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Subject: Re: [GIT PULL] scheduler changes for v5.5
To:     Ingo Molnar <mingo@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc:     linux-kernel@vger.kernel.org,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Mel Gorman <mgorman@suse.de>, Ben Segall <bsegall@google.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Juri Lelli <juri.lelli@redhat.com>
References: <20191125125944.GA22218@gmail.com>
From:   Valentin Schneider <valentin.schneider@arm.com>
Message-ID: <9af8a5eb-5104-ad0b-bf46-dedb65d66a07@arm.com>
Date:   Mon, 25 Nov 2019 13:49:38 +0000
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On 25/11/2019 12:59, Ingo Molnar wrote:

So I really don't want to be labeled as "that annoying scheduler PR guy",
but some patches in Vincent's rework should be squashed to avoid being
performance bisection honeypots.

> Vincent Guittot (14):
>       sched/fair: Remove meaningless imbalance calculation
>       sched/fair: Rework load_balance()

These two ^ (were split for ease of reviewing, [1])

>       sched/fair: Rework find_idlest_group()
>       sched/fair: Fix rework of find_idlest_group()

And these two ^ (Mel voiced similar concerns at [2])



Sorry for being annoying :/

[1]: https://lore.kernel.org/lkml/CAKfTPtCqLGJDNHgG099wQ7Gy6A+63yP36cxAR_somNPEcJMxGA@mail.gmail.com/
[2]: https://lore.kernel.org/lkml/20191030160749.GN3016@techsingularity.net/