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Re: [Xen-devel] [PATCH] support 1gb pages in guest page table walker

To: "Christoph Egger" <Christoph.Egger@xxxxxxx>
Subject: Re: [Xen-devel] [PATCH] support 1gb pages in guest page table walker
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Fri, 22 Jul 2011 16:43:03 +0100
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>>> On 22.07.11 at 16:51, Christoph Egger <Christoph.Egger@xxxxxxx> wrote:
> Support 1gb pages in guest page table walker.

Why do you do this for GUEST_PAGING_LEVELS >= 3 rather than
GUEST_PAGING_LEVELS >= 4?

Jan

> This is needed for superpage support for
> nested virtualization.
> 
> Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>





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