On Thu, Dec 07, 2006 at 09:36:29AM -0600, John Goerzen wrote:
> I believe that we should enable CPU frequency scaling, and the ondemand
> governer, by default in etch.
I did not follow the cpufreq issues closely, but by reading the
linux-kernel list in the last couple of months I had the impression that
the locking rules of cpufreq vs. CPU hotplug are a real mess. There were
some attempts to fix them, but they are not part of kernel 2.6.18.
Since CPU hotplug is needed for suspending on SMP systems (think
HT-capable and dual-core CPUs), I wonder how safe it would be to enable
cpufreq by default this close to the release.
Gabor
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MTA SZTAKI Computer and Automation Research Institute
Hungarian Academy of Sciences
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