[PATCH 03/11] perf_counter: x86: fix 32bit irq_period assumption.

From: Peter Zijlstra
Date: Fri Mar 13 2009 - 07:24:47 EST


No need to assume the irq_period is 32bit.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
arch/x86/kernel/cpu/perf_counter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/x86/kernel/cpu/perf_counter.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/perf_counter.c
+++ linux-2.6/arch/x86/kernel/cpu/perf_counter.c
@@ -449,7 +449,7 @@ __hw_perf_counter_set_period(struct perf
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;

/*

--

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