[libvirt] [RFC] Support for CPUID masking

[Jiri Denemark]

> > We need to provide support for CPU ID masking. Xen and VMware ESX are examples
> > of current hypervisors which support such masking.
> > 
> > My proposal is to define new 'cpuid' feature advertised in guest
> > capabilities:
> ...
> > <domain type='xen' id='42'>
> >     ...
> >     <features>
> >         <pae/>
> >         <acpi/>
> >         <apic/>
> >         <cpuid>
> >             <mask level='1' register='ebx'>
> >                 xxxx:xxxx:0000:1010:xxxx:xxxx:xxxx:xxxx
> >             </mask>
> ...
> > What are your opinions about this?
> 
> I think it's too low-level, and the structure is x86-specific.

Hmm, right, it's only for x86... I'll come up with something better.

Jirka