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Subject: Re: [PATCH 7/8] sched/fair: Attempt misfit active balance when
 migration_type != migrate_misfit
To:     Valentin Schneider <valentin.schneider@arm.com>,
        Qais Yousef <qais.yousef@arm.com>
Cc:     linux-kernel@vger.kernel.org,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Morten Rasmussen <morten.rasmussen@arm.com>,
        Quentin Perret <qperret@google.com>,
        Pavan Kondeti <pkondeti@codeaurora.org>,
        Rik van Riel <riel@surriel.com>
References: <20210128183141.28097-1-valentin.schneider@arm.com>
 <20210128183141.28097-8-valentin.schneider@arm.com>
 <20210203151647.ygvlktrivpw4a7qh@e107158-lin> <jhjk0rp2drv.mognet@arm.com>
From:   Dietmar Eggemann <dietmar.eggemann@arm.com>
Message-ID: <aefdb891-8567-4ebc-4308-336159feb305@arm.com>
Date:   Thu, 4 Feb 2021 12:44:40 +0100
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On 03/02/2021 19:43, Valentin Schneider wrote:
> On 03/02/21 15:16, Qais Yousef wrote:
>> On 01/28/21 18:31, Valentin Schneider wrote:
>>> Giving group_misfit_task a higher group_classify() priority than
>>> group_imbalance doesn't seem like the right thing to do. Instead, make
>>> need_active_balance() return true for any migration_type when the
>>
>> s/need_active_balance()/voluntary_active_balance()/?
>>
>>> destination CPU is idle and the source CPU has a misfit task.
>>>
>>> While at it, add an sd_has_asym_cpucapacity() guard in
>>> need_active_balance().
>>
>> ditto.
>>
> 
> Myes, clearly this has been left to ferment for too long!

Wasn't the migrate_misfit condition moved from
voluntary_active_balance() into need_active_balance() by commit
("sched/fair: Reduce cases for active balance")?