From: Li Zefan <lizefan@huawei.com>
Date: Mon, 3 Mar 2014 22:28:36 +0000 (-0500)
Subject: cpuset: use rcu_read_lock() to protect task_cs()
X-Git-Tag: v3.15-rc1~109^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8dadcb58d542ecbf1d3dae5fefcd3fd8cb26539;p=pandora-kernel.git

cpuset: use rcu_read_lock() to protect task_cs()

We no longer use task_lock() to protect tsk->cgroups.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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