 with pcrel
- Couple of dts fixes in microwatt and mpc8315erdb
- Fix to handle PE bridge reconfiguration in VFIO EEH recovery path
- Fix ioctl macros related to struct termio
Thanks to: Christophe Leroy, Ganesh Goudar, J. Neuschäfer, Justin M. Forbes, Michael Ellerman, Narayana Murty N, Tulio Magno, Vaibhav Jain
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Merge tag 'powerpc-6.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Madhavan Srinivasan:
- Fix to handle VDSO32 with pcrel
- Couple of dts fixes in microwatt and mpc8315erdb
- Fix to handle PE bridge reconfiguration in VFIO EEH recovery path
- Fix ioctl macros related to struct termio
Thanks to Christophe Leroy, Ganesh Goudar, J. Neuschäfer, Justin M.
Forbes, Michael Ellerman, Narayana Murty N, Tulio Magno, and Vaibhav
Jain
* tag 'powerpc-6.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Fix struct termio related ioctl macros
powerpc: dts: mpc8315erdb: Add GPIO controller node
powerpc/microwatt: Fix model property in device tree
powerpc/eeh: Fix missing PE bridge reconfiguration during VFIO EEH recovery
powerpc/vdso: Fix build of VDSO32 with pcrel
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Merge tag 'vfs-6.16-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Fix a regression in overlayfs caused by reworking the lookup_one*()
set of helpers
- Make sure that the name of the dentry is printed in overlayfs'
mkdir() helper
- Add missing iocb values to TRACE_IOCB_STRINGS define
- Unlock the superblock during iterate_supers_type(). This was an
accidental internal api change
- Drop a misleading assert in file_seek_cur_needs_f_lock() helper
- Never refuse to return PIDFD_GET_INGO when parent pid is zero
That can trivially happen in container scenarios where the parent
process might be located in an ancestor pid namespace
- Don't revalidate in try_lookup_noperm() as that causes regression for
filesystems such as cifs
- Fix simple_xattr_list() and reset the err variable after
security_inode_listsecurity() got called so as not to confuse
userspace about the length of the xattr
* tag 'vfs-6.16-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: drop assert in file_seek_cur_needs_f_lock
fs: unlock the superblock during iterate_supers_type
ovl: fix debug print in case of mkdir error
VFS: change try_lookup_noperm() to skip revalidation
fs: add missing values to TRACE_IOCB_STRINGS
fs/xattr.c: fix simple_xattr_list()
ovl: fix regression caused by lookup helpers API changes
pidfs: never refuse ppid == 0 in PIDFD_GET_INFO
The assert in function file_seek_cur_needs_f_lock() can be triggered very
easily because there are many users of vfs_llseek() (such as overlayfs)
that do their custom locking around llseek instead of relying on
fdget_pos(). Just drop the overzealous assertion.
Fixes: da06e3c517 ("fs: don't needlessly acquire f_lock")
Suggested-by: Jan Kara <jack@suse.cz>
Suggested-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Luis Henriques <luis@igalia.com>
Link: https://lore.kernel.org/20250613101111.17716-1-luis@igalia.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
- Move warnings about linux/export.h from W=1 to W=2
- Fix structure type overrides in gendwarfksyms
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Merge tag 'kbuild-fixes-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Move warnings about linux/export.h from W=1 to W=2
- Fix structure type overrides in gendwarfksyms
* tag 'kbuild-fixes-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
gendwarfksyms: Fix structure type overrides
kbuild: move warnings about linux/export.h from W=1 to W=2
As we always iterate through the entire die_map when expanding
type strings, recursively processing referenced types in
type_expand_child() is not actually necessary. Furthermore,
the type_string kABI rule added in commit c9083467f7
("gendwarfksyms: Add a kABI rule to override type strings") can
fail to override type strings for structures due to a missing
kabi_get_type_string() check in this function.
Fix the issue by dropping the unnecessary recursion and moving
the override check to type_expand(). Note that symbol versions
are otherwise unchanged with this patch.
Fixes: c9083467f7 ("gendwarfksyms: Add a kABI rule to override type strings")
Reported-by: Giuliano Procida <gprocida@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Merge tag 'block-6.16-20250614' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix for a deadlock on queue freeze with zoned writes
- Fix for zoned append emulation
- Two bio folio fixes, for sparsemem and for very large folios
- Fix for a performance regression introduced in 6.13 when plug
insertion was changed
- Fix for NVMe passthrough handling for polled IO
- Document the ublk auto registration feature
- loop lockdep warning fix
* tag 'block-6.16-20250614' of git://git.kernel.dk/linux:
nvme: always punt polled uring_cmd end_io work to task_work
Documentation: ublk: Separate UBLK_F_AUTO_BUF_REG fallback behavior sublists
block: Fix bvec_set_folio() for very large folios
bio: Fix bio_first_folio() for SPARSEMEM without VMEMMAP
block: use plug request list tail for one-shot backmerge attempt
block: don't use submit_bio_noacct_nocheck in blk_zone_wplug_bio_work
block: Clear BIO_EMULATES_ZONE_APPEND flag on BIO completion
ublk: document auto buffer registration(UBLK_F_AUTO_BUF_REG)
loop: move lo_set_size() out of queue freeze
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Merge tag 'io_uring-6.16-20250614' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix for a race between SQPOLL exit and fdinfo reading.
It's slim and I was only able to reproduce this with an artificial
delay in the kernel. Followup sparse fix as well to unify the access
to ->thread.
- Fix for multiple buffer peeking, avoiding truncation if possible.
- Run local task_work for IOPOLL reaping when the ring is exiting.
This currently isn't done due to an assumption that polled IO will
never need task_work, but a fix on the block side is going to change
that.
* tag 'io_uring-6.16-20250614' of git://git.kernel.dk/linux:
io_uring: run local task_work from ring exit IOPOLL reaping
io_uring/kbuf: don't truncate end buffer for multiple buffer peeks
io_uring: consistently use rcu semantics with sqpoll thread
io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()
'kernel' crate:
- 'hrtimer': fix future compile error when the 'impl_has_hr_timer!'
macro starts to get called.
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Merge tag 'rust-fixes-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust fix from Miguel Ojeda:
- 'hrtimer': fix future compile error when the 'impl_has_hr_timer!'
macro starts to get called
* tag 'rust-fixes-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: time: Fix compile error in impl_has_hr_timer macro
or aren't considered necessary for -stable kernels. Only 4 are for MM.
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Merge tag 'mm-hotfixes-stable-2025-06-13-21-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"9 hotfixes. 3 are cc:stable and the remainder address post-6.15 issues
or aren't considered necessary for -stable kernels. Only 4 are for MM"
* tag 'mm-hotfixes-stable-2025-06-13-21-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: add mmap_prepare() compatibility layer for nested file systems
init: fix build warnings about export.h
MAINTAINERS: add Barry as a THP reviewer
drivers/rapidio/rio_cm.c: prevent possible heap overwrite
mm: close theoretical race where stale TLB entries could linger
mm/vma: reset VMA iterator on commit_merge() OOM failure
docs: proc: update VmFlags documentation in smaps
scatterlist: fix extraneous '@'-sign kernel-doc notation
selftests/mm: skip failed memfd setups in gup_longterm
All fixes for drivers. The core change in the error handler is simply
to translate an ALUA specific sense code into a retry the ALUA
components can handle and won't impact any other devices.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"All fixes for drivers.
The core change in the error handler is simply to translate an ALUA
specific sense code into a retry the ALUA components can handle and
won't impact any other devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: error: alua: I/O errors for ALUA state transitions
scsi: storvsc: Increase the timeouts to storvsc_timeout
scsi: s390: zfcp: Ensure synchronous unit_add
scsi: iscsi: Fix incorrect error path labels for flashnode operations
scsi: mvsas: Fix typos in per-phy comments and SAS cmd port registers
scsi: core: ufs: Fix a hang in the error handler
vc4:
- Fix infinite EPROBE_DEFER loop in vc4 probing.
amdxdna:
- Fix amdxdna firmware size.
meson:
- modesetting fixes
sitronix:
- Kconfig fix for st7171-i2c.
dma-buf:
- Fix -EBUSY WARN_ON_ONCE in dma-buf
udmabuf:
- Use dma_sync_sgtable_for_cpu in udmabuf.
xe:
- Fix regression disallowing 64K SVM migration
- Use a bounce buffer for WA BB
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Merge tag 'drm-fixes-2025-06-14' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Quiet week, only two pull requests came my way, xe has a couple of
fixes and then a bunch of fixes across the board, vc4 probably fixes
the biggest problem:
vc4:
- Fix infinite EPROBE_DEFER loop in vc4 probing
amdxdna:
- Fix amdxdna firmware size
meson:
- modesetting fixes
sitronix:
- Kconfig fix for st7171-i2c
dma-buf:
- Fix -EBUSY WARN_ON_ONCE in dma-buf
udmabuf:
- Use dma_sync_sgtable_for_cpu in udmabuf
xe:
- Fix regression disallowing 64K SVM migration
- Use a bounce buffer for WA BB"
* tag 'drm-fixes-2025-06-14' of https://gitlab.freedesktop.org/drm/kernel:
drm/xe/lrc: Use a temporary buffer for WA BB
udmabuf: use sgtable-based scatterlist wrappers
dma-buf: fix compare in WARN_ON_ONCE
drm/sitronix: st7571-i2c: Select VIDEOMODE_HELPERS
drm/meson: fix more rounding issues with 59.94Hz modes
drm/meson: use vclk_freq instead of pixel_freq in debug print
drm/meson: fix debug log statement when setting the HDMI clocks
drm/vc4: fix infinite EPROBE_DEFER loop
drm/xe/svm: Fix regression disallowing 64K SVM migration
accel/amdxdna: Fix incorrect PSP firmware size
In preparation for needing to shift NVMe passthrough to always use
task_work for polled IO completions, ensure that those are suitably
run at exit time. See commit:
9ce6c9875f ("nvme: always punt polled uring_cmd end_io work to task_work")
for details on why that is necessary.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently NVMe uring_cmd completions will complete locally, if they are
polled. This is done because those completions are always invoked from
task context. And while that is true, there's no guarantee that it's
invoked under the right ring context, or even task. If someone does
NVMe passthrough via multiple threads and with a limited number of
poll queues, then ringA may find completions from ringB. For that case,
completing the request may not be sound.
Always just punt the passthrough completions via task_work, which will
redirect the completion, if needed.
Cc: stable@vger.kernel.org
Fixes: 585079b6e4 ("nvme: wire up async polling for io passthrough commands")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Update the faux device handling code in the driver core and address
an ACPI APEI error injection driver failure that started to occur
after switching it over to using a faux device on top of that (Dan
Williams).
- Update data types of variables passed as arguments to
mwait_idle_with_hints() in the ACPI PAD (processor aggregator device)
driver to match the function definition after recent changes (Uros
Bizjak).
- Fix a NULL pointer dereference in the ACPI CPPC library that occurs
when nosmp is passed to the kernel in the command line (Yunhui Cui).
- Ignore ECDT tables with an invalid ID string to prevent using an
incorrect GPE for signaling events on some systems (Armin Wolf).
- Add a new IRQ override quirk for MACHENIKE 16P (Wentao Guan).
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Merge tag 'acpi-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix an ACPI APEI error injection driver failure that started to
occur after switching it over to using a faux device, address an EC
driver issue related to invalid ECDT tables, clean up the usage of
mwait_idle_with_hints() in the ACPI PAD driver, add a new IRQ override
quirk, and fix a NULL pointer dereference related to nosmp:
- Update the faux device handling code in the driver core and address
an ACPI APEI error injection driver failure that started to occur
after switching it over to using a faux device on top of that (Dan
Williams)
- Update data types of variables passed as arguments to
mwait_idle_with_hints() in the ACPI PAD (processor aggregator
device) driver to match the function definition after recent
changes (Uros Bizjak)
- Fix a NULL pointer dereference in the ACPI CPPC library that occurs
when nosmp is passed to the kernel in the command line (Yunhui Cui)
- Ignore ECDT tables with an invalid ID string to prevent using an
incorrect GPE for signaling events on some systems (Armin Wolf)
- Add a new IRQ override quirk for MACHENIKE 16P (Wentao Guan)"
* tag 'acpi-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: resource: Use IRQ override on MACHENIKE 16P
ACPI: EC: Ignore ECDT tables with an invalid ID string
ACPI: CPPC: Fix NULL pointer dereference when nosmp is used
ACPI: PAD: Update arguments of mwait_idle_with_hints()
ACPI: APEI: EINJ: Do not fail einj_init() on faux_device_create() failure
driver core: faux: Quiet probe failures
driver core: faux: Suppress bind attributes
- Implement CpuId Rust abstraction and use it to fix doctest failure
related to the recently introduced cpumask abstraction (Viresh Kumar).
- Do minor cleanups in the `# Safety` sections for cpufreq abstractions
added recently (Viresh Kumar).
- Unbreak cpupower systemd service units installation on some systems
by adding a unitdir variable for specifying the location to install
them (Francesco Poli).
- Eliminate mwait_play_dead_cpuid_hint() again after reverting its
elimination during the 6.16 merge window due to a problem with
handling "dead" SMT siblings, but this time prevent leaving them in
C1 after initialization by taking them online and back offline when
a proper cpuidle driver for the platform has been registered (Rafael
Wysocki).
- Update data types of variables passed as arguments to
mwait_idle_with_hints() to match the function definition
after recent changes (Uros Bizjak).
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Merge tag 'pm-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the cpupower utility installation, fix up the recently added
Rust abstractions for cpufreq and OPP, restore the x86 update
eliminating mwait_play_dead_cpuid_hint() that has been reverted during
the 6.16 merge window along with preventing the failure caused by it
from happening, and clean up mwait_idle_with_hints() usage in
intel_idle:
- Implement CpuId Rust abstraction and use it to fix doctest failure
related to the recently introduced cpumask abstraction (Viresh
Kumar)
- Do minor cleanups in the `# Safety` sections for cpufreq
abstractions added recently (Viresh Kumar)
- Unbreak cpupower systemd service units installation on some systems
by adding a unitdir variable for specifying the location to install
them (Francesco Poli)
- Eliminate mwait_play_dead_cpuid_hint() again after reverting its
elimination during the 6.16 merge window due to a problem with
handling "dead" SMT siblings, but this time prevent leaving them in
C1 after initialization by taking them online and back offline when
a proper cpuidle driver for the platform has been registered
(Rafael Wysocki)
- Update data types of variables passed as arguments to
mwait_idle_with_hints() to match the function definition after
recent changes (Uros Bizjak)"
* tag 'pm-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
rust: cpu: Add CpuId::current() to retrieve current CPU ID
rust: Use CpuId in place of raw CPU numbers
rust: cpu: Introduce CpuId abstraction
intel_idle: Update arguments of mwait_idle_with_hints()
cpufreq: Convert `/// SAFETY` lines to `# Safety` sections
cpupower: split unitdir from libdir in Makefile
Reapply "x86/smp: Eliminate mwait_play_dead_cpuid_hint()"
ACPI: processor: Rescan "dead" SMT siblings during initialization
intel_idle: Rescan "dead" SMT siblings during initialization
x86/smp: PM/hibernate: Split arch_resume_nosmt()
intel_idle: Use subsys_initcall_sync() for initialization
Merge assorted ACPI updates for 6.16-rc2:
- Update data types of variables passed as arguments to
mwait_idle_with_hints() in the ACPI PAD (processor aggregator device)
driver to match the function definition after recent changes (Uros
Bizjak).
- Fix a NULL pointer dereference in the ACPI CPPC library that occurs
when nosmp is passed to the kernel in the command line (Yunhui Cui).
- Ignore ECDT tables with an invalid ID string to prevent using an
incorrect GPE for signaling events on some systems (Armin Wolf).
- Add a new IRQ override quirk for MACHENIKE 16P (Wentao Guan).
* acpi-pad:
ACPI: PAD: Update arguments of mwait_idle_with_hints()
* acpi-cppc:
ACPI: CPPC: Fix NULL pointer dereference when nosmp is used
* acpi-ec:
ACPI: EC: Ignore ECDT tables with an invalid ID string
* acpi-resource:
ACPI: resource: Use IRQ override on MACHENIKE 16P
Merge cpuidle updates for 6.16-rc2:
- Update data types of variables passed as arguments to
mwait_idle_with_hints() to match the function definition
after recent changes (Uros Bizjak).
- Eliminate mwait_play_dead_cpuid_hint() again after reverting its
elimination during the merge window due to a problem with handling
"dead" SMT siblings, but this time prevent leaving them in C1 after
initialization by taking them online and back offline when a proper
cpuidle driver for the platform has been registered (Rafael Wysocki).
* pm-cpuidle:
intel_idle: Update arguments of mwait_idle_with_hints()
Reapply "x86/smp: Eliminate mwait_play_dead_cpuid_hint()"
ACPI: processor: Rescan "dead" SMT siblings during initialization
intel_idle: Rescan "dead" SMT siblings during initialization
x86/smp: PM/hibernate: Split arch_resume_nosmt()
intel_idle: Use subsys_initcall_sync() for initialization
Merge a cpupower utility fix for 6.16-rc2 that unbreaks systemd service
units installation on some sysems (Francesco Poli).
* pm-tools:
cpupower: split unitdir from libdir in Makefile
A collection of driver specific fixes, most minor apart from the OMAP
ones which disable some recent performance optimisations in some
non-standard cases where we could start driving the bus incorrectly.
The change to the stm32-ospi driver to use the newer reset APIs is a fix
for interactions with other IP sharing the same reset line in some SoCs.
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Merge tag 'spi-fix-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A collection of driver specific fixes, most minor apart from the OMAP
ones which disable some recent performance optimisations in some
non-standard cases where we could start driving the bus incorrectly.
The change to the stm32-ospi driver to use the newer reset APIs is a
fix for interactions with other IP sharing the same reset line in some
SoCs"
* tag 'spi-fix-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-pci1xxxx: Drop MSI-X usage as unsupported by DMA engine
spi: stm32-ospi: clean up on error in probe()
spi: stm32-ospi: Make usage of reset_control_acquire/release() API
spi: offload: check offload ops existence before disabling the trigger
spi: spi-pci1xxxx: Fix error code in probe
spi: loongson: Fix build warnings about export.h
spi: omap2-mcspi: Disable multi-mode when the previous message kept CS asserted
spi: omap2-mcspi: Disable multi mode when CS should be kept asserted after message
One minor fix for a leak in the DT parsing code in the max20086 driver.
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Merge tag 'regulator-fix-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"One minor fix for a leak in the DT parsing code in the max20086 driver"
* tag 'regulator-fix-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: max20086: Fix refcount leak in max20086_parse_regulators_dt()
If an exiting non-autoreaping task has already passed exit_notify() and
calls handle_posix_cpu_timers() from IRQ, it can be reaped by its parent
or debugger right after unlock_task_sighand().
If a concurrent posix_cpu_timer_del() runs at that moment, it won't be
able to detect timer->it.cpu.firing != 0: cpu_timer_task_rcu() and/or
lock_task_sighand() will fail.
Add the tsk->exit_state check into run_posix_cpu_timers() to fix this.
This fix is not needed if CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y, because
exit_task_work() is called before exit_notify(). But the check still
makes sense, task_work_add(&tsk->posix_cputimers_work.work) will fail
anyway in this case.
Cc: stable@vger.kernel.org
Reported-by: Benoît Sevens <bsevens@google.com>
Fixes: 0bdd2ed413 ("sched: run_posix_cpu_timers: Don't check ->exit_state, use lock_task_sighand()")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Do not free "head" variable in filter_free_subsystem_filters()
The first error path jumps to "free_now" label but first frees the newly
allocated "head" variable. But the "free_now" code checks this variable,
and if it is not NULL, it will iterate the list. As this list variable
was already initialized, the "free_now" code will not do anything as it
is empty. But freeing it will cause a UAF bug. The error path should
simply jump to the "free_now" label and leave the "head" variable alone.
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Merge tag 'trace-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
- Do not free "head" variable in filter_free_subsystem_filters()
The first error path jumps to "free_now" label but first frees the
newly allocated "head" variable. But the "free_now" code checks this
variable, and if it is not NULL, it will iterate the list. As this
list variable was already initialized, the "free_now" code will not
do anything as it is empty. But freeing it will cause a UAF bug.
The error path should simply jump to the "free_now" label and leave
the "head" variable alone.
* tag 'trace-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Do not free "head" on error path of filter_free_subsystem_filters()
- Rework of system register accessors for system registers that are
directly writen to memory, so that sanitisation of the in-memory
value happens at the correct time (after the read, or before the
write). For convenience, RMW-style accessors are also provided.
- Multiple fixes for the so-called "arch-timer-edge-cases' selftest,
which was always broken.
x86:
- Make KVM_PRE_FAULT_MEMORY stricter for TDX, allowing userspace to pass
only the "untouched" addresses and flipping the shared/private bit
in the implementation.
- Disable SEV-SNP support on initialization failure
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Rework of system register accessors for system registers that are
directly writen to memory, so that sanitisation of the in-memory
value happens at the correct time (after the read, or before the
write). For convenience, RMW-style accessors are also provided.
- Multiple fixes for the so-called "arch-timer-edge-cases' selftest,
which was always broken.
x86:
- Make KVM_PRE_FAULT_MEMORY stricter for TDX, allowing userspace to
pass only the "untouched" addresses and flipping the shared/private
bit in the implementation.
- Disable SEV-SNP support on initialization failure
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: Reject direct bits in gpa passed to KVM_PRE_FAULT_MEMORY
KVM: x86/mmu: Embed direct bits into gpa for KVM_PRE_FAULT_MEMORY
KVM: SEV: Disable SEV-SNP support on initialization failure
KVM: arm64: selftests: Determine effective counter width in arch_timer_edge_cases
KVM: arm64: selftests: Fix xVAL init in arch_timer_edge_cases
KVM: arm64: selftests: Fix thread migration in arch_timer_edge_cases
KVM: arm64: selftests: Fix help text for arch_timer_edge_cases
KVM: arm64: Make __vcpu_sys_reg() a pure rvalue operand
KVM: arm64: Don't use __vcpu_sys_reg() to get the address of a sysreg
KVM: arm64: Add RMW specific sysreg accessor
KVM: arm64: Add assignment-specific sysreg accessor
If peeking a bunch of buffers, normally io_ring_buffers_peek() will
truncate the end buffer. This isn't optimal as presumably more data will
be arriving later, and hence it's better to stop with the last full
buffer rather than truncate the end buffer.
Cc: stable@vger.kernel.org
Fixes: 35c8711c8f ("io_uring/kbuf: add helpers for getting/peeking multiple buffers")
Reported-by: Christian Mazakas <christian.mazakas@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'v6.16-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix a broken self-test in hkdf (new regression)"
* tag 'v6.16-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: hkdf - move to late_initcall
As usual, highlighting the ones users have been noticing:
- Fix a small issue with has_case_insensitive not being propagated on
snapshot creation; this led to fsck errors, which we're harmless
because we're not using this flag yet (it's for overlayfs +
casefolding).
- Log the error being corrected in the journal when we're doing fsck
repair: this was one of the "lessons learned" from the i_nlink 0 ->
subvolume deletion bug, where reconstructing what had happened by
analyzing the journal was a bit more difficult than it needed to be.
- Don't schedule btree node scan to run in the superblock: this fixes a
regression from the 6.16 recovery passes rework, and let to it running
unnecessarily.
The real issue here is that we don't have online, "self healing" style
topology repair yet: topology repair currently has to run before we go
RW, which means that we may schedule it unnecessarily after a
transient error. This will be fixed in the future.
- We now track, in btree node flags, the reason it was scheduled to be
rewritten. We discovered a deadlock in recovery when many btree nodes
need to be rewritten because they're degraded: fully fixing this will
take some work but it's now easier to see what's going on.
For the bug report where this came up, a device had been kicked RO due
to transient errors: manually setting it back to RW was sufficient to
allow recovery to succeed.
- Mark a few more fsck errors as autofix: as a reminder to users, please
do keep reporting cases where something needs to be repaired and is
not repaired automatically (i.e. cases where -o fix_errors or fsck -y
is required).
- rcu_pending.c now works with PREEMPT_RT
- 'bcachefs device add', then umount, then remount wasn't working - we
now emit a uevent so that the new device's new superblock is correctly
picked up
- Assorted repair fixes: btree node scan will no longer incorrectly
update sb->version_min,
- Assorted syzbot fixes
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Merge tag 'bcachefs-2025-06-12' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"As usual, highlighting the ones users have been noticing:
- Fix a small issue with has_case_insensitive not being propagated on
snapshot creation; this led to fsck errors, which we're harmless
because we're not using this flag yet (it's for overlayfs +
casefolding).
- Log the error being corrected in the journal when we're doing fsck
repair: this was one of the "lessons learned" from the i_nlink 0 ->
subvolume deletion bug, where reconstructing what had happened by
analyzing the journal was a bit more difficult than it needed to
be.
- Don't schedule btree node scan to run in the superblock: this fixes
a regression from the 6.16 recovery passes rework, and let to it
running unnecessarily.
The real issue here is that we don't have online, "self healing"
style topology repair yet: topology repair currently has to run
before we go RW, which means that we may schedule it unnecessarily
after a transient error. This will be fixed in the future.
- We now track, in btree node flags, the reason it was scheduled to
be rewritten. We discovered a deadlock in recovery when many btree
nodes need to be rewritten because they're degraded: fully fixing
this will take some work but it's now easier to see what's going
on.
For the bug report where this came up, a device had been kicked RO
due to transient errors: manually setting it back to RW was
sufficient to allow recovery to succeed.
- Mark a few more fsck errors as autofix: as a reminder to users,
please do keep reporting cases where something needs to be repaired
and is not repaired automatically (i.e. cases where -o fix_errors
or fsck -y is required).
- rcu_pending.c now works with PREEMPT_RT
- 'bcachefs device add', then umount, then remount wasn't working -
we now emit a uevent so that the new device's new superblock is
correctly picked up
- Assorted repair fixes: btree node scan will no longer incorrectly
update sb->version_min,
- Assorted syzbot fixes"
* tag 'bcachefs-2025-06-12' of git://evilpiepirate.org/bcachefs: (23 commits)
bcachefs: Don't trace should_be_locked unless changing
bcachefs: Ensure that snapshot creation propagates has_case_insensitive
bcachefs: Print devices we're mounting on multi device filesystems
bcachefs: Don't trust sb->nr_devices in members_to_text()
bcachefs: Fix version checks in validate_bset()
bcachefs: ioctl: avoid stack overflow warning
bcachefs: Don't pass trans to fsck_err() in gc_accounting_done
bcachefs: Fix leak in bch2_fs_recovery() error path
bcachefs: Fix rcu_pending for PREEMPT_RT
bcachefs: Fix downgrade_table_extra()
bcachefs: Don't put rhashtable on stack
bcachefs: Make sure opts.read_only gets propagated back to VFS
bcachefs: Fix possible console lock involved deadlock
bcachefs: mark more errors autofix
bcachefs: Don't persistently run scan_for_btree_nodes
bcachefs: Read error message now prints if self healing
bcachefs: Only run 'increase_depth' for keys from btree node csan
bcachefs: Mark need_discard_freespace_key_bad autofix
bcachefs: Update /dev/disk/by-uuid on device add
bcachefs: Add more flags to btree nodes for rewrite reason
...
Since termio interface is now obsolete, include/uapi/asm/ioctls.h
has some constant macros referring to "struct termio", this caused
build failure at userspace.
In file included from /usr/include/asm/ioctl.h:12,
from /usr/include/asm/ioctls.h:5,
from tst-ioctls.c:3:
tst-ioctls.c: In function 'get_TCGETA':
tst-ioctls.c:12:10: error: invalid application of 'sizeof' to incomplete type 'struct termio'
12 | return TCGETA;
| ^~~~~~
Even though termios.h provides "struct termio", trying to juggle definitions around to
make it compile could introduce regressions. So better to open code it.
Reported-by: Tulio Magno <tuliom@ascii.art.br>
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Closes: https://lore.kernel.org/linuxppc-dev/8734dji5wl.fsf@ascii.art.br/
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250517142237.156665-1-maddy@linux.ibm.com
Stephen Rothwell reports htmldocs warning on ublk docs:
Documentation/block/ublk.rst:414: ERROR: Unexpected indentation. [docutils]
Fix the warning by separating sublists of auto buffer registration
fallback behavior from their appropriate parent list item.
Fixes: ff20c51648 ("ublk: document auto buffer registration(UBLK_F_AUTO_BUF_REG)")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-next/20250612132638.193de386@canb.auug.org.au/
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20250613023857.15971-1-bagasdotme@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This driver uses a mixture of ways to get the size of a PTE,
tegra_smmu_set_pde() did it as sizeof(*pd) which became wrong when pd
switched to a struct tegra_pd.
Switch pd back to a u32* in tegra_smmu_set_pde() so the sizeof(*pd)
returns 4.
Fixes: 50568f87d1 ("iommu/terga: Do not use struct page as the handle for as->pd memory")
Reported-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Closes: https://lore.kernel.org/all/62e7f7fe-6200-4e4f-ad42-d58ad272baa6@tecnico.ulisboa.pt/
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Tested-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Link: https://lore.kernel.org/r/0-v1-da7b8b3d57eb+ce-iommu_terga_sizeof_jgg@nvidia.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
A user has bisected a regression which causes graphical corruptions on his
screen to commit 7627a0edef ("ata: ahci: Drop low power policy board
type").
Simply reverting commit 7627a0edef ("ata: ahci: Drop low power policy
board type") makes the graphical corruptions on his screen to go away.
(Note: there are no visible messages in dmesg that indicates a problem
with AHCI.)
The user also reports that the problem occurs regardless if there is an
HDD or an SSD connected via AHCI, so the problem is not device related.
The devices also work fine on other motherboards, so it seems specific to
the ASUSPRO-D840SA motherboard.
While enabling low power modes for AHCI is not supposed to affect
completely unrelated hardware, like a graphics card, it does however
allow the system to enter deeper PC-states, which could expose ACPI issues
that were previously not visible (because the system never entered these
lower power states before).
There are previous examples where enabling LPM exposed serious BIOS/ACPI
bugs, see e.g. commit 240630e618 ("ahci: Disable LPM on Lenovo 50 series
laptops with a too old BIOS").
Since there hasn't been any BIOS update in years for the ASUSPRO-D840SA
motherboard, disable LPM for this board, in order to avoid entering lower
PC-states, which triggers graphical corruptions.
Cc: stable@vger.kernel.org
Reported-by: Andy Yang <andyybtc79@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220111
Fixes: 7627a0edef ("ata: ahci: Drop low power policy board type")
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/r/20250612141750.2108342-2-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Similarly to 26064d3e2b ("block: fix adding folio to bio"), if
we attempt to add a folio that is larger than 4GB, we'll silently
truncate the offset and len. Widen the parameters to size_t, assert
that the length is less than 4GB and set the first page that contains
the interesting data rather than the first page of the folio.
Fixes: 26db5ee158 (block: add a bvec_set_folio helper)
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20250612144255.2850278-1-willy@infradead.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
It is possible for physically contiguous folios to have discontiguous
struct pages if SPARSEMEM is enabled and SPARSEMEM_VMEMMAP is not.
This is correctly handled by folio_page_idx(), so remove this open-coded
implementation.
Fixes: 640d1930be (block: Add bio_for_each_folio_all())
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20250612144126.2849931-1-willy@infradead.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This reverts commit 5ff79cabb2.
Although the Alienware m16 R1 AMD model supports G-Mode, it actually has
a lower power ceiling than plain "performance" profile, which results in
lower performance.
Reported-by: Cihan Ozakca <cozakca@outlook.com>
Cc: stable@vger.kernel.org # 6.15.x
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250611-m16-rev-v1-1-72d13bad03c9@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Every other s2idle cycle fails to reach hardware sleep when keyboard
wakeup is enabled. This appears to be an EC bug, but the vendor
refuses to fix it.
It was confirmed that turning off i8042 wakeup avoids ths issue
(albeit keyboard wakeup is disabled). Take the lesser of two evils
and add it to the i8042 quirk list.
Reported-by: Raoul <ein4rth@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220116
Tested-by: Raoul <ein4rth@gmail.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20250611203341.3733478-1-superm1@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Removes MSI-X from the interrupt request path, as the DMA engine used by
the SPI controller does not support MSI-X interrupts.
Signed-off-by: Thangaraj Samynathan <thangaraj.s@microchip.com>
Link: https://patch.msgid.link/20250612023059.71726-1-thangaraj.s@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The MPC8315E SoC and variants have a GPIO controller at IMMR + 0xc00.
This node was previously missing from the device tree.
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250611-mpc-gpio-v1-1-02d1f75336e2@posteo.net
VFIO EEH recovery for PCI passthrough devices fails on PowerNV and pseries
platforms due to missing host-side PE bridge reconfiguration. In the
current implementation, eeh_pe_configure() only performs RTAS or OPAL-based
bridge reconfiguration for native host devices, but skips it entirely for
PEs managed through VFIO in guest passthrough scenarios.
This leads to incomplete EEH recovery when a PCI error affects a
passthrough device assigned to a QEMU/KVM guest. Although VFIO triggers the
EEH recovery flow through VFIO_EEH_PE_ENABLE ioctl, the platform-specific
bridge reconfiguration step is silently bypassed. As a result, the PE's
config space is not fully restored, causing subsequent config space access
failures or EEH freeze-on-access errors inside the guest.
This patch fixes the issue by ensuring that eeh_pe_configure() always
invokes the platform's configure_bridge() callback (e.g.,
pseries_eeh_phb_configure_bridge) even for VFIO-managed PEs. This ensures
that RTAS or OPAL calls to reconfigure the PE bridge are correctly issued
on the host side, restoring the PE's configuration space after an EEH
event.
This fix is essential for reliable EEH recovery in QEMU/KVM guests using
VFIO PCI passthrough on PowerNV and pseries systems.
Tested with:
- QEMU/KVM guest using VFIO passthrough (IBM Power9,(lpar)Power11 host)
- Injected EEH errors with pseries EEH errinjct tool on host, recovery
verified on qemu guest.
- Verified successful config space access and CAP_EXP DevCtl restoration
after recovery
Fixes: 212d16cdca ("powerpc/eeh: EEH support for VFIO PCI device")
Signed-off-by: Narayana Murty N <nnmlinux@linux.ibm.com>
Reviewed-by: Vaibhav Jain <vaibhav@linux.ibm.com>
Reviewed-by: Ganesh Goudar <ganeshgr@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250508062928.146043-1-nnmlinux@linux.ibm.com
Building vdso32 on power10 with pcrel leads to following errors:
VDSO32A arch/powerpc/kernel/vdso/gettimeofday-32.o
arch/powerpc/kernel/vdso/gettimeofday.S: Assembler messages:
arch/powerpc/kernel/vdso/gettimeofday.S:40: Error: syntax error; found `@', expected `,'
arch/powerpc/kernel/vdso/gettimeofday.S:71: Info: macro invoked from here
arch/powerpc/kernel/vdso/gettimeofday.S:40: Error: junk at end of line: `@notoc'
arch/powerpc/kernel/vdso/gettimeofday.S:71: Info: macro invoked from here
...
make[2]: *** [arch/powerpc/kernel/vdso/Makefile:85: arch/powerpc/kernel/vdso/gettimeofday-32.o] Error 1
make[1]: *** [arch/powerpc/Makefile:388: vdso_prepare] Error 2
Once the above is fixed, the following happens:
VDSO32C arch/powerpc/kernel/vdso/vgettimeofday-32.o
cc1: error: '-mpcrel' requires '-mcmodel=medium'
make[2]: *** [arch/powerpc/kernel/vdso/Makefile:89: arch/powerpc/kernel/vdso/vgettimeofday-32.o] Error 1
make[1]: *** [arch/powerpc/Makefile:388: vdso_prepare] Error 2
make: *** [Makefile:251: __sub-make] Error 2
Make sure pcrel version of CFUNC() macro is used only for powerpc64
builds and remove -mpcrel for powerpc32 builds.
Fixes: 7e3a68be42 ("powerpc/64: vmlinux support building with PCREL addresing")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/1fa3453f07d42a50a70114da9905bf7b73304fca.1747073669.git.christophe.leroy@csgroup.eu
Nested file systems, that is those which invoke call_mmap() within their
own f_op->mmap() handlers, may encounter underlying file systems which
provide the f_op->mmap_prepare() hook introduced by commit c84bf6dd2b
("mm: introduce new .mmap_prepare() file callback").
We have a chicken-and-egg scenario here - until all file systems are
converted to using .mmap_prepare(), we cannot convert these nested
handlers, as we can't call f_op->mmap from an .mmap_prepare() hook.
So we have to do it the other way round - invoke the .mmap_prepare() hook
from an .mmap() one.
in order to do so, we need to convert VMA state into a struct vm_area_desc
descriptor, invoking the underlying file system's f_op->mmap_prepare()
callback passing a pointer to this, and then setting VMA state accordingly
and safely.
This patch achieves this via the compat_vma_mmap_prepare() function, which
we invoke from call_mmap() if f_op->mmap_prepare() is specified in the
passed in file pointer.
We place the fundamental logic into mm/vma.h where VMA manipulation
belongs. We also update the VMA userland tests to accommodate the
changes.
The compat_vma_mmap_prepare() function and its associated machinery is
temporary, and will be removed once the conversion of file systems is
complete.
We carefully place this code so it can be used with CONFIG_MMU and also
with cutting edge nommu silicon.
[akpm@linux-foundation.org: export compat_vma_mmap_prepare tp fix build]
[lorenzo.stoakes@oracle.com: remove unused declarations]
Link: https://lkml.kernel.org/r/ac3ae324-4c65-432a-8c6d-2af988b18ac8@lucifer.local
Link: https://lkml.kernel.org/r/20250609165749.344976-1-lorenzo.stoakes@oracle.com
Fixes: c84bf6dd2b ("mm: introduce new .mmap_prepare() file callback").
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reported-by: Jann Horn <jannh@google.com>
Closes: https://lore.kernel.org/linux-mm/CAG48ez04yOEVx1ekzOChARDDBZzAKwet8PEoPM4Ln3_rk91AzQ@mail.gmail.com/
Reviewed-by: Pedro Falcato <pfalcato@suse.de>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jann Horn <jannh@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
