sched/core: Remove redundant 'preempt' param from sched_class->yield_to_task()
Commit 6d1cafd8b5
("sched: Resched proper CPU on yield_to()") moved
the code to resched the CPU from yield_to_task_fair() to yield_to()
making the preempt parameter in sched_class->yield_to_task()
unnecessary. Remove it. No other sched_class implements yield_to_task().
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200603080304.16548-3-dietmar.eggemann@arm.com
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@ -5810,7 +5810,7 @@ again:
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if (task_running(p_rq, p) || p->state)
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goto out_unlock;
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yielded = curr->sched_class->yield_to_task(rq, p, preempt);
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yielded = curr->sched_class->yield_to_task(rq, p);
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if (yielded) {
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schedstat_inc(rq->yld_count);
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/*
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@ -7157,7 +7157,7 @@ static void yield_task_fair(struct rq *rq)
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set_skip_buddy(se);
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}
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static bool yield_to_task_fair(struct rq *rq, struct task_struct *p, bool preempt)
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static bool yield_to_task_fair(struct rq *rq, struct task_struct *p)
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{
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struct sched_entity *se = &p->se;
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@ -1748,7 +1748,7 @@ struct sched_class {
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void (*enqueue_task) (struct rq *rq, struct task_struct *p, int flags);
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void (*dequeue_task) (struct rq *rq, struct task_struct *p, int flags);
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void (*yield_task) (struct rq *rq);
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bool (*yield_to_task)(struct rq *rq, struct task_struct *p, bool preempt);
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bool (*yield_to_task)(struct rq *rq, struct task_struct *p);
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void (*check_preempt_curr)(struct rq *rq, struct task_struct *p, int flags);
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