linux-kernel - Re: [RFC PATCH v2 4/5] sched/fair: Simplify load_cfs_rq

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Message-ID: <CAFpoUr1S4N1g_pP2d9_EMFn3zuwQejsxkBbCd5LTQ-KuwOXbLQ@mail.gmail.com>
Date:   Tue, 21 Sep 2021 20:21:50 +0100
From:   Odin Ugedal <odin@...d.al>
To:     Odin Ugedal <odin@...d.al>
Cc:     Vincent Guittot <vincent.guittot@...aro.org>,
        Michal Koutný <mkoutny@...e.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Phil Auld <pauld@...hat.com>, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Rik van Riel <riel@...riel.com>,
        Giovanni Gherdovich <ggherdovich@...e.cz>
Subject: Re: [RFC PATCH v2 4/5] sched/fair: Simplify load_cfs_rq_list maintenance

Hi,

With the changes in PATCH 1 of this series [0], I think this logic needs to be
updated as well (or correct me if I am wrong). Did a quick look now,
and it looks
like there are some conflicts with the linus' tree when applying the
series as well,
but didn't look that deep into what caused it (for ref I tested on v5.15-rc2).

Not sure how you want to structure this patch series as all the patches kinda
depend on each other, since you sent the updated one separately (and I
am fairly new
to kernel development, so I have no idea), while patch 1 is fixing a
"real" issue
that we probably want to get fixed as soon as possible.

[0]: https://lore.kernel.org/lkml/20210917153037.11176-1-mkoutny@suse.com/

Thanks
Odin