linux-kernel - Re: [PATCHv2 0/2] sched/deadline: Fix potential race in dl_add_task_root

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Message-ID: <38babaf0-4e27-4e43-b165-55c28172a3e1@redhat.com>
Date: Tue, 25 Nov 2025 09:53:12 -0500
From: Waiman Long <llong@...hat.com>
To: Pingfan Liu <piliu@...hat.com>, cgroups@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: Tejun Heo <tj@...nel.org>, Chen Ridong <chenridong@...weicloud.com>,
 Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>,
 Pierre Gondois <pierre.gondois@....com>, Ingo Molnar <mingo@...hat.com>,
 Vincent Guittot <vincent.guittot@...aro.org>,
 Dietmar Eggemann <dietmar.eggemann@....com>,
 Steven Rostedt <rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>,
 Mel Gorman <mgorman@...e.de>, Valentin Schneider <vschneid@...hat.com>
Subject: Re: [PATCHv2 0/2] sched/deadline: Fix potential race in
 dl_add_task_root_domain()

On 11/24/25 10:26 PM, Pingfan Liu wrote:
> These two patches address the issue reported by Juri [1] (thanks!).
>
> The first removes an unnecessary comment, the second is the actual fix.
>
> @Tejun, while these could be squashed together, I kept them separate to
> maintain the one-patch-one-purpose rule. let me know if you'd like me to
> resend these in a different format, or feel free to adjust as needed.
>
> [1]: https://lore.kernel.org/lkml/aSBjm3mN_uIy64nz@jlelli-thinkpadt14gen4.remote.csb
>
> Pingfan Liu (2):
>    sched/deadline: Remove unnecessary comment in
>      dl_add_task_root_domain()
>    sched/deadline: Fix potential race in dl_add_task_root_domain()
>
>   kernel/sched/deadline.c | 12 ++----------
>   1 file changed, 2 insertions(+), 10 deletions(-)
>
For the patch series,

Acked-by:  Waiman Long <longman@...hat.com>