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Re: [Xen-devel] Does paging_gva_to_gfn() convert to mfn for PV guests?

from [Tim Deegan]

[Permanent Link][Original]

To:	Mike Sun <msun@xxxxxxxxxx>
Subject:	Re: [Xen-devel] Does paging_gva_to_gfn() convert to mfn for PV guests?
From:	Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date:	Tue, 13 May 2008 09:34:28 +0100
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At 16:01 -0400 on 12 May (1210608109), Mike Sun wrote:
> Does the function "paging_gva_to_gfn()" in
> xen/include/asm-x86/paging.h translate from guest virtual address to
> mfns or to pfns in PV guests that are not using fully translated
> shadow page tables (e.g. dom)?

It ought to, as long as they're using *some* kind of paging assistance.
For non-HVM guests, that means shadow paging, e.g. log-dirty or 'test' mode.

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

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