Commit Graph

1206821 Commits

Author SHA1 Message Date
Linus Torvalds
1a35914f73 integrity-v6.6
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Merge tag 'integrity-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity subsystem updates from Mimi Zohar:

 - With commit 099f26f22f ("integrity: machine keyring CA
   configuration") certificates may be loaded onto the IMA keyring,
   directly or indirectly signed by keys on either the "builtin" or the
   "machine" keyrings.

   With the ability for the system/machine owner to sign the IMA policy
   itself without needing to recompile the kernel, update the IMA
   architecture specific policy rules to require the IMA policy itself
   be signed.

   [ As commit 099f26f22f was upstreamed in linux-6.4, updating the
     IMA architecture specific policy now to require signed IMA policies
     may break userspace expectations. ]

 - IMA only checked the file data hash was not on the system blacklist
   keyring for files with an appended signature (e.g. kernel modules,
   Power kernel image).

   Check all file data hashes regardless of how it was signed

 - Code cleanup, and a kernel-doc update

* tag 'integrity-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  kexec_lock: Replace kexec_mutex() by kexec_lock() in two comments
  ima: require signed IMA policy when UEFI secure boot is enabled
  integrity: Always reference the blacklist keyring with appraisal
  ima: Remove deprecated IMA_TRUSTED_KEYRING Kconfig
2023-08-30 09:16:56 -07:00
Linus Torvalds
1086eeac9c lsm/stable-6.6 PR 20230829
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Merge tag 'lsm-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull LSM updates from Paul Moore:

 - Add proper multi-LSM support for xattrs in the
   security_inode_init_security() hook

   Historically the LSM layer has only allowed a single LSM to add an
   xattr to an inode, with IMA/EVM measuring that and adding its own as
   well. As we work towards promoting IMA/EVM to a "proper LSM" instead
   of the special case that it is now, we need to better support the
   case of multiple LSMs each adding xattrs to an inode and after
   several attempts we now appear to have something that is working
   well. It is worth noting that in the process of making this change we
   uncovered a problem with Smack's SMACK64TRANSMUTE xattr which is also
   fixed in this pull request.

 - Additional LSM hook constification

   Two patches to constify parameters to security_capget() and
   security_binder_transfer_file(). While I generally don't make a
   special note of who submitted these patches, these were the work of
   an Outreachy intern, Khadija Kamran, and that makes me happy;
   hopefully it does the same for all of you reading this.

 - LSM hook comment header fixes

   One patch to add a missing hook comment header, one to fix a minor
   typo.

 - Remove an old, unused credential function declaration

   It wasn't clear to me who should pick this up, but it was trivial,
   obviously correct, and arguably the LSM layer has a vested interest
   in credentials so I merged it. Sadly I'm now noticing that despite my
   subject line cleanup I didn't cleanup the "unsued" misspelling, sigh

* tag 'lsm-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
  lsm: constify the 'file' parameter in security_binder_transfer_file()
  lsm: constify the 'target' parameter in security_capget()
  lsm: add comment block for security_sk_classify_flow LSM hook
  security: Fix ret values doc for security_inode_init_security()
  cred: remove unsued extern declaration change_create_files_as()
  evm: Support multiple LSMs providing an xattr
  evm: Align evm_inode_init_security() definition with LSM infrastructure
  smack: Set the SMACK64TRANSMUTE xattr in smack_inode_init_security()
  security: Allow all LSMs to provide xattrs for inode_init_security hook
  lsm: fix typo in security_file_lock() comment header
2023-08-30 09:07:09 -07:00
Linus Torvalds
1dbae18987 selinux/stable-6.6 PR 20230829
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Merge tag 'selinux-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "Thirty three SELinux patches, which is a pretty big number for us, but
  there isn't really anything scary in here; in fact we actually manage
  to remove 10 lines of code with this :)

   - Promote the SELinux DEBUG_HASHES macro to CONFIG_SECURITY_SELINUX_DEBUG

     The DEBUG_HASHES macro was a buried SELinux specific preprocessor
     debug macro that was a problem waiting to happen. Promoting the
     debug macro to a proper Kconfig setting should help both improve
     the visibility of the feature as well enable improved test
     coverage. We've moved some additional debug functions under the
     CONFIG_SECURITY_SELINUX_DEBUG flag and we may see more work in the
     future.

   - Emit a pr_notice() message if virtual memory is executable by default

     As this impacts the SELinux access control policy enforcement, if
     the system's configuration is such that virtual memory is
     executable by default we print a single line notice to the console.

   - Drop avtab_search() in favor of avtab_search_node()

     Both functions are nearly identical so we removed avtab_search()
     and converted the callers to avtab_search_node().

   - Add some SELinux network auditing helpers

     The helpers not only reduce a small amount of code duplication, but
     they provide an opportunity to improve UDP flood performance
     slightly by delaying initialization of the audit data in some
     cases.

   - Convert GFP_ATOMIC allocators to GFP_KERNEL when reading SELinux policy

     There were two SELinux policy load helper functions that were
     allocating memory using GFP_ATOMIC, they have been converted to
     GFP_KERNEL.

   - Quiet a KMSAN warning in selinux_inet_conn_request()

     A one-line error path (re)set patch that resolves a KMSAN warning.
     It is important to note that this doesn't represent a real bug in
     the current code, but it quiets KMSAN and arguably hardens the code
     against future changes.

   - Cleanup the policy capability accessor functions

     This is a follow-up to the patch which reverted SELinux to using a
     global selinux_state pointer. This patch cleans up some artifacts
     of that change and turns each accessor into a one-line READ_ONCE()
     call into the policy capabilities array.

   - A number of patches from Christian Göttsche

     Christian submitted almost two-thirds of the patches in this pull
     request as he worked to harden the SELinux code against type
     differences, variable overflows, etc.

   - Support for separating early userspace from the kernel in policy,
     with a later revert

     We did have a patch that added a new userspace initial SID which
     would allow SELinux to distinguish between early user processes
     created before the initial policy load and the kernel itself.

     Unfortunately additional post-merge testing revealed a problematic
     interaction with an old SELinux userspace on an old version of
     Ubuntu so we've reverted the patch until we can resolve the
     compatibility issue.

   - Remove some outdated comments dealing with LSM hook registration

     When we removed the runtime disable functionality we forgot to
     remove some old comments discussing the importance of LSM hook
     registration ordering.

   - Minor administrative changes

     Stephen Smalley updated his email address and "debranded" SELinux
     from "NSA SELinux" to simply "SELinux". We've come a long way from
     the original NSA submission and I would consider SELinux a true
     community project at this point so removing the NSA branding just
     makes sense"

* tag 'selinux-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (33 commits)
  selinux: prevent KMSAN warning in selinux_inet_conn_request()
  selinux: use unsigned iterator in nlmsgtab code
  selinux: avoid implicit conversions in policydb code
  selinux: avoid implicit conversions in selinuxfs code
  selinux: make left shifts well defined
  selinux: update type for number of class permissions in services code
  selinux: avoid implicit conversions in avtab code
  selinux: revert SECINITSID_INIT support
  selinux: use GFP_KERNEL while reading binary policy
  selinux: update comment on selinux_hooks[]
  selinux: avoid implicit conversions in services code
  selinux: avoid implicit conversions in mls code
  selinux: use identical iterator type in hashtab_duplicate()
  selinux: move debug functions into debug configuration
  selinux: log about VM being executable by default
  selinux: fix a 0/NULL mistmatch in ad_net_init_from_iif()
  selinux: introduce SECURITY_SELINUX_DEBUG configuration
  selinux: introduce and use lsm_ad_net_init*() helpers
  selinux: update my email address
  selinux: add missing newlines in pr_err() statements
  ...
2023-08-30 08:51:16 -07:00
Linus Torvalds
3ea67c4f46 audit/stable-6.6 PR 20230829
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Merge tag 'audit-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:
 "Six audit patches, the highlights are:

   - Add an explicit cond_resched() call when generating PATH records

     Certain tracefs/debugfs operations can generate a *lot* of audit
     PATH entries and if one has an aggressive system configuration (not
     the default) this can cause a soft lockup in the audit code as it
     works to process all of these new entries.

     This is in sharp contrast to the common case where only one or two
     PATH entries are logged. In order to fix this corner case without
     excessively impacting the common case we're adding a single
     cond_rescued() call between two of the most intensive loops in the
     __audit_inode_child() function.

   - Various minor cleanups

     We removed a conditional header file as the included header already
     had the necessary logic in place, fixed a dummy function's return
     value, and the usual collection of checkpatch.pl noise (whitespace,
     brace, and trailing statement tweaks)"

* tag 'audit-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: move trailing statements to next line
  audit: cleanup function braces and assignment-in-if-condition
  audit: add space before parenthesis and around '=', "==", and '<'
  audit: fix possible soft lockup in __audit_inode_child()
  audit: correct audit_filter_inodes() definition
  audit: include security.h unconditionally
2023-08-30 08:17:35 -07:00
Linus Torvalds
6c1b980a7e dma-maping updates for Linux 6.6
- allow dynamic sizing of the swiotlb buffer, to cater for secure
    virtualization workloads that require all I/O to be bounce buffered
    (Petr Tesarik)
  - move a declaration to a header (Arnd Bergmann)
  - check for memory region overlap in dma-contiguous (Binglei Wang)
  - remove the somewhat dangerous runtime swiotlb-xen enablement and
    unexport is_swiotlb_active (Christoph Hellwig, Juergen Gross)
  - per-node CMA improvements (Yajun Deng)
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Merge tag 'dma-mapping-6.6-2023-08-29' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-maping updates from Christoph Hellwig:

 - allow dynamic sizing of the swiotlb buffer, to cater for secure
   virtualization workloads that require all I/O to be bounce buffered
   (Petr Tesarik)

 - move a declaration to a header (Arnd Bergmann)

 - check for memory region overlap in dma-contiguous (Binglei Wang)

 - remove the somewhat dangerous runtime swiotlb-xen enablement and
   unexport is_swiotlb_active (Christoph Hellwig, Juergen Gross)

 - per-node CMA improvements (Yajun Deng)

* tag 'dma-mapping-6.6-2023-08-29' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: optimize get_max_slots()
  swiotlb: move slot allocation explanation comment where it belongs
  swiotlb: search the software IO TLB only if the device makes use of it
  swiotlb: allocate a new memory pool when existing pools are full
  swiotlb: determine potential physical address limit
  swiotlb: if swiotlb is full, fall back to a transient memory pool
  swiotlb: add a flag whether SWIOTLB is allowed to grow
  swiotlb: separate memory pool data from other allocator data
  swiotlb: add documentation and rename swiotlb_do_find_slots()
  swiotlb: make io_tlb_default_mem local to swiotlb.c
  swiotlb: bail out of swiotlb_init_late() if swiotlb is already allocated
  dma-contiguous: check for memory region overlap
  dma-contiguous: support numa CMA for specified node
  dma-contiguous: support per-numa CMA for all architectures
  dma-mapping: move arch_dma_set_mask() declaration to header
  swiotlb: unexport is_swiotlb_active
  x86: always initialize xen-swiotlb when xen-pcifront is enabling
  xen/pci: add flag for PCI passthrough being possible
2023-08-29 20:32:10 -07:00
Linus Torvalds
3d3dfeb3ae for-6.6/block-2023-08-28
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Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:
 "Pretty quiet round for this release. This contains:

   - Add support for zoned storage to ublk (Andreas, Ming)

   - Series improving performance for drivers that mark themselves as
     needing a blocking context for issue (Bart)

   - Cleanup the flush logic (Chengming)

   - sed opal keyring support (Greg)

   - Fixes and improvements to the integrity support (Jinyoung)

   - Add some exports for bcachefs that we can hopefully delete again in
     the future (Kent)

   - deadline throttling fix (Zhiguo)

   - Series allowing building the kernel without buffer_head support
     (Christoph)

   - Sanitize the bio page adding flow (Christoph)

   - Write back cache fixes (Christoph)

   - MD updates via Song:
      - Fix perf regression for raid0 large sequential writes (Jan)
      - Fix split bio iostat for raid0 (David)
      - Various raid1 fixes (Heinz, Xueshi)
      - raid6test build fixes (WANG)
      - Deprecate bitmap file support (Christoph)
      - Fix deadlock with md sync thread (Yu)
      - Refactor md io accounting (Yu)
      - Various non-urgent fixes (Li, Yu, Jack)

   - Various fixes and cleanups (Arnd, Azeem, Chengming, Damien, Li,
     Ming, Nitesh, Ruan, Tejun, Thomas, Xu)"

* tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux: (113 commits)
  block: use strscpy() to instead of strncpy()
  block: sed-opal: keyring support for SED keys
  block: sed-opal: Implement IOC_OPAL_REVERT_LSP
  block: sed-opal: Implement IOC_OPAL_DISCOVERY
  blk-mq: prealloc tags when increase tagset nr_hw_queues
  blk-mq: delete redundant tagset map update when fallback
  blk-mq: fix tags leak when shrink nr_hw_queues
  ublk: zoned: support REQ_OP_ZONE_RESET_ALL
  md: raid0: account for split bio in iostat accounting
  md/raid0: Fix performance regression for large sequential writes
  md/raid0: Factor out helper for mapping and submitting a bio
  md raid1: allow writebehind to work on any leg device set WriteMostly
  md/raid1: hold the barrier until handle_read_error() finishes
  md/raid1: free the r1bio before waiting for blocked rdev
  md/raid1: call free_r1bio() before allow_barrier() in raid_end_bio_io()
  blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init
  drivers/rnbd: restore sysfs interface to rnbd-client
  md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
  raid6: test: only check for Altivec if building on powerpc hosts
  raid6: test: make sure all intermediate and artifact files are .gitignored
  ...
2023-08-29 20:21:42 -07:00
Linus Torvalds
c1b7fcf3f6 for-6.6/io_uring-2023-08-28
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Merge tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux

Pull io_uring updates from Jens Axboe:
 "Fairly quiet round in terms of features, mostly just improvements all
  over the map for existing code. In detail:

   - Initial support for socket operations through io_uring. Latter half
     of this will likely land with the 6.7 kernel, then allowing things
     like get/setsockopt (Breno)

   - Cleanup of the cancel code, and then adding support for canceling
     requests with the opcode as the key (me)

   - Improvements for the io-wq locking (me)

   - Fix affinity setting for SQPOLL based io-wq (me)

   - Remove the io_uring userspace code. These were added initially as
     copies from liburing, but all of them have since bitrotted and are
     way out of date at this point. Rather than attempt to keep them in
     sync, just get rid of them. People will have liburing available
     anyway for these examples. (Pavel)

   - Series improving the CQ/SQ ring caching (Pavel)

   - Misc fixes and cleanups (Pavel, Yue, me)"

* tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux: (47 commits)
  io_uring: move iopoll ctx fields around
  io_uring: move multishot cqe cache in ctx
  io_uring: separate task_work/waiting cache line
  io_uring: banish non-hot data to end of io_ring_ctx
  io_uring: move non aligned field to the end
  io_uring: add option to remove SQ indirection
  io_uring: compact SQ/CQ heads/tails
  io_uring: force inline io_fill_cqe_req
  io_uring: merge iopoll and normal completion paths
  io_uring: reorder cqring_flush and wakeups
  io_uring: optimise extra io_get_cqe null check
  io_uring: refactor __io_get_cqe()
  io_uring: simplify big_cqe handling
  io_uring: cqe init hardening
  io_uring: improve cqe !tracing hot path
  io_uring/rsrc: Annotate struct io_mapped_ubuf with __counted_by
  io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used
  io_uring: simplify io_run_task_work_sig return
  io_uring/rsrc: keep one global dummy_ubuf
  io_uring: never overflow io_aux_cqe
  ...
2023-08-29 20:11:33 -07:00
Linus Torvalds
adfd671676 sysctl-6.6-rc1
Long ago we set out to remove the kitchen sink on kernel/sysctl.c arrays and
 placings sysctls to their own sybsystem or file to help avoid merge conflicts.
 Matthew Wilcox pointed out though that if we're going to do that we might as
 well also *save* space while at it and try to remove the extra last sysctl
 entry added at the end of each array, a sentintel, instead of bloating the
 kernel by adding a new sentinel with each array moved.
 
 Doing that was not so trivial, and has required slowing down the moves of
 kernel/sysctl.c arrays and measuring the impact on size by each new move.
 
 The complex part of the effort to help reduce the size of each sysctl is being
 done by the patient work of el señor Don Joel Granados. A lot of this is truly
 painful code refactoring and testing and then trying to measure the savings of
 each move and removing the sentinels. Although Joel already has code which does
 most of this work, experience with sysctl moves in the past shows is we need to
 be careful due to the slew of odd build failures that are possible due to the
 amount of random Kconfig options sysctls use.
 
 To that end Joel's work is split by first addressing the major housekeeping
 needed to remove the sentinels, which is part of this merge request. The rest
 of the work to actually remove the sentinels will be done later in future
 kernel releases.
 
 At first I was only going to send his first 7 patches of his patch series,
 posted 1 month ago, but in retrospect due to the testing the changes have
 received in linux-next and the minor changes they make this goes with the
 entire set of patches Joel had planned: just sysctl house keeping. There are
 networking changes but these are part of the house keeping too.
 
 The preliminary math is showing this will all help reduce the overall build
 time size of the kernel and run time memory consumed by the kernel by about
 ~64 bytes per array where we are able to remove each sentinel in the future.
 That also means there is no more bloating the kernel with the extra ~64 bytes
 per array moved as no new sentinels are created.
 
 Most of this has been in linux-next for about a month, the last 7 patches took
 a minor refresh 2 week ago based on feedback.
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Merge tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull sysctl updates from Luis Chamberlain:
 "Long ago we set out to remove the kitchen sink on kernel/sysctl.c
  arrays and placings sysctls to their own sybsystem or file to help
  avoid merge conflicts. Matthew Wilcox pointed out though that if we're
  going to do that we might as well also *save* space while at it and
  try to remove the extra last sysctl entry added at the end of each
  array, a sentintel, instead of bloating the kernel by adding a new
  sentinel with each array moved.

  Doing that was not so trivial, and has required slowing down the moves
  of kernel/sysctl.c arrays and measuring the impact on size by each new
  move.

  The complex part of the effort to help reduce the size of each sysctl
  is being done by the patient work of el señor Don Joel Granados. A lot
  of this is truly painful code refactoring and testing and then trying
  to measure the savings of each move and removing the sentinels.
  Although Joel already has code which does most of this work,
  experience with sysctl moves in the past shows is we need to be
  careful due to the slew of odd build failures that are possible due to
  the amount of random Kconfig options sysctls use.

  To that end Joel's work is split by first addressing the major
  housekeeping needed to remove the sentinels, which is part of this
  merge request. The rest of the work to actually remove the sentinels
  will be done later in future kernel releases.

  The preliminary math is showing this will all help reduce the overall
  build time size of the kernel and run time memory consumed by the
  kernel by about ~64 bytes per array where we are able to remove each
  sentinel in the future. That also means there is no more bloating the
  kernel with the extra ~64 bytes per array moved as no new sentinels
  are created"

* tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  sysctl: Use ctl_table_size as stopping criteria for list macro
  sysctl: SIZE_MAX->ARRAY_SIZE in register_net_sysctl
  vrf: Update to register_net_sysctl_sz
  networking: Update to register_net_sysctl_sz
  netfilter: Update to register_net_sysctl_sz
  ax.25: Update to register_net_sysctl_sz
  sysctl: Add size to register_net_sysctl function
  sysctl: Add size arg to __register_sysctl_init
  sysctl: Add size to register_sysctl
  sysctl: Add a size arg to __register_sysctl_table
  sysctl: Add size argument to init_header
  sysctl: Add ctl_table_size to ctl_table_header
  sysctl: Use ctl_table_header in list_for_each_table_entry
  sysctl: Prefer ctl_table_header in proc_sysctl
2023-08-29 17:39:15 -07:00
Linus Torvalds
daa22f5a78 Modules changes for v6.6-rc1
Summary of the changes worth highlighting from most interesting to boring below:
 
   * Christoph Hellwig's symbol_get() fix to Nvidia's efforts to circumvent the
     protection he put in place in year 2020 to prevent proprietary modules from
     using GPL only symbols, and also ensuring proprietary modules which export
     symbols grandfather their taint. That was done through year 2020 commit
     262e6ae708 ("modules: inherit TAINT_PROPRIETARY_MODULE"). Christoph's new
     fix is done by clarifing __symbol_get() was only ever intended to prevent
     module reference loops by Linux kernel modules and so making it only find
     symbols exported via EXPORT_SYMBOL_GPL(). The circumvention tactic used
     by Nvidia was to use symbol_get() to purposely swift through proprietary
     module symbols and completley bypass our traditional EXPORT_SYMBOL*()
     annotations and community agreed upon restrictions.
 
     A small set of preamble patches fix up a few symbols which just needed
     adjusting for this on two modules, the rtc ds1685 and the networking enetc
     module. Two other modules just needed some build fixing and removal of use
     of __symbol_get() as they can't ever be modular, as was done by Arnd on
     the ARM pxa module and Christoph did on the mmc au1xmmc driver.
 
     This is a good reminder to us that symbol_get() is just a hack to address
     things which should be fixed through Kconfig at build time as was done in
     the later patches, and so ultimately it should just go.
 
   * Extremely late minor fix for old module layout 055f23b74b ("module: check
     for exit sections in layout_sections() instead of module_init_section()") by
     James Morse for arm64. Note that this layout thing is old, it is *not*
     Song Liu's commit ac3b432839 ("module: replace module_layout with
     module_memory"). The issue however is very odd to run into and so there was
     no hurry to get this in fast.
 
   * Although the fix did not go through the modules tree I'd like to highlight
     the fix by Peter Zijlstra in commit 5409730962 ("x86/static_call: Fix
     __static_call_fixup()") now merged in your tree which came out of what
     was originally suspected to be a fallout of the the newer module layout
     changes by Song Liu commit ac3b432839 ("module: replace module_layout
     with module_memory") instead of module_init_section()"). Thanks to the report
     by Christian Bricart and the debugging by Song Liu & Peter that turned to
     be noted as a kernel regression in place since v5.19 through commit
     ee88d363d1 ("x86,static_call: Use alternative RET encoding").
 
     I highlight this to reflect and clarify that we haven't seen more fallout
     from ac3b432839 ("module: replace module_layout with module_memory").
 
   * RISC-V toolchain got mapping symbol support which prefix symbols with "$"
     to help with alignment considerations for disassembly. This is used to
     differentiate between incompatible instruction encodings when disassembling.
     RISC-V just matches what ARM/AARCH64 did for alignment considerations and
     Palmer Dabbelt extended is_mapping_symbol() to accept these symbols for
     RISC-V. We already had support for this for all architectures but it also
     checked for the second character, the RISC-V check Dabbelt added was just
     for the "$". After a bit of testing and fallout on linux-next and based on
     feedback from Masahiro Yamada it was decided to simplify the check and treat
     the first char "$" as unique for all architectures, and so we no make
     is_mapping_symbol() for all archs if the symbol starts with "$".
 
     The most relevant commit for this for RISC-V on binutils was:
 
     https://sourceware.org/pipermail/binutils/2021-July/117350.html
 
   * A late fix by Andrea Righi (today) to make module zstd decompression use
     vmalloc() instead of kmalloc() to account for large compressed modules. I
     suspect we'll see similar things for other decompression algorithms soon.
 
   * samples/hw_breakpoint minor fixes by Rong Tao, Arnd Bergmann and Chen Jiahao
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Merge tag 'modules-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull modules updates from Luis Chamberlain:
 "Summary of the changes worth highlighting from most interesting to
  boring below:

   - Christoph Hellwig's symbol_get() fix to Nvidia's efforts to
     circumvent the protection he put in place in year 2020 to prevent
     proprietary modules from using GPL only symbols, and also ensuring
     proprietary modules which export symbols grandfather their taint.

     That was done through year 2020 commit 262e6ae708 ("modules:
     inherit TAINT_PROPRIETARY_MODULE"). Christoph's new fix is done by
     clarifing __symbol_get() was only ever intended to prevent module
     reference loops by Linux kernel modules and so making it only find
     symbols exported via EXPORT_SYMBOL_GPL(). The circumvention tactic
     used by Nvidia was to use symbol_get() to purposely swift through
     proprietary module symbols and completely bypass our traditional
     EXPORT_SYMBOL*() annotations and community agreed upon
     restrictions.

     A small set of preamble patches fix up a few symbols which just
     needed adjusting for this on two modules, the rtc ds1685 and the
     networking enetc module. Two other modules just needed some build
     fixing and removal of use of __symbol_get() as they can't ever be
     modular, as was done by Arnd on the ARM pxa module and Christoph
     did on the mmc au1xmmc driver.

     This is a good reminder to us that symbol_get() is just a hack to
     address things which should be fixed through Kconfig at build time
     as was done in the later patches, and so ultimately it should just
     go.

   - Extremely late minor fix for old module layout 055f23b74b
     ("module: check for exit sections in layout_sections() instead of
     module_init_section()") by James Morse for arm64. Note that this
     layout thing is old, it is *not* Song Liu's commit ac3b432839
     ("module: replace module_layout with module_memory"). The issue
     however is very odd to run into and so there was no hurry to get
     this in fast.

   - Although the fix did not go through the modules tree I'd like to
     highlight the fix by Peter Zijlstra in commit 5409730962
     ("x86/static_call: Fix __static_call_fixup()") now merged in your
     tree which came out of what was originally suspected to be a
     fallout of the the newer module layout changes by Song Liu commit
     ac3b432839 ("module: replace module_layout with module_memory")
     instead of module_init_section()"). Thanks to the report by
     Christian Bricart and the debugging by Song Liu & Peter that turned
     to be noted as a kernel regression in place since v5.19 through
     commit ee88d363d1 ("x86,static_call: Use alternative RET
     encoding").

     I highlight this to reflect and clarify that we haven't seen more
     fallout from ac3b432839 ("module: replace module_layout with
     module_memory").

   - RISC-V toolchain got mapping symbol support which prefix symbols
     with "$" to help with alignment considerations for disassembly.

     This is used to differentiate between incompatible instruction
     encodings when disassembling. RISC-V just matches what ARM/AARCH64
     did for alignment considerations and Palmer Dabbelt extended
     is_mapping_symbol() to accept these symbols for RISC-V. We already
     had support for this for all architectures but it also checked for
     the second character, the RISC-V check Dabbelt added was just for
     the "$". After a bit of testing and fallout on linux-next and based
     on feedback from Masahiro Yamada it was decided to simplify the
     check and treat the first char "$" as unique for all architectures,
     and so we no make is_mapping_symbol() for all archs if the symbol
     starts with "$".

     The most relevant commit for this for RISC-V on binutils was:

       https://sourceware.org/pipermail/binutils/2021-July/117350.html

   - A late fix by Andrea Righi (today) to make module zstd
     decompression use vmalloc() instead of kmalloc() to account for
     large compressed modules. I suspect we'll see similar things for
     other decompression algorithms soon.

   - samples/hw_breakpoint minor fixes by Rong Tao, Arnd Bergmann and
     Chen Jiahao"

* tag 'modules-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  module/decompress: use vmalloc() for zstd decompression workspace
  kallsyms: Add more debug output for selftest
  ARM: module: Use module_init_layout_section() to spot init sections
  arm64: module: Use module_init_layout_section() to spot init sections
  module: Expose module_init_layout_section()
  modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules
  rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc_poweroff
  net: enetc: use EXPORT_SYMBOL_GPL for enetc_phc_index
  mmc: au1xmmc: force non-modular build and remove symbol_get usage
  ARM: pxa: remove use of symbol_get()
  samples/hw_breakpoint: mark sample_hbp as static
  samples/hw_breakpoint: fix building without module unloading
  samples/hw_breakpoint: Fix kernel BUG 'invalid opcode: 0000'
  modpost, kallsyms: Treat add '$'-prefixed symbols as mapping symbols
  kernel: params: Remove unnecessary ‘0’ values from err
  module: Ignore RISC-V mapping symbols too
2023-08-29 17:32:32 -07:00
Linus Torvalds
d68b4b6f30 - An extensive rework of kexec and crash Kconfig from Eric DeVolder
("refactor Kconfig to consolidate KEXEC and CRASH options").
 
 - kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
   couple of macros to args.h").
 
 - gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
   commands").
 
 - vsprintf inclusion rationalization from Andy Shevchenko
   ("lib/vsprintf: Rework header inclusions").
 
 - Switch the handling of kdump from a udev scheme to in-kernel handling,
   by Eric DeVolder ("crash: Kernel handling of CPU and memory hot
   un/plug").
 
 - Many singleton patches to various parts of the tree
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Merge tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - An extensive rework of kexec and crash Kconfig from Eric DeVolder
   ("refactor Kconfig to consolidate KEXEC and CRASH options")

 - kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
   couple of macros to args.h")

 - gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
   commands")

 - vsprintf inclusion rationalization from Andy Shevchenko
   ("lib/vsprintf: Rework header inclusions")

 - Switch the handling of kdump from a udev scheme to in-kernel
   handling, by Eric DeVolder ("crash: Kernel handling of CPU and memory
   hot un/plug")

 - Many singleton patches to various parts of the tree

* tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (81 commits)
  document while_each_thread(), change first_tid() to use for_each_thread()
  drivers/char/mem.c: shrink character device's devlist[] array
  x86/crash: optimize CPU changes
  crash: change crash_prepare_elf64_headers() to for_each_possible_cpu()
  crash: hotplug support for kexec_load()
  x86/crash: add x86 crash hotplug support
  crash: memory and CPU hotplug sysfs attributes
  kexec: exclude elfcorehdr from the segment digest
  crash: add generic infrastructure for crash hotplug support
  crash: move a few code bits to setup support of crash hotplug
  kstrtox: consistently use _tolower()
  kill do_each_thread()
  nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse
  scripts/bloat-o-meter: count weak symbol sizes
  treewide: drop CONFIG_EMBEDDED
  lockdep: fix static memory detection even more
  lib/vsprintf: declare no_hash_pointers in sprintf.h
  lib/vsprintf: split out sprintf() and friends
  kernel/fork: stop playing lockless games for exe_file replacement
  adfs: delete unused "union adfs_dirtail" definition
  ...
2023-08-29 14:53:51 -07:00
Linus Torvalds
b96a3e9142 - Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
   reduces the special-case code for handling hugetlb pages in GUP.  It
   also speeds up GUP handling of transparent hugepages.
 
 - Peng Zhang provides some maple tree speedups ("Optimize the fast path
   of mas_store()").
 
 - Sergey Senozhatsky has improved te performance of zsmalloc during
   compaction (zsmalloc: small compaction improvements").
 
 - Domenico Cerasuolo has developed additional selftest code for zswap
   ("selftests: cgroup: add zswap test program").
 
 - xu xin has doe some work on KSM's handling of zero pages.  These
   changes are mainly to enable the user to better understand the
   effectiveness of KSM's treatment of zero pages ("ksm: support tracking
   KSM-placed zero-pages").
 
 - Jeff Xu has fixes the behaviour of memfd's
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
 
 - David Howells has fixed an fscache optimization ("mm, netfs, fscache:
   Stop read optimisation when folio removed from pagecache").
 
 - Axel Rasmussen has given userfaultfd the ability to simulate memory
   poisoning ("add UFFDIO_POISON to simulate memory poisoning with UFFD").
 
 - Miaohe Lin has contributed some routine maintenance work on the
   memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
   check").
 
 - Peng Zhang has contributed some maintenance work on the maple tree
   code ("Improve the validation for maple tree and some cleanup").
 
 - Hugh Dickins has optimized the collapsing of shmem or file pages into
   THPs ("mm: free retracted page table by RCU").
 
 - Jiaqi Yan has a patch series which permits us to use the healthy
   subpages within a hardware poisoned huge page for general purposes
   ("Improve hugetlbfs read on HWPOISON hugepages").
 
 - Kemeng Shi has done some maintenance work on the pagetable-check code
   ("Remove unused parameters in page_table_check").
 
 - More folioification work from Matthew Wilcox ("More filesystem folio
   conversions for 6.6"), ("Followup folio conversions for zswap").  And
   from ZhangPeng ("Convert several functions in page_io.c to use a
   folio").
 
 - page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
 
 - Baoquan He has converted some architectures to use the GENERIC_IOREMAP
   ioremap()/iounmap() code ("mm: ioremap: Convert architectures to take
   GENERIC_IOREMAP way").
 
 - Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
   batched/deferred tlb shootdown during page reclamation/migration").
 
 - Better maple tree lockdep checking from Liam Howlett ("More strict
   maple tree lockdep").  Liam also developed some efficiency improvements
   ("Reduce preallocations for maple tree").
 
 - Cleanup and optimization to the secondary IOMMU TLB invalidation, from
   Alistair Popple ("Invalidate secondary IOMMU TLB on permission
   upgrade").
 
 - Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
   for arm64").
 
 - Kemeng Shi provides some maintenance work on the compaction code ("Two
   minor cleanups for compaction").
 
 - Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle most
   file-backed faults under the VMA lock").
 
 - Aneesh Kumar contributes code to use the vmemmap optimization for DAX
   on ppc64, under some circumstances ("Add support for DAX vmemmap
   optimization for ppc64").
 
 - page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
   data in page_ext"), ("minor cleanups to page_ext header").
 
 - Some zswap cleanups from Johannes Weiner ("mm: zswap: three
   cleanups").
 
 - kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
 
 - VMA handling cleanups from Kefeng Wang ("mm: convert to
   vma_is_initial_heap/stack()").
 
 - DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
   implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
   address ranges and DAMON monitoring targets").
 
 - Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
 
 - Liam Howlett has improved the maple tree node replacement code
   ("maple_tree: Change replacement strategy").
 
 - ZhangPeng has a general code cleanup - use the K() macro more widely
   ("cleanup with helper macro K()").
 
 - Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for memmap
   on memory feature on ppc64").
 
 - pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
   in page_alloc"), ("Two minor cleanups for get pageblock migratetype").
 
 - Vishal Moola introduces a memory descriptor for page table tracking,
   "struct ptdesc" ("Split ptdesc from struct page").
 
 - memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
   for vm.memfd_noexec").
 
 - MM include file rationalization from Hugh Dickins ("arch: include
   asm/cacheflush.h in asm/hugetlb.h").
 
 - THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
   output").
 
 - kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
   object_cache instead of kmemleak_initialized").
 
 - More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
   and _folio_order").
 
 - A VMA locking scalability improvement from Suren Baghdasaryan
   ("Per-VMA lock support for swap and userfaults").
 
 - pagetable handling cleanups from Matthew Wilcox ("New page table range
   API").
 
 - A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
   using page->private on tail pages for THP_SWAP + cleanups").
 
 - Cleanups and speedups to the hugetlb fault handling from Matthew
   Wilcox ("Change calling convention for ->huge_fault").
 
 - Matthew Wilcox has also done some maintenance work on the MM subsystem
   documentation ("Improve mm documentation").
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Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Some swap cleanups from Ma Wupeng ("fix WARN_ON in
   add_to_avail_list")

 - Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
   reduces the special-case code for handling hugetlb pages in GUP. It
   also speeds up GUP handling of transparent hugepages.

 - Peng Zhang provides some maple tree speedups ("Optimize the fast path
   of mas_store()").

 - Sergey Senozhatsky has improved te performance of zsmalloc during
   compaction (zsmalloc: small compaction improvements").

 - Domenico Cerasuolo has developed additional selftest code for zswap
   ("selftests: cgroup: add zswap test program").

 - xu xin has doe some work on KSM's handling of zero pages. These
   changes are mainly to enable the user to better understand the
   effectiveness of KSM's treatment of zero pages ("ksm: support
   tracking KSM-placed zero-pages").

 - Jeff Xu has fixes the behaviour of memfd's
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").

 - David Howells has fixed an fscache optimization ("mm, netfs, fscache:
   Stop read optimisation when folio removed from pagecache").

 - Axel Rasmussen has given userfaultfd the ability to simulate memory
   poisoning ("add UFFDIO_POISON to simulate memory poisoning with
   UFFD").

 - Miaohe Lin has contributed some routine maintenance work on the
   memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
   check").

 - Peng Zhang has contributed some maintenance work on the maple tree
   code ("Improve the validation for maple tree and some cleanup").

 - Hugh Dickins has optimized the collapsing of shmem or file pages into
   THPs ("mm: free retracted page table by RCU").

 - Jiaqi Yan has a patch series which permits us to use the healthy
   subpages within a hardware poisoned huge page for general purposes
   ("Improve hugetlbfs read on HWPOISON hugepages").

 - Kemeng Shi has done some maintenance work on the pagetable-check code
   ("Remove unused parameters in page_table_check").

 - More folioification work from Matthew Wilcox ("More filesystem folio
   conversions for 6.6"), ("Followup folio conversions for zswap"). And
   from ZhangPeng ("Convert several functions in page_io.c to use a
   folio").

 - page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").

 - Baoquan He has converted some architectures to use the
   GENERIC_IOREMAP ioremap()/iounmap() code ("mm: ioremap: Convert
   architectures to take GENERIC_IOREMAP way").

 - Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
   batched/deferred tlb shootdown during page reclamation/migration").

 - Better maple tree lockdep checking from Liam Howlett ("More strict
   maple tree lockdep"). Liam also developed some efficiency
   improvements ("Reduce preallocations for maple tree").

 - Cleanup and optimization to the secondary IOMMU TLB invalidation,
   from Alistair Popple ("Invalidate secondary IOMMU TLB on permission
   upgrade").

 - Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
   for arm64").

 - Kemeng Shi provides some maintenance work on the compaction code
   ("Two minor cleanups for compaction").

 - Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle
   most file-backed faults under the VMA lock").

 - Aneesh Kumar contributes code to use the vmemmap optimization for DAX
   on ppc64, under some circumstances ("Add support for DAX vmemmap
   optimization for ppc64").

 - page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
   data in page_ext"), ("minor cleanups to page_ext header").

 - Some zswap cleanups from Johannes Weiner ("mm: zswap: three
   cleanups").

 - kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").

 - VMA handling cleanups from Kefeng Wang ("mm: convert to
   vma_is_initial_heap/stack()").

 - DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
   implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
   address ranges and DAMON monitoring targets").

 - Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").

 - Liam Howlett has improved the maple tree node replacement code
   ("maple_tree: Change replacement strategy").

 - ZhangPeng has a general code cleanup - use the K() macro more widely
   ("cleanup with helper macro K()").

 - Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for
   memmap on memory feature on ppc64").

 - pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
   in page_alloc"), ("Two minor cleanups for get pageblock
   migratetype").

 - Vishal Moola introduces a memory descriptor for page table tracking,
   "struct ptdesc" ("Split ptdesc from struct page").

 - memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
   for vm.memfd_noexec").

 - MM include file rationalization from Hugh Dickins ("arch: include
   asm/cacheflush.h in asm/hugetlb.h").

 - THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
   output").

 - kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
   object_cache instead of kmemleak_initialized").

 - More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
   and _folio_order").

 - A VMA locking scalability improvement from Suren Baghdasaryan
   ("Per-VMA lock support for swap and userfaults").

 - pagetable handling cleanups from Matthew Wilcox ("New page table
   range API").

 - A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
   using page->private on tail pages for THP_SWAP + cleanups").

 - Cleanups and speedups to the hugetlb fault handling from Matthew
   Wilcox ("Change calling convention for ->huge_fault").

 - Matthew Wilcox has also done some maintenance work on the MM
   subsystem documentation ("Improve mm documentation").

* tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (489 commits)
  maple_tree: shrink struct maple_tree
  maple_tree: clean up mas_wr_append()
  secretmem: convert page_is_secretmem() to folio_is_secretmem()
  nios2: fix flush_dcache_page() for usage from irq context
  hugetlb: add documentation for vma_kernel_pagesize()
  mm: add orphaned kernel-doc to the rst files.
  mm: fix clean_record_shared_mapping_range kernel-doc
  mm: fix get_mctgt_type() kernel-doc
  mm: fix kernel-doc warning from tlb_flush_rmaps()
  mm: remove enum page_entry_size
  mm: allow ->huge_fault() to be called without the mmap_lock held
  mm: move PMD_ORDER to pgtable.h
  mm: remove checks for pte_index
  memcg: remove duplication detection for mem_cgroup_uncharge_swap
  mm/huge_memory: work on folio->swap instead of page->private when splitting folio
  mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
  mm/swap: use dedicated entry for swap in folio
  mm/swap: stop using page->private on tail pages for THP_SWAP
  selftests/mm: fix WARNING comparing pointer to 0
  selftests: cgroup: fix test_kmem_memcg_deletion kernel mem check
  ...
2023-08-29 14:25:26 -07:00
Linus Torvalds
651a00bc56 slab updates for 6.6
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Merge tag 'slab-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab updates from Vlastimil Babka:
 "This happens to be a small one (due to summer I guess), and all
  hardening related:

   - Randomized kmalloc caches, by GONG, Ruiqi.

     A new opt-in hardening feature to make heap spraying harder. It
     creates multiple (16) copies of kmalloc caches, reducing the chance
     of an attacker-controllable allocation site to land in the same
     slab as e.g. an allocation site with use-after-free vulnerability.

     The selection of the copy is derived from the allocation site
     address, including a per-boot random seed.

   - Stronger typing for hardened freelists in SLUB, by Jann Horn

     Introduces a custom type for hardened freelist entries instead of
     "void *" as those are not directly dereferencable. While reviewing
     this, I've noticed opportunities for further cleanups in that code
     and added those on top"

* tag 'slab-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  Randomized slab caches for kmalloc()
  mm/slub: remove freelist_dereference()
  mm/slub: remove redundant kasan_reset_tag() from freelist_ptr calculations
  mm/slub: refactor freelist to use custom type
2023-08-29 13:04:15 -07:00
Linus Torvalds
9d6b14cd1e flexible-array transformations for 6.6-rc1
Hi Linus,
 
 Please, pull the following flexible-array transformations. These patches
 have been baking in linux-next for a while.
 
 Thanks
 --
 Gustavo
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Merge tag 'flex-array-transformations-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull flexible-array updates from Gustavo A. R. Silva.

* tag 'flex-array-transformations-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  fs: omfs: Use flexible-array member in struct omfs_extent
  sparc: openpromio: Address -Warray-bounds warning
  reiserfs: Replace one-element array with flexible-array member
2023-08-29 12:48:12 -07:00
Linus Torvalds
eaf9f4649c arch/csky patches for 6.6
The pull request we've done:
  - Fixup compile warning
  - Fixup update_mmu_cache
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Merge tag 'csky-for-linus-6.6' of https://github.com/c-sky/csky-linux

Pull arch/csky updates from Guo Ren:

 - Fixup compile warnings

 - Fixup update_mmu_cache

* tag 'csky-for-linus-6.6' of https://github.com/c-sky/csky-linux:
  csky: Fixup -Wmissing-prototypes warning
  csky: Make pfn accessors static inlines
  csky: Cast argument to virt_to_pfn() to (void *)
  csky: pgtable: Invalidate stale I-cache lines in update_mmu_cache
  csky: fix old style declaration in module.c
2023-08-29 12:20:25 -07:00
Linus Torvalds
48d25d3826 parisc architecture fixes and enhancements for kernel v6.6-rc1:
* add eBPF JIT compiler for 32- and 64-bit kernel
 * LCD/LED driver rewrite to utilize Linux LED subsystem
 * switch to generic mmap top-down layout and brk randomization
 * kernel startup cleanup by loading most drivers via arch_initcall()
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Merge tag 'parisc-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture updates from Helge Deller:
 "PA-RISC now has a native eBPF JIT compiler for 32- and 64-bit kernels,
  the LED driver was rewritten to use the Linux LED framework and most
  of the parisc bootup code was switched to use *_initcall() functions.

  Summary:

   - add eBPF JIT compiler for 32- and 64-bit kernel

   - LCD/LED driver rewrite to utilize Linux LED subsystem

   - switch to generic mmap top-down layout and brk randomization

   - kernel startup cleanup by loading most drivers via arch_initcall()"

* tag 'parisc-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (31 commits)
  parisc: ccio-dma: Create private runway procfs root entry
  parisc: chassis: Do not overwrite string on LCD display
  parisc: led: Rewrite LED/LCD driver to utilizize Linux LED subsystem
  parisc: led: Fix LAN receive and transmit LEDs
  parisc: lasi: Initialize LASI driver via arch_initcall()
  parisc: asp: Initialize asp driver via arch_initcall()
  parisc: wax: Initialize wax driver via arch_initcall()
  parisc: iosapic: Convert I/O Sapic driver to use arch_initcall()
  parisc: sba_iommu: Convert SBA IOMMU driver to use arch_initcall()
  parisc: led: Move register_led_regions() to late_initcall()
  parisc: lba: Convert LBA PCI bus driver to use arch_initcall()
  parisc: gsc: Convert GSC bus driver to use arch_initcall()
  parisc: ccio: Convert CCIO driver to use arch_initcall()
  parisc: eisa: Convert HP EISA bus driver to use arch_initcall()
  parisc: hppb: Convert HP PB bus driver to use arch_initcall()
  parisc: dino: Convert dino PCI bus driver to use arch_initcall()
  parisc: Makefile: Adjust order in which drivers should be loaded
  parisc: led: Reduce CPU overhead for disk & lan LED computation
  parisc: Avoid ioremap() for same addresss in iosapic_register()
  parisc: unaligned: Simplify 32-bit assembly in emulate_std()
  ...
2023-08-29 12:15:19 -07:00
Linus Torvalds
468e28d4ac v6.6-vfs.super.fixes
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Merge tag 'v6.6-vfs.super.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull superblock fixes from Christian Brauner:
 "Two follow-up fixes for the super work this cycle:

   - Move a misplaced lockep assertion before we potentially free the
     object containing the lock.

   - Ensure that filesystems which match superblocks in sget{_fc}()
     based on sb->s_fs_info are guaranteed to see a valid sb->s_fs_info
     as long as a superblock still appears on the filesystem type's
     superblock list.

     What we want as a proper solution for next cycle is to split
     sb->free_sb() out of sb->kill_sb() so that we can simply call
     kill_super_notify() after sb->kill_sb() but before sb->free_sb().

     Currently, this is lumped together in sb->kill_sb()"

* tag 'v6.6-vfs.super.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  super: ensure valid info
  super: move lockdep assert
2023-08-29 11:59:37 -07:00
Linus Torvalds
bd6c11bc43 Networking changes for 6.6.
Core
 ----
 
  - Increase size limits for to-be-sent skb frag allocations. This
    allows tun, tap devices and packet sockets to better cope with large
    writes operations.
 
  - Store netdevs in an xarray, to simplify iterating over netdevs.
 
  - Refactor nexthop selection for multipath routes.
 
  - Improve sched class lifetime handling.
 
  - Add backup nexthop ID support for bridge.
 
  - Implement drop reasons support in openvswitch.
 
  - Several data races annotations and fixes.
 
  - Constify the sk parameter of routing functions.
 
  - Prepend kernel version to netconsole message.
 
 Protocols
 ---------
 
  - Implement support for TCP probing the peer being under memory
    pressure.
 
  - Remove hard coded limitation on IPv6 specific info placement
    inside the socket struct.
 
  - Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated
    per socket scaling factor.
 
  - Scaling-up the IPv6 expired route GC via a separated list of
    expiring routes.
 
  - In-kernel support for the TLS alert protocol.
 
  - Better support for UDP reuseport with connected sockets.
 
  - Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
    header size.
 
  - Get rid of additional ancillary per MPTCP connection struct socket.
 
  - Implement support for BPF-based MPTCP packet schedulers.
 
  - Format MPTCP subtests selftests results in TAP.
 
  - Several new SMC 2.1 features including unique experimental options,
    max connections per lgr negotiation, max links per lgr negotiation.
 
 BPF
 ---
 
  - Multi-buffer support in AF_XDP.
 
  - Add multi uprobe BPF links for attaching multiple uprobes
    and usdt probes, which is significantly faster and saves extra fds.
 
  - Implement an fd-based tc BPF attach API (TCX) and BPF link support on
    top of it.
 
  - Add SO_REUSEPORT support for TC bpf_sk_assign.
 
  - Support new instructions from cpu v4 to simplify the generated code and
    feature completeness, for x86, arm64, riscv64.
 
  - Support defragmenting IPv(4|6) packets in BPF.
 
  - Teach verifier actual bounds of bpf_get_smp_processor_id()
    and fix perf+libbpf issue related to custom section handling.
 
  - Introduce bpf map element count and enable it for all program types.
 
  - Add a BPF hook in sys_socket() to change the protocol ID
    from IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy.
 
  - Introduce bpf_me_mcache_free_rcu() and fix OOM under stress.
 
  - Add uprobe support for the bpf_get_func_ip helper.
 
  - Check skb ownership against full socket.
 
  - Support for up to 12 arguments in BPF trampoline.
 
  - Extend link_info for kprobe_multi and perf_event links.
 
 Netfilter
 ---------
 
  - Speed-up process exit by aborting ruleset validation if a
    fatal signal is pending.
 
  - Allow NLA_POLICY_MASK to be used with BE16/BE32 types.
 
 Driver API
 ----------
 
  - Page pool optimizations, to improve data locality and cache usage.
 
  - Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the need
    for raw ioctl() handling in drivers.
 
  - Simplify genetlink dump operations (doit/dumpit) providing them
    the common information already populated in struct genl_info.
 
  - Extend and use the yaml devlink specs to [re]generate the split ops.
 
  - Introduce devlink selective dumps, to allow SF filtering SF based on
    handle and other attributes.
 
  - Add yaml netlink spec for netlink-raw families, allow route, link and
    address related queries via the ynl tool.
 
  - Remove phylink legacy mode support.
 
  - Support offload LED blinking to phy.
 
  - Add devlink port function attributes for IPsec.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - Broadcom ASP 2.0 (72165) ethernet controller
    - MediaTek MT7988 SoC
    - Texas Instruments AM654 SoC
    - Texas Instruments IEP driver
    - Atheros qca8081 phy
    - Marvell 88Q2110 phy
    - NXP TJA1120 phy
 
  - WiFi:
    - MediaTek mt7981 support
 
  - Can:
    - Kvaser SmartFusion2 PCI Express devices
    - Allwinner T113 controllers
    - Texas Instruments tcan4552/4553 chips
 
  - Bluetooth:
    - Intel Gale Peak
    - Qualcomm WCN3988 and WCN7850
    - NXP AW693 and IW624
    - Mediatek MT2925
 
 Drivers
 -------
 
  - Ethernet NICs:
    - nVidia/Mellanox:
      - mlx5:
        - support UDP encapsulation in packet offload mode
        - IPsec packet offload support in eswitch mode
        - improve aRFS observability by adding new set of counters
        - extends MACsec offload support to cover RoCE traffic
        - dynamic completion EQs
      - mlx4:
        - convert to use auxiliary bus instead of custom interface logic
    - Intel
      - ice:
        - implement switchdev bridge offload, even for LAG interfaces
        - implement SRIOV support for LAG interfaces
      - igc:
        - add support for multiple in-flight TX timestamps
    - Broadcom:
      - bnxt:
        - use the unified RX page pool buffers for XDP and non-XDP
        - use the NAPI skb allocation cache
    - OcteonTX2:
      - support Round Robin scheduling HTB offload
      - TC flower offload support for SPI field
    - Freescale:
      -  add XDP_TX feature support
    - AMD:
      - ionic: add support for PCI FLR event
      - sfc:
        - basic conntrack offload
        - introduce eth, ipv4 and ipv6 pedit offloads
    - ST Microelectronics:
      - stmmac: maximze PTP timestamping resolution
 
  - Virtual NICs:
    - Microsoft vNIC:
      - batch ringing RX queue doorbell on receiving packets
      - add page pool for RX buffers
    - Virtio vNIC:
      - add per queue interrupt coalescing support
    - Google vNIC:
      - add queue-page-list mode support
 
  - Ethernet high-speed switches:
    - nVidia/Mellanox (mlxsw):
      - add port range matching tc-flower offload
      - permit enslavement to netdevices with uppers
 
  - Ethernet embedded switches:
    - Marvell (mv88e6xxx):
      - convert to phylink_pcs
    - Renesas:
      - r8A779fx: add speed change support
      - rzn1: enables vlan support
 
  - Ethernet PHYs:
    - convert mv88e6xxx to phylink_pcs
 
  - WiFi:
    - Qualcomm Wi-Fi 7 (ath12k):
      - extremely High Throughput (EHT) PHY support
    - RealTek (rtl8xxxu):
      - enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
        RTL8192EU and RTL8723BU
    - RealTek (rtw89):
      - Introduce Time Averaged SAR (TAS) support
 
  - Connector:
    - support for event filtering
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Paolo Abeni:
 "Core:

   - Increase size limits for to-be-sent skb frag allocations. This
     allows tun, tap devices and packet sockets to better cope with
     large writes operations

   - Store netdevs in an xarray, to simplify iterating over netdevs

   - Refactor nexthop selection for multipath routes

   - Improve sched class lifetime handling

   - Add backup nexthop ID support for bridge

   - Implement drop reasons support in openvswitch

   - Several data races annotations and fixes

   - Constify the sk parameter of routing functions

   - Prepend kernel version to netconsole message

  Protocols:

   - Implement support for TCP probing the peer being under memory
     pressure

   - Remove hard coded limitation on IPv6 specific info placement inside
     the socket struct

   - Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated per
     socket scaling factor

   - Scaling-up the IPv6 expired route GC via a separated list of
     expiring routes

   - In-kernel support for the TLS alert protocol

   - Better support for UDP reuseport with connected sockets

   - Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
     header size

   - Get rid of additional ancillary per MPTCP connection struct socket

   - Implement support for BPF-based MPTCP packet schedulers

   - Format MPTCP subtests selftests results in TAP

   - Several new SMC 2.1 features including unique experimental options,
     max connections per lgr negotiation, max links per lgr negotiation

  BPF:

   - Multi-buffer support in AF_XDP

   - Add multi uprobe BPF links for attaching multiple uprobes and usdt
     probes, which is significantly faster and saves extra fds

   - Implement an fd-based tc BPF attach API (TCX) and BPF link support
     on top of it

   - Add SO_REUSEPORT support for TC bpf_sk_assign

   - Support new instructions from cpu v4 to simplify the generated code
     and feature completeness, for x86, arm64, riscv64

   - Support defragmenting IPv(4|6) packets in BPF

   - Teach verifier actual bounds of bpf_get_smp_processor_id() and fix
     perf+libbpf issue related to custom section handling

   - Introduce bpf map element count and enable it for all program types

   - Add a BPF hook in sys_socket() to change the protocol ID from
     IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy

   - Introduce bpf_me_mcache_free_rcu() and fix OOM under stress

   - Add uprobe support for the bpf_get_func_ip helper

   - Check skb ownership against full socket

   - Support for up to 12 arguments in BPF trampoline

   - Extend link_info for kprobe_multi and perf_event links

  Netfilter:

   - Speed-up process exit by aborting ruleset validation if a fatal
     signal is pending

   - Allow NLA_POLICY_MASK to be used with BE16/BE32 types

  Driver API:

   - Page pool optimizations, to improve data locality and cache usage

   - Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the
     need for raw ioctl() handling in drivers

   - Simplify genetlink dump operations (doit/dumpit) providing them the
     common information already populated in struct genl_info

   - Extend and use the yaml devlink specs to [re]generate the split ops

   - Introduce devlink selective dumps, to allow SF filtering SF based
     on handle and other attributes

   - Add yaml netlink spec for netlink-raw families, allow route, link
     and address related queries via the ynl tool

   - Remove phylink legacy mode support

   - Support offload LED blinking to phy

   - Add devlink port function attributes for IPsec

  New hardware / drivers:

   - Ethernet:
      - Broadcom ASP 2.0 (72165) ethernet controller
      - MediaTek MT7988 SoC
      - Texas Instruments AM654 SoC
      - Texas Instruments IEP driver
      - Atheros qca8081 phy
      - Marvell 88Q2110 phy
      - NXP TJA1120 phy

   - WiFi:
      - MediaTek mt7981 support

   - Can:
      - Kvaser SmartFusion2 PCI Express devices
      - Allwinner T113 controllers
      - Texas Instruments tcan4552/4553 chips

   - Bluetooth:
      - Intel Gale Peak
      - Qualcomm WCN3988 and WCN7850
      - NXP AW693 and IW624
      - Mediatek MT2925

  Drivers:

   - Ethernet NICs:
      - nVidia/Mellanox:
         - mlx5:
            - support UDP encapsulation in packet offload mode
            - IPsec packet offload support in eswitch mode
            - improve aRFS observability by adding new set of counters
            - extends MACsec offload support to cover RoCE traffic
            - dynamic completion EQs
         - mlx4:
            - convert to use auxiliary bus instead of custom interface
              logic
      - Intel
         - ice:
            - implement switchdev bridge offload, even for LAG
              interfaces
            - implement SRIOV support for LAG interfaces
         - igc:
            - add support for multiple in-flight TX timestamps
      - Broadcom:
         - bnxt:
            - use the unified RX page pool buffers for XDP and non-XDP
            - use the NAPI skb allocation cache
      - OcteonTX2:
         - support Round Robin scheduling HTB offload
         - TC flower offload support for SPI field
      - Freescale:
         - add XDP_TX feature support
      - AMD:
         - ionic: add support for PCI FLR event
         - sfc:
            - basic conntrack offload
            - introduce eth, ipv4 and ipv6 pedit offloads
      - ST Microelectronics:
         - stmmac: maximze PTP timestamping resolution

   - Virtual NICs:
      - Microsoft vNIC:
         - batch ringing RX queue doorbell on receiving packets
         - add page pool for RX buffers
      - Virtio vNIC:
         - add per queue interrupt coalescing support
      - Google vNIC:
         - add queue-page-list mode support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add port range matching tc-flower offload
         - permit enslavement to netdevices with uppers

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - convert to phylink_pcs
      - Renesas:
         - r8A779fx: add speed change support
         - rzn1: enables vlan support

   - Ethernet PHYs:
      - convert mv88e6xxx to phylink_pcs

   - WiFi:
      - Qualcomm Wi-Fi 7 (ath12k):
         - extremely High Throughput (EHT) PHY support
      - RealTek (rtl8xxxu):
         - enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
           RTL8192EU and RTL8723BU
      - RealTek (rtw89):
         - Introduce Time Averaged SAR (TAS) support

   - Connector:
      - support for event filtering"

* tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1806 commits)
  net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show
  net: ethernet: mtk_wed: add some more info in wed_txinfo_show handler
  net: stmmac: clarify difference between "interface" and "phy_interface"
  r8152: add vendor/device ID pair for D-Link DUB-E250
  devlink: move devlink_notify_register/unregister() to dev.c
  devlink: move small_ops definition into netlink.c
  devlink: move tracepoint definitions into core.c
  devlink: push linecard related code into separate file
  devlink: push rate related code into separate file
  devlink: push trap related code into separate file
  devlink: use tracepoint_enabled() helper
  devlink: push region related code into separate file
  devlink: push param related code into separate file
  devlink: push resource related code into separate file
  devlink: push dpipe related code into separate file
  devlink: move and rename devlink_dpipe_send_and_alloc_skb() helper
  devlink: push shared buffer related code into separate file
  devlink: push port related code into separate file
  devlink: push object register/unregister notifications into separate helpers
  inet: fix IP_TRANSPARENT error handling
  ...
2023-08-29 11:33:01 -07:00
Linus Torvalds
68cf01760b This update includes the following changes:
API:
 
 - Move crypto engine callback from tfm ctx into algorithm object.
 - Fix atomic sleep bug in crypto_destroy_instance.
 - Move lib/mpi into lib/crypto.
 
 Algorithms:
 
 - Add chacha20 and poly1305 implementation for powerpc p10.
 
 Drivers:
 
 - Add AES skcipher and aead support to starfive.
 - Add Dynamic Boost Control support to ccp.
 - Add support for STM32P13 platform to stm32.
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Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Move crypto engine callback from tfm ctx into algorithm object
   - Fix atomic sleep bug in crypto_destroy_instance
   - Move lib/mpi into lib/crypto

  Algorithms:
   - Add chacha20 and poly1305 implementation for powerpc p10

  Drivers:
   - Add AES skcipher and aead support to starfive
   - Add Dynamic Boost Control support to ccp
   - Add support for STM32P13 platform to stm32"

* tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (149 commits)
  Revert "dt-bindings: crypto: qcom,prng: Add SM8450"
  crypto: chelsio - Remove unused declarations
  X.509: if signature is unsupported skip validation
  crypto: qat - fix crypto capability detection for 4xxx
  crypto: drivers - Explicitly include correct DT includes
  crypto: engine - Remove crypto_engine_ctx
  crypto: zynqmp - Use new crypto_engine_op interface
  crypto: virtio - Use new crypto_engine_op interface
  crypto: stm32 - Use new crypto_engine_op interface
  crypto: jh7110 - Use new crypto_engine_op interface
  crypto: rk3288 - Use new crypto_engine_op interface
  crypto: omap - Use new crypto_engine_op interface
  crypto: keembay - Use new crypto_engine_op interface
  crypto: sl3516 - Use new crypto_engine_op interface
  crypto: caam - Use new crypto_engine_op interface
  crypto: aspeed - Remove non-standard sha512 algorithms
  crypto: aspeed - Use new crypto_engine_op interface
  crypto: amlogic - Use new crypto_engine_op interface
  crypto: sun8i-ss - Use new crypto_engine_op interface
  crypto: sun8i-ce - Use new crypto_engine_op interface
  ...
2023-08-29 11:23:29 -07:00
Linus Torvalds
f97e18a3f2 gpio updates for v6.6
Core GPIOLIB updates:
 - wake-up poll() in user-space on device unbind
 - improve fwnode usage
 - interrupt domain handling improvements
 - correctly handle the ngpios property in gpio-mmio
 
 Driver cleanups:
 - remove unneeded calls to platform_set_drvdata() all around the place
 - remove unneeded of_match_ptr() expansions whenever a driver depends on
   CONFIG_OF
 - remove redundant calls to dev_err_probe() from gpio-omap and gpio-davinci
 
 Driver improvements:
 - use autopointers and guards from cleanup.h in gpio-sim
 - shrink code in gpio-sim using some common helpers
 - convert the idio family of drivers to using gpio-regmap
 - convert gpio-ws16c48 to using gpio-regmap
 - use devres to simplify code in gpio-pisosr and gpio-mxc
 - update gpio-sifive: support IRQ wake, improve interrupt handling, allow
   building as module
 - make gpio-ge and gpio-bcm-kona OF-independent (plus some minor tweaks)
 - add support for new models in gpio-pca953x and gpio-ds4520
 - add runtime PM support to gpio-mxc
 - fix a build warning in gpio-mxs
 - add support for adding pin ranges to gpio-mlxbf3
 - add counter/timer support to gpio-104-dio-48e
 - switch to dynamic GPIO base allocation in gpio-vf610
 - minor oneliners here and there
 
 Device-tree bindings updates:
 - enable the gpio-line-names property in snps,dw-apb and STMPE GPIO
 - document new models in fsl-imx-gpio, ds4520 and pca95xx
 - convert the bindings for brcm,kona-gpio to YAML
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Merge tag 'gpio-updates-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "We have a lot of code refactoring using common helpers and ended up
  removing more lines then we're adding this release cycle.

  Nothing really stands out, just small updates all over the place.

  Core GPIOLIB updates:
   - wake-up poll() in user-space on device unbind
   - improve fwnode usage
   - interrupt domain handling improvements
   - correctly handle the ngpios property in gpio-mmio

  Driver cleanups:
   - remove unneeded calls to platform_set_drvdata() all around the
     place
   - remove unneeded of_match_ptr() expansions whenever a driver depends
     on CONFIG_OF
   - remove redundant calls to dev_err_probe() from gpio-omap and
     gpio-davinci

  Driver improvements:
   - use autopointers and guards from cleanup.h in gpio-sim
   - shrink code in gpio-sim using some common helpers
   - convert the idio family of drivers to using gpio-regmap
   - convert gpio-ws16c48 to using gpio-regmap
   - use devres to simplify code in gpio-pisosr and gpio-mxc
   - update gpio-sifive: support IRQ wake, improve interrupt handling,
     allow building as module
   - make gpio-ge and gpio-bcm-kona OF-independent (plus some minor
     tweaks)
   - add support for new models in gpio-pca953x and gpio-ds4520
   - add runtime PM support to gpio-mxc
   - fix a build warning in gpio-mxs
   - add support for adding pin ranges to gpio-mlxbf3
   - add counter/timer support to gpio-104-dio-48e
   - switch to dynamic GPIO base allocation in gpio-vf610
   - minor oneliners here and there

  Device-tree bindings updates:
   - enable the gpio-line-names property in snps,dw-apb and STMPE GPIO
   - document new models in fsl-imx-gpio, ds4520 and pca95xx
   - convert the bindings for brcm,kona-gpio to YAML"

* tag 'gpio-updates-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (94 commits)
  gpio: pca953x: add support for TCA9538
  dt-bindings: gpio: pca95xx: document new tca9538 chip
  gpio: pca953x: Use i2c_get_match_data()
  gpio: mlxbf3: use capital "OR" for multiple licenses in SPDX
  gpio: pcf857x: Extend match data support for OF tables
  gpio: vf610: switch to dynamic allocat GPIO base
  gpiolib: provide and use gpiod_line_state_notify()
  gpio: cdev: wake up lineevent poll() on device unbind
  gpio: cdev: wake up linereq poll() on device unbind
  gpio: cdev: wake up chardev poll() on device unbind
  gpiolib: add a second blocking notifier to struct gpio_device
  gpio: cdev: open-code to_gpio_chardev_data()
  gpiolib: rename the gpio_device notifier
  gpio: mlxbf3: Support add_pin_ranges()
  gpio: mxc: Use helper function devm_clk_get_optional_enabled()
  gpio: pca9570: fix kerneldoc
  gpio: sim: simplify code with cleanup helpers
  gpio: sim: replace memmove() + strstrip() with skip_spaces() + strim()
  gpio: sim: simplify gpio_sim_device_config_live_store()
  gpio: mxc: release the parent IRQ in runtime suspend
  ...
2023-08-29 10:21:56 -07:00
Linus Torvalds
41e97d7acf hwmon updates for v6.6
- New drivers
 
   * Driver for Renesas HS3001
 
 - Chip support added to existing drivers
 
   * pmbus/mp2975 driver now supports MP2971 and MP2973
 
 - Functional improvements
 
   * Additional voltage and temperature sensor support for
     NCT6798/NCT6799 in nt6755 driver
 
   * it87 driver now detects AMDTSI sensor type
 
   * dimmtemp now supports more than 32 DIMMs
 
 - Driver removals
 
   * sm665 driver removed as unsupportable and long since obsolete
 
 - Minor fixes, cleanups, and simplifications in several drivers
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Merge tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:

   - Renesas HS3001

  Chip support added to existing drivers:

   - pmbus/mp2975 driver now supports MP2971 and MP2973

  Functional improvements:

   - Additional voltage and temperature sensor support for
     NCT6798/NCT6799 in nt6755 driver

   - it87 driver now detects AMDTSI sensor type

   - dimmtemp now supports more than 32 DIMMs

  Driver removals:

   - sm665 driver removed as unsupportable and long since obsolete

  .. and minor fixes, cleanups, and simplifications in several drivers"

* tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (57 commits)
  hwmon: (tmp513) Simplify probe()
  hwmon: (tmp513) Fix the channel number in tmp51x_is_visible()
  hwmon: (mlxreg-fan) Extend number of supported fans
  hwmon: (sis5595) Do PCI error checks on own line
  hwmon: (vt8231) Do PCI error checks on own line
  hwmon: (via686a) Do PCI error checks on own line
  hwmon: pmbus: Fix -EIO seen on pli1209
  hwmon: pmbus: Drop unnecessary clear fault page
  hwmon: pmbus: Reduce clear fault page invocations
  hwmon: (nsa320-hwmon) Remove redundant of_match_ptr()
  hwmon: (pmbus/ucd9200) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (pmbus/ucd9000) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (pmbus/tps53679) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (pmbus/ibm-cffps) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (tmp513) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (max6697) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (max20730) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (lm90) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (lm85) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (lm75) fix Wvoid-pointer-to-enum-cast warning
  ...
2023-08-29 10:02:35 -07:00
Linus Torvalds
995cda6210 MMC core:
- Convert drivers to use the ->remove_new() callback
  - Propagate the removable attribute for the card's device
 
 MMC host:
  - Convert drivers to use the ->remove_new() callback
  - atmel-mci: Convert to gpio descriptors and cleanup the code
  - davinci: Make SDIO irq truly optional
  - renesas_sdhi: Register irqs before registering controller
  - sdhci: Simplify the sdhci_pltfm_* interface a bit
  - sdhci-esdhc-imx: Improve support for the 1.8V errata
  - sdhci-of-at91: Add support for the microchip sam9x7 variant
  - sdhci-of-dwcmshc: Add support for runtime PM
  - sdhci-pci-o2micro: Add support for the new Bayhub GG8 variant
  - sdhci-sprd: Add support for SD high-speed mode tuning
  - uniphier-sd: Register irqs before registering controller
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Merge tag 'mmc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Convert drivers to use the ->remove_new() callback
   - Propagate the removable attribute for the card's device

  MMC host:
   - Convert drivers to use the ->remove_new() callback
   - atmel-mci: Convert to gpio descriptors and cleanup the code
   - davinci: Make SDIO irq truly optional
   - renesas_sdhi: Register irqs before registering controller
   - sdhci: Simplify the sdhci_pltfm_* interface a bit
   - sdhci-esdhc-imx: Improve support for the 1.8V errata
   - sdhci-of-at91: Add support for the microchip sam9x7 variant
   - sdhci-of-dwcmshc: Add support for runtime PM
   - sdhci-pci-o2micro: Add support for the new Bayhub GG8 variant
   - sdhci-sprd: Add support for SD high-speed mode tuning
   - uniphier-sd: Register irqs before registering controller"

* tag 'mmc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (108 commits)
  mmc: atmel-mci: Move card detect gpio polarity quirk to gpiolib
  mmc: atmel-mci: move atmel MCI header file
  mmc: atmel-mci: Convert to gpio descriptors
  mmc: sdhci-sprd: Add SD HS mode online tuning
  mmc: core: Add host specific tuning support for SD HS mode
  mmc: sdhci-of-dwcmshc: Add runtime PM operations
  mmc: sdhci-of-dwcmshc: Add error handling in dwcmshc_resume
  mmc: sdhci-esdhc-imx: improve ESDHC_FLAG_ERR010450
  mmc: sdhci-pltfm: Rename sdhci_pltfm_register()
  mmc: sdhci-pltfm: Remove sdhci_pltfm_unregister()
  mmc: sdhci-st: Use sdhci_pltfm_remove()
  mmc: sdhci-pxav2: Use sdhci_pltfm_remove()
  mmc: sdhci-of-sparx5: Use sdhci_pltfm_remove()
  mmc: sdhci-of-hlwd: Use sdhci_pltfm_remove()
  mmc: sdhci-of-esdhc: Use sdhci_pltfm_remove()
  mmc: sdhci-of-at91: Use sdhci_pltfm_remove()
  mmc: sdhci-of-arasan: Use sdhci_pltfm_remove()
  mmc: sdhci-iproc: Use sdhci_pltfm_remove()
  mmc: sdhci_f_sdh30: Use sdhci_pltfm_remove()
  mmc: sdhci-dove: Use sdhci_pltfm_remove()
  ...
2023-08-29 09:56:24 -07:00
Linus Torvalds
3b6bf5b1f8 spi: Updates for v6.6
There's been quite a lot of generic activity here, but more
 administrative than featuers.  We also have a bunch of new drivers,
 including one that's part of a MFD so we pulled in the core parts of
 that:
 
  - Lots of work from both Yang Yingliang and Andy Shevchenko on moving
    to host/device/controller based terminology for devices.
  - QuadSPI SPI support for Allwinner sun6i.
  - New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
    QuPv3 and StarFive JH7110 QSPI.
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Merge tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "There's been quite a lot of generic activity here, but more
  administrative than featuers. We also have a bunch of new drivers,
  including one that's part of a MFD so we pulled in the core parts of
  that:

   - Lots of work from both Yang Yingliang and Andy Shevchenko on moving
     to host/device/controller based terminology for devices.

   - QuadSPI SPI support for Allwinner sun6i.

   - New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
     QuPv3 and StarFive JH7110 QSPI"

* tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (151 commits)
  spi: at91-usart: Use PTR_ERR_OR_ZERO() to simplify code
  spi: spi-sn-f-ospi: switch to use modern name
  spi: sifive: switch to use modern name
  spi: sh: switch to use modern name
  spi: sh-sci: switch to use modern name
  spi: sh-msiof: switch to use modern name
  spi: sh-hspi: switch to use modern name
  spi: sc18is602: switch to use modern name
  spi: s3c64xx: switch to use modern name
  spi: rzv2m-csi: switch to use devm_spi_alloc_host()
  spi: rspi: switch to use spi_alloc_host()
  spi: rockchip: switch to use modern name
  spi: rockchip-sfc: switch to use modern name
  spi: realtek-rtl: switch to use devm_spi_alloc_host()
  spi: rb4xx: switch to use modern name
  spi: qup: switch to use modern name
  spi: spi-qcom-qspi: switch to use modern name
  spi: pxa2xx: switch to use modern name
  spi: ppc4xx: switch to use modern name
  spi: spl022: switch to use modern name
  ...
2023-08-29 09:47:33 -07:00
Linus Torvalds
65234f96f2 regulator: Updates for v6.6
Other tha new device support and some minor fixes this has been a really
 quiet release, the only notable things are the new drivers.  There's a
 couple of MFDs among the new devices so the generic parts are pulled in:
 
  - Support for Analog Devices MAX77831/57/59, Awinc AW37503, Qualcom
    PMX75 and RFGEN, RealTek RT5733, RichTek RTQ2208 and Texas
    Instruments TPS65086.
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Merge tag 'regulator-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Other than new device support and some minor fixes this has been a
  really quiet release, the only notable things are the new drivers.

  There's a couple of MFDs among the new devices so the generic parts
  are pulled in:

   - Support for Analog Devices MAX77831/57/59, Awinc AW37503, Qualcom
     PMX75 and RFGEN, RealTek RT5733, RichTek RTQ2208 and Texas
     Instruments TPS65086"

* tag 'regulator-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (68 commits)
  regulator: userspace-consumer: Drop event support for this cycle
  regulator: aw37503: Switch back to use struct i2c_driver's .probe()
  dt-bindings: regulator: qcom,rpmh-regulator: allow i, j, l, m & n as RPMh resource name suffix
  regulator: dt-bindings: Add Awinic AW37503
  regulator: aw37503: add regulator driver for Awinic AW37503
  regulator: tps65086: Select dedicated regulator config for chip variant
  mfd: tps65086: Read DEVICE ID register 1 from device
  regulator: raa215300: Update help description
  regulator: raa215300: Add missing blank space
  regulator: raa215300: Change rate from 32000->32768
  regulator: db8500-prcmu: Remove unused declaration power_state_active_is_enabled()
  regulator: raa215300: Add const definition
  regulator: raa215300: Fix resource leak in case of error
  regulator: rtq2208: Switch back to use struct i2c_driver's .probe()
  regulator: lp872x: Fix Wvoid-pointer-to-enum-cast warning
  regulator: max77857: Fix Wvoid-pointer-to-enum-cast warning
  regulator: ltc3589: Fix Wvoid-pointer-to-enum-cast warning
  regulator: qcom_rpm-regulator: Use devm_kmemdup to replace devm_kmalloc + memcpy
  regulator: tps6286x-regulator: Remove redundant of_match_ptr() macros
  regulator: pfuze100-regulator: Remove redundant of_match_ptr() macro
  ...
2023-08-29 09:40:16 -07:00
Andrea Righi
a419beac4a module/decompress: use vmalloc() for zstd decompression workspace
Using kmalloc() to allocate the decompression workspace for zstd may
trigger the following warning when large modules are loaded (i.e., xfs):

[    2.961884] WARNING: CPU: 1 PID: 254 at mm/page_alloc.c:4453 __alloc_pages+0x2c3/0x350
...
[    2.989033] Call Trace:
[    2.989841]  <TASK>
[    2.990614]  ? show_regs+0x6d/0x80
[    2.991573]  ? __warn+0x89/0x160
[    2.992485]  ? __alloc_pages+0x2c3/0x350
[    2.993520]  ? report_bug+0x17e/0x1b0
[    2.994506]  ? handle_bug+0x51/0xa0
[    2.995474]  ? exc_invalid_op+0x18/0x80
[    2.996469]  ? asm_exc_invalid_op+0x1b/0x20
[    2.997530]  ? module_zstd_decompress+0xdc/0x2a0
[    2.998665]  ? __alloc_pages+0x2c3/0x350
[    2.999695]  ? module_zstd_decompress+0xdc/0x2a0
[    3.000821]  __kmalloc_large_node+0x7a/0x150
[    3.001920]  __kmalloc+0xdb/0x170
[    3.002824]  module_zstd_decompress+0xdc/0x2a0
[    3.003857]  module_decompress+0x37/0xc0
[    3.004688]  init_module_from_file+0xd0/0x100
[    3.005668]  idempotent_init_module+0x11c/0x2b0
[    3.006632]  __x64_sys_finit_module+0x64/0xd0
[    3.007568]  do_syscall_64+0x59/0x90
[    3.008373]  ? ksys_read+0x73/0x100
[    3.009395]  ? exit_to_user_mode_prepare+0x30/0xb0
[    3.010531]  ? syscall_exit_to_user_mode+0x37/0x60
[    3.011662]  ? do_syscall_64+0x68/0x90
[    3.012511]  ? do_syscall_64+0x68/0x90
[    3.013364]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8

However, continuous physical memory does not seem to be required in
module_zstd_decompress(), so use vmalloc() instead, to prevent the
warning and avoid potential failures at loading compressed modules.

Fixes: 169a58ad82 ("module/decompress: Support zstd in-kernel decompression")
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2023-08-29 09:39:08 -07:00
Linus Torvalds
0fc81f3764 regmap: Updates for v6.6
This is a much quieter release than the past few, there's one small API
 addition that I noticed a user for in ALSA and a bunch of cleanups:
 
  - Provide an interface for determining if a register is present in the
    cache and add a user of it in ALSA.
  - Full support for dynamic allocations, following the temporary bodges
    that were done as fixes in the previous release.
  - Remove the unused and questionably working 64 bit support.
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Merge tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is a much quieter release than the past few, there's one small
  API addition that I noticed a user for in ALSA and a bunch of
  cleanups:

   - Provide an interface for determining if a register is present in
     the cache and add a user of it in ALSA.

   - Full support for dynamic allocations, following the temporary
     bodges that were done as fixes in the previous release.

   - Remove the unused and questionably working 64 bit support"

* tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: Fix the type used for a bitmap pointer
  regmap: Remove dynamic allocation warnings for rbtree and maple
  regmap: rbtree: Use alloc_flags for memory allocations
  regmap: maple: Use alloc_flags for memory allocations
  regmap: Reject fast_io regmap configurations with RBTREE and MAPLE caches
  ALSA: hda: Use regcache_reg_cached() rather than open coding
  regmap: Provide test for regcache_reg_present()
  regmap: Let users check if a register is cached
  regmap: Provide user selectable option to enable regmap
  regmap: mmio: Remove unused 64-bit support code
  regmap: cache: Revert "Add 64-bit mode support"
  regmap: Revert "add 64-bit mode support" and Co.
2023-08-29 09:26:04 -07:00
Linus Torvalds
c35c486c12 HSI changes for the 6.6 series
* explicitly include correct DT includes
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Merge tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - explicitly include correct DT includes

* tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  hsi: omap_ssi: Explicitly include correct DT includes
2023-08-29 09:18:52 -07:00
Linus Torvalds
b547f9b300 power supply and reset changes for the 6.6 series
* core: avoid duplicate hwmon device from thermal framework
 * convert multiple drivers to devm_platform_ioremap_resource
 * at91-reset: add sysfs interface to the power on reason
 * misc. small fixes and improvements
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Merge tag 'for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - core: avoid duplicate hwmon device from thermal framework

 - convert multiple drivers to devm_platform_ioremap_resource

 - at91-reset: add sysfs interface to the power on reason

 - misc small fixes and improvements

* tag 'for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: qcom_pmi8998_charger: fix charger status
  power: supply: qcom_pmi8998_charger: remove CHARGE_CONTROL_LIMIT_* props
  power: supply: qcom_pmi8998_charger: fix uninitialized variable
  power: reset: oxnas-restart: remove obsolete restart driver
  power: supply: core: Avoid duplicate hwmon device from thermal framework
  power: reset: ocelot: Convert to devm_platform_ioremap_resource()
  power: reset: msm: Convert to devm_platform_ioremap_resource()
  power: reset: gemini-poweroff: Convert to devm_platform_ioremap_resource()
  power: reset: brcm-kona: Convert to devm_platform_ioremap_resource()
  power: reset: at91-sama5d2_shdwc: Convert to devm_platform_ioremap_resource()
  power: reset: at91-poweroff: Convert to devm_platform_ioremap_resource()
  power: reset: at91-reset: add sysfs interface to the power on reason
  power: supply: bd99954: make read-only array sub_status_reg
  power: supply: bq24190: Considers FORCE_20PCT when getting IPRECHG
  power: Explicitly include correct DT includes
2023-08-29 08:37:03 -07:00
Linus Torvalds
5ea0cf7758 auxdisplay update for v6.6
- hd44780: move cursor home after clear display command
 
    The change allows to support displays like the NewHaven
    NHD-0220DZW-AG5 which has a non-standard controller.
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Merge tag 'auxdisplay-6.6' of https://github.com/ojeda/linux

Pull auxdisplay update from Miguel Ojeda:

 - hd44780: move cursor home after clear display command

   The change allows to support displays like the NewHaven
   NHD-0220DZW-AG5 which has a non-standard controller.

* tag 'auxdisplay-6.6' of https://github.com/ojeda/linux:
  auxdisplay: hd44780: move cursor home after clear display command
2023-08-29 08:32:28 -07:00
Linus Torvalds
a031fe8d1d Rust changes for v6.6
In terms of lines, most changes this time are on the pinned-init API
 and infrastructure. While we have a Rust version upgrade, and thus a
 bunch of changes from the vendored 'alloc' crate as usual, this time
 those do not account for many lines.
 
 Toolchain and infrastructure:
 
  - Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
    smaller jump compared to the last time.
 
    This version allows us to remove the '__rust_*' allocator functions
    -- the compiler now generates them as expected, thus now our
    'KernelAllocator' is used.
 
    It also introduces the 'offset_of!' macro in the standard library
    (as an unstable feature) which we will need soon. So far, we were
    using a declarative macro as a prerequisite in some not-yet-landed
    patch series, which did not support sub-fields (i.e. nested structs):
 
        #[repr(C)]
        struct S {
            a: u16,
            b: (u8, u8),
        }
 
        assert_eq!(offset_of!(S, b.1), 3);
 
  - Upgrade to bindgen 0.65.1. This is the first time we upgrade its
    version.
 
    Given it is a fairly big jump, it comes with a fair number of
    improvements/changes that affect us, such as a fix needed to support
    LLVM 16 as well as proper support for '__noreturn' C functions, which
    are now mapped to return the '!' type in Rust:
 
        void __noreturn f(void); // C
        pub fn f() -> !;         // Rust
 
  - 'scripts/rust_is_available.sh' improvements and fixes.
 
    This series takes care of all the issues known so far and adds a few
    new checks to cover for even more cases, plus adds some more help
    texts. All this together will hopefully make problematic setups
    easier to identify and to be solved by users building the kernel.
 
    In addition, it adds a test suite which covers all branches of the
    shell script, as well as tests for the issues found so far.
 
  - Support rust-analyzer for out-of-tree modules too.
 
  - Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.
 
  - Drop 'scripts/is_rust_module.sh' since it is not needed anymore.
 
 Macros crate:
 
  - New 'paste!' proc macro.
 
    This macro is a more flexible version of 'concat_idents!': it allows
    the resulting identifier to be used to declare new items and it
    allows to transform the identifiers before concatenating them, e.g.
 
        let x_1 = 42;
        paste!(let [<x _2>] = [<x _1>];);
        assert!(x_1 == x_2);
 
    The macro is then used for several of the pinned-init API changes in
    this pull.
 
 Pinned-init API:
 
  - Make '#[pin_data]' compatible with conditional compilation of fields,
    allowing to write code like:
 
        #[pin_data]
        pub struct Foo {
            #[cfg(CONFIG_BAR)]
            a: Bar,
            #[cfg(not(CONFIG_BAR))]
            a: Baz,
        }
 
  - New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait, which
    allows 'unsafe' implementations for structs where every field
    implements the 'Zeroable' trait, e.g.:
 
        #[derive(Zeroable)]
        pub struct DriverData {
            id: i64,
            buf_ptr: *mut u8,
            len: usize,
        }
 
  - Add '..Zeroable::zeroed()' syntax to the 'pin_init!'  macro for
    zeroing all other fields, e.g.:
 
        pin_init!(Buf {
            buf: [1; 64],
            ..Zeroable::zeroed()
        });
 
  - New '{,pin_}init_array_from_fn()' functions to create array
    initializers given a generator function, e.g.:
 
        let b: Box<[usize; 1_000]> = Box::init::<Error>(
            init_array_from_fn(|i| i)
        ).unwrap();
 
        assert_eq!(b.len(), 1_000);
        assert_eq!(b[123], 123);
 
  - New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
    execute a closure on the value directly after initialization, e.g.:
 
        let foo = init!(Foo {
            buf <- init::zeroed()
        }).chain(|foo| {
            foo.setup();
            Ok(())
        });
 
  - Support arbitrary paths in init macros, instead of just identifiers
    and generic types.
 
  - Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
    'Opaque<T>' types.
 
  - Make initializer values inaccessible after initialization.
 
  - Make guards in the init macros hygienic.
 
 'allocator' module:
 
  - Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
    misaligned allocations when the Rust 1.71.1 upgrade is applied later
    in this pull.
 
    The equivalent fix for the previous compiler version (where
    'KernelAllocator' is not yet used) was merged into 6.5 already,
    which added the 'krealloc_aligned()' function used here.
 
  - Implement 'KernelAllocator::{realloc, alloc_zeroed}' for performance,
    using 'krealloc_aligned()' too, which forwards the call to the C API.
 
 'types' module:
 
  - Make 'Opaque' be '!Unpin', removing the need to add a 'PhantomPinned'
    field to Rust structs that contain C structs which must not be moved.
 
  - Make 'Opaque' use 'UnsafeCell' as the outer type, rather than inner.
 
 Documentation:
 
  - Suggest obtaining the source code of the Rust's 'core' library using
    the tarball instead of the repository.
 
 MAINTAINERS:
 
  - Andreas and Alice, from Samsung and Google respectively, are joining
    as reviewers of the "RUST" entry.
 
 As well as a few other minor changes and cleanups.
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Merge tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux

Pull rust updates from Miguel Ojeda:
 "In terms of lines, most changes this time are on the pinned-init API
  and infrastructure. While we have a Rust version upgrade, and thus a
  bunch of changes from the vendored 'alloc' crate as usual, this time
  those do not account for many lines.

  Toolchain and infrastructure:

   - Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
     smaller jump compared to the last time.

     This version allows us to remove the '__rust_*' allocator functions
     -- the compiler now generates them as expected, thus now our
     'KernelAllocator' is used.

     It also introduces the 'offset_of!' macro in the standard library
     (as an unstable feature) which we will need soon. So far, we were
     using a declarative macro as a prerequisite in some not-yet-landed
     patch series, which did not support sub-fields (i.e. nested
     structs):

         #[repr(C)]
         struct S {
             a: u16,
             b: (u8, u8),
         }

         assert_eq!(offset_of!(S, b.1), 3);

   - Upgrade to bindgen 0.65.1. This is the first time we upgrade its
     version.

     Given it is a fairly big jump, it comes with a fair number of
     improvements/changes that affect us, such as a fix needed to
     support LLVM 16 as well as proper support for '__noreturn' C
     functions, which are now mapped to return the '!' type in Rust:

         void __noreturn f(void); // C
         pub fn f() -> !;         // Rust

   - 'scripts/rust_is_available.sh' improvements and fixes.

     This series takes care of all the issues known so far and adds a
     few new checks to cover for even more cases, plus adds some more
     help texts. All this together will hopefully make problematic
     setups easier to identify and to be solved by users building the
     kernel.

     In addition, it adds a test suite which covers all branches of the
     shell script, as well as tests for the issues found so far.

   - Support rust-analyzer for out-of-tree modules too.

   - Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.

   - Drop 'scripts/is_rust_module.sh' since it is not needed anymore.

  Macros crate:

   - New 'paste!' proc macro.

     This macro is a more flexible version of 'concat_idents!': it
     allows the resulting identifier to be used to declare new items and
     it allows to transform the identifiers before concatenating them,
     e.g.

         let x_1 = 42;
         paste!(let [<x _2>] = [<x _1>];);
         assert!(x_1 == x_2);

     The macro is then used for several of the pinned-init API changes
     in this pull.

  Pinned-init API:

   - Make '#[pin_data]' compatible with conditional compilation of
     fields, allowing to write code like:

         #[pin_data]
         pub struct Foo {
             #[cfg(CONFIG_BAR)]
             a: Bar,
             #[cfg(not(CONFIG_BAR))]
             a: Baz,
         }

   - New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait,
     which allows 'unsafe' implementations for structs where every field
     implements the 'Zeroable' trait, e.g.:

         #[derive(Zeroable)]
         pub struct DriverData {
             id: i64,
             buf_ptr: *mut u8,
             len: usize,
         }

   - Add '..Zeroable::zeroed()' syntax to the 'pin_init!' macro for
     zeroing all other fields, e.g.:

         pin_init!(Buf {
             buf: [1; 64],
             ..Zeroable::zeroed()
         });

   - New '{,pin_}init_array_from_fn()' functions to create array
     initializers given a generator function, e.g.:

         let b: Box<[usize; 1_000]> = Box::init::<Error>(
             init_array_from_fn(|i| i)
         ).unwrap();

         assert_eq!(b.len(), 1_000);
         assert_eq!(b[123], 123);

   - New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
     execute a closure on the value directly after initialization, e.g.:

         let foo = init!(Foo {
             buf <- init::zeroed()
         }).chain(|foo| {
             foo.setup();
             Ok(())
         });

   - Support arbitrary paths in init macros, instead of just identifiers
     and generic types.

   - Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
     'Opaque<T>' types.

   - Make initializer values inaccessible after initialization.

   - Make guards in the init macros hygienic.

  'allocator' module:

   - Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
     misaligned allocations when the Rust 1.71.1 upgrade is applied
     later in this pull.

     The equivalent fix for the previous compiler version (where
     'KernelAllocator' is not yet used) was merged into 6.5 already,
     which added the 'krealloc_aligned()' function used here.

   - Implement 'KernelAllocator::{realloc, alloc_zeroed}' for
     performance, using 'krealloc_aligned()' too, which forwards the
     call to the C API.

  'types' module:

   - Make 'Opaque' be '!Unpin', removing the need to add a
     'PhantomPinned' field to Rust structs that contain C structs which
     must not be moved.

   - Make 'Opaque' use 'UnsafeCell' as the outer type, rather than
     inner.

  Documentation:

   - Suggest obtaining the source code of the Rust's 'core' library
     using the tarball instead of the repository.

  MAINTAINERS:

   - Andreas and Alice, from Samsung and Google respectively, are
     joining as reviewers of the "RUST" entry.

  As well as a few other minor changes and cleanups"

* tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux: (42 commits)
  rust: init: update expanded macro explanation
  rust: init: add `{pin_}chain` functions to `{Pin}Init<T, E>`
  rust: init: make `PinInit<T, E>` a supertrait of `Init<T, E>`
  rust: init: implement `Zeroable` for `UnsafeCell<T>` and `Opaque<T>`
  rust: init: add support for arbitrary paths in init macros
  rust: init: add functions to create array initializers
  rust: init: add `..Zeroable::zeroed()` syntax for zeroing all missing fields
  rust: init: make initializer values inaccessible after initializing
  rust: init: wrap type checking struct initializers in a closure
  rust: init: make guards in the init macros hygienic
  rust: add derive macro for `Zeroable`
  rust: init: make `#[pin_data]` compatible with conditional compilation of fields
  rust: init: consolidate init macros
  docs: rust: clarify what 'rustup override' does
  docs: rust: update instructions for obtaining 'core' source
  docs: rust: add command line to rust-analyzer section
  scripts: generate_rust_analyzer: provide `cfg`s for `core` and `alloc`
  rust: bindgen: upgrade to 0.65.1
  rust: enable `no_mangle_with_rust_abi` Clippy lint
  rust: upgrade to Rust 1.71.1
  ...
2023-08-29 08:19:46 -07:00
Linus Torvalds
f2586d921c Hi,
Contents:
 
 - Restrict linking of keys to .ima and .evm keyrings based on
   digitalSignature attribute in the certificate.
 - PowerVM: load machine owner keys into the .machine [1] keyring.
 - PowerVM: load module signing keys into the secondary trusted keyring
   (keys blessed by the vendor).
 - tpm_tis_spi: half-duplex transfer mode
 - tpm_tis: retry corrupted transfers
 - Apply revocation list (.mokx) to an all system keyrings (e.g. .machine
   keyring).
 
 [1] https://blogs.oracle.com/linux/post/the-machine-keyring
 
 BR, Jarkko
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Merge tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:

 - Restrict linking of keys to .ima and .evm keyrings based on
   digitalSignature attribute in the certificate

 - PowerVM: load machine owner keys into the .machine [1] keyring

 - PowerVM: load module signing keys into the secondary trusted keyring
   (keys blessed by the vendor)

 - tpm_tis_spi: half-duplex transfer mode

 - tpm_tis: retry corrupted transfers

 - Apply revocation list (.mokx) to an all system keyrings (e.g.
   .machine keyring)

Link: https://blogs.oracle.com/linux/post/the-machine-keyring [1]

* tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  certs: Reference revocation list for all keyrings
  tpm/tpm_tis_synquacer: Use module_platform_driver macro to simplify the code
  tpm: remove redundant variable len
  tpm_tis: Resend command to recover from data transfer errors
  tpm_tis: Use responseRetry to recover from data transfer errors
  tpm_tis: Move CRC check to generic send routine
  tpm_tis_spi: Add hardware wait polling
  KEYS: Replace all non-returning strlcpy with strscpy
  integrity: PowerVM support for loading third party code signing keys
  integrity: PowerVM machine keyring enablement
  integrity: check whether imputed trust is enabled
  integrity: remove global variable from machine_keyring.c
  integrity: ignore keys failing CA restrictions on non-UEFI platform
  integrity: PowerVM support for loading CA keys on machine keyring
  integrity: Enforce digitalSignature usage in the ima and evm keyrings
  KEYS: DigitalSignature link restriction
  tpm_tis: Revert "tpm_tis: Disable interrupts on ThinkPad T490s"
2023-08-29 08:05:18 -07:00
Vlastimil Babka
3d053e8060 Merge branch 'slab/for-6.6/random_kmalloc' into slab/for-next
Merge the new hardening feature to make heap spraying harder, by GONG,
Ruiqi. It creates multiple (16) copies of kmalloc caches, reducing the
chance of an attacker-controllable allocation site to land in the same
slab as e.g.  an allocation site with use-after-free vulnerability. The
selection of the copy is derived from the allocation site address,
including a per-boot random seed.

In line with SLAB deprecation, this is a SLUB only feature, incompatible
with SLUB_TINY due to the memory overhead of the extra cache copies.
2023-08-29 11:23:04 +02:00
Christian Brauner
dc3216b141
super: ensure valid info
For keyed filesystems that recycle superblocks based on s_fs_info or
information contained therein s_fs_info must be kept as long as the
superblock is on the filesystem type super list. This isn't guaranteed
as s_fs_info will be freed latest in sb->kill_sb().

The fix is simply to perform notification and list removal in
kill_anon_super(). Any filesystem needs to free s_fs_info after they
call the kill_*() helpers. If they don't they risk use-after-free right
now so fixing it here is guaranteed that s_fs_info remain valid.

For block backed filesystems notifying in pass sb->kill_sb() in
deactivate_locked_super() remains unproblematic and is required because
multiple other block devices can be shut down after kill_block_super()
has been called from a filesystem's sb->kill_sb() handler. For example,
ext4 and xfs close additional devices. Block based filesystems don't
depend on s_fs_info (btrfs does use s_fs_info but also uses
kill_anon_super() and not kill_block_super().).

Sorry for that braino. Goal should be to unify this behavior during this
cycle obviously. But let's please do a simple bugfix now.

Fixes: 2c18a63b76 ("super: wait until we passed kill super")
Fixes: syzbot+5b64180f8d9e39d3f061@syzkaller.appspotmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reported-by: syzbot+5b64180f8d9e39d3f061@syzkaller.appspotmail.com
Message-Id: <20230828-vfs-super-fixes-v1-2-b37a4a04a88f@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-08-29 10:13:04 +02:00
Christian Brauner
345a5c4a0b
super: move lockdep assert
Fix braino and move the lockdep assertion after put_super() otherwise we
risk a use-after-free.

Fixes: 2c18a63b76 ("super: wait until we passed kill super")
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Message-Id: <20230828-vfs-super-fixes-v1-1-b37a4a04a88f@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-08-29 10:13:04 +02:00
Paolo Abeni
c873512ef3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes to prepare for the 6.6 net-next PR.

No conflicts.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-08-29 07:44:56 +02:00
Linus Torvalds
1c59d38339 linux-kselftest-nolibc-6.6-rc1
This nolibc update for Linux 6.6-rc1 consists of:
 
 Nolibc:
   - improved portability by removing build errors with -ENOSYS
   - added syscall6() on MIPS to support pselect6() and mmap()
   - added setvbuf(), rmdir(), pipe(), pipe2()
   - add support for ppc/ppc64
   - environ is no longer optional
   - fixed frame pointer issues at -O0
   - dropped sys_stat() in favor of sys_statx()
   - centralized _start_c() to remove lots of asm code
   - switched size_t to __SIZE_TYPE__
 
 Selftests:
   - improved status reporting (success/warning/failure counts,
     path to log file)
   - various code cleanups (indent, unused variables, ...)
   - more consistent test numbering
   - enabled compiler warnings
   - dropped unreliable chmod_net test
   - improved reliability (create /dev/zero & /tmp, rely less on /proc)
   - new tests (brk/sbrk/mmap/munmap)
   - improved compatibility with musl
   - new run-nolibc-test target to build and run natively
   - new run-libc-test target to build and run against native libc
   - made the cmdline parser more reliable against boolean arguments
   - dropped dependency on memfd for vfprintf() test
   - nolibc-test is no longer stripped
   - added support for extending ARCH via XARCH
 
 Other:
   - add Thomas as co-maintainer
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Merge tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull nolibc updates from Shuah Khan:
 "Nolibc:
   - improved portability by removing build errors with -ENOSYS
   - added syscall6() on MIPS to support pselect6() and mmap()
   - added setvbuf(), rmdir(), pipe(), pipe2()
   - add support for ppc/ppc64
   - environ is no longer optional
   - fixed frame pointer issues at -O0
   - dropped sys_stat() in favor of sys_statx()
   - centralized _start_c() to remove lots of asm code
   - switched size_t to __SIZE_TYPE__

  Selftests:
   - improved status reporting (success/warning/failure counts, path to
     log file)
   - various code cleanups (indent, unused variables, ...)
   - more consistent test numbering
   - enabled compiler warnings
   - dropped unreliable chmod_net test
   - improved reliability (create /dev/zero & /tmp, rely less on /proc)
   - new tests (brk/sbrk/mmap/munmap)
   - improved compatibility with musl
   - new run-nolibc-test target to build and run natively
   - new run-libc-test target to build and run against native libc
   - made the cmdline parser more reliable against boolean arguments
   - dropped dependency on memfd for vfprintf() test
   - nolibc-test is no longer stripped
   - added support for extending ARCH via XARCH

  Other:
   - add Thomas as co-maintainer"

* tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (103 commits)
  tools/nolibc: avoid undesired casts in the __sysret() macro
  tools/nolibc: keep brk(), sbrk(), mmap() away from __sysret()
  tools/nolibc: silence ppc64 compile warnings
  selftests/nolibc: libc-test: use HOSTCC instead of CC
  tools/nolibc: stackprotector.h: make __stack_chk_init static
  selftests/nolibc: allow report with existing test log
  selftests/nolibc: add test support for ppc64
  selftests/nolibc: add test support for ppc64le
  selftests/nolibc: add test support for ppc
  selftests/nolibc: add XARCH and ARCH mapping support
  tools/nolibc: add support for powerpc64
  tools/nolibc: add support for powerpc
  MAINTAINERS: nolibc: add myself as co-maintainer
  selftests/nolibc: enable compiler warnings
  selftests/nolibc: don't strip nolibc-test
  selftests/nolibc: prevent out of bounds access in expect_vfprintf
  selftests/nolibc: use correct return type for read() and write()
  selftests/nolibc: avoid sign-compare warnings
  selftests/nolibc: avoid unused parameter warnings
  selftests/nolibc: make functions static if possible
  ...
2023-08-28 19:03:24 -07:00
Linus Torvalds
815c24a085 linux-kselftest-kunit-6.6-rc1
This kunit update for Linux 6.6.rc1 consists of:
 
 -- Adds support for running Rust documentation tests as KUnit tests
 -- Makes init, str, sync, types doctests compilable/testable
 -- Adds support for attributes API which include speed, modules
    attributes, ability to filter and report attributes.
 -- Adds support for marking tests slow using attributes API.
 -- Adds attributes API documentation
 -- Fixes to wild-memory-access bug in kunit_filter_suites() and
    a possible memory leak in kunit_filter_suites()
 -- Adds support for counting number of test suites in a module, list
    action to kunit test modules, and test filtering on module tests.
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Merge tag 'linux-kselftest-kunit-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - add support for running Rust documentation tests as KUnit tests

 - make init, str, sync, types doctests compilable/testable

 - add support for attributes API which include speed, modules
   attributes, ability to filter and report attributes

 - add support for marking tests slow using attributes API

 - add attributes API documentation

 - fix a wild-memory-access bug in kunit_filter_suites() and a possible
   memory leak in kunit_filter_suites()

 - add support for counting number of test suites in a module, list
   action to kunit test modules, and test filtering on module tests

* tag 'linux-kselftest-kunit-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits)
  kunit: fix struct kunit_attr header
  kunit: replace KUNIT_TRIGGER_STATIC_STUB maro with KUNIT_STATIC_STUB_REDIRECT
  kunit: Allow kunit test modules to use test filtering
  kunit: Make 'list' action available to kunit test modules
  kunit: Report the count of test suites in a module
  kunit: fix uninitialized variables bug in attributes filtering
  kunit: fix possible memory leak in kunit_filter_suites()
  kunit: fix wild-memory-access bug in kunit_filter_suites()
  kunit: Add documentation of KUnit test attributes
  kunit: add tests for filtering attributes
  kunit: time: Mark test as slow using test attributes
  kunit: memcpy: Mark tests as slow using test attributes
  kunit: tool: Add command line interface to filter and report attributes
  kunit: Add ability to filter attributes
  kunit: Add module attribute
  kunit: Add speed attribute
  kunit: Add test attributes API structure
  MAINTAINERS: add Rust KUnit files to the KUnit entry
  rust: support running Rust documentation tests as KUnit ones
  rust: types: make doctests compilable/testable
  ...
2023-08-28 18:56:38 -07:00
Linus Torvalds
5a31cc7297 linux-kselftest-next-6.6-rc1
This Kselftest update for Linux 6.6-rc1 consists of a mix of fixes,
 enhancements, and new tests. Bulk of the changes enhance and fix
 rseq and resctrl tests. In addition, user_events, dmabuf-heaps and
 perf_events are added to default kselftest build and test coverage.
 A futex test fix, enhance prctl test coverage, and minor fixes are
 included in this update.
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Merge tag 'linux-kselftest-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:
 "A mix of fixes, enhancements, and new tests. Bulk of the changes
  enhance and fix rseq and resctrl tests.

  In addition, user_events, dmabuf-heaps and perf_events are added to
  default kselftest build and test coverage. A futex test fix, enhance
  prctl test coverage, and minor fixes are included in this update"

* tag 'linux-kselftest-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (32 commits)
  selftests: cachestat: use proper syscall number macro
  selftests: cachestat: properly link in librt
  selftests/futex: Order calls to futex_lock_pi
  selftests: Hook more tests into the build infrastructure
  selftests/user_events: Reenable build
  selftests/filesystems: Add six consecutive 'x' characters to mktemp
  selftests/rseq: Use rseq_unqual_scalar_typeof in macros
  selftests/rseq: Fix arm64 buggy load-acquire/store-release macros
  selftests/rseq: Implement rseq_unqual_scalar_typeof
  selftests/rseq: Fix CID_ID typo in Makefile
  selftests:prctl: add set-process-name to .gitignore
  selftests:prctl: Fix make clean override warning
  selftests/resctrl: Remove test type checks from cat_val()
  selftests/resctrl: Pass the real number of tests to show_cache_info()
  selftests/resctrl: Move CAT/CMT test global vars to function they are used in
  selftests/resctrl: Don't use variable argument list for ->setup()
  selftests/resctrl: Don't pass test name to fill_buf
  selftests/resctrl: Improve parameter consistency in fill_buf
  selftests/resctrl: Remove unnecessary startptr global from fill_buf
  selftests/resctrl: Remove "malloc_and_init_memory" param from run_fill_buf()
  ...
2023-08-28 18:46:47 -07:00
Linus Torvalds
36534782b5 Thermal control updates for 6.6-rc1
- Make the ACPI thermal driver use its own Notify() handler (Michal
    Wilczynski).
 
  - Rework the ACPI thermal driver to use a table of generic trip point
    structures on top of the internal representation of trip points and
    remove thermal zone callbacks that are not necessary any more from
    that driver (Rafael Wysocki).
 
  - Fix a few issues in the Intel DTS IOSF thermal driver, clean up code
    in it and make it pass tables of generic trip point structures to the
    core during thermal zone registration (Rafael Wysocki).
 
  - Drop a redundant check from the Intel DTS IOSF thermal driver's
    "remove" routine (Zhang Rui).
 
  - Use module_platform_driver() to replace an open-coded counterpart of
    it in the int340x thermal driver (Yang Yingliang).
 
  - Fix possible uninitialized value access in __thermal_of_bind() and
    __thermal_of_unbind() (Peng Fan).
 
  - Make the int3400 driver use thermal zone device wrappers (Daniel
    Lezcano).
 
  - Remove redundant thermal zone state check from the int340x thermal
    driver (Daniel Lezcano).
 
  - Drop non-functional nocrt parameter from ACPI thermal (Mario
    Limonciello).
 
  - Explicitly include correct DT includes in the thermal core and
    drivers (Rob Herring).
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Merge tag 'thermal-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These rework the Intel DTS IOSF and the ACPI thermal drivers to pass
  tables of generic trip point structures to the core during
  initialization and make some requisite modifications in the thermal
  core, fix a few issues elsewhere and clean up code.

  This includes changes that are present in the ACPI updates too,
  because they involve both ACPI and the thermal core. The list of
  specific changes below is limited to thermal control, however.

  Specifics:

   - Make the ACPI thermal driver use its own Notify() handler (Michal
     Wilczynski)

   - Rework the ACPI thermal driver to use a table of generic trip point
     structures on top of the internal representation of trip points and
     remove thermal zone callbacks that are not necessary any more from
     that driver (Rafael Wysocki)

   - Fix a few issues in the Intel DTS IOSF thermal driver, clean up
     code in it and make it pass tables of generic trip point structures
     to the core during thermal zone registration (Rafael Wysocki)

   - Drop a redundant check from the Intel DTS IOSF thermal driver's
     "remove" routine (Zhang Rui)

   - Use module_platform_driver() to replace an open-coded counterpart
     of it in the int340x thermal driver (Yang Yingliang)

   - Fix possible uninitialized value access in __thermal_of_bind() and
     __thermal_of_unbind() (Peng Fan)

   - Make the int3400 driver use thermal zone device wrappers (Daniel
     Lezcano)

   - Remove redundant thermal zone state check from the int340x thermal
     driver (Daniel Lezcano)

   - Drop non-functional nocrt parameter from ACPI thermal (Mario
     Limonciello)

   - Explicitly include correct DT includes in the thermal core and
     drivers (Rob Herring)"

* tag 'thermal-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: intel: intel_soc_dts_iosf: Remove redundant check
  thermal: intel: int340x: simplify the code with module_platform_driver()
  thermal/of: Fix potential uninitialized value access
  thermal: intel: intel_soc_dts_iosf: Use struct thermal_trip
  thermal: intel: intel_soc_dts_iosf: Rework critical trip setup
  thermal: intel: intel_soc_dts_iosf: Add helper for resetting trip points
  thermal: intel: intel_soc_dts_iosf: Change initialization ordering
  thermal: intel: intel_soc_dts_iosf: Pass sensors to update_trip_temp()
  thermal: intel: intel_soc_dts_iosf: Untangle update_trip_temp()
  thermal: intel: intel_soc_dts_iosf: Always assume notification support
  thermal: intel: intel_soc_dts_iosf: Drop redundant symbol definition
  thermal: intel: intel_soc_dts_iosf: Always use 2 trips
  thermal: Explicitly include correct DT includes
  thermal/drivers/int340x: Do not check the thermal zone state
  thermal/drivers/int3400: Use thermal zone device wrappers
2023-08-28 18:26:45 -07:00
Linus Torvalds
ccc5e98177 Power management updates for 6.6-rc1
- Rework the menu and teo cpuidle governors to avoid calling
    tick_nohz_get_sleep_length(), which is likely to become quite
    expensive going forward, too often and improve making decisions
    regarding whether or not to stop the scheduler tick in the teo
    governor (Rafael Wysocki).
 
  - Improve the performance of cpufreq_stats_create_table() in some
    cases (Liao Chang).
 
  - Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal).
 
  - Use clamp() helper macro to improve the code readability in
    cpufreq_verify_within_limits() (Liao Chang).
 
  - Set stale CPU frequency to minimum in intel_pstate (Doug Smythies).
 
  - Migrate cpufreq drivers for various platforms to use void remove
    callback (Yangtao Li).
 
  - Add online/offline/exit hooks for Tegra driver (Sumit Gupta).
 
  - Explicitly include correct DT includes in cpufreq (Rob Herring).
 
  - Frequency domain updates for qcom-hw driver (Neil Armstrong).
 
  - Modify AMD pstate driver return the highest_perf value (Meng Li).
 
  - Generic cleanups for cppc, mediatek and powernow driver (Liao Chang,
    Konrad Dybcio).
 
  - Add more platforms to cpufreq-arm driver's blocklist (AngeloGioacchino
    Del Regno and Konrad Dybcio).
 
  - brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva).
 
  - Add device PM helpers to allow a device to remain powered-on during
    system-wide transitions (Ulf Hansson).
 
  - Rework hibernation memory snapshotting to avoid storing pages filled
    with zeros in hibernation image files (Brian Geffon).
 
  - Add check to make sure that CPU latency QoS constraints do not use
    negative values (Clive Lin).
 
  - Optimize rp->domains memory allocation in the Intel RAPL power
    capping driver (xiongxin).
 
  - Remove recursion while parsing zones in the arm_scmi power capping
    driver (Cristian Marussi).
 
  - Fix memory leak in devfreq_dev_release() (Boris Brezillon).
 
  - Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
    Sadhasivam).
 
  - Explicitly include correct DT includes in devfreq (Rob Herring).
 
  - Remove unsued pm_runtime_update_max_time_suspended() extern
    declaration (YueHaibing).
 
  - Add turbo-boost support to cpupower (Wyes Karny).
 
  - Add support for amd_pstate mode change to cpupower (Wyes Karny).
 
  - Fix 'cpupower idle_set' command to accept only numeric values of
    arguments (Likhitha Korrapati).
 
  - Clean up OPP code and add new frequency related APIs to it (Viresh
    Kumar, Manivannan Sadhasivam).
 
  - Convert ti cpufreq/opp bindings to json schema (Nishanth Menon).
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Merge tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These rework cpuidle governors to call tick_nohz_get_sleep_length()
  less often and fix one of them, rework hibernation to avoid storing
  pages filled with zeros in hibernation images, switch over some
  cpufreq drivers to use void remove callbacks, fix and clean up
  multiple cpufreq drivers, fix the devfreq core, update the cpupower
  utility and make other assorted improvements.

  Specifics:

   - Rework the menu and teo cpuidle governors to avoid calling
     tick_nohz_get_sleep_length(), which is likely to become quite
     expensive going forward, too often and improve making decisions
     regarding whether or not to stop the scheduler tick in the teo
     governor (Rafael Wysocki)

   - Improve the performance of cpufreq_stats_create_table() in some
     cases (Liao Chang)

   - Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal)

   - Use clamp() helper macro to improve the code readability in
     cpufreq_verify_within_limits() (Liao Chang)

   - Set stale CPU frequency to minimum in intel_pstate (Doug Smythies)

   - Migrate cpufreq drivers for various platforms to use void remove
     callback (Yangtao Li)

   - Add online/offline/exit hooks for Tegra driver (Sumit Gupta)

   - Explicitly include correct DT includes in cpufreq (Rob Herring)

   - Frequency domain updates for qcom-hw driver (Neil Armstrong)

   - Modify AMD pstate driver return the highest_perf value (Meng Li)

   - Generic cleanups for cppc, mediatek and powernow driver (Liao
     Chang, Konrad Dybcio)

   - Add more platforms to cpufreq-arm driver's blocklist
     (AngeloGioacchino Del Regno and Konrad Dybcio)

   - brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva)

   - Add device PM helpers to allow a device to remain powered-on during
     system-wide transitions (Ulf Hansson)

   - Rework hibernation memory snapshotting to avoid storing pages
     filled with zeros in hibernation image files (Brian Geffon)

   - Add check to make sure that CPU latency QoS constraints do not use
     negative values (Clive Lin)

   - Optimize rp->domains memory allocation in the Intel RAPL power
     capping driver (xiongxin)

   - Remove recursion while parsing zones in the arm_scmi power capping
     driver (Cristian Marussi)

   - Fix memory leak in devfreq_dev_release() (Boris Brezillon)

   - Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
     Sadhasivam)

   - Explicitly include correct DT includes in devfreq (Rob Herring)

   - Remove unsued pm_runtime_update_max_time_suspended() extern
     declaration (YueHaibing)

   - Add turbo-boost support to cpupower (Wyes Karny)

   - Add support for amd_pstate mode change to cpupower (Wyes Karny)

   - Fix 'cpupower idle_set' command to accept only numeric values of
     arguments (Likhitha Korrapati)

   - Clean up OPP code and add new frequency related APIs to it (Viresh
     Kumar, Manivannan Sadhasivam)

   - Convert ti cpufreq/opp bindings to json schema (Nishanth Menon)"

* tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
  cpufreq: tegra194: remove opp table in exit hook
  cpufreq: powernow-k8: Use related_cpus instead of cpus in driver.exit()
  cpufreq: tegra194: add online/offline hooks
  cpuidle: teo: Avoid unnecessary variable assignments
  cpufreq: qcom-cpufreq-hw: add support for 4 freq domains
  dt-bindings: cpufreq: qcom-hw: add a 4th frequency domain
  cpufreq: amd-pstate-ut: Fix kernel panic when loading the driver
  cpufreq: amd-pstate-ut: Remove module parameter access
  cpufreq: Use clamp() helper macro to improve the code readability
  PM: sleep: Add helpers to allow a device to remain powered-on
  PM: QoS: Add check to make sure CPU latency is non-negative
  PM: runtime: Remove unsued extern declaration of pm_runtime_update_max_time_suspended()
  cpufreq: intel_pstate: set stale CPU frequency to minimum
  cpufreq: stats: Improve the performance of cpufreq_stats_create_table()
  dt-bindings: cpufreq: Convert ti-cpufreq to json schema
  dt-bindings: opp: Convert ti-omap5-opp-supply to json schema
  OPP: Fix argument name in doc comment
  cpuidle: menu: Skip tick_nohz_get_sleep_length() call in some cases
  cpufreq: cppc: Set fie_disabled to FIE_DISABLED if fails to create kworker_fie
  cpufreq: cppc: cppc_cpufreq_get_rate() returns zero in all error cases.
  ...
2023-08-28 18:04:39 -07:00
Linus Torvalds
330235e874 ACPI updates for 6.6-rc1
- Update the ACPICA code in the kernel to upstream revision 20230628
    including the following changes:
    * Suppress a GCC 12 dangling-pointer warning (Philip Prindeville).
    * Reformat the ACPI_STATE_COMMON macro and its users (George Guo).
    * Replace the ternary operator with ACPI_MIN() (Jiangshan Yi).
    * Add support for _DSC as per ACPI 6.5 (Saket Dumbre).
    * Remove a duplicate macro from zephyr header (Najumon B.A).
    * Add data structures for GED and _EVT tracking (Jose Marinho).
    * Fix misspelled CDAT DSMAS define (Dave Jiang).
    * Simplify an error message in acpi_ds_result_push() (Christophe
      Jaillet).
    * Add a struct size macro related to SRAT (Dave Jiang).
    * Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar).
    * Add support for RISC-V external interrupt controllers in MADT (Sunil
      V L).
    * Add RHCT flags, CMO and MMU nodes (Sunil V L).
    * Change ACPICA version to 20230628 (Bob Moore).
 
  - Introduce new wrappers for ACPICA notify handler install/remove and
    convert multiple drivers to using their own Notify() handlers instead
    of the ACPI bus type .notify() slated for removal (Michal Wilczynski).
 
  - Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2 (Hans
    de Goede).
 
  - Put ACPI video and its child devices explicitly into D0 on boot to
    avoid platform firmware confusion (Kai-Heng Feng).
 
  - Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby).
 
  - Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao).
 
  - Convert ACPI CPU initialization to using _OSC instead of _PDC that
    has been depreceted since 2018 and dropped from the specification in
    ACPI 6.5 (Michal Wilczynski, Rafael Wysocki).
 
  - Drop non-functional nocrt parameter from ACPI thermal (Mario
    Limonciello).
 
  - Clean up the ACPI thermal driver, rework the handling of firmware
    notifications in it and make it provide a table of generic trip point
    structures to the core during initialization (Rafael Wysocki).
 
  - Defer enumeration of devices with _DEP pointing to IVSC (Wentong Wu).
 
  - Install SystemCMOS address space handler for ACPI000E (TAD) to meet
    platform firmware expectations on some platforms (Zhang Rui).
 
  - Fix finding the generic error data in the ACPi extlog driver for
    compatibility with old and new firmware interface versions (Xiaochun
    Lee).
 
  - Remove assorted unused declarations of functions (Yue Haibing).
 
  - Move AMBA bus scan handling into arm64 specific directory (Sudeep
    Holla).
 
  - Fix and clean up suspend-to-idle interface for AMD systems (Mario
    Limonciello, Andy Shevchenko).
 
  - Fix string truncation warning in pnpacpi_add_device() (Sunil V L).
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Merge tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These include new ACPICA material, a rework of the ACPI thermal
  driver, a switch-over of the ACPI processor driver to using _OSC
  instead of (long deprecated) _PDC for CPU initialization, a rework of
  firmware notifications handling in several drivers, fixes and cleanups
  for suspend-to-idle handling on AMD systems, ACPI backlight driver
  updates and more.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20230628
     including the following changes:
      - Suppress a GCC 12 dangling-pointer warning (Philip Prindeville)
      - Reformat the ACPI_STATE_COMMON macro and its users (George Guo)
      - Replace the ternary operator with ACPI_MIN() (Jiangshan Yi)
      - Add support for _DSC as per ACPI 6.5 (Saket Dumbre)
      - Remove a duplicate macro from zephyr header (Najumon B.A)
      - Add data structures for GED and _EVT tracking (Jose Marinho)
      - Fix misspelled CDAT DSMAS define (Dave Jiang)
      - Simplify an error message in acpi_ds_result_push() (Christophe
        Jaillet)
      - Add a struct size macro related to SRAT (Dave Jiang)
      - Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar)
      - Add support for RISC-V external interrupt controllers in MADT
        (Sunil V L)
      - Add RHCT flags, CMO and MMU nodes (Sunil V L)
      - Change ACPICA version to 20230628 (Bob Moore)

   - Introduce new wrappers for ACPICA notify handler install/remove and
     convert multiple drivers to using their own Notify() handlers
     instead of the ACPI bus type .notify() slated for removal (Michal
     Wilczynski)

   - Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
     (Hans de Goede)

   - Put ACPI video and its child devices explicitly into D0 on boot to
     avoid platform firmware confusion (Kai-Heng Feng)

   - Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby)

   - Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao)

   - Convert ACPI CPU initialization to using _OSC instead of _PDC that
     has been depreceted since 2018 and dropped from the specification
     in ACPI 6.5 (Michal Wilczynski, Rafael Wysocki)

   - Drop non-functional nocrt parameter from ACPI thermal (Mario
     Limonciello)

   - Clean up the ACPI thermal driver, rework the handling of firmware
     notifications in it and make it provide a table of generic trip
     point structures to the core during initialization (Rafael Wysocki)

   - Defer enumeration of devices with _DEP pointing to IVSC (Wentong
     Wu)

   - Install SystemCMOS address space handler for ACPI000E (TAD) to meet
     platform firmware expectations on some platforms (Zhang Rui)

   - Fix finding the generic error data in the ACPi extlog driver for
     compatibility with old and new firmware interface versions
     (Xiaochun Lee)

   - Remove assorted unused declarations of functions (Yue Haibing)

   - Move AMBA bus scan handling into arm64 specific directory (Sudeep
     Holla)

   - Fix and clean up suspend-to-idle interface for AMD systems (Mario
     Limonciello, Andy Shevchenko)

   - Fix string truncation warning in pnpacpi_add_device() (Sunil V L)"

* tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (66 commits)
  ACPI: x86: s2idle: Add a function to get LPS0 constraint for a device
  ACPI: x86: s2idle: Add for_each_lpi_constraint() helper
  ACPI: x86: s2idle: Add more debugging for AMD constraints parsing
  ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table
  ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
  ACPI: x86: s2idle: Post-increment variables when getting constraints
  ACPI: Adjust #ifdef for *_lps0_dev use
  ACPI: TAD: Install SystemCMOS address space handler for ACPI000E
  ACPI: Remove assorted unused declarations of functions
  ACPI: extlog: Fix finding the generic error data for v3 structure
  PNP: ACPI: Fix string truncation warning
  ACPI: Remove unused extern declaration acpi_paddr_to_node()
  ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
  ACPI: video: Put ACPI video and its child devices into D0 on boot
  ACPI: processor: LoongArch: Get physical ID from MADT
  ACPI: scan: Defer enumeration of devices with a _DEP pointing to IVSC device
  ACPI: thermal: Eliminate code duplication from acpi_thermal_notify()
  ACPI: thermal: Drop unnecessary thermal zone callbacks
  ACPI: thermal: Rework thermal_get_trend()
  ACPI: thermal: Use trip point table to register thermal zones
  ...
2023-08-28 17:58:39 -07:00
Linus Torvalds
2927d2261b chrome platform firmware changes for 6.6
* Misc
 
   - Add MAINTAINERS entry for chrome platform firmware.
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Merge tag 'tag-chrome-platform-firmware-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform firmware update from Tzung-Bi Shih:

 - Add MAINTAINERS entry for chrome platform firmware

* tag 'tag-chrome-platform-firmware-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  MAINTAINERS: Add drivers/firmware/google/ entry
2023-08-28 17:56:03 -07:00
Linus Torvalds
670f08971c chrome platform changes for 6.6
* Improvements
 
   - Remove shutdown timeout on EC panic for offering the filesystem a
     chance to sync.
   - Support official HID "GOOG0016" for ChromeOS ACPI.
 
 * Fixes
 
   - Print hex string instead of using "%s" for ACPI_TYPE_BUFFER.
 
 * Misc
 
   - Update MAINTAINERS.
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Merge tag 'tag-chrome-platform-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:
 "Improvements:

  - Remove shutdown timeout on EC panic for offering the filesystem a
    chance to sync

  - Support official HID "GOOG0016" for ChromeOS ACPI

  Fixes:

  - Print hex string instead of using "%s" for ACPI_TYPE_BUFFER

  Misc:

  - Update MAINTAINERS"

* tag 'tag-chrome-platform-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: chromeos_acpi: print hex string for ACPI_TYPE_BUFFER
  platform/chrome: chromeos_acpi: support official HID GOOG0016
  platform/chrome: cros_ec_lpc: Remove EC panic shutdown timeout
  MAINTAINERS: update maintainers of chrome-platform
2023-08-28 17:49:33 -07:00
Linus Torvalds
6383cb42ac xen: branch for v6.6-rc1
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Merge tag 'for-linus-6.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - a bunch of minor cleanups

 - a patch adding irqfd support for virtio backends running as user
   daemon supporting Xen guests

* tag 'for-linus-6.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: privcmd: Add support for irqfd
  xen/xenbus: Avoid a lockdep warning when adding a watch
  xen: Fix one kernel-doc comment
  xen: xenbus: Use helper function IS_ERR_OR_NULL()
  xen: Switch to use kmemdup() helper
  xen-pciback: Remove unused function declarations
  x86/xen: Make virt_to_pfn() a static inline
  xen: remove a confusing comment on auto-translated guest I/O
  xen/evtchn: Remove unused function declaration xen_set_affinity_evtchn()
2023-08-28 17:41:30 -07:00
Linus Torvalds
542034175c arm64 updates for 6.6
CPU features and system registers:
 	* Advertise hinted conditional branch support (FEAT_HBC) to
 	  userspace
 
 	* Avoid false positive "SANITY CHECK" warning when xCR registers
 	  differ outside of the length field
 
 Documentation:
 	* Fix macro name typo in SME documentation
 
 Entry code:
 	* Unmask exceptions earlier on the system call entry path
 
 Memory management:
 	* Don't bother clearing PTE_RDONLY for dirty ptes in
 	  pte_wrprotect() and pte_modify()
 
 Perf and PMU drivers:
 	* Initial support for Coresight TRBE devices on ACPI systems (the
 	  coresight driver changes will come later)
 
 	* Fix hw_breakpoint single-stepping when called from bpf
 
 	* Fixes for DDR PMU on i.MX8MP SoC
 
 	* Add NUMA-awareness to Hisilicon PCIe PMU driver
 
 	* Fix locking dependency issue in Arm DMC620 PMU driver
 
 	* Workaround Hisilicon erratum 162001900 in the SMMUv3 PMU driver
 
 	* Add support for Arm CMN-700 r3 parts to the CMN PMU driver
 
 	* Add support for recent Arm Cortex CPU PMUs
 
 	* Update Hisilicon PMU maintainers
 
 Selftests:
 	* Add a bunch of new features to the hwcap test (JSCVT, PMULL,
 	  AES, SHA1, etc)
 
 	* Fix SSVE test to leave streaming-mode after grabbing the
 	  signal context
 
 	* Add new test for SVE vector-length changes with SME enabled
 
 Miscellaneous:
 	* Allow compiler to warn on suspicious looking system register
 	  expressions
 
 	* Work around SDEI firmware bug by aborting any running
 	  handlers on a kernel crash
 
 	* Fix some harmless warnings when building with W=1
 
 	* Remove some unused function declarations
 
 	* Other minor fixes and cleanup
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "I think we have a bit less than usual on the architecture side, but
  that's somewhat balanced out by a large crop of perf/PMU driver
  updates and extensions to our selftests.

  CPU features and system registers:

   - Advertise hinted conditional branch support (FEAT_HBC) to userspace

   - Avoid false positive "SANITY CHECK" warning when xCR registers
     differ outside of the length field

  Documentation:

   - Fix macro name typo in SME documentation

  Entry code:

   - Unmask exceptions earlier on the system call entry path

  Memory management:

   - Don't bother clearing PTE_RDONLY for dirty ptes in pte_wrprotect()
     and pte_modify()

  Perf and PMU drivers:

   - Initial support for Coresight TRBE devices on ACPI systems (the
     coresight driver changes will come later)

   - Fix hw_breakpoint single-stepping when called from bpf

   - Fixes for DDR PMU on i.MX8MP SoC

   - Add NUMA-awareness to Hisilicon PCIe PMU driver

   - Fix locking dependency issue in Arm DMC620 PMU driver

   - Workaround Hisilicon erratum 162001900 in the SMMUv3 PMU driver

   - Add support for Arm CMN-700 r3 parts to the CMN PMU driver

   - Add support for recent Arm Cortex CPU PMUs

   - Update Hisilicon PMU maintainers

  Selftests:

   - Add a bunch of new features to the hwcap test (JSCVT, PMULL, AES,
     SHA1, etc)

   - Fix SSVE test to leave streaming-mode after grabbing the signal
     context

   - Add new test for SVE vector-length changes with SME enabled

  Miscellaneous:

   - Allow compiler to warn on suspicious looking system register
     expressions

   - Work around SDEI firmware bug by aborting any running handlers on a
     kernel crash

   - Fix some harmless warnings when building with W=1

   - Remove some unused function declarations

   - Other minor fixes and cleanup"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (62 commits)
  drivers/perf: hisi: Update HiSilicon PMU maintainers
  arm_pmu: acpi: Add a representative platform device for TRBE
  arm_pmu: acpi: Refactor arm_spe_acpi_register_device()
  kselftest/arm64: Fix hwcaps selftest build
  hw_breakpoint: fix single-stepping when using bpf_overflow_handler
  arm64/sysreg: refactor deprecated strncpy
  kselftest/arm64: add jscvt feature to hwcap test
  kselftest/arm64: add pmull feature to hwcap test
  kselftest/arm64: add AES feature check to hwcap test
  kselftest/arm64: add SHA1 and related features to hwcap test
  arm64: sysreg: Generate C compiler warnings on {read,write}_sysreg_s arguments
  kselftest/arm64: build BTI tests in output directory
  perf/imx_ddr: don't enable counter0 if none of 4 counters are used
  perf/imx_ddr: speed up overflow frequency of cycle
  drivers/perf: hisi: Schedule perf session according to locality
  kselftest/arm64: fix a memleak in zt_regs_run()
  perf/arm-dmc620: Fix dmc620_pmu_irqs_lock/cpu_hotplug_lock circular lock dependency
  perf/smmuv3: Add MODULE_ALIAS for module auto loading
  perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
  kselftest/arm64: Size sycall-abi buffers for the actual maximum VL
  ...
2023-08-28 17:34:54 -07:00
Linus Torvalds
bb2d9e5448 m68k updates for v6.6
- Remove <asm/export.h>,
   - Miscellaneous W=1 fixes,
   - Defconfig updates.
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Merge tag 'm68k-for-v6.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - Remove <asm/export.h>

 - Miscellaneous W=1 fixes

 - defconfig updates

* tag 'm68k-for-v6.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  zorro: Include zorro.h in names.c
  m68k: Add memcmp() declaration
  m68k: Define __div64_32() to avoid a warning
  m68k: Remove <asm/export.h>
  m68k: Replace #include <asm/export.h> with #include <linux/export.h>
  m68k: defconfig: Update defconfigs for v6.5-rc1
2023-08-28 17:29:09 -07:00
Linus Torvalds
e5b7ca09e9 s390 updates for 6.6 merge window
- Add vfio-ap support to pass-through crypto devices to secure execution
   guests
 
 - Add API ordinal 6 support to zcrypt_ep11misc device drive, which is
   required to handle key generate and key derive (e.g. secure key to
   protected key) correctly
 
 - Add missing secure/has_secure sysfs files for the case where it is not
   possible to figure where a system has been booted from. Existing user
   space relies on that these files are always present
 
 - Fix DCSS block device driver list corruption, caused by incorrect
   error handling
 
 - Convert virt_to_pfn() and pfn_to_virt() from defines to static inline
   functions to enforce type checking
 
 - Cleanups, improvements, and minor fixes to the kernel mapping setup
 
 - Fix various virtual vs physical address confusions
 
 - Move pfault code to separate file, since it has nothing to do with
   regular fault handling
 
 - Move s390 documentation to Documentation/arch/ like it has been done
   for other architectures already
 
 - Add HAVE_FUNCTION_GRAPH_RETVAL support
 
 - Factor out the s390_hypfs filesystem and add a new config option for
   it. The filesystem is deprecated and as soon as all users are gone it
   can be removed some time in the not so near future
 
 - Remove support for old CEX2 and CEX3 crypto cards from zcrypt device
   driver
 
 - Add support for user-defined certificates: receive user-defined
   certificates with a diagnose call and provide them via 'cert_store'
   keyring to user space
 
 - Couple of other small fixes and improvements all over the place
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Merge tag 's390-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Heiko Carstens:

 - Add vfio-ap support to pass-through crypto devices to secure
   execution guests

 - Add API ordinal 6 support to zcrypt_ep11misc device drive, which is
   required to handle key generate and key derive (e.g. secure key to
   protected key) correctly

 - Add missing secure/has_secure sysfs files for the case where it is
   not possible to figure where a system has been booted from. Existing
   user space relies on that these files are always present

 - Fix DCSS block device driver list corruption, caused by incorrect
   error handling

 - Convert virt_to_pfn() and pfn_to_virt() from defines to static inline
   functions to enforce type checking

 - Cleanups, improvements, and minor fixes to the kernel mapping setup

 - Fix various virtual vs physical address confusions

 - Move pfault code to separate file, since it has nothing to do with
   regular fault handling

 - Move s390 documentation to Documentation/arch/ like it has been done
   for other architectures already

 - Add HAVE_FUNCTION_GRAPH_RETVAL support

 - Factor out the s390_hypfs filesystem and add a new config option for
   it. The filesystem is deprecated and as soon as all users are gone it
   can be removed some time in the not so near future

 - Remove support for old CEX2 and CEX3 crypto cards from zcrypt device
   driver

 - Add support for user-defined certificates: receive user-defined
   certificates with a diagnose call and provide them via 'cert_store'
   keyring to user space

 - Couple of other small fixes and improvements all over the place

* tag 's390-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (66 commits)
  s390/pci: use builtin_misc_device macro to simplify the code
  s390/vfio-ap: make sure nib is shared
  KVM: s390: export kvm_s390_pv*_is_protected functions
  s390/uv: export uv_pin_shared for direct usage
  s390/vfio-ap: check for TAPQ response codes 0x35 and 0x36
  s390/vfio-ap: handle queue state change in progress on reset
  s390/vfio-ap: use work struct to verify queue reset
  s390/vfio-ap: store entire AP queue status word with the queue object
  s390/vfio-ap: remove upper limit on wait for queue reset to complete
  s390/vfio-ap: allow deconfigured queue to be passed through to a guest
  s390/vfio-ap: wait for response code 05 to clear on queue reset
  s390/vfio-ap: clean up irq resources if possible
  s390/vfio-ap: no need to check the 'E' and 'I' bits in APQSW after TAPQ
  s390/ipl: refactor deprecated strncpy
  s390/ipl: fix virtual vs physical address confusion
  s390/zcrypt_ep11misc: support API ordinal 6 with empty pin-blob
  s390/paes: fix PKEY_TYPE_EP11_AES handling for secure keyblobs
  s390/pkey: fix PKEY_TYPE_EP11_AES handling for sysfs attributes
  s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_VERIFYKEY2 IOCTL
  s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_KBLOB2PROTK[23]
  ...
2023-08-28 17:22:39 -07:00
Linus Torvalds
97efd28334 Misc x86 cleanups.
The following commit deserves special mention:
 
    22dc02f81c Revert "sched/fair: Move unused stub functions to header"
 
 This is in x86/cleanups, because the revert is a re-application of a
 number of cleanups that got removed inadvertedly.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-cleanups-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 cleanups from Ingo Molnar:
 "The following commit deserves special mention:

   22dc02f81c Revert "sched/fair: Move unused stub functions to header"

  This is in x86/cleanups, because the revert is a re-application of a
  number of cleanups that got removed inadvertedly"

[ This also effectively undoes the amd_check_microcode() microcode
  declaration change I had done in my microcode loader merge in commit
  42a7f6e3ff ("Merge tag 'x86_microcode_for_v6.6_rc1' [...]").

  I picked the declaration change by Arnd from this branch instead,
  which put it in <asm/processor.h> instead of <asm/microcode.h> like I
  had done in my merge resolution   - Linus ]

* tag 'x86-cleanups-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/platform/uv: Refactor code using deprecated strncpy() interface to use strscpy()
  x86/hpet: Refactor code using deprecated strncpy() interface to use strscpy()
  x86/platform/uv: Refactor code using deprecated strcpy()/strncpy() interfaces to use strscpy()
  x86/qspinlock-paravirt: Fix missing-prototype warning
  x86/paravirt: Silence unused native_pv_lock_init() function warning
  x86/alternative: Add a __alt_reloc_selftest() prototype
  x86/purgatory: Include header for warn() declaration
  x86/asm: Avoid unneeded __div64_32 function definition
  Revert "sched/fair: Move unused stub functions to header"
  x86/apic: Hide unused safe_smp_processor_id() on 32-bit UP
  x86/cpu: Fix amd_check_microcode() declaration
2023-08-28 17:05:58 -07:00
Linus Torvalds
3ca9a836ff Scheduler changes for v6.6:
- The biggest change is introduction of a new iteration of the
   SCHED_FAIR interactivity code: the EEVDF ("Earliest Eligible Virtual
   Deadline First") scheduler.
 
   EEVDF too is a virtual-time scheduler, with two parameters (weight
   and relative deadline), compared to CFS that had weight only.
   It completely reworks the base scheduler: placement, preemption,
   picking -- everything.
 
   LWN.net, as usual, has a terrific writeup about EEVDF:
 
      https://lwn.net/Articles/925371/
 
   Preemption (both tick and wakeup) is driven by testing against
   a fresh pick. Because the tree is now effectively an interval
   tree, and the selection is no longer the 'leftmost' task,
   over-scheduling is less of a problem. A lot of the CFS
   heuristics are removed or replaced by more natural latency-space
   parameters & constructs.
 
   In terms of expected performance regressions: we'll and can fix
   everything where a 'good' workload misbehaves with the new scheduler,
   but EEVDF inevitably changes workload scheduling in a binary fashion,
   hopefully for the better in the overwhelming majority of cases,
   but in some cases it won't, especially in adversarial loads that
   got lucky with the previous code, such as some variants of hackbench.
   We are trying hard to err on the side of fixing all performance
   regressions, but we expect some inevitable post-release iterations
   of that process.
 
 - Improve load-balancing on hybrid x86 systems: enable cluster
   scheduling (again).
 
 - Improve & fix bandwidth-scheduling on nohz systems.
 
 - Improve bandwidth-throttling.
 
 - Use lock guards to simplify and de-goto-ify control flow.
 
 - Misc improvements, cleanups and fixes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - The biggest change is introduction of a new iteration of the
   SCHED_FAIR interactivity code: the EEVDF ("Earliest Eligible Virtual
   Deadline First") scheduler

   EEVDF too is a virtual-time scheduler, with two parameters (weight
   and relative deadline), compared to CFS that had weight only. It
   completely reworks the base scheduler: placement, preemption, picking
   -- everything

   LWN.net, as usual, has a terrific writeup about EEVDF:

      https://lwn.net/Articles/925371/

   Preemption (both tick and wakeup) is driven by testing against a
   fresh pick. Because the tree is now effectively an interval tree, and
   the selection is no longer the 'leftmost' task, over-scheduling is
   less of a problem. A lot of the CFS heuristics are removed or
   replaced by more natural latency-space parameters & constructs

   In terms of expected performance regressions: we will and can fix
   everything where a 'good' workload misbehaves with the new scheduler,
   but EEVDF inevitably changes workload scheduling in a binary fashion,
   hopefully for the better in the overwhelming majority of cases, but
   in some cases it won't, especially in adversarial loads that got
   lucky with the previous code, such as some variants of hackbench. We
   are trying hard to err on the side of fixing all performance
   regressions, but we expect some inevitable post-release iterations of
   that process

 - Improve load-balancing on hybrid x86 systems: enable cluster
   scheduling (again)

 - Improve & fix bandwidth-scheduling on nohz systems

 - Improve bandwidth-throttling

 - Use lock guards to simplify and de-goto-ify control flow

 - Misc improvements, cleanups and fixes

* tag 'sched-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
  sched/eevdf/doc: Modify the documented knob to base_slice_ns as well
  sched/eevdf: Curb wakeup-preemption
  sched: Simplify sched_core_cpu_{starting,deactivate}()
  sched: Simplify try_steal_cookie()
  sched: Simplify sched_tick_remote()
  sched: Simplify sched_exec()
  sched: Simplify ttwu()
  sched: Simplify wake_up_if_idle()
  sched: Simplify: migrate_swap_stop()
  sched: Simplify sysctl_sched_uclamp_handler()
  sched: Simplify get_nohz_timer_target()
  sched/rt: sysctl_sched_rr_timeslice show default timeslice after reset
  sched/rt: Fix sysctl_sched_rr_timeslice intial value
  sched/fair: Block nohz tick_stop when cfs bandwidth in use
  sched, cgroup: Restore meaning to hierarchical_quota
  MAINTAINERS: Add Peter explicitly to the psi section
  sched/psi: Select KERNFS as needed
  sched/topology: Align group flags when removing degenerate domain
  sched/fair: remove util_est boosting
  sched/fair: Propagate enqueue flags into place_entity()
  ...
2023-08-28 16:43:39 -07:00
Linus Torvalds
1a7c611546 Perf events changes for v6.6:
- AMD IBS improvements
 - Intel PMU driver updates
 - Extend core perf facilities & the ARM PMU driver to better handle ARM big.LITTLE events
 - Micro-optimize software events and the ring-buffer code
 - Misc cleanups & fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf event updates from Ingo Molnar:

 - AMD IBS improvements

 - Intel PMU driver updates

 - Extend core perf facilities & the ARM PMU driver to better handle ARM big.LITTLE events

 - Micro-optimize software events and the ring-buffer code

 - Misc cleanups & fixes

* tag 'perf-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/uncore: Remove unnecessary ?: operator around pcibios_err_to_errno() call
  perf/x86/intel: Add Crestmont PMU
  x86/cpu: Update Hybrids
  x86/cpu: Fix Crestmont uarch
  x86/cpu: Fix Gracemont uarch
  perf: Remove unused extern declaration arch_perf_get_page_size()
  perf: Remove unused PERF_PMU_CAP_HETEROGENEOUS_CPUS capability
  arm_pmu: Remove unused PERF_PMU_CAP_HETEROGENEOUS_CPUS capability
  perf/x86: Remove unused PERF_PMU_CAP_HETEROGENEOUS_CPUS capability
  arm_pmu: Add PERF_PMU_CAP_EXTENDED_HW_TYPE capability
  perf/x86/ibs: Set mem_lvl_num, mem_remote and mem_hops for data_src
  perf/mem: Add PERF_MEM_LVLNUM_NA to PERF_MEM_NA
  perf/mem: Introduce PERF_MEM_LVLNUM_UNC
  perf/ring_buffer: Use local_try_cmpxchg in __perf_output_begin
  locking/arch: Avoid variable shadowing in local_try_cmpxchg()
  perf/core: Use local64_try_cmpxchg in perf_swevent_set_period
  perf/x86: Use local64_try_cmpxchg
  perf/amd: Prevent grouping of IBS events
2023-08-28 16:35:01 -07:00
Linus Torvalds
d637fce034 Simplify the locking self-tests via using the new <linux/cleanup.h>
facilities for lock guards.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking update from Ingo Molnar:
 "Simplify the locking self-tests via using the new <linux/cleanup.h>
  facilities for lock guards"

* tag 'locking-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep/selftests: Use SBRM APIs for wait context tests
2023-08-28 16:32:09 -07:00