From 99afb0fd5f05aac467ffa85c36778fec4396209b Mon Sep 17 00:00:00 2001
From: Li Zefan <lizefan@huawei.com>
Date: Thu, 27 Feb 2014 18:19:36 +0800
Subject: [PATCH] cpuset: fix a race condition in
 __cpuset_node_allowed_softwall()

It's not safe to access task's cpuset after releasing task_lock().
Holding callback_mutex won't help.

Cc: <stable@vger.kernel.org>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Reading git-format-patch failed