13 static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun);
19 	struct rt_bandwidth *rt_b =  in sched_rt_period_timer()  local
27 		overrun = hrtimer_forward(timer, now, rt_b->rt_period);  in sched_rt_period_timer()
32 		idle = do_sched_rt_period_timer(rt_b, overrun);  in sched_rt_period_timer()
38 void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime)  in init_rt_bandwidth()  argument
40 	rt_b->rt_period = ns_to_ktime(period);  in init_rt_bandwidth()
41 	rt_b->rt_runtime = runtime;  in init_rt_bandwidth()
43 	raw_spin_lock_init(&rt_b->rt_runtime_lock);  in init_rt_bandwidth()
45 	hrtimer_init(&rt_b->rt_period_timer,  in init_rt_bandwidth()
47 	rt_b->rt_period_timer.function = sched_rt_period_timer;  in init_rt_bandwidth()
50 static void start_rt_bandwidth(struct rt_bandwidth *rt_b)  in start_rt_bandwidth()  argument
52 	if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF)  in start_rt_bandwidth()
55 	if (hrtimer_active(&rt_b->rt_period_timer))  in start_rt_bandwidth()
58 	raw_spin_lock(&rt_b->rt_runtime_lock);  in start_rt_bandwidth()
59 	start_bandwidth_timer(&rt_b->rt_period_timer, rt_b->rt_period);  in start_rt_bandwidth()
60 	raw_spin_unlock(&rt_b->rt_runtime_lock);  in start_rt_bandwidth()
104 static void destroy_rt_bandwidth(struct rt_bandwidth *rt_b)  in destroy_rt_bandwidth()  argument
106 	hrtimer_cancel(&rt_b->rt_period_timer);  in destroy_rt_bandwidth()
539 struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)  in sched_rt_period_rt_rq()  argument
541 	return container_of(rt_b, struct task_group, rt_bandwidth)->rt_rq[cpu];  in sched_rt_period_rt_rq()
601 struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)  in sched_rt_period_rt_rq()  argument
615 	struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in sched_rt_bandwidth_account()  local
617 	return (hrtimer_active(&rt_b->rt_period_timer) ||  in sched_rt_bandwidth_account()
618 		rt_rq->rt_time < rt_b->rt_runtime);  in sched_rt_bandwidth_account()
627 	struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in do_balance_runtime()  local
634 	raw_spin_lock(&rt_b->rt_runtime_lock);  in do_balance_runtime()
635 	rt_period = ktime_to_ns(rt_b->rt_period);  in do_balance_runtime()
637 		struct rt_rq *iter = sched_rt_period_rt_rq(rt_b, i);  in do_balance_runtime()
672 	raw_spin_unlock(&rt_b->rt_runtime_lock);  in do_balance_runtime()
690 		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in __disable_runtime()  local
694 		raw_spin_lock(&rt_b->rt_runtime_lock);  in __disable_runtime()
702 				rt_rq->rt_runtime == rt_b->rt_runtime)  in __disable_runtime()
711 		want = rt_b->rt_runtime - rt_rq->rt_runtime;  in __disable_runtime()
717 			struct rt_rq *iter = sched_rt_period_rt_rq(rt_b, i);  in __disable_runtime()
755 		raw_spin_unlock(&rt_b->rt_runtime_lock);  in __disable_runtime()
774 		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in __enable_runtime()  local
776 		raw_spin_lock(&rt_b->rt_runtime_lock);  in __enable_runtime()
778 		rt_rq->rt_runtime = rt_b->rt_runtime;  in __enable_runtime()
782 		raw_spin_unlock(&rt_b->rt_runtime_lock);  in __enable_runtime()
808 static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun)  in do_sched_rt_period_timer()  argument
824 	if (rt_b == &root_task_group.rt_bandwidth)  in do_sched_rt_period_timer()
829 		struct rt_rq *rt_rq = sched_rt_period_rt_rq(rt_b, i);  in do_sched_rt_period_timer()
871 	if (!throttled && (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF))  in do_sched_rt_period_timer()
905 		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in sched_rt_runtime_exceeded()  local
911 		if (likely(rt_b->rt_runtime)) {  in sched_rt_runtime_exceeded()