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perf_counter: x86: fix 32-bit irq_period assumption

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No need to assume the irq_period is 32bit.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-03-13 12:21:28 +01:00 committed by Ingo Molnar
parent f541ae326f
commit 595258aaea
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/cpu/perf_counter.c
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@ -449,7 +449,7 @@ __hw_perf_counter_set_period(struct perf_counter *counter,
struct hw_perf_counter *hwc, int idx)
{
s64 left = atomic64_read(&hwc->period_left);
s32 period = hwc->irq_period;
s64 period = hwc->irq_period;
int err;
/*