linux-kernel - [GIT PULL] cgroup fixes for v5.14-rc6

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Date:   Mon, 9 Aug 2021 13:01:54 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, cgroups@...r.kernel.org
Subject: [GIT PULL] cgroup fixes for v5.14-rc6

Hello,

One commit to fix a possible A-A deadlock around u64_stats_sync on
32bit machines caused by updating it without disabling IRQ when it may
be read from IRQ context.

Thanks.

The following changes since commit 1e7107c5ef44431bc1ebbd4c353f1d7c22e5f2ec:

  cgroup1: fix leaked context root causing sporadic NULL deref in LTP (2021-07-21 06:39:20 -1000)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-5.14-fixes

for you to fetch changes up to c3df5fb57fe8756d67fd56ed29da65cdfde839f9:

  cgroup: rstat: fix A-A deadlock on 32bit around u64_stats_sync (2021-07-27 13:12:20 -1000)

----------------------------------------------------------------
Tejun Heo (1):
      cgroup: rstat: fix A-A deadlock on 32bit around u64_stats_sync

 block/blk-cgroup.c    | 14 ++++++++------
 kernel/cgroup/rstat.c | 19 +++++++++++--------
 2 files changed, 19 insertions(+), 14 deletions(-)

-- 
tejun