On Wed, 2008-10-01 at 10:21 -0700, H. Peter Anvin wrote:
quoted text
> Alok Kataria wrote:
> >
> > (This proposal may be adopted by other guest OSes.  However, that is not
> > a requirement because a hypervisor can expose a different CPUID
> > interface depending on the guest OS type that is specified by the VM
> > configuration.)
> >
> 
> Excuse me, but that is blatantly idiotic.  Expecting the user having to
> configure a VM to match the target OS is *exactly* as stupid as
> expecting the user to reconfigure the BIOS.  It's totally the wrong
> thing to do.

Hi Peter, 

Its not a user who has to do anything special here.
There are *intelligent* VM developers out there who can export a
different CPUid interface depending on the guest OS type. And this is
what most of the hypervisors do (not necessarily for CPUID, but for
other things right now).

Alok.
quoted text
> 
>         -hpa

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