Re: [Xen-devel] [RFC] Hypercalls from HVM guests

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 7 Apr 2006, at 20:30, Steve Ofsthun wrote:

> > Actually, maybe using an unused index for CPUID (e.g. 0xb0000000) 
> > would
> > be better? As that's defined to return all zero's, and not cause any
> > traps whatever value you use (unless the CPU is so old that it doesn't
> > support CPUID, of course).
> This sounds encouraging, but is CPUID always trapped by the HVM code?
It can be, and in practise yes it is so this could work.

 -- Keir


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel