From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 13 Mar 2009 11:21:28 +0000 (+0100)
Subject: perf_counter: x86: fix 32-bit irq_period assumption
X-Git-Tag: upstream/snapshot3+hdmi~18661^2~483
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=595258aaeac4cc6e187b98b1bf29bb176febe763;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

perf_counter: x86: fix 32-bit irq_period assumption

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>
---

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 155bc3c..1cedc34 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -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;
 
 	/*