linux-kernel - Re: [PATCH 06/15] sched,cfs: use explicit cfs

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Message-ID: <CAKfTPtBgNUN7YWtt=z0kpWypeEqy=R6Ss-Ne93UB-4g_yiMkYQ@mail.gmail.com>
Date:   Wed, 28 Aug 2019 18:34:40 +0200
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     Rik van Riel <riel@...riel.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Kernel Team <kernel-team@...com>, Paul Turner <pjt@...gle.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mel Gorman <mgorman@...hsingularity.net>
Subject: Re: [PATCH 06/15] sched,cfs: use explicit cfs_rq of parent se helper

On Wed, 28 Aug 2019 at 17:28, Rik van Riel <riel@...riel.com> wrote:
>
> On Wed, 2019-08-28 at 15:53 +0200, Vincent Guittot wrote:
> > On Thu, 22 Aug 2019 at 04:18, Rik van Riel <riel@...riel.com> wrote:
> > > Use an explicit "cfs_rq of parent sched_entity" helper in a few
> > > strategic places, where cfs_rq_of(se) may no longer point at the
> >
> > The only case is the sched_entity of a task which will point to root
> > cfs, isn't it ?
>
> True. I am more than open to ideas to simplify this
> part of the code, hopefully in some way that makes
> it easier to read.

my question was mainly informative to make sure that i didn't miss a corner case

>
> --
> All Rights Reversed.