3427 	int firsterr = 0;  in rcu_torture_init()  local
3452 		firsterr = -EINVAL;  in rcu_torture_init()
3516 	firsterr = torture_create_kthread(rcu_torture_writer, NULL,  in rcu_torture_init()
3518 	if (torture_init_error(firsterr))  in rcu_torture_init()
3526 			firsterr = -ENOMEM;  in rcu_torture_init()
3531 		firsterr = torture_create_kthread(rcu_torture_fakewriter,  in rcu_torture_init()
3533 		if (torture_init_error(firsterr))  in rcu_torture_init()
3542 		firsterr = -ENOMEM;  in rcu_torture_init()
3547 		firsterr = torture_create_kthread(rcu_torture_reader, (void *)i,  in rcu_torture_init()
3549 		if (torture_init_error(firsterr))  in rcu_torture_init()
3561 			firsterr = -ENOMEM;  in rcu_torture_init()
3568 		firsterr = torture_create_kthread(rcu_nocb_toggle, NULL, nocb_tasks[i]);  in rcu_torture_init()
3569 		if (torture_init_error(firsterr))  in rcu_torture_init()
3573 		firsterr = torture_create_kthread(rcu_torture_stats, NULL,  in rcu_torture_init()
3575 		if (torture_init_error(firsterr))  in rcu_torture_init()
3579 		firsterr = torture_shuffle_init(shuffle_interval * HZ);  in rcu_torture_init()
3580 		if (torture_init_error(firsterr))  in rcu_torture_init()
3589 		firsterr = torture_stutter_init(stutter * HZ, t);  in rcu_torture_init()
3590 		if (torture_init_error(firsterr))  in rcu_torture_init()
3597 		firsterr = torture_create_kthread(rcu_torture_fqs, NULL,  in rcu_torture_init()
3599 		if (torture_init_error(firsterr))  in rcu_torture_init()
3610 		firsterr = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "RCU_TORTURE",  in rcu_torture_init()
3613 		rcutor_hp = firsterr;  in rcu_torture_init()
3614 		if (torture_init_error(firsterr))  in rcu_torture_init()
3618 	firsterr = torture_shutdown_init(shutdown_secs, rcu_torture_cleanup);  in rcu_torture_init()
3619 	if (torture_init_error(firsterr))  in rcu_torture_init()
3621 	firsterr = torture_onoff_init(onoff_holdoff * HZ, onoff_interval,  in rcu_torture_init()
3623 	if (torture_init_error(firsterr))  in rcu_torture_init()
3625 	firsterr = rcu_torture_stall_init();  in rcu_torture_init()
3626 	if (torture_init_error(firsterr))  in rcu_torture_init()
3628 	firsterr = rcu_torture_fwd_prog_init();  in rcu_torture_init()
3629 	if (torture_init_error(firsterr))  in rcu_torture_init()
3631 	firsterr = rcu_torture_barrier_init();  in rcu_torture_init()
3632 	if (torture_init_error(firsterr))  in rcu_torture_init()
3634 	firsterr = rcu_torture_read_exit_init();  in rcu_torture_init()
3635 	if (torture_init_error(firsterr))  in rcu_torture_init()
3650 	return firsterr;  in rcu_torture_init()