Refactor to directly use enum usb_phy_interface to determine the PHY mode.
This change is in preparation for adding support for HSIC mode.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://patch.msgid.link/20260122151125.7367-2-clamor95@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The port driver sets this bit for an alternate mode description to indicate
support for the mode selection feature. Once set, individual Alt Mode
drivers will no longer attempt to activate their respective modes within
their probe functions. This prevents race conditions and non-prioritized
activation.
The bit is not set by default. If left unset, the system retains the
current behavior where Alt Mode drivers manage their own activation logic.
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://patch.msgid.link/20260119131824.2529334-6-akuchynski@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The mode selection process is controlled by the following API functions,
which allow to initiate and complete mode entry based on the priority of
each mode:
`typec_mode_selection_start` function compiles a priority list of supported
Alternate Modes.
`typec_altmode_state_update` function is invoked by the port driver to
communicate the current mode of the Type-C connector.
`typec_mode_selection_delete` function stops the currently running mode
selection process and releases all associated system resources.
`mode_selection_work_fn` task attempts to activate modes. The process stops
on success; otherwise, it proceeds to the next mode after a timeout or
error.
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://patch.msgid.link/20260119131824.2529334-5-akuchynski@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch introduces a priority sysfs attribute to the USB Type-C
alternate mode port interface. This new attribute allows user-space to
configure the numeric priority of alternate modes managing their preferred
order of operation. If a new priority value conflicts with an existing
mode's priority, the priorities of the conflicting mode and all subsequent
modes are automatically incremented to ensure uniqueness.
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://patch.msgid.link/20260119131824.2529334-4-akuchynski@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This new field in the port properties dictates whether the Platform Policy
Manager (PPM) allows the OS Policy Manager (OPM) to change the currently
active, negotiated alternate mode.
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://patch.msgid.link/20260119131824.2529334-2-akuchynski@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Fix an inconsistency in structure size on 32-bit platforms caused by padding
differences for the new EXT4_IOC_[GS]ET_TUNE_SB_PARAM ioctls
* Fix a buffer leak on the error path when dropping the refcount an xattr
value stored in an inode
* Fix missing locking on the error path for the file defragmentation ioctl
leading to a BUG
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Merge tag 'ext4_for_linus-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
- Fix an inconsistency in structure size on 32-bit platforms caused by
padding differences for the new EXT4_IOC_[GS]ET_TUNE_SB_PARAM ioctls
- Fix a buffer leak on the error path when dropping the refcount an
xattr value stored in an inode
- Fix missing locking on the error path for the file defragmentation
ioctl leading to a BUG
* tag 'ext4_for_linus-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref
ext4: add missing down_write_data_sem in mext_move_extent().
ext4: fix ext4_tune_sb_params padding
Here are some small USB fixes and new device ids for 6.19-rc6
Included in here are:
- new usb-serial device ids
- dwc3-apple driver fixes to get things working properly on that
hardware platform
- ohci/uhci platfrom driver module soft-deps with ehci to remove a
runtime warning that sometimes shows up on some platforms.
- quirk for broken devices that can not handle reading the BOS
descriptor from them without going crazy.
- usb-serial driver fixes
- xhci driver fixes
- usb gadget driver fixes
All of these except for the last xhci fix has been in linux-next for a
while. The xhci fix has been reported by others to solve the issue for
them, so should be ok.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes and new device ids for 6.19-rc6
Included in here are:
- new usb-serial device ids
- dwc3-apple driver fixes to get things working properly on that
hardware platform
- ohci/uhci platfrom driver module soft-deps with ehci to remove a
runtime warning that sometimes shows up on some platforms.
- quirk for broken devices that can not handle reading the BOS
descriptor from them without going crazy.
- usb-serial driver fixes
- xhci driver fixes
- usb gadget driver fixes
All of these except for the last xhci fix has been in linux-next for a
while. The xhci fix has been reported by others to solve the issue for
them, so should be ok"
* tag 'usb-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: sideband: don't dereference freed ring when removing sideband endpoint
usb: gadget: uvc: retry vb2_reqbufs() with vb_vmalloc_memops if use_sg fail
usb: gadget: uvc: return error from uvcg_queue_init()
usb: gadget: uvc: fix interval_duration calculation
usb: gadget: uvc: fix req_payload_size calculation
usb: dwc3: apple: Ignore USB role switches to the active role
usb: host: xhci-tegra: Use platform_get_irq_optional() for wake IRQs
USB: OHCI/UHCI: Add soft dependencies on ehci_platform
usb: dwc3: apple: Set USB2 PHY mode before dwc3 init
USB: serial: f81232: fix incomplete serial port generation
USB: serial: ftdi_sio: add support for PICAXE AXE027 cable
USB: serial: option: add Telit LE910 MBIM composition
usb: core: add USB_QUIRK_NO_BOS for devices that hang on BOS descriptor
dt-bindings: usb: qcom,dwc3: Correct MSM8994 interrupts
dt-bindings: usb: qcom,dwc3: Correct IPQ5018 interrupts
tcpm: allow looking for role_sw device in the main node
usb: dwc3: Check for USB4 IP_NAME
discovered and fixed recently:
- Fix a race condition in the DL server
- Fix a DL server bug which can result in incorrectly going
idle when there's work available
- Fix DL server bug which triggers a WARN() due to broken
get_prio_dl() logic and subsequent misbehavior
- Fix double update_rq_clock() calls
- Fix setscheduler() assumption about static priorities
- Make sure balancing callbacks are always called
- Plus a handful of preparatory commits for the fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc deadline scheduler fixes, mainly for a new category of bugs that
were discovered and fixed recently:
- Fix a race condition in the DL server
- Fix a DL server bug which can result in incorrectly going idle when
there's work available
- Fix DL server bug which triggers a WARN() due to broken
get_prio_dl() logic and subsequent misbehavior
- Fix double update_rq_clock() calls
- Fix setscheduler() assumption about static priorities
- Make sure balancing callbacks are always called
- Plus a handful of preparatory commits for the fixes"
* tag 'sched-urgent-2026-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Use ENQUEUE_MOVE to allow priority change
sched: Deadline has dynamic priority
sched: Audit MOVE vs balance_callbacks
sched: Fold rq-pin swizzle into __balance_callbacks()
sched/deadline: Avoid double update_rq_clock()
sched/deadline: Ensure get_prio_dl() is up-to-date
sched/deadline: Fix server stopping with runnable tasks
sched: Provide idle_rq() helper
sched/deadline: Fix potential race in dl_add_task_root_domain()
sched/deadline: Remove unnecessary comment in dl_add_task_root_domain()
The padding at the end of struct ext4_tune_sb_params is architecture
specific and in particular is different between x86-32 and x86-64,
since the __u64 member only enforces struct alignment on the latter.
This shows up as a new warning when test-building the headers with
-Wpadded:
include/linux/ext4.h:144:1: error: padding struct size to alignment boundary with 4 bytes [-Werror=padded]
All members inside the structure are naturally aligned, so the only
difference here is the amount of padding at the end. Make the padding
explicit, to have a consistent sizeof(struct ext4_tune_sb_params) of
232 on all architectures and avoid adding compat ioctl handling for
EXT4_IOC_GET_TUNE_SB_PARAM/EXT4_IOC_SET_TUNE_SB_PARAM.
This is an ABI break on x86-32 but hopefully this can go into 6.18.y early
enough as a fixup so no actual users will be affected. Alternatively, the
kernel could handle the ioctl commands for both sizes (232 and 228 bytes)
on all architectures.
Fixes: 04a91570ac ("ext4: implemet new ioctls to set and get superblock parameters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20251204101914.1037148-1-arnd@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Core Changes:
- take gem lock when preallocating in gpuvm.
- add single byte read fallback to dp for broken usb-c adapters
- remove duplicate drm_sysfb declarations
Driver Changes:
- i915: compiler noise fix
- amdgpu/amdkfd: pile of fixes all over
- vmwgfx: v10 cursor regression fix, other fixes
- rockchip: waiting for cfgdone regression fix, other fixes
- gud: fix oops on disconnect
- simple-panel: regression fix when connector is not set, fix for
DataImage SCF0700C48GGU18
- nouveau: cursor handling locking fix
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Merge tag 'drm-fixes-2026-01-16' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Simona Vetter:
"We've had nothing aside of a compiler noise fix until today, when the
amd and drm-misc fixes showed up after Dave already went into weekend
mode. So it's on me to push these out, since there's a bunch of
important fixes in here I think that shouldn't be delayed for a week.
Core Changes:
- take gem lock when preallocating in gpuvm
- add single byte read fallback to dp for broken usb-c adapters
- remove duplicate drm_sysfb declarations
Driver Changes:
- i915: compiler noise fix
- amdgpu/amdkfd: pile of fixes all over
- vmwgfx:
- v10 cursor regression fix
- other fixes
- rockchip:
- waiting for cfgdone regression fix
- other fixes
- gud: fix oops on disconnect
- simple-panel:
- regression fix when connector is not set
- fix for DataImage SCF0700C48GGU18
- nouveau: cursor handling locking fix"
* tag 'drm-fixes-2026-01-16' of https://gitlab.freedesktop.org/drm/kernel: (33 commits)
drm/amd/display: Add an hdmi_hpd_debounce_delay_ms module
drm/amdgpu/userq: Fix fence reference leak on queue teardown v2
drm/amdkfd: No need to suspend whole MES to evict process
Revert "drm/amdgpu: don't attach the tlb fence for SI"
drm/amdgpu: validate the flush_gpu_tlb_pasid()
drm/amd/pm: fix smu overdrive data type wrong issue on smu 14.0.2
drm/amd/display: Initialise backlight level values from hw
drm/amd/display: Bump the HDMI clock to 340MHz
drm/amd/display: Show link name in PSR status message
drm/amdkfd: fix a memory leak in device_queue_manager_init()
drm/amdgpu: make sure userqs are enabled in userq IOCTLs
drm/amdgpu: Use correct address to setup gart page table for vram access
Revert duplicate "drm/amdgpu: disable peer-to-peer access for DCC-enabled GC12 VRAM surfaces"
drm/amd: Clean up kfd node on surprise disconnect
drm/amdgpu: fix drm panic null pointer when driver not support atomic
drm/amdgpu: Fix gfx9 update PTE mtype flag
drm/sysfb: Remove duplicate declarations
drm/nouveau/kms/nv50-: Assert we hold nv50_disp->lock in nv50_head_flush_*
drm/nouveau/disp/nv50-: Set lock_core in curs507a_prepare
drm/gud: fix NULL fb and crtc dereferences on USB disconnect
...
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Merge tag 'pci-v6.19-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fix from Bjorn Helgaas:
- Add a pci_free_irq_vectors() stub to fix a build issue when
CONFIG_PCI is not set (Boqun Feng)
* tag 'pci-v6.19-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Provide pci_free_irq_vectors() stub
- Fix a memory leak in em_create_pd() error path (Malaya Kumar Rout)
- Fix stale description of the cost field in struct em_perf_state to
reflect the current code (Yaxiong Tian)
- Fix and revamp the energy model YNL specification added recently
along with the energy model netlink interface (Changwoo Min)
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Merge tag 'pm-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix an error path memory leak in the energy model management
code, fix a kerneldoc comment in it, and fix and revamp the energy
model YNL specification added recently along with the new energy model
management netlink interface (that received feedback after being
added):
- Fix a memory leak in em_create_pd() error path (Malaya Kumar Rout)
- Fix stale description of the cost field in struct em_perf_state to
reflect the current code (Yaxiong Tian)
- Fix and revamp the energy model YNL specification added recently
along with the energy model netlink interface (Changwoo Min)"
* tag 'pm-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: EM: Add dump to get-perf-domains in the EM YNL spec
PM: EM: Change cpus' type from string to u64 array in the EM YNL spec
PM: EM: Rename em.yaml to dev-energymodel.yaml
PM: EM: Fix yamllint warnings in the EM YNL spec
PM: EM: Fix memory leak in em_create_pd() error path
PM: EM: Fix incorrect description of the cost field in struct em_perf_state
vmwgfx:
- Fix hw regression from refactoring cursor handling on v10 'hardware'
- Fix warnings in destructor by merging the 2 release functions
- kernel doc fix
- error handling in vmw_compat_shader_add()
rockchip:
- fix vop2 polling
- fix regression waiting for cfgdone without config change
- fix warning when enabling encoder
core:
- take gem lock when preallocating in gpuvm.
- add single byte read fallback to dp for broken usb-c adapters
- remove duplicate drm_sysfb declarations
gud:
- Fix oops on usb disconnect
Simple panel:
- Re-add fallback when connector is not set to fix regressions
- Set correct type in DataImage SCF0700C48GGU18
nouveau:
- locking fixes for cursor handling.
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Merge tag 'drm-misc-fixes-2026-01-16' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.19-rc6:
vmwgfx:
- Fix hw regression from refactoring cursor handling on v10 'hardware'
- Fix warnings in destructor by merging the 2 release functions
- kernel doc fix
- error handling in vmw_compat_shader_add()
rockchip:
- fix vop2 polling
- fix regression waiting for cfgdone without config change
- fix warning when enabling encoder
core:
- take gem lock when preallocating in gpuvm.
- add single byte read fallback to dp for broken usb-c adapters
- remove duplicate drm_sysfb declarations
gud:
- Fix oops on usb disconnect
Simple panel:
- Re-add fallback when connector is not set to fix regressions
- Set correct type in DataImage SCF0700C48GGU18
nouveau:
- locking fixes for cursor handling.
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/ce0acfe2-9c1a-42b7-8782-f1e7f34b8544@linux.intel.com
This PR became a bit larger than wished, often seen as a bump at the
middle, but almost all changes are small device-specific fixes, so the
risk must be pretty low.
- SoundWire fix for missing symbol export
- Fixes for device-tree bindings
- A fix for OOB access in USB-audio, spotted by fuzzer
- Quirks for HD-audio, SoundWire, AMD ACP
- A series of ASoC tlv320 and wsa codec fixes
- Other misc fixes in PCM OSS error-handling, Cirrus scodec test,
ASoC ops endianess, davinci, simple-card, and tegra.
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Merge tag 'sound-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This became a bit larger than wished for, often seen as a bump at the
middle, but almost all changes are small device-specific fixes, so the
risk must be pretty low.
- SoundWire fix for missing symbol export
- Fixes for device-tree bindings
- A fix for OOB access in USB-audio, spotted by fuzzer
- Quirks for HD-audio, SoundWire, AMD ACP
- A series of ASoC tlv320 and wsa codec fixes
- Other misc fixes in PCM OSS error-handling, Cirrus scodec test,
ASoC ops endianess, davinci, simple-card, and tegra"
* tag 'sound-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (33 commits)
ALSA: hda/tas2781: Add newly-released HP laptop
ASoC: rt5640: Fix duplicate clock properties in DT binding
ALSA: hda/realtek: Add quirk for HP Pavilion x360 to enable mute LED
ASoC: tlv320adcx140: fix word length
ASoC: tlv320adcx140: Propagate error codes during probe
ASoC: tlv320adcx140: fix null pointer
ASoC: tlv320adcx140: invert DRE_ENABLE
ASoC: sdw_utils: cs42l43: Enable Headphone pin for LINEOUT jack type
ASoC: sdw_utils: Call init callbacks on the correct codec DAI
soundwire: Add missing EXPORT for sdw_slave_type
ALSA: usb-audio: Prevent excessive number of frames
ALSA: hda/cirrus_scodec_test: Fix test suite name
ALSA: hda/cirrus_scodec_test: Fix incorrect setup of gpiochip
ALSA: hda/realtek: Add quirk for Asus Zephyrus G14 2025 using CS35L56, fix speakers
ASoC: amd: yc: Fix microphone on ASUS M6500RE
ASoC: tegra: Revert fix for uninitialized flat cache warning in tegra210_ahub
ASoC: dt-bindings: rockchip-spdif: Allow "port" node
ASoC: dt-bindings: realtek,rt5640: Allow 7 for realtek,jack-detect-source
ASoC: dt-bindings: realtek,rt5640: Add missing properties/node
ASoC: dt-bindings: realtek,rt5640: Document port node
...
Merge fixes related to the energy model management for 6.19-rc6:
- Fix a memory leak in em_create_pd() error path (Malaya Kumar Rout)
- Fix stale description of the cost field in struct em_perf_state to
reflect the current code (Yaxiong Tian)
- Fix and revamp the energy model YNL specification added recently
along with the energy model netlink interface (Changwoo Min)
* pm-em:
PM: EM: Add dump to get-perf-domains in the EM YNL spec
PM: EM: Change cpus' type from string to u64 array in the EM YNL spec
PM: EM: Rename em.yaml to dev-energymodel.yaml
PM: EM: Fix yamllint warnings in the EM YNL spec
PM: EM: Fix memory leak in em_create_pd() error path
PM: EM: Fix incorrect description of the cost field in struct em_perf_state
Bugfixes:
- NFS: Fix another deadlock involving nfs_release_folio()
- NFS/localio: Stop I/O upon hitting a fatal error
- NFS/localio: Deal with page offsets that are > PAGE_SIZE
- NFS: Fix size read races in truncate, fallocate and copy offload
- NFSv4.x: Several bugfixes for the directory delegation client code
- pNFS: Fix a pNFS-related deadlock when returning delegations during open
- pNFS: Fix memory leaks in various error paths
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Merge tag 'nfs-for-6.19-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
- Fix another deadlock involving nfs_release_folio()
- localio:
- Stop I/O upon hitting a fatal error
- Deal with page offsets that are > PAGE_SIZE
- Fix size read races in truncate, fallocate and copy offload
- Several bugfixes for the NFSv4.x directory delegation client code
- pNFS:
- Fix a deadlock when returning delegations during open
- Fix memory leaks in various error paths
* tag 'nfs-for-6.19-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix size read races in truncate, fallocate and copy offload
NFS: Don't immediately return directory delegations when disabled
NFS/localio: Deal with page bases that are > PAGE_SIZE
NFS/localio: Stop further I/O upon hitting an error
NFSv4.x: Directory delegations don't require any state recovery
NFSv4: Don't free slots prematurely if requesting a directory delegation
NFSv4: Fix nfs_clear_verifier_delegated() for delegated directories
NFS: Fix directory delegation verifier checks
pnfs/blocklayout: Fix memory leak in bl_parse_scsi()
pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node()
NFS: Fix a deadlock involving nfs_release_folio()
pNFS: Fix a deadlock when returning a delegation during open()
- four kerneldoc fixes from Bagas Sanjaya
- four DAMON fixes from SeongJae
- four mremap VMA-related fixes from Lorenzo
- various singletons - please see the changelogs for details
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Merge tag 'mm-hotfixes-stable-2026-01-15-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
- kerneldoc fixes from Bagas Sanjaya
- DAMON fixes from SeongJae
- mremap VMA-related fixes from Lorenzo
- various singletons - please see the changelogs for details
* tag 'mm-hotfixes-stable-2026-01-15-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (30 commits)
drivers/dax: add some missing kerneldoc comment fields for struct dev_dax
mm: numa,memblock: include <asm/numa.h> for 'numa_nodes_parsed'
mailmap: add entry for Daniel Thompson
tools/testing/selftests: fix gup_longterm for unknown fs
mm/page_alloc: prevent pcp corruption with SMP=n
iommu/sva: include mmu_notifier.h header
mm: kmsan: fix poisoning of high-order non-compound pages
tools/testing/selftests: add forked (un)/faulted VMA merge tests
mm/vma: enforce VMA fork limit on unfaulted,faulted mremap merge too
tools/testing/selftests: add tests for !tgt, src mremap() merges
mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
mm/zswap: fix error pointer free in zswap_cpu_comp_prepare()
mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure
mm/damon/sysfs-scheme: cleanup quotas subdirs on scheme dir setup failure
mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure
mm/damon/sysfs: cleanup intervals subdirs on attrs dir setup failure
mm/damon/core: remove call_control in inactive contexts
powerpc/watchdog: add support for hardlockup_sys_info sysctl
mips: fix HIGHMEM initialization
mm/hugetlb: ignore hugepage kernel args if hugepages are unsupported
...
A moderately large collection of fixes since I missed a week, plus a few
new device IDs and quirks. It's all fairly minor, including a bunch of
work on the device tree bindings fixes which have no runtime effect.
There's one SoundWire change here exporting a symbol which was required
for a fix to the ASoC SoundWire code.
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Merge tag 'asoc-fix-v6.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.19
A moderately large collection of fixes since I missed a week, plus a few
new device IDs and quirks. It's all fairly minor, including a bunch of
work on the device tree bindings fixes which have no runtime effect.
There's one SoundWire change here exporting a symbol which was required
for a fix to the ASoC SoundWire code.
Commit 1a620a7238 ("can: raw: instantly reject unsupported CAN frames")
caused a sequence of dependency and linker fixes.
Instead of accessing CAN device internal data structures which caused the
dependency problems this patch introduces capability information into the
CAN specific ml_priv data which is accessible from both sides.
With this change the CAN network layer can check the required features and
the decoupling of the driver layer and network layer is restored.
Fixes: 1a620a7238 ("can: raw: instantly reject unsupported CAN frames")
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://patch.msgid.link/20260109144135.8495-3-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This reverts commit 1a620a7238
and its follow-up fixes for the introduced dependency issues.
commit 1a620a7238 ("can: raw: instantly reject unsupported CAN frames")
commit cb2dc6d286 ("can: Kconfig: select CAN driver infrastructure by default")
commit 6abd4577bc ("can: fix build dependency")
commit 5a5aff6338 ("can: fix build dependency")
The entire problem was caused by the requirement that a new network layer
feature needed to know about the protocol capabilities of the CAN devices.
Instead of accessing CAN device internal data structures which caused the
dependency problems a better approach has been developed which makes use of
CAN specific ml_priv data which is accessible from both sides.
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://patch.msgid.link/20260109144135.8495-2-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Commit a9af76a787 ("watchdog: add sys_info sysctls to dump sys info on
system lockup") adds 'hardlock_sys_info' systcl knob for general kernel
watchdog to control what kinds of system debug info to be dumped on
hardlockup.
Add similar support in powerpc watchdog code to make the sysctl knob more
general, which also fixes a compiling warning in general watchdog code
reported by 0day bot.
Link: https://lkml.kernel.org/r/20251231080309.39642-1-feng.tang@linux.alibaba.com
Fixes: a9af76a787 ("watchdog: add sys_info sysctls to dump sys info on system lockup")
Signed-off-by: Feng Tang <feng.tang@linux.alibaba.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202512030920.NFKtekA7-lkp@intel.com/
Suggested-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Sphinx reports kernel-doc warning:
WARNING: ./include/linux/kfence.h:220 function parameter 'slab' not described in '__kfence_obj_info'
Fix it by describing @slab parameter.
Link: https://lkml.kernel.org/r/20251219014006.16328-6-bagasdotme@gmail.com
Fixes: 2dfe63e61c ("mm, kfence: support kmem_dump_obj() for KFENCE objects")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Marco Elver <elver@google.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Acked-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Sphinx reports kernel-doc warning:
WARNING: ./include/linux/textsearch.h:49 struct member 'list' not described in 'ts_ops'
Describe @list member to fix it.
Link: https://lkml.kernel.org/r/20251219014006.16328-4-bagasdotme@gmail.com
Fixes: 2de4ff7bd6 ("[LIB]: Textsearch infrastructure.")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Thomas Graf <tgraf@suug.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "mm kernel-doc fixes".
Here are kernel-doc fixes for mm subsystem. I'm also including textsearch
fix since there's currently no maintainer for include/linux/textsearch.h
(get_maintainer.pl only shows LKML).
This patch (of 4):
Sphinx reports kernel-doc warning:
WARNING: ./include/linux/sched/mm.h:332 function parameter 'flags' not described in 'memalloc_flags_save'
Describe @flags to fix it.
Link: https://lkml.kernel.org/r/20251219014006.16328-2-bagasdotme@gmail.com
Link: https://lkml.kernel.org/r/20251219014006.16328-3-bagasdotme@gmail.com
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Fixes: 3f6d5e6a46 ("mm: introduce memalloc_flags_{save,restore}")
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Acked-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
only one core change (and one in doc only) the rest are drivers. The
one core fix is for some inline encrypting drives that can't handle
encryption requests on non-data commands (like error handling ones);
it saves the request level encryption parameters in the eh_save
structure so they can be cleared for error handling and restored after
it is completed.
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:
"Only one core change (and one in doc only) the rest are drivers.
The one core fix is for some inline encrypting drives that can't
handle encryption requests on non-data commands (like error handling
ones); it saves the request level encryption parameters in the eh_save
structure so they can be cleared for error handling and restored after
it is completed"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: host: mediatek: Make read-only array scale_us static const
scsi: bfa: Update outdated comment
scsi: mpt3sas: Update maintainer list
scsi: ufs: core: Configure MCQ after link startup
scsi: core: Fix error handler encryption support
scsi: core: Correct documentation for scsi_test_unit_ready()
scsi: ufs: dt-bindings: Fix several grammar errors
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Merge tag 'media/v6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- ov02c10: some fixes related to preserving bayer pattern and
horizontal control
- ipu-bridge: Add quirks for some Dell XPS laptops with inverted
sensors
- mali-c55: Fix version identifier logic
- rzg2l-cru: csi-2: fix RZ/V2H input sizes on some variants
* tag 'media/v6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: ov02c10: Remove unnecessary hflip and vflip pointers
media: ipu-bridge: Add DMI quirk for Dell XPS laptops with upside down sensors
media: ov02c10: Fix the horizontal flip control
media: ov02c10: Adjust x-win/y-win when changing flipping to preserve bayer-pattern
media: ov02c10: Fix bayer-pattern change after default vflip change
media: rzg2l-cru: csi-2: Support RZ/V2H input sizes
media: uapi: mali-c55-config: Remove version identifier
media: mali-c55: Remove duplicated version check
media: Documentation: mali-c55: Use v4l2-isp version identifier
It turns out that warning about which USB host controller is loaded
before another one doesn't really matter. All that really is needed is
the PCI softdep module loading logic, which has been present in the
kernel ever since commit 05c92da0c5 ("usb: ohci/uhci - add soft
dependencies on ehci_pci")
So remove the warning messages, they are not useful, not needed, and
only confuse people. As can be seen in the discussion at
https://lore.kernel.org/r/20251230080014.3934590-1-chenhuacai@loongson.cn
Cc: Huacai Chen <chenhuacai@loongson.cn>
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://patch.msgid.link/2026010739-diffuser-shelter-e31c@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'hyperv-fixes-signed-20260112' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- Minor fixes and cleanups for the MSHV driver
* tag 'hyperv-fixes-signed-20260112' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
mshv: release mutex on region invalidation failure
hyperv: Avoid -Wflex-array-member-not-at-end warning
mshv: hide x86-specific functions on arm64
mshv: Initialize local variables early upon region invalidation
mshv: Use PMD_ORDER instead of HPAGE_PMD_ORDER when processing regions
A fix for the dl_server 'requires' idle_cpu() usage, which made me
note that it and available_idle_cpu() are extern function calls.
And while idle_cpu() is used outside of kernel/sched/,
available_idle_cpu() is not.
This makes it hard to make idle_cpu() an inline helper, so provide
idle_rq() and implement idle_cpu() and available_idle_cpu() using
that.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
In blamed commit, I added a check against the temporary queue
built in __dev_xmit_skb(). Idea was to drop packets early,
before any spinlock was acquired.
if (unlikely(defer_count > READ_ONCE(q->limit))) {
kfree_skb_reason(skb, SKB_DROP_REASON_QDISC_DROP);
return NET_XMIT_DROP;
}
It turned out that HTB Qdisc has a zero q->limit.
HTB limits packets on a per-class basis.
Some of our tests became flaky.
Add a new sysctl : net.core.qdisc_max_burst to control
how many packets can be stored in the temporary lockless queue.
Also add a new QDISC_BURST_DROP drop reason to better diagnose
future issues.
Thanks Neal !
Fixes: 100dfa74ca ("net: dev_queue_xmit() llist adoption")
Reported-and-bisected-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20260107104159.3669285-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Move the description of the LANDLOCK_ACCESS_FS_IOCTL_DEV access right
together with the file access rights.
This group of access rights applies to files (in this case device
files), and they can be added to file or directory inodes using
landlock_add_rule(2). The check for that works the same for all file
access rights, including LANDLOCK_ACCESS_FS_IOCTL_DEV.
Invoking ioctl(2) on directory FDs can not currently be restricted
with Landlock. Having it grouped separately in the documentation is a
remnant from earlier revisions of the LANDLOCK_ACCESS_FS_IOCTL_DEV
patch set.
Link: https://lore.kernel.org/all/20260108.Thaex5ruach2@digikod.net/
Signed-off-by: Günther Noack <gnoack3000@gmail.com>
Link: https://lore.kernel.org/r/20260111175203.6545-2-gnoack3000@gmail.com
Signed-off-by: Mickaël Salaün <mic@digikod.net>
In a vain attempt to consolidate the email zoo switch everything to the
kernel.org account.
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add dump to get-perf-domains, so that a user can fetch either information
about a specific performance domain with do or information about all
performance domains with dump. Share the reply format of do and dump using
perf-domain-attrs, so remove perf-domains. The YNL spec, autogenerated
files, and the do implementation are updated, and the dump implementation
is added.
Suggested-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Changwoo Min <changwoo@igalia.com>
Link: https://patch.msgid.link/20260108053212.642478-5-changwoo@igalia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The EM YNL specification used many acronyms, including ‘em’, ‘pd’,
‘ps’, etc. While the acronyms are short and convenient, they could be
confusing. So, let’s spell them out to be more specific. The following
changes were made in the spec. Note that the protocol name cannot exceed
GENL_NAMSIZ (16).
em -> dev-energymodel
pds -> perf-domains
pd -> perf-domain
pd-id -> perf-domain-id
pd-table -> perf-table
ps -> perf-state
get-pds -> get-perf-domains
get-pd-table -> get-perf-table
pd-created -> perf-domain-created
pd-updated -> perf-domain-updated
pd-deleted -> perf-domain-deleted
In addition. doc strings were added to the spec. based on the comments in
energy_model.h. Two flag attributes (perf-state-flags and
perf-domain-flags) were added for easily interpreting the bit flags.
Finally, the autogenerated files and em_netlink.c were updated accordingly
to reflect the name changes.
Suggested-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Changwoo Min <changwoo@igalia.com>
Link: https://patch.msgid.link/20260108053212.642478-3-changwoo@igalia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some USB-C hubs and adapters have buggy firmware where multi-byte AUX
reads consistently timeout, while single-byte reads from the same address
work correctly.
Known affected devices that exhibit this issue:
- Lenovo USB-C to VGA adapter (VIA VL817 chipset)
idVendor=17ef, idProduct=7217
- Dell DA310 USB-C mobile adapter hub
idVendor=413c, idProduct=c010
Analysis of the failure pattern shows:
- Single-byte probes to 0xf0000 (LTTPR) succeed
- Single-byte probes to 0x00102 (TRAINING_AUX_RD_INTERVAL) succeed
- Multi-byte reads from 0x00000 (DPCD capabilities) timeout with -ETIMEDOUT
- Retrying does not help - the failure is consistent across all attempts
The issue appears to be a firmware bug in the AUX transaction handling
that specifically affects multi-byte reads.
Add a fallback mechanism in drm_dp_dpcd_read_data() that attempts
byte-by-byte reading when the normal multi-byte read fails. This
workaround only activates for adapters that fail the standard read path,
ensuring no impact on correctly functioning hardware.
Tested with:
- Lenovo USB-C to VGA adapter (VIA VL817) - now works with fallback
- Dell DA310 USB-C hub - now works with fallback
- Dell/Analogix Slimport adapter - continues to work with normal path
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20251204024647.1462866-1-acelan.kao@canonical.com
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Fix the ACPI/PCI legacy interrupts (INTx) parsing in the cases when
the ACPI Global System Interrupt (GSI) value is a 32-bit one with
the MSB set that is interpreted as a negative integer and causes
acpi_pci_link_allocate_irq() to fail and acpi_irq_get_penalty() to
trigger an out-of-bounds array dereference (Lorenzo Pieralisi)
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Merge tag 'acpi-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fix from Rafael Wysocki:
"This fixes the ACPI/PCI legacy interrupts (INTx) parsing in the case
when the ACPI Global System Interrupt (GSI) value is a 32-bit one with
the MSB set.
That was interpreted as a negative integer and caused
acpi_pci_link_allocate_irq() to fail and acpi_irq_get_penalty() to
trigger an out-of-bounds array dereference (Lorenzo Pieralisi)"
* tag 'acpi-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PCI: IRQ: Fix INTx GSIs signedness
MAINTAINERS:
- Fix Nova GPU driver git links.
- Fix typo in TYR driver entry preventing correct behavior of
scripts/get_maintainer.pl.
- Exclude TYR driver from DRM MISC.
nova-core:
- Correctly select RUST_FW_LOADER_ABSTRACTIONS to prevent build
errors.
- Regenerate nova-core bindgen bindings with '--explicit-padding' to
avoid uninitialized bytes.
- Fix length of received GSP messages, due to miscalculated message
payload size.
- Regenerate bindings to derive MaybeZeroable.
- Use a bindings alias to derive the firmware version.
exynos:
- hdmi: replace system_wq with system_percpu_wq
pl111:
- Fix error handling in probe
mediatek/atomic/tidss:
- Fix tidss in another way and revert reordering of pre-enable and post-disable operations,
as it breaks other bridge drivers.
nouveau:
- Fix regression from fwsec s/r fix.
pci/vga:
- Fix multiple gpu's being reported a 'boot_display'
fb-helper:
- Fix vblank timeout during suspend/reset
amdgpu:
- Clang fixes
- Navi1x PCIe DPM fixes
- Ring reset fixes
- ISP suspend fix
- Analog DC fixes
- VPE fixes
- Mode1 reset fix
radeon:
- Variable sized array fix
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Merge tag 'drm-fixes-2026-01-09' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"I missed the drm-rust fixes tree for last week, so this catches up on
that, along with amdgpu, and then some misc fixes across a few
drivers. I hadn't got an xe pull by the time I sent this, I suspect
one will arrive 10 mins after, but I don't think there is anything
that can't wait for next week.
Things seem to have picked up a little with people coming back from
holidays,
MAINTAINERS:
- Fix Nova GPU driver git links
- Fix typo in TYR driver entry preventing correct behavior of
scripts/get_maintainer.pl
- Exclude TYR driver from DRM MISC
nova-core:
- Correctly select RUST_FW_LOADER_ABSTRACTIONS to prevent build
errors
- Regenerate nova-core bindgen bindings with '--explicit-padding' to
avoid uninitialized bytes
- Fix length of received GSP messages, due to miscalculated message
payload size
- Regenerate bindings to derive MaybeZeroable
- Use a bindings alias to derive the firmware version
exynos:
- hdmi: replace system_wq with system_percpu_wq
pl111:
- Fix error handling in probe
mediatek/atomic/tidss:
- Fix tidss in another way and revert reordering of pre-enable and
post-disable operations, as it breaks other bridge drivers
nouveau:
- Fix regression from fwsec s/r fix
pci/vga:
- Fix multiple gpu's being reported a 'boot_display'
fb-helper:
- Fix vblank timeout during suspend/reset
amdgpu:
- Clang fixes
- Navi1x PCIe DPM fixes
- Ring reset fixes
- ISP suspend fix
- Analog DC fixes
- VPE fixes
- Mode1 reset fix
radeon:
- Variable sized array fix"
* tag 'drm-fixes-2026-01-09' of https://gitlab.freedesktop.org/drm/kernel: (32 commits)
Reapply "Revert "drm/amd: Skip power ungate during suspend for VPE""
drm/amd/display: Check NULL before calling dac_load_detection
drm/amd/pm: Disable MMIO access during SMU Mode 1 reset
drm/exynos: hdmi: replace use of system_wq with system_percpu_wq
drm/fb-helper: Fix vblank timeout during suspend/reset
PCI/VGA: Don't assume the only VGA device on a system is `boot_vga`
drm/amdgpu: Fix query for VPE block_type and ip_count
drm/amd/display: Add missing encoder setup to DACnEncoderControl
drm/amd/display: Correct color depth for SelectCRTC_Source
drm/amd/amdgpu: Fix SMU warning during isp suspend-resume
drm/amdgpu: always backup and reemit fences
drm/amdgpu: don't reemit ring contents more than once
drm/amd/pm: force send pcie parmater on navi1x
drm/amd/pm: fix wrong pcie parameter on navi1x
drm/radeon: Remove __counted_by from ClockInfoArray.clockInfo[]
drm/amd/display: Reduce number of arguments of dcn30's CalculateWatermarksAndDRAMSpeedChangeSupport()
drm/amd/display: Reduce number of arguments of dcn30's CalculatePrefetchSchedule()
drm/amd/display: Apply e4479aecf6 to dml
nouveau: don't attempt fwsec on sb on newer platforms
drm/tidss: Fix enable/disable order
...
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Merge tag 'vfs-6.19-rc5.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Remove incorrect __user annotation from struct xattr_args::value
- Documentation fix: Add missing kernel-doc description for the @isnew
parameter in ilookup5_nowait() to silence Sphinx warnings
- Documentation fix: Fix kernel-doc comment for __start_dirop() - the
function name in the comment was wrong and the @state parameter was
undocumented
- Replace dynamic folio_batch allocation with stack allocation in
iomap_zero_range(). The dynamic allocation was problematic for
ext4-on-iomap work (didn't handle allocation failure properly) and
triggered lockdep complaints. Uses a flag instead to control batch
usage
- Re-add #ifdef guards around PIDFD_GET_<ns-type>_NAMESPACE ioctls.
When a namespace type is disabled, ns->ops is NULL, causes crashes
during inode eviction when closing the fd. The ifdefs were removed in
a recent simplification but are still needed
- Fixe a race where a folio could be unlocked before the trailing zeros
(for EOF within the page) were written
- Split out a dedicated lease_dispose_list() helper since lease code
paths always know they're disposing of leases. Removes unnecessary
runtime flag checks and prepares for upcoming lease_manager
enhancements
- Fix userland delegation requests succeeding despite conflicting
opens. Previously, FL_LAYOUT and FL_DELEG leases bypassed conflict
checks (a hack for nfsd). Adds new ->lm_open_conflict() lease_manager
operation so userland delegations get proper conflict checking while
nfsd can continue its own conflict handling
- Fix LOOKUP_CACHED path lookups incorrectly falling through to the
slow path. After legitimize_links() calls were conditionally elided,
the routine would always fail with LOOKUP_CACHED regardless of
whether there were any links. Now the flag is checked at the two
callsites before calling legitimize_links()
- Fix bug in media fd allocation in media_request_alloc()
- Fix mismatched API calls in ecryptfs_mknod(): was calling
end_removing() instead of end_creating() after
ecryptfs_start_creating_dentry()
- Fix dentry reference count leak in ecryptfs_mkdir(): a dget() of the
lower parent dir was added but never dput()'d, causing BUG during
lower filesystem unmount due to the still-in-use dentry
* tag 'vfs-6.19-rc5.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
pidfs: protect PIDFD_GET_* ioctls() via ifdef
ecryptfs: Release lower parent dentry after creating dir
ecryptfs: Fix improper mknod pairing of start_creating()/end_removing()
get rid of bogus __user in struct xattr_args::value
VFS: fix __start_dirop() kernel-doc warnings
fs: Describe @isnew parameter in ilookup5_nowait()
fs: make sure to fail try_to_unlazy() and try_to_unlazy() for LOOKUP_CACHED
netfs: Fix early read unlock of page with EOF in middle
filelock: allow lease_managers to dictate what qualifies as a conflict
filelock: add lease_dispose_list() helper
iomap: replace folio_batch allocation with stack allocation
media: mc: fix potential use-after-free in media_request_alloc()
- Remove useless assignment of soft_mode variable
The function __ftrace_event_enable_disable() sets "soft_mode" in one of
the branch paths but doesn't use it after that. Remove the setting of that
variable.
- Add a cond_resched() in ring_buffer_resize()
The resize function that allocates all the pages for the ring buffer was
causing a soft lockup on PREEMPT_NONE configs when allocating large
buffers on machines with many CPUs. Hopefully this is the last
cond_resched() needed to be added as PREEMPT_LAZY becomes the norm in the
future.
- Make ftrace_graph_ent depth field signed
The "depth" field of struct ftrace_graph_ent was converted from "int" to
"unsigned long" for alignment reasons to work with being embedded in other
structures. The conversion from a signed to unsigned caused integrity
checks to always pass as they were comparing "depth" to less than zero.
Make the field signed long.
- Add recursion protection to stack trace events
A infinite recursion was triggered by a stack trace event calling RCU
which internally called rcu_read_unlock_special(), which triggered an
event that was also doing stacktraces which cause it to trigger the same
RCU lock that called rcu_read_unlock_special() again.
Update the trace_test_and_set_recursion() to add a set of context checks
for events to use, and have the stack trace event use that for recursion
protection.
- Make the variable ftrace_dump_on_oops static
The cleanup of sysctl that moved all the updates to the files that use
them moved the reference of ftrace_dump_on_oops to where it is used.
It is no longer used outside of the trace.c file. Make it static.
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Merge tag 'trace-v6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Remove useless assignment of soft_mode variable
The function __ftrace_event_enable_disable() sets "soft_mode" in one
of the branch paths but doesn't use it after that. Remove the setting
of that variable.
- Add a cond_resched() in ring_buffer_resize()
The resize function that allocates all the pages for the ring buffer
was causing a soft lockup on PREEMPT_NONE configs when allocating
large buffers on machines with many CPUs. Hopefully this is the last
cond_resched() needed to be added as PREEMPT_LAZY becomes the norm in
the future.
- Make ftrace_graph_ent depth field signed
The "depth" field of struct ftrace_graph_ent was converted from "int"
to "unsigned long" for alignment reasons to work with being embedded
in other structures. The conversion from a signed to unsigned caused
integrity checks to always pass as they were comparing "depth" to
less than zero. Make the field signed long.
- Add recursion protection to stack trace events
A infinite recursion was triggered by a stack trace event calling RCU
which internally called rcu_read_unlock_special(), which triggered an
event that was also doing stacktraces which cause it to trigger the
same RCU lock that called rcu_read_unlock_special() again.
Update the trace_test_and_set_recursion() to add a set of context
checks for events to use, and have the stack trace event use that for
recursion protection.
- Make the variable ftrace_dump_on_oops static
The cleanup of sysctl that moved all the updates to the files that
use them moved the reference of ftrace_dump_on_oops to where it is
used. It is no longer used outside of the trace.c file. Make it
static.
* tag 'trace-v6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
trace: ftrace_dump_on_oops[] is not exported, make it static
tracing: Add recursion protection in kernel stack trace recording
ftrace: Make ftrace_graph_ent depth field signed
ring-buffer: Avoid softlockup in ring_buffer_resize() during memory free
tracing: Drop unneeded assignment to soft_mode
Current release - fix to a fix:
- net: do not write to msg_get_inq in callee
- arp: do not assume dev_hard_header() does not change skb->head
Current release - regressions:
- wifi: mac80211: don't iterate not running interfaces
- eth: mlx5: fix NULL pointer dereference in ioctl module EEPROM
Current release - new code bugs:
- eth: bnge: add AUXILIARY_BUS to Kconfig dependencies
Previous releases - regressions:
- eth: mlx5: dealloc forgotten PSP RX modify header
Previous releases - always broken:
- ping: fix ICMP out SNMP stats double-counting with ICMP sockets
- bonding: preserve NETIF_F_ALL_FOR_ALL across TSO updates
- bridge: fix C-VLAN preservation in 802.1ad vlan_tunnel egress
- eth: bnxt: fix potential data corruption with HW GRO/LRO
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and wireless.
Current release - fix to a fix:
- net: do not write to msg_get_inq in callee
- arp: do not assume dev_hard_header() does not change skb->head
Current release - regressions:
- wifi: mac80211: don't iterate not running interfaces
- eth: mlx5: fix NULL pointer dereference in ioctl module EEPROM
Current release - new code bugs:
- eth: bnge: add AUXILIARY_BUS to Kconfig dependencies
Previous releases - regressions:
- eth: mlx5: dealloc forgotten PSP RX modify header
Previous releases - always broken:
- ping: fix ICMP out SNMP stats double-counting with ICMP sockets
- bonding: preserve NETIF_F_ALL_FOR_ALL across TSO updates
- bridge: fix C-VLAN preservation in 802.1ad vlan_tunnel egress
- eth: bnxt: fix potential data corruption with HW GRO/LRO"
* tag 'net-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
arp: do not assume dev_hard_header() does not change skb->head
net: enetc: fix build warning when PAGE_SIZE is greater than 128K
atm: Fix dma_free_coherent() size
tools: ynl: don't install tests
net: do not write to msg_get_inq in callee
bnxt_en: Fix NULL pointer crash in bnxt_ptp_enable during error cleanup
net: usb: pegasus: fix memory leak in update_eth_regs_async()
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset
wifi: mac80211: collect station statistics earlier when disconnect
wifi: mac80211: restore non-chanctx injection behaviour
wifi: mac80211_hwsim: disable BHs for hwsim_radio_lock
wifi: mac80211: don't iterate not running interfaces
wifi: mac80211_hwsim: fix typo in frequency notification
wifi: avoid kernel-infoleak from struct iw_point
net: airoha: Fix schedule while atomic in airoha_ppe_deinit()
selftests: netdevsim: add carrier state consistency test
net: netdevsim: fix inconsistent carrier state after link/unlink
selftests: drv-net: Bring back tool() to driver __init__s
net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy
...
Due to commit 1b600da510 ("PM: EM: Optimize em_cpu_energy() and remove
division"), the logic for energy consumption calculation has been modified.
The actual calculation of cost is 10 * power * max_frequency / frequency
instead of power * max_frequency / frequency.
Therefore, the comment for cost has been updated to reflect the correct
content.
Fixes: 1b600da510 ("PM: EM: Optimize em_cpu_energy() and remove division")
Signed-off-by: Yaxiong Tian <tianyaxiong@kylinos.cn>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
[ rjw: Added Fixes: tag ]
Link: https://patch.msgid.link/20251230061534.816894-1-tianyaxiong@kylinos.cn
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The cgrp_ancestor_storage has two drawbacks:
- it's not guaranteed that the member immediately follows struct cgrp in
cgroup_root (root cgroup's ancestors[0] might thus point to a padding
and not in cgrp_ancestor_storage proper),
- this idiom raises warnings with -Wflex-array-member-not-at-end.
Instead of relying on the auxiliary member in cgroup_root, define the
0-th level ancestor inside struct cgroup (needed for static allocation
of cgrp_dfl_root), deeper cgroups would allocate flexible
_low_ancestors[]. Unionized alias through ancestors[] will
transparently join the two ranges.
The above change would still leave the flexible array at the end of
struct cgroup inside cgroup_root, so move cgrp also towards the end of
cgroup_root to resolve the -Wflex-array-member-not-at-end.
Link: https://lore.kernel.org/r/5fb74444-2fbb-476e-b1bf-3f3e279d0ced@embeddedor.com/
Reported-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Closes: https://lore.kernel.org/r/b3eb050d-9451-4b60-b06c-ace7dab57497@embeddedor.com/
Cc: David Laight <david.laight.linux@gmail.com>
Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
