perf, gcc-4.6: Fix set but unused variable

Just dead code I believe.

Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: [email protected]
Cc: Peter Zijlstra <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 6526a86616a77fefb433c61c3c219633444b9089..e2513f26ba8bbbf45eef5a4f510b9f439d55402b 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1152,7 +1152,6 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
        struct perf_sample_data data;
        struct cpu_hw_events *cpuc;
        struct perf_event *event;
-       struct hw_perf_event *hwc;
        int idx, handled = 0;
        u64 val;
 
@@ -1173,7 +1172,6 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
                }
 
                event = cpuc->events[idx];
-               hwc = &event->hw;
 
                val = x86_perf_event_update(event);
                if (val & (1ULL << (x86_pmu.cntval_bits - 1)))