From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Fri, 25 Jan 2008 20:08:25 +0000 (+0100)
Subject: Preempt-RCU: CPU Hotplug handling
X-Git-Tag: v2.6.25-rc1~1237^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eaf649e9fe6685f4c5a392cd0e16df5fd6660b7c;p=pandora-kernel.git

Preempt-RCU: CPU Hotplug handling

This patch allows preemptible RCU to tolerate CPU-hotplug operations.
It accomplishes this by maintaining a local copy of a map of online
CPUs, which it accesses under its own lock.

Signed-off-by: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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