From: Tejun Heo <tj@kernel.org>
Date: Tue, 13 May 2014 16:10:59 +0000 (-0400)
Subject: cgroup: cgroup_idr_lock should be bh
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~81^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54504e977ceee0bea6fbe8b632eceea771b18c6c;p=pandora-kernel.git

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>
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