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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)
commit54504e977ceee0bea6fbe8b632eceea771b18c6c
tree61d7e8f9bfc78a7cd92a0860669a5a38dcd06d24tree | snapshot (tar.gz zip)
parent0cee8b7786467907e12d1d8f872e6dc73bc95204commit | diff
cgroup: cgroup_idr_lock should be bh

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 | blob | blame | history