mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Tejun Heo <tj@kernel.org>
Cc: Andrea Righi <arighi@nvidia.com>, Ingo Molnar <mingo@redhat.com>,
	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>,
	Joel Fernandes <joelagnelf@nvidia.com>,
	David Vernet <void@manifault.com>,
	Changwoo Min <changwoo@igalia.com>,
	Daniel Hodges <hodgesd@meta.com>,
	Christian Loehle <christian.loehle@arm.com>,
	Emil Tsalapatis <emil@etsalapatis.com>,
	sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCHSET v12 sched_ext/for-6.20] Add a deadline server for sched_ext tasks
Date: Mon, 2 Feb 2026 20:56:34 +0100	[thread overview]
Message-ID: <20260202195634.GH1282955@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <aYDUqdQquFcqj7rQ@slm.duckdns.org>

On Mon, Feb 02, 2026 at 06:45:29AM -1000, Tejun Heo wrote:
> Hello,
> 
> On Mon, Jan 26, 2026 at 10:58:58AM +0100, Andrea Righi wrote:
> > Changes in v12:
> >  - Move dl_server execution state reset on stop fix to a separate patch
> >    (https://lore.kernel.org/all/20260123161645.2181752-1-arighi@nvidia.com/)
> >  - Removed per-patch changelog (keeping a global changelog here)
> >  - Link to v11: https://lore.kernel.org/all/20260120215808.188032-1-arighi@nvidia.com/
> 
> Peter, Ingo, this patchset has been around the block for a long time and the
> remaining deadline and debug patches are reviewed and seem fairly isolated.

They're in well enough shape to merge I suppose, although I think
there's still a few issues to fix.

Notably I think it would be good to not have the scx_server consume dl
bandwidth if scx isn't enabled. And I wonder about that start condition.

> Given that the patchset addresses an on-going issue, I'd prefer to land the
> series before the merge window. If you want to route 1-3 (or the whole
> series) through sched/core, please let me know. Otherwise, I can them
> through sched_ext tree.

They seem to apply without issue to tip/sched/core, so if that works for
you I suppose I can stick them all in.


  reply	other threads:[~2026-02-02 19:56 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-26  9:58 Andrea Righi
2026-01-26  9:58 ` [PATCH 1/7] sched/deadline: Clear the defer params Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Joel Fernandes
2026-01-26  9:59 ` [PATCH 2/7] sched/debug: Fix updating of ppos on server write ops Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Joel Fernandes
2026-01-26  9:59 ` [PATCH 3/7] sched/debug: Stop and start server based on if it was active Andrea Righi
2026-02-02 21:13   ` Peter Zijlstra
2026-02-02 21:14     ` Peter Zijlstra
2026-02-02 21:17     ` Peter Zijlstra
2026-02-02 22:37       ` Andrea Righi
2026-02-03 10:34         ` Peter Zijlstra
2026-02-03 11:18           ` [tip: sched/core] sched/debug: Fix dl_server (re)start conditions tip-bot2 for Peter Zijlstra
2026-02-03 13:50           ` [PATCH 3/7] sched/debug: Stop and start server based on if it was active Andrea Righi
2026-02-03 10:11       ` Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Joel Fernandes
2026-01-26  9:59 ` [PATCH 4/7] sched_ext: Add a DL server for sched_ext tasks Andrea Righi
2026-02-02 19:50   ` Peter Zijlstra
2026-02-02 20:32     ` Andrea Righi
2026-02-02 21:10       ` Peter Zijlstra
2026-02-02 22:18         ` Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Andrea Righi
2026-01-26  9:59 ` [PATCH 5/7] sched/debug: Add support to change sched_ext server params Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Joel Fernandes
2026-01-26  9:59 ` [PATCH 6/7] selftests/sched_ext: Add test for sched_ext dl_server Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Andrea Righi
2026-01-26  9:59 ` [PATCH 7/7] selftests/sched_ext: Add test for DL server total_bw consistency Andrea Righi
2026-02-03 11:18   ` [tip: sched/core] " tip-bot2 for Joel Fernandes
2026-02-02 16:45 ` [PATCHSET v12 sched_ext/for-6.20] Add a deadline server for sched_ext tasks Tejun Heo
2026-02-02 19:56   ` Peter Zijlstra [this message]
2026-02-02 20:20     ` Tejun Heo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260202195634.GH1282955@noisy.programming.kicks-ass.net \
    --to=peterz@infradead.org \
    --cc=arighi@nvidia.com \
    --cc=bsegall@google.com \
    --cc=changwoo@igalia.com \
    --cc=christian.loehle@arm.com \
    --cc=dietmar.eggemann@arm.com \
    --cc=emil@etsalapatis.com \
    --cc=hodgesd@meta.com \
    --cc=joelagnelf@nvidia.com \
    --cc=juri.lelli@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mgorman@suse.de \
    --cc=mingo@redhat.com \
    --cc=rostedt@goodmis.org \
    --cc=sched-ext@lists.linux.dev \
    --cc=tj@kernel.org \
    --cc=vincent.guittot@linaro.org \
    --cc=void@manifault.com \
    --cc=vschneid@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®