From 5a43b88e98eaca88fa12abcacd0000adc879dd2c Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 24 Dec 2014 17:55:28 +0800
Subject: [PATCH] rcu: Remove "select IRQ_WORK" from config TREE_RCU

The 48a7639ce80c ("rcu: Make callers awaken grace-period kthread")
removed the irq_work_queue(), so the TREE_RCU doesn't need
irq work any more.  This commit therefore updates RCU's Kconfig and

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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Reading git-format-patch failed