[PATCH 1/7] sched/deadline: Clear the defer params
From: Andrea Righi
Date: Mon Jan 26 2026 - 05:04:30 EST
From: Joel Fernandes <joelagnelf@xxxxxxxxxx>
The defer params were not cleared in __dl_clear_params. Clear them.
Without this is some of my test cases are flaking and the DL timer is
not starting correctly AFAICS.
Fixes: a110a81c52a9 ("sched/deadline: Deferrable dl server")
Tested-by: Christian Loehle <christian.loehle@xxxxxxx>
Acked-by: Juri Lelli <juri.lelli@xxxxxxxxxx>
Reviewed-by: Andrea Righi <arighi@xxxxxxxxxx>
Signed-off-by: Joel Fernandes <joelagnelf@xxxxxxxxxx>
---
kernel/sched/deadline.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index e42867061ea77..28823f7eb8667 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -3646,6 +3646,9 @@ static void __dl_clear_params(struct sched_dl_entity *dl_se)
dl_se->dl_non_contending = 0;
dl_se->dl_overrun = 0;
dl_se->dl_server = 0;
+ dl_se->dl_defer = 0;
+ dl_se->dl_defer_running = 0;
+ dl_se->dl_defer_armed = 0;
#ifdef CONFIG_RT_MUTEXES
dl_se->pi_se = dl_se;
--
2.52.0