From a8f4cbadfb5c5f7f5d9eef70821276a4e2e9289d Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Fri, 31 Oct 2014 13:48:41 -0700
Subject: [PATCH] rcu: Shorten irq-disable region in rcu_cleanup_dead_cpu()

Now that we are not migrating callbacks, there is no need to hold the
->orphan_lock across the the ->qsmaskinit bit-clearing process.
This commit therefore releases ->orphan_lock immediately after adopting
the orphaned RCU callbacks.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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