linux-kernel - Re: [PATCH 07/16] sched_ext: Add a DL server for sched

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Message-ID: <aLidEvX41Xie5kwY@slm.duckdns.org>
Date: Wed, 3 Sep 2025 09:54:58 -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,
	Luigi De Matteis <ldematteis123@...il.com>
Subject: Re: [PATCH 07/16] sched_ext: Add a DL server for sched_ext tasks

Hello,

On Wed, Sep 03, 2025 at 11:33:33AM +0200, Andrea Righi wrote:
> +static struct task_struct *ext_server_pick_task(struct sched_dl_entity *dl_se,
> +						void *flags)
> +{
> +	struct rq_flags *rf = flags;
> +
> +	balance_scx(dl_se->rq, dl_se->rq->curr, rf);
> +	return pick_task_scx(dl_se->rq, rf);
> +}

I'm a bit confused. This series doesn't have prep patches to add @rf to
dl_server_pick_f. Is this the right patch?

Thanks.

-- 
tejun