linux-kernel - Re: [PATCH -next v2] sched/topology: Mark some symbols with static keyword

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Date:   Tue, 2 Feb 2021 12:32:21 +0000
From:   Ionela Voinescu <ionela.voinescu@....com>
To:     Zou Wei <zou_wei@...wei.com>
Cc:     xuewen.yan@...soc.com, mingo@...hat.com, peterz@...radead.org,
        juri.lelli@...hat.com, vincent.guittot@...aro.org,
        dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
        mgorman@...e.de, bristot@...hat.com, qperret@...gle.com,
        rafael.j.wysocki@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next v2] sched/topology: Mark some symbols with static
 keyword

Hi,

+Xuewen Yan, who submitted a similar patch recently.

On Wednesday 25 Nov 2020 at 10:30:47 (+0800), Zou Wei wrote:
> Fix the following sparse warnings:
> 
> kernel/sched/topology.c:211:1: warning: symbol 'sched_energy_mutex' was not declared. Should it be static?
> kernel/sched/topology.c:212:6: warning: symbol 'sched_energy_update' was not declared. Should it be static?
> 
> Fixes: 31f6a8c0a471 ("sched/topology,schedutil: Wrap sched domains rebuild")
> Signed-off-by: Zou Wei <zou_wei@...wei.com>
> ---
>  kernel/sched/topology.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
> index 5d3675c..2676687 100644
> --- a/kernel/sched/topology.c
> +++ b/kernel/sched/topology.c
> @@ -208,8 +208,8 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
>  #if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
>  DEFINE_STATIC_KEY_FALSE(sched_energy_present);
>  unsigned int sysctl_sched_energy_aware = 1;
> -DEFINE_MUTEX(sched_energy_mutex);
> -bool sched_energy_update;
> +static DEFINE_MUTEX(sched_energy_mutex);
> +static bool sched_energy_update;
>  

Reviewed-by: Ionela Voinescu <ionela.voinescu@....com>

Apologies for introducing these warnings with my previous patch.

Kind regards,
Ionela.

>  void rebuild_sched_domains_energy(void)
>  {
> -- 
> 2.6.2
>