From: Joel Fernandes <joelagnelf@nvidia.com>
To: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Joel Fernandes <joelagnelf@nvidia.com>, Tejun Heo <tj@kernel.org>,
David Vernet <void@manifault.com>,
Andrea Righi <arighi@nvidia.com>,
Changwoo Min <changwoo@igalia.com>
Subject: [PATCH -rebased 03/15] sched/deadline: Clear the defer params
Date: Sat, 9 Aug 2025 14:47:48 -0400 [thread overview]
Message-ID: <20250809184800.129831-4-joelagnelf@nvidia.com> (raw)
In-Reply-To: <20250809184800.129831-1-joelagnelf@nvidia.com>
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")
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
---
kernel/sched/deadline.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index e2d51f4306b3..3c478a1b2890 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -3381,6 +3381,9 @@ 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;
--
2.34.1
next prev parent reply other threads:[~2025-08-09 18:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-09 18:47 [PATCH -rebased 00/15] Add a deadline server for sched_ext tasks Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 01/15] sched/debug: Fix updating of ppos on server write ops Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 02/15] sched/debug: Stop and start server based on if it was active Joel Fernandes
2025-08-09 18:47 ` Joel Fernandes [this message]
2025-08-09 18:47 ` [PATCH -rebased 04/15] sched/deadline: Return EBUSY if dl_bw_cpus is zero Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 05/15] sched: Add support to pick functions to take rf Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 06/15] sched: Add a server arg to dl_server_update_idle_time() Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 07/15] sched_ext: Add a DL server for sched_ext tasks Joel Fernandes
2025-08-19 7:57 ` Peter Zijlstra
2025-08-20 15:52 ` Andrea Righi
2025-08-20 17:52 ` Joel Fernandes
2025-08-20 18:19 ` Andrea Righi
2025-08-09 18:47 ` [PATCH -rebased 08/15] sched/debug: Add support to change sched_ext server params Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 09/15] sched/deadline: Add support to remove DL server's bandwidth contribution Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 10/15] sched/deadline: Account ext server bandwidth Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 11/15] sched/deadline: Allow to initialize DL server when needed Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 12/15] sched_ext: Selectively enable ext and fair DL servers Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 13/15] sched/deadline: Fix DL server crash in inactive_timer callback Joel Fernandes
2025-08-09 18:47 ` [PATCH -rebased 14/15] selftests/sched_ext: Add test for sched_ext dl_server Joel Fernandes
2025-08-09 18:48 ` [PATCH -rebased 15/15] selftests/sched_ext: Add test for DL server total_bw consistency Joel Fernandes
2025-08-13 9:15 ` [PATCH -rebased 00/15] Add a deadline server for sched_ext tasks Juri Lelli
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