linux-kernel - Re: [PATCH] cpufreq: Remove CONFIG_CPU_FREQ_STAT

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Date:   Thu, 05 Jan 2017 19:12:29 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>,
        Rafael Wysocki <rjw@...ysocki.net>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>
Cc:     linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        arnd.bergmann@...aro.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-mips@...ux-mips.org,
        linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org
Subject: Re: [PATCH] cpufreq: Remove CONFIG_CPU_FREQ_STAT_DETAILS config option

Hi Viresh,

On 2017년 01월 05일 17:27, Viresh Kumar wrote:
> This doesn't have any benefit apart from saving a small amount of memory
> when it is disabled. The ifdef hackery in the code makes it dirty
> unnecessarily.
> 
> Clean it up by removing the Kconfig option completely. Few defconfigs
> are also updated and CONFIG_CPU_FREQ_STAT_DETAILS is replaced with
> CONFIG_CPU_FREQ_STAT now in them, as users wanted stats to be enabled.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  arch/arm/configs/exynos_defconfig         |  2 +-
>  arch/arm/configs/multi_v5_defconfig       |  2 +-
>  arch/arm/configs/multi_v7_defconfig       |  2 +-
>  arch/arm/configs/mvebu_v5_defconfig       |  2 +-
>  arch/arm/configs/pxa_defconfig            |  2 +-
>  arch/arm/configs/shmobile_defconfig       |  2 +-
>  arch/mips/configs/lemote2f_defconfig      |  1 -
>  arch/powerpc/configs/ppc6xx_defconfig     |  1 -
>  arch/sh/configs/sh7785lcr_32bit_defconfig |  2 +-
>  drivers/cpufreq/Kconfig                   |  8 --------
>  drivers/cpufreq/cpufreq_stats.c           | 14 --------------
>  11 files changed, 7 insertions(+), 31 deletions(-)


I agree. Looks good to me.
Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

[snip]

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics

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