perf/x86: Fix typo in uncore_pmu_to_box

The variable box should not be declared as static.

This could probably cause crashes with sufficiently parallel
uncore PMU use.

Signed-off-by: Yan, Zheng <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 38e4894165b9cdc096e038de65fc4ee04bdb0690..c7c55e74ac60fd028c98dc804ce3a8044655be54 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -1950,7 +1950,7 @@ struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cp
 static struct intel_uncore_box *
 uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu)
 {
-       static struct intel_uncore_box *box;
+       struct intel_uncore_box *box;
 
        box = *per_cpu_ptr(pmu->box, cpu);
        if (box)