From: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Date: Tue, 16 Oct 2012 07:58:17 +0000 (+0530)
Subject: perf, cpu hotplug: Use cached value of smp_processor_id()
X-Git-Tag: v3.7-rc3~20^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c13d38e4a1fd5dd07135403c613c8091af444169;p=pandora-kernel.git

perf, cpu hotplug: Use cached value of smp_processor_id()

The perf_cpu_notifier() macro invokes smp_processor_id()
multiple times. Optimize it by using a local variable.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: peterz@infradead.org
Cc: acme@ghostprotocols.net
Link: http://lkml.kernel.org/r/20121016075817.3572.76733.stgit@srivatsabhat.in.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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