Commit Graph

1186764 Commits

Author SHA1 Message Date
Rafael J. Wysocki
22db06337f ACPI: sleep: Avoid breaking S3 wakeup due to might_sleep()
The addition of might_sleep() to down_timeout() caused the latter to
enable interrupts unconditionally in some cases, which in turn broke
the ACPI S3 wakeup path in acpi_suspend_enter(), where down_timeout()
is called by acpi_disable_all_gpes() via acpi_ut_acquire_mutex().

Namely, if CONFIG_DEBUG_ATOMIC_SLEEP is set, might_sleep() causes
might_resched() to be used and if CONFIG_PREEMPT_VOLUNTARY is set,
this triggers __cond_resched() which may call preempt_schedule_common(),
so __schedule() gets invoked and it ends up with enabled interrupts (in
the prev == next case).

Now, enabling interrupts early in the S3 wakeup path causes the kernel
to crash.

Address this by modifying acpi_suspend_enter() to disable GPEs without
attempting to acquire the sleeping lock which is not needed in that code
path anyway.

Fixes: 99409b935c ("locking/semaphore: Add might_sleep() to down_*() family")
Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: 5.15+ <stable@vger.kernel.org> # 5.15+
2023-06-15 18:05:19 +02:00
Linus Torvalds
858fd168a9 Linux 6.4-rc6 2023-06-11 14:35:30 -07:00
Linus Torvalds
4c605260bc - Set up the kernel CS earlier in the boot process in case EFI boots the
kernel after bypassing the decompressor and the CS descriptor used
   ends up being the EFI one which is not mapped in the identity page
   table, leading to early SEV/SNP guest communication exceptions
   resulting in the guest crashing
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Merge tag 'x86_urgent_for_v6.4_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Borislav Petkov:

 - Set up the kernel CS earlier in the boot process in case EFI boots
   the kernel after bypassing the decompressor and the CS descriptor
   used ends up being the EFI one which is not mapped in the identity
   page table, leading to early SEV/SNP guest communication exceptions
   resulting in the guest crashing

* tag 'x86_urgent_for_v6.4_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/head/64: Switch to KERNEL_CS as soon as new GDT is installed
2023-06-11 10:14:02 -07:00
Linus Torvalds
65d7ca5987 five smb3 server fixes, all also for stable
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Merge tag '6.4-rc5-smb3-server-fixes' of git://git.samba.org/ksmbd

Pull smb server fixes from Steve French:
 "Five smb3 server fixes, all also for stable:

   - Fix four slab out of bounds warnings: improve checks for protocol
     id, and for small packet length, and for create context parsing,
     and for negotiate context parsing

   - Fix for incorrect dereferencing POSIX ACLs"

* tag '6.4-rc5-smb3-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: validate smb request protocol id
  ksmbd: check the validation of pdu_size in ksmbd_conn_handler_loop
  ksmbd: fix posix_acls and acls dereferencing possible ERR_PTR()
  ksmbd: fix out-of-bound read in parse_lease_state()
  ksmbd: fix out-of-bound read in deassemble_neg_contexts()
2023-06-11 10:07:35 -07:00
Linus Torvalds
022ce8862d Biggest news is that Andi Shyti steps in for maintaining the controller
drivers. Thank you very much! Other than that, one new driver maintainer
 and the rest is usual driver bugfixes. at24 has a Kconfig dependecy fix.
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Merge tag 'i2c-for-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "Biggest news is that Andi Shyti steps in for maintaining the
  controller drivers. Thank you very much!

  Other than that, one new driver maintainer and the rest is usual
  driver bugfixes. at24 has a Kconfig dependecy fix"

* tag 'i2c-for-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  MAINTAINERS: Add entries for Renesas RZ/V2M I2C driver
  eeprom: at24: also select REGMAP
  i2c: sprd: Delete i2c adapter in .remove's error path
  i2c: mv64xxx: Fix reading invalid status value in atomic mode
  i2c: designware: fix idx_write_cnt in read loop
  i2c: mchp-pci1xxxx: Avoid cast to incompatible function type
  i2c: img-scb: Fix spelling mistake "innacurate" -> "inaccurate"
  MAINTAINERS: Add myself as I2C host drivers maintainer
2023-06-10 13:36:07 -07:00
Linus Torvalds
6be5e47b69 soundwire fixes for 6.4
- HP Spectre x360 soundwire DMI quirk
  - Error path handling for qcom driver
  - Core fix for missing clear of alloc_slave_rt
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Merge tag 'soundwire-6.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire fixes from Vinod Koul:
 "Core fix for missing flag clear, error patch handling in qcom driver
  and BIOS quirk for HP Spectre x360:

   - HP Spectre x360 soundwire DMI quirk

   - Error path handling for qcom driver

   - Core fix for missing clear of alloc_slave_rt"

* tag 'soundwire-6.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: stream: Add missing clear of alloc_slave_rt
  soundwire: qcom: add proper error paths in qcom_swrm_startup()
  soundwire: dmi-quirks: add new mapping for HP Spectre x360
2023-06-10 13:21:04 -07:00
Linus Torvalds
859c745951 ARM: SoC fixes for 6.4, part 2
Most of the changes this time are for the Qualcomm Snapdragon platforms.
 
 There are bug fixes for error handling in Qualcomm icc-bwmon, rpmh-rsc,
 ramp_controller and rmtfs driver as well as the AMD tee firmware
 driver and a missing initialization in the Arm ff-a firmware driver.
 The Qualcomm RPMh and EDAC drivers need some rework to work correctly
 on all supported chips.
 
 The DT fixes include:
 
  - i.MX8 fixes for gpio, pinmux and clock settings
 
  - ADS touchscreen gpio polarity settings in several machines
 
  - Address dtb warnings for caches, panel and input-enable
    properties on Qualcomm platforms
 
  - Incorrect data on qualcomm platforms fir SA8155P power domains,
    SM8550 LLCC, SC7180-lite SDRAM frequencies and SM8550 soundwire.
 
  -  Remoteproc firmware paths are corrected for Sony Xperia 10 IV.
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Merge tag 'arm-fixes-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Most of the changes this time are for the Qualcomm Snapdragon
  platforms.

  There are bug fixes for error handling in Qualcomm icc-bwmon,
  rpmh-rsc, ramp_controller and rmtfs driver as well as the AMD tee
  firmware driver and a missing initialization in the Arm ff-a firmware
  driver. The Qualcomm RPMh and EDAC drivers need some rework to work
  correctly on all supported chips.

  The DT fixes include:

   - i.MX8 fixes for gpio, pinmux and clock settings

   - ADS touchscreen gpio polarity settings in several machines

   - Address dtb warnings for caches, panel and input-enable properties
     on Qualcomm platforms

   - Incorrect data on qualcomm platforms fir SA8155P power domains,
     SM8550 LLCC, SC7180-lite SDRAM frequencies and SM8550 soundwire

   - Remoteproc firmware paths are corrected for Sony Xperia 10 IV"

* tag 'arm-fixes-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (36 commits)
  firmware: arm_ffa: Set handle field to zero in memory descriptor
  ARM: dts: Fix erroneous ADS touchscreen polarities
  arm64: dts: imx8mn-beacon: Fix SPI CS pinmux
  arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
  arm64: dts: imx8qm-mek: correct GPIOs for USDHC2 CD and WP signals
  EDAC/qcom: Get rid of hardcoded register offsets
  EDAC/qcom: Remove superfluous return variable assignment in qcom_llcc_core_setup()
  arm64: dts: qcom: sm8550: Use the correct LLCC register scheme
  dt-bindings: cache: qcom,llcc: Fix SM8550 description
  arm64: dts: qcom: sc7180-lite: Fix SDRAM freq for misidentified sc7180-lite boards
  arm64: dts: qcom: sm8550: use uint16 for Soundwire interval
  soc: qcom: rpmhpd: Add SA8155P power domains
  arm64: dts: qcom: Split out SA8155P and use correct RPMh power domains
  dt-bindings: power: qcom,rpmpd: Add SA8155P
  soc: qcom: Rename ice to qcom_ice to avoid module name conflict
  soc: qcom: rmtfs: Fix error code in probe()
  soc: qcom: ramp_controller: Fix an error handling path in qcom_ramp_controller_probe()
  ARM: dts: at91: sama7g5ek: fix debounce delay property for shdwc
  ARM: at91: pm: fix imbalanced reference counter for ethernet devices
  arm64: dts: qcom: sm6375-pdx225: Fix remoteproc firmware paths
  ...
2023-06-10 13:01:09 -07:00
Linus Torvalds
6456952092 block-6.4-2023-06-09
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Merge tag 'block-6.4-2023-06-09' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - Fix an issue with the hardware queue nr_active, causing it to become
   imbalanced (Tian)

 - Fix an issue with null_blk not releasing pages if configured as
   memory backed (Nitesh)

 - Fix a locking issue in dasd (Jan)

* tag 'block-6.4-2023-06-09' of git://git.kernel.dk/linux:
  s390/dasd: Use correct lock while counting channel queue length
  null_blk: Fix: memory release when memory_backed=1
  blk-mq: fix blk_mq_hw_ctx active request accounting
2023-06-09 14:21:20 -07:00
Linus Torvalds
dbfa18c5d7 virtio,vhost,vdpa: bugfixes
A bunch of fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio bug fixes from Michael Tsirkin:
 "A bunch of fixes all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  tools/virtio: use canonical ftrace path
  vhost_vdpa: support PACKED when setting-getting vring_base
  vhost: support PACKED when setting-getting vring_base
  vhost: Fix worker hangs due to missed wake up calls
  vhost: Fix crash during early vhost_transport_send_pkt calls
  vhost_net: revert upend_idx only on retriable error
  vhost_vdpa: tell vqs about the negotiated
  vdpa/mlx5: Fix hang when cvq commands are triggered during device unregister
  tools/virtio: Add .gitignore for ringtest
  tools/virtio: Fix arm64 ringtest compilation error
  vduse: avoid empty string for dev name
  vhost: use kzalloc() instead of kmalloc() followed by memset()
2023-06-09 11:04:08 -07:00
Linus Torvalds
7e8c948b3f A fix for a potential data corruption in differential backup and
snapshot-based mirroring scenarios in RBD and a reference counting
 fixup to avoid use-after-free in CephFS, all marked for stable.
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Merge tag 'ceph-for-6.4-rc6' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "A fix for a potential data corruption in differential backup and
  snapshot-based mirroring scenarios in RBD and a reference counting
  fixup to avoid use-after-free in CephFS, all marked for stable"

* tag 'ceph-for-6.4-rc6' of https://github.com/ceph/ceph-client:
  ceph: fix use-after-free bug for inodes when flushing capsnaps
  rbd: get snapshot context after exclusive lock is ensured to be held
  rbd: move RBD_OBJ_FLAG_COPYUP_ENABLED flag setting
2023-06-09 10:53:58 -07:00
Jan Höppner
ccc45cb4e7 s390/dasd: Use correct lock while counting channel queue length
The lock around counting the channel queue length in the BIODASDINFO
ioctl was incorrectly changed to the dasd_block->queue_lock with commit
583d6535cb ("dasd: remove dead code"). This can lead to endless list
iterations and a subsequent crash.

The queue_lock is supposed to be used only for queue lists belonging to
dasd_block. For dasd_device related queue lists the ccwdev lock must be
used.

Fix the mentioned issues by correctly using the ccwdev lock instead of
the queue lock.

Fixes: 583d6535cb ("dasd: remove dead code")
Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20230609153750.1258763-2-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-06-09 11:35:52 -06:00
Linus Torvalds
0f506c7f7d RISC-V Fixes for 6.4-rc6
* A fix to avoid ISA-disallowed privilege mappings that can result from
   WRITE+EXEC mmap requests from userspace.
 * A fix for kfence to handle the huge pages.
 * A fix to avoid converting misaligned VAs to huge pages.
 * ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE has been selected so kprobe can
   understand user pointers.
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Merge tag 'riscv-for-linus-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A fix to avoid ISA-disallowed privilege mappings that can result from
   WRITE+EXEC mmap requests from userspace.

 - A fix for kfence to handle the huge pages.

 - A fix to avoid converting misaligned VAs to huge pages.

 - ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE has been selected so kprobe
   can understand user pointers.

* tag 'riscv-for-linus-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: fix kprobe __user string arg print fault issue
  riscv: Check the virtual alignment before choosing a map size
  riscv: Fix kfence now that the linear mapping can be backed by PUD/P4D/PGD
  riscv: mm: Ensure prot of VM_WRITE and VM_EXEC must be readable
2023-06-09 09:36:17 -07:00
Linus Torvalds
87aceaa7f0 s390 updates for 6.4-rc6
- Avoid linker error for randomly generated config file that
   has CONFIG_BRANCH_PROFILE_NONE enabled and make it similar
   to riscv, x86 and also to commit 4bf3ec384e ("s390: disable
   branch profiling for vdso").
 
 - Currently, if the device is offline and all the channel paths are
   either configured or varied offline, the associated subchannel gets
   unregistered. Don't unregister the subchannel, instead unregister
   offline device.
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Merge tag 's390-6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Alexander Gordeev:

 - Avoid linker error for randomly generated config file that has
   CONFIG_BRANCH_PROFILE_NONE enabled and make it similar to riscv, x86
   and also to commit 4bf3ec384e ("s390: disable branch profiling for
   vdso").

 - Currently, if the device is offline and all the channel paths are
   either configured or varied offline, the associated subchannel gets
   unregistered. Don't unregister the subchannel, instead unregister
   offline device.

* tag 's390-6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/purgatory: disable branch profiling
  s390/cio: unregister device when the only path is gone
2023-06-09 09:29:51 -07:00
Linus Torvalds
92d22212c0 gpio: fixes for v6.4-rc6
- fix a memory corruption bug in gpio-sim
 - fix inconsistencies in user-space configuration of gpio-sim
 - make Andy Shevchenko a reviewer for the GPIO subsystem
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Merge tag 'gpio-fixes-for-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:
 "Two fixes for the GPIO testing module and one commit making Andy a
  reviewer for the GPIO subsystem:

   - fix a memory corruption bug in gpio-sim

   - fix inconsistencies in user-space configuration of gpio-sim

   - make Andy Shevchenko a reviewer for the GPIO subsystem"

* tag 'gpio-fixes-for-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  MAINTAINERS: add Andy Shevchenko as reviewer for the GPIO subsystem
  gpio: sim: quietly ignore configured lines outside the bank
  gpio: sim: fix memory corruption when adding named lines and unnamed hogs
2023-06-09 09:17:25 -07:00
Ross Zwisler
07496eeab5 tools/virtio: use canonical ftrace path
The canonical location for the tracefs filesystem is at /sys/kernel/tracing.

But, from Documentation/trace/ftrace.rst:

  Before 4.1, all ftrace tracing control files were within the debugfs
  file system, which is typically located at /sys/kernel/debug/tracing.
  For backward compatibility, when mounting the debugfs file system,
  the tracefs file system will be automatically mounted at:

  /sys/kernel/debug/tracing

A few spots in tools/virtio still refer to this older debugfs
path, so let's update them to avoid confusion.

Signed-off-by: Ross Zwisler <zwisler@google.com>
Message-Id: <20230215223350.2658616-6-zwisler@google.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
2023-06-09 12:08:08 -04:00
Shannon Nelson
beee7fdb5b vhost_vdpa: support PACKED when setting-getting vring_base
Use the right structs for PACKED or split vqs when setting and
getting the vring base.

Fixes: 4c8cf31885 ("vhost: introduce vDPA-based backend")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230424225031.18947-4-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-09 12:08:04 -04:00
Shannon Nelson
55d8122f5c vhost: support PACKED when setting-getting vring_base
Use the right structs for PACKED or split vqs when setting and
getting the vring base.

Fixes: 4c8cf31885 ("vhost: introduce vDPA-based backend")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230424225031.18947-3-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-09 12:07:52 -04:00
Linus Torvalds
333a396d71 A single fix for the Meson driver, nothing else has surfaced
so far this cycle.
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Merge tag 'pinctrl-v6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fix from Linus Walleij:
 "A single fix for the Meson driver, nothing else has surfaced so far
  this cycle"

* tag 'pinctrl-v6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: meson-axg: add missing GPIOA_18 gpio group
2023-06-09 09:02:56 -07:00
Linus Torvalds
697fa9b586 sound fixes for 6.4-rc6
Lots of small fixes, and almost all are device-specific.
 A few of them are the fixes for the old regressions by the fast
 kctl lookups (introduced around 5.19).  Others are ASoC simple-card
 fixes, selftest compile warning fixes, ASoC AMD quirks, various
 ASoC codec fixes as well as usual HD-audio quirks.
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Merge tag 'sound-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Lots of small fixes, and almost all are device-specific.

  A few of them are the fixes for the old regressions by the fast kctl
  lookups (introduced around 5.19). Others are ASoC simple-card fixes,
  selftest compile warning fixes, ASoC AMD quirks, various ASoC codec
  fixes as well as usual HD-audio quirks"

* tag 'sound-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (26 commits)
  ALSA: hda/realtek: Enable 4 amplifiers instead of 2 on a HP platform
  ALSA: hda: Fix kctl->id initialization
  ALSA: gus: Fix kctl->id initialization
  ALSA: cmipci: Fix kctl->id initialization
  ALSA: ymfpci: Fix kctl->id initialization
  ALSA: ice1712,ice1724: fix the kcontrol->id initialization
  ALSA: hda/realtek: Add quirk for Clevo NS50AU
  ALSA: hda/realtek: Add quirks for Asus ROG 2024 laptops using CS35L41
  ALSA: hda/realtek: Add "Intel Reference board" and "NUC 13" SSID in the ALC256
  ALSA: hda/realtek: Add Lenovo P3 Tower platform
  ALSA: hda/realtek: Add a quirk for HP Slim Desktop S01
  selftests: alsa: pcm-test: Fix compiler warnings about the format
  ASoC: fsl_sai: Enable BCI bit if SAI works on synchronous mode with BYP asserted
  ASoC: simple-card-utils: fix PCM constraint error check
  ASoC: cs35l56: Remove NULL check from cs35l56_sdw_dai_set_stream()
  ASoC: max98363: limit the number of channel to 1
  ASoC: max98363: Removed 32bit support
  ASoC: mediatek: mt8195: fix use-after-free in driver remove path
  ASoC: mediatek: mt8188: fix use-after-free in driver remove path
  ASoC: amd: yc: Add Thinkpad Neo14 to quirks list for acp6x
  ...
2023-06-09 08:38:22 -07:00
Linus Torvalds
8fc1c596c2 Fix an ext4 regression which breaks remounting r/w file systems that
have the quota feature enabled.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fix from Ted Ts'o:
 "Fix an ext4 regression which breaks remounting r/w file systems that
  have the quota feature enabled"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: only check dquot_initialize_needed() when debugging
  Revert "ext4: don't clear SB_RDONLY when remounting r/w until quota is re-enabled"
2023-06-09 08:23:01 -07:00
Wolfram Sang
33f36147be Merge tag 'at24-fixes-for-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current
at24 fixes for v6.4-rc6

- fix a Kconfig issue (we need to select REGMAP, not only REGMAP_I2C)
2023-06-09 17:14:33 +02:00
Arnd Bergmann
5cdd5ec176 i.MX fixes for 6.4, round 2:
- Fix SPI CS pinmux for the final production version of imx8mn-beacon
   board.
 - Fix GPIOs for USDHC2 CD and WP signals on imx8qm-mek board.
 - Assign default clock rate for i.MX8 LPUARTs to fix UART failure.
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Merge tag 'imx-fixes-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 6.4, round 2:

- Fix SPI CS pinmux for the final production version of imx8mn-beacon
  board.
- Fix GPIOs for USDHC2 CD and WP signals on imx8qm-mek board.
- Assign default clock rate for i.MX8 LPUARTs to fix UART failure.

* tag 'imx-fixes-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: imx8mn-beacon: Fix SPI CS pinmux
  arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
  arm64: dts: imx8qm-mek: correct GPIOs for USDHC2 CD and WP signals

Link: https://lore.kernel.org/r/20230607141312.GU4199@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-06-09 14:15:27 +02:00
Linus Torvalds
33f2b5785a drm fixes for 6.4-rc6
fb-helper:
 - Fill in fb-helper vars more correctly.
 
 amdgpu:
 - S0ix fixes
 - GPU reset fixes
 - SMU13 fixes
 - SMU11 fixes
 - Misc Display fixes
 - Revert RV/RV2/PCO clock counter changes
 - Fix Stoney xclk value
 - Fix reserved vram debug info
 
 radeon:
 - Fix a potential use after free
 
 i915:
 - CDCLK voltage fix for ADL-P
 - eDP wake sync pulse fix.
 - Two error handling fixes to selftests
 
 exynos:
 - Fix wrong return in Exynos vidi driver.
 - Fix use-after-free issue to Exynos g2d driver.
 
 ast:
 - resume and modeset fixes for ast.
 
 ivpu:
 - Assorted ivpu fixes.
 
 lima:
 - lima context destroy fix.
 
 msm:
 - Fix max segment size to address splat on newer a6xx
 - Disable PSR by default w/ modparam to re-enable, since there
   still seems to be a lingering issue
 - Fix HPD issue
 - Fix issue with unitialized GMU mutex
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Merge tag 'drm-fixes-2023-06-09' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Bit busier and a bit more scattered than usual. amdgpu is the main
  one, with ivpu and msm having a few fixes, then i915, exynos, ast,
  lima, radeon with some misc bits, but overall nothing standing out.

  fb-helper:
   - Fill in fb-helper vars more correctly

  amdgpu:
   - S0ix fixes
   - GPU reset fixes
   - SMU13 fixes
   - SMU11 fixes
   - Misc Display fixes
   - Revert RV/RV2/PCO clock counter changes
   - Fix Stoney xclk value
   - Fix reserved vram debug info

  radeon:
   - Fix a potential use after free

  i915:
   - CDCLK voltage fix for ADL-P
   - eDP wake sync pulse fix
   - Two error handling fixes to selftests

  exynos:
   - Fix wrong return in Exynos vidi driver
   - Fix use-after-free issue to Exynos g2d driver

  ast:
   - resume and modeset fixes for ast

  ivpu:
   - Assorted ivpu fixes

  lima:
   - lima context destroy fix

  msm:
   - Fix max segment size to address splat on newer a6xx
   - Disable PSR by default w/ modparam to re-enable, since there still
     seems to be a lingering issue
   - Fix HPD issue
   - Fix issue with unitialized GMU mutex"

* tag 'drm-fixes-2023-06-09' of git://anongit.freedesktop.org/drm/drm: (32 commits)
  drm/msm/a6xx: initialize GMU mutex earlier
  drm/msm/dp: enable HDP plugin/unplugged interrupts at hpd_enable/disable
  accel/ivpu: Fix sporadic VPU boot failure
  accel/ivpu: Do not use mutex_lock_interruptible
  accel/ivpu: Do not trigger extra VPU reset if the VPU is idle
  drm/amd/display: Reduce sdp bw after urgent to 90%
  drm/amdgpu: change reserved vram info print
  drm/amdgpu: fix xclk freq on CHIP_STONEY
  drm/radeon: fix race condition UAF in radeon_gem_set_domain_ioctl
  Revert "drm/amdgpu: switch to golden tsc registers for raven/raven2"
  Revert "drm/amdgpu: Differentiate between Raven2 and Raven/Picasso according to revision id"
  Revert "drm/amdgpu: change the reference clock for raven/raven2"
  drm/amd/display: add ODM case when looking for first split pipe
  drm/amd: Make lack of `ACPI_FADT_LOW_POWER_S0` or `CONFIG_AMD_PMC` louder during suspend path
  drm/amd/pm: conditionally disable pcie lane switching for some sienna_cichlid SKUs
  drm/amd/pm: Fix power context allocation in SMU13
  drm/amdgpu: fix Null pointer dereference error in amdgpu_device_recover_vram
  drm/amd: Disallow s0ix without BIOS support again
  drm/i915/selftests: Add some missing error propagation
  drm/exynos: fix race condition UAF in exynos_g2d_exec_ioctl
  ...
2023-06-08 19:14:10 -07:00
Linus Torvalds
9cd6357f10 cgroup: Fixes for v6.4-rc5
* Fix css_set reference leaks on fork failures.
 
 * Fix CPU hotplug locking in cgroup_transfer_tasks() which is used by
   cgroup1 cpuset.
 
 * Doc update.
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Merge tag 'cgroup-for-6.4-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fixes from Tejun Heo:

 - Fix css_set reference leaks on fork failures

 - Fix CPU hotplug locking in cgroup_transfer_tasks() which is used by
   cgroup1 cpuset

 - Doc update

* tag 'cgroup-for-6.4-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: Documentation: Clarify usage of memory limits
  cgroup: always put cset in cgroup_css_set_put_fork
  cgroup: fix missing cpus_read_{lock,unlock}() in cgroup_transfer_tasks()
2023-06-08 18:52:54 -07:00
Dave Airlie
986c34b495 Merge tag 'drm-msm-fixes-2023-06-08' of https://gitlab.freedesktop.org/drm/msm into drm-fixes
A few more late fixes for v6.4-rc6

+ Fix max segment size to address splat on newer a6xx
+ Disable PSR by default w/ modparam to re-enable, since there
  still seems to be a lingering issue
+ Fix HPD issue
+ Fix issue with unitialized GMU mutex

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGufjVZRNT6YfQ7YUXFC7Cz95wdLF7QHAYkiGfp+3Xc3DQ@mail.gmail.com
2023-06-09 11:20:23 +10:00
Dmitry Baryshkov
12abd735f0 drm/msm/a6xx: initialize GMU mutex earlier
Move GMU mutex initialization earlier to make sure that it is always
initialized. a6xx_destroy can be called from ther failure path before
GMU initialization.

This fixes the following backtrace:

------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 58 at kernel/locking/mutex.c:582 __mutex_lock+0x1ec/0x3d0
Modules linked in:
CPU: 0 PID: 58 Comm: kworker/u16:1 Not tainted 6.3.0-rc5-00155-g187c06436519 #565
Hardware name: Qualcomm Technologies, Inc. SM8350 HDK (DT)
Workqueue: events_unbound deferred_probe_work_func
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __mutex_lock+0x1ec/0x3d0
lr : __mutex_lock+0x1ec/0x3d0
sp : ffff800008993620
x29: ffff800008993620 x28: 0000000000000002 x27: ffff47b253c52800
x26: 0000000001000606 x25: ffff47b240bb2810 x24: fffffffffffffff4
x23: 0000000000000000 x22: ffffc38bba15ac14 x21: 0000000000000002
x20: ffff800008993690 x19: ffff47b2430cc668 x18: fffffffffffe98f0
x17: 6f74616c75676572 x16: 20796d6d75642067 x15: 0000000000000038
x14: 0000000000000000 x13: ffffc38bbba050b8 x12: 0000000000000666
x11: 0000000000000222 x10: ffffc38bbba603e8 x9 : ffffc38bbba050b8
x8 : 00000000ffffefff x7 : ffffc38bbba5d0b8 x6 : 0000000000000222
x5 : 000000000000bff4 x4 : 40000000fffff222 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff47b240cb1880
Call trace:
 __mutex_lock+0x1ec/0x3d0
 mutex_lock_nested+0x2c/0x38
 a6xx_destroy+0xa0/0x138
 a6xx_gpu_init+0x41c/0x618
 adreno_bind+0x188/0x290
 component_bind_all+0x118/0x248
 msm_drm_bind+0x1c0/0x670
 try_to_bring_up_aggregate_device+0x164/0x1d0
 __component_add+0xa8/0x16c
 component_add+0x14/0x20
 dsi_dev_attach+0x20/0x2c
 dsi_host_attach+0x9c/0x144
 devm_mipi_dsi_attach+0x34/0xac
 lt9611uxc_attach_dsi.isra.0+0x84/0xfc
 lt9611uxc_probe+0x5b8/0x67c
 i2c_device_probe+0x1ac/0x358
 really_probe+0x148/0x2ac
 __driver_probe_device+0x78/0xe0
 driver_probe_device+0x3c/0x160
 __device_attach_driver+0xb8/0x138
 bus_for_each_drv+0x84/0xe0
 __device_attach+0x9c/0x188
 device_initial_probe+0x14/0x20
 bus_probe_device+0xac/0xb0
 deferred_probe_work_func+0x8c/0xc8
 process_one_work+0x2bc/0x594
 worker_thread+0x228/0x438
 kthread+0x108/0x10c
 ret_from_fork+0x10/0x20
irq event stamp: 299345
hardirqs last  enabled at (299345): [<ffffc38bb9ba61e4>] put_cpu_partial+0x1c8/0x22c
hardirqs last disabled at (299344): [<ffffc38bb9ba61dc>] put_cpu_partial+0x1c0/0x22c
softirqs last  enabled at (296752): [<ffffc38bb9890434>] _stext+0x434/0x4e8
softirqs last disabled at (296741): [<ffffc38bb989669c>] ____do_softirq+0x10/0x1c
---[ end trace 0000000000000000 ]---

Fixes: 4cd15a3e8b ("drm/msm/a6xx: Make GPU destroy a bit safer")
Cc: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/531540/
Signed-off-by: Rob Clark <robdclark@chromium.org>
2023-06-08 18:10:51 -07:00
Kuogee Hsieh
a8e981ac2d drm/msm/dp: enable HDP plugin/unplugged interrupts at hpd_enable/disable
The internal_hpd flag is set to true by dp_bridge_hpd_enable() and set to
false by dp_bridge_hpd_disable() to handle GPIO pinmuxed into DP controller
case. HDP related interrupts can not be enabled until internal_hpd is set
to true. At current implementation dp_display_config_hpd() will initialize
DP host controller first followed by enabling HDP related interrupts if
internal_hpd was true at that time. Enable HDP related interrupts depends on
internal_hpd status may leave system with DP driver host is in running state
but without HDP related interrupts being enabled. This will prevent external
display from being detected. Eliminated this dependency by moving HDP related
interrupts enable/disable be done at dp_bridge_hpd_enable/disable() directly
regardless of internal_hpd status.

Changes in V3:
-- dp_catalog_ctrl_hpd_enable() and dp_catalog_ctrl_hpd_disable()
-- rewording ocmmit text

Changes in V4:
-- replace dp_display_config_hpd() with dp_display_host_start()
-- move enable_irq() at dp_display_host_start();

Changes in V5:
-- replace dp_display_host_start() with dp_display_host_init()

Changes in V6:
-- squash remove enable_irq() and disable_irq()

Fixes: cd198cadde ("drm/msm/dp: Rely on hpd_enable/disable callbacks")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Tested-by: Leonard Lausen <leonard@lausen.nl> # on sc7180 lazor
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Tested-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/1684878756-17830-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2023-06-08 18:10:44 -07:00
Dave Airlie
bcd84301a3 Merge tag 'drm-misc-fixes-2023-06-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.4-rc6:
- resume and modeset fixes for ast.
- Fill in fb-helper vars more correctly.
- Assorted ivpu fixes.
- lima context destroy fix.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ea6b88ec-b653-3781-0b68-cd0275c27923@linux.intel.com
2023-06-09 11:10:10 +10:00
Dave Airlie
02b8f0b755 Two fixups
- Fix wrong return in Exynos vidi driver.
 - Fix use-after-free issue to Exynos g2d driver.
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Merge tag 'exynos-drm-fixes-for-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes

Two fixups
- Fix wrong return in Exynos vidi driver.
- Fix use-after-free issue to Exynos g2d driver.

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

From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230607043148.43303-1-inki.dae@samsung.com
2023-06-09 11:09:47 +10:00
Dave Airlie
d6d4f0a118 Merge tag 'drm-intel-fixes-2023-06-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
CDCLK voltage fix for ADL-P and eDP wake sync pulse fix.
Two error handling fixes to selftests (to appease static checkers)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZIGUHBz7+LsqN2nm@jlahtine-mobl.ger.corp.intel.com
2023-06-09 10:57:27 +10:00
Dave Airlie
b1913ff4d8 Merge tag 'amd-drm-fixes-6.4-2023-06-07' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.4-2023-06-07:

amdgpu:
- S0ix fixes
- GPU reset fixes
- SMU13 fixes
- SMU11 fixes
- Misc Display fixes
- Revert RV/RV2/PCO clock counter changes
- Fix Stoney xclk value
- Fix reserved vram debug info

radeon:
- Fix a potential use after free

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230607213740.7723-1-alexander.deucher@amd.com
2023-06-09 09:19:57 +10:00
Linus Torvalds
8d15d5e185 arm64 fixes for -rc6
- Fix build breakage due to bogus MAX_ORDER definitions on !4k pages
 
 - Avoid masking fault address for perf software events
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "Two tiny arm64 fixes for -rc6.

  One fixes a build breakage when MAX_ORDER can be nonsensical if
  CONFIG_EXPERT=y and the other fixes the address masking for perf's
  page fault software events so that it is consistent amongst them:

   - Fix build breakage due to bogus MAX_ORDER definitions on !4k pages

   - Avoid masking fault address for perf software events"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mm: pass original fault address to handle_mm_fault() in PER_VMA_LOCK block
  arm64: Remove the ARCH_FORCE_MAX_ORDER config input prompt
2023-06-08 13:54:26 -07:00
Mike Christie
4b13cbef79 vhost: Fix worker hangs due to missed wake up calls
We can race where we have added work to the work_list, but
vhost_task_fn has passed that check but not yet set us into
TASK_INTERRUPTIBLE. wake_up_process will see us in TASK_RUNNING and
just return.

This bug was intoduced in commit f9010dbdce ("fork, vhost: Use
CLONE_THREAD to fix freezer/ps regression") when I moved the setting
of TASK_INTERRUPTIBLE to simplfy the code and avoid get_signal from
logging warnings about being in the wrong state. This moves the setting
of TASK_INTERRUPTIBLE back to before we test if we need to stop the
task to avoid a possible race there as well. We then have vhost_worker
set TASK_RUNNING if it finds work similar to before.

Fixes: f9010dbdce ("fork, vhost: Use CLONE_THREAD to fix freezer/ps regression")
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <20230607192338.6041-3-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-08 15:43:09 -04:00
Mike Christie
a284f09eff vhost: Fix crash during early vhost_transport_send_pkt calls
If userspace does VHOST_VSOCK_SET_GUEST_CID before VHOST_SET_OWNER we
can race where:
1. thread0 calls vhost_transport_send_pkt -> vhost_work_queue
2. thread1 does VHOST_SET_OWNER which calls vhost_worker_create.
3. vhost_worker_create will set the dev->worker pointer before setting
the worker->vtsk pointer.
4. thread0's vhost_work_queue will see the dev->worker pointer is
set and try to call vhost_task_wake using not yet set worker->vtsk
pointer.
5. We then crash since vtsk is NULL.

Before commit 6e890c5d50 ("vhost: use vhost_tasks for worker
threads"), we only had the worker pointer so we could just check it to
see if VHOST_SET_OWNER has been done. After that commit we have the
vhost_worker and vhost_task pointer, so we can now hit the bug above.

This patch embeds the vhost_worker in the vhost_dev and moves the work
list initialization back to vhost_dev_init, so we can just check the
worker.vtsk pointer to check if VHOST_SET_OWNER has been done like
before.

Fixes: 6e890c5d50 ("vhost: use vhost_tasks for worker threads")
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <20230607192338.6041-2-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: syzbot+d0d442c22fa8db45ff0e@syzkaller.appspotmail.com
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
2023-06-08 15:43:09 -04:00
Andrey Smetanin
1f5d2e3bab vhost_net: revert upend_idx only on retriable error
Fix possible virtqueue used buffers leak and corresponding stuck
in case of temporary -EIO from sendmsg() which is produced by
tun driver while backend device is not up.

In case of no-retriable error and zcopy do not revert upend_idx
to pass packet data (that is update used_idx in corresponding
vhost_zerocopy_signal_used()) as if packet data has been
transferred successfully.

v2: set vq->heads[ubuf->desc].len equal to VHOST_DMA_DONE_LEN
in case of fake successful transmit.

Signed-off-by: Andrey Smetanin <asmetanin@yandex-team.ru>
Message-Id: <20230424204411.24888-1-asmetanin@yandex-team.ru>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andrey Smetanin <asmetanin@yandex-team.ru>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-08 15:43:08 -04:00
Shannon Nelson
376daf3177 vhost_vdpa: tell vqs about the negotiated
As is done in the net, iscsi, and vsock vhost support, let the vdpa vqs
know about the features that have been negotiated.  This allows vhost
to more safely make decisions based on the features, such as when using
PACKED vs split queues.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230424225031.18947-2-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-08 15:43:08 -04:00
Dragos Tatulea
73790bdfba vdpa/mlx5: Fix hang when cvq commands are triggered during device unregister
Currently the vdpa device is unregistered after the workqueue that
processes vq commands is disabled. However, the device unregister
process can still send commands to the cvq (a vlan delete for example)
which leads to a hang because the handing workqueue has been disabled
and the command never finishes:

 [ 2263.095764] rcu: INFO: rcu_sched self-detected stall on CPU
 [ 2263.096307] rcu:        9-....: (5250 ticks this GP) idle=dac4/1/0x4000000000000000 softirq=111009/111009 fqs=2544
 [ 2263.097154] rcu:        (t=5251 jiffies g=393549 q=347 ncpus=10)
 [ 2263.097648] CPU: 9 PID: 94300 Comm: kworker/u20:2 Not tainted 6.3.0-rc6_for_upstream_min_debug_2023_04_14_00_02 #1
 [ 2263.098535] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
 [ 2263.099481] Workqueue: mlx5_events mlx5_vhca_state_work_handler [mlx5_core]
 [ 2263.100143] RIP: 0010:virtnet_send_command+0x109/0x170
 [ 2263.100621] Code: 1d df f5 ff 85 c0 78 5c 48 8b 7b 08 e8 d0 c5 f5 ff 84 c0 75 11 eb 22 48 8b 7b 08 e8 01 b7 f5 ff 84 c0 75 15 f3 90 48 8b 7b 08 <48> 8d 74 24 04 e8 8d c5 f5 ff 48 85 c0 74 de 48 8b 83 f8 00 00 00
 [ 2263.102148] RSP: 0018:ffff888139cf36e8 EFLAGS: 00000246
 [ 2263.102624] RAX: 0000000000000000 RBX: ffff888166bea940 RCX: 0000000000000001
 [ 2263.103244] RDX: 0000000000000000 RSI: ffff888139cf36ec RDI: ffff888146763800
 [ 2263.103864] RBP: ffff888139cf3710 R08: ffff88810d201000 R09: 0000000000000000
 [ 2263.104473] R10: 0000000000000002 R11: 0000000000000003 R12: 0000000000000002
 [ 2263.105082] R13: 0000000000000002 R14: ffff888114528400 R15: ffff888166bea000
 [ 2263.105689] FS:  0000000000000000(0000) GS:ffff88852cc80000(0000) knlGS:0000000000000000
 [ 2263.106404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 [ 2263.106925] CR2: 00007f31f394b000 CR3: 000000010615b006 CR4: 0000000000370ea0
 [ 2263.107542] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 [ 2263.108163] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 [ 2263.108769] Call Trace:
 [ 2263.109059]  <TASK>
 [ 2263.109320]  ? check_preempt_wakeup+0x11f/0x230
 [ 2263.109750]  virtnet_vlan_rx_kill_vid+0x5a/0xa0
 [ 2263.110180]  vlan_vid_del+0x9c/0x170
 [ 2263.110546]  vlan_device_event+0x351/0x760 [8021q]
 [ 2263.111004]  raw_notifier_call_chain+0x41/0x60
 [ 2263.111426]  dev_close_many+0xcb/0x120
 [ 2263.111808]  unregister_netdevice_many_notify+0x130/0x770
 [ 2263.112297]  ? wq_worker_running+0xa/0x30
 [ 2263.112688]  unregister_netdevice_queue+0x89/0xc0
 [ 2263.113128]  unregister_netdev+0x18/0x20
 [ 2263.113512]  virtnet_remove+0x4f/0x230
 [ 2263.113885]  virtio_dev_remove+0x31/0x70
 [ 2263.114273]  device_release_driver_internal+0x18f/0x1f0
 [ 2263.114746]  bus_remove_device+0xc6/0x130
 [ 2263.115146]  device_del+0x173/0x3c0
 [ 2263.115502]  ? kernfs_find_ns+0x35/0xd0
 [ 2263.115895]  device_unregister+0x1a/0x60
 [ 2263.116279]  unregister_virtio_device+0x11/0x20
 [ 2263.116706]  device_release_driver_internal+0x18f/0x1f0
 [ 2263.117182]  bus_remove_device+0xc6/0x130
 [ 2263.117576]  device_del+0x173/0x3c0
 [ 2263.117929]  ? vdpa_dev_remove+0x20/0x20 [vdpa]
 [ 2263.118364]  device_unregister+0x1a/0x60
 [ 2263.118752]  mlx5_vdpa_dev_del+0x4c/0x80 [mlx5_vdpa]
 [ 2263.119232]  vdpa_match_remove+0x21/0x30 [vdpa]
 [ 2263.119663]  bus_for_each_dev+0x71/0xc0
 [ 2263.120054]  vdpa_mgmtdev_unregister+0x57/0x70 [vdpa]
 [ 2263.120520]  mlx5v_remove+0x12/0x20 [mlx5_vdpa]
 [ 2263.120953]  auxiliary_bus_remove+0x18/0x30
 [ 2263.121356]  device_release_driver_internal+0x18f/0x1f0
 [ 2263.121830]  bus_remove_device+0xc6/0x130
 [ 2263.122223]  device_del+0x173/0x3c0
 [ 2263.122581]  ? devl_param_driverinit_value_get+0x29/0x90
 [ 2263.123070]  mlx5_rescan_drivers_locked+0xc4/0x2d0 [mlx5_core]
 [ 2263.123633]  mlx5_unregister_device+0x54/0x80 [mlx5_core]
 [ 2263.124169]  mlx5_uninit_one+0x54/0x150 [mlx5_core]
 [ 2263.124656]  mlx5_sf_dev_remove+0x45/0x90 [mlx5_core]
 [ 2263.125153]  auxiliary_bus_remove+0x18/0x30
 [ 2263.125560]  device_release_driver_internal+0x18f/0x1f0
 [ 2263.126052]  bus_remove_device+0xc6/0x130
 [ 2263.126451]  device_del+0x173/0x3c0
 [ 2263.126815]  mlx5_sf_dev_remove+0x39/0xf0 [mlx5_core]
 [ 2263.127318]  mlx5_sf_dev_state_change_handler+0x178/0x270 [mlx5_core]
 [ 2263.127920]  blocking_notifier_call_chain+0x5a/0x80
 [ 2263.128379]  mlx5_vhca_state_work_handler+0x151/0x200 [mlx5_core]
 [ 2263.128951]  process_one_work+0x1bb/0x3c0
 [ 2263.129355]  ? process_one_work+0x3c0/0x3c0
 [ 2263.129766]  worker_thread+0x4d/0x3c0
 [ 2263.130140]  ? process_one_work+0x3c0/0x3c0
 [ 2263.130548]  kthread+0xb9/0xe0
 [ 2263.130895]  ? kthread_complete_and_exit+0x20/0x20
 [ 2263.131349]  ret_from_fork+0x1f/0x30
 [ 2263.131717]  </TASK>

The fix is to disable and destroy the workqueue after the device
unregister. It is expected that vhost will not trigger kicks after
the unregister. But even if it would, the wq is disabled already by
setting the pointer to NULL (done so in the referenced commit).

Fixes: ad6dc1daaf ("vdpa/mlx5: Avoid processing works if workqueue was destroyed")
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20230516095800.3549932-1-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-08 15:43:08 -04:00
Rong Tao
c66dbc39a7 tools/virtio: Add .gitignore for ringtest
Ignore executables for ringtest.

Signed-off-by: Rong Tao <rongtao@cestc.cn>
Message-Id: <tencent_C121802C93CB4095C6D7D95113442E830A07@qq.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-08 15:43:08 -04:00
Rong Tao
57380fd124 tools/virtio: Fix arm64 ringtest compilation error
Add cpu_relax() for arm64 instead of directly assert(), and add assert.h
header file. Also, add smp_wmb and smp_mb for arm64.

Compilation error as follows, avoid __always_inline undefined.

    $ make
    cc -Wall -pthread -O2 -ggdb -flto -fwhole-program -c -o ring.o ring.c
    In file included from ring.c:10:
    main.h: In function ‘busy_wait’:
    main.h:99:21: warning: implicit declaration of function ‘assert’
    [-Wimplicit-function-declaration]
    99 | #define cpu_relax() assert(0)
        |                     ^~~~~~
    main.h:107:17: note: in expansion of macro ‘cpu_relax’
    107 |                 cpu_relax();
        |                 ^~~~~~~~~
    main.h:12:1: note: ‘assert’ is defined in header ‘<assert.h>’; did you
    forget to ‘#include <assert.h>’?
    11 | #include <stdbool.h>
    +++ |+#include <assert.h>
    12 |
    main.h: At top level:
    main.h:143:23: error: expected ‘;’ before ‘void’
    143 | static __always_inline
        |                       ^
        |                       ;
    144 | void __read_once_size(const volatile void *p, void *res, int
    size)
        | ~~~~
    main.h:158:23: error: expected ‘;’ before ‘void’
    158 | static __always_inline void __write_once_size(volatile void *p,
    void *res, int size)
        |                       ^~~~~
        |                       ;
    make: *** [<builtin>: ring.o] Error 1

Signed-off-by: Rong Tao <rongtao@cestc.cn>
Message-Id: <tencent_F53E159DD7925174445D830DA19FACF44B07@qq.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-08 15:43:08 -04:00
Sheng Zhao
a90e8608eb vduse: avoid empty string for dev name
Syzkaller hits a kernel WARN when the first character of the dev name
provided is NULL. Solution is to add a NULL check before calling
cdev_device_add() in vduse_create_dev().

kobject: (0000000072042169): attempted to be registered with empty name!
WARNING: CPU: 0 PID: 112695 at lib/kobject.c:236
Call Trace:
 kobject_add_varg linux/src/lib/kobject.c:390 [inline]
 kobject_add+0xf6/0x150 linux/src/lib/kobject.c:442
 device_add+0x28f/0xc20 linux/src/drivers/base/core.c:2167
 cdev_device_add+0x83/0xc0 linux/src/fs/char_dev.c:546
 vduse_create_dev linux/src/drivers/vdpa/vdpa_user/vduse_dev.c:2254 [inline]
 vduse_ioctl+0x7b5/0xf30 linux/src/drivers/vdpa/vdpa_user/vduse_dev.c:2316
 vfs_ioctl linux/src/fs/ioctl.c:47 [inline]
 file_ioctl linux/src/fs/ioctl.c:510 [inline]
 do_vfs_ioctl+0x14b/0xa80 linux/src/fs/ioctl.c:697
 ksys_ioctl+0x7c/0xa0 linux/src/fs/ioctl.c:714
 __do_sys_ioctl linux/src/fs/ioctl.c:721 [inline]
 __se_sys_ioctl linux/src/fs/ioctl.c:719 [inline]
 __x64_sys_ioctl+0x42/0x50 linux/src/fs/ioctl.c:719
 do_syscall_64+0x94/0x330 linux/src/arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: c8a6153b6c ("vduse: Introduce VDUSE - vDPA Device in Userspace")
Cc: "Xie Yongji" <xieyongji@bytedance.com>
Reported-by: Xianjun Zeng <zengxianjun@bytedance.com>
Signed-off-by: Sheng Zhao <sheng.zhao@bytedance.com>
Message-Id: <20230530033626.1266794-1-sheng.zhao@bytedance.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
Cc: "Michael S. Tsirkin"<mst@redhat.com>, "Jason Wang"<jasowang@redhat.com>,
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
2023-06-08 15:43:08 -04:00
Biju Das
8d38800a76 MAINTAINERS: Add entries for Renesas RZ/V2M I2C driver
Add the MAINTAINERS entries for the Renesas RZ/V2M I2C driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-06-08 20:49:59 +02:00
Ruan Jinjie
99a670b206
riscv: fix kprobe __user string arg print fault issue
On riscv qemu platform, when add kprobe event on do_sys_open() to show
filename string arg, it just print fault as follow:

echo 'p:myprobe do_sys_open dfd=$arg1 filename=+0($arg2):string flags=$arg3
mode=$arg4' > kprobe_events

bash-166     [000] ...1.   360.195367: myprobe: (do_sys_open+0x0/0x84)
dfd=0xffffffffffffff9c filename=(fault) flags=0x8241 mode=0x1b6

bash-166     [000] ...1.   360.219369: myprobe: (do_sys_open+0x0/0x84)
dfd=0xffffffffffffff9c filename=(fault) flags=0x8241 mode=0x1b6

bash-191     [000] ...1.   360.378827: myprobe: (do_sys_open+0x0/0x84)
dfd=0xffffffffffffff9c filename=(fault) flags=0x98800 mode=0x0

As riscv do not select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE,
the +0($arg2) addr is processed as a kernel address though it is a
userspace address, cause the above filename=(fault) print. So select
ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE to avoid the issue, after that the
kprobe trace is ok as below:

bash-166     [000] ...1.    96.767641: myprobe: (do_sys_open+0x0/0x84)
dfd=0xffffffffffffff9c filename="/dev/null" flags=0x8241 mode=0x1b6

bash-166     [000] ...1.    96.793751: myprobe: (do_sys_open+0x0/0x84)
dfd=0xffffffffffffff9c filename="/dev/null" flags=0x8241 mode=0x1b6

bash-177     [000] ...1.    96.962354: myprobe: (do_sys_open+0x0/0x84)
dfd=0xffffffffffffff9c filename="/sys/kernel/debug/tracing/events/kprobes/"
flags=0x98800 mode=0x0

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Acked-by: Björn Töpel <bjorn@rivosinc.com>
Fixes: 0ebeea8ca8 ("bpf: Restrict bpf_probe_read{, str}() only to archs where they work")
Link: https://lore.kernel.org/r/20230504072910.3742842-1-ruanjinjie@huawei.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-06-08 10:23:19 -07:00
Linus Torvalds
25041a4c02 Networking fixes for 6.4-rc6, including fixes from can, wifi, netfilter,
bluetooth and ebpf.
 
 Current release - regressions:
 
   - bpf: sockmap: avoid potential NULL dereference in sk_psock_verdict_data_ready()
 
   - wifi: iwlwifi: fix -Warray-bounds bug in iwl_mvm_wait_d3_notif()
 
   - phylink: actually fix ksettings_set() ethtool call
 
   - eth: dwmac-qcom-ethqos: fix a regression on EMAC < 3
 
 Current release - new code bugs:
 
   - wifi: mt76: fix possible NULL pointer dereference in mt7996_mac_write_txwi()
 
 Previous releases - regressions:
 
   - netfilter: fix NULL pointer dereference in nf_confirm_cthelper
 
   - wifi: rtw88/rtw89: correct PS calculation for SUPPORTS_DYNAMIC_PS
 
   - openvswitch: fix upcall counter access before allocation
 
   - bluetooth:
     - fix use-after-free in hci_remove_ltk/hci_remove_irk
     - fix l2cap_disconnect_req deadlock
 
   - nic: bnxt_en: prevent kernel panic when receiving unexpected PHC_UPDATE event
 
 Previous releases - always broken:
 
   - core: annotate rfs lockless accesses
 
   - sched: fq_pie: ensure reasonable TCA_FQ_PIE_QUANTUM values
 
   - netfilter: add null check for nla_nest_start_noflag() in nft_dump_basechain_hook()
 
   - bpf: fix UAF in task local storage
 
   - ipv4: ping_group_range: allow GID from 2147483648 to 4294967294
 
   - ipv6: rpl: fix route of death.
 
   - tcp: gso: really support BIG TCP
 
   - mptcp: fixes for user-space PM address advertisement
 
   - smc: avoid to access invalid RMBs' MRs in SMCRv1 ADD LINK CONT
 
   - can: avoid possible use-after-free when j1939_can_rx_register fails
 
   - batman-adv: fix UaF while rescheduling delayed work
 
   - eth: qede: fix scheduling while atomic
 
   - eth: ice: make writes to /dev/gnssX synchronous
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from can, wifi, netfilter, bluetooth and ebpf.

  Current release - regressions:

   - bpf: sockmap: avoid potential NULL dereference in
     sk_psock_verdict_data_ready()

   - wifi: iwlwifi: fix -Warray-bounds bug in iwl_mvm_wait_d3_notif()

   - phylink: actually fix ksettings_set() ethtool call

   - eth: dwmac-qcom-ethqos: fix a regression on EMAC < 3

  Current release - new code bugs:

   - wifi: mt76: fix possible NULL pointer dereference in
     mt7996_mac_write_txwi()

  Previous releases - regressions:

   - netfilter: fix NULL pointer dereference in nf_confirm_cthelper

   - wifi: rtw88/rtw89: correct PS calculation for SUPPORTS_DYNAMIC_PS

   - openvswitch: fix upcall counter access before allocation

   - bluetooth:
      - fix use-after-free in hci_remove_ltk/hci_remove_irk
      - fix l2cap_disconnect_req deadlock

   - nic: bnxt_en: prevent kernel panic when receiving unexpected
     PHC_UPDATE event

  Previous releases - always broken:

   - core: annotate rfs lockless accesses

   - sched: fq_pie: ensure reasonable TCA_FQ_PIE_QUANTUM values

   - netfilter: add null check for nla_nest_start_noflag() in
     nft_dump_basechain_hook()

   - bpf: fix UAF in task local storage

   - ipv4: ping_group_range: allow GID from 2147483648 to 4294967294

   - ipv6: rpl: fix route of death.

   - tcp: gso: really support BIG TCP

   - mptcp: fixes for user-space PM address advertisement

   - smc: avoid to access invalid RMBs' MRs in SMCRv1 ADD LINK CONT

   - can: avoid possible use-after-free when j1939_can_rx_register fails

   - batman-adv: fix UaF while rescheduling delayed work

   - eth: qede: fix scheduling while atomic

   - eth: ice: make writes to /dev/gnssX synchronous"

* tag 'net-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
  bnxt_en: Implement .set_port / .unset_port UDP tunnel callbacks
  bnxt_en: Prevent kernel panic when receiving unexpected PHC_UPDATE event
  bnxt_en: Skip firmware fatal error recovery if chip is not accessible
  bnxt_en: Query default VLAN before VNIC setup on a VF
  bnxt_en: Don't issue AP reset during ethtool's reset operation
  bnxt_en: Fix bnxt_hwrm_update_rss_hash_cfg()
  net: bcmgenet: Fix EEE implementation
  eth: ixgbe: fix the wake condition
  eth: bnxt: fix the wake condition
  lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release()
  bpf: Add extra path pointer check to d_path helper
  net: sched: fix possible refcount leak in tc_chain_tmplt_add()
  net: sched: act_police: fix sparse errors in tcf_police_dump()
  net: openvswitch: fix upcall counter access before allocation
  net: sched: move rtm_tca_policy declaration to include file
  ice: make writes to /dev/gnssX synchronous
  net: sched: add rcu annotations around qdisc->qdisc_sleeping
  rfs: annotate lockless accesses to RFS sock flow table
  rfs: annotate lockless accesses to sk->sk_rxhash
  virtio_net: use control_buf for coalesce params
  ...
2023-06-08 09:27:19 -07:00
Linus Torvalds
79b6fad546 xfs: fixes for 6.4-rc5
This update contains:
 - Propagate unlinked inode list corruption back up to log recovery (regression
   fix).
 - improve corruption detection for AGFL entries, AGFL indexes and XEFI extents
   (syzkaller fuzzer oops report).
 - Avoid double perag reference release (regression fix).
 - Improve extent merging detection in scrub (regression fix).
 - Fix a new undefined high bit shift (regression fix).
 - Fix for AGF vs inode cluster buffer deadlock (regression fix).
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Merge tag 'xfs-6.4-rc5-fixes' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Dave Chinner:
 "These are a set of regression fixes discovered on recent kernels. I
  was hoping to send this to you a week and half ago, but events out of
  my control delayed finalising the changes until early this week.

  Whilst the diffstat looks large for this stage of the merge window, a
  large chunk of it comes from moving the guts of one function from one
  file to another i.e. it's the same code, it is just run in a different
  context where it is safe to hold a specific lock. Otherwise the
  individual changes are relatively small and straigtht forward.

  Summary:

   - Propagate unlinked inode list corruption back up to log recovery
     (regression fix)

   - improve corruption detection for AGFL entries, AGFL indexes and
     XEFI extents (syzkaller fuzzer oops report)

   - Avoid double perag reference release (regression fix)

   - Improve extent merging detection in scrub (regression fix)

   - Fix a new undefined high bit shift (regression fix)

   - Fix for AGF vs inode cluster buffer deadlock (regression fix)"

* tag 'xfs-6.4-rc5-fixes' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: collect errors from inodegc for unlinked inode recovery
  xfs: validate block number being freed before adding to xefi
  xfs: validity check agbnos on the AGFL
  xfs: fix agf/agfl verification on v4 filesystems
  xfs: fix double xfs_perag_rele() in xfs_filestream_pick_ag()
  xfs: fix broken logic when detecting mergeable bmap records
  xfs: Fix undefined behavior of shift into sign bit
  xfs: fix AGF vs inode cluster buffer deadlock
  xfs: defered work could create precommits
  xfs: restore allocation trylock iteration
  xfs: buffer pins need to hold a buffer reference
2023-06-08 08:46:58 -07:00
Theodore Ts'o
dea9d8f764 ext4: only check dquot_initialize_needed() when debugging
ext4_xattr_block_set() relies on its caller to call dquot_initialize()
on the inode.  To assure that this has happened there are WARN_ON
checks.  Unfortunately, this is subject to false positives if there is
an antagonist thread which is flipping the file system at high rates
between r/o and rw.  So only do the check if EXT4_XATTR_DEBUG is
enabled.

Link: https://lore.kernel.org/r/20230608044056.GA1418535@mit.edu
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2023-06-08 10:06:40 -04:00
Theodore Ts'o
1b29243933 Revert "ext4: don't clear SB_RDONLY when remounting r/w until quota is re-enabled"
This reverts commit a44be64bbe.

Link: https://lore.kernel.org/r/653b3359-2005-21b1-039d-c55ca4cffdcc@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2023-06-08 09:57:04 -04:00
Charles Keepax
58d95889f3 soundwire: stream: Add missing clear of alloc_slave_rt
The current path that skips allocating the slave runtime does not clear
the alloc_slave_rt flag, this is clearly incorrect. Add the missing
clear, so the runtime won't be erroneously cleaned up.

Fixes: f3016b891c ("soundwire: stream: sdw_stream_add_ functions can be called multiple times")
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230602101140.2040141-1-ckeepax@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-06-08 17:08:04 +05:30
Paolo Abeni
6c0ec7ab5a Merge branch 'bnxt_en-bug-fixes'
Michael Chan says:

====================
bnxt_en: Bug fixes

This patchset has the following fixes for bnxt_en:

1. Add missing VNIC ID parameter in the FW message when getting an
updated RSS configuration from the FW.

2. Fix a warning when doing ethtool reset on newer chips.

3. Fix VLAN issue on a VF when a default VLAN is assigned.

4. Fix a problem during DPC (Downstream Port containment) scenario.

5. Fix a NULL pointer dereference when receiving a PTP event from FW.

6. Fix VXLAN/Geneve UDP port delete/add with newer FW.
====================

Link: https://lore.kernel.org/r/20230607075409.228450-1-michael.chan@broadcom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-06-08 10:52:48 +02:00
Somnath Kotur
1eb4ef1259 bnxt_en: Implement .set_port / .unset_port UDP tunnel callbacks
As per the new udp tunnel framework, drivers which need to know the
details of a port entry (i.e. port type) when it gets deleted should
use the .set_port / .unset_port callbacks.

Implementing the current .udp_tunnel_sync callback would mean that the
deleted tunnel port entry would be all zeros.  This used to work on
older firmware because it would not check the input when deleting a
tunnel port.  With newer firmware, the delete will now fail and
subsequent tunnel port allocation will fail as a result.

Fixes: 442a35a5a7 ("bnxt: convert to new udp_tunnel_nic infra")
Reviewed-by: Kalesh Anakkur Purayil <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-06-08 10:52:45 +02:00
Pavan Chebbi
319a7827df bnxt_en: Prevent kernel panic when receiving unexpected PHC_UPDATE event
The firmware can send PHC_RTC_UPDATE async event on a PF that may not
have PTP registered. In such a case, there will be a null pointer
deference for bp->ptp_cfg when we try to handle the event.

Fix it by not registering for this event with the firmware if !bp->ptp_cfg.
Also, check that bp->ptp_cfg is valid before proceeding when we receive
the event.

Fixes: 8bcf6f04d4 ("bnxt_en: Handle async event when the PHC is updated in RTC mode")
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-06-08 10:52:45 +02:00