linux-kernel - Re: [PATCH 0/4] Task based throttle follow ups

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Message-ID: <20250911121601.GA36@bytedance>
Date: Thu, 11 Sep 2025 20:16:01 +0800
From: Aaron Lu <ziqianlu@...edance.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Valentin Schneider <vschneid@...hat.com>,
	Ben Segall <bsegall@...gle.com>,
	K Prateek Nayak <kprateek.nayak@....com>,
	Chengming Zhou <chengming.zhou@...ux.dev>,
	Josh Don <joshdon@...gle.com>, Ingo Molnar <mingo@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Xi Wang <xii@...gle.com>, linux-kernel@...r.kernel.org,
	Juri Lelli <juri.lelli@...hat.com>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>, Mel Gorman <mgorman@...e.de>,
	Chuyi Zhou <zhouchuyi@...edance.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Florian Bezdeka <florian.bezdeka@...mens.com>,
	Songtang Liu <liusongtang@...edance.com>,
	Chen Yu <yu.c.chen@...el.com>,
	Matteo Martelli <matteo.martelli@...ethink.co.uk>,
	Michal Koutný <mkoutny@...e.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [PATCH 0/4] Task based throttle follow ups

On Thu, Sep 11, 2025 at 12:42:22PM +0200, Peter Zijlstra wrote:
> On Wed, Sep 10, 2025 at 05:50:40PM +0800, Aaron Lu wrote:
> 
> > Aaron Lu (4):
> >   sched/fair: Propagate load for throttled cfs_rq
> >   sched/fair: update_cfs_group() for throttled cfs_rqs
> >   sched/fair: Do not special case tasks in throttled hierarchy
> 
> I stuffed these first 3 into queue/sched/core, leaving this one:
> 
> >   sched/fair: Do not balance task to a throttled cfs_rq
> 
> on the table, because the robot already hated on it.

Should have followed Prateek's suggestion to put it behind
CONFIG_CFS_BANDWIDTH. Will fix that and send an updated version later,
thanks.