317 	struct imc_pmu_ref *ref;  in ppc_nest_imc_cpu_offline()  local
361 		ref = get_nest_pmu_ref(cpu);  in ppc_nest_imc_cpu_offline()
362 		if (!ref)  in ppc_nest_imc_cpu_offline()
365 		ref->refc = 0;  in ppc_nest_imc_cpu_offline()
411 	struct imc_pmu_ref *ref;  in nest_imc_counters_release()  local
424 	ref = get_nest_pmu_ref(event->cpu);  in nest_imc_counters_release()
425 	if (!ref)  in nest_imc_counters_release()
429 	mutex_lock(&ref->lock);  in nest_imc_counters_release()
430 	if (ref->refc == 0) {  in nest_imc_counters_release()
441 		mutex_unlock(&ref->lock);  in nest_imc_counters_release()
444 	ref->refc--;  in nest_imc_counters_release()
445 	if (ref->refc == 0) {  in nest_imc_counters_release()
449 			mutex_unlock(&ref->lock);  in nest_imc_counters_release()
453 	} else if (ref->refc < 0) {  in nest_imc_counters_release()
455 		ref->refc = 0;  in nest_imc_counters_release()
457 	mutex_unlock(&ref->lock);  in nest_imc_counters_release()
466 	struct imc_pmu_ref *ref;  in nest_imc_event_init()  local
523 	ref = get_nest_pmu_ref(event->cpu);  in nest_imc_event_init()
524 	if (!ref)  in nest_imc_event_init()
527 	mutex_lock(&ref->lock);  in nest_imc_event_init()
528 	if (ref->refc == 0) {  in nest_imc_event_init()
532 			mutex_unlock(&ref->lock);  in nest_imc_event_init()
538 	++ref->refc;  in nest_imc_event_init()
539 	mutex_unlock(&ref->lock);  in nest_imc_event_init()
630 	struct imc_pmu_ref *ref;  in ppc_core_imc_cpu_offline()  local
668 		ref = &core_imc_refc[core_id];  in ppc_core_imc_cpu_offline()
669 		if (!ref)  in ppc_core_imc_cpu_offline()
672 		ref->refc = 0;  in ppc_core_imc_cpu_offline()
688 	struct imc_pmu_ref *ref;  in core_imc_counters_release()  local
701 	ref = &core_imc_refc[core_id];  in core_imc_counters_release()
702 	if (!ref)  in core_imc_counters_release()
705 	mutex_lock(&ref->lock);  in core_imc_counters_release()
706 	if (ref->refc == 0) {  in core_imc_counters_release()
717 		mutex_unlock(&ref->lock);  in core_imc_counters_release()
720 	ref->refc--;  in core_imc_counters_release()
721 	if (ref->refc == 0) {  in core_imc_counters_release()
725 			mutex_unlock(&ref->lock);  in core_imc_counters_release()
729 	} else if (ref->refc < 0) {  in core_imc_counters_release()
731 		ref->refc = 0;  in core_imc_counters_release()
733 	mutex_unlock(&ref->lock);  in core_imc_counters_release()
742 	struct imc_pmu_ref *ref;  in core_imc_event_init()  local
779 	ref = &core_imc_refc[core_id];  in core_imc_event_init()
780 	if (!ref)  in core_imc_event_init()
789 	mutex_lock(&ref->lock);  in core_imc_event_init()
790 	if (ref->refc == 0) {  in core_imc_event_init()
794 			mutex_unlock(&ref->lock);  in core_imc_event_init()
800 	++ref->refc;  in core_imc_event_init()
801 	mutex_unlock(&ref->lock);  in core_imc_event_init()
997 	struct imc_pmu_ref *ref;  in thread_imc_event_add()  local
1012 	ref = &core_imc_refc[core_id];  in thread_imc_event_add()
1013 	if (!ref)  in thread_imc_event_add()
1016 	mutex_lock(&ref->lock);  in thread_imc_event_add()
1017 	if (ref->refc == 0) {  in thread_imc_event_add()
1020 			mutex_unlock(&ref->lock);  in thread_imc_event_add()
1026 	++ref->refc;  in thread_imc_event_add()
1027 	mutex_unlock(&ref->lock);  in thread_imc_event_add()
1035 	struct imc_pmu_ref *ref;  in thread_imc_event_del()  local
1044 	ref = &core_imc_refc[core_id];  in thread_imc_event_del()
1046 	mutex_lock(&ref->lock);  in thread_imc_event_del()
1047 	ref->refc--;  in thread_imc_event_del()
1048 	if (ref->refc == 0) {  in thread_imc_event_del()
1051 			mutex_unlock(&ref->lock);  in thread_imc_event_del()
1056 	} else if (ref->refc < 0) {  in thread_imc_event_del()
1057 		ref->refc = 0;  in thread_imc_event_del()
1059 	mutex_unlock(&ref->lock);  in thread_imc_event_del()