linux-kernel - Re: [RFC PATCH v4 06/28] sched/rt: Remove rq field in struct rt

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Message-ID: <aWkR7-Cf1uJxd5Fz@jlelli-thinkpadt14gen4.remote.csb>
Date: Thu, 15 Jan 2026 17:12:31 +0100
From: Juri Lelli <juri.lelli@...hat.com>
To: Yuri Andriaccio <yurand2000@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
	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>,
	linux-kernel@...r.kernel.org,
	Luca Abeni <luca.abeni@...tannapisa.it>,
	Yuri Andriaccio <yuri.andriaccio@...tannapisa.it>
Subject: Re: [RFC PATCH v4 06/28] sched/rt: Remove rq field in struct rt_rq

Hello,

On 01/12/25 13:41, Yuri Andriaccio wrote:
> The rq field now is just caching the pointer to the global runqueue of the
> given rt_rq, so it is unnecessary as the global runqueue can be retrieved
> in other ways.

OK, but it's not actually removed, is it? Looks like it's re-purposed for
later usage? If that's the case maybe $SUBJECT should say so (and maybe
changelog point this out as well), just so we don't create confusion.

Thanks,
Juri