Re: [libvirt] [RFC] Support for CPUID masking

> 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.