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sched/core: Use the new llist_for_each_entry_safe() primitive
Now that we've added llist_for_each_entry_safe(), use it to simplify an open coded version of it in sched_ttwu_pending(). Signed-off-by: Byungchul Park <byungchul.park@lge.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: <kernel-team@lge.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1494549584-11730-1-git-send-email-byungchul.park@lge.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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1 changed files with 3 additions and 12 deletions
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@ -1731,7 +1731,7 @@ void sched_ttwu_pending(void)
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{
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struct rq *rq = this_rq();
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struct llist_node *llist = llist_del_all(&rq->wake_list);
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struct task_struct *p;
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struct task_struct *p, *t;
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struct rq_flags rf;
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if (!llist)
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@ -1740,17 +1740,8 @@ void sched_ttwu_pending(void)
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rq_lock_irqsave(rq, &rf);
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update_rq_clock(rq);
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while (llist) {
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int wake_flags = 0;
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p = llist_entry(llist, struct task_struct, wake_entry);
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llist = llist_next(llist);
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if (p->sched_remote_wakeup)
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wake_flags = WF_MIGRATED;
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ttwu_do_activate(rq, p, wake_flags, &rf);
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}
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llist_for_each_entry_safe(p, t, llist, wake_entry)
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ttwu_do_activate(rq, p, p->sched_remote_wakeup ? WF_MIGRATED : 0, &rf);
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rq_unlock_irqrestore(rq, &rf);
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}
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