linux-kernel - Re: "avoid overflows in kernel/time" breakes my ondemand scheduler

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Message-ID: <47B338E2.20409@zytor.com>
Date:	Wed, 13 Feb 2008 10:37:22 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Christian Borntraeger <borntraeger@...ibm.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: "avoid overflows in kernel/time" breakes my ondemand scheduler

Christian Borntraeger wrote:
> Hello H. Peter,
> 
> the patch "avoid overflows in kernel/time" makes the ondemand cpufreq 
> scheduler unusable. It looks like the cpufreq scheduler takes minutes to 
> react on load changes.
> 
> I looked at the patch but did not found an obvious problem. Reverting this 
> patch seems to fix the problem.
> 
> Do you have any ideas?
> 
> Christian 

Yes, a patch has already been sent upstream.

	-hpa
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