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Commit b4229d73 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "sched: Make RT tasks eligible for boost"

parents 9e34b2c8 fce95c9a

kernel/sched/fair.c

+1 −11
Original line number Diff line number Diff line
@@ -1517,7 +1517,7 @@ static void boost_kick_cpus(void) 
	}

}



static inline int sched_boost(void)

int sched_boost(void)

{

	return boost_refcount > 0;

}
@@ -2307,11 +2307,6 @@ void check_for_migration(struct rq *rq, struct task_struct *p) 
					&rq->active_balance_work);

}



static inline int capacity(struct rq *rq)

{

	return rq->capacity;

}



static inline int nr_big_tasks(struct rq *rq)

{

	return rq->nr_big_tasks;
@@ -2372,11 +2367,6 @@ static inline int nr_big_tasks(struct rq *rq) 
	return 0;

}



static inline int capacity(struct rq *rq)

{

	return SCHED_LOAD_SCALE;

}



#endif	/* CONFIG_SCHED_HMP */



#ifdef CONFIG_SCHED_HMP

kernel/sched/rt.c

+4 −0
Original line number Diff line number Diff line
@@ -1547,6 +1547,10 @@ static int find_lowest_rq_hmp(struct task_struct *task) 
		cpu_cost = power_cost_at_freq(i, ACCESS_ONCE(rq->min_freq));

		trace_sched_cpu_load(rq, idle_cpu(i),

				     mostly_idle_cpu(i), cpu_cost);



		if (sched_boost() && capacity(rq) != max_capacity)

			continue;



		if (cpu_cost < min_cost) {

			min_cost = cpu_cost;

			best_cpu = i;

kernel/sched/sched.h

+11 −0
Original line number Diff line number Diff line
@@ -731,6 +731,11 @@ unsigned int max_task_load(void); 
extern void sched_account_irqtime(int cpu, struct task_struct *curr,

				 u64 delta, u64 wallclock);



static inline int capacity(struct rq *rq)

{

	return rq->capacity;

}



static inline void

inc_cumulative_runnable_avg(struct rq *rq, struct task_struct *p)

{
@@ -762,6 +767,11 @@ dec_cumulative_runnable_avg(struct rq *rq, struct task_struct *p) 


static inline int pct_task_load(struct task_struct *p) { return 0; }



static inline int capacity(struct rq *rq)

{

	return SCHED_LOAD_SCALE;

}



static inline void

inc_cumulative_runnable_avg(struct rq *rq, struct task_struct *p)

{
@@ -856,6 +866,7 @@ extern void set_hmp_defaults(void); 
extern unsigned int power_cost_at_freq(int cpu, unsigned int freq);

extern void reset_all_window_stats(u64 window_start, unsigned int window_size);

extern void boost_kick(int cpu);

extern int sched_boost(void);



#else /* CONFIG_SCHED_HMP */