linux-kernel - Re: [PATCH] cpufreq: allow powersave governor as the default without expert mode

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Message-ID: <CAKohpokvx5G5JU_KYePOecRfAgXrOrOt__iagMcHQ2iy05gZLQ@mail.gmail.com>
Date:	Thu, 16 Oct 2014 15:57:35 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	James Geboski <jgeboski@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cpufreq: allow powersave governor as the default without
 expert mode

On 16 October 2014 15:50, James Geboski <jgeboski@...il.com> wrote:
> The intel_pstate driver only supports the performance and the powersave
> governors. With the performance governor ensuring the highest possible
> performance settings, userspace tools fail to make any lasting changes.
> In order to allow userspace tools to make modifications to the settings,
> the powersave governor must be in use. This makes having the powersave
> governor as the default convenient for systems where the intel_pstate
> driver is being employed. Having to enable expert mode in the kernel
> configuration is just a headache for such a trivial task.
>
> This patch applies to all kernel versions 2.6.38 or greater after the
> migration from CONFIG_EMBEDDED to CONFIG_EXPERT (6a108a14fa35). Most
> importantly, this applies to kernel versions 3.9 or greater when the
> intel_pstate driver was introduced.
>
> Signed-off-by: James Geboski <jgeboski@...il.com>
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  drivers/cpufreq/Kconfig | 1 -
>  1 file changed, 1 deletion(-)

Why did you resent it? Without any information at all about what has changed?
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