Re: [Xen-devel] Workings/effectiveness of the xen-acpi-processor driver

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Apr 26, 2012 at 01:04:26PM -0400, Konrad Rzeszutek Wilk wrote:
> > >>
> > >> This I would take as C3 and C6 really not being used and the frequency 
> > >> scaling
> > > 
> > > To go in deeper modes there is also a need to backport a Xen unstable
> > > hypercall which will allow the kernel to detect the other states besides
> > > C0-C2.
> > > 
> > > "XEN_SET_PDC query was implemented in c/s 23783:
> > >     "ACPI: add _PDC input override mechanism".
> > >     
> > 
> > I see. There is a kernel patch about enabling MWAIT that refers to that...
> 
> Yeah, I should see about back-porting it in Xen 4.1..
> 

Should this patch be backported and merged to xen-4.1-testing.hg for Xen 4.1.3 
release ? 

Thanks,

-- Pasi



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