From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 16 Sep 2019 23:49:55 +0000 (-0700)
Subject: Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel... 
X-Git-Tag: v5.4-rc1~178
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c7eba51cfdf9cd1ca7ed4201b30be8b2bef15ff5;p=platform%2Fkernel%2Flinux-rpi.git

Merge branch 'locking-core-for-linus' of git://git./linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

 - improve rwsem scalability

 - add uninitialized rwsem debugging check

 - reduce lockdep's stacktrace memory usage and add diagnostics

 - misc cleanups, code consolidation and constification

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  mutex: Fix up mutex_waiter usage
  locking/mutex: Use mutex flags macro instead of hard code
  locking/mutex: Make __mutex_owner static to mutex.c
  locking/qspinlock,x86: Clarify virt_spin_lock_key
  locking/rwsem: Check for operations on an uninitialized rwsem
  locking/rwsem: Make handoff writer optimistically spin on owner
  locking/lockdep: Report more stack trace statistics
  locking/lockdep: Reduce space occupied by stack traces
  stacktrace: Constify 'entries' arguments
  locking/lockdep: Make it clear that what lock_class::key points at is not modified
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c7eba51cfdf9cd1ca7ed4201b30be8b2bef15ff5