From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Sun, 30 Dec 2012 23:21:01 +0000 (-0800)
Subject: rcu: Abstract rcu_start_future_gp() from rcu_nocb_wait_gp()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~120^2^2^3~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0446be489795d8bb994125a916ef03211f539e54;p=pandora-kernel.git

rcu: Abstract rcu_start_future_gp() from rcu_nocb_wait_gp()

CPUs going idle will need to record the need for a future grace
period, but won't actually need to block waiting on it.  This commit
therefore splits rcu_start_future_gp(), which does the recording, from
rcu_nocb_wait_gp(), which now invokes rcu_start_future_gp() to do the
recording, after which rcu_nocb_wait_gp() does the waiting.

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

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