From 34538ee77b39a12702e0f4c3ed9e8fa2dd5eb92c Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 2 Mar 2010 21:16:55 +0100 Subject: 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 Cc: paulus@samba.org Cc: eranian@google.com Cc: robert.richter@amd.com Cc: fweisbec@gmail.com Cc: Arnaldo Carvalho de Melo LKML-Reference: <20100304140100.240023029@chello.nl> Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/perf_event_amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/x86/kernel/cpu/perf_event_amd.c') diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 014528ba7d57..573458f1caf2 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; -- cgit v1.2.3