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Re: [Xen-devel] [PATCH] compat-mode/HVM support in xenctx

from [Tim Deegan]

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To:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] compat-mode/HVM support in xenctx
From:	Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date:	Mon, 5 Jan 2009 11:10:45 +0000
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At 11:08 +0000 on 05 Jan (1231153689), Keir Fraser wrote:
> On 05/01/2009 10:58, "Tim Deegan" <Tim.Deegan@xxxxxxxxxx> wrote:
> 
> > Add support to xenctx for guests that have a different word size
> > to the tools (x86 only, but shouldn't break ia64).  Again, only 32-bit
> > HVM guests are supported until EFER.LMA is easier to get at.
> 
> Maybe add a VGCF_ or dummy ourselves up a fake CR5 where we can stash these
> kinds of low-level flags.

I was thinking of extending the HVM save support to allow a particular
type and instance to be requested.  That would let us get the full 
register set for a HVM vcpu without walking the whole save record. 
But a VGCF_long_mode or similar would be quicker and easier. :)

Tim.

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

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