linux-kernel - Re: [PATCH] NOHZ: Properly feed cpufreq ondemand governor

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Message-Id: <1243360049.4534.11.camel@localhost.localdomain>
Date:	Tue, 26 May 2009 10:47:29 -0700
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	"ext-eero.nurkkala@...ia.com" <ext-eero.nurkkala@...ia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>
Subject: Re: [PATCH] NOHZ: Properly feed cpufreq ondemand governor

On Tue, 2009-05-26 at 08:17 -0700, Rik van Riel wrote:
> ext-eero.nurkkala@...ia.com wrote:
> > From: Eero Nurkkala <ext-eero.nurkkala@...ia.com>
> > 
> > A call from irq_exit() may occasionally pause the timing
> > info for cpufreq ondemand governor. This results in the
> > cpufreq ondemand governor to fail to calculate the 
> > system load properly. Thus, relocate the checks for this
> > particular case to keep the governor always functional.
> > 
> > Signed-off-by: Eero Nurkkala <ext-eero.nurkkala@...ia.com>
> > Reported-by: Tero Kristo <tero.kristo@...ia.com>
> 
> Acked-by: Rik van Riel <riel@...hat.com>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>

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