110 static void watchdog_overflow_callback(struct perf_event *event,  in watchdog_overflow_callback()  argument
115 	event->hw.interrupts = 0;  in watchdog_overflow_callback()
207 	struct perf_event *event = this_cpu_read(watchdog_ev);  in hardlockup_detector_perf_disable()  local
209 	if (event) {  in hardlockup_detector_perf_disable()
210 		perf_event_disable(event);  in hardlockup_detector_perf_disable()
212 		this_cpu_write(dead_event, event);  in hardlockup_detector_perf_disable()
228 		struct perf_event *event = per_cpu(dead_event, cpu);  in hardlockup_detector_perf_cleanup()  local
234 		if (event)  in hardlockup_detector_perf_cleanup()
235 			perf_event_release_kernel(event);  in hardlockup_detector_perf_cleanup()
253 		struct perf_event *event = per_cpu(watchdog_ev, cpu);  in hardlockup_detector_perf_stop()  local
255 		if (event)  in hardlockup_detector_perf_stop()
256 			perf_event_disable(event);  in hardlockup_detector_perf_stop()
275 		struct perf_event *event = per_cpu(watchdog_ev, cpu);  in hardlockup_detector_perf_restart()  local
277 		if (event)  in hardlockup_detector_perf_restart()
278 			perf_event_enable(event);  in hardlockup_detector_perf_restart()