[GIT PULL] cgroup changes for v5.16-rc1

From: Tejun Heo
Date: Tue Nov 02 2021 - 12:48:23 EST


Hello,

* The misc controller now reports allocation rejections through misc.events
instead of printking.

* cgroup_mutex usage is reduced to improve scalability of some operations.

* vhost helper threads are now assigned to the right cgroup on cgroup2.

* Bug fixes.

Thanks.

The following changes since commit c0002d11d79900f8aa5c8375336434940d6afedf:

cgroupv2, docs: fix misinformation in "device controller" section (2021-09-13 08:08:46 -1000)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-5.16

for you to fetch changes up to 588e5d8766486e52ee332a4bb097b016a355b465:

cgroup: bpf: Move wrapper for __cgroup_bpf_*() to kernel/bpf/cgroup.c (2021-11-01 06:49:00 -1000)

----------------------------------------------------------------
Chunguang Xu (3):
misc_cgroup: introduce misc.events to count failures
misc_cgroup: remove error log to avoid log flood
docs/cgroup: add entry for misc.events

Dan Schatzberg (1):
cgroup: Fix rootcg cpu.stat guest double counting

He Fengqing (1):
cgroup: bpf: Move wrapper for __cgroup_bpf_*() to kernel/bpf/cgroup.c

Shakeel Butt (3):
cgroup: reduce dependency on cgroup_mutex
cgroup: remove cgroup_mutex from cgroupstats_build
cgroup: no need for cgroup_mutex for /proc/cgroups

Vishal Verma (1):
cgroup: cgroup-v1: do not exclude cgrp_dfl_root

Waiman Long (1):
cgroup: Make rebind_subsystems() disable v2 controllers all at once

Documentation/admin-guide/cgroup-v2.rst | 10 +++
include/linux/bpf-cgroup.h | 20 ------
include/linux/misc_cgroup.h | 6 +-
kernel/bpf/cgroup.c | 54 +++++++++++---
kernel/cgroup/cgroup-v1.c | 17 ++---
kernel/cgroup/cgroup.c | 120 +++++++++++++++-----------------
kernel/cgroup/misc.c | 31 +++++++--
kernel/cgroup/rstat.c | 2 -
8 files changed, 144 insertions(+), 116 deletions(-)

--
tejun