[GIT PULL] cgroup fixes for v5.7-rc7

[Tejun Heo]

Hello, Linus.

* Reverted stricter synchronization for cgroup recursive stats which was
  prepping it for event counter usage which never got merged. The change was
  causing performation regressions in some cases.

* Restore bpf-based device-cgroup operation even when cgroup1 device cgroup
  is disabled.

* An out-param init fix.

Thanks.

The following changes since commit 87ebc45d2d32936fb1c8242032eb0b9bcd058858:

  Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux (2020-04-09 11:04:16 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-5.7-fixes

for you to fetch changes up to eec8fd0277e37cf447b88c6be181e81df867bcf1:

  device_cgroup: Cleanup cgroup eBPF device filter code (2020-04-13 14:41:54 -0400)

----------------------------------------------------------------
Daniel Xu (1):
      xattr: fix uninitialized out-param

Odin Ugedal (1):
      device_cgroup: Cleanup cgroup eBPF device filter code

Tejun Heo (1):
      Revert "cgroup: Add memory barriers to plug cgroup_rstat_updated() race window"

 drivers/gpu/drm/amd/amdkfd/kfd_priv.h |  2 +-
 fs/xattr.c                            |  6 +++---
 include/linux/device_cgroup.h         | 14 +++++---------
 kernel/cgroup/rstat.c                 | 16 +++-------------
 security/Makefile                     |  2 +-
 security/device_cgroup.c              | 19 ++++++++++++++++---
 6 files changed, 29 insertions(+), 30 deletions(-)

-- 
tejun