Re: [kvm-ppc-devel] RFC/patch portability: split kvm_vm_ioctl v2

Carsten Otte
2007-10-29T08:01:22Z

Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Avi Kivity wrote:
>>> Wht about aliases? Aliases allow you go have two different physical
>>> addresses for the same page. This is useful for mapping the
>>> framebuffer on x86 (both at the pci region and at 0xa0000, the
>>> traditional ISA location).
>>>
>>> Are they useful for ia64?
>>>
>>
>> Sure, it also should benefit IA64 side :)
>>
>
> Actually, thinking about it, regular memory slots support this too.
> Simply create a new memory slot to that memory. So aliases can be x86
> specific (for compatibility reasons).

Memory slots turn out to be surprisingly flexible :-).