From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Tue, 20 May 2014 09:46:27 +0000 (+0800)
Subject: workqueue: use manager lock only to protect worker_idr
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~83^2~15
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9625ab1727743f6a164df26b7b1eeeced7380b42;p=pandora-kernel.git

workqueue: use manager lock only to protect worker_idr

worker_idr is highly bound to managers and is always/only accessed in manager
lock context. So we don't need pool->lock for it.

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