pmu_reserve_mutex 546 arch/mips/kernel/perf_event_mipsxx.c static DEFINE_MUTEX(pmu_reserve_mutex); pmu_reserve_mutex 597 arch/mips/kernel/perf_event_mipsxx.c &pmu_reserve_mutex)) { pmu_reserve_mutex 605 arch/mips/kernel/perf_event_mipsxx.c mutex_unlock(&pmu_reserve_mutex); pmu_reserve_mutex 631 arch/mips/kernel/perf_event_mipsxx.c mutex_lock(&pmu_reserve_mutex); pmu_reserve_mutex 637 arch/mips/kernel/perf_event_mipsxx.c mutex_unlock(&pmu_reserve_mutex);