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Subject[PATCH] sched: remove useless code in yield_to
From: Michael Wang <wangyun@linux.vnet.ibm.com>

it's impossible to enter else branch if we have set skip_clock_update
in task_yield_fair(), as yield_to_task_fair() will directly return
true after invoke task_yield_fair().

Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
---
kernel/sched/core.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 9bb7d28..77c14aa 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4737,13 +4737,6 @@ again:
*/
if (preempt && rq != p_rq)
resched_task(p_rq->curr);
- } else {
- /*
- * We might have set it in task_yield_fair(), but are
- * not going to schedule(), so don't want to skip
- * the next update.
- */
- rq->skip_clock_update = 0;
}

out:
--
1.7.4.1


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