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sched/core: Add ENQUEUE_NOCLOCK to ENQUEUE_RESTORE

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In all cases, ENQUEUE_RESTORE should also have ENQUEUE_NOCLOCK because
DEQUEUE_SAVE will have done an update_rq_clock().

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra
2017-02-21 14:23:38 +01:00
committed by Ingo Molnar
parent 0a67d1ee30
commit 7134b3e941
1 changed files with 4 additions and 4 deletions
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8
kernel/sched/core.c
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@@ -1070,7 +1070,7 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
p->sched_class->set_cpus_allowed(p, new_mask); p->sched_class->set_cpus_allowed(p, new_mask);
if (queued) if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE); enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK);
if (running) if (running)
set_curr_task(rq, p); set_curr_task(rq, p);
} }
@@ -3815,7 +3815,7 @@ void set_user_nice(struct task_struct *p, long nice)
delta = p->prio - old_prio; delta = p->prio - old_prio;
if (queued) { if (queued) {
enqueue_task(rq, p, ENQUEUE_RESTORE); enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK);
/* /*
* If the task increased its priority or is running and * If the task increased its priority or is running and
* lowered its priority, then reschedule its CPU: * lowered its priority, then reschedule its CPU:
@@ -5517,7 +5517,7 @@ void sched_setnuma(struct task_struct *p, int nid)
p->numa_preferred_nid = nid; p->numa_preferred_nid = nid;
if (queued) if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE); enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK);
if (running) if (running)
set_curr_task(rq, p); set_curr_task(rq, p);
task_rq_unlock(rq, p, &rf); task_rq_unlock(rq, p, &rf);
@@ -6431,7 +6431,7 @@ void sched_move_task(struct task_struct *tsk)
sched_change_group(tsk, TASK_MOVE_GROUP); sched_change_group(tsk, TASK_MOVE_GROUP);
if (queued) if (queued)
enqueue_task(rq, tsk, ENQUEUE_RESTORE | ENQUEUE_MOVE); enqueue_task(rq, tsk, ENQUEUE_RESTORE | ENQUEUE_MOVE | ENQUEUE_NOCLOCK);
if (running) if (running)
set_curr_task(rq, tsk); set_curr_task(rq, tsk);