[PATCH] sched/deadline: Use hrtick_enabled_dl() before start_hrtick_dl()

[Phil Auld]

The deadline server code moved one of the start_hrtick_dl() calls
but dropped the dl specific hrtick_enabled check. This causes hrticks
to get armed even when sched_feat(HRTICK_DL) is false. Fix it.

Fixes: 63ba8422f876 ("sched/deadline: Introduce deadline servers")
Signed-off-by: Phil Auld <pauld@xxxxxxxxxx>
Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>
Cc: Valentin Schneider <vschneid@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 kernel/sched/deadline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 9ce93d0bf452..be1b917dc8ce 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -2385,7 +2385,7 @@ static void set_next_task_dl(struct rq *rq, struct task_struct *p, bool first)
 
 	deadline_queue_push_tasks(rq);
 
-	if (hrtick_enabled(rq))
+	if (hrtick_enabled_dl(rq))
 		start_hrtick_dl(rq, &p->dl);
 }
 
-- 
2.46.1