From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 15 Mar 2020 19:55:52 +0000 (-0700)
Subject: Merge tag 'locking-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel... 
X-Git-Tag: v5.15~4314
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34d5a4b336e7e4c247d532a841d05367357197f8;p=platform%2Fkernel%2Flinux-starfive.git

Merge tag 'locking-urgent-2020-03-15' of git://git./linux/kernel/git/tip/tip

Pull futex fix from Thomas Gleixner:
 "Fix for yet another subtle futex issue.

  The futex code used ihold() to prevent inodes from vanishing, but
  ihold() does not guarantee inode persistence. Replace the inode
  pointer with a per boot, machine wide, unique inode identifier.

  The second commit fixes the breakage of the hash mechanism which
  causes a 100% performance regression"

* tag 'locking-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Unbreak futex hashing
  futex: Fix inode life-time issue
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34d5a4b336e7e4c247d532a841d05367357197f8