61 	wait_queue_head_t event_wqh;  member
176 		VM_BUG_ON(spin_is_locked(&ctx->event_wqh.lock));  in userfaultfd_ctx_put()
177 		VM_BUG_ON(waitqueue_active(&ctx->event_wqh));  in userfaultfd_ctx_put()
571 	spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
576 	__add_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
589 			__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
601 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
606 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
609 	spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
643 	wake_up_locked(&ctx->event_wqh);  in userfaultfd_event_complete()
644 	__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_complete()
915 	wake_up_all(&ctx->event_wqh);  in userfaultfd_release()
950 	return find_userfault_in(&ctx->event_wqh);  in find_userfault_evt()
983 	else if (waitqueue_active(&ctx->event_wqh))  in userfaultfd_poll()
1074 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1090 				spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1096 			spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1100 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1120 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1142 			__add_wait_queue(&ctx->event_wqh, &uwq->wq);  in userfaultfd_ctx_read()
1166 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
2075 	init_waitqueue_head(&ctx->event_wqh);  in init_once_userfaultfd_ctx()