Re: [Xen-devel] [PATCH] HVM x86_32 PAE guest support on 64-bit Xen

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 18 Feb 2006, at 00:26, Nakajima, Jun wrote:

> The patch enables x86_32 PAE unmodified guests on 64-bit Xen when the
> hvm feature is present. We tested only Linux at this point, and we'll
> improve the functionality as we test other guests.
>
> The SVM needs the equivalent changes to the vmc.c to get this
> functionality working, but this patch does not break the build.
Now that you (wisely) no longer mess with MSR_EFER directly (leaving it 
to the the vmexit/vmentry protocol) can you get rid of the 
VMX_INDEX_MSR_EFER? There's no point in saving/restoring it, since it's 
value will not be different from normal while you run in Xen context.
 -- Keir


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