From 881094532e2a27406a5f06f839087bd152a8a494 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 20 Mar 2013 03:28:10 +0800
Subject: [PATCH] workqueue: use rcu_read_lock_sched() instead for accessing
 pwq in RCU

rcu_read_lock_sched() is better than preempt_disable() if the code is
protected by RCU_SCHED.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Reading git-format-patch failed