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Linus Torvalds
617a814f14 ALong with the usual shower of singleton patches, notable patch series in 
this pull request are:
 
 "Align kvrealloc() with krealloc()" from Danilo Krummrich.  Adds
 consistency to the APIs and behaviour of these two core allocation
 functions.  This also simplifies/enables Rustification.
 
 "Some cleanups for shmem" from Baolin Wang.  No functional changes - mode
 code reuse, better function naming, logic simplifications.
 
 "mm: some small page fault cleanups" from Josef Bacik.  No functional
 changes - code cleanups only.
 
 "Various memory tiering fixes" from Zi Yan.  A small fix and a little
 cleanup.
 
 "mm/swap: remove boilerplate" from Yu Zhao.  Code cleanups and
 simplifications and .text shrinkage.
 
 "Kernel stack usage histogram" from Pasha Tatashin and Shakeel Butt.  This
 is a feature, it adds new feilds to /proc/vmstat such as
 
     $ grep kstack /proc/vmstat
     kstack_1k 3
     kstack_2k 188
     kstack_4k 11391
     kstack_8k 243
     kstack_16k 0
 
 which tells us that 11391 processes used 4k of stack while none at all
 used 16k.  Useful for some system tuning things, but partivularly useful
 for "the dynamic kernel stack project".
 
 "kmemleak: support for percpu memory leak detect" from Pavel Tikhomirov.
 Teaches kmemleak to detect leaksage of percpu memory.
 
 "mm: memcg: page counters optimizations" from Roman Gushchin.  "3
 independent small optimizations of page counters".
 
 "mm: split PTE/PMD PT table Kconfig cleanups+clarifications" from David
 Hildenbrand.  Improves PTE/PMD splitlock detection, makes powerpc/8xx work
 correctly by design rather than by accident.
 
 "mm: remove arch_make_page_accessible()" from David Hildenbrand.  Some
 folio conversions which make arch_make_page_accessible() unneeded.
 
 "mm, memcg: cg2 memory{.swap,}.peak write handlers" fro David Finkel.
 Cleans up and fixes our handling of the resetting of the cgroup/process
 peak-memory-use detector.
 
 "Make core VMA operations internal and testable" from Lorenzo Stoakes.
 Rationalizaion and encapsulation of the VMA manipulation APIs.  With a
 view to better enable testing of the VMA functions, even from a
 userspace-only harness.
 
 "mm: zswap: fixes for global shrinker" from Takero Funaki.  Fix issues in
 the zswap global shrinker, resulting in improved performance.
 
 "mm: print the promo watermark in zoneinfo" from Kaiyang Zhao.  Fill in
 some missing info in /proc/zoneinfo.
 
 "mm: replace follow_page() by folio_walk" from David Hildenbrand.  Code
 cleanups and rationalizations (conversion to folio_walk()) resulting in
 the removal of follow_page().
 
 "improving dynamic zswap shrinker protection scheme" from Nhat Pham.  Some
 tuning to improve zswap's dynamic shrinker.  Significant reductions in
 swapin and improvements in performance are shown.
 
 "mm: Fix several issues with unaccepted memory" from Kirill Shutemov.
 Improvements to the new unaccepted memory feature,
 
 "mm/mprotect: Fix dax puds" from Peter Xu.  Implements mprotect on DAX
 PUDs.  This was missing, although nobody seems to have notied yet.
 
 "Introduce a store type enum for the Maple tree" from Sidhartha Kumar.
 Cleanups and modest performance improvements for the maple tree library
 code.
 
 "memcg: further decouple v1 code from v2" from Shakeel Butt.  Move more
 cgroup v1 remnants away from the v2 memcg code.
 
 "memcg: initiate deprecation of v1 features" from Shakeel Butt.  Adds
 various warnings telling users that memcg v1 features are deprecated.
 
 "mm: swap: mTHP swap allocator base on swap cluster order" from Chris Li.
 Greatly improves the success rate of the mTHP swap allocation.
 
 "mm: introduce numa_memblks" from Mike Rapoport.  Moves various disparate
 per-arch implementations of numa_memblk code into generic code.
 
 "mm: batch free swaps for zap_pte_range()" from Barry Song.  Greatly
 improves the performance of munmap() of swap-filled ptes.
 
 "support large folio swap-out and swap-in for shmem" from Baolin Wang.
 With this series we no longer split shmem large folios into simgle-page
 folios when swapping out shmem.
 
 "mm/hugetlb: alloc/free gigantic folios" from Yu Zhao.  Nice performance
 improvements and code reductions for gigantic folios.
 
 "support shmem mTHP collapse" from Baolin Wang.  Adds support for
 khugepaged's collapsing of shmem mTHP folios.
 
 "mm: Optimize mseal checks" from Pedro Falcato.  Fixes an mprotect()
 performance regression due to the addition of mseal().
 
 "Increase the number of bits available in page_type" from Matthew Wilcox.
 Increases the number of bits available in page_type!
 
 "Simplify the page flags a little" from Matthew Wilcox.  Many legacy page
 flags are now folio flags, so the page-based flags and their
 accessors/mutators can be removed.
 
 "mm: store zero pages to be swapped out in a bitmap" from Usama Arif.  An
 optimization which permits us to avoid writing/reading zero-filled zswap
 pages to backing store.
 
 "Avoid MAP_FIXED gap exposure" from Liam Howlett.  Fixes a race window
 which occurs when a MAP_FIXED operqtion is occurring during an unrelated
 vma tree walk.
 
 "mm: remove vma_merge()" from Lorenzo Stoakes.  Major rotorooting of the
 vma_merge() functionality, making ot cleaner, more testable and better
 tested.
 
 "misc fixups for DAMON {self,kunit} tests" from SeongJae Park.  Minor
 fixups of DAMON selftests and kunit tests.
 
 "mm: memory_hotplug: improve do_migrate_range()" from Kefeng Wang.  Code
 cleanups and folio conversions.
 
 "Shmem mTHP controls and stats improvements" from Ryan Roberts.  Cleanups
 for shmem controls and stats.
 
 "mm: count the number of anonymous THPs per size" from Barry Song.  Expose
 additional anon THP stats to userspace for improved tuning.
 
 "mm: finish isolate/putback_lru_page()" from Kefeng Wang: more folio
 conversions and removal of now-unused page-based APIs.
 
 "replace per-quota region priorities histogram buffer with per-context
 one" from SeongJae Park.  DAMON histogram rationalization.
 
 "Docs/damon: update GitHub repo URLs and maintainer-profile" from SeongJae
 Park.  DAMON documentation updates.
 
 "mm/vdpa: correct misuse of non-direct-reclaim __GFP_NOFAIL and improve
 related doc and warn" from Jason Wang: fixes usage of page allocator
 __GFP_NOFAIL and GFP_ATOMIC flags.
 
 "mm: split underused THPs" from Yu Zhao.  Improve THP=always policy - this
 was overprovisioning THPs in sparsely accessed memory areas.
 
 "zram: introduce custom comp backends API" frm Sergey Senozhatsky.  Add
 support for zram run-time compression algorithm tuning.
 
 "mm: Care about shadow stack guard gap when getting an unmapped area" from
 Mark Brown.  Fix up the various arch_get_unmapped_area() implementations
 to better respect guard areas.
 
 "Improve mem_cgroup_iter()" from Kinsey Ho.  Improve the reliability of
 mem_cgroup_iter() and various code cleanups.
 
 "mm: Support huge pfnmaps" from Peter Xu.  Extends the usage of huge
 pfnmap support.
 
 "resource: Fix region_intersects() vs add_memory_driver_managed()" from
 Huang Ying.  Fix a bug in region_intersects() for systems with CXL memory.
 
 "mm: hwpoison: two more poison recovery" from Kefeng Wang.  Teaches a
 couple more code paths to correctly recover from the encountering of
 poisoned memry.
 
 "mm: enable large folios swap-in support" from Barry Song.  Support the
 swapin of mTHP memory into appropriately-sized folios, rather than into
 single-page folios.
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Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:
 "Along with the usual shower of singleton patches, notable patch series
  in this pull request are:

   - "Align kvrealloc() with krealloc()" from Danilo Krummrich. Adds
     consistency to the APIs and behaviour of these two core allocation
     functions. This also simplifies/enables Rustification.

   - "Some cleanups for shmem" from Baolin Wang. No functional changes -
     mode code reuse, better function naming, logic simplifications.

   - "mm: some small page fault cleanups" from Josef Bacik. No
     functional changes - code cleanups only.

   - "Various memory tiering fixes" from Zi Yan. A small fix and a
     little cleanup.

   - "mm/swap: remove boilerplate" from Yu Zhao. Code cleanups and
     simplifications and .text shrinkage.

   - "Kernel stack usage histogram" from Pasha Tatashin and Shakeel
     Butt. This is a feature, it adds new feilds to /proc/vmstat such as

       $ grep kstack /proc/vmstat
       kstack_1k 3
       kstack_2k 188
       kstack_4k 11391
       kstack_8k 243
       kstack_16k 0

     which tells us that 11391 processes used 4k of stack while none at
     all used 16k. Useful for some system tuning things, but
     partivularly useful for "the dynamic kernel stack project".

   - "kmemleak: support for percpu memory leak detect" from Pavel
     Tikhomirov. Teaches kmemleak to detect leaksage of percpu memory.

   - "mm: memcg: page counters optimizations" from Roman Gushchin. "3
     independent small optimizations of page counters".

   - "mm: split PTE/PMD PT table Kconfig cleanups+clarifications" from
     David Hildenbrand. Improves PTE/PMD splitlock detection, makes
     powerpc/8xx work correctly by design rather than by accident.

   - "mm: remove arch_make_page_accessible()" from David Hildenbrand.
     Some folio conversions which make arch_make_page_accessible()
     unneeded.

   - "mm, memcg: cg2 memory{.swap,}.peak write handlers" fro David
     Finkel. Cleans up and fixes our handling of the resetting of the
     cgroup/process peak-memory-use detector.

   - "Make core VMA operations internal and testable" from Lorenzo
     Stoakes. Rationalizaion and encapsulation of the VMA manipulation
     APIs. With a view to better enable testing of the VMA functions,
     even from a userspace-only harness.

   - "mm: zswap: fixes for global shrinker" from Takero Funaki. Fix
     issues in the zswap global shrinker, resulting in improved
     performance.

   - "mm: print the promo watermark in zoneinfo" from Kaiyang Zhao. Fill
     in some missing info in /proc/zoneinfo.

   - "mm: replace follow_page() by folio_walk" from David Hildenbrand.
     Code cleanups and rationalizations (conversion to folio_walk())
     resulting in the removal of follow_page().

   - "improving dynamic zswap shrinker protection scheme" from Nhat
     Pham. Some tuning to improve zswap's dynamic shrinker. Significant
     reductions in swapin and improvements in performance are shown.

   - "mm: Fix several issues with unaccepted memory" from Kirill
     Shutemov. Improvements to the new unaccepted memory feature,

   - "mm/mprotect: Fix dax puds" from Peter Xu. Implements mprotect on
     DAX PUDs. This was missing, although nobody seems to have notied
     yet.

   - "Introduce a store type enum for the Maple tree" from Sidhartha
     Kumar. Cleanups and modest performance improvements for the maple
     tree library code.

   - "memcg: further decouple v1 code from v2" from Shakeel Butt. Move
     more cgroup v1 remnants away from the v2 memcg code.

   - "memcg: initiate deprecation of v1 features" from Shakeel Butt.
     Adds various warnings telling users that memcg v1 features are
     deprecated.

   - "mm: swap: mTHP swap allocator base on swap cluster order" from
     Chris Li. Greatly improves the success rate of the mTHP swap
     allocation.

   - "mm: introduce numa_memblks" from Mike Rapoport. Moves various
     disparate per-arch implementations of numa_memblk code into generic
     code.

   - "mm: batch free swaps for zap_pte_range()" from Barry Song. Greatly
     improves the performance of munmap() of swap-filled ptes.

   - "support large folio swap-out and swap-in for shmem" from Baolin
     Wang. With this series we no longer split shmem large folios into
     simgle-page folios when swapping out shmem.

   - "mm/hugetlb: alloc/free gigantic folios" from Yu Zhao. Nice
     performance improvements and code reductions for gigantic folios.

   - "support shmem mTHP collapse" from Baolin Wang. Adds support for
     khugepaged's collapsing of shmem mTHP folios.

   - "mm: Optimize mseal checks" from Pedro Falcato. Fixes an mprotect()
     performance regression due to the addition of mseal().

   - "Increase the number of bits available in page_type" from Matthew
     Wilcox. Increases the number of bits available in page_type!

   - "Simplify the page flags a little" from Matthew Wilcox. Many legacy
     page flags are now folio flags, so the page-based flags and their
     accessors/mutators can be removed.

   - "mm: store zero pages to be swapped out in a bitmap" from Usama
     Arif. An optimization which permits us to avoid writing/reading
     zero-filled zswap pages to backing store.

   - "Avoid MAP_FIXED gap exposure" from Liam Howlett. Fixes a race
     window which occurs when a MAP_FIXED operqtion is occurring during
     an unrelated vma tree walk.

   - "mm: remove vma_merge()" from Lorenzo Stoakes. Major rotorooting of
     the vma_merge() functionality, making ot cleaner, more testable and
     better tested.

   - "misc fixups for DAMON {self,kunit} tests" from SeongJae Park.
     Minor fixups of DAMON selftests and kunit tests.

   - "mm: memory_hotplug: improve do_migrate_range()" from Kefeng Wang.
     Code cleanups and folio conversions.

   - "Shmem mTHP controls and stats improvements" from Ryan Roberts.
     Cleanups for shmem controls and stats.

   - "mm: count the number of anonymous THPs per size" from Barry Song.
     Expose additional anon THP stats to userspace for improved tuning.

   - "mm: finish isolate/putback_lru_page()" from Kefeng Wang: more
     folio conversions and removal of now-unused page-based APIs.

   - "replace per-quota region priorities histogram buffer with
     per-context one" from SeongJae Park. DAMON histogram
     rationalization.

   - "Docs/damon: update GitHub repo URLs and maintainer-profile" from
     SeongJae Park. DAMON documentation updates.

   - "mm/vdpa: correct misuse of non-direct-reclaim __GFP_NOFAIL and
     improve related doc and warn" from Jason Wang: fixes usage of page
     allocator __GFP_NOFAIL and GFP_ATOMIC flags.

   - "mm: split underused THPs" from Yu Zhao. Improve THP=always policy.
     This was overprovisioning THPs in sparsely accessed memory areas.

   - "zram: introduce custom comp backends API" frm Sergey Senozhatsky.
     Add support for zram run-time compression algorithm tuning.

   - "mm: Care about shadow stack guard gap when getting an unmapped
     area" from Mark Brown. Fix up the various arch_get_unmapped_area()
     implementations to better respect guard areas.

   - "Improve mem_cgroup_iter()" from Kinsey Ho. Improve the reliability
     of mem_cgroup_iter() and various code cleanups.

   - "mm: Support huge pfnmaps" from Peter Xu. Extends the usage of huge
     pfnmap support.

   - "resource: Fix region_intersects() vs add_memory_driver_managed()"
     from Huang Ying. Fix a bug in region_intersects() for systems with
     CXL memory.

   - "mm: hwpoison: two more poison recovery" from Kefeng Wang. Teaches
     a couple more code paths to correctly recover from the encountering
     of poisoned memry.

   - "mm: enable large folios swap-in support" from Barry Song. Support
     the swapin of mTHP memory into appropriately-sized folios, rather
     than into single-page folios"

* tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (416 commits)
  zram: free secondary algorithms names
  uprobes: turn xol_area->pages[2] into xol_area->page
  uprobes: introduce the global struct vm_special_mapping xol_mapping
  Revert "uprobes: use vm_special_mapping close() functionality"
  mm: support large folios swap-in for sync io devices
  mm: add nr argument in mem_cgroup_swapin_uncharge_swap() helper to support large folios
  mm: fix swap_read_folio_zeromap() for large folios with partial zeromap
  mm/debug_vm_pgtable: Use pxdp_get() for accessing page table entries
  set_memory: add __must_check to generic stubs
  mm/vma: return the exact errno in vms_gather_munmap_vmas()
  memcg: cleanup with !CONFIG_MEMCG_V1
  mm/show_mem.c: report alloc tags in human readable units
  mm: support poison recovery from copy_present_page()
  mm: support poison recovery from do_cow_fault()
  resource, kunit: add test case for region_intersects()
  resource: make alloc_free_mem_region() works for iomem_resource
  mm: z3fold: deprecate CONFIG_Z3FOLD
  vfio/pci: implement huge_fault support
  mm/arm64: support large pfn mappings
  mm/x86: support large pfn mappings
  ...
 2024-09-21 07:29:05 -07:00
Linus Torvalds
1868f9d026 orangefs: Constify struct kobj_type 
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Merge tag 'for-linux-6.12-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs update from Mike Marshall:
 "Constify struct kobj_type"

* tag 'for-linux-6.12-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: Constify struct kobj_type
 2024-09-20 19:34:00 -07:00
Linus Torvalds
056f8c437d Lots of cleanups and bug fixes this cycle, primarily in the block 
allocation, extent management, fast commit, and journalling.
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Merge tag 'ext4_for_linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Lots of cleanups and bug fixes this cycle, primarily in the block
  allocation, extent management, fast commit, and journalling"

* tag 'ext4_for_linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (93 commits)
  ext4: convert EXT4_B2C(sbi->s_stripe) users to EXT4_NUM_B2C
  ext4: check stripe size compatibility on remount as well
  ext4: fix i_data_sem unlock order in ext4_ind_migrate()
  ext4: remove the special buffer dirty handling in do_journal_get_write_access
  ext4: fix a potential assertion failure due to improperly dirtied buffer
  ext4: hoist ext4_block_write_begin and replace the __block_write_begin
  ext4: persist the new uptodate buffers in ext4_journalled_zero_new_buffers
  ext4: dax: keep orphan list before truncate overflow allocated blocks
  ext4: fix error message when rejecting the default hash
  ext4: save unnecessary indentation in ext4_ext_create_new_leaf()
  ext4: make some fast commit functions reuse extents path
  ext4: refactor ext4_swap_extents() to reuse extents path
  ext4: get rid of ppath in convert_initialized_extent()
  ext4: get rid of ppath in ext4_ext_handle_unwritten_extents()
  ext4: get rid of ppath in ext4_ext_convert_to_initialized()
  ext4: get rid of ppath in ext4_convert_unwritten_extents_endio()
  ext4: get rid of ppath in ext4_split_convert_extents()
  ext4: get rid of ppath in ext4_split_extent()
  ext4: get rid of ppath in ext4_force_split_extent_at()
  ext4: get rid of ppath in ext4_split_extent_at()
  ...
 2024-09-20 19:26:45 -07:00
Linus Torvalds
171754c380 vfs-6.12.blocksize 
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Merge tag 'vfs-6.12.blocksize' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

Pull vfs blocksize updates from Christian Brauner:
 "This contains the vfs infrastructure as well as the xfs bits to enable
  support for block sizes (bs) larger than page sizes (ps) plus a few
  fixes to related infrastructure.

  There has been efforts over the last 16 years to enable enable Large
  Block Sizes (LBS), that is block sizes in filesystems where bs > page
  size. Through these efforts we have learned that one of the main
  blockers to supporting bs > ps in filesystems has been a way to
  allocate pages that are at least the filesystem block size on the page
  cache where bs > ps.

  Thanks to various previous efforts it is possible to support bs > ps
  in XFS with only a few changes in XFS itself. Most changes are to the
  page cache to support minimum order folio support for the target block
  size on the filesystem.

  A motivation for Large Block Sizes today is to support high-capacity
  (large amount of Terabytes) QLC SSDs where the internal Indirection
  Unit (IU) are typically greater than 4k to help reduce DRAM and so in
  turn cost and space. In practice this then allows different
  architectures to use a base page size of 4k while still enabling
  support for block sizes aligned to the larger IUs by relying on high
  order folios on the page cache when needed.

  It also allows to take advantage of the drive's support for atomics
  larger than 4k with buffered IO support in Linux. As described this
  year at LSFMM, supporting large atomics greater than 4k enables
  databases to remove the need to rely on their own journaling, so they
  can disable double buffered writes, which is a feature different cloud
  providers are already enabling through custom storage solutions"

* tag 'vfs-6.12.blocksize' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (22 commits)
  Documentation: iomap: fix a typo
  iomap: remove the iomap_file_buffered_write_punch_delalloc return value
  iomap: pass the iomap to the punch callback
  iomap: pass flags to iomap_file_buffered_write_punch_delalloc
  iomap: improve shared block detection in iomap_unshare_iter
  iomap: handle a post-direct I/O invalidate race in iomap_write_delalloc_release
  docs:filesystems: fix spelling and grammar mistakes in iomap design page
  filemap: fix htmldoc warning for mapping_align_index()
  iomap: make zero range flush conditional on unwritten mappings
  iomap: fix handling of dirty folios over unwritten extents
  iomap: add a private argument for iomap_file_buffered_write
  iomap: remove set_memor_ro() on zero page
  xfs: enable block size larger than page size support
  xfs: make the calculation generic in xfs_sb_validate_fsb_count()
  xfs: expose block size in stat
  xfs: use kvmalloc for xattr buffers
  iomap: fix iomap_dio_zero() for fs bs > system page size
  filemap: cap PTE range to be created to allowed zero fill in folio_map_range()
  mm: split a folio in minimum folio order chunks
  readahead: allocate folios with mapping_min_order in readahead
  ...
 2024-09-20 17:53:17 -07:00
Linus Torvalds
baeb9a7d8b Enable PREEMPT_RT on supported architectures: 
After twenty years of development we finally reached the point to enable
   PREEMPT_RT support in the mainline kernel.
 
   All prerequisites are merged, so enable it on the supported architectures
   ARM64, RISCV and X86(32/64-bit).
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Merge tag 'sched-rt-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RT enablement from Thomas Gleixner:
 "Enable PREEMPT_RT on supported architectures:

  After twenty years of development we finally reached the point to
  enable PREEMPT_RT support in the mainline kernel.

  All prerequisites are merged, so enable it on the supported
  architectures ARM64, RISCV and X86(32/64-bit)"

* tag 'sched-rt-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  riscv: Allow to enable PREEMPT_RT.
  arm64: Allow to enable PREEMPT_RT.
  x86: Allow to enable PREEMPT_RT.
 2024-09-20 06:04:27 +02:00
Linus Torvalds
2004cef11e In the v6.12 scheduler development cycle we had 63 commits from 18 contributors: 
- Implement the SCHED_DEADLINE server infrastructure - Daniel Bristot de Oliveira's
    last major contribution to the kernel:
 
      "SCHED_DEADLINE servers can help fixing starvation issues of low priority
      tasks (e.g., SCHED_OTHER) when higher priority tasks monopolize CPU
      cycles. Today we have RT Throttling; DEADLINE servers should be able to
      replace and improve that."
 
      (Daniel Bristot de Oliveira, Peter Zijlstra, Joel Fernandes,
       Youssef Esmat, Huang Shijie)
 
  - Preparatory changes for sched_ext integration:
 
      - Use set_next_task(.first) where required
      - Fix up set_next_task() implementations
      - Clean up DL server vs. core sched
      - Split up put_prev_task_balance()
      - Rework pick_next_task()
      - Combine the last put_prev_task() and the first set_next_task()
      - Rework dl_server
      - Add put_prev_task(.next)
 
       (Peter Zijlstra, with a fix by Tejun Heo)
 
  - Complete the EEVDF transition and refine EEVDF scheduling:
 
      - Implement delayed dequeue
      - Allow shorter slices to wakeup-preempt
      - Use sched_attr::sched_runtime to set request/slice suggestion
      - Document the new feature flags
      - Remove unused and duplicate-functionality fields
      - Simplify & unify pick_next_task_fair()
      - Misc debuggability enhancements
 
       (Peter Zijlstra, with fixes/cleanups by Dietmar Eggemann,
        Valentin Schneider and Chuyi Zhou)
 
  - Initialize the vruntime of a new task when it is first enqueued,
    resulting in significant decrease in latency of newly woken tasks.
    (Zhang Qiao)
 
  - Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
    (K Prateek Nayak, Peter Zijlstra)
 
  - Clean up and clarify the usage of Clean up usage of rt_task()
    (Qais Yousef)
 
  - Preempt SCHED_IDLE entities in strict cgroup hierarchies
    (Tianchen Ding)
 
  - Clarify the documentation of time units for deadline scheduler
    parameters. (Christian Loehle)
 
  - Remove the HZ_BW chicken-bit feature flag introduced a year ago,
    the original change seems to be working fine.
    (Phil Auld)
 
  - Misc fixes and cleanups (Chen Yu, Dan Carpenter, Huang Shijie,
    Peilin He, Qais Yousefm and Vincent Guittot)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - Implement the SCHED_DEADLINE server infrastructure - Daniel Bristot
   de Oliveira's last major contribution to the kernel:

     "SCHED_DEADLINE servers can help fixing starvation issues of low
      priority tasks (e.g., SCHED_OTHER) when higher priority tasks
      monopolize CPU cycles. Today we have RT Throttling; DEADLINE
      servers should be able to replace and improve that."

   (Daniel Bristot de Oliveira, Peter Zijlstra, Joel Fernandes, Youssef
   Esmat, Huang Shijie)

 - Preparatory changes for sched_ext integration:
     - Use set_next_task(.first) where required
     - Fix up set_next_task() implementations
     - Clean up DL server vs. core sched
     - Split up put_prev_task_balance()
     - Rework pick_next_task()
     - Combine the last put_prev_task() and the first set_next_task()
     - Rework dl_server
     - Add put_prev_task(.next)

   (Peter Zijlstra, with a fix by Tejun Heo)

 - Complete the EEVDF transition and refine EEVDF scheduling:
     - Implement delayed dequeue
     - Allow shorter slices to wakeup-preempt
     - Use sched_attr::sched_runtime to set request/slice suggestion
     - Document the new feature flags
     - Remove unused and duplicate-functionality fields
     - Simplify & unify pick_next_task_fair()
     - Misc debuggability enhancements

   (Peter Zijlstra, with fixes/cleanups by Dietmar Eggemann, Valentin
   Schneider and Chuyi Zhou)

 - Initialize the vruntime of a new task when it is first enqueued,
   resulting in significant decrease in latency of newly woken tasks
   (Zhang Qiao)

 - Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
   (K Prateek Nayak, Peter Zijlstra)

 - Clean up and clarify the usage of Clean up usage of rt_task()
   (Qais Yousef)

 - Preempt SCHED_IDLE entities in strict cgroup hierarchies
   (Tianchen Ding)

 - Clarify the documentation of time units for deadline scheduler
   parameters (Christian Loehle)

 - Remove the HZ_BW chicken-bit feature flag introduced a year ago,
   the original change seems to be working fine (Phil Auld)

 - Misc fixes and cleanups (Chen Yu, Dan Carpenter, Huang Shijie,
   Peilin He, Qais Yousefm and Vincent Guittot)

* tag 'sched-core-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
  sched/cpufreq: Use NSEC_PER_MSEC for deadline task
  cpufreq/cppc: Use NSEC_PER_MSEC for deadline task
  sched/deadline: Clarify nanoseconds in uapi
  sched/deadline: Convert schedtool example to chrt
  sched/debug: Fix the runnable tasks output
  sched: Fix sched_delayed vs sched_core
  kernel/sched: Fix util_est accounting for DELAY_DEQUEUE
  kthread: Fix task state in kthread worker if being frozen
  sched/pelt: Use rq_clock_task() for hw_pressure
  sched/fair: Move effective_cpu_util() and effective_cpu_util() in fair.c
  sched/core: Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
  sched: Add put_prev_task(.next)
  sched: Rework dl_server
  sched: Combine the last put_prev_task() and the first set_next_task()
  sched: Rework pick_next_task()
  sched: Split up put_prev_task_balance()
  sched: Clean up DL server vs core sched
  sched: Fixup set_next_task() implementations
  sched: Use set_next_task(.first) where required
  sched/fair: Properly deactivate sched_delayed task upon class change
  ...
 2024-09-19 15:55:58 +02:00
Linus Torvalds
509d2cd12a Smack changes for v6.12 
- rcu pointer assignment in smk_set_cipso
 	- indentation in smack_ip_output
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Merge tag 'Smack-for-6.12' of https://github.com/cschaufler/smack-next

Pull smack updates from Casey Schaufler:
 "Two patches: one is a simple indentation correction, the other
  corrects a potentially rcu unsafe pointer assignment"

* tag 'Smack-for-6.12' of https://github.com/cschaufler/smack-next:
  smackfs: Use rcu_assign_pointer() to ensure safe assignment in smk_set_cipso
  security: smack: Fix indentation in smack_netfilter.c
 2024-09-19 13:09:19 +02:00
Linus Torvalds
7f52bb9de5 i2c-for-6.11-final-but-missed-it 
These are only fixes originally meant for 6.11 final. Because of serious
 travel problems, I could not send them in time and so this is my first
 PR for 6.12.
 
 The Aspeed driver tracks the controller's state (stop, pending,
 start, etc.). Previously, when the stop command was sent, the
 state was not updated. The fix in this pull request ensures the
 driver's state is aligned with the device status.
 
 The Intel SCH driver receives a new look, and among the cleanups,
 there is a fix where, due to an oversight, an if/else statement
 was missing the else, causing it to move forward instead of
 exiting the function in case of an error.
 
 The Qualcomm GENI I2C driver adds the IRQF_NO_AUTOEN flag to the
 IRQ setup to prevent unwanted interrupts during probe.
 
 The Xilinx XPS controller fixes TX FIFO handling to avoid missed
 NAKs. Another fix ensures the controller is reinitialized when
 the bus appears busy.
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Merge tag 'i2c-for-6.11-final-but-missed-it' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "The Aspeed driver tracks the controller's state (stop, pending, start,
  etc.). Previously, when the stop command was sent, the state was not
  updated. The fix ensures the driver's state is aligned with the device
  status.

  The Intel SCH driver receives a new look, and among the cleanups,
  there is a fix where, due to an oversight, an if/else statement was
  missing the else, causing it to move forward instead of exiting the
  function in case of an error.

  The Qualcomm GENI I2C driver adds the IRQF_NO_AUTOEN flag to the IRQ
  setup to prevent unwanted interrupts during probe.

  The Xilinx XPS controller fixes TX FIFO handling to avoid missed NAKs.
  Another fix ensures the controller is reinitialized when the bus
  appears busy"

* tag 'i2c-for-6.11-final-but-missed-it' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: qcom-geni: Use IRQF_NO_AUTOEN flag in request_irq()
  i2c: isch: Add missed 'else'
  i2c: xiic: Try re-initialization on bus busy timeout
  i2c: xiic: Wait for TX empty to avoid missed TX NAKs
  i2c: aspeed: Update the stop sw state when the bus recovery occurs
 2024-09-19 12:52:23 +02:00
Linus Torvalds
839c4f596f 12 hotfixes, 11 of which are cc:stable. 
Four fixes for longstanding ocfs2 issues and the remainder address random
 MM things.
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Merge tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc hotfixes from Andrew Morton:
 "12 hotfixes, 11 of which are cc:stable.

  Four fixes for longstanding ocfs2 issues and the remainder address
  random MM things"

* tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/madvise: process_madvise() drop capability check if same mm
  mm/huge_memory: ensure huge_zero_folio won't have large_rmappable flag set
  mm/hugetlb.c: fix UAF of vma in hugetlb fault pathway
  mm: change vmf_anon_prepare() to __vmf_anon_prepare()
  resource: fix region_intersects() vs add_memory_driver_managed()
  zsmalloc: use unique zsmalloc caches names
  mm/damon/vaddr: protect vma traversal in __damon_va_thre_regions() with rcu read lock
  mm: vmscan.c: fix OOM on swap stress test
  ocfs2: cancel dqi_sync_work before freeing oinfo
  ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
  ocfs2: remove unreasonable unlock in ocfs2_read_blocks
  ocfs2: fix null-ptr-deref when journal load failed.
 2024-09-19 11:35:31 +02:00
Linus Torvalds
a1d1eb2f57 SCSI misc on 20240919 
Updates to the usual drivers (ufs, smartpqi, NCR5380, mac_scsi, lpfc,
 mpi3mr).  There are no user visible core changes and a whole series of
 minor updates and fixes.  The largest core change is probably the
 simplification of the workqueue allocation path.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, smartpqi, NCR5380, mac_scsi, lpfc,
  mpi3mr).

  There are no user visible core changes and a whole series of minor
  updates and fixes. The largest core change is probably the
  simplification of the workqueue allocation path"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (86 commits)
  scsi: smartpqi: update driver version to 2.1.30-031
  scsi: smartpqi: fix volume size updates
  scsi: smartpqi: fix rare system hang during LUN reset
  scsi: smartpqi: add new controller PCI IDs
  scsi: smartpqi: add counter for parity write stream requests
  scsi: smartpqi: correct stream detection
  scsi: smartpqi: Add fw log to kdump
  scsi: bnx2fc: Remove some unused fields in struct bnx2fc_rport
  scsi: qla2xxx: Remove the unused 'del_list_entry' field in struct fc_port
  scsi: ufs: core: Remove ufshcd_urgent_bkops()
  scsi: core: Remove obsoleted declaration for scsi_driverbyte_string()
  scsi: bnx2i: Remove unused declarations
  scsi: core: Simplify an alloc_workqueue() invocation
  scsi: ufs: Simplify alloc*_workqueue() invocation
  scsi: stex: Simplify an alloc_ordered_workqueue() invocation
  scsi: scsi_transport_fc: Simplify alloc_workqueue() invocations
  scsi: snic: Simplify alloc_workqueue() invocations
  scsi: qedi: Simplify an alloc_workqueue() invocation
  scsi: qedf: Simplify alloc_workqueue() invocations
  scsi: myrs: Simplify an alloc_ordered_workqueue() invocation
  ...
 2024-09-19 11:28:51 +02:00
Linus Torvalds
726e2d0cf2 dma-mapping updates for linux 6.12 
- support DMA zones for arm64 systems where memory starts at > 4GB
    (Baruch Siach, Catalin Marinas)
  - support direct calls into dma-iommu and thus obsolete dma_map_ops for
    many common configurations (Leon Romanovsky)
  - add DMA-API tracing (Sean Anderson)
  - remove the not very useful return value from various dma_set_* APIs
    (Christoph Hellwig)
  - misc cleanups and minor optimizations (Chen Y, Yosry Ahmed,
    Christoph Hellwig)
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Merge tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - support DMA zones for arm64 systems where memory starts at > 4GB
   (Baruch Siach, Catalin Marinas)

 - support direct calls into dma-iommu and thus obsolete dma_map_ops for
   many common configurations (Leon Romanovsky)

 - add DMA-API tracing (Sean Anderson)

 - remove the not very useful return value from various dma_set_* APIs
   (Christoph Hellwig)

 - misc cleanups and minor optimizations (Chen Y, Yosry Ahmed, Christoph
   Hellwig)

* tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: reflow dma_supported
  dma-mapping: reliably inform about DMA support for IOMMU
  dma-mapping: add tracing for dma-mapping API calls
  dma-mapping: use IOMMU DMA calls for common alloc/free page calls
  dma-direct: optimize page freeing when it is not addressable
  dma-mapping: clearly mark DMA ops as an architecture feature
  vdpa_sim: don't select DMA_OPS
  arm64: mm: keep low RAM dma zone
  dma-mapping: don't return errors from dma_set_max_seg_size
  dma-mapping: don't return errors from dma_set_seg_boundary
  dma-mapping: don't return errors from dma_set_min_align_mask
  scsi: check that busses support the DMA API before setting dma parameters
  arm64: mm: fix DMA zone when dma-ranges is missing
  dma-mapping: direct calls for dma-iommu
  dma-mapping: call ->unmap_page and ->unmap_sg unconditionally
  arm64: support DMA zone above 4GB
  dma-mapping: replace zone_dma_bits by zone_dma_limit
  dma-mapping: use bit masking to check VM_DMA_COHERENT
 2024-09-19 11:12:49 +02:00
Linus Torvalds
de848da12f drm next for 6.12-rc1 
string:
 - add mem_is_zero()
 
 core:
 - support more device numbers
 - use XArray for minor ids
 - add backlight constants
 - Split dma fence array creation into alloc and arm
 
 fbdev:
 - remove usage of old fbdev hooks
 
 kms:
 - Add might_fault() to drm_modeset_lock priming
 - Add dynamic per-crtc vblank configuration support
 
 dma-buf:
 - docs cleanup
 
 buddy:
 - Add start address support for trim function
 
 printk:
 - pass description to kmsg_dump
 
 scheduler;
 - Remove full_recover from drm_sched_start
 
 ttm:
 - Make LRU walk restartable after dropping locks
 - Allow direct reclaim to allocate local memory
 
 panic:
 - add display QR code (in rust)
 
 displayport:
 - mst: GUID improvements
 
 bridge:
 - Silence error message on -EPROBE_DEFER
 - analogix: Clean aup
 - bridge-connector: Fix double free
 - lt6505: Disable interrupt when powered off
 - tc358767: Make default DP port preemphasis configurable
 - lt9611uxc: require DRM_BRIDGE_ATTACH_NO_CONNECTOR
 - anx7625: simplify OF array handling
 - dw-hdmi: simplify clock handling
 - lontium-lt8912b: fix mode validation
 - nwl-dsi: fix mode vsync/hsync polarity
 
 xe:
 - Enable LunarLake and Battlemage support
 - Introducing Xe2 ccs modifiers for integrated and discrete graphics
 - rename xe perf to xe observation
 - use wb caching on DGFX for system memory
 - add fence timeouts
 - Lunar Lake graphics/media/display workarounds
 - Battlemage workarounds
 - Battlemage GSC support
 - GSC and HuC fw updates for LL/BM
 - use dma_fence_chain_free
 - refactor hw engine lookup and mmio access
 - enable priority mem read for Xe2
 - Add first GuC BMG fw
 - fix dma-resv lock
 - Fix DGFX display suspend/resume
 - Use xe_managed for kernel BOs
 - Use reserved copy engine for user binds on faulting devices
 - Allow mixing dma-fence jobs and long-running faulting jobs
 - fix media TLB invalidation
 - fix rpm in TTM swapout path
 - track resources and VF state by PF
 
 i915:
 - Type-C programming fix for MTL+
 - FBC cleanup
 - Calc vblank delay more accurately
 - On DP MST, Enable LT fallback for UHBR<->non-UHBR rates
 - Fix DP LTTPR detection
 - limit relocations to INT_MAX
 - fix long hangs in buddy allocator on DG2/A380
 
 amdgpu:
 - Per-queue reset support
 - SDMA devcoredump support
 - DCN 4.0.1 updates
 - GFX12/VCN4/JPEG4 updates
 - Convert vbios embedded EDID to drm_edid
 - GFX9.3/9.4 devcoredump support
 - process isolation framework for GFX 9.4.3/4
 - take IOMMU mappings into account for P2P DMA
 
 amdkfd:
 - CRIU fixes
 - HMM fix
 - Enable process isolation support for GFX 9.4.3/4
 - Allow users to target recommended SDMA engines
 - KFD support for targetting queues on recommended SDMA engines
 
 radeon:
 - remove .load and drm_dev_alloc
 - Fix vbios embedded EDID size handling
 - Convert vbios embedded EDID to drm_edid
 - Use GEM references instead of TTM
 - r100 cp init cleanup
 - Fix potential overflows in evergreen CS offset tracking
 
 msm:
 - DPU:
 - implement DP/PHY mapping on SC8180X
 - Enable writeback on SM8150, SC8180X, SM6125, SM6350
 - DP:
 - Enable widebus on all relevant chipsets
 - MSM8998 HDMI support
 - GPU:
 - A642L speedbin support
 - A615/A306/A621 support
 - A7xx devcoredump support
 
 ast:
 - astdp: Support AST2600 with VGA
 - Clean up HPD
 - Fix timeout loop for DP link training
 - reorganize output code by type (VGA, DP, etc)
 - convert to struct drm_edid
 - fix BMC handling for all outputs
 
 exynos:
 - drop stale MAINTAINERS pattern
 - constify struct
 
 loongson:
 - use GEM refcount over TTM
 
 mgag200:
 - Improve BMC handling
 - Support VBLANK intterupts
 - transparently support BMC outputs
 
 nouveau:
 - Refactor and clean up internals
 - Use GEM refcount over TTM's
 
 gm12u320:
 - convert to struct drm_edid
 
 gma500:
 - update i2c terms
 
 lcdif:
 - pixel clock fix
 
 host1x:
 - fix syncpoint IRQ during resume
 - use iommu_paging_domain_alloc()
 
 imx:
 - ipuv3: convert to struct drm_edid
 
 omapdrm:
 - improve error handling
 - use common helper for_each_endpoint_of_node()
 
 panel:
 - add support for BOE TV101WUM-LL2 plus DT bindings
 - novatek-nt35950: improve error handling
 - nv3051d: improve error handling
 - panel-edp: add support for BOE NE140WUM-N6G; revert support for
   SDC ATNA45AF01
 - visionox-vtdr6130: improve error handling; use
   devm_regulator_bulk_get_const()
 - boe-th101mb31ig002: Support for starry-er88577 MIPI-DSI panel plus
   DT; Fix porch parameter
 - edp: Support AOU B116XTN02.3, AUO B116XAN06.1, AOU B116XAT04.1,
   BOE NV140WUM-N41, BOE NV133WUM-N63, BOE NV116WHM-A4D, CMN N116BCA-EA2,
   CMN N116BCP-EA2, CSW MNB601LS1-4
 - himax-hx8394: Support Microchip AC40T08A MIPI Display panel plus DT
 - ilitek-ili9806e: Support Densitron DMT028VGHMCMI-1D TFT plus DT
 - jd9365da: Support Melfas lmfbx101117480 MIPI-DSI panel plus DT; Refactor
   for code sharing
 - panel-edp: fix name for HKC MB116AN01
 - jd9365da: fix "exit sleep" commands
 - jdi-fhd-r63452: simplify error handling with DSI multi-style
   helpers
 - mantix-mlaf057we51: simplify error handling with DSI multi-style
   helpers
 - simple:
   support Innolux G070ACE-LH3 plus DT bindings
   support On Tat Industrial Company KD50G21-40NT-A1 plus DT bindings
 - st7701:
   decouple DSI and DRM code
   add SPI support
   support Anbernic RG28XX plus DT bindings
 
 mediatek:
 - support alpha blending
 - remove cl in struct cmdq_pkt
 - ovl adaptor fix
 - add power domain binding for mediatek DPI controller
 
 renesas:
 - rz-du: add support for RZ/G2UL plus DT bindings
 
 rockchip:
 - Improve DP sink-capability reporting
 - dw_hdmi: Support 4k@60Hz
 - vop: Support RGB display on Rockchip RK3066; Support 4096px width
 
 sti:
 - convert to struct drm_edid
 
 stm:
 - Avoid UAF wih managed plane and CRTC helpers
 - Fix module owner
 - Fix error handling in probe
 - Depend on COMMON_CLK
 - ltdc: Fix transparency after disabling plane; Remove unused interrupt
 
 tegra:
 - gr3d: improve PM domain handling
 - convert to struct drm_edid
 - Call drm_atomic_helper_shutdown()
 
 vc4:
 - fix PM during detect
 - replace DRM_ERROR() with drm_error()
 - v3d: simplify clock retrieval
 
 v3d:
 - Clean up perfmon
 
 virtio:
 - add DRM capset
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Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "This adds a couple of patches outside the drm core, all should be
  acked appropriately, the string and pstore ones are the main ones that
  come to mind.

  Otherwise it's the usual drivers, xe is getting enabled by default on
  some new hardware, we've changed the device number handling to allow
  more devices, and we added some optional rust code to create QR codes
  in the panic handler, an idea first suggested I think 10 years ago :-)

  string:
   - add mem_is_zero()

  core:
   - support more device numbers
   - use XArray for minor ids
   - add backlight constants
   - Split dma fence array creation into alloc and arm

  fbdev:
   - remove usage of old fbdev hooks

  kms:
   - Add might_fault() to drm_modeset_lock priming
   - Add dynamic per-crtc vblank configuration support

  dma-buf:
   - docs cleanup

  buddy:
   - Add start address support for trim function

  printk:
   - pass description to kmsg_dump

  scheduler:
   - Remove full_recover from drm_sched_start

  ttm:
   - Make LRU walk restartable after dropping locks
   - Allow direct reclaim to allocate local memory

  panic:
   - add display QR code (in rust)

  displayport:
   - mst: GUID improvements

  bridge:
   - Silence error message on -EPROBE_DEFER
   - analogix: Clean aup
   - bridge-connector: Fix double free
   - lt6505: Disable interrupt when powered off
   - tc358767: Make default DP port preemphasis configurable
   - lt9611uxc: require DRM_BRIDGE_ATTACH_NO_CONNECTOR
   - anx7625: simplify OF array handling
   - dw-hdmi: simplify clock handling
   - lontium-lt8912b: fix mode validation
   - nwl-dsi: fix mode vsync/hsync polarity

  xe:
   - Enable LunarLake and Battlemage support
   - Introducing Xe2 ccs modifiers for integrated and discrete graphics
   - rename xe perf to xe observation
   - use wb caching on DGFX for system memory
   - add fence timeouts
   - Lunar Lake graphics/media/display workarounds
   - Battlemage workarounds
   - Battlemage GSC support
   - GSC and HuC fw updates for LL/BM
   - use dma_fence_chain_free
   - refactor hw engine lookup and mmio access
   - enable priority mem read for Xe2
   - Add first GuC BMG fw
   - fix dma-resv lock
   - Fix DGFX display suspend/resume
   - Use xe_managed for kernel BOs
   - Use reserved copy engine for user binds on faulting devices
   - Allow mixing dma-fence jobs and long-running faulting jobs
   - fix media TLB invalidation
   - fix rpm in TTM swapout path
   - track resources and VF state by PF

  i915:
   - Type-C programming fix for MTL+
   - FBC cleanup
   - Calc vblank delay more accurately
   - On DP MST, Enable LT fallback for UHBR<->non-UHBR rates
   - Fix DP LTTPR detection
   - limit relocations to INT_MAX
   - fix long hangs in buddy allocator on DG2/A380

  amdgpu:
   - Per-queue reset support
   - SDMA devcoredump support
   - DCN 4.0.1 updates
   - GFX12/VCN4/JPEG4 updates
   - Convert vbios embedded EDID to drm_edid
   - GFX9.3/9.4 devcoredump support
   - process isolation framework for GFX 9.4.3/4
   - take IOMMU mappings into account for P2P DMA

  amdkfd:
   - CRIU fixes
   - HMM fix
   - Enable process isolation support for GFX 9.4.3/4
   - Allow users to target recommended SDMA engines
   - KFD support for targetting queues on recommended SDMA engines

  radeon:
   - remove .load and drm_dev_alloc
   - Fix vbios embedded EDID size handling
   - Convert vbios embedded EDID to drm_edid
   - Use GEM references instead of TTM
   - r100 cp init cleanup
   - Fix potential overflows in evergreen CS offset tracking

  msm:
   - DPU:
      - implement DP/PHY mapping on SC8180X
      - Enable writeback on SM8150, SC8180X, SM6125, SM6350
   - DP:
      - Enable widebus on all relevant chipsets
      - MSM8998 HDMI support
   - GPU:
      - A642L speedbin support
      - A615/A306/A621 support
      - A7xx devcoredump support

  ast:
   - astdp: Support AST2600 with VGA
   - Clean up HPD
   - Fix timeout loop for DP link training
   - reorganize output code by type (VGA, DP, etc)
   - convert to struct drm_edid
   - fix BMC handling for all outputs

  exynos:
   - drop stale MAINTAINERS pattern
   - constify struct

  loongson:
   - use GEM refcount over TTM

  mgag200:
   - Improve BMC handling
   - Support VBLANK intterupts
   - transparently support BMC outputs

  nouveau:
   - Refactor and clean up internals
   - Use GEM refcount over TTM's

  gm12u320:
   - convert to struct drm_edid

  gma500:
   - update i2c terms

  lcdif:
   - pixel clock fix

  host1x:
   - fix syncpoint IRQ during resume
   - use iommu_paging_domain_alloc()

  imx:
   - ipuv3: convert to struct drm_edid

  omapdrm:
   - improve error handling
   - use common helper for_each_endpoint_of_node()

  panel:
   - add support for BOE TV101WUM-LL2 plus DT bindings
   - novatek-nt35950: improve error handling
   - nv3051d: improve error handling
   - panel-edp:
      - add support for BOE NE140WUM-N6G
      - revert support for SDC ATNA45AF01
   - visionox-vtdr6130:
      - improve error handling
      - use devm_regulator_bulk_get_const()
   - boe-th101mb31ig002:
      - Support for starry-er88577 MIPI-DSI panel plus DT
      - Fix porch parameter
   - edp: Support AOU B116XTN02.3, AUO B116XAN06.1, AOU B116XAT04.1, BOE
     NV140WUM-N41, BOE NV133WUM-N63, BOE NV116WHM-A4D, CMN N116BCA-EA2,
     CMN N116BCP-EA2, CSW MNB601LS1-4
   - himax-hx8394: Support Microchip AC40T08A MIPI Display panel plus DT
   - ilitek-ili9806e: Support Densitron DMT028VGHMCMI-1D TFT plus DT
   - jd9365da:
      - Support Melfas lmfbx101117480 MIPI-DSI panel plus DT
      - Refactor for code sharing
   - panel-edp: fix name for HKC MB116AN01
   - jd9365da: fix "exit sleep" commands
   - jdi-fhd-r63452: simplify error handling with DSI multi-style
     helpers
   - mantix-mlaf057we51: simplify error handling with DSI multi-style
     helpers
   - simple:
      - support Innolux G070ACE-LH3 plus DT bindings
      - support On Tat Industrial Company KD50G21-40NT-A1 plus DT
        bindings
   - st7701:
      - decouple DSI and DRM code
      - add SPI support
      - support Anbernic RG28XX plus DT bindings

  mediatek:
   - support alpha blending
   - remove cl in struct cmdq_pkt
   - ovl adaptor fix
   - add power domain binding for mediatek DPI controller

  renesas:
   - rz-du: add support for RZ/G2UL plus DT bindings

  rockchip:
   - Improve DP sink-capability reporting
   - dw_hdmi: Support 4k@60Hz
   - vop:
      - Support RGB display on Rockchip RK3066
      - Support 4096px width

  sti:
   - convert to struct drm_edid

  stm:
   - Avoid UAF wih managed plane and CRTC helpers
   - Fix module owner
   - Fix error handling in probe
   - Depend on COMMON_CLK
   - ltdc:
      - Fix transparency after disabling plane
      - Remove unused interrupt

  tegra:
   - gr3d: improve PM domain handling
   - convert to struct drm_edid
   - Call drm_atomic_helper_shutdown()

  vc4:
   - fix PM during detect
   - replace DRM_ERROR() with drm_error()
   - v3d: simplify clock retrieval

  v3d:
   - Clean up perfmon

  virtio:
   - add DRM capset"

* tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel: (1326 commits)
  drm/xe: Fix missing conversion to xe_display_pm_runtime_resume
  drm/xe/xe2hpg: Add Wa_15016589081
  drm/xe: Don't keep stale pointer to bo->ggtt_node
  drm/xe: fix missing 'xe_vm_put'
  drm/xe: fix build warning with CONFIG_PM=n
  drm/xe: Suppress missing outer rpm protection warning
  drm/xe: prevent potential UAF in pf_provision_vf_ggtt()
  drm/amd/display: Add all planes on CRTC to state for overlay cursor
  drm/i915/bios: fix printk format width
  drm/i915/display: Fix BMG CCS modifiers
  drm/amdgpu: get rid of bogus includes of fdtable.h
  drm/amdkfd: CRIU fixes
  drm/amdgpu: fix a race in kfd_mem_export_dmabuf()
  drm: new helper: drm_gem_prime_handle_to_dmabuf()
  drm/amdgpu/atomfirmware: Silence UBSAN warning
  drm/amdgpu: Fix kdoc entry in 'amdgpu_vm_cpu_prepare'
  drm/amd/amdgpu: apply command submission parser for JPEG v1
  drm/amd/amdgpu: apply command submission parser for JPEG v2+
  drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3
  drm/amd/pm: update the features set on smu v14.0.2/3
  ...
 2024-09-19 10:18:15 +02:00
Linus Torvalds
176000734e ata changes for 6.12 
- Convert the qcom AHCI controller DT bindings to DT schema (from
    Rayyan)
 
  - Cleanup of libata core and drivers code handling controller and
    device quirks to rename "blacklist" to the more neutral "quirk" and
    to replace the rarely used "horkage" term with the more common
    "quirk" naming (from me)
 
  - Add libata-core message to print the quirks applied to a controller
    or device (from me)
 
  - Remove the not-so-useful function ata_noop_qc_prep() from libata core
    (from me)
 
  - ahci_imx driver cleanup, improvements and DT bindings compatible
    strings update (from Richard and Dan)
 
  - libahci_platform improvements (from Zhang)
 
  - Remove obsolete functions declarations from libata header files (from
    Gaosheng)
 
  - Improve teh ahci_brcm driver using managed device resources funetions
    (from Zhang)
 
  - Introduce new helper function to improve libata EH code readability
    (from Niklas)
 
  - Enable module autoloading for the pata_ftide010, pata_ixp4xx and
    sata_gemini drivers (from Liao)
 
  - Move SATA related functions and data declaraions from libata-core to
    libata-sata (from me)
 
  - Rename the function handling the sense data for successful NCQ
    commands log to better reflect that function actions (from me)
 
  - Reduce libata memory usage by moving port resources to struct
    ata_device and by optimizing the management of resources for CDL
    capable devices (from me)
 
  - Improve libata-eh handling of failed ATA passthrough commands (from
    Niklas)
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Merge tag 'ata-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata updates from Damien Le Moal:

 - Convert the qcom AHCI controller DT bindings to DT schema (from
   Rayyan)

 - Cleanup of libata core and drivers code handling controller and
   device quirks to rename "blacklist" to the more neutral "quirk" and
   to replace the rarely used "horkage" term with the more common
   "quirk" naming (me)

 - Add libata-core message to print the quirks applied to a controller
   or device (me)

 - Remove the not-so-useful function ata_noop_qc_prep() from libata core
   (me)

 - ahci_imx driver cleanup, improvements and DT bindings compatible
   strings update (Richard and Dan)

 - libahci_platform improvements (Zhang)

 - Remove obsolete functions declarations from libata header files (from
   Gaosheng)

 - Improve teh ahci_brcm driver using managed device resources funetions
   (Zhang)

 - Introduce new helper function to improve libata EH code readability
   (Niklas)

 - Enable module autoloading for the pata_ftide010, pata_ixp4xx and
   sata_gemini drivers (Liao)

 - Move SATA related functions and data declaraions from libata-core to
   libata-sata (me)

 - Rename the function handling the sense data for successful NCQ
   commands log to better reflect that function actions (me)

 - Reduce libata memory usage by moving port resources to struct
   ata_device and by optimizing the management of resources for CDL
   capable devices (me)

 - Improve libata-eh handling of failed ATA passthrough commands
   (Niklas)

* tag 'ata-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux: (39 commits)
  ata: libata: Clear DID_TIME_OUT for ATA PT commands with sense data
  ata: libata: Fix W=1 compilation warning
  ata: libata: Improve CDL resource management
  ata: libata: Introduce ata_dev_free_resources
  ata: libata: Move sector_buf from struct ata_port to struct ata_device
  ata: libata: Rename ata_eh_read_sense_success_ncq_log()
  ata: libata: Move sata_std_hardreset() definition to libata-sata.c
  ata: libata: Move sata_down_spd_limit() to libata-sata.c
  ata: libata: Improve __ata_qc_complete()
  ata: libata-scsi: Improve ata_scsi_handle_link_detach()
  ata: libata: Cleanup libata-transport
  ata: sata_gemini: Enable module autoloading
  ata: pata_ixp4xx: Enable module autoloading
  ata: pata_ftide010: Enable module autoloading
  ata: libata: Add helper ata_eh_decide_disposition()
  ata: ahci_brcm: Use devm_platform_ioremap_resource_byname() helper function
  ata: libata: Remove obsolete function declarations
  ata: ahci_imx: Fix error code in probe()
  ata: libahci_platform: Simplify code with for_each_child_of_node_scoped()
  ata: ahci_imx: Correct the email address
  ...
 2024-09-19 09:49:10 +02:00
Linus Torvalds
a65b3c3ed4 hid-for-linus-2024091602 
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Merge tag 'hid-for-linus-2024091602' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - New HID over SPI driver for Goodix devices that don't follow
   Microsoft's HID-over-SPI specification, so a separate driver is
   needed. Currently supported device is GT7986U touchscreen (Charles
   Wang)

 - support for new hardware features in Wacom driver (high-res wheel
   scrolling, touchstrings with relative motions, support for two
   touchrings) (Jason Gerecke)

 - support for customized vendor firmware loading in intel-ish driver
   (Zhang Lixu)

 - fix for theoretical race condition in i2c-hid (Dmitry Torokhov)

 - support for HIDIOCREVOKE -- evdev's EVIOCREVOKE equivalent in hidraw
   (Peter Hutterer)

 - initial hidraw selftest implementation (Benjamin Tissoires)

 - constification of device-specific report descriptors (Thomas
   Weißschuh)

 - other small assorted fixes and device ID / quirk additions

* tag 'hid-for-linus-2024091602' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (54 commits)
  hid: cp2112: Use irq_get_trigger_type() helper
  HID: i2c-hid: ensure various commands do not interfere with each other
  HID: multitouch: Add support for Thinkpad X12 Gen 2 Kbd Portfolio
  HID: wacom: Do not warn about dropped packets for first packet
  HID: wacom: Support sequence numbers smaller than 16-bit
  HID: lg: constify fixed up report descriptor
  HID: uclogic: constify fixed up report descriptor
  HID: waltop: constify fixed up report descriptor
  HID: sony: constify fixed up report descriptor
  HID: pxrc: constify fixed up report descriptor
  HID: steelseries: constify fixed up report descriptor
  HID: viewsonic: constify fixed up report descriptor
  HID: vrc2: constify fixed up report descriptor
  HID: xiaomi: constify fixed up report descriptor
  HID: maltron: constify fixed up report descriptor
  HID: keytouch: constify fixed up report descriptor
  HID: holtek-kbd: constify fixed up report descriptor
  HID: dr: constify fixed up report descriptor
  HID: bigbenff: constify fixed up report descriptor
  HID: picoLCD: Use backlight power constants
  ...
 2024-09-19 09:42:21 +02:00
Linus Torvalds
d5e65d1fb7 Hi, 
Just updates and fixes, no major changes.
 
 I might send a PR during the release cycle addressing a performance issue in the
 bus encryption:
 
 1. https://bugzilla.kernel.org/show_bug.cgi?id=219229
 2. https://lore.kernel.org/linux-integrity/20240917154444.702370-1-jarkko@kernel.org/
 
 The first version of the patch set cut out already five seconds and I
 expect similar figures from the current version but I really need some
 more feedback. However, this week is not exactly optimal for getting
 it, given the Vienna conference.
 
 BR, Jarkko
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Merge tag 'tpmdd-next-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:
 "Just updates and fixes, no major changes"

* tag 'tpmdd-next-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm: export tpm2_sessions_init() to fix ibmvtpm building
  tpm: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  selftests: tpm2: test_smoke: Run only when TPM2 is avaialable.
  MAINTAINERS: Add selftest files to TPM section
  tpm: Clean up TPM space after command failure
 2024-09-19 09:38:34 +02:00
Linus Torvalds
18aa0ddd4c Some minor fixes and cleanups for IPMI. Nothing big. 
Handle a bogus BMC a little better, fix autoload on some systems,
 remove some deprecated interfaces from the docs.
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Merge tag 'for-linus-6.12-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Some minor fixes and cleanups for IPMI. Nothing big.

  Handle a bogus BMC a little better, fix autoload on some systems,
  remove some deprecated interfaces from the docs"

* tag 'for-linus-6.12-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: docs: don't advertise deprecated sysfs entries
  ipmi:ssif: Improve detecting during probing
  ipmi: ipmi_ssif: fix module autoloading
 2024-09-19 09:33:44 +02:00
Linus Torvalds
84bbfe6b64 platform-drivers-x86 for v6.12-1 
Highlights:
  -  asus-wmi: Add support for vivobook fan profiles
  -  dell-laptop: Add knobs to change battery charge settings
  -  lg-laptop: Add operation region support
  -  intel-uncore-freq: Add support for efficiency latency control
  -  intel/ifs: Add SBAF test support
  -  intel/pmc: Ignore all LTRs during suspend
  -  platform/surface: Support for arm64 based Surface devices
  -  wmi: Pass event data directly to legacy notify handlers
  -  x86/platform/geode: switch GPIO buttons and LEDs to software properties
  -  bunch of small cleanups, fixes, hw-id additions, etc.
 
 The following is an automated git shortlog grouped by driver:
 
 Documentation:
  -  admin-guide: pm: Add efficiency vs. latency tradeoff to uncore documentation
 
 ISST:
  -  Simplify isst_misc_reg() and isst_misc_unreg()
 
 MAINTAINERS:
  -  adjust file entry in INTEL MID PLATFORM
  -  Add Intel MID section
 
 Merge tag 'hwmon-for-v6.11-rc7' into review-hans:
  - Merge tag 'hwmon-for-v6.11-rc7' into review-hans
 
 Merge tag 'platform-drivers-x86-v6.11-3' into review-hans:
  - Merge tag 'platform-drivers-x86-v6.11-3' into review-hans
 
 acer-wmi:
  -  Use backlight power constants
 
 asus-laptop:
  -  Use backlight power constants
 
 asus-nb-wmi:
  -  Use backlight power constants
 
 asus-wmi:
  -  don't fail if platform_profile already registered
  -  add debug print in more key places
  -  Use backlight power constants
  -  add support for vivobook fan profiles
 
 dell-laptop:
  -  remove duplicate code w/ battery function
  -  Add knobs to change battery charge settings
 
 dt-bindings:
  -  platform: Add Surface System Aggregator Module
  -  serial: Allow embedded-controller as child node
 
 eeepc-laptop:
  -  Use backlight power constants
 
 eeepc-wmi:
  -  Use backlight power constants
 
 fujitsu-laptop:
  -  Use backlight power constants
 
 hid-asus:
  -  use hid for brightness control on keyboard
 
 ideapad-laptop:
  -  Make the scope_guard() clear of its scope
  -  move ACPI helpers from header to source file
  -  Use backlight power constants
 
 int3472:
  -  Use str_high_low()
  -  Use GPIO_LOOKUP() macro
  -  make common part a separate module
 
 intel-hid:
  -  Use string_choices API instead of ternary operator
 
 intel/pmc:
  -  Ignore all LTRs during suspend
  -  Remove unused param idx from pmc_for_each_mode()
 
 intel_scu_ipc:
  -  Move intel_scu_ipc.h out of arch/x86/include/asm
 
 intel_scu_wdt:
  -  Move intel_scu_wdt.h to x86 subfolder
 
 lenovo-ymc:
  -  Ignore the 0x0 state
 
 lg-laptop:
  -  Add operation region support
 
 oaktrail:
  -  Use backlight power constants
 
 panasonic-laptop:
  -  Add support for programmable buttons
 
 platform/mellanox:
  -  mlxbf-pmc: fix lockdep warning
 
 platform/olpc:
  -  Remove redundant null pointer checks in olpc_ec_setup_debugfs()
 
 platform/surface:
  -  Add OF support
 
 platform/x86/amd:
  -  pmf: Add quirk for TUF Gaming A14
 
 platform/x86/amd/pmf:
  -  Update SMU metrics table for 1AH family series
  -  Relocate CPU ID macros to the PMF header
  -  Add support for notifying Smart PC Solution updates
 
 platform/x86/intel-uncore-freq:
  -  Add efficiency latency control to sysfs interface
  -  Add support for efficiency latency control
  -  Do not present separate package-die domain
 
 platform/x86/intel/ifs:
  -  Fix SBAF title underline length
  -  Add SBAF test support
  -  Add SBAF test image loading support
  -  Refactor MSR usage in IFS test code
 
 platform/x86/intel/pmc:
  -  Show live substate requirements
 
 platform/x86/intel/pmt:
  -  Use PMT callbacks
 
 platform/x86/intel/vsec:
  -  Add PMT read callbacks
 
 platform/x86/intel/vsec.h:
  -  Move to include/linux
 
 samsung-laptop:
  -  Use backlight power constants
 
 serial-multi-instantiate:
  -  Don't require both I2C and SPI
 
 thinkpad_acpi:
  -  Fix uninitialized symbol 's' warning
  -  Add Thinkpad Edge E531 fan support
 
 touchscreen_dmi:
  -  add nanote-next quirk
 
 trace:
  -  platform/x86/intel/ifs: Add SBAF trace support
 
 wmi:
  -  Call both legacy and WMI driver notify handlers
  -  Merge get_event_data() with wmi_get_notify_data()
  -  Remove wmi_get_event_data()
  -  Pass event data directly to legacy notify handlers
 
 x86-android-tablets:
  -  Adjust Xiaomi Pad 2 bottom bezel touch buttons LED
  -  Fix spelling in the comments
 
 x86/platform/geode:
  -  switch GPIO buttons and LEDs to software properties
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Merge tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform drivers updates from Hans de Goede:

 - asus-wmi: Add support for vivobook fan profiles

 - dell-laptop: Add knobs to change battery charge settings

 - lg-laptop: Add operation region support

 - intel-uncore-freq: Add support for efficiency latency control

 - intel/ifs: Add SBAF test support

 - intel/pmc: Ignore all LTRs during suspend

 - platform/surface: Support for arm64 based Surface devices

 - wmi: Pass event data directly to legacy notify handlers

 - x86/platform/geode: switch GPIO buttons and LEDs to software
   properties

 - bunch of small cleanups, fixes, hw-id additions, etc.

* tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
  MAINTAINERS: adjust file entry in INTEL MID PLATFORM
  platform/x86: x86-android-tablets: Adjust Xiaomi Pad 2 bottom bezel touch buttons LED
  platform/mellanox: mlxbf-pmc: fix lockdep warning
  platform/x86/amd: pmf: Add quirk for TUF Gaming A14
  platform/x86: touchscreen_dmi: add nanote-next quirk
  platform/x86: asus-wmi: don't fail if platform_profile already registered
  platform/x86: asus-wmi: add debug print in more key places
  platform/x86: intel_scu_wdt: Move intel_scu_wdt.h to x86 subfolder
  platform/x86: intel_scu_ipc: Move intel_scu_ipc.h out of arch/x86/include/asm
  MAINTAINERS: Add Intel MID section
  platform/x86: panasonic-laptop: Add support for programmable buttons
  platform/olpc: Remove redundant null pointer checks in olpc_ec_setup_debugfs()
  platform/x86: intel/pmc: Ignore all LTRs during suspend
  platform/x86: wmi: Call both legacy and WMI driver notify handlers
  platform/x86: wmi: Merge get_event_data() with wmi_get_notify_data()
  platform/x86: wmi: Remove wmi_get_event_data()
  platform/x86: wmi: Pass event data directly to legacy notify handlers
  platform/x86: thinkpad_acpi: Fix uninitialized symbol 's' warning
  platform/x86: x86-android-tablets: Fix spelling in the comments
  platform/x86: ideapad-laptop: Make the scope_guard() clear of its scope
  ...
 2024-09-19 09:16:04 +02:00
Linus Torvalds
2a17bb8c20 Devicetree updates for v6.12: 
DT Bindings:
 - Drop duplicate devices in trivial-devices.yaml
 
 - Add a common serial peripheral device schema and reference it in
   serial device schemas.
 
 - Convert nxp,lpc1850-wdt, zii,rave-wdt, ti,davinci-wdt,
   snps,archs-pct, fsl,bcsr, fsl,fpga-qixis-i2c, fsl,fpga-qixis,
   fsl,cpm-enet, fsl,cpm-mdio, fsl,ucc-hdlc, maxim,ds26522,
   aspeed,ast2400-cvic, aspeed,ast2400-vic, fsl,ftm-timer,
   ti,davinci-timer, fsl,rcpm, and qcom,ebi2 to DT schema
 
 - Add support for rockchip,rk3576-wdt, qcom,apss-wdt-sa8255p,
   fsl,imx8qm-irqsteer, qcom,pm6150-vib, qcom,sa8255p-pdc, isil,isl69260,
   ti,tps546d24, and lpc32xx DMA mux
 
 - Drop duplicate nvidia,tegra186-ccplex-cluster.yaml and
   mediatek,mt6795-sys-clock.yaml
 
 - Add arm,gic ESPI and EPPI interrupt type specifiers
 
 - Add another batch of legacy compatible strings which we have no
   intention of documenting
 
 - Add dmas/dma-names properties to FSL lcdif
 
 - Fix wakeup-source reference to m8921-keypad.yaml
 
 - Treewide fixes of typos in bindings
 
 DT Core:
 - Update dtc/libfdt to upstream version v1.7.0-95-gbcd02b523429
 
 - More conversions to scoped iterators and __free() initializer
 
 - Handle overflows in address resources on 32-bit systems
 
 - Extend extracting compatible strings in sources from function
   parameters
 
 - Use of_property_present() in DT unittest
 
 - Clean-up of_irq_to_resource() to use helpers
 
 - Support #msi-cells=<0> in of_msi_get_domain()
 
 - Improve the kerneldoc for of_property_match_string()
 
 - kselftest: Ignore nodes that have ancestors disabled
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Merge tag 'devicetree-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT Bindings:

   - Drop duplicate devices in trivial-devices.yaml

   - Add a common serial peripheral device schema and reference it in
     serial device schemas.

   - Convert nxp,lpc1850-wdt, zii,rave-wdt, ti,davinci-wdt,
     snps,archs-pct, fsl,bcsr, fsl,fpga-qixis-i2c, fsl,fpga-qixis,
     fsl,cpm-enet, fsl,cpm-mdio, fsl,ucc-hdlc, maxim,ds26522,
     aspeed,ast2400-cvic, aspeed,ast2400-vic, fsl,ftm-timer,
     ti,davinci-timer, fsl,rcpm, and qcom,ebi2 to DT schema

   - Add support for rockchip,rk3576-wdt, qcom,apss-wdt-sa8255p,
     fsl,imx8qm-irqsteer, qcom,pm6150-vib, qcom,sa8255p-pdc,
     isil,isl69260, ti,tps546d24, and lpc32xx DMA mux

   - Drop duplicate nvidia,tegra186-ccplex-cluster.yaml and
     mediatek,mt6795-sys-clock.yaml

   - Add arm,gic ESPI and EPPI interrupt type specifiers

   - Add another batch of legacy compatible strings which we have no
     intention of documenting

   - Add dmas/dma-names properties to FSL lcdif

   - Fix wakeup-source reference to m8921-keypad.yaml

   - Treewide fixes of typos in bindings

  DT Core:

   - Update dtc/libfdt to upstream version v1.7.0-95-gbcd02b523429

   - More conversions to scoped iterators and __free() initializer

   - Handle overflows in address resources on 32-bit systems

   - Extend extracting compatible strings in sources from function
     parameters

   - Use of_property_present() in DT unittest

   - Clean-up of_irq_to_resource() to use helpers

   - Support #msi-cells=<0> in of_msi_get_domain()

   - Improve the kerneldoc for of_property_match_string()

   - kselftest: Ignore nodes that have ancestors disabled"

* tag 'devicetree-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (59 commits)
  dt-bindings: watchdog: Add rockchip,rk3576-wdt compatible
  dt-bindings: cpu: Drop duplicate nvidia,tegra186-ccplex-cluster.yaml
  dt-bindings: clock: mediatek: Drop duplicate mediatek,mt6795-sys-clock.yaml
  of/irq: Use helper to define resources
  of/irq: Make use of irq_get_trigger_type()
  dt-bindings: clk: vc5: Make SD/OE pin configuration properties not required
  drivers/of: Improve documentation for match_string
  of: property: Do some clean up with use of __free()
  dt-bindings: watchdog: qcom-wdt: document support on SA8255p
  dt-bindings: interrupt-controller: fsl,irqsteer: Document fsl,imx8qm-irqsteer
  dt-bindings: interrupt-controller: arm,gic: add ESPI and EPPI specifiers
  dt-bindings: dma: Add lpc32xx DMA mux binding
  dt-bindings: trivial-devices: Drop duplicate "maxim,max1237"
  dt-bindings: trivial-devices: Drop duplicate LM75 compatible devices
  dt-bindings: trivial-devices: Deprecate "ad,ad7414"
  dt-bindings: trivial-devices: Drop incorrect and duplicate at24 compatibles
  dt-bindings: wakeup-source: update reference to m8921-keypad.yaml
  dt-bindings: interrupt-controller: qcom-pdc: document support for SA8255p
  dt-bindings: Fix various typos
  of: address: Unify resource bounds overflow checking
  ...
 2024-09-19 08:38:51 +02:00
Linus Torvalds
19a519ca87 xen: branch for v6.12-rc1 
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Merge tag 'for-linus-6.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - fix a boot problem as a Xen dom0 on some AMD systems

 - fix Xen PVH boot problems with KASAN enabled

 - fix for a build warning

 - fixes to swiotlb-xen

* tag 'for-linus-6.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/swiotlb: fix allocated size
  xen/swiotlb: add alignment check for dma buffers
  xen/pci: Avoid -Wflex-array-member-not-at-end warning
  xen/xenbus: Convert to use ERR_CAST()
  xen, pvh: fix unbootable VMs by inlining memset() in xen_prepare_pvh()
  x86/cpu: fix unbootable VMs by inlining memcmp() in hypervisor_cpuid_base()
  xen, pvh: fix unbootable VMs (PVH + KASAN - AMD_MEM_ENCRYPT)
  xen: tolerate ACPI NVS memory overlapping with Xen allocated memory
  xen: allow mapping ACPI data using a different physical address
  xen: add capability to remap non-RAM pages to different PFNs
  xen: move max_pfn in xen_memory_setup() out of function scope
  xen: move checks for e820 conflicts further up
  xen: introduce generic helper checking for memory map conflicts
  xen: use correct end address of kernel for conflict checking
 2024-09-19 08:20:31 +02:00
Linus Torvalds
1d7bb2bf7a hyperv-next for v6.12 
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Merge tag 'hyperv-next-signed-20240916' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull Hyper-V updates from Wei Liu:

 - Optimize boot time by concurrent execution of hv_synic_init()
   (Saurabh Sengar)

 - Use helpers to read control registers in hv_snp_boot_ap() (Yosry
   Ahmed)

 - Add memory allocation check in hv_fcopy_start (Zhu Jun)

* tag 'hyperv-next-signed-20240916' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  tools/hv: Add memory allocation check in hv_fcopy_start
  x86/hyperv: use helpers to read control registers in hv_snp_boot_ap()
  Drivers: hv: vmbus: Optimize boot time by concurrent execution of hv_synic_init()
 2024-09-19 08:15:30 +02:00
Linus Torvalds
3a7101e9b2 powerpc updates for 6.12 
- Reduce alignment constraints on STRICT_KERNEL_RWX and speed-up TLB misses on
    8xx and 603.
 
  - Replace kretprobe code with rethook and enable fprobe.
 
  - Remove the "fast endian switch" syscall.
 
  - Handle DLPAR device tree updates in kernel, allowing the deprecation of the
    binary /proc/powerpc/ofdt interface.
 
 Thanks to: Abhishek Dubey, Alex Shi, Benjamin Gray, Christophe Leroy, Gaosheng
 Cui, Gautam Menghani, Geert Uytterhoeven, Haren Myneni, Hari Bathini, Huang
 Xiaojia, Jinjie Ruan, Madhavan Srinivasan, Miguel Ojeda, Mina Almasry, Narayana
 Murty N, Naveen Rao, Rob Herring (Arm), Scott Cheloha, Segher Boessenkool,
 Stephen Rothwell, Thomas Zimmermann, Uwe Kleine-König, Vaibhav Jain, Zhang
 Zekun.
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Merge tag 'powerpc-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Reduce alignment constraints on STRICT_KERNEL_RWX and speed-up TLB
   misses on 8xx and 603

 - Replace kretprobe code with rethook and enable fprobe

 - Remove the "fast endian switch" syscall

 - Handle DLPAR device tree updates in kernel, allowing the deprecation
   of the binary /proc/powerpc/ofdt interface

Thanks to Abhishek Dubey, Alex Shi, Benjamin Gray, Christophe Leroy,
Gaosheng Cui, Gautam Menghani, Geert Uytterhoeven, Haren Myneni, Hari
Bathini, Huang Xiaojia, Jinjie Ruan, Madhavan Srinivasan, Miguel Ojeda,
Mina Almasry, Narayana Murty N, Naveen Rao, Rob Herring (Arm), Scott
Cheloha, Segher Boessenkool, Stephen Rothwell, Thomas Zimmermann, Uwe
Kleine-König, Vaibhav Jain, and Zhang Zekun.

* tag 'powerpc-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (59 commits)
  powerpc/atomic: Use YZ constraints for DS-form instructions
  MAINTAINERS: powerpc: Add Maddy
  powerpc: Switch back to struct platform_driver::remove()
  powerpc/pseries/eeh: Fix pseries_eeh_err_inject
  selftests/powerpc: Allow building without static libc
  macintosh/via-pmu: register_pmu_pm_ops() can be __init
  powerpc: Stop using no_llseek
  powerpc/64s: Remove the "fast endian switch" syscall
  powerpc/mm/64s: Restrict THP to Radix or HPT w/64K pages
  powerpc/mm/64s: Move THP reqs into a separate symbol
  powerpc/64s: Make mmu_hash_ops __ro_after_init
  powerpc: Replace kretprobe code with rethook on powerpc
  powerpc: pseries: Constify struct kobj_type
  powerpc: powernv: Constify struct kobj_type
  powerpc: Constify struct kobj_type
  powerpc/pseries/dlpar: Add device tree nodes for DLPAR IO add
  powerpc/pseries/dlpar: Remove device tree node for DLPAR IO remove
  powerpc/pseries: Use correct data types from pseries_hp_errorlog struct
  powerpc/vdso: Inconditionally use CFUNC macro
  powerpc/32: Implement validation of emergency stack
  ...
 2024-09-19 08:03:00 +02:00
Linus Torvalds
54450af662 parisc architecture fixes and updates for kernel v6.12-rc1: 
- Convert parisc to the generic clockevents framework
 - Fix syscall and mm for 64-bit userspace
 - Fix stack start when ADDR_NO_RANDOMIZE personality is set
 - Fix mmap(MAP_STACK) to map upward growing expandable memory on parisc
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Merge tag 'parisc-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture updates from Helge Deller:

 - On parisc we now use the generic clockevent framework for timekeeping

 - Although there is no 64-bit glibc/userspace for parisc yet, for
   testing purposes one can run statically linked 64-bit binaries. This
   patchset contains two patches which fix 64-bit userspace which has
   been broken since kernel 4.19

 - Fix the userspace stack position and size when the ADDR_NO_RANDOMIZE
   personality is enabled

 - On other architectures mmap(MAP_GROWSDOWN | MAP_STACK) creates a
   downward-growing stack. On parisc mmap(MAP_STACK) is now sufficient
   to create an upward-growing stack

* tag 'parisc-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Allow mmap(MAP_STACK) memory to automatically expand upwards
  parisc: Use PRIV_USER instead of hardcoded value
  parisc: Fix itlb miss handler for 64-bit programs
  parisc: Fix 64-bit userspace syscall path
  parisc: Fix stack start for ADDR_NO_RANDOMIZE personality
  parisc: Convert to generic clockevents
  parisc: pdc_stable: Constify struct kobj_type
 2024-09-19 07:43:13 +02:00
Linus Torvalds
932d2d1fcb dlm for 6.12 
- Remove some unnecesary hold/unhold rsb refcounting
   in cases where an existing refcount is known to exist.
 - Remove some unnecessary checking for zero nodeids, which
   should never exist, and add some warning if they do.
 - Make the slow freeing of structs in release_lockspace()
   async, run from a workqueue.
 - Prior rcu freeing allows some further struct lookups to
   run without a lock.
 - Use blocking kernel_connect on sockets to avoid EINPROGRESS.
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Merge tag 'dlm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:

 - Remove some unnecesary hold/unhold rsb refcounting in cases where an
   existing refcount is known to exist

 - Remove some unnecessary checking for zero nodeids, which should never
   exist, and add some warning if they do

 - Make the slow freeing of structs in release_lockspace() async, run
   from a workqueue

 - Prior rcu freeing allows some further struct lookups to run without a
   lock

 - Use blocking kernel_connect on sockets to avoid EINPROGRESS

* tag 'dlm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: add missing -ENOMEM if alloc_workqueue() fails
  dlm: do synchronized socket connect call
  dlm: move lkb xarray lookup out of lock
  dlm: move dlm_search_rsb_tree() out of lock
  dlm: use RSB_HASHED to avoid lookup twice
  dlm: async freeing of lockspace resources
  dlm: drop kobject release callback handling
  dlm: warn about invalid nodeid comparsions
  dlm: never return invalid nodeid by dlm_our_nodeid()
  dlm: remove unnecessary refcounts
  dlm: cleanup memory allocation helpers
 2024-09-19 07:09:39 +02:00
Linus Torvalds
8751b21ad9 New code for 6.12: 
* Introduce new ioctls to exchange contents of two files.
     The first ioctl does the preparation work to exchange the contents of two
     files while the second ioctl performs the actual exchange if the target
     file has not been changed since a given sampling point.
 
   * Fixes
     - Fix bugs associated with calculating the maximum range of realtime
       extents to scan for free space.
     - Copy keys instead of records when resizing the incore BMBT root block.
     - Do not report FITRIMming more bytes than possibly exist in the
       filesystem.
     - Modify xfs_fs.h to prevent C++ compilation errors.
     - Do not over eagerly free post-EOF speculative preallocation.
     - Ensure st_blocks never goes to zero during COW writes
 
   * Cleanups/refactors
     - Use Xarray to hold per-AG data instead of a Radix tree.
     - Cleanup the following functionality,
       - Realtime bitmap.
       - Inode allocator.
       - Quota.
       - Inode rooted btree code.
 
 Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.12-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Chandan Babu:
 "New code:

   - Introduce new ioctls to exchange contents of two files.

     The first ioctl does the preparation work to exchange the contents
     of two files while the second ioctl performs the actual exchange if
     the target file has not been changed since a given sampling point.

  Fixes:

   - Fix bugs associated with calculating the maximum range of realtime
     extents to scan for free space.

   - Copy keys instead of records when resizing the incore BMBT root
     block.

   - Do not report FITRIMming more bytes than possibly exist in the
     filesystem.

   - Modify xfs_fs.h to prevent C++ compilation errors.

   - Do not over eagerly free post-EOF speculative preallocation.

   - Ensure st_blocks never goes to zero during COW writes

  Cleanups/refactors:

   - Use Xarray to hold per-AG data instead of a Radix tree.

   - Cleanups to:
      - realtime bitmap
      - inode allocator
      - quota
      - inode rooted btree code"

* tag 'xfs-6.12-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (61 commits)
  xfs: ensure st_blocks never goes to zero during COW writes
  xfs: use xas_for_each_marked in xfs_reclaim_inodes_count
  xfs: convert perag lookup to xarray
  xfs: simplify tagged perag iteration
  xfs: move the tagged perag lookup helpers to xfs_icache.c
  xfs: use kfree_rcu_mightsleep to free the perag structures
  xfs: use LIST_HEAD() to simplify code
  xfs: Remove duplicate xfs_trans_priv.h header
  xfs: remove unnecessary check
  xfs: Use xfs set and clear mp state helpers
  xfs: reclaim speculative preallocations for append only files
  xfs: simplify extent lookup in xfs_can_free_eofblocks
  xfs: check XFS_EOFBLOCKS_RELEASED earlier in xfs_release_eofblocks
  xfs: only free posteof blocks on first close
  xfs: don't free post-EOF blocks on read close
  xfs: skip all of xfs_file_release when shut down
  xfs: don't bother returning errors from xfs_file_release
  xfs: refactor f_op->release handling
  xfs: remove the i_mode check in xfs_release
  xfs: standardize the btree maxrecs function parameters
  ...
 2024-09-19 07:03:55 +02:00
Linus Torvalds
4e0373f1f9 24 smb3 client fixes, about half cleanup, and SMB3.1.1 compression improvements, and also fixes for special file types with sfu mount option 
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Merge tag 'v6.12-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - cleanups (moving duplicated code, removing unused code etc)

 - fixes relating to "sfu" mount options (for better handling special
   file types)

 - SMB3.1.1 compression fixes/improvements

* tag 'v6.12-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
  smb: client: fix compression heuristic functions
  cifs: Update SFU comments about fifos and sockets
  cifs: Add support for creating SFU symlinks
  smb: use LIST_HEAD() to simplify code
  cifs: Recognize SFU socket type
  cifs: Show debug message when SFU Fifo type was detected
  cifs: Put explicit zero byte into SFU block/char types
  cifs: Add support for reading SFU symlink location
  cifs: Fix recognizing SFU symlinks
  smb: client: compress: fix an "illegal accesses" issue
  smb: client: compress: fix a potential issue of freeing an invalid pointer
  smb: client: compress: LZ77 code improvements cleanup
  smb: client: insert compression check/call on write requests
  smb3: mark compression as CONFIG_EXPERIMENTAL and fix missing compression operation
  cifs: Remove obsoleted declaration for cifs_dir_open
  smb: client: Use min() macro
  cifs: convert to use ERR_CAST()
  smb: add comment to STATUS_MCA_OCCURED
  smb: move SMB2 Status code to common header file
  smb: move some duplicate definitions to common/smbacl.h
  ...
 2024-09-19 06:53:40 +02:00
Linus Torvalds
39898f0925 Four ksmbd server fixes, three for stable 
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Merge tag '6.12-rc-ksmbd-server-fixes-part1' of git://git.samba.org/ksmbd

Pull smb server updates from Steve French:
 "Four ksmbd server fixes, three for stable:

   - Fix an issue where the directory can't be deleted if the share is
     on a file system that does not provide dot and dotdot entries

   - Fix file creation failure if the parent name of pathname is case
     sensitive

   - Fix write failure with FILE_APPEND_DATA flags

   - Add reference count to connection struct to protect UAF of oplocks
     on multichannel"

* tag '6.12-rc-ksmbd-server-fixes-part1' of git://git.samba.org/ksmbd:
  ksmbd: handle caseless file creation
  ksmbd: make __dir_empty() compatible with POSIX
  ksmbd: add refcnt to ksmbd_conn struct
  ksmbd: allow write with FILE_APPEND_DATA
 2024-09-19 06:48:28 +02:00
Linus Torvalds
cc3804443b A few fixes for jfs 
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Merge tag 'jfs-6.12' of github.com:kleikamp/linux-shaggy

Pull jfs updates from David Kleikamp:
 "A few fixes for jfs"

* tag 'jfs-6.12' of github.com:kleikamp/linux-shaggy:
  jfs: Fix uninit-value access of new_ea in ea_buffer
  jfs: check if leafidx greater than num leaves per dmap tree
  jfs: Fix uaf in dbFreeBits
  jfs: fix out-of-bounds in dbNextAG() and diAlloc()
  jfs: UBSAN: shift-out-of-bounds in dbFindBits
 2024-09-19 06:38:43 +02:00
Linus Torvalds
45d986d113 overlayfs updates for 6.12 
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Merge tag 'ovl-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs

Pull overlayfs updates from Amir Goldstein:

 - Increase robustness of overlayfs to crashes in the case of underlying
   filesystems that to not guarantee metadata ordering to persistent
   storage (problem was reported with ubifs).

 - Deny mount inside container with features that require root
   privileges to work properly, instead of failing operations later.

 - Some clarifications to overlayfs documentation.

* tag 'ovl-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
  ovl: fail if trusted xattrs are needed but caller lacks permission
  overlayfs.rst: update metacopy section in overlayfs documentation
  ovl: fsync after metadata copy-up
  ovl: don't set the superblock's errseq_t manually
 2024-09-19 06:33:18 +02:00
Detlev Casanova
0c36680c0e dt-bindings: watchdog: Add rockchip,rk3576-wdt compatible 
It is compatible with the other rockchip SoCs.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240903152308.13565-7-detlev.casanova@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
 2024-09-18 15:38:24 -05:00
Linus Torvalds
4a39ac5b7d Random number generator updates for Linux 6.12-rc1. 
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Merge tag 'random-6.12-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator updates from Jason Donenfeld:
 "Originally I'd planned on sending each of the vDSO getrandom()
  architecture ports to their respective arch trees. But as we started
  to work on this, we found lots of interesting issues in the shared
  code and infrastructure, the fixes for which the various archs needed
  to base their work.

  So in the end, this turned into a nice collaborative effort fixing up
  issues and porting to 5 new architectures -- arm64, powerpc64,
  powerpc32, s390x, and loongarch64 -- with everybody pitching in and
  commenting on each other's code. It was a fun development cycle.

  This contains:

   - Numerous fixups to the vDSO selftest infrastructure, getting it
     running successfully on more platforms, and fixing bugs in it.

   - Additions to the vDSO getrandom & chacha selftests. Basically every
     time manual review unearthed a bug in a revision of an arch patch,
     or an ambiguity, the tests were augmented.

     By the time the last arch was submitted for review, s390x, v1 of
     the series was essentially fine right out of the gate.

   - Fixes to the the generic C implementation of vDSO getrandom, to
     build and run successfully on all archs, decoupling it from
     assumptions we had (unintentionally) made on x86_64 that didn't
     carry through to the other architectures.

   - Port of vDSO getrandom to LoongArch64, from Xi Ruoyao and acked by
     Huacai Chen.

   - Port of vDSO getrandom to ARM64, from Adhemerval Zanella and acked
     by Will Deacon.

   - Port of vDSO getrandom to PowerPC, in both 32-bit and 64-bit
     varieties, from Christophe Leroy and acked by Michael Ellerman.

   - Port of vDSO getrandom to S390X from Heiko Carstens, the arch
     maintainer.

  While it'd be natural for there to be things to fix up over the course
  of the development cycle, these patches got a decent amount of review
  from a fairly diverse crew of folks on the mailing lists, and, for the
  most part, they've been cooking in linux-next, which has been helpful
  for ironing out build issues.

  In terms of architectures, I think that mostly takes care of the
  important 64-bit archs with hardware still being produced and running
  production loads in settings where vDSO getrandom is likely to help.

  Arguably there's still RISC-V left, and we'll see for 6.13 whether
  they find it useful and submit a port"

* tag 'random-6.12-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: (47 commits)
  selftests: vDSO: check cpu caps before running chacha test
  s390/vdso: Wire up getrandom() vdso implementation
  s390/vdso: Move vdso symbol handling to separate header file
  s390/vdso: Allow alternatives in vdso code
  s390/module: Provide find_section() helper
  s390/facility: Let test_facility() generate static branch if possible
  s390/alternatives: Remove ALT_FACILITY_EARLY
  s390/facility: Disable compile time optimization for decompressor code
  selftests: vDSO: fix vdso_config for s390
  selftests: vDSO: fix ELF hash table entry size for s390x
  powerpc/vdso: Wire up getrandom() vDSO implementation on VDSO64
  powerpc/vdso: Wire up getrandom() vDSO implementation on VDSO32
  powerpc/vdso: Refactor CFLAGS for CVDSO build
  powerpc/vdso32: Add crtsavres
  mm: Define VM_DROPPABLE for powerpc/32
  powerpc/vdso: Fix VDSO data access when running in a non-root time namespace
  selftests: vDSO: don't include generated headers for chacha test
  arm64: vDSO: Wire up getrandom() vDSO implementation
  arm64: alternative: make alternative_has_cap_likely() VDSO compatible
  selftests: vDSO: also test counter in vdso_test_chacha
  ...
 2024-09-18 15:26:31 +02:00
Linus Torvalds
c8d8a35d09 Livepatching changes for 6.12 
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Merge tag 'livepatching-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching update from Petr Mladek:

 - Small documentation improvement

* tag 'livepatching-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  Documentation: livepatch: Correct release locks antonym
 2024-09-18 15:24:02 +02:00
Linus Torvalds
9f0c253ddd Performance events changes for v6.12: 
- Implement per-PMU context rescheduling to significantly improve single-PMU
    performance, and related cleanups/fixes. (by Peter Zijlstra and Namhyung Kim)
 
  - Fix ancient bug resulting in a lot of events being dropped erroneously
    at higher sampling frequencies. (by Luo Gengkun)
 
  - uprobes enhancements:
 
      - Implement RCU-protected hot path optimizations for better performance:
 
          "For baseline vs SRCU, peak througput increased from 3.7 M/s (million uprobe
           triggerings per second) up to about 8 M/s. For uretprobes it's a bit more
           modest with bump from 2.4 M/s to 5 M/s.
 
           For SRCU vs RCU Tasks Trace, peak throughput for uprobes increases further from
           8 M/s to 10.3 M/s (+28%!), and for uretprobes from 5.3 M/s to 5.8 M/s (+11%),
           as we have more work to do on uretprobes side.
 
           Even single-thread (no contention) performance is slightly better: 3.276 M/s to
           3.396 M/s (+3.5%) for uprobes, and 2.055 M/s to 2.174 M/s (+5.8%)
           for uretprobes."
 
           (by Andrii Nakryiko et al)
 
      - Document mmap_lock, don't abuse get_user_pages_remote(). (by Oleg Nesterov)
 
      - Cleanups & fixes to prepare for future work:
 
         - Remove uprobe_register_refctr()
 	- Simplify error handling for alloc_uprobe()
         - Make uprobe_register() return struct uprobe *
         - Fold __uprobe_unregister() into uprobe_unregister()
         - Shift put_uprobe() from delete_uprobe() to uprobe_unregister()
         - BPF: Fix use-after-free in bpf_uprobe_multi_link_attach()
 
           (by Oleg Nesterov)
 
  - New feature & ABI extension: allow events to use PERF_SAMPLE READ with
    inheritance, enabling sample based profiling of a group of counters over
    a hierarchy of processes or threads.  (by Ben Gainey)
 
  - Intel uncore & power events updates:
 
       - Add Arrow Lake and Lunar Lake support
       - Add PERF_EV_CAP_READ_SCOPE
       - Clean up and enhance cpumask and hotplug support
 
         (by Kan Liang)
 
       - Add LNL uncore iMC freerunning support
       - Use D0:F0 as a default device
 
         (by Zhenyu Wang)
 
  - Intel PT: fix AUX snapshot handling race. (by Adrian Hunter)
 
  - Misc fixes and cleanups. (by James Clark, Jiri Olsa, Oleg Nesterov and Peter Zijlstra)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2024-09-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf events updates from Ingo Molnar:

 - Implement per-PMU context rescheduling to significantly improve
   single-PMU performance, and related cleanups/fixes (Peter Zijlstra
   and Namhyung Kim)

 - Fix ancient bug resulting in a lot of events being dropped
   erroneously at higher sampling frequencies (Luo Gengkun)

 - uprobes enhancements:

     - Implement RCU-protected hot path optimizations for better
       performance:

         "For baseline vs SRCU, peak througput increased from 3.7 M/s
          (million uprobe triggerings per second) up to about 8 M/s. For
          uretprobes it's a bit more modest with bump from 2.4 M/s to
          5 M/s.

          For SRCU vs RCU Tasks Trace, peak throughput for uprobes
          increases further from 8 M/s to 10.3 M/s (+28%!), and for
          uretprobes from 5.3 M/s to 5.8 M/s (+11%), as we have more
          work to do on uretprobes side.

          Even single-thread (no contention) performance is slightly
          better: 3.276 M/s to 3.396 M/s (+3.5%) for uprobes, and 2.055
          M/s to 2.174 M/s (+5.8%) for uretprobes."

          (Andrii Nakryiko et al)

     - Document mmap_lock, don't abuse get_user_pages_remote() (Oleg
       Nesterov)

     - Cleanups & fixes to prepare for future work:
        - Remove uprobe_register_refctr()
	- Simplify error handling for alloc_uprobe()
        - Make uprobe_register() return struct uprobe *
        - Fold __uprobe_unregister() into uprobe_unregister()
        - Shift put_uprobe() from delete_uprobe() to uprobe_unregister()
        - BPF: Fix use-after-free in bpf_uprobe_multi_link_attach()
          (Oleg Nesterov)

 - New feature & ABI extension: allow events to use PERF_SAMPLE READ
   with inheritance, enabling sample based profiling of a group of
   counters over a hierarchy of processes or threads (Ben Gainey)

 - Intel uncore & power events updates:

      - Add Arrow Lake and Lunar Lake support
      - Add PERF_EV_CAP_READ_SCOPE
      - Clean up and enhance cpumask and hotplug support
        (Kan Liang)

      - Add LNL uncore iMC freerunning support
      - Use D0:F0 as a default device
        (Zhenyu Wang)

 - Intel PT: fix AUX snapshot handling race (Adrian Hunter)

 - Misc fixes and cleanups (James Clark, Jiri Olsa, Oleg Nesterov and
   Peter Zijlstra)

* tag 'perf-core-2024-09-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
  dmaengine: idxd: Clean up cpumask and hotplug for perfmon
  iommu/vt-d: Clean up cpumask and hotplug for perfmon
  perf/x86/intel/cstate: Clean up cpumask and hotplug
  perf: Add PERF_EV_CAP_READ_SCOPE
  perf: Generic hotplug support for a PMU with a scope
  uprobes: perform lockless SRCU-protected uprobes_tree lookup
  rbtree: provide rb_find_rcu() / rb_find_add_rcu()
  perf/uprobe: split uprobe_unregister()
  uprobes: travers uprobe's consumer list locklessly under SRCU protection
  uprobes: get rid of enum uprobe_filter_ctx in uprobe filter callbacks
  uprobes: protected uprobe lifetime with SRCU
  uprobes: revamp uprobe refcounting and lifetime management
  bpf: Fix use-after-free in bpf_uprobe_multi_link_attach()
  perf/core: Fix small negative period being ignored
  perf: Really fix event_function_call() locking
  perf: Optimize __pmu_ctx_sched_out()
  perf: Add context time freeze
  perf: Fix event_function_call() locking
  perf: Extract a few helpers
  perf: Optimize context reschedule for single PMU cases
  ...
 2024-09-18 15:03:58 +02:00
Linus Torvalds
941c122da5 Perf events fixes left over from the v6.11 cycle: 
- Fix energy-pkg event enumeration on certain AMD CPUs
  - Set up the LBR branch stack for BPF counting events too
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-09-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf event fixes from Ingo Molnar:
 "Left over from the v6.11 cycle:

   - Fix energy-pkg event enumeration on certain AMD CPUs

   - Set up the LBR branch stack for BPF counting events too"

* tag 'perf-urgent-2024-09-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel: Allow to setup LBR for counting event for BPF
  perf/x86/rapl: Fix the energy-pkg event for AMD CPUs
 2024-09-18 15:00:50 +02:00
Linus Torvalds
9f39757957 chrome platform changes for 6.12 
* Improvements
 
   - Adjust DMI match table for Framework Laptop for improving
     maintainabilities for both legacy and new models.
 
   - Add .remove driver callback for cros_ec_typec for allowing the
     driver to be rebound.
 
   - Use kmemdup_array() for taking care possible overflows.
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Merge tag 'chrome-platform-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:

 - Adjust DMI match table for Framework Laptop for improving
   maintainabilities for both legacy and new models

 - Add .remove driver callback for cros_ec_typec in order to allow the
   driver to be rebound

 - Use kmemdup_array() for taking care possible overflows

* tag 'chrome-platform-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: chromeos_laptop: Use kmemdup_array
  platform/chrome: cros_ec_typec: add remove driver hook
  platform/chrome: cros_ec_lpc: switch primary DMI data for Framework Laptop
 2024-09-18 12:57:04 +02:00
Linus Torvalds
f4960b002c fbdev fixes and updates for 6.12-rc1: 
- video: Reduce code when CONFIG_HAS_IOPORT=n
 - xenfb: Fix crash by assigning fb_info->device
 - pxafb: Fix possible use after free in pxafb_task()
 - efifb: Introduce and use new devm_register_framebuffer() function
 - mmpfb: Utilize devm_clk_get_enabled() helpers
 - various typo fixes and code cleanups
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Merge tag 'fbdev-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev updates from Helge Deller:
 - video: Reduce code when CONFIG_HAS_IOPORT=n
 - xenfb: Fix crash by assigning fb_info->device
 - pxafb: Fix possible use after free in pxafb_task()
 - efifb: Introduce and use new devm_register_framebuffer() function
 - mmpfb: Utilize devm_clk_get_enabled() helpers
 - various typo fixes and code cleanups

* tag 'fbdev-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: omapfb: Fix typo in comment
  fbdev: pxafb: Fix possible use after free in pxafb_task()
  fbdev: xen-fbfront: Assign fb_info->device
  fbdev: hyperv_fb: Convert comma to semicolon
  fbdev: imsttfb: convert comma to semicolon
  fbdev: pxa3xx-gcu: Convert comma to semicolon
  fbdev: efifb: Use driver-private screen_info for sysfs
  fbdev: efifb: Use devm_register_framebuffer()
  fbdev: efifb: Register sysfs groups through driver core
  fbdev: Introduce devm_register_framebuffer()
  fbdev: omapfb: Use sysfs_emit_at() to simplify code
  fbdev: omapfb: panel-sony-acx565akm: Simplify show_cabc_available_modes()
  fbdev: mmp: Use devm_clk_get_enabled() helpers
  fbdev: hpfb: Fix an error handling path in hpfb_dio_probe()
  video: Handle HAS_IOPORT dependencies
 2024-09-18 12:53:22 +02:00
Linus Torvalds
eec91e22fe IOMMU Updates for Linux v6.12 
Including:
 
 	- Core changes:
 	  - Allow ATS on VF when parent device is identity mapped.
 	  - Optimize unmap path on ARM io-pagetable implementation.
 	  - Use of_property_present().
 
 	- ARM-SMMU changes:
 	  - SMMUv2:
 	    - Devicetree binding updates for Qualcomm MMU-500 implementations.
 	    - Extend workarounds for broken Qualcomm hypervisor to avoid
 	      touching features that are not available (e.g. 16KiB page
 	      support, reserved context banks).
 	  - SMMUv3:
 	    - Support for NVIDIA's custom virtual command queue hardware.
 	    - Fix Stage-2 stall configuration and extend tests to cover this
 	      area.
 	    - A bunch of driver cleanups, including simplification of the
 	      master rbtree code.
 	  - Plus minor cleanups and fixes across both drivers.
 
 	- Intel VT-d changes:
 	  - Retire si_domain and convert to use static identity domain.
 	  - Batched IOTLB/dev-IOTLB invalidation.
 	  - Small code refactoring and cleanups.
 
 	- AMD-Vi changes:
 	  - Cleanup and refactoring of io-pagetable code.
 	  - Add parameter to limit the used io-pagesizes.
 	  - Other cleanups and fixes.
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Merge tag 'iommu-updates-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:
 "Core changes:
   - Allow ATS on VF when parent device is identity mapped
   - Optimize unmap path on ARM io-pagetable implementation
   - Use of_property_present()

  ARM-SMMU changes:
   - SMMUv2:
       - Devicetree binding updates for Qualcomm MMU-500 implementations
       - Extend workarounds for broken Qualcomm hypervisor to avoid
         touching features that are not available (e.g. 16KiB page
         support, reserved context banks)
   - SMMUv3:
       - Support for NVIDIA's custom virtual command queue hardware
       - Fix Stage-2 stall configuration and extend tests to cover this
         area
       - A bunch of driver cleanups, including simplification of the
         master rbtree code
   - Minor cleanups and fixes across both drivers

  Intel VT-d changes:
   - Retire si_domain and convert to use static identity domain
   - Batched IOTLB/dev-IOTLB invalidation
   - Small code refactoring and cleanups

  AMD-Vi changes:
   - Cleanup and refactoring of io-pagetable code
   - Add parameter to limit the used io-pagesizes
   - Other cleanups and fixes"

* tag 'iommu-updates-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (77 commits)
  dt-bindings: arm-smmu: Add compatible for QCS8300 SoC
  iommu/amd: Test for PAGING domains before freeing a domain
  iommu/amd: Fix argument order in amd_iommu_dev_flush_pasid_all()
  iommu/amd: Add kernel parameters to limit V1 page-sizes
  iommu/arm-smmu-v3: Reorganize struct arm_smmu_ctx_desc_cfg
  iommu/arm-smmu-v3: Add types for each level of the CD table
  iommu/arm-smmu-v3: Shrink the cdtab l1_desc array
  iommu/arm-smmu-v3: Do not use devm for the cd table allocations
  iommu/arm-smmu-v3: Remove strtab_base/cfg
  iommu/arm-smmu-v3: Reorganize struct arm_smmu_strtab_cfg
  iommu/arm-smmu-v3: Add types for each level of the 2 level stream table
  iommu/arm-smmu-v3: Add arm_smmu_strtab_l1/2_idx()
  iommu/arm-smmu-qcom: apply num_context_bank fixes for SDM630 / SDM660
  iommu/arm-smmu-v3: Use the new rb tree helpers
  dt-bindings: arm-smmu: document the support on SA8255p
  iommu/tegra241-cmdqv: Do not allocate vcmdq until dma_set_mask_and_coherent
  iommu/tegra241-cmdqv: Drop static at local variable
  iommu/tegra241-cmdqv: Fix ioremap() error handling in probe()
  iommu/amd: Do not set the D bit on AMD v2 table entries
  iommu/amd: Correct the reported page sizes from the V1 table
  ...
 2024-09-18 12:45:52 +02:00
Linus Torvalds
c27ea952c6 hwmon updates for v6.12 
* New drivers
 
   - Driver for Sophgo SG2042 external hardware monitor
 
   - Thermal sensor driver for Surface Aggregator Module
 
 * Added support to existing drivers
 
   - oxp-sensors: Support for multiple new devices.
 
   - nct6775: Added G15CF to ASUS WMI monitoring list
 
 * Modernizations
 
   - ina2xx: Driver cleanup and update to use with_info API
 
   - lm92: Driver cleanup and update to use regmap and with_info API
 
   - lm95234: Driver cleanup and update to use regmap and with_info API
 
   - max1619: Driver cleanup and update to use regmap and with_info API
 
   - max1668: Driver cleanup and update to use regmap and with_info API
 
   - max6697: Driver cleanup and update to use regmap and with_info API
 
 * API updates
 
   - Removed unused devm_hwmon_device_unregister() API function
 
 * Other notable changes
 
   - Implement and use generic bus access delay for pmbus drivers
 
   - Use with scoped for each OF child loop in several drivers
 
   - Module unloading fixes for gsc-hwmon and ntc_thermistor drivers
 
   - Converted various drivers to use multi-byte regmap operations
 
   - adt7475: Improved devicetree based configuration
 
   - ltc2947: Move to firmware agnostic API
 
   - ltc2978: Converted devicetree description to yaml
 
   - max16065: Addressed overflows when writing limit attributes
 
 * Various other minor cleanups, fixes and improvements
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Merge tag 'hwmon-for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:
   - driver for Sophgo SG2042 external hardware monitor
   - thermal sensor driver for Surface Aggregator Module

  Added support to existing drivers:
   - oxp-sensors: Support for multiple new devices.
   - nct6775: Added G15CF to ASUS WMI monitoring list

  Modernizations:
   - driver cleanup and update to use with_info API: ina2xx, lm92,
     lm95234, max1619, max1668, and max6697.

  API updates:
   - removed unused devm_hwmon_device_unregister() API function

  Other notable changes
   - implement and use generic bus access delay for pmbus drivers
   - use with scoped for each OF child loop in several drivers
   - module unloading fixes for gsc-hwmon and ntc_thermistor drivers
   - converted various drivers to use multi-byte regmap operations
   - adt7475: Improved devicetree based configuration
   - ltc2947: Move to firmware agnostic API
   - ltc2978: Converted devicetree description to yaml
   - max16065: Addressed overflows when writing limit attributes

  Various other minor cleanups, fixes and improvements"

* tag 'hwmon-for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (96 commits)
  hwmon: Remove devm_hwmon_device_unregister() API function
  hwmon: (sch5636) Print unknown ID in error string via %*pE
  hwmon: (sht21) Use %*ph to print small buffer
  hwmon: (pmbus/mpq7932) Constify struct regulator_desc
  hwmon: pmbus: pli12096bc: Add write delay
  hwmon: pmbus: zl6100: Use generic code
  hwmon: pmbus: ucd9000: Use generic code
  hwmon: pmbus: max15301: Use generic code
  hwmon: pmbus: Implement generic bus access delay
  hwmon: (ina2xx) Use shunt voltage to calculate current
  hwmon: (ina2xx) Add support for current limits
  hwmon: (ina2xx) Pass register to alert limit write functions
  hwmon: (ina2xx) Convert to use with_info hwmon API
  hwmon: (ina2xx) Move ina2xx_get_value()
  hwmon: (ina2xx) Set alert latch
  hwmon: (ina2xx) Consolidate chip initialization code
  hwmon: (ina2xx) Fix various overflow issues
  hwmon: (ina2xx) Re-initialize chip using regmap functions
  hwmon: (ina2xx) Use local regmap pointer if used more than once
  hwmon: (ina2xx) Mark regmap_config as const
  ...
 2024-09-18 12:40:48 +02:00
Linus Torvalds
39b3f4e0db hardening updates for v6.12-rc1 
- lib/string_choices: Add str_up_down() helper (Michal Wajdeczko)
 
 - lib/string_choices: Add str_true_false()/str_false_true() helper
   (Hongbo Li)
 
 - lib/string_choices: Introduce several opposite string choice helpers
   (Hongbo Li)
 
 - lib/string_helpers: rework overflow-dependent code (Justin Stitt)
 
 - fortify: refactor test_fortify Makefile to fix some build problems
   (Masahiro Yamada)
 
 - string: Check for "nonstring" attribute on strscpy() arguments
 
 - virt: vbox: Replace 1-element arrays with flexible arrays
 
 - media: venus: hfi_cmds: Replace 1-element arrays with flexible arrays
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Merge tag 'hardening-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening updates from Kees Cook:

 - lib/string_choices:
    - Add str_up_down() helper (Michal Wajdeczko)
    - Add str_true_false()/str_false_true() helper  (Hongbo Li)
    - Introduce several opposite string choice helpers  (Hongbo Li)

 - lib/string_helpers:
    - rework overflow-dependent code (Justin Stitt)

 - fortify: refactor test_fortify Makefile to fix some build problems
   (Masahiro Yamada)

 - string: Check for "nonstring" attribute on strscpy() arguments

 - virt: vbox: Replace 1-element arrays with flexible arrays

 - media: venus: hfi_cmds: Replace 1-element arrays with flexible arrays

* tag 'hardening-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  lib/string_choices: Add some comments to make more clear for string choices helpers.
  lib/string_choices: Introduce several opposite string choice helpers
  lib/string_choices: Add str_true_false()/str_false_true() helper
  string: Check for "nonstring" attribute on strscpy() arguments
  media: venus: hfi_cmds: struct hfi_session_release_buffer_pkt: Add __counted_by annotation
  media: venus: hfi_cmds: struct hfi_session_release_buffer_pkt: Replace 1-element array with flexible array
  virt: vbox: struct vmmdev_hgcm_pagelist: Replace 1-element array with flexible array
  lib/string_helpers: rework overflow-dependent code
  coccinelle: Add rules to find str_down_up() replacements
  string_choices: Add wrapper for str_down_up()
  coccinelle: Add rules to find str_up_down() replacements
  lib/string_choices: Add str_up_down() helper
  fortify: use if_changed_dep to record header dependency in *.cmd files
  fortify: move test_fortify.sh to lib/test_fortify/
  fortify: refactor test_fortify Makefile to fix some build problems
 2024-09-18 12:12:41 +02:00
Linus Torvalds
667495de21 execve updates for v6.12-rc1 
- binfmt_elf: Dump smaller VMAs first in ELF cores (Brian Mak)
 
 - binfmt_elf: mseal address zero (Jeff Xu)
 
 - binfmt_elf, coredump: Log the reason of the failed core dumps
   (Roman Kisel)
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Merge tag 'execve-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull execve updates from Kees Cook:

 - binfmt_elf: Dump smaller VMAs first in ELF cores (Brian Mak)

 - binfmt_elf: mseal address zero (Jeff Xu)

 - binfmt_elf, coredump: Log the reason of the failed core dumps (Roman
   Kisel)

* tag 'execve-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  binfmt_elf: mseal address zero
  binfmt_elf: Dump smaller VMAs first in ELF cores
  binfmt_elf, coredump: Log the reason of the failed core dumps
  coredump: Standartize and fix logging
 2024-09-18 11:53:31 +02:00
Linus Torvalds
7c9026b2b0 pstore updates for v6.12-rc1 
- ramoops: Fix .rst typo (Steven Rostedt)
 
 - pstore: replace spinlock_t by raw_spinlock_t (Wen Yang)
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Merge tag 'pstore-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull pstore updates from Kees Cook:

 - ramoops: Fix .rst typo (Steven Rostedt)

 - pstore: replace spinlock_t by raw_spinlock_t (Wen Yang)

* tag 'pstore-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  pstore: replace spinlock_t by raw_spinlock_t
  pstore/ramoops: Fix typo as there is no "reserver"
 2024-09-18 11:47:03 +02:00
Linus Torvalds
200289db26 pmdomain core: 
- Add support for s2idle for CPU PM domains on PREEMPT_RT
  - Add device managed version of dev_pm_domain_attach|detach_list()
  - Improve layout of the debugfs summary table
 
 pmdomain providers:
  - amlogic: Remove obsolete vpu domain driver
  - bcm: raspberrypi: Add support for devices used as wakeup-sources
  - imx: Fixup clock handling for imx93 at driver remove
  - rockchip: Add gating support for RK3576
  - rockchip: Add support for RK3576 SoC
  - Some OF parsing simplifications
  - Some simplifications by using dev_err_probe() and guard()
 
 pmdomain consumers:
  - qcom/media/venus: Convert to the device managed APIs for PM domains
 
 cpuidle-psci:
  - Add support for s2idle/s2ram for the hierarchical topology on PREEMPT_RT
  - Some OF parsing simplifications
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Merge tag 'pmdomain-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:
 "pmdomain core:
   - Add support for s2idle for CPU PM domains on PREEMPT_RT
   - Add device managed version of dev_pm_domain_attach|detach_list()
   - Improve layout of the debugfs summary table

  pmdomain providers:
   - amlogic: Remove obsolete vpu domain driver
   - bcm: raspberrypi: Add support for devices used as wakeup-sources
   - imx: Fixup clock handling for imx93 at driver remove
   - rockchip: Add gating support for RK3576
   - rockchip: Add support for RK3576 SoC
   - Some OF parsing simplifications
   - Some simplifications by using dev_err_probe() and guard()

  pmdomain consumers:
   - qcom/media/venus: Convert to the device managed APIs for PM domains

  cpuidle-psci:
   - Add support for s2idle/s2ram for the hierarchical topology on
     PREEMPT_RT
   - Some OF parsing simplifications"

* tag 'pmdomain-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (39 commits)
  pmdomain: core: Reduce debug summary table width
  pmdomain: core: Move mode_status_str()
  pmdomain: core: Fix "managed by" alignment in debug summary
  pmdomain: core: Harden inter-column space in debug summary
  pmdomain: rockchip: Add gating masks for rk3576
  pmdomain: rockchip: Add gating support
  pmdomain: rockchip: Simplify dropping OF node reference
  pmdomain: mediatek: make use of dev_err_cast_probe()
  pmdomain: imx93-pd: drop the context variable "init_off"
  pmdomain: imx93-pd: don't unprepare clocks on driver remove
  pmdomain: imx93-pd: replace dev_err() with dev_err_probe()
  pmdomain: qcom: rpmpd: Simplify locking with guard()
  pmdomain: qcom: rpmhpd: Simplify locking with guard()
  pmdomain: qcom: cpr: Simplify locking with guard()
  pmdomain: qcom: cpr: Simplify with dev_err_probe()
  pmdomain: imx: gpcv2: Simplify with scoped for each OF child loop
  pmdomain: imx: gpc: Simplify with scoped for each OF child loop
  pmdomain: rockchip: SimplUlf Hanssonify locking with guard()
  pmdomain: rockchip: Simplify with scoped for each OF child loop
  pmdomain: qcom-cpr: Use scope based of_node_put() to simplify code.
  ...
 2024-09-18 10:49:45 +02:00
Linus Torvalds
2fe3c78a2c power sequencing updates for v6.12-rc1 
- add support for the new PMU variant inside the WCN6855 chipset
 - add documentation for the subsystem
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Merge tag 'pwrseq-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull power sequencing updates from Bartosz Golaszewski:
 "There's one change adding support for a new PMU model and another
  adding documentation for the subsystem which probably should have been
  part of the initial commit but better late than never:

   - add support for the new PMU variant inside the WCN6855 chipset

   - add documentation for the subsystem"

* tag 'pwrseq-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  Documentation: add a driver API doc for the power sequencing subsystem
  power: sequencing: qcom-wcn: add support for the WCN6855 PMU
 2024-09-18 10:46:27 +02:00
Linus Torvalds
9b08f8327f gpio updates for v6.12-rc1 
Core GPIOLIB:
 - provide and add users for a macro allowing to iterate over accepted
   GPIO property names of consumer device nodes
 - remove legacy definitions that are no longer used
 - put legacy GPIO devres helpers together with the rest of the deprecated
   code
 - implement and use swnode_gpio_get_reference(): a wrapper simplifying
   the underlying calls to fwnode_property_get_reference_args()
 - use IS_ERR_OR_NULL() where it makes sense
 - replace of_find_property() with of_property_present()
 - simplify code with the scoped variant of OF-node children iterator
 
 Documentation:
 - update GPIO kerneldocs with Return sections
 - fix "Excess struct member description" warnings now being triggered
   with W=1
 
 New drivers:
 - add support for Analog Devices ADP5585
 
 Driver improvements:
 - add support for wake-on-GPIO to gpio-mpc8xxx
 - use GPIO_LOOKUP_IDX() in gpio-virtuser
 - use devm_clk_get_[optional_]enabled() where applicable in several
   drivers
 - replace OF-specific functions with provider-agnostic alternatives where
   possible
 - drop support for legacy platform data from gpio-ath79 and gpio-davinci
 - refactor gpio-stmpe
 - improve error reporting in gpio-pca953x
 - add support for reading the direction of pins for some models to
   gpio-vf610
 
 DT bindings:
 - convert the bindings for nxp,lpc3220 to YAML
 - add gpio-reserved-ranges to gpio-davinci
 - simplify the GPIO hog schema
 - fix a GPIO hog issue in bindings for fcs,fxl6408
 
 Other:
 - fix format specifiers in user-space tools
 - remove leftover files on make clean in tools/gpio/
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Merge tag 'gpio-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "Core GPIOLIB:
   - provide and add users for a macro allowing to iterate over accepted
     GPIO property names of consumer device nodes
   - remove legacy definitions that are no longer used
   - put legacy GPIO devres helpers together with the rest of the
     deprecated code
   - implement and use swnode_gpio_get_reference(): a wrapper
     simplifying the underlying calls to
     fwnode_property_get_reference_args()
   - use IS_ERR_OR_NULL() where it makes sense
   - replace of_find_property() with of_property_present()
   - simplify code with the scoped variant of OF-node children iterator

  Documentation:
   - update GPIO kerneldocs with Return sections
   - fix "Excess struct member description" warnings now being triggered
     with W=1

  New drivers:
   - add support for Analog Devices ADP5585

  Driver improvements:
   - add support for wake-on-GPIO to gpio-mpc8xxx
   - use GPIO_LOOKUP_IDX() in gpio-virtuser
   - use devm_clk_get_[optional_]enabled() where applicable in several
     drivers
   - replace OF-specific functions with provider-agnostic alternatives
     where possible
   - drop support for legacy platform data from gpio-ath79 and
     gpio-davinci
   - refactor gpio-stmpe
   - improve error reporting in gpio-pca953x
   - add support for reading the direction of pins for some models to
     gpio-vf610

  DT bindings:
   - convert the bindings for nxp,lpc3220 to YAML
   - add gpio-reserved-ranges to gpio-davinci
   - simplify the GPIO hog schema
   - fix a GPIO hog issue in bindings for fcs,fxl6408

  Other:
   - fix format specifiers in user-space tools
   - remove leftover files on make clean in tools/gpio/"

* tag 'gpio-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (54 commits)
  gpio: mpc8xxx: switch to using DEFINE_RUNTIME_DEV_PM_OPS()
  gpio: xilinx: Use helper function devm_clk_get_optional_enabled()
  gpio: mb86s7x: Use helper function devm_clk_get_optional_enabled()
  gpio: lpc18xx: Use helper function devm_clk_get_enabled()
  gpio: cadence: Use helper function devm_clk_get_enabled()
  gpio: sama5d2-piobu: convert comma to semicolon
  gpio: mpc8xxx: order headers alphabetically
  gpio: davinci: use devm_clk_get_enabled()
  gpio: davinci: drop platform data support
  gpio: stmpe: Sort headers
  gpio: stmpe: Make use of device properties
  gpio: stmpe: Utilise temporary variable for struct device
  gpio: stmpe: Remove unused 'dev' member of struct stmpe_gpio
  gpio: stmpe: Fix IRQ related error messages
  gpio: pch: kerneldoc fixes for excess members
  gpio: zynq: Simplify using devm_clk_get_enabled()
  gpio: mpc8xxx: Add wake on GPIO support
  gpio: syscon: fix excess struct member build warning
  gpio: stp-xway: Simplify using devm_clk_get_enabled()
  gpiolib: legacy: Consolidate devm_gpio_*() with other legacy APIs
  ...
 2024-09-18 10:43:07 +02:00
Linus Torvalds
cc52dc2fe3 pwm: Changes for v6.12-rc1 
This pull request contains some cleanups to the core and some mostly
 minor updates to a bunch of drivers and device tree bindings. One thing
 worth pointing out is that it contains an immutable branch containing
 support for a new mfd chip (Analog Devices ADP5585) with several sub
 drivers. So expect to get the four affected commits also from my fellow
 MFD and GPIO maintainers.
 
 Thanks go to Andrew Kreimer, Clark Wang, Conor Dooley, David Lechner,
 Dmitry Rokosov, Frank Li, Geert Uytterhoeven, George Stark, Jiapeng
 Chong, Krzysztof Kozlowski, Laurent Pinchart, Liao Chen, Liu Ying, Rob
 Herring and Wolfram Sang for code contributions and reviews and to Lee
 Jones for preparing the above mentioned immutable branch.
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Merge tag 'pwm/for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm updates from Uwe Kleine-König:
 "This contains some cleanups to the core and some mostly minor updates
  to a bunch of drivers and device tree bindings. One thing worth
  pointing out is that it contains an immutable branch containing
  support for a new mfd chip (Analog Devices ADP5585) with several sub
  drivers.

  Thanks go to Andrew Kreimer, Clark Wang, Conor Dooley, David Lechner,
  Dmitry Rokosov, Frank Li, Geert Uytterhoeven, George Stark, Jiapeng
  Chong, Krzysztof Kozlowski, Laurent Pinchart, Liao Chen, Liu Ying, Rob
  Herring and Wolfram Sang for code contributions and reviews and to Lee
  Jones for preparing the above mentioned immutable branch"

* tag 'pwm/for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (21 commits)
  pwm: stm32: Fix a typo
  dt-bindings: pwm: amlogic: Add new bindings for meson A1 PWM
  dt-bindings: pwm: amlogic: Add optional power-domains
  pwm: Switch back to struct platform_driver::remove()
  dt-bindings: pwm: allwinner,sun4i-a10-pwm: add top-level constraints
  pwm: axi-pwmgen: use shared macro for version reg
  pwm: atmel-hlcdc: Drop trailing comma
  pwm: atmel-hlcdc: Enable module autoloading
  pwm: omap-dmtimer: Use of_property_read_bool()
  pwm: adp5585: Set OSC_EN bit to 1 when PWM state is enabled
  pwm: lp3943: Fix an incorrect type in lp3943_pwm_parse_dt()
  pwm: Simplify pwm_capture()
  pwm: lp3943: Use of_property_count_u32_elems() to get property length
  pwm: Don't export pwm_capture()
  pwm: Make info in traces about affected pwm more useful
  dt-bindings: pwm: renesas,tpu: Add r8a779h0 support
  dt-bindings: pwm: renesas,pwm-rcar: Add r8a779h0 support
  pwm: adp5585: Add Analog Devices ADP5585 support
  gpio: adp5585: Add Analog Devices ADP5585 support
  mfd: adp5585: Add Analog Devices ADP5585 core support
  ...
 2024-09-18 10:39:35 +02:00
Linus Torvalds
7fced2a78a MMC core: 
- Add documentation for the mmc-test driver
  - Register the eMMC RPMB partition with the RPMB subsystem
  - Some various cleanups
 
 MMC host:
  - dw_mmc-rockchip: Add support for the RK3576 variant
  - renesas_sdhi: Add support for the RZ/V2H(P) variant
  - sdhci_am654: Add a retry mechanism for tuning
  - sdhci-atmel: Convert DT bindings to json schema
  - sdhci-of-dwcmshc: Add eMMC HW reset support for BlueField-3 SoC
  - sdhci-of-dwcmshc: Add support for the RK3576 variant
  - sdhci-of-dwcmshc: Add support for the Sophgo SG2042 variant
  - sdhci-of-ma35d1: Add new driver for the Nuvoton MA35D1 SDHCI
 
 Misc/Tee:
  - Add Replay Protected Memory Block (RPMB) subsystem
  - Let optee probe RPMB device using RPMB subsystem
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Merge tag 'mmc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add documentation for the mmc-test driver
   - Register the eMMC RPMB partition with the RPMB subsystem
   - Some various cleanups

  MMC host:
   - dw_mmc-rockchip: Add support for the RK3576 variant
   - renesas_sdhi: Add support for the RZ/V2H(P) variant
   - sdhci_am654: Add a retry mechanism for tuning
   - sdhci-atmel: Convert DT bindings to json schema
   - sdhci-of-dwcmshc:
       - Add eMMC HW reset support for BlueField-3 SoC
       - Add support for the RK3576 variant
       - Add support for the Sophgo SG2042 variant
   - sdhci-of-ma35d1: Add new driver for the Nuvoton MA35D1 SDHCI

  Misc/Tee:
   - Add Replay Protected Memory Block (RPMB) subsystem
   - Let optee probe RPMB device using RPMB subsystem"

* tag 'mmc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (41 commits)
  mmc: core: Use dev_err_probe for deferred regulators
  optee: Fix a NULL vs IS_ERR() check
  mmc: sdhci_am654: Add prints to tuning algorithm
  mmc: sdhci_am654: Add retry tuning
  dt-bindings: mmc: Add support for rk3576 eMMC
  Documentation: mmc: Add mmc-test doc
  rpmb: fix error path in rpmb_dev_register()
  optee: add RPMB dependency
  mmc: block: add RPMB dependency
  mmc: core Convert UNSTUFF_BITS macro to inline function
  dt-bindings: mmc: sdhci-atmel: Convert to json schema
  mmc: core: Convert simple_stroul to kstroul
  mmc: core: Calculate size from pointer
  mmc: cqhci: Make use of cqhci_halted() routine
  mmc: core: Replace the argument of mmc_sd_switch() with defines
  mmc: dw_mmc-rockchip: Add support for rk3576 SoCs
  mmc: dw_mmc-rockchip: Add internal phase support
  dt-bindings: mmc: Add support for rk3576 dw-mshc
  mmc: sdhci-of-dwcmshc: Add hw_reset() support for BlueField-3 SoC
  mmc: core: remove left-over data structure declarations
  ...
 2024-09-18 10:36:30 +02:00
Linus Torvalds
2471d2b3b2 * MTD changes 
No particularly important patchset this cycle, but we have a few usual
 improvements: like using a better/more recent helper or checking a
 return value.
 
 * Raw NAND changes
 
 The use of for_each_child_of_node_scoped() has been spread into the
 subsystem drivers. Aside from that, a couple of exit path have been
 fixed (mtk, denali), the TI GPMC bindings have been enhanced to comply
 with up-to-date partition descriptions and as always there is a load of
 small and misc fixes.
 
 * SPI-NAND changes
 
 The most impacting series this cycle is bringing support for continuous
 reads in the SPI-NAND subsystem. This is a feature already merged in the
 raw NAND subsystem which allows optimizing the internal fetch times in
 the chip while reading sequential pages within an eraseblock. For now
 only Macronix NANDs benefit from this feature. While we are talking
 about Macronix, some of their chip need an explicit action for selecting
 a different plane, and support for it has also been brought.
 
 The bitflip threshold has also been set to the same arbitrary level as
 in the raw NAND subsystem to optimize wear leveling decisions, and
 finally support for a new Winbond chip has been added.
 
 * SPI NOR changes
 
 Notable changes:
 - Add Write Protect support for N25Q064A.
 - New flash support for Zetta ZD25Q128C and Spansion S28HS256T.
 - Fix a NULL dereference in probe path for flashes without a name. The
   probe path tries to access the name without checking its existence
   first. S28HS256T is the first flash to define its entry without a
   name, uncovering this issue.
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Merge tag 'mtd/for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "MTD changes:

   - No particularly important patchset this cycle, but we have a few
     usual improvements: like using a better/more recent helper or
     checking a return value.

  Raw NAND changes:

   - The use of for_each_child_of_node_scoped() has been spread into the
     subsystem drivers

   - a couple of exit path have been fixed (mtk, denali)

   - TI GPMC bindings have been enhanced to comply with up-to-date
     partition descriptions

   - a load of small and misc fixes

  SPI-NAND changes:

   - The most impacting series this cycle is bringing support for
     continuous reads in the SPI-NAND subsystem.

     This is a feature already merged in the raw NAND subsystem which
     allows optimizing the internal fetch times in the chip while
     reading sequential pages within an eraseblock.

     For now only Macronix NANDs benefit from this feature. While we are
     talking about Macronix, some of their chip need an explicit action
     for selecting a different plane, and support for it has also been
     brought.

   - The bitflip threshold has also been set to the same arbitrary level
     as in the raw NAND subsystem to optimize wear leveling decisions

   - Add upport for a new Winbond chip

  SPI NOR changes:

   - Add Write Protect support for N25Q064A.

   - New flash support for Zetta ZD25Q128C and Spansion S28HS256T.

   - Fix a NULL dereference in probe path for flashes without a name.

     The probe path tries to access the name without checking its
     existence first. S28HS256T is the first flash to define its entry
     without a name, uncovering this issue"

* tag 'mtd/for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (41 commits)
  mtd: spi-nor: fix flash probing
  mtd: spi-nor: spansion: Add support for S28HS256T
  mtd: spi-nor: winbond: add Zetta ZD25Q128C support
  mtd: spi-nor: micron-st: Add n25q064a WP support
  mtd: spi-nor: sst: Factor out common write operation to `sst_nor_write_data()`
  mtd: spinand: macronix: Flag parts needing explicit plane select
  mtd: spinand: Add support for setting plane select bits
  dt-bindings: mtd: ti, gpmc-nand: support partitions node
  mtd: rawnand: mtk: Fix init error path
  mtd: powernv: Add check devm_kasprintf() returned value
  mtd: rawnand: mtk: Factorize out the logic cleaning mtk chips
  mtd: rawnand: atmel: Add message on DMA usage
  mtd: rawnand: meson: Fix typo in function name
  mtd: spi-nand: macronix: Continuous read support
  mtd: spi-nand: macronix: Add a possible bitflip status flag
  mtd: spi-nand: macronix: Extract the bitflip retrieval logic
  mtd: spi-nand: macronix: Fix helper name
  mtd: spi-nand: Expose spinand_write_reg_op()
  mtd: spi-nand: Add continuous read support
  mtd: spi-nand: Isolate the MTD read logic in a helper
  ...
 2024-09-18 10:30:40 +02:00
Linus Torvalds
288cb34ead power supply and reset changes for the 6.12 series 
* power-supply core
    - introduce power_supply_show_enum_with_available() helper
    - change usb_types from an array into a bitmask
    - fix early usage of power_supply_property_is_writeable() resulting
      in sysfs files not being writable
    - fix missing temp1_max_alarm attribute in power-supply's hwmon devices
  * drivers
    - max1720x: expose nvmem device
    - brcmstb: cleanup driver to use latest APIs
    - max77693: expose input and charging current limit
    - max17042_battery: fix state of charge reading for devices without
      current sensing
    - axp20x_battery: add AXP717 support
    - axp20x_battery: fix min/max voltage properties
    - axp20x_usb_power: add AXP717 support
    - axp20x_usb_power: add DT based input current limit
  * Documentation updates
  * misc. minor cleanups and fixes
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Merge tag 'for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - introduce power_supply_show_enum_with_available() helper
   - change usb_types from an array into a bitmask
   - fix early usage of power_supply_property_is_writeable() resulting
     in sysfs files not being writable
   - fix missing temp1_max_alarm attribute in power-supply's hwmon
     devices

  Drivers:
   - max1720x: expose nvmem device
   - brcmstb: cleanup driver to use latest APIs
   - max77693: expose input and charging current limit
   - max17042_battery: fix state of charge reading for devices without
     current sensing
   - axp20x_battery: add AXP717 support
   - axp20x_battery: fix min/max voltage properties
   - axp20x_usb_power: add AXP717 support
   - axp20x_usb_power: add DT based input current limit

  Documentation updates

  Misc minor cleanups and fixes"

* tag 'for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (38 commits)
  power: supply: hwmon: Fix missing temp1_max_alarm attribute
  power: supply: Drop use_cnt check from power_supply_property_is_writeable()
  power: supply: ab8500: Constify struct kobj_type
  power: supply: max1720x: fix a double free on error in probe()
  power: supply: axp20x_battery: add support for AXP717
  power: supply: axp20x_usb_power: Add support for AXP717
  dt-bindings: power: supply: axp20x: Add AXP717 compatible
  dt-bindings: power: supply: axp20x: Add AXP717 compatible
  power: supply: axp20x_usb_power: Fix spelling mistake "reqested" -> "requested"
  power: supply: Change usb_types from an array into a bitmask
  power: supply: sysfs: Move power_supply_show_enum_with_available() up
  power: supply: sysfs: Add power_supply_show_enum_with_available() helper
  power: supply: rt9467-charger: Remove "usb_type" property write support
  power: supply: ucs1002: Adjust ucs1002_set_usb_type() to accept string values
  power: supply: "usb_type" property may be written to
  power: supply: max1720x: add read support for nvmem
  mfd: axp20x: Add ADC, BAT, and USB cells for AXP717
  power: supply: core: constify psy_tzd_ops
  power: reset: brcmstb: Do not go into infinite loop if reset fails
  power: reset: brcmstb: Use devm_register_sys_off_handler()
  ...
 2024-09-18 10:24:22 +02:00
Linus Torvalds
bfbb96324a HSI changes for the 6.12 series 
* omap-ssi: remove unnecessary debugfs_create_dir() error check
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Merge tag 'hsi-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - omap-ssi: remove unnecessary debugfs_create_dir() error check

* tag 'hsi-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: omap-ssi: Remove unnecessary debugfs_create_dir() error check
 2024-09-18 10:09:48 +02:00
Linus Torvalds
bdf56c7580 slab updates for 6.12 
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Merge tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab updates from Vlastimil Babka:
 "This time it's mostly refactoring and improving APIs for slab users in
  the kernel, along with some debugging improvements.

   - kmem_cache_create() refactoring (Christian Brauner)

     Over the years have been growing new parameters to
     kmem_cache_create() where most of them are needed only for a small
     number of caches - most recently the rcu_freeptr_offset parameter.

     To avoid adding new parameters to kmem_cache_create() and adjusting
     all its callers, or creating new wrappers such as
     kmem_cache_create_rcu(), we can now pass extra parameters using the
     new struct kmem_cache_args. Not explicitly initialized fields
     default to values interpreted as unused.

     kmem_cache_create() is for now a wrapper that works both with the
     new form: kmem_cache_create(name, object_size, args, flags) and the
     legacy form: kmem_cache_create(name, object_size, align, flags,
     ctor)

   - kmem_cache_destroy() waits for kfree_rcu()'s in flight (Vlastimil
     Babka, Uladislau Rezki)

     Since SLOB removal, kfree() is allowed for freeing objects
     allocated by kmem_cache_create(). By extension kfree_rcu() as
     allowed as well, which can allow converting simple call_rcu()
     callbacks that only do kmem_cache_free(), as there was never a
     kmem_cache_free_rcu() variant. However, for caches that can be
     destroyed e.g. on module removal, the cache owners knew to issue
     rcu_barrier() first to wait for the pending call_rcu()'s, and this
     is not sufficient for pending kfree_rcu()'s due to its internal
     batching optimizations. Ulad has provided a new
     kvfree_rcu_barrier() and to make the usage less error-prone,
     kmem_cache_destroy() calls it. Additionally, destroying
     SLAB_TYPESAFE_BY_RCU caches now again issues rcu_barrier()
     synchronously instead of using an async work, because the past
     motivation for async work no longer applies. Users of custom
     call_rcu() callbacks should however keep calling rcu_barrier()
     before cache destruction.

   - Debugging use-after-free in SLAB_TYPESAFE_BY_RCU caches (Jann Horn)

     Currently, KASAN cannot catch UAFs in such caches as it is legal to
     access them within a grace period, and we only track the grace
     period when trying to free the underlying slab page. The new
     CONFIG_SLUB_RCU_DEBUG option changes the freeing of individual
     object to be RCU-delayed, after which KASAN can poison them.

   - Delayed memcg charging (Shakeel Butt)

     In some cases, the memcg is uknown at allocation time, such as
     receiving network packets in softirq context. With
     kmem_cache_charge() these may be now charged later when the user
     and its memcg is known.

   - Misc fixes and improvements (Pedro Falcato, Axel Rasmussen,
     Christoph Lameter, Yan Zhen, Peng Fan, Xavier)"

* tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: (34 commits)
  mm, slab: restore kerneldoc for kmem_cache_create()
  io_uring: port to struct kmem_cache_args
  slab: make __kmem_cache_create() static inline
  slab: make kmem_cache_create_usercopy() static inline
  slab: remove kmem_cache_create_rcu()
  file: port to struct kmem_cache_args
  slab: create kmem_cache_create() compatibility layer
  slab: port KMEM_CACHE_USERCOPY() to struct kmem_cache_args
  slab: port KMEM_CACHE() to struct kmem_cache_args
  slab: remove rcu_freeptr_offset from struct kmem_cache
  slab: pass struct kmem_cache_args to do_kmem_cache_create()
  slab: pull kmem_cache_open() into do_kmem_cache_create()
  slab: pass struct kmem_cache_args to create_cache()
  slab: port kmem_cache_create_usercopy() to struct kmem_cache_args
  slab: port kmem_cache_create_rcu() to struct kmem_cache_args
  slab: port kmem_cache_create() to struct kmem_cache_args
  slab: add struct kmem_cache_args
  slab: s/__kmem_cache_create/do_kmem_cache_create/g
  memcg: add charging of already allocated slab objects
  mm/slab: Optimize the code logic in find_mergeable()
  ...
 2024-09-18 08:53:53 +02:00
Linus Torvalds
efdfcd40ad lkmm: Add documentation and mailing list 
This pull request contains documentation updates from Andrea Parri and
 Akira Yokosawa.  Also, there is now an lkmm@lists.linux.dev, and Boqun
 Feng's update adds this to the LKMM MAINTAINERS entry.
 
 Not included in this pull request are a couple of more commits from
 Puranjay Mohan adding more atomic operations to LKMM, but these await a
 herdtools7 release that includes tool-side support for this functionality.
 With luck, I will send a separate pull request for these later in the
 merge window.
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Merge tag 'lkmm.2024.09.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull memory model doc updates from Paul McKenney:
 "lkmm: Add documentation and mailing list

  This contains documentation updates from Andrea Parri and Akira
  Yokosawa. Also, there is now an lkmm@lists.linux.dev, and Boqun Feng's
  update adds this to the LKMM MAINTAINERS entry.

  Not included are a couple of more commits from Puranjay Mohan adding
  more atomic operations to LKMM, but these await a herdtools7 release
  that includes tool-side support for this functionality. With luck, I
  will send a separate pull request for these later in the merge window"

* tag 'lkmm.2024.09.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  MAINTAINERS: Add the dedicated maillist info for LKMM
  docs/memory-barriers.txt: Remove left-over references to "CACHE COHERENCY"
  tools/memory-model: simple.txt: Fix stale reference to recipes-pairs.txt
  tools/memory-model: Add locking.txt and glossary.txt to README
  tools/memory-model: Document herd7 (abstract) representation
 2024-09-18 08:34:45 +02:00