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-rw-r--r--kernel/sched.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index f303070..61452e8 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5522,8 +5522,15 @@ again:
goto out;
yielded = curr->sched_class->yield_to_task(rq, p, preempt);
- if (yielded)
+ if (yielded) {
schedstat_inc(rq, yld_count);
+ /*
+ * Make p's CPU reschedule; pick_next_entity takes care of
+ * fairness.
+ */
+ if (preempt && rq != p_rq)
+ resched_task(p_rq->curr);
+ }
out:
double_rq_unlock(rq, p_rq);
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