Mailing List Archive

> On Sunday 30 January 2005 07:22 am, Felipe Alfaro Solana wrote:
> > AFAIK, Xen will be able to support Windows only on
> Vanderpool-enabled
> > CPUs.
>
> How will Vanderpool support page table management without changing any
> os code?

VT-x enables the hypervisor and guest operating system to use different
page tables and switches between them on entering/leaving the Xen.

Xen's maintains shadow page tables on behalf of the guestOS, reading and
translating the guest's table entries into the shadow tables on demand.

Ian


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On Monday 31 January 2005 03:23 am, Ian Pratt wrote:
> > On Sunday 30 January 2005 07:22 am, Felipe Alfaro Solana wrote:
> > > AFAIK, Xen will be able to support Windows only on
> > Vanderpool-enabled
> > > CPUs.
> >
> > How will Vanderpool support page table management without changing any
> > os code?
>
> VT-x enables the hypervisor and guest operating system to use different
> page tables and switches between them on entering/leaving the Xen.
>
> Xen's maintains shadow page tables on behalf of the guestOS, reading and
> translating the guest's table entries into the shadow tables on demand.
>
> Ian

Thanks. I've been waiting for the virtualization capability of VT for a long time.

Dave


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