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Merge tag 'for-6.19-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- with large folios in use, fix partial incorrect update of a reflinked
range
- fix potential deadlock in iget when lookup fails and eviction is
needed
- in send, validate inline extent type while detecting file holes
- fix memory leak after an error when creating a space info
- remove zone statistics from sysfs again, the output size limitations
make it unusable, we'll do it in another way in another release
- test fixes:
- return proper error codes from block remapping tests
- fix tree root leaks in qgroup tests after errors
* tag 'for-6.19-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: remove zoned statistics from sysfs
btrfs: fix memory leaks in create_space_info() error paths
btrfs: invalidate pages instead of truncate after reflinking
btrfs: update the Kconfig string for CONFIG_BTRFS_EXPERIMENTAL
btrfs: send: check for inline extents in range_is_hole_in_parent()
btrfs: tests: fix return 0 on rmap test failure
btrfs: tests: fix root tree leak in btrfs_test_qgroups()
btrfs: release path before iget_failed() in btrfs_read_locked_inode()
(atomicity not required). For kunit testing, the structure is packed to
avoid memcmp() errors but this affects atomic bitops as they have strict
alignment requirements.
Also remove a duplicate include in the mpam driver.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"An arm64/mpam fix to use non-atomic bitops on struct mmap_props member
(atomicity not required).
For kunit testing, the structure is packed to avoid memcmp() errors
but this affects atomic bitops as they have strict alignment
requirements.
Also remove a duplicate include in the mpam driver"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm_mpam: Use non-atomic bitops when modifying feature bitmap
arm_mpam: Remove duplicate linux/srcu.h header
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Merge tag 'block-6.19-20260116' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- Device quirk to disable faulty temperature (Ilikara)
- TCP target null pointer fix from bad host protocol usage (Shivam)
- Add apple,t8103-nvme-ans2 as a compatible apple controller
(Janne)
- FC tagset leak fix (Chaitanya)
- TCP socket deadlock fix (Hannes)
- Target name buffer overrun fix (Shin'ichiro)
- Fix for an underflow for rnbd during device unmap
- Zero the non-PI part of the auto integrity buffer
- Fix for a configfs memory leak in the null block driver
* tag 'block-6.19-20260116' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
rnbd-clt: fix refcount underflow in device unmap path
nvme: fix PCIe subsystem reset controller state transition
nvmet: do not copy beyond sybsysnqn string length
nvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready()
null_blk: fix kmemleak by releasing references to fault configfs items
block: zero non-PI portion of auto integrity buffer
nvme-fc: release admin tagset if init fails
nvme-apple: add "apple,t8103-nvme-ans2" as compatible
nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec
nvme-pci: disable secondary temp for Wodposit WPBSNM8
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Merge tag 'io_uring-6.19-20260116' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fix from Jens Axboe:
"Just a single fix moving local task_work inside the cancelation loop,
rather than only before cancelations.
If any cancelations generate task_work, we do need to re-run it"
* tag 'io_uring-6.19-20260116' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: move local task_work in exit cancel loop
In kvm_ioctl_create_device(), kvm_device has allocated memory,
kvm_device->destroy() seems to be supposed to free its kvm_device
struct, but kvm_pch_pic_destroy() is not currently doing this, that
would lead to a memory leak.
So, fix it.
Cc: stable@vger.kernel.org
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
In kvm_ioctl_create_device(), kvm_device has allocated memory,
kvm_device->destroy() seems to be supposed to free its kvm_device
struct, but kvm_eiointc_destroy() is not currently doing this, that
would lead to a memory leak.
So, fix it.
Cc: stable@vger.kernel.org
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
In kvm_ioctl_create_device(), kvm_device has allocated memory,
kvm_device->destroy() seems to be supposed to free its kvm_device
struct, but kvm_ipi_destroy() is not currently doing this, that
would lead to a memory leak.
So, fix it.
Cc: stable@vger.kernel.org
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
The binding wants the node to be named "i2c-number", but those are named
"i2c-gpio-number" instead.
Thus rename those to i2c-0, i2c-1 to adhere to the binding and suppress
dtbs_check warnings.
Cc: stable@vger.kernel.org
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add missing address-cells 0 to the Local I/O, Extend I/O and PCH-PIC
Interrupt Controller node to silence W=1 warning:
loongson-2k2000.dtsi:364.5-49: Warning (interrupt_map): /bus@10000000/pcie@1a000000/pcie@9,0:interrupt-map:
Missing property '#address-cells' in node /bus@10000000/interrupt-controller@10000000, using 0 as fallback
Value '0' is correct because:
1. The LIO/EIO/PCH interrupt controller does not have children,
2. interrupt-map property (in PCI node) consists of five components and
the fourth component "parent unit address", which size is defined by
'#address-cells' of the node pointed to by the interrupt-parent
component, is not used (=0)
Cc: stable@vger.kernel.org
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add missing address-cells 0 to the Local I/O interrupt controller node
to silence W=1 warning:
loongson-2k1000.dtsi:498.5-55: Warning (interrupt_map): /bus@10000000/pcie@1a000000/pcie@9,0:interrupt-map:
Missing property '#address-cells' in node /bus@10000000/interrupt-controller@1fe01440, using 0 as fallback
Value '0' is correct because:
1. The Local I/O interrupt controller does not have children,
2. interrupt-map property (in PCI node) consists of five components and
the fourth component "parent unit address", which size is defined by
'#address-cells' of the node pointed to by the interrupt-parent
component, is not used (=0)
Cc: stable@vger.kernel.org
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add missing address-cells 0 to the Local I/O and Extend I/O interrupt
controller node to silence W=1 warning:
loongson-2k0500.dtsi:513.5-51: Warning (interrupt_map): /bus@10000000/pcie@1a000000/pcie@0,0:interrupt-map:
Missing property '#address-cells' in node /bus@10000000/interrupt-controller@1fe11600, using 0 as fallback
Value '0' is correct because:
1. The Local I/O & Extend I/O interrupt controller do not have children,
2. interrupt-map property (in PCI node) consists of five components and
the fourth component "parent unit address", which size is defined by
'#address-cells' of the node pointed to by the interrupt-parent
component, is not used (=0)
Cc: stable@vger.kernel.org
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
SoC integrated peripherals on LS2K1000 and LS2K2000 could be discovered
as PCI devices, but require sideband interrupts to function, which are
previously described by interrupts and interrupt-parent properties.
However, pci/pci-device.yaml allows interrupts property to only specify
PCI INTx interrupts, not sideband ones. Convert these devices to use
interrupt-extended property, which describes sideband interrupts used by
PCI devices since dt-schema commit e6ea659d2baa ("schemas: pci-device:
Allow interrupts-extended for sideband interrupts"), eliminating
dtbs_check warnings.
Cc: stable@vger.kernel.org
Fixes: 30a5532a32 ("LoongArch: dts: DeviceTree for Loongson-2K1000")
Signed-off-by: Yao Zi <me@ziyao.cc>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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
...
- Recognize all ZONE_DEVICE users as physaddr consumers
- Fix format string for extended_linear_cache_size_show()
- Fix target list setup for multiple decoders sharing the same
downstream port
- Restore HBIW check before derefernce platform data
- Fix potential infinite loop in __cxl_dpa_reserve()
- Check for invalid addresses returned from translation functions on
error.
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Merge tag 'cxl-fixes-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) fixes from Dave Jiang:
- Recognize all ZONE_DEVICE users as physaddr consumers
- Fix format string for extended_linear_cache_size_show()
- Fix target list setup for multiple decoders sharing the same
downstream port
- Restore HBIW check before derefernce platform data
- Fix potential infinite loop in __cxl_dpa_reserve()
- Check for invalid addresses returned from translation functions on
error
* tag 'cxl-fixes-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl: Check for invalid addresses returned from translation functions on errors
cxl/hdm: Fix potential infinite loop in __cxl_dpa_reserve()
cxl/acpi: Restore HBIW check before dereferencing platform_data
cxl/port: Fix target list setup for multiple decoders sharing the same dport
cxl/region: fix format string for resource_size_t
x86/kaslr: Recognize all ZONE_DEVICE users as physaddr consumers
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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
Add checks missed by a previous recent update to the ACPI suspend-to-idle
code and add a debug module parameter to it to work around a platform
firmware issue exposed by that update (Rafael Wysocki)
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Merge tag 'acpi-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Add checks missed by a previous recent update to the ACPI
suspend-to-idle code and add a debug module parameter to it
to work around a platform firmware issue exposed by that
update (Rafael Wysocki)"
* tag 'acpi-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: s2idle: Add module parameter for LPS0 constraints checking
ACPI: PM: s2idle: Add missing checks to acpi_s2idle_begin_lps0()
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
...
- implement the missing .get_direction() callback for gpio-davinci
- remove redundant check in GPIO core which can also propagate an
invalid errno to user-space
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Merge tag 'gpio-fixes-for-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Two more GPIO fixes addressing an issue uncovered by the shared GPIO
management changes in v6.19:
- implement the missing .get_direction() callback for gpio-davinci
- remove redundant check in GPIO core which can also propagate an
invalid errno to user-space"
* tag 'gpio-fixes-for-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: remove redundant callback check
gpio: davinci: implement .get_direction()
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Merge tag 'printk-for-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fix from Petr Mladek:
- Prevent softlockup by restoring IRQs in atomic flush after each
record
* tag 'printk-for-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk/nbcon: Restore IRQ in atomic flush after each emitted record
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-6.19-rc6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
"Just a few obvious fixes and some 'cosmetic' changes"
* tag 'xfs-fixes-6.19-rc6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: set max_agbno to allow sparse alloc of last full inode chunk
xfs: Fix xfs_grow_last_rtg()
xfs: improve the assert at the top of xfs_log_cover
xfs: fix an overly long line in xfs_rtgroup_calc_geometry
xfs: mark __xfs_rtgroup_extents static
xfs: Fix the return value of xfs_rtcopy_summary()
xfs: fix memory leak in xfs_growfs_check_rtgeom()
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
In the test__props_mismatch() kunit test we rely on the struct mpam_props
being packed to ensure memcmp doesn't consider packing. Making it packed
reduces the alignment of the features bitmap and so breaks a requirement
for the use of atomics. As we don't rely on the set/clear of these bits
being atomic, just make them non-atomic.
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Ben Horgan <ben.horgan@arm.com>
Fixes: 8c90dc68a5 ("arm_mpam: Probe the hardware features resctrl supports")
Reviewed-by: Gavin Shan <gshan@redhat.com>
Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Tested-by: Peter Newman <peternewman@google.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Add a GPL-2.0 license identifier line for this file.
kmod.c was originally introduced in the kernel in February
of 1998 by Linus Torvalds - who was familiar with kernel
licensing at the time this was introduced.
Signed-off-by: Tim Bird <tim.bird@sony.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix allocation accounting on boot up
The ftrace records for each function that ftrace can attach to is
done in a group of pages. At boot up, the number of pages are
calculated and allocated. After that, the pages are filled with data.
It may allocate more than needed due to some functions not being
recorded (because they are unused weak functions), this too is
recorded.
After the data is filled in, a check is made to make sure the right
number of pages were allocated. But this was off due to the
assumption that the same number of entries fit per every page.
Because the size of an entry does not evenly divide into PAGE_SIZE,
there is a rounding error when a large number of pages is allocated
to hold the events. This causes the check to fail and triggers a
warning.
Fix the accounting by finding out how many pages are actually
allocated from the functions that allocate them and use that to see
if all the pages allocated were used and the ones not used are
properly freed.
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Merge tag 'ftrace-v6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ftrace fix from Steven Rostedt:
- Fix allocation accounting on boot up
The ftrace records for each function that ftrace can attach to is
done in a group of pages. At boot up, the number of pages are
calculated and allocated. After that, the pages are filled with data.
It may allocate more than needed due to some functions not being
recorded (because they are unused weak functions), this too is
recorded.
After the data is filled in, a check is made to make sure the right
number of pages were allocated. But this was off due to the
assumption that the same number of entries fit per every page.
Because the size of an entry does not evenly divide into PAGE_SIZE,
there is a rounding error when a large number of pages is allocated
to hold the events. This causes the check to fail and triggers a
warning.
Fix the accounting by finding out how many pages are actually
allocated from the functions that allocate them and use that to see
if all the pages allocated were used and the ones not used are
properly freed.
* tag 'ftrace-v6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ftrace: Do not over-allocate ftrace memory
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()
If the pre-operation file size is read before locking the inode and
quiescing O_DIRECT writes, then nfs_truncate_last_folio() might end up
overwriting valid file data.
Fixes: b1817b18ff ("NFS: Protect against 'eof page pollution'")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
- Wipe the INITRD config table upon consumption so it doesn't confuse
kexec
- Let APEI/GHES maintainers take responsibility for CPER processing
logic
- Fix wrong return value in CPER string helper routine
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Merge tag 'efi-fixes-for-v6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Wipe the INITRD config table upon consumption so it doesn't confuse
kexec
- Let APEI/GHES maintainers take responsibility for CPER processing
logic
- Fix wrong return value in CPER string helper routine
* tag 'efi-fixes-for-v6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/cper: Fix cper_bits_to_str buffer handling and return value
MAINTAINERS: add cper to APEI files
efi: Wipe INITRD config table from memory after consumption
- 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
...
The pg_remaining calculation in ftrace_process_locs() assumes that
ENTRIES_PER_PAGE multiplied by 2^order equals the actual capacity of the
allocated page group. However, ENTRIES_PER_PAGE is PAGE_SIZE / ENTRY_SIZE
(integer division). When PAGE_SIZE is not a multiple of ENTRY_SIZE (e.g.
4096 / 24 = 170 with remainder 16), high-order allocations (like 256 pages)
have significantly more capacity than 256 * 170. This leads to pg_remaining
being underestimated, which in turn makes skip (derived from skipped -
pg_remaining) larger than expected, causing the WARN(skip != remaining)
to trigger.
Extra allocated pages for ftrace: 2 with 654 skipped
WARNING: CPU: 0 PID: 0 at kernel/trace/ftrace.c:7295 ftrace_process_locs+0x5bf/0x5e0
A similar problem in ftrace_allocate_records() can result in allocating
too many pages. This can trigger the second warning in
ftrace_process_locs().
Extra allocated pages for ftrace
WARNING: CPU: 0 PID: 0 at kernel/trace/ftrace.c:7276 ftrace_process_locs+0x548/0x580
Use the actual capacity of a page group to determine the number of pages
to allocate. Have ftrace_allocate_pages() return the number of allocated
pages to avoid having to calculate it. Use the actual page group capacity
when validating the number of unused pages due to skipped entries.
Drop the definition of ENTRIES_PER_PAGE since it is no longer used.
Cc: stable@vger.kernel.org
Fixes: 4a3efc6baf ("ftrace: Update the mcount_loc check of skipped entries")
Link: https://patch.msgid.link/20260113152243.3557219-1-linux@roeck-us.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
During device unmapping (triggered by module unload or explicit unmap),
a refcount underflow occurs causing a use-after-free warning:
[14747.574913] ------------[ cut here ]------------
[14747.574916] refcount_t: underflow; use-after-free.
[14747.574917] WARNING: lib/refcount.c:28 at refcount_warn_saturate+0x55/0x90, CPU#9: kworker/9:1/378
[14747.574924] Modules linked in: rnbd_client(-) rtrs_client rnbd_server rtrs_server rtrs_core ...
[14747.574998] CPU: 9 UID: 0 PID: 378 Comm: kworker/9:1 Tainted: G O N 6.19.0-rc3lblk-fnext+ #42 PREEMPT(voluntary)
[14747.575005] Workqueue: rnbd_clt_wq unmap_device_work [rnbd_client]
[14747.575010] RIP: 0010:refcount_warn_saturate+0x55/0x90
[14747.575037] Call Trace:
[14747.575038] <TASK>
[14747.575038] rnbd_clt_unmap_device+0x170/0x1d0 [rnbd_client]
[14747.575044] process_one_work+0x211/0x600
[14747.575052] worker_thread+0x184/0x330
[14747.575055] ? __pfx_worker_thread+0x10/0x10
[14747.575058] kthread+0x10d/0x250
[14747.575062] ? __pfx_kthread+0x10/0x10
[14747.575066] ret_from_fork+0x319/0x390
[14747.575069] ? __pfx_kthread+0x10/0x10
[14747.575072] ret_from_fork_asm+0x1a/0x30
[14747.575083] </TASK>
[14747.575096] ---[ end trace 0000000000000000 ]---
Befor this patch :-
The bug is a double kobject_put() on dev->kobj during device cleanup.
Kobject Lifecycle:
kobject_init_and_add() sets kobj.kref = 1 (initialization)
kobject_put() sets kobj.kref = 0 (should be called once)
* Before this patch:
rnbd_clt_unmap_device()
rnbd_destroy_sysfs()
kobject_del(&dev->kobj) [remove from sysfs]
kobject_put(&dev->kobj) PUT #1 (WRONG!)
kref: 1 to 0
rnbd_dev_release()
kfree(dev) [DEVICE FREED!]
rnbd_destroy_gen_disk() [use-after-free!]
rnbd_clt_put_dev()
refcount_dec_and_test(&dev->refcount)
kobject_put(&dev->kobj) PUT #2 (UNDERFLOW!)
kref: 0 to -1 [WARNING!]
The first kobject_put() in rnbd_destroy_sysfs() prematurely frees the
device via rnbd_dev_release(), then the second kobject_put() in
rnbd_clt_put_dev() causes refcount underflow.
* After this patch :-
Remove kobject_put() from rnbd_destroy_sysfs(). This function should
only remove sysfs visibility (kobject_del), not manage object lifetime.
Call Graph (FIXED):
rnbd_clt_unmap_device()
rnbd_destroy_sysfs()
kobject_del(&dev->kobj) [remove from sysfs only]
[kref unchanged: 1]
rnbd_destroy_gen_disk() [device still valid]
rnbd_clt_put_dev()
refcount_dec_and_test(&dev->refcount)
kobject_put(&dev->kobj) ONLY PUT (CORRECT!)
kref: 1 to 0 [BALANCED]
rnbd_dev_release()
kfree(dev) [CLEAN DESTRUCTION]
This follows the kernel pattern where sysfs removal (kobject_del) is
separate from object destruction (kobject_put).
Fixes: 581cf833ca ("block: rnbd: add .release to rnbd_dev_ktype")
Signed-off-by: Chaitanya Kulkarni <ckulkarnilinux@gmail.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.
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Merge tag 'linux-can-fixes-for-6.19-20260115' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2026-01-15
this is a pull request of 4 patches for net/main, it super-seeds the
"can 2026-01-14" pull request. The dev refcount leak in patch #3 is
fixed.
The first 3 patches are by Oliver Hartkopp and revert the approach to
instantly reject unsupported CAN frames introduced in
net-next-for-v6.19 and replace it by placing the needed data into the
CAN specific ml_priv.
The last patch is by Tetsuo Handa and fixes a J1939 refcount leak for
j1939_session in session deactivation upon receiving the second RTS.
linux-can-fixes-for-6.19-20260115
* tag 'linux-can-fixes-for-6.19-20260115' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts
can: raw: instantly reject disabled CAN frames
can: propagate CAN device capabilities via ml_priv
Revert "can: raw: instantly reject unsupported CAN frames"
====================
Link: https://patch.msgid.link/20260115090603.1124860-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'ipsec-2026-01-14' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2026-01-14
1) Fix inner mode lookup in tunnel mode GSO segmentation.
The protocol was taken from the wrong field.
2) Set ipv4 no_pmtu_disc flag only on output SAs. The
insertation of input SAs can fail if no_pmtu_disc
is set.
Please pull or let me know if there are problems.
ipsec-2026-01-14
* tag 'ipsec-2026-01-14' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec:
xfrm: set ipv4 no_pmtu_disc flag only on output sa when direction is set
xfrm: Fix inner mode lookup in tunnel mode GSO segmentation
====================
Link: https://patch.msgid.link/20260114121817.1106134-1-steffen.klassert@secunet.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
SETUP_MODES already setup the initial values of CSR.CRMD, CSR.PRMD and
CSR.EUEN, so the redundant open code can be removed.
Fixes: 7b2afeafaf ("LoongArch: Adjust boot & setup for 32BIT/64BIT")
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Use the new TRAILING_OVERLAP() helper to fix a misalignment bug
along with the following warning:
drivers/net/virtio_net.c:429:46: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
This helper creates a union between a flexible-array member (FAM)
and a set of members that would otherwise follow it (in this case
`u8 rss_hash_key_data[VIRTIO_NET_RSS_MAX_KEY_SIZE];`). This
overlays the trailing members (rss_hash_key_data) onto the FAM
(hash_key_data) while keeping the FAM and the start of MEMBERS aligned.
The static_assert() ensures this alignment remains.
Notice that due to tail padding in flexible `struct
virtio_net_rss_config_trailer`, `rss_trailer.hash_key_data`
(at offset 83 in struct virtnet_info) and `rss_hash_key_data` (at
offset 84 in struct virtnet_info) are misaligned by one byte. See
below:
struct virtio_net_rss_config_trailer {
__le16 max_tx_vq; /* 0 2 */
__u8 hash_key_length; /* 2 1 */
__u8 hash_key_data[]; /* 3 0 */
/* size: 4, cachelines: 1, members: 3 */
/* padding: 1 */
/* last cacheline: 4 bytes */
};
struct virtnet_info {
...
struct virtio_net_rss_config_trailer rss_trailer; /* 80 4 */
/* XXX last struct has 1 byte of padding */
u8 rss_hash_key_data[40]; /* 84 40 */
...
/* size: 832, cachelines: 13, members: 48 */
/* sum members: 801, holes: 8, sum holes: 31 */
/* paddings: 2, sum paddings: 5 */
};
After changes, those members are correctly aligned at offset 795:
struct virtnet_info {
...
union {
struct virtio_net_rss_config_trailer rss_trailer; /* 792 4 */
struct {
unsigned char __offset_to_hash_key_data[3]; /* 792 3 */
u8 rss_hash_key_data[40]; /* 795 40 */
}; /* 792 43 */
}; /* 792 44 */
...
/* size: 840, cachelines: 14, members: 47 */
/* sum members: 801, holes: 8, sum holes: 35 */
/* padding: 4 */
/* paddings: 1, sum paddings: 4 */
/* last cacheline: 8 bytes */
};
As a result, the RSS key passed to the device is shifted by 1
byte: the last byte is cut off, and instead a (possibly
uninitialized) byte is added at the beginning.
As a last note `struct virtio_net_rss_config_hdr *rss_hdr;` is also
moved to the end, since it seems those three members should stick
around together. :)
Cc: stable@vger.kernel.org
Fixes: ed3100e90d ("virtio_net: Use new RSS config structs")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://patch.msgid.link/aWIItWq5dV9XTTCJ@kspp
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Since j1939_session_deactivate_activate_next() in j1939_tp_rxtimer() is
called only when the timer is enabled, we need to call
j1939_session_deactivate_activate_next() if we cancelled the timer.
Otherwise, refcount for j1939_session leaks, which will later appear as
| unregister_netdevice: waiting for vcan0 to become free. Usage count = 2.
problem.
Reported-by: syzbot <syzbot+881d65229ca4f9ae8c84@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=881d65229ca4f9ae8c84
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Fixes: 9d71dd0c70 ("can: add support of SAE J1939 protocol")
Link: https://patch.msgid.link/b1212653-8fa1-44e1-be9d-12f950fb3a07@I-love.SAKURA.ne.jp
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Oliver Hartkopp <socketcan@hartkopp.net> says:
This series reverts commit 1a620a7238 ("can: raw: instantly reject
unsupported CAN frames").
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 reverted patch was accessing CAN device internal data structures
from the network layer because it needs to know about the CAN protocol
capabilities of the CAN devices.
This data access caused build problems between the CAN network and the
CAN driver layer which introduced unwanted Kconfig dependencies and fixes.
The patches 2 & 3 implement a better approach which makes use of 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.
Link: https://patch.msgid.link/20260109144135.8495-1-socketcan@hartkopp.net
[mkl: give series a more descriptive name]
[mkl: properly format reverted patch commitish]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
