From: Jiri Slaby <jirislaby@kernel.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Kuyo Chang <kuyo.chang@mediatek.com>
Cc: 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>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
jstultz <jstultz@google.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [RFC PATCH 1/1] sched/deadline: Fix RT task potential starvation when expiry time passed
Date: Fri, 15 Aug 2025 06:35:32 +0200 [thread overview]
Message-ID: <bb52ebe6-a3b0-428e-8c97-d7366dedae92@kernel.org> (raw)
In-Reply-To: <CAMuHMdWZHwr_nmMbVREKC9nQCYigT_gvKH3M9v+oyYqk6FLONw@mail.gmail.com>
On 30. 07. 25, 12:06, Geert Uytterhoeven wrote:
>> [Proposed Solution]:
>> ------------------
>> Instead of immediately re-enqueuing the DL entity on timer registration
>> failure, this change ensures the DL entity is properly replenished and
>> the timer is restarted, preventing RT potential starvation.
>>
>> Signed-off-by: kuyo chang <kuyo.chang@mediatek.com>
>
> Thanks, this fixes the issue I was seeing!
>
> Closes: https://lore.kernel.org/CAMuHMdXn4z1pioTtBGMfQM0jsLviqS2jwysaWXpoLxWYoGa82w@mail.gmail.com
> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
As well as:
Closes:
https://lore.kernel.org/all/58c46200-95b0-4cd8-bb5e-44f963a66875@kernel.org/
Tested-by: Jiri Slaby <jirislaby@kernel.org>
thanks,
--
js
suse labs
next prev parent reply other threads:[~2025-08-15 4:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-15 13:10 [RFC PATCH 1/1] sched/deadline: Fix RT task potential starvation when expiry time passed Kuyo Chang
2025-06-16 15:03 ` Juri Lelli
2025-06-18 14:20 ` Kuyo Chang
2025-06-19 13:13 ` Juri Lelli
2025-06-20 3:00 ` Kuyo Chang
2025-06-20 15:22 ` Juri Lelli
2025-06-21 2:55 ` Kuyo Chang
2025-07-23 22:22 ` Pierce Wen (溫彥翔)
2025-07-24 8:23 ` juri.lelli
2025-07-30 10:06 ` Geert Uytterhoeven
2025-07-31 15:00 ` Christian Loehle
2025-08-15 4:35 ` Jiri Slaby [this message]
2025-08-20 12:57 ` Diederik de Haas
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