linux-kernel - [GIT PULL] locking changes for v6.17

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Message-ID: <aIhvlNUoN5KyPzg6@gmail.com>
Date: Tue, 29 Jul 2025 08:52:04 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>, Will Deacon <will@...nel.org>,
	Waiman Long <longman@...hat.com>, Boqun Feng <boqun.feng@...il.com>,
	Borislav Petkov <bp@...en8.de>, Uros Bizjak <ubizjak@...il.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [GIT PULL] locking changes for v6.17

Linus,

Please pull the latest locking/core Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-core-2025-07-29

   # HEAD: ba28549bad8ab2b09264ebc8c2ca24af3537ee52 Merge tag 'lockdep-for-tip.2025.07.16' of git://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux into locking/core

Locking updates for v6.16:

Locking primitives:

  - Mark devm_mutex_init() as __must_check and fix drivers
    that didn't check the return code. (Thomas Weißschuh)

  - Reorganize <linux/local_lock.h> to better expose the
    internal APIs to local variables. (Sebastian Andrzej Siewior)

  - Remove OWNER_SPINNABLE in rwsem (Jinliang Zheng)

  - Remove redundant #ifdefs in the mutex code (Ran Xiaokai)

Lockdep:

  - Avoid returning struct in lock_stats() (Arnd Bergmann)

  - Change `static const` into enum for LOCKF_*_IRQ_*
    (Arnd Bergmann)

  - Temporarily use synchronize_rcu_expedited() in
    lockdep_unregister_key() to speed things up.
    (Breno Leitao)

Rust runtime:

  - Add #[must_use] to Lock::try_lock() (Jason Devers)

 Thanks,

	Ingo

------------------>
Arnd Bergmann (2):
      locking/lockdep: Avoid struct return in lock_stats()
      locking/lockdep: Change 'static const' variables to enum values

Breno Leitao (1):
      lockdep: Speed up lockdep_unregister_key() with expedited RCU synchronization

Jason Devers (1):
      rust: sync: Add #[must_use] to Lock::try_lock()

Jinliang Zheng (1):
      locking/rwsem: Use OWNER_NONSPINNABLE directly instead of OWNER_SPINNABLE

Ran Xiaokai (1):
      locking/mutex: Remove redundant #ifdefs

Sebastian Andrzej Siewior (1):
      local_lock: Move this_cpu_ptr() notation from internal to main header

Thomas Weißschuh (3):
      spi: spi-nxp-fspi: Check return value of devm_mutex_init()
      leds: lp8860: Check return value of devm_mutex_init()
      locking/mutex: Mark devm_mutex_init() as __must_check


 drivers/leds/leds-lp8860.c          |  4 +++-
 drivers/spi/spi-nxp-fspi.c          |  4 +++-
 include/linux/local_lock.h          | 20 +++++++++----------
 include/linux/local_lock_internal.h | 30 ++++++++++++++--------------
 include/linux/lockdep_types.h       |  2 +-
 include/linux/mutex.h               | 11 +++++++----
 kernel/locking/lockdep.c            | 39 +++++++++++++++++++++----------------
 kernel/locking/lockdep_internals.h  | 18 +++++++++--------
 kernel/locking/lockdep_proc.c       |  2 +-
 kernel/locking/mutex.c              |  4 ----
 kernel/locking/rwsem.c              |  4 +---
 rust/kernel/sync/lock.rs            |  2 ++
 12 files changed, 75 insertions(+), 65 deletions(-)