148 	bool seen;  member
153 	smp_store_mb(container_of(cb, struct simple_cb, cb)->seen, true);  in simple_callback()
172 	if (!cb.seen) {  in test_add_callback()
201 	if (cb.seen) {  in test_late_add_callback()
233 	if (cb.seen) {  in test_rm_callback()
260 	if (!cb.seen) {  in test_late_rm_callback()
473 		smp_store_mb(cb.seen, false);  in thread_signal_callback()
475 			miss++, cb.seen = true;  in thread_signal_callback()
480 		if (!cb.seen) {  in thread_signal_callback()
485 		if (!READ_ONCE(cb.seen)) {  in thread_signal_callback()
486 …pr_err("Callback not seen on thread %d, pass %lu (%lu misses), signaling %s add_callback; fence si…  in thread_signal_callback()