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171,029 commits

Author SHA1 Message Date
Akhil P Oommen
64ac64bb62 drm/msm/adreno: Expose a PARAM to check AQE support
AQE (Applicaton Qrisc Engine) is required to support VK ray-pipeline. Two
conditions should be met to use this HW:
  1. AQE firmware should be loaded and programmed
  2. Preemption support

Expose a new MSM_PARAM to allow userspace to query its support.

Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/714685/
Message-ID: <20260327-a8xx-gpu-batch2-v2-17-2b53c38d2101@oss.qualcomm.com>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
2026-03-31 13:47:30 -07:00
Alexander Koskovich
b50dc1e547 drm/mipi-dsi: add RGB101010 pixel format
Add MIPI_DSI_FMT_RGB101010 for 30 bit (10,10,10 RGB) pixel format,
corresponding to the packed 30 bit pixel stream defined in MIPI DSI
v1.3 Section 8.8.17.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Alexander Koskovich <akoskovich@pm.me>
Patchwork: https://patchwork.freedesktop.org/patch/713714/
Link: https://lore.kernel.org/r/20260324-dsi-rgb101010-support-v5-1-ff6afc904115@pm.me
[Acked by Maxime to be merged through msm-next on IRC on dri-devel]
[DB: moved RGB101010 to the end of enum mipi_dsi_pixel_format]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-03-25 14:05:33 +02:00
Linus Torvalds
0dfb36b2dc We have a patch that adds an initial set of tracepoints to the MDS
client from Max, a fix that hardens osdmap parsing code from myself
 (marked for stable) and a few assorted fixups.
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Merge tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "We have a patch that adds an initial set of tracepoints to the MDS
  client from Max, a fix that hardens osdmap parsing code from myself
  (marked for stable) and a few assorted fixups"

* tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client:
  rbd: stop selecting CRC32, CRYPTO, and CRYPTO_AES
  ceph: stop selecting CRC32, CRYPTO, and CRYPTO_AES
  libceph: make decode_pool() more resilient against corrupted osdmaps
  libceph: Amend checking to fix `make W=1` build breakage
  ceph: Amend checking to fix `make W=1` build breakage
  ceph: add trace points to the MDS client
  libceph: fix log output race condition in OSD client
2025-12-14 15:24:10 +12:00
Linus Torvalds
db0130185e Misc fixes:
- Fix error code in the irqchip/mchp-eic driver
  - Fix setup_percpu_irq() affinity assumptions
  - Remove the unused irq_domain_add_tree() function
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Ingo Molnar:

 - Fix error code in the irqchip/mchp-eic driver

 - Fix setup_percpu_irq() affinity assumptions

 - Remove the unused irq_domain_add_tree() function

* tag 'irq-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc()
  irqdomain: Delete irq_domain_add_tree()
  genirq: Allow NULL affinity for setup_percpu_irq()
2025-12-14 06:07:09 +12:00
Linus Torvalds
edbe407235 Miscellaneous fixes:
- Improve bug reporting
  - Suppress W=1 format warning
  - Improve rseq scalability on Clang builds
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'core-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc core fixes from Ingo Molnar:

 - Improve bug reporting

 - Suppress W=1 format warning

 - Improve rseq scalability on Clang builds

* tag 'core-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rseq: Always inline rseq_debug_syscall_return()
  bug: Hush suggest-attribute=format for __warn_printf()
  bug: Let report_bug_entry() provide the correct bugaddr
2025-12-14 06:04:16 +12:00
Linus Torvalds
9d9c1cfec0 There are no significant series in this small merge. Please see the
individual changelogs for details.
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Merge tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc updates from Andrew Morton:
 "There are no significant series in this small merge. Please see the
  individual changelogs for details"

[ Editor's note: it's mainly ocfs2 and a couple of random fixes ]

* tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: memfd_luo: add CONFIG_SHMEM dependency
  mm: shmem: avoid build warning for CONFIG_SHMEM=n
  ocfs2: fix memory leak in ocfs2_merge_rec_left()
  ocfs2: invalidate inode if i_mode is zero after block read
  ocfs2: avoid -Wflex-array-member-not-at-end warning
  ocfs2: convert remaining read-only checks to ocfs2_emergency_state
  ocfs2: add ocfs2_emergency_state helper and apply to setattr
  checkpatch: add uninitialized pointer with __free attribute check
  args: fix documentation to reflect the correct numbers
  ocfs2: fix kernel BUG in ocfs2_find_victim_chain
  liveupdate: luo_core: fix redundant bound check in luo_ioctl()
  ocfs2: validate inline xattr size and entry count in ocfs2_xattr_ibody_list
  fs/fat: remove unnecessary wrapper fat_max_cache()
  ocfs2: replace deprecated strcpy with strscpy
  ocfs2: check tl_used after reading it from trancate log inode
  liveupdate: luo_file: don't use invalid list iterator
2025-12-13 20:55:12 +12:00
Linus Torvalds
2516a87153 Patch series in this pull request:
- The 2 patch series "powerpc/pseries/cmm: two smaller fixes" from David
   Hildenbrand fixes a couple of minor things in ppc land.
 
 - The 4 patch series "Improve folio split related functions" from Zi Yan
   provides some cleanups and minorish fixes in the folio splitting code.
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Merge tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more MM updates from Andrew Morton:

 - "powerpc/pseries/cmm: two smaller fixes" (David Hildenbrand)
   fixes a couple of minor things in ppc land

 - "Improve folio split related functions" (Zi Yan)
   some cleanups and minorish fixes in the folio splitting code

* tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/damon/tests/core-kunit: avoid damos_test_commit stack warning
  mm: vmscan: correct nr_requested tracing in scan_folios
  MAINTAINERS: add idr core-api doc file to XARRAY
  mm/hugetlb: fix incorrect error return from hugetlb_reserve_pages()
  mm: fix CONFIG_STACK_GROWSUP typo in mm.h
  mm/huge_memory: fix folio split stats counting
  mm/huge_memory: make min_order_for_split() always return an order
  mm/huge_memory: replace can_split_folio() with direct refcount calculation
  mm/huge_memory: change folio_split_supported() to folio_check_splittable()
  mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
  powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages
  powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION
2025-12-13 20:35:41 +12:00
Christian Brauner
d2ea4d254d file: ensure cleanup
Brown paper bag time. This is a silly oversight where I missed to drop
the error condition checking to ensure we clean up on early error
returns. I have an internal unit testset coming up for this which will
catch all such issues going forward.

Reported-by: Chris Mason <clm@fb.com>
Reported-by: Jeff Layton <jlayton@kernel.org>
Fixes: 011703a9ac ("file: add FD_{ADD,PREPARE}()")
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-12-13 20:04:32 +12:00
Linus Torvalds
d8cc0b917b I3C for 6.19 #2
Subsystem:
  - remove .priv_xfers
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Merge tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull further i3c update from Alexandre Belloni:
 "We are removing a legacy API callback and having this sooner rather
  than later will help ensuring no one introduces a new driver using it.

  I've also added patches removing the "__free(...) = NULL" pattern
  because I'm sure we won't avoid people sending those following the
  mailing list discussion..."

* tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: adi: Fix confusing cleanup.h syntax
  i3c: master: Fix confusing cleanup.h syntax
  i3c: master: cleanup callback .priv_xfers()
  i3c: master: switch to use new callback .i3c_xfers() from .priv_xfers()
2025-12-13 17:15:16 +12:00
Linus Torvalds
d324e9a915 RTC for 6.19
Subsystem:
  - stop setting max_user_freq from the individual drivers as this has not been
    hardware related for a while
 
 New drivers:
  - Andes ATCRTC100
  - Apple SMC
  - Nvidia VRS
 
 Drivers:
  - renesas-rtca3: add RZ/V2H support
  - tegra: add ACPI support
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Merge tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Subsystem:
   - stop setting max_user_freq from the individual drivers as this has
     not been hardware related for a while

  New drivers:
   - Andes ATCRTC100
   - Apple SMC
   - Nvidia VRS

  Drivers:
   - renesas-rtca3: add RZ/V2H support
   - tegra: add ACPI support"

* tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
  rtc: spacemit: MFD_SPACEMIT_P1 as dependencies
  rtc: atcrtc100: Fix signedness bug in probe()
  rtc: max31335: Fix ignored return value in set_alarm
  rtc: gamecube: Check the return value of ioremap()
  Documentation: ABI: testing: Fix "upto" typo in rtc-cdev
  rtc: Add new rtc-macsmc driver for Apple Silicon Macs
  dt-bindings: rtc: Add Apple SMC RTC
  MAINTAINERS: drop unneeded file entry in NVIDIA VRS RTC DRIVER
  rtc: isl12026: Add id_table
  rtc: renesas-rtca3: Add support for multiple reset lines
  dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support
  rtc: tegra: Replace deprecated SIMPLE_DEV_PM_OPS
  rtc: tegra: Add ACPI support
  rtc: tegra: Use devm_clk_get_enabled() in probe
  rtc: Kconfig: add MC34708 to mc13xxx help text
  rtc: s35390a: use u8 instead of char for register buffer
  rtc: nvvrs: add NVIDIA VRS RTC device driver
  dt-bindings: rtc: Document NVIDIA VRS RTC
  rtc: atcrtc100: Add ATCRTC100 RTC driver
  MAINTAINERS: Add entry for ATCRTC100 RTC driver
  ...
2025-12-13 17:09:06 +12:00
Linus Torvalds
db9c438739 soundwire updates for 6.19
- Support for multiple sections in a BPT stream
  - Aligning DMA frame with BPT frames
  - Qualcomm: support for v3.1.0 controllers
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Merge tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire updates from Vinod Koul:

 - Support for multiple sections in a BPT stream

 - Align DMA frame with BPT frames

 - Qualcomm support for v3.1.0 controllers

* tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: intel_ace2x: handle multi BPT sections
  soundwire: pass sdw_bpt_section to cdns BPT helpers
  soundwire: introduce BPT section
  soundwire: intel_ace2x: add fake frame to BRA read command
  soundwire: cadence_master: add fake_size parameter to sdw_cdns_prepare_read_dma_buffer
  ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
  soundwire: cadence: export sdw_cdns_bpt_find_bandwidth
  soundwire: cadence_master: set data_per_frame as frame capability
  soundwire: only compute BPT stream in sdw_compute_dp0_port_params
  soundwire: cadence_master: make frame index trace more readable
  soundwire: qcom: adding support for v3.1.0
  dt-bindings: soundwire: qcom: Document v3.1.0 version of IP block
  soundwire: qcom: prepare for v3.x
  soundwire: qcom: deprecate qcom,din/out-ports
  dt-bindings: soundwire: qcom: deprecate qcom,din/out-ports
  soundwire: qcom: remove unused rd_fifo_depth
  of: base: Add of_property_read_u8_index
2025-12-13 16:26:55 +12:00
Linus Torvalds
7f3c8f9191 sound fixes for 6.19-rc1
The rest for 6.19 merge window.  The only slightly large change is
 the enablement of CIX HD-audio controller, which took a bit time to
 be cooked up, while most of other changes are device-specific small
 trivial fixes.
 
 - Default disablement of the kconfig for decades old pre-release
   alsa-lib PCM API; it's only the default config value change, so
   it can't lead to any regressions for the existing setups
 - Support for CIX HD-audio controller
 - A few ASoC ACP fixes
 - Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
 - Trivial hardening for FireWire and USB-audio
 - HD-audio Intel binding fix and quirks
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Merge tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "The only slightly large change is the enablement of CIX HD-audio
  controller, which took a bit time to be cooked up, while most of other
  changes are device-specific small trivial fixes:

   - Default disablement of the kconfig for decades old pre-release
     alsa-lib PCM API; it's only the default config value change, so it
     can't lead to any regressions for the existing setups

   - Support for CIX HD-audio controller

   - A few ASoC ACP fixes

   - Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms

   - Trivial hardening for FireWire and USB-audio

   - HD-audio Intel binding fix and quirks"

* tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
  ALSA: hda/tas2781: Add new quirk for HP new project
  ALSA: hda: cix-ipbloq: Use modern PM ops
  ALSA: hda: intel-dsp-config: Prefer legacy driver as fallback
  ASoC: amd: acp: update tdm channels for specific DAI
  ASoC: cs35l56: Fix incorrect select SND_SOC_CS35L56_CAL_SYSFS_COMMON
  ALSA: firewire-motu: add bounds check in put_user loop for DSP events
  ASoC: cs35l41: Always return 0 when a subsystem ID is found
  ALSA: uapi: Fix typo in asound.h comment
  ALSA: Do not build obsolete API
  ALSA: hda: add CIX IPBLOQ HDA controller support
  ALSA: hda/core: add addr_offset field for bus address translation
  ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
  ALSA: hda/realtek: Add support for ASUS UM3406GA
  ALSA: hda/realtek: Add support for HP Turbine Laptops
  ALSA: usb-audio: Initialize status1 to fix uninitialized symbol errors
  ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events
  ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
  ASoC: cros_ec_codec: Remove unnecessary selection of CRYPTO
  ASoc: qcom: q6afe: fix bad guard conversion
  ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning (again)
  ...
2025-12-13 16:09:10 +12:00
Frank Li
41b80d43d9 i3c: master: cleanup callback .priv_xfers()
Remove the .priv_xfers() callback from the framework after all master
controller drivers have switched to use the new .i3c_xfers() callback.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Link: https://patch.msgid.link/20251203-i3c_xfer_cleanup_master-v2-2-7dd94d04ee2d@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2025-12-12 23:59:39 +01:00
Linus Torvalds
6bb34aff1e NFS client updates for Linux 6.19
Highlights include:
 
 Bugfixes:
 - Fix 'nlink' attribute update races when unlinking a file.
 - Add missing initialisers for the directory verifier in various places.
 - Don't regress the NFSv4 open state due to misordered racing replies.
 - Ensure the NFSv4.x callback server uses the correct transport
   connection.
 - Fix potential use-after-free races when shutting down the NFSv4.x
   callback server.
 - Fix a pNFS layout commit crash.
 - Assorted fixes to ensure correct propagation of mount options when the
   client crosses a filesystem boundary and triggers the VFS automount
   code.
 - More localio fixes.
 
 Features and cleanups:
 - Add initial support for basic directory delegations.
 - SunRPC back channel code cleanups.
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Merge tag 'nfs-for-6.19-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Bugfixes:
   - Fix 'nlink' attribute update races when unlinking a file
   - Add missing initialisers for the directory verifier in various
     places
   - Don't regress the NFSv4 open state due to misordered racing replies
   - Ensure the NFSv4.x callback server uses the correct transport
     connection
   - Fix potential use-after-free races when shutting down the NFSv4.x
     callback server
   - Fix a pNFS layout commit crash
   - Assorted fixes to ensure correct propagation of mount options when
     the client crosses a filesystem boundary and triggers the VFS
     automount code
   - More localio fixes

  Features and cleanups:
   - Add initial support for basic directory delegations
   - SunRPC back channel code cleanups"

* tag 'nfs-for-6.19-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (24 commits)
  NFSv4: Handle NFS4ERR_NOTSUPP errors for directory delegations
  nfs/localio: remove 61 byte hole from needless ____cacheline_aligned
  nfs/localio: remove alignment size checking in nfs_is_local_dio_possible
  NFS: Fix up the automount fs_context to use the correct cred
  NFS: Fix inheritance of the block sizes when automounting
  NFS: Automounted filesystems should inherit ro,noexec,nodev,sync flags
  Revert "nfs: ignore SB_RDONLY when mounting nfs"
  Revert "nfs: clear SB_RDONLY before getting superblock"
  Revert "nfs: ignore SB_RDONLY when remounting nfs"
  NFS: Add a module option to disable directory delegations
  NFS: Shortcut lookup revalidations if we have a directory delegation
  NFS: Request a directory delegation during RENAME
  NFS: Request a directory delegation on ACCESS, CREATE, and UNLINK
  NFS: Add support for sending GDD_GETATTR
  NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
  NFSv4.1: protect destroying and nullifying bc_serv structure
  SUNRPC: new helper function for stopping backchannel server
  SUNRPC: cleanup common code in backchannel request
  NFSv4.1: pass transport for callback shutdown
  NFSv4: ensure the open stateid seqid doesn't go backwards
  ...
2025-12-12 21:52:42 +12:00
Eric Dumazet
bdae29d651 rseq: Always inline rseq_debug_syscall_return()
To get the full benefit of:

  eaa9088d56 ("rseq: Use static branch for syscall exit debug when GENERIC_IRQ_ENTRY=y")

clang needs an __always_inline instead of a plain inline qualifier:

	$ for i in {1..10}; do taskset -c 4 perf5 bench syscall basic -l 100000000 | grep "ops/sec"; done

		 Before	     After
	ops/sec  15424491    15872221   +2.9%

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20251205100753.4073221-1-edumazet@google.com
2025-12-12 10:26:26 +01:00
Andy Shevchenko
e6b4d264c8 args: fix documentation to reflect the correct numbers
The macro uses up to 15 arguments.  Reflect this in the top level comment.

Link: https://lkml.kernel.org/r/20251201201018.765475-1-andriy.shevchenko@linux.intel.com
Fixes: d51e783c17 ("lsm: count the LSMs enabled at compile time")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-10 16:07:42 -08:00
Linus Torvalds
1de741159b slab fix for 6.19-rc1
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Merge tag 'slab-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fix from Vlastimil Babka:

 - A stable fix for performance regression in tests that perform
   kmem_cache_destroy() a lot, due to unnecessarily wide scope of
   kvfree_rcu_barrier() (Harry Yoo)

* tag 'slab-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  mm/slab: introduce kvfree_rcu_barrier_on_cache() for cache destruction
2025-12-11 08:54:08 +09:00
Linus Torvalds
0723a166d1 more s390 updates for 6.19 merge window
- Use the MSI parent domain API instead of the legacy API for setup and
   teardown of PCI MSI IRQs
 
 - Select POSIX_CPU_TIMERS_TASK_WORK now that VIRT_XFER_TO_GUEST_WORK has
   been implemented for s390
 
 - Fix a KVM bug which can lead to guest memory corruption
 
 - Fix KASAN shadow memory mapping for hotplugged memory
 
 - Minor bug fixes and improvements
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Merge tag 's390-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Heiko Carstens:

 - Use the MSI parent domain API instead of the legacy API for setup and
   teardown of PCI MSI IRQs

 - Select POSIX_CPU_TIMERS_TASK_WORK now that VIRT_XFER_TO_GUEST_WORK
   has been implemented for s390

 - Fix a KVM bug which can lead to guest memory corruption

 - Fix KASAN shadow memory mapping for hotplugged memory

 - Minor bug fixes and improvements

* tag 's390-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/bug: Add missing alignment
  s390/bug: Add missing CONFIG_BUG ifdef again
  KVM: s390: Fix gmap_helper_zap_one_page() again
  s390/pci: Migrate s390 IRQ logic to IRQ domain API
  genirq: Change hwirq parameter to irq_hw_number_t
  s390: Select POSIX_CPU_TIMERS_TASK_WORK
  s390: Unmap early KASAN shadow on memory offlining
  s390/vmem: Support 2G page splitting for KASAN shadow freeing
  s390/boot: Use entire page for PTEs
  s390/vmur: Use scnprintf() instead of sprintf()
2025-12-11 08:19:46 +09:00
Linus Torvalds
840b22edd5 dma-mapping fixes for Linux 6.19:
- last minute fix for missing parenthesis in the recently merged code
 (Hans de Goede) and removal of the excessive, non-fatal warnings (Dave
 Kleikamp)
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Merge tag 'dma-mapping-6.19-2025-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux

Pull dma-mapping fixes from Marek Szyprowski:

 - last minute fix for missing parenthesis in recently merged code (Hans
   de Goede)

 - removal of excessive, non-fatal warnings (Dave Kleikamp)

* tag 'dma-mapping-6.19-2025-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
  dma-mapping: Fix DMA_BIT_MASK() macro being broken
  dma/pool: eliminate alloc_pages warning in atomic_pool_expand
2025-12-11 08:14:23 +09:00
Max Kellermann
d927a595ab ceph: add trace points to the MDS client
This patch adds trace points to the Ceph filesystem MDS client:

- request submission (CEPH_MSG_CLIENT_REQUEST) and completion
  (CEPH_MSG_CLIENT_REPLY)
- capabilities (CEPH_MSG_CLIENT_CAPS)

These are the central pieces that are useful for analyzing MDS
latency/performance problems from the client's perspective.

In the long run, all doutc() calls should be replaced with
tracepoints.  This way, the Ceph filesystem can be traced at any time
(without spamming the kernel log).  Additionally, trace points can be
used in BPF programs (which can even deference the pointer parameters
and extract more values).

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2025-12-10 11:50:54 +01:00
Linus Torvalds
0048fbb401 Futex changes for v6.19:
- Standardize on ktime_t in restart_block::time as well
    (Thomas Weißschuh)
 
  - Futex selftests:
    - Add robust list testcases (André Almeida)
    - Formatting fixes/cleanups (Carlos Llamas)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-futex-2025-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull futex updates from Ingo Molnar:

 - Standardize on ktime_t in restart_block::time as well (Thomas
   Weißschuh)

 - Futex selftests:
     - Add robust list testcases (André Almeida)
     - Formatting fixes/cleanups (Carlos Llamas)

* tag 'locking-futex-2025-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Store time as ktime_t in restart block
  selftests/futex: Create test for robust list
  selftests/futex: Skip tests if shmget unsupported
  selftests/futex: Add newline to ksft_exit_fail_msg()
  selftests/futex: Remove unused test_futex_mpol()
2025-12-10 17:21:30 +09:00
Andy Shevchenko
55026a9670 irqdomain: Delete irq_domain_add_tree()
No in-tree users anymore.

[ tglx: Remove the reference in the Chinese documentation as well ]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251202202327.1444693-1-andriy.shevchenko@linux.intel.com
2025-12-10 11:16:50 +09:00
Linus Torvalds
c9b47175e9 i2c-for-6.19-rc1
- general cleanups in bcm2835, designware, pcf8584, and stm32
 - amd-mp2: fix device refcount
 - designware: avoid interrupt storms caused by bad firmware
 - spacemit: fix device detection failures
 - new devices: Intel Diamond Rapids, Rockchip RK3506, Qualcomm Kaanapali
   and MSM8953
 - minor fixes to i801, core documentation, elektor Kconfig dependencies
 
 at24 updates:
 - add new compatible for Belling BL24S64
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Merge tag 'i2c-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:

 - general cleanups in bcm2835, designware, pcf8584, and stm32

 - amd-mp2: fix device refcount

 - designware: avoid interrupt storms caused by bad firmware

 - spacemit: fix device detection failures

 - new devices: Intel Diamond Rapids, Rockchip RK3506, Qualcomm
   Kaanapali and MSM8953

 - minor fixes to i801, core documentation, elektor Kconfig dependencies

 - at24 updates: add new compatible for Belling BL24S64

* tag 'i2c-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (21 commits)
  i2c: qcom-cci: Add msm8953 compatible
  i2c: spacemit: fix detect issue
  i2c: amd-mp2: fix reference leak in MP2 PCI device
  i2c: i2c.h: fix a bad kernel-doc line
  i2c: i2c-elektor: Allow building on SMP kernels
  dt-bindings: i2c: qcom-cci: Document Kaanapali compatible
  dt-bindings: i2c: qcom-cci: Document msm8953 compatible
  dt-bindings: eeprom: at24: Add compatible for Belling BL24S64
  i2c: i801: Fix the Intel Diamond Rapids features
  i2c: pcf8584: Change pcf_doAdress() to pcf_send_address()
  i2c: pcf8584: Make pcf_doAddress() function void
  i2c: pcf8584: Move 'ret' variable inside for loop, goto out if ret < 0.
  i2c: designware: Disable SMBus interrupts to prevent storms from mis-configured firmware
  dt-bindings: i2c: i2c-rk3x: Add compatible string for RK3506
  i2c: i801: Add support for Intel Diamond Rapids
  i2c: stm32: Omit two variable reassignments in stm32_i2c_dma_request()
  i2c: designware: Omit a variable reassignment in dw_i2c_plat_probe()
  i2c: pcf8584: Fix do not use assignment inside if conditional
  i2c: pcf8584: Remove debug macros from i2c-algo-pcf.c
  i2c: busses: bcm2835: convert from round_rate() to determine_rate()
  ...
2025-12-10 07:48:05 +09:00
Linus Torvalds
9d588a1140 platform-drivers-x86 for v6.19-1
Highlights:
 
 - acer-wmi: Add PH16-72, PHN16-72, and PT14-51 fan control support
 
 - acpi: platform_profile: Add max-power profile option (power draw limited
                           by the cooling hardware, may exceed battery power
 			  draw limit when on AC power)
 
 - amd/hsmp: Allow >1 data-fabric per socket
 
 - asus-armoury: Add WMI attributes driver to expose miscellaneous
                 WMI functions through fw_attributes (deprecates
                 the custom BIOS features interface through asus-wmi)
 
 - asus-wmi: Use brightness_set_blocking() for kbd led
 
 - ayaneo-ec: Add Ayaneo Embedded Controller driver
 
 - fs/nls:
 
   - Fix utf16 -> utf8 string conversion in output size restricted cases
 
   - Improve error code consistency for utf8 -> utf32 conversions
 
 - ideapad-laptop: Fast (Rapid Charge) charge type support
 
 - intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
 
 - intel/pmc:
 
   - Arrow Lake telemetry GUID improvements
 
   - Add support for Wildcat Lake PMC information
 
 - intel_pmc_ipc: Fix ACPI buffer memleak
 
 - intel/punit_ipc: Fix memory corruption
 
 - intel/vsec: Wildcat Lake PMT telemetry support
 
 - lenovo-wmi-gamezone: Map "Extreme" performance mode to max-power
 
 - lg-laptop: Add support for the HDAP opregion field
 
 - serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing projects
 
 - thinkpad-t14s-ec: Improve suspend/resume support (lid LEDs, keyboard
                     backlight)
 
 - uniwill: Add Uniwill laptop driver
 
 - wmi: Move under drivers/platform/wmi as non-x86 WMI support is around
        the corner and other WMI features will require adding more C
        files as well
 
 - tools/power/x86/intel-speed-select: v1.24
 
   - Check feature status to check if the feature enablement was successful
 
   - Reset SST-TF bucket structure to display valid bucket info
 
 - Miscellaneous cleanups / refactoring / improvements
 
 The following is an automated shortlog grouped by driver:
 
 acer-wmi:
  -  Add fan control support
  -  Add support for PHN16-72
  -  Enable fan control for PH16-72 and PT14-51
  -  Fix setting of fan behavior
 
 acpi:
  -  platform_profile - Add max-power profile option
 
 Add Uniwill laptop driver:
  - Add Uniwill laptop driver
 
 alienware-wmi-wmax:
  -  Simplify FW profile to pprof matching
 
 amd: hfi:
  -  Remove redundant assignment to .owner
  -  Remove unused cpumask from cpuinfo struct
 
 amd/hsmp:
  -  Replace amd_num_nodes() with topology_max_packages()
 
 amd/pmf:
  -  Add BIOS_INPUTS_MAX macro to replace hardcoded array size
  -  Refactor repetitive BIOS output handling
  -  Rename IPU metrics fields to NPU for consistency
  -  Replace magic table id with METRICS_TABLE_ID
  -  Use devm_mutex_init() for mutex initialization
  -  Use explicit SET_CMD/GET_CMD flags in amd_pmf_send_cmd()
 
 arm64: thinkpad-t14s-ec:
  -  add suspend handler for keyboard backlight
  -  add system PM hooks
 
 asus-armoury:
  -  add apu-mem control support
  -  add panel_hd_mode attribute
  -  add ppt_* and nv_* tuning knobs
  -  add screen auto-brightness toggle
  -  add support for FA507UV
  -  add support for GA503QR
  -  Fix error code in mini_led_mode_current_value_store()
  -  fix mini-led mode show
  -  fix only DC tunables being available
  -  move existing tunings to asus-armoury module
 
 asus-wmi:
  -  deprecate bios features
  -  export symbols used for read/write WMI
  -  rename ASUS_WMI_DEVID_PPT_FPPT
  -  use brightness_set_blocking() for kbd led
 
 ayaneo-ec:
  -  Add Ayaneo Embedded Controller platform driver
  -  Add charge control support
  -  Add controller power and modules attributes
  -  Add hwmon support
  -  Add suspend hook
  -  Move Ayaneo devices from oxpec to ayaneo-ec
 
 Documentation: laptops:
  -  Add documentation for uniwill laptops
 
 fs/nls:
  -  Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
  -  Fix utf16 to utf8 conversion
 
 hp-wmi:
  -  Order DMI board name arrays
 
 ideapad-laptop: Add charge_types:
  - Fast (Rapid Charge)
 
 ideapad-laptop:
  -  Protect GBMD/SBMC calls with mutex
  -  Support multiple power_supply_ext definitions
  -  Use str_on_off() helper
 
 intel/hid:
  -  Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
 
 intel/pmc:
  -  Add DMU GUID to Arrow Lake U/H
  -  Add support for multiple DMU GUIDs
  -  Enable SSRAM support for Wildcat Lake
 
 intel_pmc_ipc:
  -  fix ACPI buffer memory leak
 
 intel/pmc:
  -  Relocate lpm_req_guid to pmc_reg_map
  -  Remove redundant has_die_c6 variable
  -  Rename PMC index variable to pmc_idx
  -  Update Arrow Lake telemetry GUID
 
 intel/vsec:
  -  Add support for Wildcat Lake
 
 lenovo-wmi-gamezone Use max-power rather than balanced-performance:
  - lenovo-wmi-gamezone Use max-power rather than balanced-performance
 
 lg-laptop:
  -  Add support for the HDAP opregion field
 
 serial-multi-instantiate:
  -  Add IRQ_RESOURCE_OPT for IRQ missing projects
 
 surface: acpi-notify:
  -  add WQ_PERCPU to alloc_workqueue users
 
 surface: aggregator:
  -  Omit a variable reassignment in ssam_serial_hub_probe()
 
 surface:
  -  replace use of system_wq with system_percpu_wq
 
 tools/power/x86/intel-speed-select:
  -  Check feature status
  -  Reset isst_turbo_freq_info for invalid buckets
  -  v1.24 release
 
 uniwill:
  -  Add TUXEDO devices
  -  Handle more WMI events required for TUXEDO devices
 
 wmi-gamezone:
  -  Add Legion Go 2 Quirks
 
 wmi:
  -  Move WMI core code into a separate directory
  -  Remove extern keyword from prototypes
  -  Use correct type when populating ACPI objects
 
 x86-android-tablets:
  -  Omit a variable reassignment in lenovo_yoga_tab2_830_1050_init_codec()
 
 x86:
  -  replace use of system_wq with system_percpu_wq
 
 Merges:
  -  Merge branch 'fixes' of into for-next
  -  Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into for-next
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Merge tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:

 - acer-wmi: Add PH16-72, PHN16-72, and PT14-51 fan control support

 - acpi: platform_profile: Add max-power profile option (power draw
   limited by the cooling hardware, may exceed battery power draw limit
   when on AC power)

 - amd/hsmp: Allow more than one data-fabric per socket

 - asus-armoury: Add WMI attributes driver to expose miscellaneous WMI
   functions through fw_attributes (deprecates the custom BIOS features
   interface through asus-wmi)

 - asus-wmi: Use brightness_set_blocking() for kbd led

 - ayaneo-ec: Add Ayaneo Embedded Controller driver

 - fs/nls:
     - Fix utf16 to utf8 string conversion when output size restricted
     - Improve error code consistency for utf8 to utf32 conversions

 - ideapad-laptop: Fast (Rapid Charge) charge type support

 - intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks

 - intel/pmc:
     - Arrow Lake telemetry GUID improvements
     - Add support for Wildcat Lake PMC information

 - intel_pmc_ipc: Fix ACPI buffer memleak

 - intel/punit_ipc: Fix memory corruption

 - intel/vsec: Wildcat Lake PMT telemetry support

 - lenovo-wmi-gamezone: Map "Extreme" performance mode to max-power

 - lg-laptop: Add support for the HDAP opregion field

 - serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing
   projects

 - thinkpad-t14s-ec: Improve suspend/resume support (lid LEDs, keyboard
   backlight)

 - uniwill: Add Uniwill laptop driver

 - wmi: Move under drivers/platform/wmi as non-x86 WMI support is around
   the corner and other WMI features will require adding more C files as
   well

 - tools/power/x86/intel-speed-select: v1.24
     - Check feature status to check if the feature enablement was
       successful
     - Reset SST-TF bucket structure to display valid bucket info

 - Miscellaneous cleanups / refactoring / improvements

* tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (73 commits)
  tools/power/x86/intel-speed-select: v1.24 release
  tools/power/x86/intel-speed-select: Reset isst_turbo_freq_info for invalid buckets
  tools/power/x86/intel-speed-select: Check feature status
  platform/x86: asus-wmi: use brightness_set_blocking() for kbd led
  fs/nls: Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
  platform/x86: asus-armoury: add support for GA503QR
  platform/x86: intel_pmc_ipc: fix ACPI buffer memory leak
  platform/x86: hp-wmi: Order DMI board name arrays
  platform/x86/intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
  platform: surface: replace use of system_wq with system_percpu_wq
  platform: x86: replace use of system_wq with system_percpu_wq
  platform/surface: acpi-notify: add WQ_PERCPU to alloc_workqueue users
  platform/x86: wmi-gamezone: Add Legion Go 2 Quirks
  platform/x86: lenovo-wmi-gamezone Use max-power rather than balanced-performance
  acpi: platform_profile - Add max-power profile option
  platform/x86/amd/pmf: Use devm_mutex_init() for mutex initialization
  platform/x86/amd/pmf: Add BIOS_INPUTS_MAX macro to replace hardcoded array size
  platform/x86: serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing projects
  platform/x86/amd/pmf: Refactor repetitive BIOS output handling
  platform/x86/uniwill: Add TUXEDO devices
  ...
2025-12-10 06:38:17 +09:00
Linus Torvalds
9f20d9bad5 More power management updates for 6.19-rc1
Fix a runtime PM unit test added during the 6.18 development cycle and
 change the pm_runtime_barrier() return type to void (Brian Norris).
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Merge tag 'pm-6.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "Fix a runtime PM unit test added during the 6.18 development cycle and
  change the pm_runtime_barrier() return type to void (Brian Norris)"

* tag 'pm-6.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  coccinelle: Drop pm_runtime_barrier() error code checks
  PM: runtime: Make pm_runtime_barrier() return void
  PM: runtime: Stop checking pm_runtime_barrier() return code
2025-12-10 06:29:40 +09:00
Christoph Hellwig
12eef14bcb lockref: add a __cond_lock annotation for lockref_put_or_lock
Add a cond_lock annotation for lockref_put_or_lock to make sparse
happy with using it.  Note that for this the return value has to be
double-inverted as the return value convention of lockref_put_or_lock
is inverted compared to _trylock conventions expected by __cond_lock,
as lockref_put_or_lock returns true when it did not need to take the
lock.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-12-10 05:58:51 +09:00
Linus Torvalds
c752c21c90 Convert "__auto_type" to "auto", defining a macro for "auto"
unless C23+ is in use.
 
 ---
  arch/nios2/include/asm/uaccess.h                      |  8 ++++----
  arch/x86/include/asm/bug.h                            |  2 +-
  arch/x86/include/asm/string_64.h                      |  6 +++---
  arch/x86/include/asm/uaccess_64.h                     |  2 +-
  fs/proc/inode.c                                       | 19 +++++++++----------
  include/linux/cleanup.h                               |  6 +++---
  include/linux/compiler.h                              |  2 +-
  include/linux/compiler_types.h                        | 13 +++++++++++++
  include/linux/minmax.h                                |  6 +++---
  .../testing/selftests/bpf/prog_tests/socket_helpers.h |  9 +++++++--
  tools/virtio/linux/compiler.h                         |  2 +-
  11 files changed, 46 insertions(+), 29 deletions(-)
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Merge tag 'auto-type-conversion-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-auto

Pull __auto_type to auto conversion from Peter Anvin:
 "Convert '__auto_type' to 'auto', defining a macro for 'auto' unless
  C23+ is in use"

* tag 'auto-type-conversion-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-auto:
  tools/virtio: replace "__auto_type" with "auto"
  selftests/bpf: replace "__auto_type" with "auto"
  arch/x86: replace "__auto_type" with "auto"
  arch/nios2: replace "__auto_type" and adjacent equivalent with "auto"
  fs/proc: replace "__auto_type" with "const auto"
  include/linux: change "__auto_type" to "auto"
  compiler_types.h: add "auto" as a macro for "__auto_type"
2025-12-10 05:41:10 +09:00
Lukas Bulwahn
40a4af52e0 mm: fix CONFIG_STACK_GROWSUP typo in mm.h
Commit 2b6a3f061f ("mm: declare VMA flags by bit") significantly
refactors the header file include/linux/mm.h.  In that step, it introduces
a typo in an ifdef, referring to a non-existing config option
STACK_GROWS_UP, whereas the actual config option is called STACK_GROWSUP.

Fix this typo in the mm header file.

Link: https://lkml.kernel.org/r/20251201122922.352480-1-lukas.bulwahn@redhat.com
Fixes: 2b6a3f061f ("mm: declare VMA flags by bit")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-09 11:25:33 -08:00
Zi Yan
2f78910659 mm/huge_memory: make min_order_for_split() always return an order
min_order_for_split() returns -EBUSY when the folio is truncated and
cannot be split.  In commit 77008e1b2e ("mm/huge_memory: do not change
split_huge_page*() target order silently"), memory_failure() does not
handle it and pass -EBUSY to try_to_split_thp_page() directly. 
try_to_split_thp_page() returns -EINVAL since -EBUSY becomes 0xfffffff0 as
new_order is unsigned int in __folio_split() and this large new_order is
rejected as an invalid input.  The code does not cause a bug. 
soft_offline_in_use_page() also uses min_order_for_split() but it always
passes 0 as new_order for split.

Fix it by making min_order_for_split() always return an order.  When the
given folio is truncated, namely folio->mapping == NULL, return 0 and let
a subsequent split function handle the situation and return -EBUSY.

Add kernel-doc to min_order_for_split() to clarify its use.

Link: https://lkml.kernel.org/r/20251126210618.1971206-4-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Nico Pache <npache@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-09 11:25:33 -08:00
Zi Yan
5842bcbfc3 mm/huge_memory: replace can_split_folio() with direct refcount calculation
can_split_folio() is just a refcount comparison, making sure only the
split caller holds an extra pin.  Open code it with
folio_expected_ref_count() != folio_ref_count() - 1.  For the extra_pins
used by folio_ref_freeze(), add folio_cache_ref_count() to calculate it. 
Also replace folio_expected_ref_count() with folio_cache_ref_count() used
by folio_ref_unfreeze(), since they are returning the same values when a
folio is frozen and folio_cache_ref_count() does not have unnecessary
folio_mapcount() in its implementation.

Link: https://lkml.kernel.org/r/20251126210618.1971206-3-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Suggested-by: David Hildenbrand (Red Hat) <david@kernel.org>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Nico Pache <npache@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-09 11:25:32 -08:00
Zi Yan
bdd0d69a32 mm/huge_memory: change folio_split_supported() to folio_check_splittable()
Patch series "Improve folio split related functions", v4.

This patchset improves several folio split related functions to avoid
future misuse.  The changes are:

1. Consolidated folio splittable checks by moving truncated folio check,
   huge zero folio check, and writeback folio check into
   folio_split_supported(). Changed the function return type. Renamed it
   to folio_check_splittable() for clarification.

2. Replaced can_split_folio() with open coded folio_expected_ref_count()
   and folio_ref_count() and introduced folio_cache_ref_count().

3. Changed min_order_for_split() to always return an order.

4. Fixed folio split stats counting.

Motivation
==========
This is based on Wei's observation[1] and solves several potential
issues:
1. Dereferencing NULL folio->mapping in try_folio_split_to_order() if it
   is called on truncated folios.
2. Not handling of negative return value of min_order_for_split() in
   mm/memory-failure.c

There is no bug in the current code.


This patch (of 4):

folio_split_supported() used in try_folio_split_to_order() requires
folio->mapping to be non NULL, but current try_folio_split_to_order() does
not check it.  There is no issue in the current code, since
try_folio_split_to_order() is only used in truncate_inode_partial_folio(),
where folio->mapping is not NULL.

To prevent future misuse, move folio->mapping NULL check (i.e., folio is
truncated) into folio_split_supported().  Since folio->mapping NULL check
returns -EBUSY and folio_split_supported() == false means -EINVAL, change
folio_split_supported() return type from bool to int and return error
numbers accordingly.  Rename folio_split_supported() to
folio_check_splittable() to match the return type change.

While at it, move is_huge_zero_folio() check and folio_test_writeback()
check into folio_check_splittable() and add kernel-doc.

Remove all warnings inside folio_check_splittable() and give warnings
in __folio_split() instead, so that bool warns parameter can be removed.

Link: https://lkml.kernel.org/r/20251126210618.1971206-1-ziy@nvidia.com
Link: https://lkml.kernel.org/r/20251126210618.1971206-2-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: Balbir Singh <balbirs@nvidia.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Nico Pache <npache@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-09 11:25:32 -08:00
Jinhui Guo
1cba2eba9b mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
When CONFIG_SPARSEMEM is disabled, the macro
sparse_vmemmap_init_nid_early(_nid, _use) passes two arguments, while the
actual function accepts only nid.  Drop the extra argument _use.

Link: https://lkml.kernel.org/r/20251127092512.278-1-guojinhui.liam@bytedance.com
Fixes: d65917c423 ("mm/sparse: allow for alternate vmemmap section init at boot")
Signed-off-by: Jinhui Guo <guojinhui.liam@bytedance.com>
Cc: Frank van der Linden <fvdl@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: "David Hildenbrand (Red Hat)" <david@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-09 11:25:32 -08:00
Linus Torvalds
cb015814f8 f2fs-for-6.19-rc1
This series focuses on minor clean-ups and performance optimizations across
 sysfs, documentation, debugfs, tracepoints, slab allocation, and GC.
 Furthermore, it resolves several corner-case bugs caught by xfstests, as
 well as issues related to 16KB page support and f2fs_enable_checkpoint.
 
 Enhancement:
  - wrap ASCII tables in literal blocks to fix LaTeX build
  - optimize trace_f2fs_write_checkpoint with enums
  - support to show curseg.next_blkoff in debugfs
  - add a sysfs entry to show max open zones
  - add fadvise tracepoint
  - use global inline_xattr_slab instead of per-sb slab cache
  - set default valid_thresh_ratio to 80 for zoned devices
  - maintain one time GC mode is enabled during whole zoned GC cycle
 
 Bug fix:
  - ensure node page reads complete before f2fs_put_super() finishes
  - fix to not account invalid blocks in get_left_section_blocks()
  - revert summary entry count from 2048 to 512 in 16kb block support
  - fix to detect recoverable inode during dryrun of find_fsync_dnodes()
  - fix age extent cache insertion skip on counter overflow
  - Add sanity checks before unlinking and loading inodes
  - ensure minimum trim granularity accounts for all devices
  - block cache/dio write during f2fs_enable_checkpoint()
  - fix to propagate error from f2fs_enable_checkpoint()
  - invalidate dentry cache on failed whiteout creation
  - fix to avoid updating compression context during writeback
  - fix to avoid updating zero-sized extent in extent cache
  - fix to avoid potential deadlock
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Merge tag 'f2fs-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "This series focuses on minor clean-ups and performance optimizations
  across sysfs, documentation, debugfs, tracepoints, slab allocation,
  and GC. Furthermore, it resolves several corner-case bugs caught by
  xfstests, as well as issues related to 16KB page support and
  f2fs_enable_checkpoint.

  Enhancement:
   - wrap ASCII tables in literal blocks to fix LaTeX build
   - optimize trace_f2fs_write_checkpoint with enums
   - support to show curseg.next_blkoff in debugfs
   - add a sysfs entry to show max open zones
   - add fadvise tracepoint
   - use global inline_xattr_slab instead of per-sb slab cache
   - set default valid_thresh_ratio to 80 for zoned devices
   - maintain one time GC mode is enabled during whole zoned GC cycle

  Bug fix:
   - ensure node page reads complete before f2fs_put_super() finishes
   - do not account invalid blocks in get_left_section_blocks()
   - revert summary entry count from 2048 to 512 in 16kb block support
   - detect recoverable inode during dryrun of find_fsync_dnodes()
   - fix age extent cache insertion skip on counter overflow
   - add sanity checks before unlinking and loading inodes
   - ensure minimum trim granularity accounts for all devices
   - block cache/dio write during f2fs_enable_checkpoint()
   - propagate error from f2fs_enable_checkpoint()
   - invalidate dentry cache on failed whiteout creation
   - avoid updating compression context during writeback
   - avoid updating zero-sized extent in extent cache
   - avoid potential deadlock"

* tag 'f2fs-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (39 commits)
  f2fs: ignore discard return value
  f2fs: optimize trace_f2fs_write_checkpoint with enums
  f2fs: fix to not account invalid blocks in get_left_section_blocks()
  f2fs: support to show curseg.next_blkoff in debugfs
  docs: f2fs: wrap ASCII tables in literal blocks to fix LaTeX build
  f2fs: expand scalability of f2fs mount option
  f2fs: change default schedule timeout value
  f2fs: introduce f2fs_schedule_timeout()
  f2fs: use memalloc_retry_wait() as much as possible
  f2fs: add a sysfs entry to show max open zones
  f2fs: wrap all unusable_blocks_per_sec code in CONFIG_BLK_DEV_ZONED
  f2fs: simplify list initialization in f2fs_recover_fsync_data()
  f2fs: revert summary entry count from 2048 to 512 in 16kb block support
  f2fs: fix to detect recoverable inode during dryrun of find_fsync_dnodes()
  f2fs: fix return value of f2fs_recover_fsync_data()
  f2fs: add fadvise tracepoint
  f2fs: fix age extent cache insertion skip on counter overflow
  f2fs: Add sanity checks before unlinking and loading inodes
  f2fs: Rename f2fs_unlink exit label
  f2fs: ensure minimum trim granularity accounts for all devices
  ...
2025-12-09 12:06:20 +09:00
Linus Torvalds
cfd4039213 io_uring-6.19-20251208
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Merge tag 'io_uring-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull io_uring updates from Jens Axboe:
 "Followup set of fixes for io_uring for this merge window. These are
  either later fixes, or cleanups that don't make sense to defer. This
  pull request contains:

   - Fix for a recent regression in io-wq worker creation

   - Tracing cleanup

   - Use READ_ONCE/WRITE_ONCE consistently for ring mapped kbufs. Mostly
     for documentation purposes, indicating that they are shared with
     userspace

   - Fix for POLL_ADD losing a completion, if the request is updated and
     now is triggerable - eg, if POLLIN is set with the updated, and the
     polled file is readable

   - In conjunction with the above fix, also unify how poll wait queue
     entries are deleted with the head update. We had 3 different spots
     doing both the list deletion and head write, with one of them
     nicely documented. Abstract that into a helper and use it
     consistently

   - Small series from Joanne fixing an issue with buffer cloning, and
     cleaning up the arg validation"

* tag 'io_uring-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  io_uring/poll: unify poll waitqueue entry and list removal
  io_uring/kbuf: use WRITE_ONCE() for userspace-shared buffer ring fields
  io_uring/kbuf: use READ_ONCE() for userspace-mapped memory
  io_uring/rsrc: fix lost entries after cloned range
  io_uring/rsrc: rename misleading src_node variable in io_clone_buffers()
  io_uring/rsrc: clean up buffer cloning arg validation
  io_uring/trace: rename io_uring_queue_async_work event "rw" field
  io_uring/io-wq: always retry worker create on ERESTART*
  io_uring/poll: correctly handle io_poll_add() return value on update
2025-12-09 09:07:28 +09:00
Linus Torvalds
4482ebb297 block-6.19-20251208
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Merge tag 'block-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull block updates from Jens Axboe:
 "Followup set of fixes and updates for block for the 6.19 merge window.

  NVMe had some late minute debates which lead to dropping some patches
  from that tree, which is why the initial PR didn't have NVMe included.
  It's here now. This pull request contains:

   - NVMe pull request via Keith:
       - Subsystem usage cleanups (Max)
       - Endpoint device fixes (Shin'ichiro)
       - Debug statements (Gerd)
       - FC fabrics cleanups and fixes (Daniel)
       - Consistent alloc API usages (Israel)
       - Code comment updates (Chu)
       - Authentication retry fix (Justin)

   - Fix a memory leak in the discard ioctl code, if the task is being
     interrupted by a signal at just the wrong time

   - Zoned write plugging fixes

   - Add ioctls for for persistent reservations

   - Enable per-cpu bio caching by default

   - Various little fixes and tweaks"

* tag 'block-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (27 commits)
  nvme-fabrics: add ENOKEY to no retry criteria for authentication failures
  nvme-auth: use kvfree() for memory allocated with kvcalloc()
  nvmet-tcp: use kvcalloc for commands array
  nvmet-rdma: use kvcalloc for commands and responses arrays
  nvme: fix typo error in nvme target
  nvmet-fc: use pr_* print macros instead of dev_*
  nvmet-fcloop: remove unused lsdir member.
  nvmet-fcloop: check all request and response have been processed
  nvme-fc: check all request and response have been processed
  block: fix memory leak in __blkdev_issue_zero_pages
  block: fix comment for op_is_zone_mgmt() to include RESET_ALL
  block: Clear BLK_ZONE_WPLUG_PLUGGED when aborting plugged BIOs
  blk-mq: Abort suspend when wakeup events are pending
  blk-mq: add blk_rq_nr_bvec() helper
  block: add IOC_PR_READ_RESERVATION ioctl
  block: add IOC_PR_READ_KEYS ioctl
  nvme: reject invalid pr_read_keys() num_keys values
  scsi: sd: reject invalid pr_read_keys() num_keys values
  block: enable per-cpu bio cache by default
  block: use bio_alloc_bioset for passthru IO by default
  ...
2025-12-09 08:53:24 +09:00
H. Peter Anvin
b3b8767c29 include/linux: change "__auto_type" to "auto"
Replace instances of "__auto_type" with "auto" in include/linux.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
2025-12-08 15:32:14 -08:00
H. Peter Anvin
2fb6915fa2 compiler_types.h: add "auto" as a macro for "__auto_type"
"auto" was defined as a keyword back in the K&R days, but as a storage
type specifier.  No one ever used it, since it was and is the default
storage type for local variables.

C++11 recycled the keyword to allow a type to be declared based on the
type of an initializer.  This was finally adopted into standard C in
C23.

gcc and clang provide the "__auto_type" alias keyword as an extension
for pre-C23, however, there is no reason to pollute the bulk of the
source base with this temporary keyword; instead define "auto" as a
macro unless the compiler is running in C23+ mode.

This macro is added in <linux/compiler_types.h> because that header is
included in some of the tools headers, wheres <linux/compiler.h> is
not as it has a bunch of very kernel-specific things in it.

[ Cc: stable to reduce potential backporting burden. ]

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Cc: <stable@kernel.org>
2025-12-08 15:32:14 -08:00
Linus Torvalds
a110f94267 Pin control changes for the v6.19 kernel cycle:
Core changes:
 
 - Handle per-direction skew control in the generic pin config.
 
 - Drop the pointless subsystem boilerplate banner message during
   boot. Less noise in the console. It's available as debug message
   if someone really want it.
 
 New drivers:
 
 - Samsung Exynos 8890 SoC support.
 
 - Samsung Exynos derived Axis Communications ARTPEC-9 SoC support.
   These guys literally live next door to me, ARTPEC spells out
   "Axis Real-Time Picture Encoding Chip" and is tailored for camera
   image streams and is something they have evolved for a quarter of
   a century.
 
 - Mediatek MT6878 SoC support.
 
 - Qualcomm Glymur PMIC support (mostly just compatible strings).
 
 - Qualcomm Kaanapali SoC TLMM support.
 
 - Microchip pic64gx "gpio2" SoC support.
 
 - Microchip Polarfire "iomux0" SoC support.
 
 - CIX Semiconductors SKY1 SoC support.
 
 - Rockchip RK3506 SoC support.
 
 - Airhoa AN7583 chip support.
 
 Improvements:
 
 - Improvements for ST Microelectronics STM32 handling of skew
   settings so input and output can have different skew settings.
 
 - A whole bunch of device tree binding cleanups: Marvell Armada and
   Berlin, Actions Semiconductor S700 and S900, Broadcom Northstar 2
   (NS2), Bitmain BM1880 and Spreadtrum SC9860 are moved over to schema.
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Merge tag 'pinctrl-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "The technical details below. For me the CIX Semi and Axis
  Communications ARTPEC-9 SoCs were the most interesting new drivers in
  this merge window.

  Core changes:

   - Handle per-direction skew control in the generic pin config

   - Drop the pointless subsystem boilerplate banner message during
     boot. Less noise in the console. It's available as debug message if
     someone really want it

  New drivers:

   - Samsung Exynos 8890 SoC support

   - Samsung Exynos derived Axis Communications ARTPEC-9 SoC support.
     These guys literally live next door to me, ARTPEC spells out "Axis
     Real-Time Picture Encoding Chip" and is tailored for camera image
     streams and is something they have evolved for a quarter of a
     century

   - Mediatek MT6878 SoC support

   - Qualcomm Glymur PMIC support (mostly just compatible strings)

   - Qualcomm Kaanapali SoC TLMM support

   - Microchip pic64gx "gpio2" SoC support

   - Microchip Polarfire "iomux0" SoC support

   - CIX Semiconductors SKY1 SoC support

   - Rockchip RK3506 SoC support

   - Airhoa AN7583 chip support

  Improvements:

   - Improvements for ST Microelectronics STM32 handling of skew
     settings so input and output can have different skew settings

   - A whole bunch of device tree binding cleanups: Marvell Armada and
     Berlin, Actions Semiconductor S700 and S900, Broadcom Northstar 2
     (NS2), Bitmain BM1880 and Spreadtrum SC9860 are moved over to
     schema"

* tag 'pinctrl-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (107 commits)
  pinctrl: add CONFIG_OF dependencies for microchip drivers
  pinctrl: starfive: use dynamic GPIO base allocation
  pinctrl: single: Fix incorrect type for error return variable
  MAINTAINERS: Change Linus Walleij mail address
  pinctrl: cix: Fix obscure dependency
  dt-bindings: pinctrl: cix,sky1-pinctrl: Drop duplicate newline
  dt-bindings: pinctrl: aspeed,ast2600-pinctrl: Add PCIe RC PERST# group
  pinctrl: airoha: Fix AIROHA_PINCTRL_CONFS_DRIVE_E2 in an7583_pinctrl_match_data
  pinctrl: airoha: fix pinctrl function mismatch issue
  pinctrl: cherryview: Convert to use intel_gpio_add_pin_ranges()
  pinctrl: intel: Export intel_gpio_add_pin_ranges()
  pinctrl: renesas: rzg2l: Refactor OEN register PWPR handling
  pinctrl: airoha: convert comma to semicolon
  pinctrl: elkhartlake: Switch to INTEL_GPP() macro
  pinctrl: cherryview: Switch to INTEL_GPP() macro
  pinctrl: emmitsburg: Switch to INTEL_GPP() macro
  pinctrl: denverton: Switch to INTEL_GPP() macro
  pinctrl: cedarfork: Switch to INTEL_GPP() macro
  pinctrl: airoha: add support for Airoha AN7583 PINs
  dt-bindings: pinctrl: airoha: Document AN7583 Pin Controller
  ...
2025-12-09 06:45:00 +09:00
Linus Torvalds
0623fdf30b phy-for-6.19
- Core
   - Drop Kishon as maintainer, thanks to him for helping, move to credits and
     add Neil to help with reviews.
   - Add new phy_notify_stat to notify phy from controllers during the
     runtime transitions and usage in samsung phy
 
  - New Support
   - Renesas RZ/G3E USB3.0 driver
   - NXP Support TJA1048/TJA1051 CAN phy
   - Rockchip support for rk3506 dsi dphy
   - Qualcomm Glymur QMP PCIe PHY support
 
 - Updates
   - PM support for rcar-gen3-usb2 driver
   - Samsung HDMI/eDP Transmitter Combo PHY updates
   - Freescale imx8mq support for alternate reference clock
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Merge tag 'phy-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "Core:
   - Drop Kishon as maintainer, thanks to him for helping, move to
     credits and add Neil to help with reviews.
   - Add new phy_notify_stat to notify phy from controllers during the
     runtime transitions and usage in samsung phy

  New hardware support:
   - Renesas RZ/G3E USB3.0 driver
   - NXP Support TJA1048/TJA1051 CAN phy
   - Rockchip support for rk3506 dsi dphy
   - Qualcomm Glymur QMP PCIe PHY support

  Updates:
   - PM support for rcar-gen3-usb2 driver
   - Samsung HDMI/eDP Transmitter Combo PHY updates
   - Freescale imx8mq support for alternate reference clock"

* tag 'phy-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (40 commits)
  MAINTAINERS: phy: Add Neil Armstrong as reviewers for phy subsystem
  MAINTAINERS: phy: Move Kishon Vijay Abraham I to credits
  phy: fsl-imx8mq-usb: support alternate reference clock
  dt-bindings: phy: imx8mq-usb: add alternate reference clock
  phy: rockchip: samsung-hdptx: Prevent Inter-Pair Skew from exceeding the limits
  phy: rockchip: samsung-hdptx: Reduce ROPLL loop bandwidth
  phy: rockchip: samsung-hdptx: Fix reported clock rate in high bpc mode
  phy: ti: gmii-sel: Add a sanity check on the phy_id
  phy: qcom: qmp-pcie: Add support for Glymur PCIe Gen5x4 PHY
  phy: qcom-qmp: pcs: Add v8.50 register offsets
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the Glymur QMP PCIe PHY
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Restrict resets per each device
  phy: freescale: Initialize priv->lock
  phy: renesas: Remove unneeded semicolons
  phy: qcom: m31-eusb2: Update init sequence to set PHY_ENABLE
  phy: qcom: qmp-combo: get the USB3 & DisplayPort lanes mapping from DT
  dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document lanes mapping when not using in USB-C complex
  phy: rockchip: naneng-combphy: Fix PCIe L1ss support RK3562
  phy: rockchip: naneng-combphy: Fix PCIe L1ss support RK3528
  phy: renesas: rcar-gen3-usb2: Add suspend/resume support
  ...
2025-12-09 06:31:47 +09:00
Linus Torvalds
feb06d2690 hyperv-next for v6.19
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Merge tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Enhancements to Linux as the root partition for Microsoft Hypervisor:
     - Support a new mode called L1VH, which allows Linux to drive the
       hypervisor running the Azure Host directly
     - Support for MSHV crash dump collection
     - Allow Linux's memory management subsystem to better manage guest
       memory regions
     - Fix issues that prevented a clean shutdown of the whole system on
       bare metal and nested configurations
     - ARM64 support for the MSHV driver
     - Various other bug fixes and cleanups

 - Add support for Confidential VMBus for Linux guest on Hyper-V

 - Secure AVIC support for Linux guests on Hyper-V

 - Add the mshv_vtl driver to allow Linux to run as the secure kernel in
   a higher virtual trust level for Hyper-V

* tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (58 commits)
  mshv: Cleanly shutdown root partition with MSHV
  mshv: Use reboot notifier to configure sleep state
  mshv: Add definitions for MSHV sleep state configuration
  mshv: Add support for movable memory regions
  mshv: Add refcount and locking to mem regions
  mshv: Fix huge page handling in memory region traversal
  mshv: Move region management to mshv_regions.c
  mshv: Centralize guest memory region destruction
  mshv: Refactor and rename memory region handling functions
  mshv: adjust interrupt control structure for ARM64
  Drivers: hv: use kmalloc_array() instead of kmalloc()
  mshv: Add ioctl for self targeted passthrough hvcalls
  Drivers: hv: Introduce mshv_vtl driver
  Drivers: hv: Export some symbols for mshv_vtl
  static_call: allow using STATIC_CALL_TRAMP_STR() from assembly
  mshv: Extend create partition ioctl to support cpu features
  mshv: Allow mappings that overlap in uaddr
  mshv: Fix create memory region overlap check
  mshv: add WQ_PERCPU to alloc_workqueue users
  Drivers: hv: Use kmalloc_array() instead of kmalloc()
  ...
2025-12-09 06:10:17 +09:00
Andres J Rosa
9a97857db0 ALSA: uapi: Fix typo in asound.h comment
Fix 'level-shit' to 'level-shift' in struct snd_cea_861_aud_if comment.

Fixes: 7ba1c40b53 ("ALSA: Add definitions for CEA-861 Audio InfoFrames")
Signed-off-by: Andres J Rosa <andyrosa@gmail.com>
Link: https://patch.msgid.link/20251203162509.1822-1-andyrosa@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-12-08 15:27:48 +01:00
Hans de Goede
31b931bebd dma-mapping: Fix DMA_BIT_MASK() macro being broken
After commit a50f7456f8 ("dma-mapping: Allow use of DMA_BIT_MASK(64) in
global scope"), the DMA_BIT_MASK() macro is broken when passed non trivial
statements for the value of 'n'. This is caused by the new version missing
parenthesis around 'n' when evaluating 'n'.

One example of this breakage is the IPU6 driver now crashing due to
it getting DMA-addresses with address bit 32 set even though it has
tried to set a 32 bit DMA mask.

The IPU6 CSI2 engine has a DMA mask of either 31 or 32 bits depending
on if it is in secure mode or not and it sets this masks like this:

        mmu_info->aperture_end =
                (dma_addr_t)DMA_BIT_MASK(isp->secure_mode ?
                                         IPU6_MMU_ADDR_BITS :
                                         IPU6_MMU_ADDR_BITS_NON_SECURE);

So the 'n' argument here is "isp->secure_mode ? IPU6_MMU_ADDR_BITS :
IPU6_MMU_ADDR_BITS_NON_SECURE" which gets expanded into:

isp->secure_mode ? IPU6_MMU_ADDR_BITS : IPU6_MMU_ADDR_BITS_NON_SECURE - 1

With the -1 only being applied in the non secure case, causing
the secure mode mask to be one 1 bit too large.

Fixes: a50f7456f8 ("dma-mapping: Allow use of DMA_BIT_MASK(64) in global scope")
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20251207184756.97904-1-johannes.goede@oss.qualcomm.com
2025-12-08 09:40:57 +01:00
Bard Liao
167efc6dfd ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
The dma buffer need to be a multiple of data block size and
the fifo size. Export a function to return the LCM of data
block size and the fifo size.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20251014031450.3781789-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2025-12-08 12:37:26 +05:30
Srinivas Kandagatla
18223eecec of: base: Add of_property_read_u8_index
Add support for of_property_read_u8_index(), simillar to others
u16 and u32 variants. Having this helper makes the code more tidy in
isome cases, specially when we are parsing multiple of these into
data structures.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Tested-by: Alexey Klimov <alexey.klimov@linaro.org> # sm8550
Link: https://patch.msgid.link/20250912083225.228778-2-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2025-12-08 12:37:26 +05:30
Linus Torvalds
c2f2b01b74 I3C for 6.19
Subsystem:
  - Add HDR transfer support
 
 Drivers:
  - dw: fix bus hang on Agilex5
  - mipi-i3c-hci: Intel Nova Lake-S support, IOMMU support
  - svc: HDR support
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Merge tag 'i3c/for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "HDR support has finally been added. mipi-i3c-hci has been reworked and
  Intel Nova Lake-S support has been added.

  Subsystem:
   - Add HDR transfer support

  Drivers:
   - dw: fix bus hang on Agilex5
   - mipi-i3c-hci: Intel Nova Lake-S support, IOMMU support
   - svc: HDR support"

* tag 'i3c/for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (28 commits)
  regmap: i3c: switch to use i3c_xfer from i3c_priv_xfer
  net: mctp i3c: switch to use i3c_xfer from i3c_priv_xfer
  hwmon: (lm75): switch to use i3c_xfer from i3c_priv_xfer
  i3c: document i3c_xfers
  i3c: fix I3C_SDR bit number
  i3c: master: svc: Add basic HDR mode support
  i3c: master: svc: Replace bool rnw with union for HDR support
  i3c: Switch to use new i3c_xfer from i3c_priv_xfer
  i3c: Add HDR API support
  i3c: master: add WQ_PERCPU to alloc_workqueue users
  i3c: master: Remove i3c_device_free_ibi from i3c_device_remove
  i3c: mipi-i3c-hci-pci: Set d3cold_delay to 0 for Intel controllers
  i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers
  i3c: mipi-i3c-hci-pci: Add exit callback
  i3c: mipi-i3c-hci-pci: Change callback parameter
  i3c: mipi-i3c-hci-pci: Allocate a structure for mipi_i3c_hci_pci device information
  i3c: mipi-i3c-hci-pci: Factor out intel_reset()
  i3c: mipi-i3c-hci-pci: Factor out private registers ioremapping
  i3c: mipi-i3c-hci-pci: Constify driver data
  i3c: mipi-i3c-hci-pci: Use readl_poll_timeout()
  ...
2025-12-08 11:25:14 +09:00
Linus Torvalds
ba65a4e712 This pull request is entirely SoC clk drivers, not for lack of trying to modify
the core clk framework. The majority diff wise is for the new Rockchip and
 Qualcomm clk drivers which is mostly lines and lines of data structures to
 describe the clk hardware in these SoCs. Beyond those two, Renesas continues to
 incrementally add clks to their SoC drivers, causing them to show up higher in
 the diffstat this time because they added quite a few clks all over the place.
 Overall it is a semi-quiet release that has some new clk drivers and the usual
 fixes for clock data that was wrong or missing and non-critical cleanups that
 plug error paths or fix typos.
 
 New Drivers:
  - Qualcomm IPQ5424 Network Subsystem Clock Controller
  - Qualcomm SM8750 Video Clock Controller
  - Rockchip RV1126B and RK3506 clock drivers
  - i.MX8ULP SIM LPAV clock driver
  - Samsung ACPM (firmware interface) clock driver
  - Altera Agilex5 clock driver
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This is entirely SoC clk drivers.

  The majority diff wise is for the new Rockchip and Qualcomm clk
  drivers which is mostly lines and lines of data structures to describe
  the clk hardware in these SoCs. Beyond those two, Renesas continues to
  incrementally add clks to their SoC drivers, causing them to show up
  higher in the diffstat this time because they added quite a few clks
  all over the place.

  Overall it is a semi-quiet release that has some new clk drivers and
  the usual fixes for clock data that was wrong or missing and
  non-critical cleanups that plug error paths or fix typos.

  New Drivers:
   - Qualcomm IPQ5424 Network Subsystem Clock Controller
   - Qualcomm SM8750 Video Clock Controller
   - Rockchip RV1126B and RK3506 clock drivers
   - i.MX8ULP SIM LPAV clock driver
   - Samsung ACPM (firmware interface) clock driver
   - Altera Agilex5 clock driver"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (117 commits)
  clk: keystone: fix compile testing
  clk: keystone: syscon-clk: fix regmap leak on probe failure
  clk: qcom: Mark camcc_sm7150_hws static
  clk: samsung: exynos-clkout: Assign .num before accessing .hws
  clk: rockchip: Add clock and reset driver for RK3506
  dt-bindings: clock: rockchip: Add RK3506 clock and reset unit
  clk: actions: Fix discarding const qualifier by 'container_of' macro
  clk: spacemit: Set clk_hw_onecell_data::num before using flex array
  clk: visconti: Add VIIF clocks
  dt-bindings: clock: tmpv770x: Add VIIF clocks
  dt-bindings: clock: tmpv770x: Remove definition of number of clocks
  clk: visconti: Do not define number of clocks in bindings
  clk: rockchip: Add clock controller for the RV1126B
  dt-bindings: clock, reset: Add support for rv1126b
  clk: rockchip: Implement rockchip_clk_register_armclk_multi_pll()
  clk: qcom: x1e80100-dispcc: Add USB4 router link resets
  dt-bindings: clock: qcom: x1e80100-dispcc: Add USB4 router link resets
  clk: qcom: videocc-sm8750: Add video clock controller driver for SM8750
  dt-bindings: clock: qcom: Add SM8750 video clock controller
  clk: qcom: branch: Extend invert logic for branch2 mem clocks
  ...
2025-12-08 09:38:52 +09:00
Harry Yoo
0f35040de5 mm/slab: introduce kvfree_rcu_barrier_on_cache() for cache destruction
Currently, kvfree_rcu_barrier() flushes RCU sheaves across all slab
caches when a cache is destroyed. This is unnecessary; only the RCU
sheaves belonging to the cache being destroyed need to be flushed.

As suggested by Vlastimil Babka, introduce a weaker form of
kvfree_rcu_barrier() that operates on a specific slab cache.

Factor out flush_rcu_sheaves_on_cache() from flush_all_rcu_sheaves() and
call it from flush_all_rcu_sheaves() and kvfree_rcu_barrier_on_cache().

Call kvfree_rcu_barrier_on_cache() instead of kvfree_rcu_barrier() on
cache destruction.

The performance benefit is evaluated on a 12 core 24 threads AMD Ryzen
5900X machine (1 socket), by loading slub_kunit module.

Before:
  Total calls: 19
  Average latency (us): 18127
  Total time (us): 344414

After:
  Total calls: 19
  Average latency (us): 10066
  Total time (us): 191264

Two performance regression have been reported:
  - stress module loader test's runtime increases by 50-60% (Daniel)
  - internal graphics test's runtime on Tegra234 increases by 35% (Jon)

They are fixed by this change.

Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Fixes: ec66e0d599 ("slab: add sheaf support for batching kfree_rcu() operations")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/linux-mm/1bda09da-93be-4737-aef0-d47f8c5c9301@suse.cz
Reported-and-tested-by: Daniel Gomez <da.gomez@samsung.com>
Closes: https://lore.kernel.org/linux-mm/0406562e-2066-4cf8-9902-b2b0616dd742@kernel.org
Reported-and-tested-by: Jon Hunter <jonathanh@nvidia.com>
Closes: https://lore.kernel.org/linux-mm/e988eff6-1287-425e-a06c-805af5bbf262@nvidia.com
Signed-off-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20251207154148.117723-1-harry.yoo@oracle.com
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
2025-12-07 18:09:54 +01:00
Linus Torvalds
bbbf7f3284 - fix a bug with O_APPEND in cached mode causing data to be written multiple times on server
- use kvmalloc for trans_fd to avoid problems with large msize and fragmented memory
 This should hopefully be used in more transports when time allows
 - convert to new mount API
 - minor cleanups
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Merge tag '9p-for-6.19-rc1' of https://github.com/martinetd/linux

Pull 9p updates from Dominique Martinet:

 - fix a bug with O_APPEND in cached mode causing data to be written
   multiple times on server

 - use kvmalloc for trans_fd to avoid problems with large msize and
   fragmented memory This should hopefully be used in more transports
   when time allows

 - convert to new mount API

 - minor cleanups

* tag '9p-for-6.19-rc1' of https://github.com/martinetd/linux:
  9p: fix new mount API cache option handling
  9p: fix cache/debug options printing in v9fs_show_options
  9p: convert to the new mount API
  9p: create a v9fs_context structure to hold parsed options
  net/9p: move structures and macros to header files
  fs/fs_parse: add back fsparam_u32hex
  fs/9p: delete unnnecessary condition
  fs/9p: Don't open remote file with APPEND mode when writeback cache is used
  net/9p: cleanup: change p9_trans_module->def to bool
  9p: Use kvmalloc for message buffers on supported transports
2025-12-07 08:29:09 -08:00
Tobias Schumacher
455a65260f genirq: Change hwirq parameter to irq_hw_number_t
The irqdomain implementation internally represents hardware IRQs as
irq_hw_number_t, which is defined as unsigned long int. When providing
an irq_hw_number_t to the generic_handle_domain() functions that expect
and unsigned int hwirq, this can lead to a loss of information. Change
the hwirq parameter to irq_hw_number_t to support the full range of
hwirqs.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Tobias Schumacher <ts@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2025-12-07 16:15:22 +01:00
Joakim Zhang
a4f2fa516e ALSA: hda/core: add addr_offset field for bus address translation
Add bus addr_offset field for dma address translation,
for some SoCs such as CIX SKY1 which is ARM64 Arch, HOST
and HDAC has different memory view, so need to do dma address
translation between HOST and HDAC.

Signed-off-by: Joakim Zhang <joakim.zhang@cixtech.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20251205154621.3019640-3-joakim.zhang@cixtech.com
2025-12-07 13:13:20 +01:00