From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 5 May 2023 19:56:55 +0000 (-0700)
Subject: Merge tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel... 
X-Git-Tag: v6.6.7~2891
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b115d85a9584c98f9a7dec209d835462aa1adc09;p=platform%2Fkernel%2Flinux-starfive.git

Merge tag 'locking-core-2023-05-05' of git://git./linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

 - Introduce local{,64}_try_cmpxchg() - a slightly more optimal
   primitive, which will be used in perf events ring-buffer code

 - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation

 - Misc cleanups/fixes

* tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/atomic: Correct (cmp)xchg() instrumentation
  locking/x86: Define arch_try_cmpxchg_local()
  locking/arch: Wire up local_try_cmpxchg()
  locking/generic: Wire up local{,64}_try_cmpxchg()
  locking/atomic: Add generic try_cmpxchg{,64}_local() support
  locking/rwbase: Mitigate indefinite writer starvation
  locking/arch: Rename all internal __xchg() names to __arch_xchg()
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b115d85a9584c98f9a7dec209d835462aa1adc09