Re: Recursive virtualization

["Casey Jeffery" <kcjeffery-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Dor,

Thanks, I realize there will certainly be a lot of work in
virtualizing them. Maybe Intel can help out with VVT-x to give a
root-root mode. ;)

Any idea at a high level how vbox does it? I will post in their forum,
but I assume somebody here has a good idea.

Thanks.

On 4/4/07, Dor Laor <dor.laor-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
> >I swear this has been brought up before in this forum, but I can't
> >find it. I'm curious what the virtualization gurus in this forum think
> >of the possibilities for recursive virtualization. I know vbox claims
> >to support it, but I haven't come across many details on how they do
> >it and I don't think they really use the hvm hardware. Is it something
> >that should be possible without an "enlightened" guest hypervisor and
> >by basically just virtualizing the VMCS/VMCB structures?
>
> We have an open todo task for it.
> It is 'just' emulating the VMCS/VMCB structures and commands.
>
> >
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