linux-kernel - [GIT PULL] locking changes for v6.3

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Message-ID: <Y/NmzouehvMWTPVZ@gmail.com>
Date:   Mon, 20 Feb 2023 13:25:50 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] locking changes for v6.3


Linus,

Please pull the latest locking tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-core-2023-02-20

   # HEAD: 3b4863fa5b7dd50dab1b10abbed938efd203752f vduse: Remove include of rwlock.h

Updates for this cycle were:

 - rwsem micro-optimizations
 - spinlock micro-optimizations
 - cleanups, simplifications

 Thanks,

	Ingo

------------------>
Guo Ren (1):
      locking/qspinlock: Micro-optimize pending state waiting for unlock

Sebastian Andrzej Siewior (2):
      locking/lockdep: Remove lockdep_init_map_crosslock.
      vduse: Remove include of rwlock.h

Uros Bizjak (2):
      x86/PAT: Use try_cmpxchg() in set_page_memtype()
      x86/ACPI/boot: Use try_cmpxchg() in __acpi_{acquire,release}_global_lock()

Waiman Long (3):
      locking/rwsem: Prevent non-first waiter from spinning in down_write() slowpath
      locking/rwsem: Disable preemption in all down_read*() and up_read() code paths
      locking/rwsem: Disable preemption in all down_write*() and up_write() code paths


 arch/x86/kernel/acpi/boot.c          | 16 +++----
 arch/x86/mm/pat/memtype.c            |  4 +-
 drivers/vdpa/vdpa_user/iova_domain.h |  1 -
 include/linux/lockdep.h              |  1 -
 kernel/locking/qspinlock.c           |  4 +-
 kernel/locking/rwsem.c               | 87 +++++++++++++++++++++---------------
 6 files changed, 64 insertions(+), 49 deletions(-)