51 static struct imc_pmu_ref imc_global_refc = {  variable
52 	.lock = __MUTEX_INITIALIZER(imc_global_refc.lock),
716 		mutex_lock(&imc_global_refc.lock);  in ppc_core_imc_cpu_offline()
717 		if (imc_global_refc.id == IMC_DOMAIN_CORE)  in ppc_core_imc_cpu_offline()
718 			imc_global_refc.refc--;  in ppc_core_imc_cpu_offline()
720 		mutex_unlock(&imc_global_refc.lock);  in ppc_core_imc_cpu_offline()
735 		mutex_lock(&imc_global_refc.lock);  in reset_global_refc()
736 		imc_global_refc.refc--;  in reset_global_refc()
743 		if (imc_global_refc.refc <= 0) {  in reset_global_refc()
744 			imc_global_refc.refc = 0;  in reset_global_refc()
745 			imc_global_refc.id = 0;  in reset_global_refc()
747 		mutex_unlock(&imc_global_refc.lock);  in reset_global_refc()
870 	mutex_lock(&imc_global_refc.lock);  in core_imc_event_init()
871 	if (imc_global_refc.id == 0 || imc_global_refc.id == IMC_DOMAIN_CORE) {  in core_imc_event_init()
876 		imc_global_refc.id = IMC_DOMAIN_CORE;  in core_imc_event_init()
877 		imc_global_refc.refc++;  in core_imc_event_init()
879 		mutex_unlock(&imc_global_refc.lock);  in core_imc_event_init()
882 	mutex_unlock(&imc_global_refc.lock);  in core_imc_event_init()
954 	mutex_lock(&imc_global_refc.lock);  in ppc_thread_imc_cpu_offline()
955 	if (imc_global_refc.id == IMC_DOMAIN_THREAD)  in ppc_thread_imc_cpu_offline()
956 		imc_global_refc.refc--;  in ppc_thread_imc_cpu_offline()
957 	mutex_unlock(&imc_global_refc.lock);  in ppc_thread_imc_cpu_offline()
997 	mutex_lock(&imc_global_refc.lock);  in thread_imc_event_init()
1002 	if (imc_global_refc.id == 0 || imc_global_refc.id == IMC_DOMAIN_THREAD) {  in thread_imc_event_init()
1003 		imc_global_refc.id = IMC_DOMAIN_THREAD;  in thread_imc_event_init()
1004 		imc_global_refc.refc++;  in thread_imc_event_init()
1006 		mutex_unlock(&imc_global_refc.lock);  in thread_imc_event_init()
1009 	mutex_unlock(&imc_global_refc.lock);  in thread_imc_event_init()
1242 	mutex_lock(&imc_global_refc.lock);  in ppc_trace_imc_cpu_offline()
1243 	if (imc_global_refc.id == IMC_DOMAIN_TRACE)  in ppc_trace_imc_cpu_offline()
1244 		imc_global_refc.refc--;  in ppc_trace_imc_cpu_offline()
1245 	mutex_unlock(&imc_global_refc.lock);  in ppc_trace_imc_cpu_offline()
1444 	mutex_lock(&imc_global_refc.lock);  in trace_imc_event_init()
1445 	if (imc_global_refc.id == 0 || imc_global_refc.id == IMC_DOMAIN_TRACE) {  in trace_imc_event_init()
1450 		imc_global_refc.id = IMC_DOMAIN_TRACE;  in trace_imc_event_init()
1451 		imc_global_refc.refc++;  in trace_imc_event_init()
1453 		mutex_unlock(&imc_global_refc.lock);  in trace_imc_event_init()
1456 	mutex_unlock(&imc_global_refc.lock);  in trace_imc_event_init()