99 static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun);
103 	struct rt_bandwidth *rt_b =  in sched_rt_period_timer()  local
108 	raw_spin_lock(&rt_b->rt_runtime_lock);  in sched_rt_period_timer()
110 		overrun = hrtimer_forward_now(timer, rt_b->rt_period);  in sched_rt_period_timer()
114 		raw_spin_unlock(&rt_b->rt_runtime_lock);  in sched_rt_period_timer()
115 		idle = do_sched_rt_period_timer(rt_b, overrun);  in sched_rt_period_timer()
116 		raw_spin_lock(&rt_b->rt_runtime_lock);  in sched_rt_period_timer()
119 		rt_b->rt_period_active = 0;  in sched_rt_period_timer()
120 	raw_spin_unlock(&rt_b->rt_runtime_lock);  in sched_rt_period_timer()
125 void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime)  in init_rt_bandwidth()  argument
127 	rt_b->rt_period = ns_to_ktime(period);  in init_rt_bandwidth()
128 	rt_b->rt_runtime = runtime;  in init_rt_bandwidth()
130 	raw_spin_lock_init(&rt_b->rt_runtime_lock);  in init_rt_bandwidth()
132 	hrtimer_setup(&rt_b->rt_period_timer, sched_rt_period_timer, CLOCK_MONOTONIC,  in init_rt_bandwidth()
136 static inline void do_start_rt_bandwidth(struct rt_bandwidth *rt_b)  in do_start_rt_bandwidth()  argument
138 	raw_spin_lock(&rt_b->rt_runtime_lock);  in do_start_rt_bandwidth()
139 	if (!rt_b->rt_period_active) {  in do_start_rt_bandwidth()
140 		rt_b->rt_period_active = 1;  in do_start_rt_bandwidth()
149 		hrtimer_forward_now(&rt_b->rt_period_timer, ns_to_ktime(0));  in do_start_rt_bandwidth()
150 		hrtimer_start_expires(&rt_b->rt_period_timer,  in do_start_rt_bandwidth()
153 	raw_spin_unlock(&rt_b->rt_runtime_lock);  in do_start_rt_bandwidth()
156 static void start_rt_bandwidth(struct rt_bandwidth *rt_b)  in start_rt_bandwidth()  argument
158 	if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF)  in start_rt_bandwidth()
161 	do_start_rt_bandwidth(rt_b);  in start_rt_bandwidth()
164 static void destroy_rt_bandwidth(struct rt_bandwidth *rt_b)  in destroy_rt_bandwidth()  argument
166 	hrtimer_cancel(&rt_b->rt_period_timer);  in destroy_rt_bandwidth()
587 struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)  in sched_rt_period_rt_rq()  argument
589 	return container_of(rt_b, struct task_group, rt_bandwidth)->rt_rq[cpu];  in sched_rt_period_rt_rq()
599 	struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in sched_rt_bandwidth_account()  local
601 	return (hrtimer_active(&rt_b->rt_period_timer) ||  in sched_rt_bandwidth_account()
602 		rt_rq->rt_time < rt_b->rt_runtime);  in sched_rt_bandwidth_account()
610 	struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in do_balance_runtime()  local
617 	raw_spin_lock(&rt_b->rt_runtime_lock);  in do_balance_runtime()
618 	rt_period = ktime_to_ns(rt_b->rt_period);  in do_balance_runtime()
620 		struct rt_rq *iter = sched_rt_period_rt_rq(rt_b, i);  in do_balance_runtime()
654 	raw_spin_unlock(&rt_b->rt_runtime_lock);  in do_balance_runtime()
670 		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in __disable_runtime()  local
674 		raw_spin_lock(&rt_b->rt_runtime_lock);  in __disable_runtime()
682 				rt_rq->rt_runtime == rt_b->rt_runtime)  in __disable_runtime()
691 		want = rt_b->rt_runtime - rt_rq->rt_runtime;  in __disable_runtime()
697 			struct rt_rq *iter = sched_rt_period_rt_rq(rt_b, i);  in __disable_runtime()
735 		raw_spin_unlock(&rt_b->rt_runtime_lock);  in __disable_runtime()
754 		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in __enable_runtime()  local
756 		raw_spin_lock(&rt_b->rt_runtime_lock);  in __enable_runtime()
758 		rt_rq->rt_runtime = rt_b->rt_runtime;  in __enable_runtime()
762 		raw_spin_unlock(&rt_b->rt_runtime_lock);  in __enable_runtime()
778 static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun)  in do_sched_rt_period_timer()  argument
794 	if (rt_b == &root_task_group.rt_bandwidth)  in do_sched_rt_period_timer()
799 		struct rt_rq *rt_rq = sched_rt_period_rt_rq(rt_b, i);  in do_sched_rt_period_timer()
810 			rt_rq->rt_runtime = rt_b->rt_runtime;  in do_sched_rt_period_timer()
857 	if (!throttled && (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF))  in do_sched_rt_period_timer()
879 		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);  in sched_rt_runtime_exceeded()  local
885 		if (likely(rt_b->rt_runtime)) {  in sched_rt_runtime_exceeded()
948 struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)  in sched_rt_period_rt_rq()  argument