1667 	WARN_ON_ONCE(event->attach_state & PERF_ATTACH_CONTEXT);  in list_add_event()
1668 	event->attach_state |= PERF_ATTACH_CONTEXT;  in list_add_event()
1825 	if (event->attach_state & PERF_ATTACH_GROUP)  in perf_group_attach()
1828 	event->attach_state |= PERF_ATTACH_GROUP;  in perf_group_attach()
1859 	if (!(event->attach_state & PERF_ATTACH_CONTEXT))  in list_del_event()
1862 	event->attach_state &= ~PERF_ATTACH_CONTEXT;  in list_del_event()
1898 	if (!(event->attach_state & PERF_ATTACH_GROUP))  in perf_group_detach()
1901 	event->attach_state &= ~PERF_ATTACH_GROUP;  in perf_group_detach()
2113 	WARN_ON_ONCE(event->attach_state & PERF_ATTACH_CONTEXT);  in perf_remove_from_context()
2115 	    (event->attach_state & PERF_ATTACH_GROUP)) {  in perf_remove_from_context()
3925 	if ((event->attach_state & PERF_ATTACH_TASK) &&  in perf_event_read_local()
3932 	if (!(event->attach_state & PERF_ATTACH_TASK) &&  in perf_event_read_local()
4133 	if (event->attach_state & PERF_ATTACH_TASK_DATA) {  in find_get_context()
4233 	if (event->attach_state & PERF_ATTACH_TASK)  in is_sb_event()
4288 	if (event->attach_state & PERF_ATTACH_TASK)  in unaccount_event()
4359 	if (event->attach_state & PERF_ATTACH_TASK) {  in exclusive_event_init()
4378 	if (event->attach_state & PERF_ATTACH_TASK)  in exclusive_event_destroy()
4551 		WARN_ON_ONCE(event->attach_state &  in perf_event_release_kernel()
7655 	event->attach_state |= PERF_ATTACH_ITRACE;  in perf_event_itrace_started()
7673 	    event->attach_state & PERF_ATTACH_ITRACE)  in perf_log_itrace_start()
9854 	if (event->attach_state & PERF_ATTACH_TASK)  in account_event()
9974 		event->attach_state = PERF_ATTACH_TASK;  in perf_event_alloc()
11277 	if ((child_event->attach_state & PERF_ATTACH_TASK_DATA) &&  in inherit_event()