On 09/25/2012 06:44 PM, Stephane Eranian wrote: > Hi, > > I don't understand why the local variable box needs to > be declared static here: > > static struct intel_uncore_box * > uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu) > { > static struct intel_uncore_box *box; > > box = *per_cpu_ptr(pmu->box, cpu); > if (box) > return box; > .... > } >
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