354 	struct imc_pmu_ref *ref;  in ppc_nest_imc_cpu_offline()  local
405 		ref = get_nest_pmu_ref(cpu);  in ppc_nest_imc_cpu_offline()
406 		if (!ref)  in ppc_nest_imc_cpu_offline()
409 		ref->refc = 0;  in ppc_nest_imc_cpu_offline()
455 	struct imc_pmu_ref *ref;  in nest_imc_counters_release()  local
468 	ref = get_nest_pmu_ref(event->cpu);  in nest_imc_counters_release()
469 	if (!ref)  in nest_imc_counters_release()
473 	mutex_lock(&ref->lock);  in nest_imc_counters_release()
474 	if (ref->refc == 0) {  in nest_imc_counters_release()
485 		mutex_unlock(&ref->lock);  in nest_imc_counters_release()
488 	ref->refc--;  in nest_imc_counters_release()
489 	if (ref->refc == 0) {  in nest_imc_counters_release()
493 			mutex_unlock(&ref->lock);  in nest_imc_counters_release()
497 	} else if (ref->refc < 0) {  in nest_imc_counters_release()
499 		ref->refc = 0;  in nest_imc_counters_release()
501 	mutex_unlock(&ref->lock);  in nest_imc_counters_release()
510 	struct imc_pmu_ref *ref;  in nest_imc_event_init()  local
563 	ref = get_nest_pmu_ref(event->cpu);  in nest_imc_event_init()
564 	if (!ref)  in nest_imc_event_init()
567 	mutex_lock(&ref->lock);  in nest_imc_event_init()
568 	if (ref->refc == 0) {  in nest_imc_event_init()
572 			mutex_unlock(&ref->lock);  in nest_imc_event_init()
578 	++ref->refc;  in nest_imc_event_init()
579 	mutex_unlock(&ref->lock);  in nest_imc_event_init()
672 	struct imc_pmu_ref *ref;  in ppc_core_imc_cpu_offline()  local
713 		ref = &core_imc_refc[core_id];  in ppc_core_imc_cpu_offline()
714 		if (!ref)  in ppc_core_imc_cpu_offline()
717 		ref->refc = 0;  in ppc_core_imc_cpu_offline()
760 	struct imc_pmu_ref *ref;  in core_imc_counters_release()  local
773 	ref = &core_imc_refc[core_id];  in core_imc_counters_release()
774 	if (!ref)  in core_imc_counters_release()
777 	mutex_lock(&ref->lock);  in core_imc_counters_release()
778 	if (ref->refc == 0) {  in core_imc_counters_release()
789 		mutex_unlock(&ref->lock);  in core_imc_counters_release()
792 	ref->refc--;  in core_imc_counters_release()
793 	if (ref->refc == 0) {  in core_imc_counters_release()
797 			mutex_unlock(&ref->lock);  in core_imc_counters_release()
801 	} else if (ref->refc < 0) {  in core_imc_counters_release()
803 		ref->refc = 0;  in core_imc_counters_release()
805 	mutex_unlock(&ref->lock);  in core_imc_counters_release()
816 	struct imc_pmu_ref *ref;  in core_imc_event_init()  local
844 	ref = &core_imc_refc[core_id];  in core_imc_event_init()
845 	if (!ref)  in core_imc_event_init()
854 	mutex_lock(&ref->lock);  in core_imc_event_init()
855 	if (ref->refc == 0) {  in core_imc_event_init()
859 			mutex_unlock(&ref->lock);  in core_imc_event_init()
865 	++ref->refc;  in core_imc_event_init()
866 	mutex_unlock(&ref->lock);  in core_imc_event_init()
1122 	struct imc_pmu_ref *ref;  in thread_imc_event_add()  local
1141 	ref = &core_imc_refc[core_id];  in thread_imc_event_add()
1142 	if (!ref)  in thread_imc_event_add()
1145 	mutex_lock(&ref->lock);  in thread_imc_event_add()
1146 	if (ref->refc == 0) {  in thread_imc_event_add()
1149 			mutex_unlock(&ref->lock);  in thread_imc_event_add()
1155 	++ref->refc;  in thread_imc_event_add()
1156 	mutex_unlock(&ref->lock);  in thread_imc_event_add()
1164 	struct imc_pmu_ref *ref;  in thread_imc_event_del()  local
1167 	ref = &core_imc_refc[core_id];  in thread_imc_event_del()
1168 	if (!ref) {  in thread_imc_event_del()
1173 	mutex_lock(&ref->lock);  in thread_imc_event_del()
1174 	ref->refc--;  in thread_imc_event_del()
1175 	if (ref->refc == 0) {  in thread_imc_event_del()
1178 			mutex_unlock(&ref->lock);  in thread_imc_event_del()
1183 	} else if (ref->refc < 0) {  in thread_imc_event_del()
1184 		ref->refc = 0;  in thread_imc_event_del()
1186 	mutex_unlock(&ref->lock);  in thread_imc_event_del()
1358 	struct imc_pmu_ref *ref = NULL;  in trace_imc_event_add()  local
1367 		ref = &trace_imc_refc[core_id];  in trace_imc_event_add()
1368 	if (!ref) {  in trace_imc_event_add()
1374 	mutex_lock(&ref->lock);  in trace_imc_event_add()
1375 	if (ref->refc == 0) {  in trace_imc_event_add()
1378 			mutex_unlock(&ref->lock);  in trace_imc_event_add()
1383 	++ref->refc;  in trace_imc_event_add()
1384 	mutex_unlock(&ref->lock);  in trace_imc_event_add()
1408 	struct imc_pmu_ref *ref = NULL;  in trace_imc_event_del()  local
1411 		ref = &trace_imc_refc[core_id];  in trace_imc_event_del()
1412 	if (!ref) {  in trace_imc_event_del()
1417 	mutex_lock(&ref->lock);  in trace_imc_event_del()
1418 	ref->refc--;  in trace_imc_event_del()
1419 	if (ref->refc == 0) {  in trace_imc_event_del()
1422 			mutex_unlock(&ref->lock);  in trace_imc_event_del()
1426 	} else if (ref->refc < 0) {  in trace_imc_event_del()
1427 		ref->refc = 0;  in trace_imc_event_del()
1429 	mutex_unlock(&ref->lock);  in trace_imc_event_del()