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| author | Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> | 2012-10-16 13:28:17 +0530 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-10-24 10:01:59 +0200 |
| commit | c13d38e4a1fd5dd07135403c613c8091af444169 (patch) | |
| tree | 85bdc667286f9c9d4437c2020f2dd0d60a8f2c89 /arch | |
| parent | 6760bca9fd16256210f4922a3e9f067d2c7017d7 (diff) | |
| download | lwn-c13d38e4a1fd5dd07135403c613c8091af444169.tar.gz lwn-c13d38e4a1fd5dd07135403c613c8091af444169.zip | |
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>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions