On Friday 28 May 2010 03:44:16 Len Brown wrote:
> On Thu, 27 May 2010, Thomas Renninger wrote:
...
> > > This driver does not yet know about cpu online/offline
> > > and thus will not yet play well with cpu-hotplug.
I thought this is also about soft on/offlining.
>
> > What means does not play well yet, suspend or manually offlining a
> > core will eventually (for sure?) hang the machine?
>
> It means less power savings savings than optimal
> for processors not present at module load time.
Ok, not really sever...
>
> > If this is known broken, should this already be spread through
> > linux-next?
>
> If you know somebody with a system that supports CPU hot-add
> on one of the processors supported by intel_idle, and they
> are willing to test linux-next, please have them contact me.
Real CPU hotplug is broken with acpi processor driver as well,
eventually it got addressed lately. Anyway, not sever...
Thanks,
Thomas
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