linux-kernel - Re: [PATCH v4 3/5] sched/fair: Switch to task based throttle model

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Message-ID: <3eec5c30-ff65-47c2-9eb9-308fff63b0c9@amd.com>
Date: Thu, 4 Sep 2025 19:50:52 +0530
From: K Prateek Nayak <kprateek.nayak@....com>
To: Aaron Lu <ziqianlu@...edance.com>
CC: Benjamin Segall <bsegall@...gle.com>, Peter Zijlstra
	<peterz@...radead.org>, Valentin Schneider <vschneid@...hat.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 Koutn?? <mkoutny@...e.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [PATCH v4 3/5] sched/fair: Switch to task based throttle model

On 9/4/2025 4:35 PM, Aaron Lu wrote:
> Ah right. I didn't realize wakeup_preempt() can be called for a throttled
> task, I think it is not expected. What about forbid that :)
> (not tested in anyway, just to show the idea and get feedback)

Ack! Prevention is better than cure ;-)

-- 
Thanks and Regards,
Prateek