Commit Graph

1112403 Commits

Author SHA1 Message Date
Linus Torvalds
79802ada87 selinux/stable-6.0 PR 20220801
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Merge tag 'selinux-pr-20220801' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "A relatively small set of patches for SELinux this time, eight patches
  in total with really only one significant change.

  The highlights are:

   - Add support for proper labeling of memfd_secret anonymous inodes.

     This will allow LSMs that implement the anonymous inode hooks to
     apply security policy to memfd_secret() fds.

   - Various small improvements to memory management: fixed leaks, freed
     memory when needed, boundary checks.

   - Hardened the selinux_audit_data struct with __randomize_layout.

   - A minor documentation tweak to fix a formatting/style issue"

* tag 'selinux-pr-20220801' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
  selinux: selinux_add_opt() callers free memory
  selinux: Add boundary check in put_entry()
  selinux: fix memleak in security_read_state_kernel()
  docs: selinux: add '=' signs to kernel boot options
  mm: create security context for memfd_secret inodes
  selinux: fix typos in comments
  selinux: drop unnecessary NULL check
  selinux: add __randomize_layout to selinux_audit_data
2022-08-02 14:51:47 -07:00
Linus Torvalds
6991a564f5 hardening updates for v5.20-rc1
- Fix Sparse warnings with randomizd kstack (GONG, Ruiqi)
 
 - Replace uintptr_t with unsigned long in usercopy (Jason A. Donenfeld)
 
 - Fix Clang -Wforward warning in LKDTM (Justin Stitt)
 
 - Fix comment to correctly refer to STRICT_DEVMEM (Lukas Bulwahn)
 
 - Introduce dm-verity binding logic to LoadPin LSM (Matthias Kaehlcke)
 
 - Clean up warnings and overflow and KASAN tests (Kees Cook)
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Merge tag 'hardening-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening updates from Kees Cook:

 - Fix Sparse warnings with randomizd kstack (GONG, Ruiqi)

 - Replace uintptr_t with unsigned long in usercopy (Jason A. Donenfeld)

 - Fix Clang -Wforward warning in LKDTM (Justin Stitt)

 - Fix comment to correctly refer to STRICT_DEVMEM (Lukas Bulwahn)

 - Introduce dm-verity binding logic to LoadPin LSM (Matthias Kaehlcke)

 - Clean up warnings and overflow and KASAN tests (Kees Cook)

* tag 'hardening-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  dm: verity-loadpin: Drop use of dm_table_get_num_targets()
  kasan: test: Silence GCC 12 warnings
  drivers: lkdtm: fix clang -Wformat warning
  x86: mm: refer to the intended config STRICT_DEVMEM in a comment
  dm: verity-loadpin: Use CONFIG_SECURITY_LOADPIN_VERITY for conditional compilation
  LoadPin: Enable loading from trusted dm-verity devices
  dm: Add verity helpers for LoadPin
  stack: Declare {randomize_,}kstack_offset to fix Sparse warnings
  lib: overflow: Do not define 64-bit tests on 32-bit
  MAINTAINERS: Add a general "kernel hardening" section
  usercopy: use unsigned long instead of uintptr_t
2022-08-02 14:38:59 -07:00
Linus Torvalds
d7b767b508 execve updates for v5.20-rc1
- Allow unsharing time namespace on vfork+exec (Andrei Vagin)
 
 - Replace usage of deprecated kmap APIs (Fabio M. De Francesco)
 
 - Fix spelling mistake (Zhang Jiaming)
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Merge tag 'execve-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull execve updates from Kees Cook:

 - Allow unsharing time namespace on vfork+exec (Andrei Vagin)

 - Replace usage of deprecated kmap APIs (Fabio M. De Francesco)

 - Fix spelling mistake (Zhang Jiaming)

* tag 'execve-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  exec: Call kmap_local_page() in copy_string_kernel()
  exec: Fix a spelling mistake
  selftests/timens: add a test for vfork+exit
  fs/exec: allow to unshare a time namespace on vfork+exec
2022-08-02 14:36:19 -07:00
Linus Torvalds
9a8ac9ee07 seccomp update for v5.20-rc1
- Fix Clang build warning (YiFei Zhu)
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Merge tag 'seccomp-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp update from Kees Cook:

 - Fix Clang build warning (YiFei Zhu)

* tag 'seccomp-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  selftests/seccomp: Fix compile warning when CC=clang
2022-08-02 14:34:03 -07:00
Linus Torvalds
ddd1949f58 pstore updates for v5.20-rc1
- Migrate to modern acomp crypto interface (Ard Biesheuvel)
 
 - Use better return type for "rcnt" (Dan Carpenter)
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Merge tag 'pstore-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull pstore updates from Kees Cook:

 - Migrate to modern acomp crypto interface (Ard Biesheuvel)

 - Use better return type for "rcnt" (Dan Carpenter)

* tag 'pstore-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  pstore/zone: cleanup "rcnt" type
  pstore: migrate to crypto acomp interface
2022-08-02 14:31:46 -07:00
Linus Torvalds
8374cfe647 - Refactor DM core's mempool allocation so that it clearer by not
being split acorss files.
 
 - Improve DM core's BLK_STS_DM_REQUEUE and BLK_STS_AGAIN handling.
 
 - Optimize DM core's more common bio splitting by eliminating the use
   of bio cloning with bio_split+bio_chain. Shift that cloning cost to
   the relatively unlikely dm_io requeue case that only occurs during
   error handling. Introduces dm_io_rewind() that will clone a bio that
   reflects the subset of the original bio that must be requeued.
 
 - Remove DM core's dm_table_get_num_targets() wrapper and audit all
   dm_table_get_target() callers.
 
 - Fix potential for OOM with DM writecache target by setting a default
   MAX_WRITEBACK_JOBS (set to 256MiB or 1/16 of total system memory,
   whichever is smaller).
 
 - Fix DM writecache target's stats that are reported through
   DM-specific table info.
 
 - Fix use-after-free crash in dm_sm_register_threshold_callback().
 
 - Refine DM core's Persistent Reservation handling in preparation for
   broader work Mike Christie is doing to add compatibility with
   Microsoft Windows Failover Cluster.
 
 - Fix various KASAN reported bugs in the DM raid target.
 
 - Fix DM raid target crash due to md_handle_request() bio splitting
   that recurses to block core without properly initializing the bio's
   bi_dev.
 
 - Fix some code comment typos and fix some Documentation formatting.
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Merge tag 'for-6.0/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Refactor DM core's mempool allocation so that it clearer by not being
   split acorss files.

 - Improve DM core's BLK_STS_DM_REQUEUE and BLK_STS_AGAIN handling.

 - Optimize DM core's more common bio splitting by eliminating the use
   of bio cloning with bio_split+bio_chain. Shift that cloning cost to
   the relatively unlikely dm_io requeue case that only occurs during
   error handling. Introduces dm_io_rewind() that will clone a bio that
   reflects the subset of the original bio that must be requeued.

 - Remove DM core's dm_table_get_num_targets() wrapper and audit all
   dm_table_get_target() callers.

 - Fix potential for OOM with DM writecache target by setting a default
   MAX_WRITEBACK_JOBS (set to 256MiB or 1/16 of total system memory,
   whichever is smaller).

 - Fix DM writecache target's stats that are reported through
   DM-specific table info.

 - Fix use-after-free crash in dm_sm_register_threshold_callback().

 - Refine DM core's Persistent Reservation handling in preparation for
   broader work Mike Christie is doing to add compatibility with
   Microsoft Windows Failover Cluster.

 - Fix various KASAN reported bugs in the DM raid target.

 - Fix DM raid target crash due to md_handle_request() bio splitting
   that recurses to block core without properly initializing the bio's
   bi_dev.

 - Fix some code comment typos and fix some Documentation formatting.

* tag 'for-6.0/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
  dm: fix dm-raid crash if md_handle_request() splits bio
  dm raid: fix address sanitizer warning in raid_resume
  dm raid: fix address sanitizer warning in raid_status
  dm: Start pr_preempt from the same starting path
  dm: Fix PR release handling for non All Registrants
  dm: Start pr_reserve from the same starting path
  dm: Allow dm_call_pr to be used for path searches
  dm: return early from dm_pr_call() if DM device is suspended
  dm thin: fix use-after-free crash in dm_sm_register_threshold_callback
  dm writecache: count number of blocks discarded, not number of discard bios
  dm writecache: count number of blocks written, not number of write bios
  dm writecache: count number of blocks read, not number of read bios
  dm writecache: return void from functions
  dm kcopyd: use __GFP_HIGHMEM when allocating pages
  dm writecache: set a default MAX_WRITEBACK_JOBS
  Documentation: dm writecache: Render status list as list
  Documentation: dm writecache: add blank line before optional parameters
  dm snapshot: fix typo in snapshot_map() comment
  dm raid: remove redundant "the" in parse_raid_params() comment
  dm cache: fix typo in 2 comment blocks
  ...
2022-08-02 14:21:25 -07:00
Jakub Kicinski
9017462f00 Merge branch 'wireguard-patches-for-5-20-rc1'
Jason A. Donenfeld says:

====================
wireguard patches for 5.20-rc1

I had planned to send these out eventually as net.git patches, but as
you emailed earlier, I figure there's no harm in just doing this now for
net-next.git. Please apply the following small fixes:

1) Rather than using msleep() in order to approximate ktime_get_coarse_
   boottime_ns(), instead use an hrtimer, rounded heuristically.

2) An update in selftest config fragments, from Lukas.

3) Linus noticed that a debugging WARN_ON() to detect (impossible) stack
   corruption would still allow the corruption to happen, making it harder
   to get the report about the corruption subsequently.

4) Support for User Mode Linux in the test suite. This depends on some
   UML patches that are slated for 5.20. Richard hasn't sent his pull
   in, but they're in his tree, so I assume it'll happen.
====================

Link: https://lore.kernel.org/r/20220802125613.340848-1-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-02 13:47:53 -07:00
Jason A. Donenfeld
b438b3b8d6 wireguard: selftests: support UML
This shoud open up various possibilities like time travel execution, and
is also just another platform to help shake out bugs.

Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-02 13:47:50 -07:00
Jason A. Donenfeld
c31b14d86d wireguard: allowedips: don't corrupt stack when detecting overflow
In case push_rcu() and related functions are buggy, there's a
WARN_ON(len >= 128), which the selftest tries to hit by being tricky. In
case it is hit, we shouldn't corrupt the kernel's stack, though;
otherwise it may be hard to even receive the report that it's buggy. So
conditionalize the stack write based on that WARN_ON()'s return value.

Note that this never *actually* happens anyway. The WARN_ON() in the
first place is bounded by IS_ENABLED(DEBUG), and isn't expected to ever
actually hit. This is just a debugging sanity check.

Additionally, hoist the constant 128 into a named enum,
MAX_ALLOWEDIPS_BITS, so that it's clear why this value is chosen.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/all/CAHk-=wjJZGA6w_DxA+k7Ejbqsq+uGK==koPai3sqdsfJqemvag@mail.gmail.com/
Fixes: e7096c131e ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-02 13:47:50 -07:00
Lukas Bulwahn
2a8f91d289 wireguard: selftests: update config fragments
The kernel.config and debug.config fragments in wireguard selftests mention
some config symbols that have been reworked:

Commit c566586818 ("mm: kmemleak: use the memory pool for early
allocations") removes the config DEBUG_KMEMLEAK_EARLY_LOG_SIZE and since
then, the config's feature is available without further configuration.

Commit 4675ff05de ("kmemcheck: rip it out") removes kmemcheck and the
corresponding arch config HAVE_ARCH_KMEMCHECK. There is no need for this
config.

Commit 3bf195ae60 ("netfilter: nat: merge nf_nat_ipv4,6 into nat core")
removes the config NF_NAT_IPV4 and since then, the config's feature is
available without further configuration.

Commit 41a2901e7d ("rcu: Remove SPARSE_RCU_POINTER Kconfig option")
removes the config SPARSE_RCU_POINTER and since then, the config's feature
is enabled by default.

Commit dfb4357da6 ("time: Remove CONFIG_TIMER_STATS") removes the feature
and config CONFIG_TIMER_STATS without any replacement.

Commit 3ca17b1f36 ("lib/ubsan: remove null-pointer checks") removes the
check and config UBSAN_NULL without any replacement.

Adjust the config fragments to those changes in configs.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-02 13:47:50 -07:00
Jason A. Donenfeld
151c8e499f wireguard: ratelimiter: use hrtimer in selftest
Using msleep() is problematic because it's compared against
ratelimiter.c's ktime_get_coarse_boottime_ns(), which means on systems
with slow jiffies (such as UML's forced HZ=100), the result is
inaccurate. So switch to using schedule_hrtimeout().

However, hrtimer gives us access only to the traditional posix timers,
and none of the _COARSE variants. So now, rather than being too
imprecise like jiffies, it's too precise.

One solution would be to give it a large "range" value, but this will
still fire early on a loaded system. A better solution is to align the
timeout to the actual coarse timer, and then round up to the nearest
tick, plus change.

So add the timeout to the current coarse time, and then
schedule_hrtimer() until the absolute computed time.

This should hopefully reduce flakes in CI as well. Note that we keep the
retry loop in case the entire function is running behind, because the
test could still be scheduled out, by either the kernel or by the
hypervisor's kernel, in which case restarting the test and hoping to not
be scheduled out still helps.

Fixes: e7096c131e ("net: WireGuard secure network tunnel")
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-02 13:47:50 -07:00
Linus Torvalds
c013d0af81 for-5.20/block-2022-07-29
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Merge tag 'for-5.20/block-2022-07-29' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - Improve the type checking of request flags (Bart)

 - Ensure queue mapping for a single queues always picks the right queue
   (Bart)

 - Sanitize the io priority handling (Jan)

 - rq-qos race fix (Jinke)

 - Reserved tags handling improvements (John)

 - Separate memory alignment from file/disk offset aligment for O_DIRECT
   (Keith)

 - Add new ublk driver, userspace block driver using io_uring for
   communication with the userspace backend (Ming)

 - Use try_cmpxchg() to cleanup the code in various spots (Uros)

 - Finally remove bdevname() (Christoph)

 - Clean up the zoned device handling (Christoph)

 - Clean up independent access range support (Christoph)

 - Clean up and improve block sysfs handling (Christoph)

 - Clean up and improve teardown of block devices.

   This turns the usual two step process into something that is simpler
   to implement and handle in block drivers (Christoph)

 - Clean up chunk size handling (Christoph)

 - Misc cleanups and fixes (Bart, Bo, Dan, GuoYong, Jason, Keith, Liu,
   Ming, Sebastian, Yang, Ying)

* tag 'for-5.20/block-2022-07-29' of git://git.kernel.dk/linux-block: (178 commits)
  ublk_drv: fix double shift bug
  ublk_drv: make sure that correct flags(features) returned to userspace
  ublk_drv: fix error handling of ublk_add_dev
  ublk_drv: fix lockdep warning
  block: remove __blk_get_queue
  block: call blk_mq_exit_queue from disk_release for never added disks
  blk-mq: fix error handling in __blk_mq_alloc_disk
  ublk: defer disk allocation
  ublk: rewrite ublk_ctrl_get_queue_affinity to not rely on hctx->cpumask
  ublk: fold __ublk_create_dev into ublk_ctrl_add_dev
  ublk: cleanup ublk_ctrl_uring_cmd
  ublk: simplify ublk_ch_open and ublk_ch_release
  ublk: remove the empty open and release block device operations
  ublk: remove UBLK_IO_F_PREFLUSH
  ublk: add a MAINTAINERS entry
  block: don't allow the same type rq_qos add more than once
  mmc: fix disk/queue leak in case of adding disk failure
  ublk_drv: fix an IS_ERR() vs NULL check
  ublk: remove UBLK_IO_F_INTEGRITY
  ublk_drv: remove unneeded semicolon
  ...
2022-08-02 13:46:35 -07:00
Linus Torvalds
42df1cbf6a for-5.20/io_uring-zerocopy-send-2022-07-29
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Merge tag 'for-5.20/io_uring-zerocopy-send-2022-07-29' of git://git.kernel.dk/linux-block

Pull io_uring zerocopy support from Jens Axboe:
 "This adds support for efficient support for zerocopy sends through
  io_uring. Both ipv4 and ipv6 is supported, as well as both TCP and
  UDP.

  The core network changes to support this is in a stable branch from
  Jakub that both io_uring and net-next has pulled in, and the io_uring
  changes are layered on top of that.

  All of the work has been done by Pavel"

* tag 'for-5.20/io_uring-zerocopy-send-2022-07-29' of git://git.kernel.dk/linux-block: (34 commits)
  io_uring: notification completion optimisation
  io_uring: export req alloc from core
  io_uring/net: use unsigned for flags
  io_uring/net: make page accounting more consistent
  io_uring/net: checks errors of zc mem accounting
  io_uring/net: improve io_get_notif_slot types
  selftests/io_uring: test zerocopy send
  io_uring: enable managed frags with register buffers
  io_uring: add zc notification flush requests
  io_uring: rename IORING_OP_FILES_UPDATE
  io_uring: flush notifiers after sendzc
  io_uring: sendzc with fixed buffers
  io_uring: allow to pass addr into sendzc
  io_uring: account locked pages for non-fixed zc
  io_uring: wire send zc request type
  io_uring: add notification slot registration
  io_uring: add rsrc referencing for notifiers
  io_uring: complete notifiers in tw
  io_uring: cache struct io_notif
  io_uring: add zc notification infrastructure
  ...
2022-08-02 13:37:55 -07:00
Linus Torvalds
98e2474640 for-5.20/io_uring-buffered-writes-2022-07-29
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Merge tag 'for-5.20/io_uring-buffered-writes-2022-07-29' of git://git.kernel.dk/linux-block

Pull io_uring buffered writes support from Jens Axboe:
 "This contains support for buffered writes, specifically for XFS. btrfs
  is in progress, will be coming in the next release.

  io_uring does support buffered writes on any file type, but since the
  buffered write path just always -EAGAIN (or -EOPNOTSUPP) any attempt
  to do so if IOCB_NOWAIT is set, any buffered write will effectively be
  handled by io-wq offload. This isn't very efficient, and we even have
  specific code in io-wq to serialize buffered writes to the same inode
  to avoid further inefficiencies with thread offload.

  This is particularly sad since most buffered writes don't block, they
  simply copy data to a page and dirty it. With this pull request, we
  can handle buffered writes a lot more effiently.

  If balance_dirty_pages() needs to block, we back off on writes as
  indicated.

  This improves buffered write support by 2-3x.

  Jan Kara helped with the mm bits for this, and Stefan handled the
  fs/iomap/xfs/io_uring parts of it"

* tag 'for-5.20/io_uring-buffered-writes-2022-07-29' of git://git.kernel.dk/linux-block:
  mm: honor FGP_NOWAIT for page cache page allocation
  xfs: Add async buffered write support
  xfs: Specify lockmode when calling xfs_ilock_for_iomap()
  io_uring: Add tracepoint for short writes
  io_uring: fix issue with io_write() not always undoing sb_start_write()
  io_uring: Add support for async buffered writes
  fs: Add async write file modification handling.
  fs: Split off inode_needs_update_time and __file_update_time
  fs: add __remove_file_privs() with flags parameter
  fs: add a FMODE_BUF_WASYNC flags for f_mode
  iomap: Return -EAGAIN from iomap_write_iter()
  iomap: Add async buffered write support
  iomap: Add flags parameter to iomap_page_create()
  mm: Add balance_dirty_pages_ratelimited_flags() function
  mm: Move updates of dirty_exceeded into one place
  mm: Move starting of background writeback into the main balancing loop
2022-08-02 13:27:23 -07:00
Linus Torvalds
b349b1181d for-5.20/io_uring-2022-07-29
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Merge tag 'for-5.20/io_uring-2022-07-29' of git://git.kernel.dk/linux-block

Pull io_uring updates from Jens Axboe:

 - As per (valid) complaint in the last merge window, fs/io_uring.c has
   grown quite large these days. io_uring isn't really tied to fs
   either, as it supports a wide variety of functionality outside of
   that.

   Move the code to io_uring/ and split it into files that either
   implement a specific request type, and split some code into helpers
   as well. The code is organized a lot better like this, and io_uring.c
   is now < 4K LOC (me).

 - Deprecate the epoll_ctl opcode. It'll still work, just trigger a
   warning once if used. If we don't get any complaints on this, and I
   don't expect any, then we can fully remove it in a future release
   (me).

 - Improve the cancel hash locking (Hao)

 - kbuf cleanups (Hao)

 - Efficiency improvements to the task_work handling (Dylan, Pavel)

 - Provided buffer improvements (Dylan)

 - Add support for recv/recvmsg multishot support. This is similar to
   the accept (or poll) support for have for multishot, where a single
   SQE can trigger everytime data is received. For applications that
   expect to do more than a few receives on an instantiated socket, this
   greatly improves efficiency (Dylan).

 - Efficiency improvements for poll handling (Pavel)

 - Poll cancelation improvements (Pavel)

 - Allow specifiying a range for direct descriptor allocations (Pavel)

 - Cleanup the cqe32 handling (Pavel)

 - Move io_uring types to greatly cleanup the tracing (Pavel)

 - Tons of great code cleanups and improvements (Pavel)

 - Add a way to do sync cancelations rather than through the sqe -> cqe
   interface, as that's a lot easier to use for some use cases (me).

 - Add support to IORING_OP_MSG_RING for sending direct descriptors to a
   different ring. This avoids the usually problematic SCM case, as we
   disallow those. (me)

 - Make the per-command alloc cache we use for apoll generic, place
   limits on it, and use it for netmsg as well (me).

 - Various cleanups (me, Michal, Gustavo, Uros)

* tag 'for-5.20/io_uring-2022-07-29' of git://git.kernel.dk/linux-block: (172 commits)
  io_uring: ensure REQ_F_ISREG is set async offload
  net: fix compat pointer in get_compat_msghdr()
  io_uring: Don't require reinitable percpu_ref
  io_uring: fix types in io_recvmsg_multishot_overflow
  io_uring: Use atomic_long_try_cmpxchg in __io_account_mem
  io_uring: support multishot in recvmsg
  net: copy from user before calling __get_compat_msghdr
  net: copy from user before calling __copy_msghdr
  io_uring: support 0 length iov in buffer select in compat
  io_uring: fix multishot ending when not polled
  io_uring: add netmsg cache
  io_uring: impose max limit on apoll cache
  io_uring: add abstraction around apoll cache
  io_uring: move apoll cache to poll.c
  io_uring: consolidate hash_locked io-wq handling
  io_uring: clear REQ_F_HASH_LOCKED on hash removal
  io_uring: don't race double poll setting REQ_F_ASYNC_DATA
  io_uring: don't miss setting REQ_F_DOUBLE_POLL
  io_uring: disable multishot recvmsg
  io_uring: only trace one of complete or overflow
  ...
2022-08-02 13:20:44 -07:00
Linus Torvalds
efb2883060 Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
 "Only updating the turbostat tool here, no kernel changes"

* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: version 2022.07.28
  tools/power turbostat: do not decode ACC for ICX and SPR
  tools/power turbostat: fix SPR PC6 limits
  tools/power turbostat: cleanup 'automatic_cstate_conversion_probe()'
  tools/power turbostat: separate SPR from ICX
  tools/power turbosstat: fix comment
  tools/power turbostat: Support RAPTORLAKE P
  tools/power turbostat: add support for ALDERLAKE_N
  tools/power turbostat: dump secondary Turbo-Ratio-Limit
  tools/power turbostat: simplify dump_turbo_ratio_limits()
  tools/power turbostat: dump CPUID.7.EDX.Hybrid
  tools/power turbostat: update turbostat.8
  tools/power turbostat: Show uncore frequency
  tools/power turbostat: Fix file pointer leak
  tools/power turbostat: replace strncmp with single character compare
  tools/power turbostat: print the kernel boot commandline
  tools/power turbostat: Introduce support for RaptorLake
2022-08-02 12:47:31 -07:00
Linus Torvalds
c1dbe9a1c8 Thermal control updates for 5.20-rc1
- Consolidate the thermal core code by beginning to move the thermal
    trip structure from the thermal OF code as a generic structure to be
    used by the different sensors when registering a thermal zone
    (Daniel Lezcano).
 
  - Make per cpufreq / devfreq cooling device ops instead of using a
    global variable, fix comments and rework the trace information
    (Lukasz Luba).
 
  - Add the include/dt-bindings/thermal.h under the area covered by the
    thermal maintainer in the MAINTAINERS file (Lukas Bulwahn).
 
  - Improve the error output by giving the sensor identification when a
    thermal zone failed to initialize, the DT bindings by changing the
    positive logic and adding the r8a779f0 support on the rcar3 (Wolfram
    Sang).
 
  - Convert the QCom tsens DT binding to the dtsformat format (Krzysztof
    Kozlowski).
 
  - Remove the pointless get_trend() function in the QCom, Ux500 and
    tegra thermal drivers, along with the unused DROP_FULL and
    RAISE_FULL trends definitions. Simplify the code by using clamp()
    macros (Daniel Lezcano).
 
  - Fix ref_table memory leak at probe time on the k3_j72xx bandgap
    (Bryan Brattlof).
 
  - Fix array underflow in prep_lookup_table (Dan Carpenter).
 
  - Add static annotation to the k3_j72xx_bandgap_j7* data structure
    (Jin Xiaoyun).
 
  - Fix typos in comments detected on sun8i by Coccinelle (Julia
    Lawall).
 
  - Fix typos in comments on rzg2l (Biju Das).
 
  - Remove as unnecessary call to dev_err() as the error is already
    printed by the failing function on u8500 (Yang Li).
 
  - Register the thermal zones as hwmon sensors for the Qcom thermal
    sensors (Dmitry Baryshkov).
 
  - Fix 'tmon' tool compilation issue by adding phtread.h include
    (Markus Mayer).
 
  - Fix typo in the comments for the 'tmon' tool (Slark Xiao).
 
  - Make the thermal core use ida_alloc()/free() directly instead of
    ida_simple_get()/ida_simple_remove() that have been deprecated
    (keliu).
 
  - Drop ACPI_FADT_LOW_POWER_S0 check from the Intel PCH thermal control
    driver (Rafael Wysocki).
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Merge tag 'thermal-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These start a rework of the handling of trip points in the thermal
  core, improve the cpufreq/devfreq cooling device handling, update some
  thermal control drivers and the tmon utility and clean up code.

  Specifics:

   - Consolidate the thermal core code by beginning to move the thermal
     trip structure from the thermal OF code as a generic structure to
     be used by the different sensors when registering a thermal zone
     (Daniel Lezcano).

   - Make per cpufreq / devfreq cooling device ops instead of using a
     global variable, fix comments and rework the trace information
     (Lukasz Luba).

   - Add the include/dt-bindings/thermal.h under the area covered by the
     thermal maintainer in the MAINTAINERS file (Lukas Bulwahn).

   - Improve the error output by giving the sensor identification when a
     thermal zone failed to initialize, the DT bindings by changing the
     positive logic and adding the r8a779f0 support on the rcar3
     (Wolfram Sang).

   - Convert the QCom tsens DT binding to the dtsformat format
     (Krzysztof Kozlowski).

   - Remove the pointless get_trend() function in the QCom, Ux500 and
     tegra thermal drivers, along with the unused DROP_FULL and
     RAISE_FULL trends definitions. Simplify the code by using clamp()
     macros (Daniel Lezcano).

   - Fix ref_table memory leak at probe time on the k3_j72xx bandgap
     (Bryan Brattlof).

   - Fix array underflow in prep_lookup_table (Dan Carpenter).

   - Add static annotation to the k3_j72xx_bandgap_j7* data structure
     (Jin Xiaoyun).

   - Fix typos in comments detected on sun8i by Coccinelle (Julia
     Lawall).

   - Fix typos in comments on rzg2l (Biju Das).

   - Remove as unnecessary call to dev_err() as the error is already
     printed by the failing function on u8500 (Yang Li).

   - Register the thermal zones as hwmon sensors for the Qcom thermal
     sensors (Dmitry Baryshkov).

   - Fix 'tmon' tool compilation issue by adding phtread.h include
     (Markus Mayer).

   - Fix typo in the comments for the 'tmon' tool (Slark Xiao).

   - Make the thermal core use ida_alloc()/free() directly instead of
     ida_simple_get()/ida_simple_remove() that have been deprecated
     (keliu).

   - Drop ACPI_FADT_LOW_POWER_S0 check from the Intel PCH thermal
     control driver (Rafael Wysocki)"

* tag 'thermal-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (39 commits)
  thermal/of: Initialize trip points separately
  thermal/of: Use thermal trips stored in the thermal zone
  thermal/core: Add thermal_trip in thermal_zone
  thermal/core: Rename 'trips' to 'num_trips'
  thermal/core: Move thermal_set_delay_jiffies to static
  thermal/core: Remove unneeded EXPORT_SYMBOLS
  thermal/of: Move thermal_trip structure to thermal.h
  thermal/of: Remove the device node pointer for thermal_trip
  thermal/of: Replace device node match with device node search
  thermal/core: Remove duplicate information when an error occurs
  thermal/core: Avoid calling ->get_trip_temp() unnecessarily
  thermal/tools/tmon: Fix typo 'the the' in comment
  thermal/tools/tmon: Include pthread and time headers in tmon.h
  thermal/ti-soc-thermal: Fix comment typo
  thermal/drivers/qcom/spmi-adc-tm5: Register thermal zones as hwmon sensors
  thermal/drivers/qcom/temp-alarm: Register thermal zones as hwmon sensors
  thermal/drivers/u8500: Remove unnecessary print function dev_err()
  thermal/drivers/rzg2l: Fix comments
  thermal/drivers/sun8i: Fix typo in comment
  thermal/drivers/k3_j72xx_bandgap: Make k3_j72xx_bandgap_j721e_data and k3_j72xx_bandgap_j7200_data static
  ...
2022-08-02 11:27:53 -07:00
Linus Torvalds
a771ea6413 Power management updates for 5.20-rc1
- Make cpufreq_show_cpus() more straightforward (Viresh Kumar).
 
  - Drop unnecessary CPU hotplug locking from store() used by cpufreq
    sysfs attributes (Viresh Kumar).
 
  - Make the ACPI cpufreq driver support the boost control interface on
    Zhaoxin/Centaur processors (Tony W Wang-oc).
 
  - Print a warning message on attempts to free an active cpufreq policy
    which should never happen (Viresh Kumar).
 
  - Fix grammar in the Kconfig help text for the loongson2 cpufreq
    driver (Randy Dunlap).
 
  - Use cpumask_var_t for an on-stack CPU mask in the ondemand cpufreq
    governor (Zhao Liu).
 
  - Add trace points for guest_halt_poll_ns grow/shrink to the haltpoll
    cpuidle driver (Eiichi Tsukata).
 
  - Modify intel_idle to treat C1 and C1E as independent idle states on
    Sapphire Rapids (Artem Bityutskiy).
 
  - Extend support for wakeirq to callback wrappers used during system
    suspend and resume (Ulf Hansson).
 
  - Defer waiting for device probe before loading a hibernation image
    till the first actual device access to avoid possible deadlocks
    reported by syzbot (Tetsuo Handa).
 
  - Unify device_init_wakeup() for PM_SLEEP and !PM_SLEEP (Bjorn
    Helgaas).
 
  - Add Raptor Lake-P to the list of processors supported by the Intel
    RAPL driver (George D Sworo).
 
  - Add Alder Lake-N and Raptor Lake-P to the list of processors for
    which Power Limit4 is supported in the Intel RAPL driver (Sumeet
    Pawnikar).
 
  - Make pm_genpd_remove() check genpd_debugfs_dir against NULL before
    attempting to remove it (Hsin-Yi Wang).
 
  - Change the Energy Model code to represent power in micro-Watts and
    adjust its users accordingly (Lukasz Luba).
 
  - Add new devfreq driver for Mediatek CCI (Cache Coherent
    Interconnect) (Johnson Wang).
 
  - Convert the Samsung Exynos SoC Bus bindings to DT schema of
    exynos-bus.c (Krzysztof Kozlowski).
 
  - Address kernel-doc warnings by adding the description for unused
    fucntion parameters in devfreq core (Mauro Carvalho Chehab).
 
  - Use NULL to pass a null pointer rather than zero according to the
    function propotype in imx-bus.c (Colin Ian King).
 
  - Print error message instead of error interger value in
    tegra30-devfreq.c (Dmitry Osipenko).
 
  - Add checks to prevent setting negative frequency QoS limits for
    CPUs (Shivnandan Kumar).
 
  - Update the pm-graph suite of utilities to the latest revision 5.9
    including multiple improvements (Todd Brandt).
 
  - Drop pme_interrupt reference from the PCI power management
    documentation (Mario Limonciello).
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Merge tag 'pm-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These are mostly minor improvements all over including new CPU IDs for
  the Intel RAPL driver, an Energy Model rework to use micro-Watt as the
  power unit, cpufreq fixes and cleanus, cpuidle updates, devfreq
  updates, documentation cleanups and a new version of the pm-graph
  suite of utilities.

  Specifics:

   - Make cpufreq_show_cpus() more straightforward (Viresh Kumar).

   - Drop unnecessary CPU hotplug locking from store() used by cpufreq
     sysfs attributes (Viresh Kumar).

   - Make the ACPI cpufreq driver support the boost control interface on
     Zhaoxin/Centaur processors (Tony W Wang-oc).

   - Print a warning message on attempts to free an active cpufreq
     policy which should never happen (Viresh Kumar).

   - Fix grammar in the Kconfig help text for the loongson2 cpufreq
     driver (Randy Dunlap).

   - Use cpumask_var_t for an on-stack CPU mask in the ondemand cpufreq
     governor (Zhao Liu).

   - Add trace points for guest_halt_poll_ns grow/shrink to the haltpoll
     cpuidle driver (Eiichi Tsukata).

   - Modify intel_idle to treat C1 and C1E as independent idle states on
     Sapphire Rapids (Artem Bityutskiy).

   - Extend support for wakeirq to callback wrappers used during system
     suspend and resume (Ulf Hansson).

   - Defer waiting for device probe before loading a hibernation image
     till the first actual device access to avoid possible deadlocks
     reported by syzbot (Tetsuo Handa).

   - Unify device_init_wakeup() for PM_SLEEP and !PM_SLEEP (Bjorn
     Helgaas).

   - Add Raptor Lake-P to the list of processors supported by the Intel
     RAPL driver (George D Sworo).

   - Add Alder Lake-N and Raptor Lake-P to the list of processors for
     which Power Limit4 is supported in the Intel RAPL driver (Sumeet
     Pawnikar).

   - Make pm_genpd_remove() check genpd_debugfs_dir against NULL before
     attempting to remove it (Hsin-Yi Wang).

   - Change the Energy Model code to represent power in micro-Watts and
     adjust its users accordingly (Lukasz Luba).

   - Add new devfreq driver for Mediatek CCI (Cache Coherent
     Interconnect) (Johnson Wang).

   - Convert the Samsung Exynos SoC Bus bindings to DT schema of
     exynos-bus.c (Krzysztof Kozlowski).

   - Address kernel-doc warnings by adding the description for unused
     function parameters in devfreq core (Mauro Carvalho Chehab).

   - Use NULL to pass a null pointer rather than zero according to the
     function propotype in imx-bus.c (Colin Ian King).

   - Print error message instead of error interger value in
     tegra30-devfreq.c (Dmitry Osipenko).

   - Add checks to prevent setting negative frequency QoS limits for
     CPUs (Shivnandan Kumar).

   - Update the pm-graph suite of utilities to the latest revision 5.9
     including multiple improvements (Todd Brandt).

   - Drop pme_interrupt reference from the PCI power management
     documentation (Mario Limonciello)"

* tag 'pm-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits)
  powercap: RAPL: Add Power Limit4 support for Alder Lake-N and Raptor Lake-P
  PM: QoS: Add check to make sure CPU freq is non-negative
  PM: hibernate: defer device probing when resuming from hibernation
  intel_idle: make SPR C1 and C1E be independent
  cpufreq: ondemand: Use cpumask_var_t for on-stack cpu mask
  cpufreq: loongson2: fix Kconfig "its" grammar
  pm-graph v5.9
  cpufreq: Warn users while freeing active policy
  cpufreq: scmi: Support the power scale in micro-Watts in SCMI v3.1
  firmware: arm_scmi: Get detailed power scale from perf
  Documentation: EM: Switch to micro-Watts scale
  PM: EM: convert power field to micro-Watts precision and align drivers
  PM / devfreq: tegra30: Add error message for devm_devfreq_add_device()
  PM / devfreq: imx-bus: use NULL to pass a null pointer rather than zero
  PM / devfreq: shut up kernel-doc warnings
  dt-bindings: interconnect: samsung,exynos-bus: convert to dtschema
  PM / devfreq: mediatek: Introduce MediaTek CCI devfreq driver
  dt-bindings: interconnect: Add MediaTek CCI dt-bindings
  PM: domains: Ensure genpd_debugfs_dir exists before remove
  PM: runtime: Extend support for wakeirq for force_suspend|resume
  ...
2022-08-02 11:17:00 -07:00
Linus Torvalds
8fa0db3a9b ACPI updates for 5.20-rc1
- Use facilities provided by the driver core and some additional
    helpers to handle the children of a given ACPI device object in
    multiple places instead of using the children and node list heads in
    struct acpi_device which is error prone (Rafael Wysocki).
 
  - Fix ACPI-related device reference counting issue in the hisi_lpc bus
    driver (Yang Yingliang).
 
  - Drop the children and node list heads that are not needed any more
    from struct acpi_device (Rafael Wysocki).
 
  - Drop driver member from struct acpi_device (Uwe Kleine-König).
 
  - Drop redundant check from acpi_device_remove() (Uwe Kleine-König).
 
  - Prepare the CPPC library for handling backwards-compatible future
    _CPC return package formats gracefully (Rafael Wysocki).
 
  - Clean up the ACPI EC driver after previous changes in it (Hans
    de Goede).
 
  - Drop leftover acpi_processor_get_limit_info() declaration (Riwen
    Lu).
 
  - Split out thermal initialization from ACPI PSS (Riwen Lu).
 
  - Annotate more functions in the ACPI CPU idle driver to live in the
    cpuidle section (Guilherme G. Piccoli).
 
  - Fix _EINJ vs "special purpose" EFI memory regions (Dan Williams).
 
  - Implement a better fix to avoid spamming the console with old error
    logs (Tony Luck).
 
  - Fix typo in a comment in the APEI code (Xiang wangx).
 
  - Save NVS memory during transitions into S3 on Lenovo G40-45 (Manyi
    Li).
 
  - Add support for upcoming AMD uPEP device ID AMDI008 to the ACPI
    suspend-to-idle driver for x86 platforms (Shyam Sundar S K).
 
  - Clean up checks related to the ACPI_FADT_LOW_POWER_S0 platform flag
    in the LPIT table driver and the suspend-to-idle driver for x86
    platforms (Rafael Wysocki).
 
  - Print information messages regarding declared LPS0 idle support in
    the platform firmware (Rafael Wysocki).
 
  - Fix missing check in register_device_clock() in the ACPI driver for
    Intel SoCs (huhai).
 
  - Fix ACS setup in the VIOT table parser (Eric Auger).
 
  - Skip IRQ override on AMD Zen platforms where it's harmful (Chuanhong
    Guo).
 
  - Use native backlight on Dell Inspiron N4010 (Hans de Goede).
 
  - Use native backlight on some TongFang devices (Werner Sembach).
 
  - Drop X86 dependency from the ACPI backlight driver Kconfig (Riwen
    Lu).
 
  - Shorten the quirk list in the ACPI backlight driver by identifying
    Clevo by board_name only (Werner Sembach).
 
  - Remove useless NULL pointer checks from 2 ACPI PCI link management
    functions (Andrey Strachuk).
 
  - Fix obsolete example in the ACPI EINJ documentation (Qifu Zhang).
 
  - Update links and references to _DSD-related documents (Sudeep
    Holla).
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Merge tag 'acpi-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These rework the handling of ACPI device objects to use the driver
  core facilities for managing child ones instead of some questionable
  home-grown ways without the requisite locking and reference counting,
  clean up the EC driver, improve suspend-to-idle handling on x86, add
  some systems to the ACPI backlight quirk list, fix some assorted
  issues, clean up code and improve documentation.

  Specifics:

   - Use facilities provided by the driver core and some additional
     helpers to handle the children of a given ACPI device object in
     multiple places instead of using the children and node list heads
     in struct acpi_device which is error prone (Rafael Wysocki).

   - Fix ACPI-related device reference counting issue in the hisi_lpc
     bus driver (Yang Yingliang).

   - Drop the children and node list heads that are not needed any more
     from struct acpi_device (Rafael Wysocki).

   - Drop driver member from struct acpi_device (Uwe Kleine-König).

   - Drop redundant check from acpi_device_remove() (Uwe Kleine-König).

   - Prepare the CPPC library for handling backwards-compatible future
     _CPC return package formats gracefully (Rafael Wysocki).

   - Clean up the ACPI EC driver after previous changes in it (Hans de
     Goede).

   - Drop leftover acpi_processor_get_limit_info() declaration (Riwen
     Lu).

   - Split out thermal initialization from ACPI PSS (Riwen Lu).

   - Annotate more functions in the ACPI CPU idle driver to live in the
     cpuidle section (Guilherme G. Piccoli).

   - Fix _EINJ vs "special purpose" EFI memory regions (Dan Williams).

   - Implement a better fix to avoid spamming the console with old error
     logs (Tony Luck).

   - Fix typo in a comment in the APEI code (Xiang wangx).

   - Save NVS memory during transitions into S3 on Lenovo G40-45 (Manyi
     Li).

   - Add support for upcoming AMD uPEP device ID AMDI008 to the ACPI
     suspend-to-idle driver for x86 platforms (Shyam Sundar S K).

   - Clean up checks related to the ACPI_FADT_LOW_POWER_S0 platform flag
     in the LPIT table driver and the suspend-to-idle driver for x86
     platforms (Rafael Wysocki).

   - Print information messages regarding declared LPS0 idle support in
     the platform firmware (Rafael Wysocki).

   - Fix missing check in register_device_clock() in the ACPI driver for
     Intel SoCs (huhai).

   - Fix ACS setup in the VIOT table parser (Eric Auger).

   - Skip IRQ override on AMD Zen platforms where it's harmful
     (Chuanhong Guo).

   - Use native backlight on Dell Inspiron N4010 (Hans de Goede).

   - Use native backlight on some TongFang devices (Werner Sembach).

   - Drop X86 dependency from the ACPI backlight driver Kconfig (Riwen
     Lu).

   - Shorten the quirk list in the ACPI backlight driver by identifying
     Clevo by board_name only (Werner Sembach).

   - Remove useless NULL pointer checks from 2 ACPI PCI link management
     functions (Andrey Strachuk).

   - Fix obsolete example in the ACPI EINJ documentation (Qifu Zhang).

   - Update links and references to _DSD-related documents (Sudeep
     Holla)"

* tag 'acpi-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (46 commits)
  ACPI/PCI: Remove useless NULL pointer checks
  ACPI: CPPC: Do not prevent CPPC from working in the future
  ACPI: PM: x86: Print messages regarding LPS0 idle support
  ACPI: resource: skip IRQ override on AMD Zen platforms
  Documentation: ACPI: EINJ: Fix obsolete example
  ACPI: video: Use native backlight on Dell Inspiron N4010
  ACPI: PM: s2idle: Use LPS0 idle if ACPI_FADT_LOW_POWER_S0 is unset
  Revert "ACPI / PM: LPIT: Register sysfs attributes based on FADT"
  ACPI: video: Shortening quirk list by identifying Clevo by board_name only
  ACPI: video: Force backlight native for some TongFang devices
  ACPI: PM: s2idle: Add support for upcoming AMD uPEP HID AMDI008
  ACPI: VIOT: Fix ACS setup
  ACPI: bus: Drop unused list heads from struct acpi_device
  hisi_lpc: Use acpi_dev_for_each_child()
  bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe()
  ACPI: bus: Drop driver member of struct acpi_device
  ACPI: bus: Drop redundant check in acpi_device_remove()
  ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP
  ACPI: LPSS: Fix missing check in register_device_clock()
  ACPI: APEI: Better fix to avoid spamming the console with old error logs
  ...
2022-08-02 11:12:25 -07:00
Linus Torvalds
64ae88ff48 hwmon updates for v5.20
- Substantial rewrite of lm90 driver to support several
   additional chips and improve support for existing chips.
 
 - Add support of ROG ZENITH II EXTREME, Maximus XI Hero,
   Strix Z690-a D4 to asus-ec-sensors driver
 
 - Add support of F71858AD to f71882fg driver
 
 - Add support of Aquacomputer Quadro to aquacomputer_d5next
   driver
 
 - Improved assembler code and add support for Dell G5 5590
   as well as XPS 13 7390 in dell-smm driver
 
 - Add support for ASUS TUF GAMING B550-PLUS WIFI II to nct775 driver
 
 - Add support for IEEE 754 half precision to PMBus core.
   Also support for Analog Devices LT7182S, improve
   regulator support, and report various MFR register
   values in debugfs.
 
 - Various other minor improvements and fixes
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Merge tag 'hwmon-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - Substantial rewrite of lm90 driver to support several additional
   chips and improve support for existing chips.

 - Add support of ROG ZENITH II EXTREME, Maximus XI Hero, and
   Strix Z690-a D4 to asus-ec-sensors driver

 - Add support of F71858AD to f71882fg driver

 - Add support of Aquacomputer Quadro to aquacomputer_d5next driver

 - Improved assembler code and add support for Dell G5 5590 as well as
   XPS 13 7390 in dell-smm driver

 - Add support for ASUS TUF GAMING B550-PLUS WIFI II to nct775 driver

 - Add support for IEEE 754 half precision to PMBus core. Also support
   for Analog Devices LT7182S, improve regulator support, and report
   various MFR register values in debugfs.

 - Various other minor improvements and fixes

* tag 'hwmon-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (85 commits)
  hwmon: (aquacomputer_d5next) Add support for Aquacomputer Quadro fan controller
  hwmon: (dell-smm) Improve documentation
  hwmon: (nct6775) add ASUS TUF GAMING B550-PLUS WIFI II
  hwmon: (occ) Replace open-coded variant of %*phN specifier
  hwmon: (sht15) Fix wrong assumptions in device remove callback
  hwmon: (aquacomputer_d5next) Add support for reading the +12V voltage sensor on D5 Next
  hwmon: (tps23861) fix byte order in current and voltage registers
  hwmon: (aspeed-pwm-tacho) increase fan tach period (again)
  hwmon: (aquacomputer_d5next) Add D5 Next fan control support
  hwmon: (mcp3021) improve driver support for newer hwmon interface
  hwmon: (asus-ec-sensors) add definitions for ROG ZENITH II EXTREME
  hwmon: (aquacomputer_d5next) Move device-specific data into struct aqc_data
  hwmon: (asus-ec-sensors) add missing sensors for X570-I GAMING
  hwmon: (drivetemp) Add module alias
  hwmon: (asus_wmi_sensors) Save a few bytes of memory
  hwmon: (lm90) Use worker for alarm notifications
  hwmon: (asus-ec-sensors) add support for Maximus XI Hero
  hwmon: (dell-smm) Improve assembly code
  hwmon: (pmbus/ltc2978) Set voltage resolution
  hwmon: (pmbus) Add list_voltage to pmbus ops
  ...
2022-08-02 11:07:04 -07:00
Linus Torvalds
530c28df03 pwm: Changes for v5.20-rc1
After v5.19 had all drivers converted to the new atomic API and nobody
 has reported any breakage, this set of changes starts by dropping the
 legacy support.
 
 Some existing drivers get improvements and broader chip support and a
 new driver is added that emulates a PWM controller using a clock output.
 
 Other than that there's the usual bits of cleanups and minor fixes.
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Merge tag 'pwm/for-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "After v5.19 had all drivers converted to the new atomic API and nobody
  has reported any breakage, this set of changes starts by dropping the
  legacy support.

  Some existing drivers get improvements and broader chip support and a
  new driver is added that emulates a PWM controller using a clock
  output.

  Other than that there's the usual bits of cleanups and minor fixes"

* tag 'pwm/for-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (21 commits)
  pwm: lpc18xx: Fix period handling
  pwm: lpc18xx: Convert to use dev_err_probe()
  pwm: twl-led: Document some limitations and link to the reference manual
  MAINTAINERS: Remove myself as PWM maintainer
  MAINTAINERS: Add include/dt-bindings/pwm to PWM SUBSYSTEM
  dt-bindings: pwm: mediatek: Add compatible string for MT8195
  pwm: Add clock based PWM output driver
  dt-bindings: pwm: Document clk based PWM controller
  pwm: sifive: Shut down hardware only after pwmchip_remove() completed
  pwm: sifive: Ensure the clk is enabled exactly once per running PWM
  pwm: sifive: Simplify clk handling
  pwm: sifive: Enable clk only after period check in .apply()
  pwm: sifive: Reduce time the controller lock is held
  pwm: sifive: Fold pwm_sifive_enable() into its only caller
  pwm: sifive: Simplify offset calculation for PWMCMP registers
  pwm: mediatek: Add MT8365 support
  dt-bindings: pwm: Add MT8365 SoC binding
  pwm: Drop unused forward declaration from pwm.h
  pwm: Reorder header file to get rid of struct pwm_capture forward declaration
  pwm: atmel-tcb: Fix typo in comment
  ...
2022-08-02 11:04:41 -07:00
Linus Torvalds
0805c6fb39 spi: Updates for v5.20
The big update this time around is some excellent work from David Jander
 who went through the fast path and really eliminated overheads, meaning
 that we are seeing a huge reduction in the time spent between transfers
 for single threaded clients. Benchmarking has been coming out at about a
 halving of overhead which is clearly visible in system level usage that
 stresses SPI like some CAN and IIO applications, especially with small
 transfers. Thanks to David for taking the time to drill down into this
 and push the work upstream.
 
 Otherwise there's been a bunch of new device support and the usual
 
  - Optimisation of the fast path, particularly around the number and
    types of locking operations, from David Jander.
  - Support for Arbel NPCM845, HP GXP, Intel Meteor Lake and Thunder Bay,
    MediaTek MT8188 and MT8365, Microchip FPGAs, nVidia Tegra 241 and
    Samsung Exynos Auto v9 and 4210.
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Merge tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "The big update this time around is some excellent work from David
  Jander who went through the fast path and really eliminated overheads,
  meaning that we are seeing a huge reduction in the time spent between
  transfers for single threaded clients.

  Benchmarking has been coming out at about a halving of overhead which
  is clearly visible in system level usage that stresses SPI like some
  CAN and IIO applications, especially with small transfers. Thanks to
  David for taking the time to drill down into this and push the work
  upstream.

  Otherwise there's been a bunch of new device support and the usual
  updates.

   - Optimisation of the fast path, particularly around the number and
     types of locking operations, from David Jander.

   - Support for Arbel NPCM845, HP GXP, Intel Meteor Lake and Thunder
     Bay, MediaTek MT8188 and MT8365, Microchip FPGAs, nVidia Tegra 241
     and Samsung Exynos Auto v9 and 4210"

* tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (97 commits)
  MAINTAINERS: add spi support to GXP
  spi: dt-bindings: add documentation for hpe,gxp-spifi
  spi: spi-gxp: Add support for HPE GXP SoCs
  spi: a3700: support BE for AC5 SPI driver
  spi/panel: dt-bindings: drop CPHA and CPOL from common properties
  spi: bcm2835: enable shared interrupt support
  spi: dt-bindings: spi-controller: correct example indentation
  spi: dt-bindings: qcom,spi-geni-qcom: allow three interconnects
  spi: npcm-fiu: Add NPCM8XX support
  dt-binding: spi: Add npcm845 compatible to npcm-fiu document
  spi: npcm-fiu: Modify direct read dummy configuration
  spi: atmel: remove #ifdef CONFIG_{PM, SLEEP}
  spi: dt-bindings: Add compatible for MediaTek MT8188
  spi: dt-bindings: mediatek,spi-mtk-nor: Update bindings for nor flash
  spi: dt-bindings: atmel,at91rm9200-spi: convert to json-schema
  spi: tegra20-slink: fix UAF in tegra_slink_remove()
  spi: Fix simplification of devm_spi_register_controller
  spi: microchip-core: switch to use dev_err_probe()
  spi: microchip-core: switch to use devm_spi_alloc_master()
  spi: microchip-core: fix UAF in mchp_corespi_remove()
  ...
2022-08-02 10:55:04 -07:00
Linus Torvalds
416e05e5b7 regulator: Updates for v5.20
This has been a fairly quiet release for the regulator API, a few new
 drivers and a small API update:
 
  - Support for specifying an initial load as part of requesting
    regulators through the bulk API.
  - Support for Maxim MAX597x, Qualcomm PM8074, PM8909 and Realtek RT5120
    devices.
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Merge tag 'regulator-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This has been a fairly quiet release for the regulator API, a few new
  drivers and a small API update:

   - Support for specifying an initial load as part of requesting
     regulators through the bulk API

   - Support for Maxim MAX597x, Qualcomm PM8074, PM8909 and Realtek
     RT5120 devices"

* tag 'regulator-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (35 commits)
  regulator: core: Allow drivers to define their init data as const
  regulator: core: Allow specifying an initial load w/ the bulk API
  regulator: mt6380: Fix unused array warning
  regulator: Add missing type for 'regulator-microvolt-offset'
  regulator: core: Fix off-on-delay-us for always-on/boot-on regulators
  regulator: of: Fix refcount leak bug in of_get_regulation_constraints()
  regulator: pwm: Update Lee Jones' email address
  regulator: max597x: Don't return uninitialized variable in .probe
  regulator: qcom,spmi-regulator: add PMP8074 PMIC
  regulator: qcom,spmi-regulator: Convert to dtschema
  regulator: qcom_spmi: add support for PMP8074 regulators
  regulator: qcom_spmi: add support for HT_P600
  regulator: qcom_spmi: add support for HT_P150
  regulator: max597x: Remove unused including <linux/version.h>
  regulator: Fix MFD_MAX597X dependency
  regulator: Fix parameter declaration and spelling mistake.
  regulator: max597x: Add support for max597x regulator
  regulator: scmi: Add missing of_node_get()
  regulator: qcom_smd: Add PM8909 RPM regulators
  regulator: dt-bindings: qcom,smd-rpm: Add PM8909
  ...
2022-08-02 10:23:10 -07:00
Linus Torvalds
2e7a95156d regmap: Updates for v5.20
The big thing this release is a big cleanup of the interrupt code from
 Aidan MacDonald, plus a few new API updates:
 
  - Rework of the interrupt code, making it much simpler and easier to
    extend.
  - Support for device specific update bits operations with devices that
    otherwise use bitstream interfaces.
  - Support for bit operations on fields as well as whole registers.
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Merge tag 'regmap-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "The big thing this release is a big cleanup of the interrupt code from
  Aidan MacDonald, plus a few new API updates:

   - Rework of the interrupt code, making it much simpler and easier to
     extend

   - Support for device specific update bits operations with devices
     that otherwise use bitstream interfaces

   - Support for bit operations on fields as well as whole registers"

* tag 'regmap-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: permit to set reg_update_bits with bulk implementation
  regmap: add WARN_ONCE when invalid mask is provided to regmap_field_init()
  regmap-irq: Fix bug in regmap_irq_get_irq_reg_linear()
  regmap: cache: Add extra parameter check in regcache_init
  regmap-irq: Deprecate the not_fixed_stride flag
  regmap-irq: Add get_irq_reg() callback
  regmap-irq: Fix inverted handling of unmask registers
  regmap-irq: Deprecate type registers and virtual registers
  regmap-irq: Introduce config registers for irq types
  regmap-irq: Refactor checks for status bulk read support
  regmap-irq: Remove mask_writeonly and regmap_irq_update_bits()
  regmap-irq: Remove inappropriate uses of regmap_irq_update_bits()
  regmap-irq: Remove an unnecessary restriction on type_in_mask
  regmap-irq: Cleanup sizeof(...) use in memory allocation
  regmap-irq: Remove unused type_reg_stride field
  regmap-irq: Convert bool bitfields to unsigned int
  regmap: Don't warn about cache only mode for devices with no cache
  regmap: provide regmap_field helpers for simple bit operations
  regmap: cache: Fix syntax errors in comments
2022-08-02 10:12:25 -07:00
Christoph Hellwig
cf5e7a6521 fs: remove the NULL get_block case in mpage_writepages
No one calls mpage_writepages with a NULL get_block paramter, so remove
support for that case.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Christoph Hellwig
f2d3e573bf fs: don't call ->writepage from __mpage_writepage
All callers of mpage_writepage use block_write_full_page as their
->writepage implementation when called from mpage_writepages
(although for ntfs3 this is obsfucated a bit).

Just call block_write_full_page directly instead of going through
the ->writepage indirection.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Christoph Hellwig
cc9cf350d1 fs: remove the nobh helpers
All callers are gone, so remove the now dead code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Christoph Hellwig
002cbb1356 jfs: stop using the nobh helper
The nobh mode is an obscure feature to save lowlevel for large memory
32-bit configurations while trading for much slower performance and
has been long obsolete.  Switch to the regular buffer head based helpers
instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Christoph Hellwig
0cc5b4ce7a ext2: remove nobh support
The nobh mode is an obscure feature to save lowlevel for large memory
32-bit configurations while trading for much slower performance and
has been long obsolete.  Remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Christoph Hellwig
9139710148 ntfs3: refactor ntfs_writepages
Handle the resident case with an explicit generic_writepages call instead
of using the obscure overload that makes mpage_writepages with a NULL
get_block do the same thing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
9800562f2a mm/folio-compat: Remove migration compatibility functions
migrate_page_move_mapping(), migrate_page_copy() and migrate_page_states()
are all now unused after converting all the filesystems from
aops->migratepage() to aops->migrate_folio().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
9d0ddc0cb5 fs: Remove aops->migratepage()
With all users converted to migrate_folio(), remove this operation.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
5409548df3 secretmem: Convert to migrate_folio
This is little more than changing the types over; there's no real work
being done in this function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
b890ec2a2c hugetlb: Convert to migrate_folio
This involves converting migrate_huge_page_move_mapping().  We also need a
folio variant of hugetlb_set_page_subpool(), but that's for a later patch.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
3648951ceb aio: Convert to migrate_folio
Use a folio throughout this function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
1d5b9bd656 f2fs: Convert to filemap_migrate_folio()
filemap_migrate_folio() fits f2fs's needs perfectly.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Chao Yu <chao@kernel.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
e7b15bae55 ubifs: Convert to filemap_migrate_folio()
filemap_migrate_folio() is a little more general than ubifs really needs,
but it's better to share the code.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
e7a60a1787 btrfs: Convert btrfs_migratepage to migrate_folio
Use filemap_migrate_folio() to do the bulk of the work, and then copy
the ordered flag across if needed.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Sterba <dsterba@suse.com>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
2ec810d596 mm/migrate: Add filemap_migrate_folio()
There is nothing iomap-specific about iomap_migratepage(), and it fits
a pattern used by several other filesystems, so move it to mm/migrate.c,
convert it to be filemap_migrate_folio() and convert the iomap filesystems
to use it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
541846502f mm/migrate: Convert migrate_page() to migrate_folio()
Convert all callers to pass a folio.  Most have the folio
already available.  Switch all users from aops->migratepage to
aops->migrate_folio.  Also turn the documentation into kerneldoc.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Sterba <dsterba@suse.com>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
4ae84a8047 nfs: Convert to migrate_folio
Use a folio throughout this function.  migrate_page() will be converted
later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
8958b55142 btrfs: Convert btree_migratepage to migrate_folio
Use a folio throughout this function.  migrate_page() will be converted
later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Sterba <dsterba@suse.com>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
108ca83581 mm/migrate: Convert expected_page_refs() to folio_expected_refs()
Now that both callers have a folio, convert this function to
take a folio & rename it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
67235182a4 mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()
Use a folio throughout __buffer_migrate_folio(), add kernel-doc for
buffer_migrate_folio() and buffer_migrate_folio_norefs(), move their
declarations to buffer.h and switch all filesystems that have wired
them up.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
2be7fa10c0 mm/migrate: Convert writeout() to take a folio
Use a folio throughout this function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
8faa8ef5dd mm/migrate: Convert fallback_migrate_page() to fallback_migrate_folio()
Use a folio throughout.  migrate_page() will be converted to
migrate_folio() later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
5490da4f06 fs: Add aops->migrate_folio
Provide a folio-based replacement for aops->migratepage.  Update the
documentation to document migrate_folio instead of migratepage.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
68f2736a85 mm: Convert all PageMovable users to movable_operations
These drivers are rather uncomfortably hammered into the
address_space_operations hole.  They aren't filesystems and don't behave
like filesystems.  They just need their own movable_operations structure,
which we can point to directly from page->mapping.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
81218f80a7 secretmem: Remove isolate_page
The isolate_page operation is never called for filesystems, only
for device drivers which call SetPageMovable.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
37ce0b319b ext2: Use a folio in ext2_get_page()
Remove a call to read_mapping_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00