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    Subject[tip:perfcounters/core] perf_counter: x86: fix 32-bit irq_period assumption
    Commit-ID:  c1c159de20d96a5505dfc0337ca7169a088ebd64
    Gitweb: http://git.kernel.org/tip/c1c159de20d96a5505dfc0337ca7169a088ebd64
    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 14:02:42 +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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