From: Li Zefan <lizefan@huawei.com>
Date: Tue, 12 Mar 2013 22:35:59 +0000 (-0700)
Subject: cgroup: hold cgroup_mutex before calling css_offline()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~124^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7eeac1913ff86a17f891cb4b73f03d4b94907d0;p=pandora-kernel.git

cgroup: hold cgroup_mutex before calling css_offline()

cpuset no longer nests cgroup_mutex inside cpu_hotplug lock, so
we don't have to release cgroup_mutex before calling css_offline().

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