4445 	int firsterr = 0;  in rcu_torture_init()  local
4470 		firsterr = -EINVAL;  in rcu_torture_init()
4555 			firsterr = -ENOMEM;  in rcu_torture_init()
4560 		firsterr = torture_create_kthread(rcu_torture_fakewriter,  in rcu_torture_init()
4562 		if (torture_init_error(firsterr))  in rcu_torture_init()
4571 		firsterr = -ENOMEM;  in rcu_torture_init()
4576 		firsterr = torture_create_kthread(rcu_torture_reader, (void *)i,  in rcu_torture_init()
4578 		if (torture_init_error(firsterr))  in rcu_torture_init()
4582 	firsterr = torture_create_kthread(rcu_torture_writer, NULL,  in rcu_torture_init()
4584 	if (torture_init_error(firsterr))  in rcu_torture_init()
4587 	firsterr = rcu_torture_updown_init();  in rcu_torture_init()
4588 	if (torture_init_error(firsterr))  in rcu_torture_init()
4599 			firsterr = -ENOMEM;  in rcu_torture_init()
4606 		firsterr = torture_create_kthread(rcu_nocb_toggle, NULL, nocb_tasks[i]);  in rcu_torture_init()
4607 		if (torture_init_error(firsterr))  in rcu_torture_init()
4611 		firsterr = torture_create_kthread(rcu_torture_stats, NULL,  in rcu_torture_init()
4613 		if (torture_init_error(firsterr))  in rcu_torture_init()
4617 		firsterr = torture_shuffle_init(shuffle_interval * HZ);  in rcu_torture_init()
4618 		if (torture_init_error(firsterr))  in rcu_torture_init()
4627 		firsterr = torture_stutter_init(stutter * HZ, t);  in rcu_torture_init()
4628 		if (torture_init_error(firsterr))  in rcu_torture_init()
4637 		firsterr = torture_create_kthread(rcu_torture_fqs, NULL,  in rcu_torture_init()
4639 		if (torture_init_error(firsterr))  in rcu_torture_init()
4650 		firsterr = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "RCU_TORTURE",  in rcu_torture_init()
4653 		rcutor_hp = firsterr;  in rcu_torture_init()
4654 		if (torture_init_error(firsterr))  in rcu_torture_init()
4658 	firsterr = torture_shutdown_init(shutdown_secs, rcu_torture_cleanup);  in rcu_torture_init()
4659 	if (torture_init_error(firsterr))  in rcu_torture_init()
4661 	firsterr = torture_onoff_init(onoff_holdoff * HZ, onoff_interval,  in rcu_torture_init()
4663 	if (torture_init_error(firsterr))  in rcu_torture_init()
4665 	firsterr = rcu_torture_stall_init();  in rcu_torture_init()
4666 	if (torture_init_error(firsterr))  in rcu_torture_init()
4668 	firsterr = rcu_torture_fwd_prog_init();  in rcu_torture_init()
4669 	if (torture_init_error(firsterr))  in rcu_torture_init()
4671 	firsterr = rcu_torture_barrier_init();  in rcu_torture_init()
4672 	if (torture_init_error(firsterr))  in rcu_torture_init()
4674 	firsterr = rcu_torture_read_exit_init();  in rcu_torture_init()
4675 	if (torture_init_error(firsterr))  in rcu_torture_init()
4678 		firsterr = torture_create_kthread(rcu_torture_preempt, NULL, preempt_task);  in rcu_torture_init()
4679 		if (torture_init_error(firsterr))  in rcu_torture_init()
4689 		firsterr = rcu_gpwrap_lag_init();  in rcu_torture_init()
4690 		if (torture_init_error(firsterr))  in rcu_torture_init()
4704 	return firsterr;  in rcu_torture_init()