From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Thu, 17 Nov 2011 01:48:21 +0000 (-0800)
Subject: rcu: Add rcutorture CPU-hotplug capability
X-Git-Tag: v3.3-rc1~193^2^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b58bdccaa8d908e0f71dae396468a0d3f7bb3125;p=pandora-kernel.git

rcu: Add rcutorture CPU-hotplug capability

Running CPU-hotplug operations concurrently with rcutorture has
historically been a good way to find bugs in both RCU and CPU hotplug.
This commit therefore adds an rcutorture module parameter called
"onoff_interval" that causes a randomly selected CPU-hotplug operation to
be executed at the specified interval, in seconds.  The default value of
"onoff_interval" is zero, which disables rcutorture-instigated CPU-hotplug
operations.

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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