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-rw-r--r--kernel/sched.c1
-rw-r--r--kernel/sched_rt.c10
2 files changed, 11 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index c91797107913..357d3a084de8 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1710,6 +1710,7 @@ out_activate:
out_running:
p->state = TASK_RUNNING;
+ wakeup_balance_rt(rq, p);
out:
task_rq_unlock(rq, &flags);
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index bacb32039e95..d38a8a559aa5 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -558,6 +558,15 @@ static void schedule_tail_balance_rt(struct rq *rq)
}
}
+
+static void wakeup_balance_rt(struct rq *rq, struct task_struct *p)
+{
+ if (unlikely(rt_task(p)) &&
+ !task_running(rq, p) &&
+ (p->prio >= rq->curr->prio))
+ push_rt_tasks(rq);
+}
+
/*
* Load-balancing iterator. Note: while the runqueue stays locked
* during the whole iteration, the current task might be
@@ -665,6 +674,7 @@ move_one_task_rt(struct rq *this_rq, int this_cpu, struct rq *busiest,
#else /* CONFIG_SMP */
# define schedule_tail_balance_rt(rq) do { } while (0)
# define schedule_balance_rt(rq, prev) do { } while (0)
+# define wakeup_balance_rt(rq, p) do { } while (0)
#endif /* CONFIG_SMP */
static void task_tick_rt(struct rq *rq, struct task_struct *p)