Messages in this thread Patch in this message | | | Date | Fri, 13 Mar 2009 13:00:48 GMT | From | Peter Zijlstra <> | Subject | [tip:perfcounters/core] perf_counter: x86: fix 32-bit irq_period assumption |
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Commit-ID: 83c4b62d58add88f9b3d13062b706d57786dbd46 Gitweb: http://git.kernel.org/tip/83c4b62d58add88f9b3d13062b706d57786dbd46 Author: Peter Zijlstra <a.p.zijlstra@chello.nl> AuthorDate: Fri, 13 Mar 2009 12:21:28 +0100 Commit: Ingo Molnar <mingo@elte.hu> CommitDate: Fri, 13 Mar 2009 13:59:07 +0100
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> LKML-Reference: <20090313112301.188032328@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
--- arch/x86/kernel/cpu/perf_counter.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
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; /*
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