linux-kernel - Re: [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch

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Date:   Thu, 6 Jul 2017 16:12:58 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Dietmar Eggemann <dietmar.eggemann@....com>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux@....linux.org.uk,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Juri Lelli <juri.lelli@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Morten Rasmussen <morten.rasmussen@....com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>
Subject: Re: [PATCH v2 04/10] arm: wire cpufreq input data for
 frequency-invariant accounting up to the arch

On 06-07-17, 10:49, Dietmar Eggemann wrote:
> Define arch_set_freq_scale to be the arch_topology "driver" function
> topology_set_freq_scale() to let FIE work correctly.
> 
> Cc: Russell King <linux@....linux.org.uk>
> Cc: Juri Lelli <juri.lelli@....com>
> Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
> ---
>  arch/arm/include/asm/topology.h | 5 +++++
>  arch/arm/kernel/topology.c      | 1 -
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
> index 370f7a732900..ca05d1b90411 100644
> --- a/arch/arm/include/asm/topology.h
> +++ b/arch/arm/include/asm/topology.h
> @@ -24,6 +24,11 @@ void init_cpu_topology(void);
>  void store_cpu_topology(unsigned int cpuid);
>  const struct cpumask *cpu_coregroup_mask(int cpu);
>  
> +#include <linux/arch_topology.h>
> +
> +/* Subscribe for input data for frequency-invariant load-tracking */
> +#define arch_set_freq_scale topology_set_freq_scale
> +
>  #else
>  
>  static inline void init_cpu_topology(void) { }
> diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
> index bf949a763dbe..2c47a76c67b0 100644
> --- a/arch/arm/kernel/topology.c
> +++ b/arch/arm/kernel/topology.c
> @@ -11,7 +11,6 @@
>   * for more details.
>   */
>  
> -#include <linux/arch_topology.h>

Why is this diff part of this patch ?

-- 
viresh