linux-kernel - Re: [PATCH 5/5] cpufreq:boost:Kconfig: Enable boost support at Kconfig

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Message-id: <20130610152027.3133d1ab@amdc308.digital.local>
Date:	Mon, 10 Jun 2013 15:20:27 +0200
From:	Lukasz Majewski <l.majewski@...sung.com>
To:	Borislav Petkov <bp@...en8.de>,
	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	"Rafael J. Wysocky" <rjw@...k.pl>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Lukasz Majewski <l.majewski@...ess.pl>,
	Andre Przywara <andre.przywara@...aro.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: Re: [PATCH 5/5] cpufreq:boost:Kconfig: Enable boost support at Kconfig

Hi,

> On Thu, Jun 06, 2013 at 09:07:52AM +0200, Lukasz Majewski wrote:
> > Enable/disable support for BOOST. New flag - CPU_FREQ_BOOST has been
> > defined for that.
> 
> What's the reason for this? Why would you want to not compile-in the
> boosting code?

I think that this flag could be removed and the "boost" could be
compiled-in permanently.

Viresh, what is your opinion?

> 
> Also, at least on x86, even with this feature disabled, the CPU will
> boost by default unless you fiddle with it through the MSRs as root.
> 

So this is a good argument for removing this flag from Kconfig.


-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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