From e0e80a02e5701c8790bd348ab59edb154fbda60b Mon Sep 17 00:00:00 2001
From: Li Zhong <zhong@linux.vnet.ibm.com>
Date: Sat, 27 Apr 2013 06:52:43 -0700
Subject: [PATCH] cpuset: use rebuild_sched_domains() in
 cpuset_hotplug_workfn()

In cpuset_hotplug_workfn(), partition_sched_domains() is called without
hotplug lock held, which is actually needed (stated in the function
header of partition_sched_domains()).

This patch tries to use rebuild_sched_domains() to solve the above
issue, and makes the code looks a little simpler.

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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