33 			const struct intel_wait *waiters,  in check_rbtree()  argument
40 	if (&b->irq_wait->node != rb_first(&b->waiters)) {  in check_rbtree()
46 	for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {  in check_rbtree()
48 		int idx = w - waiters;  in check_rbtree()
70 			    const struct intel_wait *waiters,  in check_completion()  argument
76 		if (intel_wait_complete(&waiters[n]) != !!test_bit(n, bitmap))  in check_completion()
80 		       n, waiters[n].seqno,  in check_completion()
81 		       intel_wait_complete(&waiters[n]) ? "complete" : "active",  in check_completion()
98 	if (!RB_EMPTY_ROOT(&b->waiters)) {  in check_rbtree_empty()
111 	struct intel_wait *waiters;  in igt_random_insert_remove()  local
120 	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_KERNEL);  in igt_random_insert_remove()
121 	if (!waiters)  in igt_random_insert_remove()
134 		intel_wait_init_for_seqno(&waiters[n], seqno_bias + n);  in igt_random_insert_remove()
136 	err = check_rbtree(engine, bitmap, waiters, count);  in igt_random_insert_remove()
146 		intel_engine_add_wait(engine, &waiters[i]);  in igt_random_insert_remove()
149 		err = check_rbtree(engine, bitmap, waiters, count);  in igt_random_insert_remove()
158 		intel_engine_remove_wait(engine, &waiters[i]);  in igt_random_insert_remove()
161 		err = check_rbtree(engine, bitmap, waiters, count);  in igt_random_insert_remove()
172 	kvfree(waiters);  in igt_random_insert_remove()
182 	struct intel_wait *waiters;  in igt_insert_complete()  local
190 	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_KERNEL);  in igt_insert_complete()
191 	if (!waiters)  in igt_insert_complete()
200 		intel_wait_init_for_seqno(&waiters[n], n + seqno_bias);  in igt_insert_complete()
201 		intel_engine_add_wait(engine, &waiters[n]);  in igt_insert_complete()
204 	err = check_rbtree(engine, bitmap, waiters, count);  in igt_insert_complete()
218 		if (intel_wait_complete(&waiters[n])) {  in igt_insert_complete()
220 			       n, waiters[n].seqno);  in igt_insert_complete()
235 		intel_engine_remove_wait(engine, &waiters[n]);  in igt_insert_complete()
236 		RB_CLEAR_NODE(&waiters[n].node);  in igt_insert_complete()
238 		err = check_rbtree(engine, bitmap, waiters, count);  in igt_insert_complete()
245 		err = check_completion(engine, bitmap, waiters, count);  in igt_insert_complete()
257 	kvfree(waiters);  in igt_insert_complete()
349 	struct igt_wakeup *waiters;  in igt_wakeup()  local
359 	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_KERNEL);  in igt_wakeup()
360 	if (!waiters)  in igt_wakeup()
368 		waiters[n].wq = &wq;  in igt_wakeup()
369 		waiters[n].ready = &ready;  in igt_wakeup()
370 		waiters[n].set = &set;  in igt_wakeup()
371 		waiters[n].done = &done;  in igt_wakeup()
372 		waiters[n].engine = engine;  in igt_wakeup()
373 		waiters[n].flags = BIT(IDLE);  in igt_wakeup()
375 		waiters[n].tsk = kthread_run(igt_wakeup_thread, &waiters[n],  in igt_wakeup()
377 		if (IS_ERR(waiters[n].tsk))  in igt_wakeup()
380 		get_task_struct(waiters[n].tsk);  in igt_wakeup()
392 			GEM_BUG_ON(!test_bit(IDLE, &waiters[n].flags));  in igt_wakeup()
393 			waiters[n].seqno =  in igt_wakeup()
430 		if (IS_ERR(waiters[n].tsk))  in igt_wakeup()
433 		set_bit(STOP, &waiters[n].flags);  in igt_wakeup()
439 		if (IS_ERR(waiters[n].tsk))  in igt_wakeup()
442 		kthread_stop(waiters[n].tsk);  in igt_wakeup()
443 		put_task_struct(waiters[n].tsk);  in igt_wakeup()
446 	kvfree(waiters);  in igt_wakeup()