cgroup: cgroup_idr_lock should be bh
authorTejun Heo <tj@kernel.org>
Tue, 13 May 2014 16:10:59 +0000 (12:10 -0400)
committerTejun Heo <tj@kernel.org>
Tue, 13 May 2014 16:10:59 +0000 (12:10 -0400)
cgroup_idr_remove() can be invoked from bh leading to lockdep
detecting possible AA deadlock (IN_BH/ON_BH).  Make the lock bh-safe.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
kernel/cgroup.c

diff --cc kernel/cgroup.c
Simple merge