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

Izik Eidus
2007-10-29T08:03:18Z

On Mon, 2007-10-29 at 09:01 +0100, Carsten Otte wrote:
> 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 :-).

yep,
another cleanup is needed for:
the rmap part, and the mmu cache size setting that found it way to the
memory slot allocation function.