linux-kernel - Re: [PATCH V2 1/4] cpufreq: Add per policy governor-init/exit infrastructure

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Date:	Fri, 22 Feb 2013 03:21:51 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, robin.randhawa@....com,
	Steve.Bannister@....com, Liviu.Dudau@....com,
	charles.garcia-tobin@....com, linaro-dev@...ts.linaro.org,
	francescolavra.fl@...il.com, toddpoynor@...gle.com
Subject: Re: [PATCH V2 1/4] cpufreq: Add per policy governor-init/exit infrastructure

On Friday, February 22, 2013 07:38:12 AM Viresh Kumar wrote:
> On 22 February 2013 05:05, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > On Monday, February 11, 2013 01:20:00 PM Viresh Kumar wrote:
> 
> >> This patch is inclined towards providing this infrastructure. Because we are
> >> required to allocate governor's resources dynamically now, we must do it at
> >> policy creation and end. And so got CPUFREQ_GOV_POLICY_INIT/EXIT.
> >
> > Are those new events NOPs now?
> 
> No. These are used atleast for ondemand & conservative.

They will be after the next patch, you mean? :-)

> >> +#define CPUFREQ_GOV_POLICY_INIT      4
> >> +#define CPUFREQ_GOV_POLICY_EXIT      4
> >
> > Why don't you use different values here?
> >
> > If you need only one value, one #define should be sufficient.
> 
> Naah, something happened... I got fixed this locally but couldn't
> get that into the commit somehow. EXIT should have 5 here.

Well, it appeared so from the next patch ...

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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