303 	struct imc_pmu_ref *ref;  in ppc_nest_imc_cpu_offline()  local
347 		ref = get_nest_pmu_ref(cpu);  in ppc_nest_imc_cpu_offline()
348 		if (!ref)  in ppc_nest_imc_cpu_offline()
351 		ref->refc = 0;  in ppc_nest_imc_cpu_offline()
397 	struct imc_pmu_ref *ref;  in nest_imc_counters_release()  local
410 	ref = get_nest_pmu_ref(event->cpu);  in nest_imc_counters_release()
411 	if (!ref)  in nest_imc_counters_release()
415 	mutex_lock(&ref->lock);  in nest_imc_counters_release()
416 	if (ref->refc == 0) {  in nest_imc_counters_release()
427 		mutex_unlock(&ref->lock);  in nest_imc_counters_release()
430 	ref->refc--;  in nest_imc_counters_release()
431 	if (ref->refc == 0) {  in nest_imc_counters_release()
435 			mutex_unlock(&ref->lock);  in nest_imc_counters_release()
439 	} else if (ref->refc < 0) {  in nest_imc_counters_release()
441 		ref->refc = 0;  in nest_imc_counters_release()
443 	mutex_unlock(&ref->lock);  in nest_imc_counters_release()
452 	struct imc_pmu_ref *ref;  in nest_imc_event_init()  local
514 	ref = get_nest_pmu_ref(event->cpu);  in nest_imc_event_init()
515 	if (!ref)  in nest_imc_event_init()
518 	mutex_lock(&ref->lock);  in nest_imc_event_init()
519 	if (ref->refc == 0) {  in nest_imc_event_init()
523 			mutex_unlock(&ref->lock);  in nest_imc_event_init()
529 	++ref->refc;  in nest_imc_event_init()
530 	mutex_unlock(&ref->lock);  in nest_imc_event_init()
620 	struct imc_pmu_ref *ref;  in ppc_core_imc_cpu_offline()  local
658 		ref = &core_imc_refc[core_id];  in ppc_core_imc_cpu_offline()
659 		if (!ref)  in ppc_core_imc_cpu_offline()
662 		ref->refc = 0;  in ppc_core_imc_cpu_offline()
678 	struct imc_pmu_ref *ref;  in core_imc_counters_release()  local
691 	ref = &core_imc_refc[core_id];  in core_imc_counters_release()
692 	if (!ref)  in core_imc_counters_release()
695 	mutex_lock(&ref->lock);  in core_imc_counters_release()
696 	if (ref->refc == 0) {  in core_imc_counters_release()
707 		mutex_unlock(&ref->lock);  in core_imc_counters_release()
710 	ref->refc--;  in core_imc_counters_release()
711 	if (ref->refc == 0) {  in core_imc_counters_release()
715 			mutex_unlock(&ref->lock);  in core_imc_counters_release()
719 	} else if (ref->refc < 0) {  in core_imc_counters_release()
721 		ref->refc = 0;  in core_imc_counters_release()
723 	mutex_unlock(&ref->lock);  in core_imc_counters_release()
732 	struct imc_pmu_ref *ref;  in core_imc_event_init()  local
769 	ref = &core_imc_refc[core_id];  in core_imc_event_init()
770 	if (!ref)  in core_imc_event_init()
779 	mutex_lock(&ref->lock);  in core_imc_event_init()
780 	if (ref->refc == 0) {  in core_imc_event_init()
784 			mutex_unlock(&ref->lock);  in core_imc_event_init()
790 	++ref->refc;  in core_imc_event_init()
791 	mutex_unlock(&ref->lock);  in core_imc_event_init()
864 	struct imc_pmu_ref *ref;  in thread_imc_pmu_sched_task()  local
876 	ref = &core_imc_refc[core_id];  in thread_imc_pmu_sched_task()
877 	if (!ref)  in thread_imc_pmu_sched_task()
881 		mutex_lock(&ref->lock);  in thread_imc_pmu_sched_task()
882 		if (ref->refc == 0) {  in thread_imc_pmu_sched_task()
885 				mutex_unlock(&ref->lock);  in thread_imc_pmu_sched_task()
891 		++ref->refc;  in thread_imc_pmu_sched_task()
892 		mutex_unlock(&ref->lock);  in thread_imc_pmu_sched_task()
894 		mutex_lock(&ref->lock);  in thread_imc_pmu_sched_task()
895 		ref->refc--;  in thread_imc_pmu_sched_task()
896 		if (ref->refc == 0) {  in thread_imc_pmu_sched_task()
899 				mutex_unlock(&ref->lock);  in thread_imc_pmu_sched_task()
904 		} else if (ref->refc < 0) {  in thread_imc_pmu_sched_task()
905 			ref->refc = 0;  in thread_imc_pmu_sched_task()
907 		mutex_unlock(&ref->lock);  in thread_imc_pmu_sched_task()