Re: [Xen-devel] RFC: Nested VMX patch series 00

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On 06/01/11 12:15, Tim Deegan wrote:
> At 11:56 +0200 on 01 Jun (1306929406), Christoph Egger wrote:
> > On 06/01/11 06:11, Dong, Eddie wrote:
> > > Keir/Tim:
> > >         Here is the nested VMX support series for comments.
> > > The current solution works with host shadow page table. The virtual EPT
> > > support will come soon.
> > I am surprised that shadow-on-shadow works w/o touching anything in
> > xen/arch/x86/mm/*
> What do you think should break?  One major thing was that we didn't
> properly report invalid PTE bits, but that's been fixed.
I thought some code to switch forth and back between two shadow page 
tables needs to be added at least (one to run l1 guest and one to run
l2 guest).

Christoph


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