From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 21 Feb 2023 01:18:23 +0000 (-0800)
Subject: Merge tag 'locking-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel... 
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6e649d08568220ee88deef0a1ad8b3a935420cf2;p=linux.git

Merge tag 'locking-core-2023-02-20' of git://git./linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

 - rwsem micro-optimizations

 - spinlock micro-optimizations

 - cleanups, simplifications

* tag 'locking-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  vduse: Remove include of rwlock.h
  locking/lockdep: Remove lockdep_init_map_crosslock.
  x86/ACPI/boot: Use try_cmpxchg() in __acpi_{acquire,release}_global_lock()
  x86/PAT: Use try_cmpxchg() in set_page_memtype()
  locking/rwsem: Disable preemption in all down_write*() and up_write() code paths
  locking/rwsem: Disable preemption in all down_read*() and up_read() code paths
  locking/rwsem: Prevent non-first waiter from spinning in down_write() slowpath
  locking/qspinlock: Micro-optimize pending state waiting for unlock
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6e649d08568220ee88deef0a1ad8b3a935420cf2