Commit Graph

1398251 Commits

Author SHA1 Message Date
Guenter Roeck
8dcc66ad37 hwmon: (sht3x) Fix error handling
Handling of errors when reading status, temperature, and humidity returns
the error number as negative attribute value. Fix it up by returning
the error as return value.

Fixes: a0ac418c60 ("hwmon: (sht3x) convert some of sysfs interface to hwmon")
Cc: JuenKit Yip <JuenKit_Yip@hotmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2025-10-19 18:56:14 -07:00
Li Qiang
a09a5aa8bf hwmon: (cgbc-hwmon) Add missing NULL check after devm_kzalloc()
The driver allocates memory for sensor data using devm_kzalloc(), but
did not check if the allocation succeeded. In case of memory allocation
failure, dereferencing the NULL pointer would lead to a kernel crash.

Add a NULL pointer check and return -ENOMEM to handle allocation failure
properly.

Signed-off-by: Li Qiang <liqiang01@kylinos.cn>
Fixes: 08ebc9def7 ("hwmon: Add Congatec Board Controller monitoring driver")
Reviewed-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20251017063414.1557447-1-liqiang01@kylinos.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2025-10-19 18:56:14 -07:00
Erick Karanja
57f6f47920 hwmon: (pmbus/isl68137) Fix child node reference leak on early return
In the case of an early return, the reference to the child node needs
to be released.

Use for_each_child_of_node_scoped to fix the issue.

Fixes: 3996187f80 ("hwmon: (pmbus/isl68137) add support for voltage divider on Vout")
Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
Link: https://lore.kernel.org/r/20251012181249.359401-1-karanja99erick@gmail.com
[groeck: Updated subject/description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2025-10-19 18:56:14 -07:00
Harshit Mogalapalli
72ac148510 hwmon: (gpd-fan) Fix error handling in gpd_fan_probe()
devm_request_region() returns a NULL pointer on error, not an ERR_PTR().
Handle it accordingly.

Also fix error return from the call to devm_hwmon_device_register_with_info().

Fixes: 0ab88e2394 ("hwmon: add GPD devices sensor driver")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Cryolitia PukNgae <cryolitia@uniontech.com>
Link: https://lore.kernel.org/r/20251010204447.94343-1-harshit.m.mogalapalli@oracle.com
[groeck: Updated subject to improve readability]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2025-10-19 18:56:14 -07:00
Harshit Mogalapalli
ab0fd09d25 hwmon: (gpd-fan) Fix return value when platform_get_resource() fails
When platform_get_resource() fails it returns NULL and not an error
pointer, accordingly change the error handling.

Fixes: 0ab88e2394 ("hwmon: add GPD devices sensor driver")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Link: https://lore.kernel.org/r/20251010204359.94300-1-harshit.m.mogalapalli@oracle.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2025-10-19 18:56:14 -07:00
Alexis Czezar Torreno
41de7440e6 hwmon: (pmbus/max34440) Update adpm12160 coeff due to latest FW
adpm12160 is a dc-dc power module. The firmware was updated and the
coeeficients in the pmbus_driver_info needs to be updated. Since the
part has not yet released with older FW, this permanent change to
reflect the latest should be ok.

Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20251001-hwmon-next-v1-1-f8ca6a648203@analog.com
Fixes: 629cf8f6c2 ("hwmon: (pmbus/max34440) Add support for ADPM12160")
Cc: stable@vger.kernel.org # v6.16+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2025-10-19 18:56:14 -07:00
Srinivas Kandagatla
fdbb53d318
ASoC: qdsp6: q6asm: do not sleep while atomic
For some reason we ended up kfree between spinlock lock and unlock,
which can sleep.

move the kfree out of spinlock section.

Fixes: a2a5d30218 ("ASoC: qdsp6: q6asm: Add support to memory map and unmap")
Cc: Stable@vger.kernel.org
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Link: https://patch.msgid.link/20251017085307.4325-2-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-10-20 02:39:17 +01:00
Simon Trimmer
3bcdbc221d
ASoC: Intel: soc-acpi-intel-ptl-match: Remove cs42l43 match from sdw link3
Removing this match entry ensures that a PTL system comprising of a
cs42l43 codec on link3 will use function topologies.

Previously the behaviour would be use the monolithic topology associated
with this codec match table entry in preference to function topologies
and if the system had a number of smart amplifiers then they would not
be instantiated.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Link: https://patch.msgid.link/20251016112601.187020-1-simont@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-10-20 02:39:16 +01:00
Sharique Mohammad
bf6fb4a272
ASOC: max98090/91: fix for filter configuration: AHPF removed DMIC2_HPF added
The filter configuration register(0x26) has AHPF(bit6) for primary record
path, which is common in max98090 and max98091 and has been defined as
DAPM suppy widget as "AHPF" in
"struct snd_soc_dapm_widget max98090_dapm_widget[]".
It is the DC-Blocking filter for the primary record path.
But the same functionality for secondary record path in the configuration
register(0x26) is DMIC2_HPF(bit2). It is not present as a DAPM supply
widget in the current code. With this patch adding it as a DAPM supply
widget. In the current code, the mics on secondary record path in
code are named as "DMIC3" and "DMIC4", so accordingly naming
DMIC2_HPF(bit2) as "DMIC34_HPF", and declaring it as a DAPM supply
widget in "struct snd_soc_dapm_widget max98091_dapm_widget[]". Also it
is specific to max98091, and should be visible or working only when
max98091 codec chip is used. Therefore, written in
"max98091_dapm_widget[]". As "AHPF" is not part
of secondary record path, replacing it with "DMIC34_HPF" in the
ALSA routes to "DMIC3" and "DMIC4" in "max98091_dapm_routes[]".

Signed-off-by: Sharique Mohammad <sharq0406@gmail.com>
Link: https://patch.msgid.link/20251016151152.1107083-1-sharq0406@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-10-20 02:39:16 +01:00
Simon Trimmer
ef30cb1304
ASoC: amd: acp: Add ACP7.0 match entries for cs35l56 and cs42l43
This adds some match entries for a few system configurations:

cs42l43 link 0 UID 0
cs35l56 link 1 UID 0
cs35l56 link 1 UID 1
cs35l56 link 1 UID 2
cs35l56 link 1 UID 3

cs42l43 link 1 UID 0
cs35l56 link 1 UID 0
cs35l56 link 1 UID 1
cs35l56 link 1 UID 2
cs35l56 link 1 UID 3

cs35l56 link 1 UID 0
cs35l56 link 1 UID 1
cs35l56 link 1 UID 2
cs35l56 link 1 UID 3

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Link: https://patch.msgid.link/20251016150837.320886-1-simont@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-10-20 02:39:15 +01:00
Richard Fitzgerald
ec20584f25
ASoC: cs-amp-lib-test: Fix missing include of kunit/test-bug.h
cs-amp-lib-test uses functions from kunit/test-bug.h but wasn't
including it.

This error was found by smatch.

Fixes: 177862317a ("ASoC: cs-amp-lib: Add KUnit test for calibration helpers")
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20251016094844.92796-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-10-20 02:39:14 +01:00
Simon Trimmer
248adfe32b
ASoC: cs530x: Correct log message with expected variable
The function used one parameter for the switch statement, but logged a
different parameter when it defaulted.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://patch.msgid.link/20251017161543.214235-2-vitalyr@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-10-20 02:38:06 +01:00
Linus Torvalds
211ddde082 Linux 6.18-rc2 2025-10-19 15:19:16 -10:00
Linus Torvalds
d9043c79ba - Make sure the check for lost pelt idle time is done unconditionally to
have correct lost idle time accounting
 
 - Stop the deadline server task before a CPU goes offline
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Merge tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Borislav Petkov:

 - Make sure the check for lost pelt idle time is done unconditionally
   to have correct lost idle time accounting

 - Stop the deadline server task before a CPU goes offline

* tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix pelt lost idle time detection
  sched/deadline: Stop dl_server before CPU goes offline
2025-10-19 04:59:43 -10:00
Linus Torvalds
343b4b44a1 - Make sure perf reporting works correctly in setups using overlayfs or FUSE
- Move the uprobe optimization to a better location logically
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Merge tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Borislav Petkov:

 - Make sure perf reporting works correctly in setups using
   overlayfs or FUSE

 - Move the uprobe optimization to a better location logically

* tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Fix MMAP2 event device with backing files
  perf/core: Fix MMAP event path names with backing files
  perf/core: Fix address filter match with backing files
  uprobe: Move arch_uprobe_optimize right after handlers execution
2025-10-19 04:54:08 -10:00
Linus Torvalds
c7864eeaa4 - Reset the why-the-system-rebooted register on AMD to avoid stale bits
remaining from previous boots
 
 - Add a missing barrier in the TLB flushing code to prevent erroneously not
   flushing a TLB generation
 
 - Make sure cpa_flush() does not overshoot when computing the end range of
   a flush region
 
 - Fix resctrl bandwidth counting on AMD systems when the amount of monitoring
   groups created exceeds the number the hardware can track
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Merge tag 'x86_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Reset the why-the-system-rebooted register on AMD to avoid stale bits
   remaining from previous boots

 - Add a missing barrier in the TLB flushing code to prevent erroneously
   not flushing a TLB generation

 - Make sure cpa_flush() does not overshoot when computing the end range
   of a flush region

 - Fix resctrl bandwidth counting on AMD systems when the amount of
   monitoring groups created exceeds the number the hardware can track

* tag 'x86_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/CPU/AMD: Prevent reset reasons from being retained across reboot
  x86/mm: Fix SMP ordering in switch_mm_irqs_off()
  x86/mm: Fix overflow in __cpa_addr()
  x86/resctrl: Fix miscount of bandwidth event when reactivating previously unavailable RMID
2025-10-19 04:41:27 -10:00
Dan Carpenter
77e67d5daa wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()
This code frees "link" by calling kfree_rcu(link, rcu_head) and then it
dereferences "link" to get the "link->fw_id".  Save the "link->fw_id"
first to avoid a potential use after free.

Fixes: d1e879ec60 ("wifi: iwlwifi: add iwlmld sub-driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aNKCcKlbSkkS4_gO@stanley.mountain
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
2025-10-19 15:12:36 +03:00
Shuhao Fu
d8713158fa RDMA/uverbs: Fix umem release in UVERBS_METHOD_CQ_CREATE
In `UVERBS_METHOD_CQ_CREATE`, umem should be released if anything goes
wrong. Currently, if `create_cq_umem` fails, umem would not be
released or referenced, causing a possible leak.

In this patch, we release umem at `UVERBS_METHOD_CQ_CREATE`, the driver
should not release umem if it returns an error code.

Fixes: 1a40c362ae ("RDMA/uverbs: Add a common way to create CQ with umem")
Signed-off-by: Shuhao Fu <sfual@cse.ust.hk>
Link: https://patch.msgid.link/aOh1le4YqtYwj-hH@osx.local
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19 07:31:25 -04:00
Jacob Moroni
5575b7646b RDMA/irdma: Set irdma_cq cq_num field during CQ create
The driver maintains a CQ table that is used to ensure that a CQ is
still valid when processing CQ related AEs. When a CQ is destroyed,
the table entry is cleared, using irdma_cq.cq_num as the index. This
field was never being set, so it was just always clearing out entry
0.

Additionally, the cq_num field size was increased to accommodate HW
supporting more than 64K CQs.

Fixes: b48c24c2d7 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Link: https://patch.msgid.link/20250923142439.943930-1-jmoroni@google.com
Acked-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19 07:02:11 -04:00
Jacob Moroni
8d158f47f1 RDMA/irdma: Fix SD index calculation
In some cases, it is possible for pble_rsrc->next_fpm_addr to be
larger than u32, so remove the u32 cast to avoid unintentional
truncation.

This fixes the following error that can be observed when registering
massive memory regions:

[  447.227494] (NULL ib_device): cqp opcode = 0x1f maj_err_code = 0xffff min_err_code = 0x800c
[  447.227505] (NULL ib_device): [Update PE SDs Cmd Error][op_code=21] status=-5 waiting=1 completion_err=1 maj=0xffff min=0x800c

Fixes: e8c4dbc2fc ("RDMA/irdma: Add PBLE resource manager")
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Link: https://patch.msgid.link/20250923190850.1022773-1-jmoroni@google.com
Acked-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19 07:01:28 -04:00
YanLong Dai
88de89f184 RDMA/bnxt_re: Fix a potential memory leak in destroy_gsi_sqp
The current error handling path in bnxt_re_destroy_gsi_sqp() could lead
to a resource leak. When bnxt_qplib_destroy_qp() fails, the function
jumps to the 'fail' label and returns immediately, skipping the call
to bnxt_qplib_free_qp_res().

Continue the resource teardown even if bnxt_qplib_destroy_qp() fails,
which aligns with the driver's general error handling strategy and
prevents the potential leak.

Fixes: 8dae419f9e ("RDMA/bnxt_re: Refactor queue pair creation code")
Signed-off-by: YanLong Dai <daiyanlong@kylinos.cn>
Link: https://patch.msgid.link/20250924061444.11288-1-daiyanlong@kylinos.cn
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19 06:47:55 -04:00
Linus Torvalds
1c64efcb08 Rust 'rustfmt' cleanup
'rustfmt', by default, formats imports in a way that is prone to
 conflicts while merging and rebasing, since in some cases it condenses
 several items into the same line.
 
 Document in our guidelines that we will handle this for the moment with
 the trailing empty comment workaround and make the tree 'rustfmt'-clean
 again.
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Merge tag 'rust-rustfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux

Pull rustfmt fixes from Miguel Ojeda:
 "Rust 'rustfmt' cleanup

  'rustfmt', by default, formats imports in a way that is prone to
  conflicts while merging and rebasing, since in some cases it condenses
  several items into the same line.

  Document in our guidelines that we will handle this for the moment
  with the trailing empty comment workaround and make the tree
  'rustfmt'-clean again"

* tag 'rust-rustfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
  rust: bitmap: fix formatting
  rust: cpufreq: fix formatting
  rust: alloc: employ a trailing comment to keep vertical layout
  docs: rust: add section on imports formatting
2025-10-18 10:05:13 -10:00
Linus Torvalds
648937f64a Hi,
If possible, could you still pick this change for v6.18 [1]? The change in
 question  corrects the state transitions for ARM FF-A to match the spec and
 how tpm_crb behaves on other platforms.
 
 [1] https://lore.kernel.org/linux-integrity/aPN59bwcUrieMACf@kernel.org/
 
 BR, Jarkko
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Merge tag 'tpmdd-next-v6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm fix from Jarkko Sakkinen:
 "Correct the state transitions for ARM FF-A to match the spec and how
  tpm_crb behaves on other platforms"

* tag 'tpmdd-next-v6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm_crb: Add idle support for the Arm FF-A start method
2025-10-18 08:38:28 -10:00
Linus Torvalds
e67bb0da33 pci-v6.18-fixes-2
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Merge tag 'pci-v6.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fixes from Bjorn Helgaas:

 - Search for MSI Capability with correct ID to fix an MSI regression on
   platforms with Cadence IP (Hans Zhang)

 - Revert early bridge resource set up to fix resource assignment
   failures that broke at least alpha boot and Snapdragon ath12k WiFi
   (Ilpo Järvinen)

 - Implement VMD .irq_startup()/.irq_shutdown() to fix IRQ issues that
   caused boot crashes and broken devices below VMD (Inochi Amaoto)

 - Select CONFIG_SCREEN_INFO on X86 to fix black screen on boot when
   SCREEN_INFO not selected (Mario Limonciello)

* tag 'pci-v6.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  PCI/VGA: Select SCREEN_INFO on X86
  PCI: vmd: Override irq_startup()/irq_shutdown() in vmd_init_dev_msi_info()
  PCI: Revert early bridge resource set up
  PCI: cadence: Search for MSI Capability with correct ID
2025-10-18 08:35:09 -10:00
Linus Torvalds
ea0bdf2b94 cxl fixes for v6.18-rc2
- Avoid missing port component registers setup due to dport enumeration
   failure
 - Add check for no entries in cxl_feature_info to address accessing
   invalid pointer.
 - Use %pa printk format to emit resource_size_t in
   validate_region_offset()
 
 CXL extended linear cache support fixes:
 - Fix setup of memory resource in cxl_acpi_set_cache_size()
 - Set range param for region_res_match_cxl_range() as const.
   (Addresses a compile warning for match_region_by_range() fix)
 - Fix match_region_by_range() to use region_res_match_cxl_range()
 - Subtract to find an hpa_alias0 in cxl_poison events to correct
   the alias math calculation.
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Merge tag 'cxl-fixes-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull Compute Express Link fixes from Dave Jiang:
 "A small collection of CXL fixes. In addition to some misc fixes for
  the CXL subsystem, a number of fixes for CXL extended linear cache
  support are included to make it functional again.

   - Avoid missing port component registers setup due to dport
     enumeration failure

   - Add check for no entries in cxl_feature_info to address accessing
     invalid pointer.

   - Use %pa printk format to emit resource_size_t in
     validate_region_offset()

  CXL extended linear cache support fixes:

   - Fix setup of memory resource in cxl_acpi_set_cache_size()

   - Set range param for region_res_match_cxl_range() as const
     (addresses a compile warning for match_region_by_range() fix)

   - Fix match_region_by_range() to use region_res_match_cxl_range()

   - Subtract to find an hpa_alias0 in cxl_poison events to correct the
     alias math calculation"

* tag 'cxl-fixes-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/trace: Subtract to find an hpa_alias0 in cxl_poison events
  cxl/region: Use %pa printk format to emit resource_size_t
  cxl: Fix match_region_by_range() to use region_res_match_cxl_range()
  cxl: Set range param for region_res_match_cxl_range() as const
  cxl/acpi: Fix setup of memory resource in cxl_acpi_set_cache_size()
  cxl/features: Add check for no entries in cxl_feature_info
  cxl/port: Avoid missing port component registers setup
2025-10-18 08:22:07 -10:00
Linus Torvalds
2953fb6548 hid-for-linus-2025101701
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Merge tag 'hid-for-linus-2025101701' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID fixes from Jiri Kosina:

 - fix for sticky fingers handling in hid-multitouch (Benjamin
   Tissoires)

 - fix for reporting of 0 battery levels (Dmitry Torokhov)

 - build fix for hid-haptic in certain configurations (Jonathan Denose)

 - improved probe and avoiding spamming kernel log by hid-nintendo
   (Vicki Pfau)

 - fix for OOB in hid-cp2112 (Deepak Sharma)

 - interrupt handling fix for intel-thc-hid (Even Xu)

 - a couple of new device IDs and device-specific quirks

* tag 'hid-for-linus-2025101701' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: logitech-hidpp: Add HIDPP_QUIRK_RESET_HI_RES_SCROLL
  selftests/hid: add tests for missing release on the Dell Synaptics
  HID: multitouch: fix sticky fingers
  HID: multitouch: fix name of Stylus input devices
  HID: hid-input: only ignore 0 battery events for digitizers
  HID: hid-debug: Fix spelling mistake "Rechargable" -> "Rechargeable"
  HID: Kconfig: Fix build error from CONFIG_HID_HAPTIC
  HID: nintendo: Rate limit IMU compensation message
  HID: nintendo: Wait longer for initial probe
  HID: core: Add printk_ratelimited variants to hid_warn() etc
  HID: quirks: Add ALWAYS_POLL quirk for VRS R295 steering wheel
  HID: quirks: avoid Cooler Master MM712 dongle wakeup bug
  HID: cp2112: Add parameter validation to data length
  HID: intel-thc-hid: intel-quickspi: Add ARL PCI Device Id's
  HID: intel-thc-hid: Intel-quickspi: switch first interrupt from level to edge detection
  HID: intel-thc-hid: intel-quicki2c: Fix wrong type casting
2025-10-18 08:18:18 -10:00
Roy Vegard Ovesen
7963891f7c ALSA: usb-audio: fix control pipe direction
Since the requesttype has USB_DIR_OUT the pipe should be
constructed with usb_sndctrlpipe().

Fixes: 8dc5efe3d1 ("ALSA: usb-audio: Add support for Presonus Studio 1810c")
Signed-off-by: Roy Vegard Ovesen <roy.vegard.ovesen@gmail.com>
Link: https://patch.msgid.link/aPPL3tBFE_oU-JHv@ark
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-10-18 20:11:58 +02:00
Linus Torvalds
d303caf5ca 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:

 - Replace bpf_map_kmalloc_node() with kmalloc_nolock() to fix kmemleak
   imbalance in tracking of bpf_async_cb structures (Alexei Starovoitov)

 - Make selftests/bpf arg_parsing.c more robust to errors (Andrii
   Nakryiko)

 - Fix redefinition of 'off' as different kind of symbol when I40E
   driver is builtin (Brahmajit Das)

 - Do not disable preemption in bpf_test_run (Sahil Chandna)

 - Fix memory leak in __lookup_instance error path (Shardul Bankar)

 - Ensure test data is flushed to disk before reading it (Xing Guo)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: Fix redefinition of 'off' as different kind of symbol
  bpf: Do not disable preemption in bpf_test_run().
  bpf: Fix memory leak in __lookup_instance error path
  selftests: arg_parsing: Ensure data is flushed to disk before reading.
  bpf: Replace bpf_map_kmalloc_node() with kmalloc_nolock() to allocate bpf_async_cb structures.
  selftests/bpf: make arg_parsing.c more robust to crashes
  bpf: test_run: Fix ctx leak in bpf_prog_test_run_xdp error path
2025-10-18 08:00:43 -10:00
Linus Torvalds
847f242f7a Description for this pull request:
- Fix out-of-bounds in FS_IOC_SETFSLABEL.
  - Add validation for stream entry valid size to prevent infinite loop.
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Merge tag 'exfat-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat fixes from Namjae Jeon:

 - Fix out-of-bounds in FS_IOC_SETFSLABEL

 - Add validation for stream entry size to prevent infinite loop

* tag 'exfat-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: fix out-of-bounds in exfat_nls_to_ucs2()
  exfat: fix improper check of dentry.stream.valid_size
2025-10-18 07:23:59 -10:00
Linus Torvalds
2d07c6c209 NFS Client Bugfixes for Linux 6.18-rc
Bugfixes:
  * Fix for FlexFiles mirror->dss allocation
  * Apply delay_retrans to async operations
  * Check if suid/sgid is cleared after a write when needed
  * Fix setting the state renewal timer for early mounts after a reboot
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Merge tag 'nfs-for-6.18-2' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client fixes from Anna Schumaker:

 - Fix for FlexFiles mirror->dss allocation

 - Apply delay_retrans to async operations

 - Check if suid/sgid is cleared after a write when needed

 - Fix setting the state renewal timer for early mounts after a reboot

* tag 'nfs-for-6.18-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  NFS4: Fix state renewals missing after boot
  NFS: check if suid/sgid was cleared after a write as needed
  NFS4: Apply delay_retrans to async operations
  NFSv4/flexfiles: fix to allocate mirror->dss before use
2025-10-18 07:18:48 -10:00
Linus Torvalds
4ccb3a8000 smb client fixes and some clealup
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Merge tag '6.18-rc1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 "smb client fixes, security and smbdirect improvements, and some minor cleanup:

   - Important OOB DFS fix

   - Fix various potential tcon refcount leaks

   - smbdirect (RDMA) fixes (following up from test event a few weeks
     ago):

      - Fixes to improve and simplify handling of memory lifetime of
        smbdirect_mr_io structures, when a connection gets disconnected

      - Make sure we really wait to reach SMBDIRECT_SOCKET_DISCONNECTED
        before destroying resources

      - Make sure the send/recv submission/completion queues are large
        enough to avoid ib_post_send() from failing under pressure

   - convert cifs.ko to use the recommended crypto libraries (instead of
     crypto_shash), this also can improve performance

   - Three small cleanup patches"

* tag '6.18-rc1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
  smb: client: Consolidate cmac(aes) shash allocation
  smb: client: Remove obsolete crypto_shash allocations
  smb: client: Use HMAC-MD5 library for NTLMv2
  smb: client: Use MD5 library for SMB1 signature calculation
  smb: client: Use MD5 library for M-F symlink hashing
  smb: client: Use HMAC-SHA256 library for SMB2 signature calculation
  smb: client: Use HMAC-SHA256 library for key generation
  smb: client: Use SHA-512 library for SMB3.1.1 preauth hash
  cifs: parse_dfs_referrals: prevent oob on malformed input
  smb: client: Fix refcount leak for cifs_sb_tlink
  smb: client: let smbd_destroy() wait for SMBDIRECT_SOCKET_DISCONNECTED
  smb: move some duplicate definitions to common/cifsglob.h
  smb: client: let destroy_mr_list() keep smbdirect_mr_io memory if registered
  smb: client: let destroy_mr_list() call ib_dereg_mr() before ib_dma_unmap_sg()
  smb: client: call ib_dma_unmap_sg if mr->sgt.nents is not 0
  smb: client: improve logic in smbd_deregister_mr()
  smb: client: improve logic in smbd_register_mr()
  smb: client: improve logic in allocate_mr_list()
  smb: client: let destroy_mr_list() remove locked from the list
  smb: client: let destroy_mr_list() call list_del(&mr->list)
  ...
2025-10-18 07:11:32 -10:00
Linus Torvalds
02e5f74ef0 ARM:
- Fix the handling of ZCR_EL2 in NV VMs
 
 - Pick the correct translation regime when doing a PTW on
   the back of a SEA
 
 - Prevent userspace from injecting an event into a vcpu that isn't
   initialised yet
 
 - Move timer save/restore to the sysreg handling code, fixing EL2 timer
   access in the process
 
 - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug
 
 - Fix trapping configuration when the host isn't GICv3
 
 - Improve the detection of HCR_EL2.E2H being RES1
 
 - Drop a spurious 'break' statement in the S1 PTW
 
 - Don't try to access SPE when owned by EL3
 
 Documentation updates:
 
 - Document the failure modes of event injection
 
 - Document that a GICv3 guest can be created on a GICv5 host
   with FEAT_GCIE_LEGACY
 
 Selftest improvements:
 
 - Add a selftest for the effective value of HCR_EL2.AMO
 
 - Address build warning in the timer selftest when building with clang
 
 - Teach irqfd selftests about non-x86 architectures
 
 - Add missing sysregs to the set_id_regs selftest
 
 - Fix vcpu allocation in the vgic_lpi_stress selftest
 
 - Correctly enable interrupts in the vgic_lpi_stress selftest
 
 x86:
 
 - Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the
   bug fixed by commit 3ccbf6f470 ("KVM: x86/mmu: Return -EAGAIN if userspace
   deletes/moves memslot during prefault")
 
 - Don't try to get PMU capabilities from perf when running a CPU with hybrid
   CPUs/PMUs, as perf will rightly WARN.
 
 guest_memfd:
 
 - Rework KVM_CAP_GUEST_MEMFD_MMAP (newly introduced in 6.18) into a more
   generic KVM_CAP_GUEST_MEMFD_FLAGS
 
 - Add a guest_memfd INIT_SHARED flag and require userspace to explicitly set
   said flag to initialize memory as SHARED, irrespective of MMAP.  The
   behavior merged in 6.18 is that enabling mmap() implicitly initializes
   memory as SHARED, which would result in an ABI collision for x86 CoCo VMs
   as their memory is currently always initialized PRIVATE.
 
 - Allow mmap() on guest_memfd for x86 CoCo VMs, i.e. on VMs with private
   memory, to enable testing such setups, i.e. to hopefully flush out any
   other lurking ABI issues before 6.18 is officially released.
 
 - Add testcases to the guest_memfd selftest to cover guest_memfd without MMAP,
   and host userspace accesses to mmap()'d private memory.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM:

   - Fix the handling of ZCR_EL2 in NV VMs

   - Pick the correct translation regime when doing a PTW on the back of
     a SEA

   - Prevent userspace from injecting an event into a vcpu that isn't
     initialised yet

   - Move timer save/restore to the sysreg handling code, fixing EL2
     timer access in the process

   - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug

   - Fix trapping configuration when the host isn't GICv3

   - Improve the detection of HCR_EL2.E2H being RES1

   - Drop a spurious 'break' statement in the S1 PTW

   - Don't try to access SPE when owned by EL3

  Documentation updates:

   - Document the failure modes of event injection

   - Document that a GICv3 guest can be created on a GICv5 host with
     FEAT_GCIE_LEGACY

  Selftest improvements:

   - Add a selftest for the effective value of HCR_EL2.AMO

   - Address build warning in the timer selftest when building with
     clang

   - Teach irqfd selftests about non-x86 architectures

   - Add missing sysregs to the set_id_regs selftest

   - Fix vcpu allocation in the vgic_lpi_stress selftest

   - Correctly enable interrupts in the vgic_lpi_stress selftest

  x86:

   - Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test
     for the bug fixed by commit 3ccbf6f470 ("KVM: x86/mmu: Return
     -EAGAIN if userspace deletes/moves memslot during prefault")

   - Don't try to get PMU capabilities from perf when running a CPU with
     hybrid CPUs/PMUs, as perf will rightly WARN.

  guest_memfd:

   - Rework KVM_CAP_GUEST_MEMFD_MMAP (newly introduced in 6.18) into a
     more generic KVM_CAP_GUEST_MEMFD_FLAGS

   - Add a guest_memfd INIT_SHARED flag and require userspace to
     explicitly set said flag to initialize memory as SHARED,
     irrespective of MMAP.

     The behavior merged in 6.18 is that enabling mmap() implicitly
     initializes memory as SHARED, which would result in an ABI
     collision for x86 CoCo VMs as their memory is currently always
     initialized PRIVATE.

   - Allow mmap() on guest_memfd for x86 CoCo VMs, i.e. on VMs with
     private memory, to enable testing such setups, i.e. to hopefully
     flush out any other lurking ABI issues before 6.18 is officially
     released.

   - Add testcases to the guest_memfd selftest to cover guest_memfd
     without MMAP, and host userspace accesses to mmap()'d private
     memory"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (46 commits)
  arm64: Revamp HCR_EL2.E2H RES1 detection
  KVM: arm64: nv: Use FGT write trap of MDSCR_EL1 when available
  KVM: arm64: Compute per-vCPU FGTs at vcpu_load()
  KVM: arm64: selftests: Fix misleading comment about virtual timer encoding
  KVM: arm64: selftests: Add an E2H=0-specific configuration to get_reg_list
  KVM: arm64: selftests: Make dependencies on VHE-specific registers explicit
  KVM: arm64: Kill leftovers of ad-hoc timer userspace access
  KVM: arm64: Fix WFxT handling of nested virt
  KVM: arm64: Move CNT*CT_EL0 userspace accessors to generic infrastructure
  KVM: arm64: Move CNT*_CVAL_EL0 userspace accessors to generic infrastructure
  KVM: arm64: Move CNT*_CTL_EL0 userspace accessors to generic infrastructure
  KVM: arm64: Add timer UAPI workaround to sysreg infrastructure
  KVM: arm64: Make timer_set_offset() generally accessible
  KVM: arm64: Replace timer context vcpu pointer with timer_id
  KVM: arm64: Introduce timer_context_to_vcpu() helper
  KVM: arm64: Hide CNTHV_*_EL2 from userspace for nVHE guests
  Documentation: KVM: Update GICv3 docs for GICv5 hosts
  KVM: arm64: gic-v3: Only set ICH_HCR traps for v2-on-v3 or v3 guests
  KVM: arm64: selftests: Actually enable IRQs in vgic_lpi_stress
  KVM: arm64: selftests: Allocate vcpus with correct size
  ...
2025-10-18 07:07:14 -10:00
Linus Torvalds
0e622c4b0e powerpc fixes for 6.18 #2
- Fix to handle NULL pointer dereference at irq domain teardown
  - Fix for handling extraction of struct xive_irq_data
  - Fix to skip parameter area allocation when fadump disabled
 
 Thanks to: Ganesh Goudar, Hari Bathini, Nam Cao, Ritesh Harjani (IBM) Sourabh Jain, Venkat Rao Bagalkote,
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Merge tag 'powerpc-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Madhavan Srinivasan:

 - Fix to handle NULL pointer dereference at irq domain teardown

 - Fix for handling extraction of struct xive_irq_data

 - Fix to skip parameter area allocation when fadump disabled

Thanks to Ganesh Goudar, Hari Bathini, Nam Cao, Ritesh Harjani (IBM),
Sourabh Jain, and Venkat Rao Bagalkote,

* tag 'powerpc-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/fadump: skip parameter area allocation when fadump is disabled
  powerpc, ocxl: Fix extraction of struct xive_irq_data
  powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown
2025-10-18 07:02:28 -10:00
Linus Torvalds
959f018f97 slab fixes for 6.18-rc2
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Merge tag 'slab-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fixes from Vlastimil Babka:

 - Fixes for two bugs that can be triggered when debugging options are
   enabled (Hao Ge, Vlastimil Babka)

* tag 'slab-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  slab: reset slab->obj_ext when freeing and it is OBJEXTS_ALLOC_FAIL
  slab: fix clearing freelist in free_deferred_objects()
2025-10-18 06:59:25 -10:00
J-Donald Tournier
1386d16761 ALSA: hda/realtek: Add quirk for Lenovo Yoga 7 2-in-1 14AKP10
This laptop requires the same quirk as Lenovo Yoga9 14IAP7 for
fixing the bass speaker problems.

Use HDA_CODEC_QUIRK to match on the codec SSID to avoid conflict with
the Lenovo Legion Slim 7 16IRH8, which has the same PCI SSID.

Signed-off-by: J-Donald Tournier <jdtournier@gmail.com>
Link: https://patch.msgid.link/20251018145322.39119-1-jdournier@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-10-18 18:36:10 +02:00
Paul Walmsley
b7776a802f riscv: hwprobe: avoid uninitialized variable use in hwprobe_arch_id()
Resolve this smatch warning:

  arch/riscv/kernel/sys_hwprobe.c:50 hwprobe_arch_id() error: uninitialized symbol 'cpu_id'.

This could happen if hwprobe_arch_id() was called with a key ID of
something other than MVENDORID, MIMPID, and MARCHID.  This does not
happen in the current codebase.  The only caller of hwprobe_arch_id()
is a function that only passes one of those three key IDs.

For the sake of reducing static analyzer warning noise, and in the
unlikely event that hwprobe_arch_id() is someday called with some
other key ID, validate hwprobe_arch_id()'s input to ensure that
'cpu_id' is always initialized before use.

Fixes: ea3de9ce8a ("RISC-V: Add a syscall for HW probing")
Cc: Evan Green <evan@rivosinc.com>
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/cf5a13ec-19d0-9862-059b-943f36107bf3@kernel.org
2025-10-18 09:36:36 -06:00
Paul Walmsley
2dc99ea272 riscv: cpufeature: avoid uninitialized variable in has_thead_homogeneous_vlenb()
In has_thead_homogeneous_vlenb(), smatch detected that the vlenb variable
could be used while uninitialized.  It appears that this could happen if
no CPUs described in DT have the "thead,vlenb" property.

Fix by initializing vlenb to 0, which will keep thead_vlenb_of set to 0
(as it was statically initialized).  This in turn will cause
riscv_v_setup_vsize() to fall back to CSR probing - the desired result if
thead,vlenb isn't provided in the DT data.

While here, fix a nearby comment typo.

Cc: stable@vger.kernel.org
Cc: Charlie Jenkins <charlie@rivosinc.com>
Fixes: 377be47f90 ("riscv: vector: Use vlenb from DT for thead")
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/22674afb-2fe8-2a83-1818-4c37bd554579@kernel.org
2025-10-18 09:36:11 -06:00
Rafael J. Wysocki
673e75ea55 amd-pstate 6.18 content 10/15/25
Fix for EPP value in wrong state after S4
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Merge tag 'amd-pstate-v6.18-2025-10-15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux

Pull amd-pstate 6.18 content (10/15/25) from Mario Limonciello:

"Fix for EPP value in wrong state after S4"

* tag 'amd-pstate-v6.18-2025-10-15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux:
  cpufreq/amd-pstate: Fix a regression leading to EPP 0 after hibernate
2025-10-18 14:42:39 +02:00
Stuart Yoder
dbfdaeb381 tpm_crb: Add idle support for the Arm FF-A start method
According to the CRB over FF-A specification [1], a TPM that implements
the ABI must comply with the TCG PTP specification. This requires support
for the Idle and Ready states.

This patch implements CRB control area requests for goIdle and
cmdReady on FF-A based TPMs.

The FF-A message used to notify the TPM of CRB updates includes a
locality parameter, which provides a hint to the TPM about which
locality modified the CRB.  This patch adds a locality parameter
to __crb_go_idle() and __crb_cmd_ready() to support this.

[1] https://developer.arm.com/documentation/den0138/latest/

Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2025-10-18 14:33:22 +03:00
Paolo Bonzini
4361f5aa8b KVM x86 fixes for 6.18:
- Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the
    bug fixed by commit 3ccbf6f470 ("KVM: x86/mmu: Return -EAGAIN if userspace
    deletes/moves memslot during prefault")
 
  - Don't try to get PMU capabbilities from perf when running a CPU with hybrid
    CPUs/PMUs, as perf will rightly WARN.
 
  - Rework KVM_CAP_GUEST_MEMFD_MMAP (newly introduced in 6.18) into a more
    generic KVM_CAP_GUEST_MEMFD_FLAGS
 
  - Add a guest_memfd INIT_SHARED flag and require userspace to explicitly set
    said flag to initialize memory as SHARED, irrespective of MMAP.  The
    behavior merged in 6.18 is that enabling mmap() implicitly initializes
    memory as SHARED, which would result in an ABI collision for x86 CoCo VMs
    as their memory is currently always initialized PRIVATE.
 
  - Allow mmap() on guest_memfd for x86 CoCo VMs, i.e. on VMs with private
    memory, to enable testing such setups, i.e. to hopefully flush out any
    other lurking ABI issues before 6.18 is officially released.
 
  - Add testcases to the guest_memfd selftest to cover guest_memfd without MMAP,
    and host userspace accesses to mmap()'d private memory.
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Merge tag 'kvm-x86-fixes-6.18-rc2' of https://github.com/kvm-x86/linux into HEAD

KVM x86 fixes for 6.18:

 - Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the
   bug fixed by commit 3ccbf6f470 ("KVM: x86/mmu: Return -EAGAIN if userspace
   deletes/moves memslot during prefault")

 - Don't try to get PMU capabbilities from perf when running a CPU with hybrid
   CPUs/PMUs, as perf will rightly WARN.

 - Rework KVM_CAP_GUEST_MEMFD_MMAP (newly introduced in 6.18) into a more
   generic KVM_CAP_GUEST_MEMFD_FLAGS

 - Add a guest_memfd INIT_SHARED flag and require userspace to explicitly set
   said flag to initialize memory as SHARED, irrespective of MMAP.  The
   behavior merged in 6.18 is that enabling mmap() implicitly initializes
   memory as SHARED, which would result in an ABI collision for x86 CoCo VMs
   as their memory is currently always initialized PRIVATE.

 - Allow mmap() on guest_memfd for x86 CoCo VMs, i.e. on VMs with private
   memory, to enable testing such setups, i.e. to hopefully flush out any
   other lurking ABI issues before 6.18 is officially released.

 - Add testcases to the guest_memfd selftest to cover guest_memfd without MMAP,
   and host userspace accesses to mmap()'d private memory.
2025-10-18 10:25:43 +02:00
Paolo Bonzini
5d26eaae15 KVM/arm64 fixes for 6.18, take #1
Improvements and bug fixes:
 
 - Fix the handling of ZCR_EL2 in NV VMs
   (20250926194108.84093-1-oliver.upton@linux.dev)
 
 - Pick the correct translation regime when doing a PTW on
   the back of a SEA (20250926224246.731748-1-oliver.upton@linux.dev)
 
 - Prevent userspace from injecting an event into a vcpu that isn't
   initialised yet (20250930085237.108326-1-oliver.upton@linux.dev)
 
 - Move timer save/restore to the sysreg handling code, fixing EL2 timer
   access in the process (20250929160458.3351788-1-maz@kernel.org)
 
 - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug
   (20250924235150.617451-1-oliver.upton@linux.dev)
 
 - Fix trapping configuration when the host isn't GICv3
   (20251007160704.1673584-1-sascha.bischoff@arm.com)
 
 - Improve the detection of HCR_EL2.E2H being RES1
   (20251009121239.29370-1-maz@kernel.org)
 
 - Drop a spurious 'break' statement in the S1 PTW
   (20250930135621.162050-1-osama.abdelkader@gmail.com)
 
 - Don't try to access SPE when owned by EL3
   (20251010174707.1684200-1-mukesh.ojha@oss.qualcomm.com)
 
 Documentation updates:
 
 - Document the failure modes of event injection
   (20250930233620.124607-1-oliver.upton@linux.dev)
 
 - Document that a GICv3 guest can be created on a GICv5 host
   with FEAT_GCIE_LEGACY (20251007154848.1640444-1-sascha.bischoff@arm.com)
 
 Selftest improvements:
 
 - Add a sesttest for the effective value of HCR_EL2.AMO
   (20250926224454.734066-1-oliver.upton@linux.dev)
 
 - Address build warning in the timer selftest when building
   with clang (20250926155838.2612205-1-seanjc@google.com)
 
 - Teach irq_fd selftests about non-x86 architectures
   (20250930193301.119859-1-oliver.upton@linux.dev)
 
 - Add missing sysregs to the set_id_regs selftest
   (20251012154352.61133-1-zenghui.yu@linux.dev)
 
 - Fix vcpu allocation in the vgic_lpi_stress selftest
   (20251008154520.54801-1-zenghui.yu@linux.dev)
 
 - Correctly enable interrupts in the vgic_lpi_stress selftest
   (20251007195254.260539-1-oliver.upton@linux.dev)
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Merge tag 'kvmarm-fixes-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.18, take #1

Improvements and bug fixes:

- Fix the handling of ZCR_EL2 in NV VMs
  (20250926194108.84093-1-oliver.upton@linux.dev)

- Pick the correct translation regime when doing a PTW on
  the back of a SEA (20250926224246.731748-1-oliver.upton@linux.dev)

- Prevent userspace from injecting an event into a vcpu that isn't
  initialised yet (20250930085237.108326-1-oliver.upton@linux.dev)

- Move timer save/restore to the sysreg handling code, fixing EL2 timer
  access in the process (20250929160458.3351788-1-maz@kernel.org)

- Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug
  (20250924235150.617451-1-oliver.upton@linux.dev)

- Fix trapping configuration when the host isn't GICv3
  (20251007160704.1673584-1-sascha.bischoff@arm.com)

- Improve the detection of HCR_EL2.E2H being RES1
  (20251009121239.29370-1-maz@kernel.org)

- Drop a spurious 'break' statement in the S1 PTW
  (20250930135621.162050-1-osama.abdelkader@gmail.com)

- Don't try to access SPE when owned by EL3
  (20251010174707.1684200-1-mukesh.ojha@oss.qualcomm.com)

Documentation updates:

- Document the failure modes of event injection
  (20250930233620.124607-1-oliver.upton@linux.dev)

- Document that a GICv3 guest can be created on a GICv5 host
  with FEAT_GCIE_LEGACY (20251007154848.1640444-1-sascha.bischoff@arm.com)

Selftest improvements:

- Add a selftest for the effective value of HCR_EL2.AMO
  (20250926224454.734066-1-oliver.upton@linux.dev)

- Address build warning in the timer selftest when building
  with clang (20250926155838.2612205-1-seanjc@google.com)

- Teach irq_fd selftests about non-x86 architectures
  (20250930193301.119859-1-oliver.upton@linux.dev)

- Add missing sysregs to the set_id_regs selftest
  (20251012154352.61133-1-zenghui.yu@linux.dev)

- Fix vcpu allocation in the vgic_lpi_stress selftest
  (20251008154520.54801-1-zenghui.yu@linux.dev)

- Correctly enable interrupts in the vgic_lpi_stress selftest
  (20251007195254.260539-1-oliver.upton@linux.dev)
2025-10-18 10:25:31 +02:00
Jingwei Wang
5d15d2ad36 riscv: hwprobe: Fix stale vDSO data for late-initialized keys at boot
The hwprobe vDSO data for some keys, like MISALIGNED_VECTOR_PERF,
is determined by an asynchronous kthread. This can create a race
condition where the kthread finishes after the vDSO data has
already been populated, causing userspace to read stale values.

To fix this race, a new 'ready' flag is added to the vDSO data,
initialized to 'false' during arch_initcall_sync. This flag is
checked by both the vDSO's user-space code and the riscv_hwprobe
syscall. The syscall serves as a one-time gate, using a completion
to wait for any pending probes before populating the data and
setting the flag to 'true', thus ensuring userspace reads fresh
values on its first request.

Reported-by: Tsukasa OI <research_trasio@irq.a4lg.com>
Closes: https://lore.kernel.org/linux-riscv/760d637b-b13b-4518-b6bf-883d55d44e7f@irq.a4lg.com/
Fixes: e7c9d66e31 ("RISC-V: Report vector unaligned access speed hwprobe")
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: stable@vger.kernel.org
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Co-developed-by: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Jingwei Wang <wangjingwei@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250811142035.105820-1-wangjingwei@iscas.ac.cn
[pjw@kernel.org: fix checkpatch issues]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 22:23:11 -06:00
Paul Walmsley
492c513ec6 riscv: add a forward declaration for cpuinfo_op
Add a forward declaration for cpuinfo_op to resolve a sparse warning.

Link: https://lore.kernel.org/r/b831f349-5d0c-f7ac-8362-acb20bc6221a@kernel.org
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 22:10:01 -06:00
Anup Patel
d2721bb165 RISC-V: Don't print details of CPUs disabled in DT
Early boot stages may disable CPU DT nodes for unavailable
CPUs based on SKU, pinstraps, eFuse, etc. Currently, the
riscv_early_of_processor_hartid() prints details of a CPU
if it is disabled in DT which has no value and gives a
false impression to the users that there some issue with
the CPU.

Fixes: e3d794d555 ("riscv: treat cpu devicetree nodes without status as enabled")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20251014163009.182381-1-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 22:02:21 -06:00
Samuel Holland
768e054de0 riscv: Remove the PER_CPU_OFFSET_SHIFT macro
__per_cpu_offset is an array of unsigned long, so we can reuse the
existing RISCV_LGPTR macro.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20251015225604.3860409-1-samuel.holland@sifive.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 22:00:29 -06:00
Samuel Holland
5898fc01ff riscv: mm: Define MAX_POSSIBLE_PHYSMEM_BITS for zsmalloc
This definition is used by zsmalloc to optimize memory allocation. On
riscv64, it is the same as MAX_PHYSMEM_BITS from asm/sparsemem.h, but
that definition depends on CONFIG_SPARSEMEM. The correct definition is
already provided for riscv32.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20251015233327.3885003-1-samuel.holland@sifive.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 22:00:29 -06:00
Samuel Holland
223bfc4d40 riscv: Register IPI IRQs with unique names
This allows different IPIs to be distinguished in tracing output.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20251016003244.3910332-1-samuel.holland@sifive.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 22:00:29 -06:00
Sunil V L
e7b969cbe3 ACPI: RIMT: Fix unused function warnings when CONFIG_IOMMU_API is disabled
When CONFIG_IOMMU_API is disabled, some functions defined outside its
conditional scope become unused, triggering compiler warnings reported
by the kernel test robot.

Move these function definitions inside the #ifdef CONFIG_IOMMU_API block
to prevent unused function warnings when the configuration is disabled.

Fixes: 8f77295525 ("ACPI: RISC-V: Add support for RIMT")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202509280031.8Sjkr4bh-lkp@intel.com/
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Link: https://lore.kernel.org/r/20251013181947.261759-1-sunilvl@ventanamicro.com
2025-10-17 21:45:08 -06:00
Anup Patel
ca525d53f9 RISC-V: Define pgprot_dmacoherent() for non-coherent devices
The pgprot_dmacoherent() is used when allocating memory for
non-coherent devices and by default pgprot_dmacoherent() is
same as pgprot_noncached() unless architecture overrides it.

Currently, there is no pgprot_dmacoherent() definition for
RISC-V hence non-coherent device memory is being mapped as
IO thereby making CPU access to such memory slow.

Define pgprot_dmacoherent() to be same as pgprot_writecombine()
for RISC-V so that CPU access non-coherent device memory as
NOCACHE which is better than accessing it as IO.

Fixes: ff689fd21c ("riscv: add RISC-V Svpbmt extension support")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Tested-by: Han Gao <rabenda.cn@gmail.com>
Tested-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
Link: https://lore.kernel.org/r/20250820152316.1012757-1-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2025-10-17 21:30:05 -06:00
Aleksander Jan Bajkowski
ffff5c8fc2 net: phy: realtek: fix rtl8221b-vm-cg name
When splitting the RTL8221B-VM-CG into C22 and C45 variants, the name was
accidentally changed to RTL8221B-VN-CG. This patch brings back the previous
part number.

Fixes: ad5ce743a6 ("net: phy: realtek: Add driver instances for rtl8221b via Clause 45")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20251016192325.2306757-1-olek2@wp.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-10-17 16:34:37 -07:00