linux-kernel - Re: [PATCHSET RESEND v11 sched_ext/for-6.20] Add a deadline server for sched

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Message-ID: <aXALSwggUpMBJnZu@slm.duckdns.org>
Date: Tue, 20 Jan 2026 13:10:03 -1000
From: Tejun Heo <tj@...nel.org>
To: Andrea Righi <arighi@...dia.com>
Cc: Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...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>,
	Joel Fernandes <joelagnelf@...dia.com>,
	David Vernet <void@...ifault.com>,
	Changwoo Min <changwoo@...lia.com>, Shuah Khan <shuah@...nel.org>,
	sched-ext@...ts.linux.dev, bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHSET RESEND v11 sched_ext/for-6.20] Add a deadline server
 for sched_ext tasks

Hello,

On Tue, Jan 20, 2026 at 10:50:31PM +0100, Andrea Righi wrote:
> This is a resend of the patch set originally posted here:
> https://lore.kernel.org/all/20251217093923.1556187-1-arighi@nvidia.com/
> 
> Re-sending to check whether there are any remaining objections. As
> discussed during the LPC sched_ext microconference in Tokyo, a potential
> "open issue" could be to define a better interface for configuring the
> assigned bandwidth for the DL servers (currently via debugfs). However,
> this shouldn't be a blocker and we can likely discuss this further at the
> upcoming OSPM.
> 
> Tejun, if there are no further comments, I think this series can be applied
> to sched_ext/for-6.20.

Yeah, this has been pending forever. Peter, Ingo, Juri, if there aren't any
objections, would it be okay to apply these through sched_ext? Or do you
want to route deadline part through sched/core?

Thanks.

-- 
tejun