linux-kernel - Re: [PATCH] sched/topology: remove unused sd param from arch_scale_cpu

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Date:   Mon, 17 Jun 2019 18:07:29 +0100
From:   Valentin Schneider <valentin.schneider@....com>
To:     Vincent Guittot <vincent.guittot@...aro.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux@...linux.org.uk,
        gregkh@...uxfoundation.org, rafael@...nel.org,
        viresh.kumar@...aro.org, mingo@...hat.com, peterz@...radead.org
Cc:     quentin.perret@....com
Subject: Re: [PATCH] sched/topology: remove unused sd param from
 arch_scale_cpu_capacity()

Hi,

On 17/06/2019 16:00, Vincent Guittot wrote:
> struct sched_domain *sd parameter is not used anymore in
> arch_scale_cpu_capacity() so we can remove it.
> 

I think it can't hurt to give a bit of background. The *sd parameter used
to be there for smt_gain, which got snipped out by:

  765d0af19f5f ("sched/topology: Remove the ::smt_gain field from 'struct sched_domain'")

I'd appreciate having that commit mentioned in the log.

> Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>

Other than that, the changes look fine to me.

Reviewed-by: Valentin Schneider <valentin.schneider@....com>

[...]