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1,385,397 commits

Author SHA1 Message Date
Arnd Bergmann
bab62f5bdc Reset controller fixes for v6.17
* Fix an OF node reference leak in the EyeQ reset controller driver.
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Merge tag 'reset-fixes-for-v6.17' of https://git.pengutronix.de/git/pza/linux into arm/fixes

Reset controller fixes for v6.17

* Fix an OF node reference leak in the EyeQ reset controller driver.

* tag 'reset-fixes-for-v6.17' of https://git.pengutronix.de/git/pza/linux:
  reset: eyeq: fix OF node leak

Link: https://lore.kernel.org/r/20250904153345.2374313-1-p.zabel@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-09-12 17:57:03 +02:00
Arnd Bergmann
f1a43af7a9 mvebu fixes for 6.17 (part 1)
Fix SATA ports on various boards: Macchiatobin, CN913x-solidrun.
 Fix audio on Armada 370 DB and OpenRD.
 Disable eMMC high-speed modes on the CN9132 CEX-7 module.
 Disable runtime reconfiguration for PCIe lanes on the CN9132 CEX-7 module.
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Merge tag 'mvebu-fixes-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu into arm/fixes

mvebu fixes for 6.17 (part 1)

Fix SATA ports on various boards: Macchiatobin, CN913x-solidrun.
Fix audio on Armada 370 DB and OpenRD.
Disable eMMC high-speed modes on the CN9132 CEX-7 module.
Disable runtime reconfiguration for PCIe lanes on the CN9132 CEX-7 module.

* tag 'mvebu-fixes-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu:
  arm64: dts: marvell: cn9132-clearfog: fix multi-lane pci x2 and x4 ports
  arm64: dts: marvell: cn9132-clearfog: disable eMMC high-speed modes
  arm64: dts: marvell: cn913x-solidrun: fix sata ports status
  ARM: dts: kirkwood: Fix sound DAI cells for OpenRD clients
  ARM64: dts: mcbin: fix SATA ports on Macchiatobin
  ARM: dts: armada-370-db: Fix stereo audio input routing on Armada 370

Link: https://lore.kernel.org/r/87ikhnn1pl.fsf@BLaptop.bootlin.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-09-12 17:55:37 +02:00
Amit Chaudhari
831f70a5b9 HID: asus: add support for missing PX series fn keys
Add support for missing hotkey keycodes affecting Asus PX13 and PX16 families
so userspace can use them.

Signed-off-by: Amit Chaudhari <amitchaudhari@mac.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-09-12 17:20:27 +02:00
Sébastien Szymanski
2a5e76b9a0 HID: cp2112: fix setter callbacks return value
Since commit 6485543488 ("HID: cp2112: use new line value setter
callbacks"), setting a GPIO value always fails with error -EBADE.

That's because the returned value by the setter callbacks is the
returned value by the hid_hw_raw_request() function which is the number of
bytes sent on success or a negative value on error. The function
gpiochip_set() returns -EBADE if the setter callbacks return a value >
0.

Fix this by making the setter callbacks return 0 on success or a negative
value on error.

While at it, use the returned value by cp2112_gpio_set_unlocked() in the
direction_output callback.

Fixes: 6485543488 ("HID: cp2112: use new line value setter callbacks")
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-09-12 17:15:19 +02:00
Janne Grunau
8599049a96 HID: lenovo: Use KEY_PERFORMANCE instead of ACPI's platform_profile
Commit 84c9d2a968 ("HID: lenovo: Support for ThinkPad-X12-TAB-1/2 Kbd
Fn keys") added a dependency on ACPI's platform_profile. This should not
be done for generic USB devices as this prevents using the devices on
non ACPI devices like Apple silicon Macs and other non-ACPI arm64
systems. An attempt to allow using platform_profile on non-ACPI systems
was rejected in [1] and instead platform_profile was made to fail during
init in commit dd133162c9 ("ACPI: platform_profile: Avoid initializing
on non-ACPI platforms").
So remove the broken dependency and instead let's user space handle this
keycode by sending the new KEY_PERFORMANCE. Stable backport depends on
commit 89c5214639 ("Input: add keycode for performance mode key").

[1]: https://lore.kernel.org/linux-acpi/CAJZ5v0icRdTSToaKbdf=MdRin4NyB2MstUVaQo8VR6-n7DkVMQ@mail.gmail.com/

Cc: regressions@lists.linux.dev
Cc: stable@vger.kernel.org
Fixes: 84c9d2a968 ("HID: lenovo: Support for ThinkPad-X12-TAB-1/2 Kbd Fn keys")
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-09-12 16:59:05 +02:00
Jiri Kosina
12a0d4109d Merge commit '89c5214639' into for-6.17/upstream-fixes
This bringig in a KEY_PERFORMANCE definition, which a followup fix will depend
on.

Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-09-12 16:58:28 +02:00
Xinpeng Sun
cc54ed51c7 HID: intel-thc-hid: intel-quickspi: Add WCL Device IDs
Add THC SPI WildcatLake device IDs.

Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com>
Reviewed-by: Even Xu <even.xu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-09-12 16:12:38 +02:00
Xinpeng Sun
510f05bb73 HID: intel-thc-hid: intel-quicki2c: Add WCL Device IDs
Add THC I2C WildcatLake device IDs.

Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com>
Reviewed-by: Even Xu <even.xu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-09-12 16:12:38 +02:00
Ben Chuang
77a436c93d mmc: sdhci-pci-gli: GL9767: Fix initializing the UHS-II interface during a power-on
According to the power structure of IC hardware design for UHS-II
interface, reset control and timing must be added to the initialization
process of powering on the UHS-II interface.

Fixes: 27dd3b8255 ("mmc: sdhci-pci-gli: enable UHS-II mode for GL9767")
Cc: stable@vger.kernel.org # v6.13+
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-12 15:00:52 +02:00
Ben Chuang
09c2b628f6 mmc: sdhci-uhs2: Fix calling incorrect sdhci_set_clock() function
Fix calling incorrect sdhci_set_clock() in __sdhci_uhs2_set_ios() when the
vendor defines its own sdhci_set_clock().

Fixes: 10c8298a05 ("mmc: sdhci-uhs2: add set_ios()")
Cc: stable@vger.kernel.org # v6.13+
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-12 15:00:52 +02:00
Ben Chuang
7b7e71683b mmc: sdhci: Move the code related to setting the clock from sdhci_set_ios_common() into sdhci_set_ios()
The sdhci_set_clock() is called in sdhci_set_ios_common() and
__sdhci_uhs2_set_ios(). According to Section 3.13.2 "Card Interface
Detection Sequence" of the SD Host Controller Standard Specification
Version 7.00, the SD clock is supplied after power is supplied, so we only
need one in __sdhci_uhs2_set_ios(). Let's move the code related to setting
the clock from sdhci_set_ios_common() into sdhci_set_ios() and modify
the parameters passed to sdhci_set_clock() in __sdhci_uhs2_set_ios().

Fixes: 10c8298a05 ("mmc: sdhci-uhs2: add set_ios()")
Cc: stable@vger.kernel.org # v6.13+
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-12 15:00:52 +02:00
Josua Mayer
794a066688 arm64: dts: marvell: cn9132-clearfog: fix multi-lane pci x2 and x4 ports
The mvebu-comphy driver does not currently know how to pass correct
lane-count to ATF while configuring the serdes lanes.

This causes the system to hard reset during reconfiguration, if a pci
card is present and has established a link during bootloader.

Remove the comphy handles from the respective pci nodes to avoid runtime
reconfiguration, relying solely on bootloader configuration - while
avoiding the hard reset.

When bootloader has configured the lanes correctly, the pci ports are
functional under Linux.

This issue may be addressed in the comphy driver at a future point.

Fixes: e9ff907f40 ("arm64: dts: add description for solidrun cn9132 cex7 module and clearfog board")
Cc: stable@vger.kernel.org
Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2025-09-12 14:54:38 +02:00
Josua Mayer
48b51799a5 arm64: dts: marvell: cn9132-clearfog: disable eMMC high-speed modes
Similar to MacchiatoBIN the high-speed modes are unstable on the CN9132
CEX-7 module, leading to failed transactions under normal use.

Disable all high-speed modes including UHS.

Additionally add no-sdio and non-removable properties as appropriate for
eMMC.

Fixes: e9ff907f40 ("arm64: dts: add description for solidrun cn9132 cex7 module and clearfog board")
Cc: stable@vger.kernel.org
Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2025-09-12 14:54:38 +02:00
Josua Mayer
d3021e6aa1 arm64: dts: marvell: cn913x-solidrun: fix sata ports status
Commit "arm64: dts: marvell: only enable complete sata nodes" changed
armada-cp11x.dtsi disabling all sata ports status by default.

The author missed some dts which relied on the dtsi enabling all ports,
and just disabled unused ones instead.

Update dts for SolidRun cn913x based boards to enable the available
ports, rather than disabling the unvavailable one.

Further according to dt bindings the serdes phys are to be specified in
the port node, not the controller node.
Move those phys properties accordingly in clearfog base/pro/solidwan.

Fixes: 30023876ae ("arm64: dts: marvell: only enable complete sata nodes")
Cc: stable@vger.kernel.org
Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2025-09-12 14:54:38 +02:00
Thomas Fourier
8ab2f1c356 mmc: mvsdio: Fix dma_unmap_sg() nents value
The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.

Fixes: 236caa7cc3 ("mmc: SDIO driver for Marvell SoCs")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-12 14:04:22 +02:00
Edward Adam Davis
9dfec4a51d USB: core: remove the move buf action
The buffer size of sysfs is fixed at PAGE_SIZE, and the page offset
of the buf parameter of sysfs_emit_at() must be 0, there is no need
to manually manage the buf pointer offset.

Fixes: 711d41ab4a ("usb: core: Use sysfs_emit_at() when showing dynamic IDs")
Reported-by: syzbot+b6445765657b5855e869@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b6445765657b5855e869
Tested-by: syzbot+b6445765657b5855e869@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_B32D6D8C9450EBFEEE5ACC2C7B0E6C402D0A@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-09-12 13:41:55 +02:00
Greg Kroah-Hartman
7609fb63ce USB serial device ids for 6.17-rc6
Here are some new modem device ids.
 
 Everything has been in linux-next with no reported issues.
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Merge tag 'usb-serial-6.17-rc6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB serial device ids for 6.17-rc6

Here are some new modem device ids.

Everything has been in linux-next with no reported issues.

* tag 'usb-serial-6.17-rc6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: option: add Telit Cinterion LE910C4-WWX new compositions
  USB: serial: option: add Telit Cinterion FN990A w/audio compositions
2025-09-12 10:41:15 +02:00
Jihed Chaibi
29341c6c18 ARM: dts: kirkwood: Fix sound DAI cells for OpenRD clients
A previous commit changed the '#sound-dai-cells' property for the
kirkwood audio controller from 1 to 0 in the kirkwood.dtsi file,
but did not update the corresponding 'sound-dai' property in the
kirkwood-openrd-client.dts file.

This created a mismatch, causing a dtbs_check validation error where
the dts provides one cell (<&audio0 0>) while the .dtsi expects zero.

Remove the extraneous cell from the 'sound-dai' property to fix the
schema validation warning and align with the updated binding.

Fixes: e662e70fa4 ("arm: dts: kirkwood: fix error in #sound-dai-cells size")
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2025-09-12 07:24:12 +02:00
Ioana Ciornei
2690cb0895 dpaa2-switch: fix buffer pool seeding for control traffic
Starting with commit c50e747596 ("dpaa2-switch: Fix error checking in
dpaa2_switch_seed_bp()"), the probing of a second DPSW object errors out
like below.

fsl_dpaa2_switch dpsw.1: fsl_mc_driver_probe failed: -12
fsl_dpaa2_switch dpsw.1: probe with driver fsl_dpaa2_switch failed with error -12

The aforementioned commit brought to the surface the fact that seeding
buffers into the buffer pool destined for control traffic is not
successful and an access violation recoverable error can be seen in the
MC firmware log:

[E, qbman_rec_isr:391, QBMAN]  QBMAN recoverable event 0x1000000

This happens because the driver incorrectly used the ID of the DPBP
object instead of the hardware buffer pool ID when trying to release
buffers into it.

This is because any DPSW object uses two buffer pools, one managed by
the Linux driver and destined for control traffic packet buffers and the
other one managed by the MC firmware and destined only for offloaded
traffic. And since the buffer pool managed by the MC firmware does not
have an external facing DPBP equivalent, any subsequent DPBP objects
created after the first DPSW will have a DPBP id different to the
underlying hardware buffer ID.

The issue was not caught earlier because these two numbers can be
identical when all DPBP objects are created before the DPSW objects are.
This is the case when the DPL file is used to describe the entire DPAA2
object layout and objects are created at boot time and it's also true
for the first DPSW being created dynamically using ls-addsw.

Fix this by using the buffer pool ID instead of the DPBP id when
releasing buffers into the pool.

Fixes: 2877e4f7e1 ("staging: dpaa2-switch: setup buffer pool and RX path rings")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://patch.msgid.link/20250910144825.2416019-1-ioana.ciornei@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11 18:51:25 -07:00
Li Tian
5577352b55 net/mlx5: Not returning mlx5_link_info table when speed is unknown
Because mlx5e_link_info and mlx5e_ext_link_info have holes
e.g. Azure mlx5 reports PTYS 19. Do not return it unless speed
is retrieved successfully.

Fixes: 65a5d35571 ("net/mlx5: Refactor link speed handling with mlx5_link_info struct")
Suggested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Li Tian <litian@redhat.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250910003732.5973-1-litian@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11 18:07:42 -07:00
Samiullah Khawaja
247981eecd net: Use NAPI_* in test_bit when stopping napi kthread
napi_stop_kthread waits for the NAPI_STATE_SCHED_THREADED to be unset
before stopping the kthread. But it uses test_bit with the
NAPIF_STATE_SCHED_THREADED and that might stop the kthread early before
the flag is unset.

Use the NAPI_* variant of the NAPI state bits in test_bit instead.

Tested:
 ./tools/testing/selftests/net/nl_netdev.py
 TAP version 13
 1..7
 ok 1 nl_netdev.empty_check
 ok 2 nl_netdev.lo_check
 ok 3 nl_netdev.page_pool_check
 ok 4 nl_netdev.napi_list_check
 ok 5 nl_netdev.dev_set_threaded
 ok 6 nl_netdev.napi_set_threaded
 ok 7 nl_netdev.nsim_rxq_reset_down
 # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0

 ./tools/testing/selftests/drivers/net/napi_threaded.py
 TAP version 13
 1..2
 ok 1 napi_threaded.change_num_queues
 ok 2 napi_threaded.enable_dev_threaded_disable_napi_threaded
 # Totals: pass:2 fail:0 xfail:0 xpass:0 skip:0 error:0

Fixes: 689883de94 ("net: stop napi kthreads when THREADED napi is disabled")
Signed-off-by: Samiullah Khawaja <skhawaja@google.com>
Link: https://patch.msgid.link/20250910203716.1016546-1-skhawaja@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11 17:52:42 -07:00
Dave Airlie
9a3f210737 - Don't touch survivability_mode on fini (Michal)
- Fixes around eviction and suspend (Thomas)
 - Extend Wa_13011645652 to PTL-H, WCL (Julia)
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Merge tag 'drm-xe-fixes-2025-09-11' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

- Don't touch survivability_mode on fini (Michal)
- Fixes around eviction and suspend (Thomas)
- Extend Wa_13011645652 to PTL-H, WCL (Julia)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/aMLq7QlaEPHGKXKX@intel.com
2025-09-12 09:44:07 +10:00
Linus Torvalds
320475fbd5 SPI NAND fix:
- Wrong OOB layout for Winbond W25N01JW SPI NAND devices
 
 Raw NAND fixes:
 - Atmel raw NAND controller timings
 - Buffer handling in stm32_fmc2 driver
 - Error handling in Nuvoton's driver
 
 MTD devices fixes:
 - Wrong depends-on dependencies on the Intel DRM driver
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Merge tag 'mtd/fixes-for-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd fixes from Miquel Raynal:
 "SPI NAND fix:
   - Wrong OOB layout for Winbond W25N01JW SPI NAND devices

  Raw NAND fixes:
   - Atmel raw NAND controller timings
   - Buffer handling in stm32_fmc2 driver
   - Error handling in Nuvoton's driver

  MTD devices fixes:
   - Wrong depends-on dependencies on the Intel DRM driver

* tag 'mtd/fixes-for-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: spinand: winbond: Fix oob_layout for W25N01JW
  mtd: nand: raw: atmel: Respect tAR, tCLR in read setup timing
  mtd: rawnand: stm32_fmc2: fix ECC overwrite
  mtd: rawnand: stm32_fmc2: avoid overlapping mappings on ECC buffer
  mtd: rawnand: nuvoton: Fix an error handling path in ma35_nand_chips_init()
  mtd: MTD_INTEL_DG should depend on DRM_I915 or DRM_XE
2025-09-11 16:35:06 -07:00
Dave Airlie
dab1f85526 A maintainer update, an out-of-bound check for panthor and a revert for
nouveau to fix a race.
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Merge tag 'drm-misc-fixes-2025-09-11' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes

A maintainer update, an out-of-bound check for panthor and a revert for
nouveau to fix a race.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <mripard@redhat.com>
Link: https://lore.kernel.org/r/20250911-glistening-uakari-of-serendipity-06ceb1@houat
2025-09-12 09:34:48 +10:00
Dave Airlie
f2c8bbb6e9 Mediatek DRM Fixes - 20250910
1. fix potential OF node use-after-free
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Merge tag 'mediatek-drm-fixes-20250910' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes - 20250910

1. fix potential OF node use-after-free

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://lore.kernel.org/r/20250910231813.3526-1-chunkuang.hu@kernel.org
2025-09-12 09:31:27 +10:00
Dave Airlie
1d00adb873 amd-drm-fixes-6.17-2025-09-10:
amdgpu:
 - PSP 11.x fix
 - DPCD quirk handing fix
 - DCN 3.5 PG fix
 - Audio suspend fix
 - OEM i2c clean up fix
 - Module unload memory leak fix
 - DC delay fix
 - ISP firmware fix
 - VCN fixes
 
 amdkfd:
 - P2P topology fix
 - APU mem limit calculation fix
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Merge tag 'amd-drm-fixes-6.17-2025-09-10' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.17-2025-09-10:

amdgpu:
- PSP 11.x fix
- DPCD quirk handing fix
- DCN 3.5 PG fix
- Audio suspend fix
- OEM i2c clean up fix
- Module unload memory leak fix
- DC delay fix
- ISP firmware fix
- VCN fixes

amdkfd:
- P2P topology fix
- APU mem limit calculation fix

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250910162855.2507853-1-alexander.deucher@amd.com
2025-09-12 09:24:57 +10:00
Dave Airlie
467360e295 Merge tag 'drm-intel-fixes-2025-09-10' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Fix size for for_each_set_bit() in abox iteration [display] (Jani Nikula)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tursulin@igalia.com>
Link: https://lore.kernel.org/r/aMFUtRdJ46qK-EXl@linux
2025-09-12 09:21:20 +10:00
Dave Airlie
2c38074c36 - Add drm-rust tree to MAINTAINERS
- Require CONFIG_64BIT for Nova
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Merge tag 'drm-rust-fixes-2025-09-05' of https://gitlab.freedesktop.org/drm/rust/kernel into drm-fixes

- Add drm-rust tree to MAINTAINERS
- Require CONFIG_64BIT for Nova

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/aLquN1YvdyI_6PJS@google.com
2025-09-12 09:05:42 +10:00
Danilo Krummrich
f6d2900f28 MAINTAINERS: Update the DMA Rust entry
Update the DMA Rust maintainers entry in the following two aspects:

  (1) Change Abdiel's entry to 'Reviewer'.

  (2) Take patches through the driver-core tree.

Abdiel won't do any more maintainer work on the DMA (or scatterlist)
infrastructure, but he'd like to be kept in the loop, hence change is
entry to 'R:'.

Analogous to [1], the DMA (and scatterlist) helpers are closely coupled
with the core device infrastructure and the device lifecycle, hence take
patches through the driver-core tree by default.

Cc: Abdiel Janulgue <abdiel.janulgue@gmail.com>
Link: https://lore.kernel.org/r/20250725202840.2251768-1-ojeda@kernel.org [1]
Acked-by: Abdiel Janulgue <abdiel.janulgue@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
2025-09-11 22:09:22 +02:00
Gao Xiang
1fcf686def erofs: fix long xattr name prefix placement
Currently, xattr name prefixes are forcibly placed into the packed
inode if the fragments feature is enabled, and users have no option
to put them in plain form directly on disk.

This is inflexible. First, as mentioned above, users should be able
to store unwrapped long xattr name prefixes unconditionally
(COMPAT_PLAIN_XATTR_PFX). Second, since we now have the new metabox
inode to store metadata, it should be used when available instead
of the packed inode.

Fixes: 414091322c ("erofs: implement metadata compression")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2025-09-12 03:37:07 +08:00
Shenghao Ding
b0035df56d ALSA: hda/tas2781: Fix a potential race condition that causes a NULL pointer in case no efi.get_variable exsits
A a potential race condition reported by one of my customers that leads to
a NULL pointer dereference, where the call to efi.get_variable should be
guarded with efi_rt_services_supported() to ensure that function exists.

Fixes: 4fe2385134 ("ALSA: hda/tas2781: Move and unified the calibrated-data getting function for SPI and I2C into the tas2781_hda lib")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-09-11 18:11:17 +02:00
Linus Torvalds
db87bd2ad1 Including fixes from CAN, netfilter and wireless.
We have an IPv6 routing regression with the relevant fix still
 a WiP. This v2 includes a last-minute revert to avoid more
 problems.
 
 Current release - new code bugs:
 
   - wifi: nl80211: completely disable per-link stats for now
 
 Previous releases - regressions:
 
   - dev_ioctl: take ops lock in hwtstamp lower paths
 
   - netfilter:
     - fix spurious set lookup failures
     - fix lockdep splat due to missing annotation
 
   - genetlink: fix genl_bind() invoking bind() after -EPERM
 
   - phy: transfer phy_config_inband() locking responsibility to phylink
 
   - can: xilinx_can: fix use-after-free of transmitted SKB
 
   - hsr: fix lock warnings
 
   - eth: igb: fix NULL pointer dereference in ethtool loopback test
 
   - eth: i40e: fix Jumbo Frame support after iPXE boot
 
   - eth: macsec: sync features on RTM_NEWLINK
 
 Previous releases - always broken:
 
   - tunnels: reset the GSO metadata before reusing the skb
 
   - mptcp: make sync_socket_options propagate SOCK_KEEPOPEN
 
   - can: j1939: implement NETDEV_UNREGISTER notification hanidler
 
   - wifi: ath12k: fix WMI TLV header misalignment
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from CAN, netfilter and wireless.

  We have an IPv6 routing regression with the relevant fix still a WiP.
  This includes a last-minute revert to avoid more problems.

  Current release - new code bugs:

   - wifi: nl80211: completely disable per-link stats for now

  Previous releases - regressions:

   - dev_ioctl: take ops lock in hwtstamp lower paths

   - netfilter:
       - fix spurious set lookup failures
       - fix lockdep splat due to missing annotation

   - genetlink: fix genl_bind() invoking bind() after -EPERM

   - phy: transfer phy_config_inband() locking responsibility to phylink

   - can: xilinx_can: fix use-after-free of transmitted SKB

   - hsr: fix lock warnings

   - eth:
       - igb: fix NULL pointer dereference in ethtool loopback test
       - i40e: fix Jumbo Frame support after iPXE boot
       - macsec: sync features on RTM_NEWLINK

  Previous releases - always broken:

   - tunnels: reset the GSO metadata before reusing the skb

   - mptcp: make sync_socket_options propagate SOCK_KEEPOPEN

   - can: j1939: implement NETDEV_UNREGISTER notification hanidler

   - wifi: ath12k: fix WMI TLV header misalignment"

* tag 'net-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits)
  Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups"
  hsr: hold rcu and dev lock for hsr_get_port_ndev
  hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr
  hsr: use rtnl lock when iterating over ports
  wifi: nl80211: completely disable per-link stats for now
  net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups
  net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info
  MAINTAINERS: add Phil as netfilter reviewer
  netfilter: nf_tables: restart set lookup on base_seq change
  netfilter: nf_tables: make nft_set_do_lookup available unconditionally
  netfilter: nf_tables: place base_seq in struct net
  netfilter: nft_set_rbtree: continue traversal if element is inactive
  netfilter: nft_set_pipapo: don't check genbit from packetpath lookups
  netfilter: nft_set_bitmap: fix lockdep splat due to missing annotation
  can: rcar_can: rcar_can_resume(): fix s2ram with PSCI
  can: xilinx_can: xcan_write_frame(): fix use-after-free of transmitted SKB
  can: j1939: j1939_local_ecu_get(): undo increment when j1939_local_ecu_get() fails
  can: j1939: j1939_sk_bind(): call j1939_priv_put() immediately when j1939_local_ecu_get() failed
  can: j1939: implement NETDEV_UNREGISTER notification handler
  selftests: can: enable CONFIG_CAN_VCAN as a module
  ...
2025-09-11 08:54:42 -07:00
Linus Torvalds
e59a039119 s390 fixes for 6.17-rc6
- ptep_modify_prot_start() may be called in a loop, which might lead
   to the preempt_count overflow due to the unnecessary preemption
   disabling. Do not disable preemption to prevent the overflow
 
 - Events of type PERF_TYPE_HARDWARE are not tested for sampling and
   return -EOPNOTSUPP eventually. Instead, deny all sampling events by
   CPUMF counter facility and return -ENOENT to allow other PMUs to be
   tried
 
 - The PAI PMU driver returns -EINVAL if an event out of its range.
   That aborts a search for an alternative PMU driver. Instead, return
   -ENOENT to allow other PMUs to be tried
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Merge tag 's390-6.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Alexander Gordeev:

 - ptep_modify_prot_start() may be called in a loop, which might lead to
   the preempt_count overflow due to the unnecessary preemption
   disabling. Do not disable preemption to prevent the overflow

 - Events of type PERF_TYPE_HARDWARE are not tested for sampling and
   return -EOPNOTSUPP eventually.

   Instead, deny all sampling events by CPUMF counter facility and
   return -ENOENT to allow other PMUs to be tried

 - The PAI PMU driver returns -EINVAL if an event out of its range. That
   aborts a search for an alternative PMU driver.

   Instead, return -ENOENT to allow other PMUs to be tried

* tag 's390-6.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/cpum_cf: Deny all sampling events by counter PMU
  s390/pai: Deny all events not handled by this PMU
  s390/mm: Prevent possible preempt_count overflow
2025-09-11 08:46:30 -07:00
Linus Torvalds
a1228f048a Power management fixes for 6.17-rc6
- Restore a pm_restrict_gfp_mask() call in hibernation_snapshot() that
    was removed incorrectly during the 6.16 development cycle (Rafael
    Wysocki)
 
  - Introduce a function for registering a perf domain without triggering
    a system-wide CPU capacity update and make the intel_pstate driver
    use it to avoid reocurring unsuccessful attempts to update capacities
    of all CPUs in the system (Rafael Wysocki)
 
  - Fix setting of CPPC.min_perf in the active mode with performance
    governor in the amd-pstate driver to restore its expected behavior
    changed recently (Gautham Shenoy)
 
  - Avoid mistakenly setting EPP to 0 in the amd-pstate driver after
    system resume as a result of recent code changes (Mario Limonciello)
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Merge tag 'pm-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix a nasty hibernation regression introduced during the 6.16
  cycle, an issue related to energy model management occurring on Intel
  hybrid systems where some CPUs are offline to start with, and two
  regressions in the amd-pstate driver:

   - Restore a pm_restrict_gfp_mask() call in hibernation_snapshot()
     that was removed incorrectly during the 6.16 development cycle
     (Rafael Wysocki)

   - Introduce a function for registering a perf domain without
     triggering a system-wide CPU capacity update and make the
     intel_pstate driver use it to avoid reocurring unsuccessful
     attempts to update capacities of all CPUs in the system (Rafael
     Wysocki)

   - Fix setting of CPPC.min_perf in the active mode with performance
     governor in the amd-pstate driver to restore its expected behavior
     changed recently (Gautham Shenoy)

   - Avoid mistakenly setting EPP to 0 in the amd-pstate driver after
     system resume as a result of recent code changes (Mario
     Limonciello)"

* tag 'pm-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: hibernate: Restrict GFP mask in hibernation_snapshot()
  PM: EM: Add function for registering a PD without capacity update
  cpufreq/amd-pstate: Fix a regression leading to EPP 0 after resume
  cpufreq/amd-pstate: Fix setting of CPPC.min_perf in active mode for performance governor
2025-09-11 08:11:16 -07:00
Linus Torvalds
b10c31b70b for-6.17-rc5-tag
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Merge tag 'for-6.17-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - fix delayed inode tracking in xarray, eviction can race with
   insertion and leave behind a disconnected inode

 - on systems with large page (64K) and small block size (4K) fix
   compression read that can return partially filled folio

 - slightly relax compression option format for backward compatibility,
   allow to specify level for LZO although there's only one

 - fix simple quota accounting of compressed extents

 - validate minimum device size in 'device add'

 - update maintainers' entry

* tag 'for-6.17-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: don't allow adding block device of less than 1 MB
  MAINTAINERS: update btrfs entry
  btrfs: fix subvolume deletion lockup caused by inodes xarray race
  btrfs: fix corruption reading compressed range when block size is smaller than page size
  btrfs: accept and ignore compression level for lzo
  btrfs: fix squota compressed stats leak
2025-09-11 08:01:18 -07:00
Linus Torvalds
02ffd6f89c bpf-fixes
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Alexei Starovoitov:
 "A number of fixes accumulated due to summer vacations

   - Fix out-of-bounds dynptr write in bpf_crypto_crypt() kfunc which
     was misidentified as a security issue (Daniel Borkmann)

   - Update the list of BPF selftests maintainers (Eduard Zingerman)

   - Fix selftests warnings with icecc compiler (Ilya Leoshkevich)

   - Disable XDP/cpumap direct return optimization (Jesper Dangaard
     Brouer)

   - Fix unexpected get_helper_proto() result in unusual configuration
     BPF_SYSCALL=y and BPF_EVENTS=n (Jiri Olsa)

   - Allow fallback to interpreter when JIT support is limited (KaFai
     Wan)

   - Fix rqspinlock and choose trylock fallback for NMI waiters. Pick
     the simplest fix. More involved fix is targeted bpf-next (Kumar
     Kartikeya Dwivedi)

   - Fix cleanup when tcp_bpf_send_verdict() fails to allocate
     psock->cork (Kuniyuki Iwashima)

   - Disallow bpf_timer in PREEMPT_RT for now. Proper solution is being
     discussed for bpf-next. (Leon Hwang)

   - Fix XSK cq descriptor production (Maciej Fijalkowski)

   - Tell memcg to use allow_spinning=false path in bpf_timer_init() to
     avoid lockup in cgroup_file_notify() (Peilin Ye)

   - Fix bpf_strnstr() to handle suffix match cases (Rong Tao)"

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: Skip timer cases when bpf_timer is not supported
  bpf: Reject bpf_timer for PREEMPT_RT
  tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork.
  bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
  bpf: Allow fall back to interpreter for programs with stack size <= 512
  rqspinlock: Choose trylock fallback for NMI waiters
  xsk: Fix immature cq descriptor production
  bpf: Update the list of BPF selftests maintainers
  selftests/bpf: Add tests for bpf_strnstr
  selftests/bpf: Fix "expression result unused" warnings with icecc
  bpf: Fix bpf_strnstr() to handle suffix match cases better
  selftests/bpf: Extend crypto_sanity selftest with invalid dst buffer
  bpf: Fix out-of-bounds dynptr write in bpf_crypto_crypt
  bpf: Check the helper function is valid in get_helper_proto
  bpf, cpumap: Disable page_pool direct xdp_return need larger scope
2025-09-11 07:54:16 -07:00
Paolo Abeni
63a796558b Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups"
This reverts commit 5537a46794 ("net: usb: asix: ax88772: drop
phylink use in PM to avoid MDIO runtime PM wakeups"), it breaks
operation of asix ethernet usb dongle after system suspend-resume
cycle.

Link: https://lore.kernel.org/all/b5ea8296-f981-445d-a09a-2f389d7f6fdd@samsung.com/
Fixes: 5537a46794 ("net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/2945b9dbadb8ee1fee058b19554a5cb14f1763c1.1757601118.git.pabeni@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11 16:46:04 +02:00
Rafael J. Wysocki
bddce1c7a5 Merge branches 'pm-sleep' and 'pm-em'
Merge a hibernation regression fix and an fix related to energy model
management for 6.17-rc6

* pm-sleep:
  PM: hibernate: Restrict GFP mask in hibernation_snapshot()

* pm-em:
  PM: EM: Add function for registering a PD without capacity update
2025-09-11 14:22:35 +02:00
Paolo Abeni
62e1de1d33 Some more fixes:
- iwlwifi: fix 130/1030 devices
  - ath12k: fix alignment, power save
  - virt_wifi: fix crash
  - cfg80211: disable per-link stats due
              to buffer size issues
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Merge tag 'wireless-2025-09-11' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Johannes Berg says:

====================
Some more fixes:
 - iwlwifi: fix 130/1030 devices
 - ath12k: fix alignment, power save
 - virt_wifi: fix crash
 - cfg80211: disable per-link stats due
             to buffer size issues

* tag 'wireless-2025-09-11' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
  wifi: nl80211: completely disable per-link stats for now
  wifi: virt_wifi: Fix page fault on connect
  wifi: cfg80211: Fix "no buffer space available" error in nl80211_get_station() for MLO
  wifi: iwlwifi: fix 130/1030 configs
  wifi: ath12k: fix WMI TLV header misalignment
  wifi: ath12k: Fix missing station power save configuration
====================

Link: https://patch.msgid.link/20250911100345.20025-3-johannes@sipsolutions.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11 12:49:53 +02:00
Ulf Hansson
303010f465 pmdomain: renesas: rmobile-sysc: Don't keep unused PM domains powered-on
The recent changes to genpd makes a genpd OF provider that is powered-on at
initialization to stay powered-on, until the ->sync_state() callback is
invoked for it.

This may not happen at all, if we wait for a consumer device to be probed,
leading to wasting energy. There are ways to enforce the ->sync_state()
callback to be invoked, through sysfs or via the probe-defer-timeout, but
none of them in its current form are a good fit for rmobile-sysc PM
domains.

Let's therefore opt-out from this behaviour of genpd for now, by using the
GENPD_FLAG_NO_STAY_ON.

Link: https://lore.kernel.org/all/20250701114733.636510-1-ulf.hansson@linaro.org/
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 0e789b491b ("pmdomain: core: Leave powered-on genpds on until sync_state")
Fixes: 13a4b7fb62 ("pmdomain: core: Leave powered-on genpds on until late_initcall_sync")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-11 12:36:55 +02:00
Ulf Hansson
d929e42dea pmdomain: renesas: rcar-gen4-sysc: Don't keep unused PM domains powered-on
The recent changes to genpd makes a genpd OF provider that is powered-on at
initialization to stay powered-on, until the ->sync_state() callback is
invoked for it.

This may not happen at all, if we wait for a consumer device to be probed,
leading to wasting energy. There are ways to enforce the ->sync_state()
callback to be invoked, through sysfs or via the probe-defer-timeout, but
none of them in its current form are a good fit for rcar-gen4-sysc PM
domains.

Let's therefore opt-out from this behaviour of genpd for now, by using the
GENPD_FLAG_NO_STAY_ON.

Link: https://lore.kernel.org/all/20250701114733.636510-1-ulf.hansson@linaro.org/
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 0e789b491b ("pmdomain: core: Leave powered-on genpds on until sync_state")
Fixes: 13a4b7fb62 ("pmdomain: core: Leave powered-on genpds on until late_initcall_sync")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-11 12:36:50 +02:00
Ulf Hansson
36bbaec460 pmdomain: renesas: rcar-sysc: Don't keep unused PM domains powered-on
The recent changes to genpd makes a genpd OF provider that is powered-on at
initialization to stay powered-on, until the ->sync_state() callback is
invoked for it.

This may not happen at all, if we wait for a consumer device to be probed,
leading to wasting energy. There are ways to enforce the ->sync_state()
callback to be invoked, through sysfs or via the probe-defer-timeout, but
none of them in its current form are a good fit for rcar-sysc PM domains.

Let's therefore opt-out from this behaviour of genpd for now, by using the
GENPD_FLAG_NO_STAY_ON.

Link: https://lore.kernel.org/all/20250701114733.636510-1-ulf.hansson@linaro.org/
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 0e789b491b ("pmdomain: core: Leave powered-on genpds on until sync_state")
Fixes: 13a4b7fb62 ("pmdomain: core: Leave powered-on genpds on until late_initcall_sync")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-11 12:36:43 +02:00
Ulf Hansson
2bc12a8199 pmdomain: rockchip: Fix regulator dependency with GENPD_FLAG_NO_STAY_ON
The deferred regulator retrieval for Rockchip PM domains are causing some
weird dependencies. More precisely, if the power-domain is powered-on from
the HW perspective, its corresponding regulator must not be powered-off via
regulator_init_complete(), which is a late_initcall_sync.

Even on platforms that don't have the domain-supply regulator specified for
the power-domain provider, may suffer from these problems.

More precisely, things just happen to work before, because
genpd_power_off_unused() (also a late_initcall_sync) managed to power-off
the PM domain before regulator_init_complete() powered-off the regulator.

Ideally this fragile dependency must be fixed properly for the Rockchip PM
domains, but until then, let's fallback to the previous behaviour by using
the GENPD_FLAG_NO_STAY_ON flag.

Link: https://lore.kernel.org/all/20250902-rk3576-lockup-regression-v1-1-c4a0c9daeb00@collabora.com/
Reported-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Sebastian Reichel <sebastian.reichel@collabora.com>
Fixes: 0e789b491b ("pmdomain: core: Leave powered-on genpds on until sync_state")
Fixes: 13a4b7fb62 ("pmdomain: core: Leave powered-on genpds on until late_initcall_sync")
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-11 12:36:34 +02:00
Ulf Hansson
002ebddd69 pmdomain: core: Restore behaviour for disabling unused PM domains
Recent changes to genpd prevents those PM domains being powered-on during
initialization from being powered-off during the boot sequence. Based upon
whether CONFIG_PM_CONFIG_PM_GENERIC_DOMAINS_OF is set of not, genpd relies
on the sync_state mechanism or the genpd_power_off_unused() (which is a
late_initcall_sync), to understand when it's okay to allow these PM domains
to be powered-off.

This new behaviour in genpd has lead to problems on different platforms.
Let's therefore restore the behavior of genpd_power_off_unused().
Moreover, let's introduce GENPD_FLAG_NO_STAY_ON, to allow genpd OF
providers to opt-out from the new behaviour.

Link: https://lore.kernel.org/all/20250701114733.636510-1-ulf.hansson@linaro.org/
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/all/20250902-rk3576-lockup-regression-v1-1-c4a0c9daeb00@collabora.com/
Reported-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Fixes: 0e789b491b ("pmdomain: core: Leave powered-on genpds on until sync_state")
Fixes: 13a4b7fb62 ("pmdomain: core: Leave powered-on genpds on until late_initcall_sync")
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2025-09-11 12:36:14 +02:00
Paolo Abeni
9b1fbd3539 Merge branch 'hsr-fix-lock-warnings'
Hangbin Liu says:

====================
hsr: fix lock warnings

hsr_for_each_port is called in many places without holding the RCU read
lock, this may trigger warnings on debug kernels like:

  [   40.457015] [  T201] WARNING: suspicious RCU usage
  [   40.457020] [  T201] 6.17.0-rc2-virtme #1 Not tainted
  [   40.457025] [  T201] -----------------------------
  [   40.457029] [  T201] net/hsr/hsr_main.c:137 RCU-list traversed in non-reader section!!
  [   40.457036] [  T201]
                          other info that might help us debug this:

  [   40.457040] [  T201]
                          rcu_scheduler_active = 2, debug_locks = 1
  [   40.457045] [  T201] 2 locks held by ip/201:
  [   40.457050] [  T201]  #0: ffffffff93040a40 (&ops->srcu){.+.+}-{0:0}, at: rtnl_link_ops_get+0xf2/0x280
  [   40.457080] [  T201]  #1: ffffffff92e7f968 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5e1/0xb20
  [   40.457102] [  T201]
                          stack backtrace:
  [   40.457108] [  T201] CPU: 2 UID: 0 PID: 201 Comm: ip Not tainted 6.17.0-rc2-virtme #1 PREEMPT(full)
  [   40.457114] [  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  [   40.457117] [  T201] Call Trace:
  [   40.457120] [  T201]  <TASK>
  [   40.457126] [  T201]  dump_stack_lvl+0x6f/0xb0
  [   40.457136] [  T201]  lockdep_rcu_suspicious.cold+0x4f/0xb1
  [   40.457148] [  T201]  hsr_port_get_hsr+0xfe/0x140
  [   40.457158] [  T201]  hsr_add_port+0x192/0x940
  [   40.457167] [  T201]  ? __pfx_hsr_add_port+0x10/0x10
  [   40.457176] [  T201]  ? lockdep_init_map_type+0x5c/0x270
  [   40.457189] [  T201]  hsr_dev_finalize+0x4bc/0xbf0
  [   40.457204] [  T201]  hsr_newlink+0x3c3/0x8f0
  [   40.457212] [  T201]  ? __pfx_hsr_newlink+0x10/0x10
  [   40.457222] [  T201]  ? rtnl_create_link+0x173/0xe40
  [   40.457233] [  T201]  rtnl_newlink_create+0x2cf/0x750
  [   40.457243] [  T201]  ? __pfx_rtnl_newlink_create+0x10/0x10
  [   40.457247] [  T201]  ? __dev_get_by_name+0x12/0x50
  [   40.457252] [  T201]  ? rtnl_dev_get+0xac/0x140
  [   40.457259] [  T201]  ? __pfx_rtnl_dev_get+0x10/0x10
  [   40.457285] [  T201]  __rtnl_newlink+0x22c/0xa50
  [   40.457305] [  T201]  rtnl_newlink+0x637/0xb20

Adding rcu_read_lock() for all hsr_for_each_port() looks confusing.

Introduce a new helper, hsr_for_each_port_rtnl(), that assumes the
RTNL lock is held. This allows callers in suitable contexts to iterate
ports safely without explicit RCU locking.

Other code paths that rely on RCU protection continue to use
hsr_for_each_port() with rcu_read_lock().
====================

Link: https://patch.msgid.link/20250905091533.377443-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11 11:49:29 +02:00
Hangbin Liu
847748fc66 hsr: hold rcu and dev lock for hsr_get_port_ndev
hsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock.
On the other hand, before return the port device, we need to hold the
device reference to avoid UaF in the caller function.

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Fixes: 9c10dd8eed ("net: hsr: Create and export hsr_get_port_ndev()")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250905091533.377443-4-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11 11:49:19 +02:00
Hangbin Liu
393c841fe4 hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr
hsr_port_get_hsr() iterates over ports using hsr_for_each_port(),
but many of its callers do not hold the required RCU lock.

Switch to hsr_for_each_port_rtnl(), since most callers already hold
the rtnl lock. After review, all callers are covered by either the rtnl
lock or the RCU lock, except hsr_dev_xmit(). Fix this by adding an
RCU read lock there.

Fixes: c5a7591172 ("net/hsr: Use list_head (and rcu) instead of array for slave devices.")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250905091533.377443-3-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11 11:49:19 +02:00
Hangbin Liu
8884c69399 hsr: use rtnl lock when iterating over ports
hsr_for_each_port is called in many places without holding the RCU read
lock, this may trigger warnings on debug kernels. Most of the callers
are actually hold rtnl lock. So add a new helper hsr_for_each_port_rtnl
to allow callers in suitable contexts to iterate ports safely without
explicit RCU locking.

This patch only fixed the callers that is hold rtnl lock. Other caller
issues will be fixed in later patches.

Fixes: c5a7591172 ("net/hsr: Use list_head (and rcu) instead of array for slave devices.")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250905091533.377443-2-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11 11:49:19 +02:00
Johannes Berg
c3f8d13357 wifi: nl80211: completely disable per-link stats for now
After commit 8cc71fc3b8 ("wifi: cfg80211: Fix "no buffer
space available" error in nl80211_get_station() for MLO"),
the per-link data is only included in station dumps, where
the size limit is somewhat less of an issue. However, it's
still an issue, depending on how many links a station has
and how much per-link data there is. Thus, for now, disable
per-link statistics entirely.

A complete fix will need to take this into account, make it
opt-in by userspace, and change the dump format to be able
to split a single station's data across multiple netlink
dump messages, which all together is too much development
for a fix.

Fixes: 82d7f841d9 ("wifi: cfg80211: extend to embed link level statistics in NL message")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-09-11 08:50:31 +02:00
Linus Torvalds
4f553c1e2c 20 hotfixes. 15 are cc:stable and the remainder address post-6.16 issues
or aren't considered necessary for -stable kernels.  14 of these fixes are
 for MM.
 
 This includes
 
 - a 3-patch kexec series from Breno that fixes a recently introduced
   use-uninitialized bug,
 
 - e 2-patch DAMON series from Quanmin Yan that avoids div-by-zero
   crashes which can occur if the operator uses poorly-chosen insmod
   parameters.
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Merge tag 'mm-hotfixes-stable-2025-09-10-20-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "20 hotfixes. 15 are cc:stable and the remainder address post-6.16
  issues or aren't considered necessary for -stable kernels. 14 of these
  fixes are for MM.

  This includes

   - kexec fixes from Breno for a recently introduced
     use-uninitialized bug

   - DAMON fixes from Quanmin Yan to avoid div-by-zero crashes
     which can occur if the operator uses poorly-chosen insmod
     parameters

   and misc singleton fixes"

* tag 'mm-hotfixes-stable-2025-09-10-20-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  MAINTAINERS: add tree entry to numa memblocks and emulation block
  mm/damon/sysfs: fix use-after-free in state_show()
  proc: fix type confusion in pde_set_flags()
  compiler-clang.h: define __SANITIZE_*__ macros only when undefined
  mm/vmalloc, mm/kasan: respect gfp mask in kasan_populate_vmalloc()
  ocfs2: fix recursive semaphore deadlock in fiemap call
  mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory
  mm/mremap: fix regression in vrm->new_addr check
  percpu: fix race on alloc failed warning limit
  mm/memory-failure: fix redundant updates for already poisoned pages
  s390: kexec: initialize kexec_buf struct
  riscv: kexec: initialize kexec_buf struct
  arm64: kexec: initialize kexec_buf struct in load_other_segments()
  mm/damon/reclaim: avoid divide-by-zero in damon_reclaim_apply_parameters()
  mm/damon/lru_sort: avoid divide-by-zero in damon_lru_sort_apply_parameters()
  mm/damon/core: set quota->charged_from to jiffies at first charge window
  mm/hugetlb: add missing hugetlb_lock in __unmap_hugepage_range()
  init/main.c: fix boot time tracing crash
  mm/memory_hotplug: fix hwpoisoned large folio handling in do_migrate_range()
  mm/khugepaged: fix the address passed to notifier on testing young
2025-09-10 21:19:34 -07:00