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sched/core: Remove redundant 'preempt' param from sched_class->yield_to_task()

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Commit 6d1cafd8b56e ("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
This commit is contained in:
Dietmar Eggemann 2020-06-03 10:03:02 +02:00 committed by Peter Zijlstra
parent 844eb6458f
commit 0900acf2d8
3 changed files with 3 additions and 3 deletions
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2
kernel/sched/core.c
View File

@ -5810,7 +5810,7 @@ again:
if (task_running(p_rq, p) || p->state)
goto out_unlock;
yielded = curr->sched_class->yield_to_task(rq, p, preempt);
yielded = curr->sched_class->yield_to_task(rq, p);
if (yielded) {
schedstat_inc(rq->yld_count);
/*

2
kernel/sched/fair.c
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@ -7157,7 +7157,7 @@ static void yield_task_fair(struct rq *rq)
set_skip_buddy(se);
}
static bool yield_to_task_fair(struct rq *rq, struct task_struct *p, bool preempt)
static bool yield_to_task_fair(struct rq *rq, struct task_struct *p)
{
struct sched_entity *se = &p->se;

2
kernel/sched/sched.h
View File

@ -1748,7 +1748,7 @@ struct sched_class {
void (*enqueue_task) (struct rq *rq, struct task_struct *p, int flags);
void (*dequeue_task) (struct rq *rq, struct task_struct *p, int flags);
void (*yield_task) (struct rq *rq);
bool (*yield_to_task)(struct rq *rq, struct task_struct *p, bool preempt);
bool (*yield_to_task)(struct rq *rq, struct task_struct *p);
void (*check_preempt_curr)(struct rq *rq, struct task_struct *p, int flags);