linux-kernel - Re: [PATCH 1/3] sched/topology,schedutil: wrap sched domains rebuild

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Date:   Thu, 24 Sep 2020 14:34:46 +0100
From:   Quentin Perret <qperret@...gle.com>
To:     Ionela Voinescu <ionela.voinescu@....com>
Cc:     mingo@...hat.com, peterz@...radead.org, vincent.guittot@...aro.org,
        catalin.marinas@....com, will@...nel.org, rjw@...ysocki.net,
        viresh.kumar@...aro.org, dietmar.eggemann@....com,
        valentin.schneider@....com, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] sched/topology,schedutil: wrap sched domains rebuild

On Thursday 24 Sep 2020 at 13:39:35 (+0100), Ionela Voinescu wrote:
> @@ -433,6 +437,7 @@ static bool build_perf_domains(const struct cpumask *cpu_map)
>  }
>  #else
>  static void free_pd(struct perf_domain *pd) { }
> +void rebuild_sched_domains_energy(void) { }

Nit: maybe make that stub static inline in a header instead? I guess LTO
and friends ought to clean that up for you, but it shouldn't hurt to give
the compiler a little bit of help here.

Otherwise, LGTM:

Acked-by: Quentin Perret <qperret@...gle.com>

>  #endif /* CONFIG_ENERGY_MODEL && CONFIG_CPU_FREQ_GOV_SCHEDUTIL*/
>  
>  static void free_rootdomain(struct rcu_head *rcu)
> -- 
> 2.17.1
>