532 	struct rq *later_rq = NULL;  in dl_task_offline_migration()  local
534 	later_rq = find_lock_later_rq(p, rq);  in dl_task_offline_migration()
535 	if (!later_rq) {  in dl_task_offline_migration()
557 		later_rq = cpu_rq(cpu);  in dl_task_offline_migration()
558 		double_lock_balance(rq, later_rq);  in dl_task_offline_migration()
561 	set_task_cpu(p, later_rq->cpu);  in dl_task_offline_migration()
562 	double_unlock_balance(later_rq, rq);  in dl_task_offline_migration()
564 	return later_rq;  in dl_task_offline_migration()
1950 	struct rq *later_rq = NULL;  in find_lock_later_rq()  local
1960 		later_rq = cpu_rq(cpu);  in find_lock_later_rq()
1962 		if (later_rq->dl.dl_nr_running &&  in find_lock_later_rq()
1964 					later_rq->dl.earliest_dl.curr)) {  in find_lock_later_rq()
1970 			later_rq = NULL;  in find_lock_later_rq()
1975 		if (double_lock_balance(rq, later_rq)) {  in find_lock_later_rq()
1977 				     !cpumask_test_cpu(later_rq->cpu, &task->cpus_allowed) ||  in find_lock_later_rq()
1981 				double_unlock_balance(rq, later_rq);  in find_lock_later_rq()
1982 				later_rq = NULL;  in find_lock_later_rq()
1992 		if (!later_rq->dl.dl_nr_running ||  in find_lock_later_rq()
1994 				   later_rq->dl.earliest_dl.curr))  in find_lock_later_rq()
1998 		double_unlock_balance(rq, later_rq);  in find_lock_later_rq()
1999 		later_rq = NULL;  in find_lock_later_rq()
2002 	return later_rq;  in find_lock_later_rq()
2033 	struct rq *later_rq;  in push_dl_task()  local
2065 	later_rq = find_lock_later_rq(next_task, rq);  in push_dl_task()
2066 	if (!later_rq) {  in push_dl_task()
2095 	set_task_cpu(next_task, later_rq->cpu);  in push_dl_task()
2096 	add_rq_bw(&next_task->dl, &later_rq->dl);  in push_dl_task()
2102 	update_rq_clock(later_rq);  in push_dl_task()
2103 	add_running_bw(&next_task->dl, &later_rq->dl);  in push_dl_task()
2104 	activate_task(later_rq, next_task, ENQUEUE_NOCLOCK);  in push_dl_task()
2107 	resched_curr(later_rq);  in push_dl_task()
2109 	double_unlock_balance(rq, later_rq);  in push_dl_task()