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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-03-02 21:16:55 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-10 13:22:29 +0100 |
| commit | 34538ee77b39a12702e0f4c3ed9e8fa2dd5eb92c (patch) | |
| tree | af887af1600921641c92d1ae637274bb11728b28 /arch/x86/kernel/cpu/perf_event_amd.c | |
| parent | aff3d91a913c9ae0c2f56b65b27cbd00c7d27ee3 (diff) | |
| download | kernel_samsung_tuna-34538ee77b39a12702e0f4c3ed9e8fa2dd5eb92c.zip kernel_samsung_tuna-34538ee77b39a12702e0f4c3ed9e8fa2dd5eb92c.tar.gz kernel_samsung_tuna-34538ee77b39a12702e0f4c3ed9e8fa2dd5eb92c.tar.bz2 | |
perf, x86: Use unlocked bitops
There is no concurrency on these variables, so don't use LOCK'ed ops.
As to the intel_pmu_handle_irq() status bit clean, nobody uses that so
remove it all together.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
LKML-Reference: <20100304140100.240023029@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_amd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 014528b..573458f 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -287,7 +287,7 @@ static struct amd_nb *amd_alloc_nb(int cpu, int nb_id) * initialize all possible NB constraints */ for (i = 0; i < x86_pmu.num_events; i++) { - set_bit(i, nb->event_constraints[i].idxmsk); + __set_bit(i, nb->event_constraints[i].idxmsk); nb->event_constraints[i].weight = 1; } return nb; |