linux-kernel - Re: [GIT PULL] scheduler changes for v4.21

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Message-ID: <CAOesGMjQg2vo2-fbjppumttN1Mz9Ce6VqvK0SkfhdkHPxhP=DQ@mail.gmail.com>
Date:   Wed, 26 Dec 2018 20:17:10 -0800
From:   Olof Johansson <olof@...om.net>
To:     Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] scheduler changes for v4.21

Hi,

On Mon, Dec 24, 2018 at 2:45 PM Ingo Molnar <mingo@...nel.org> wrote:
>
> Linus,
>
> Please pull the latest sched-core-for-linus git tree from:
>
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-core-for-linus
>
>    # HEAD: 732cd75b8c920d3727e69957b14faa7c2d7c3b75 sched/fair: Select an energy-efficient CPU on task wake-up
>
> The main changes in this cycle were:
>
>  - Introduce "Energy Aware Scheduling" - by Quentin Perret. This is a
>    coherent topology description of CPUs in cooperation with the PM
>    subsystem, with the goal to schedule more energy-efficiently on
>    assymetric SMP platform - such as waking up tasks to the more
>    energy-efficient CPUs first, as long as the system isn't
>    oversubscribed.
>
>    For details of the design, see:
>
>       https://marc.info/?l=linux-kernel&m=153243513908731&w=2
>
>  - Misc cleanups and smaller enhancements.

Looks like my warnings fix never made it in, even after a few pings.

Linus, can you apply directly? Causes warning noise on all !SMP ARM builds:

https://lore.kernel.org/lkml/20181125224105.123568-1-olof@lixom.net/


Thanks,

-Olof



-Olof