RE: [Xen-devel] RE: [Xen-changelog] [xen-unstable] Initial support for HVM compat guests

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx]
>Sent: 2007年1月15日 16:39
>
>Hmmm there is underlying code shared by both compat and native
>hypercall
>layer that will check IS_COMPAT. So jumping at the compat layer is
>insufficient (even though that is precisely what the hvm hypercall
>wrapper
>does).
>
>Basically this work isn't complete yet. Probably what will happen is that
>the IS_COMPAT() test will be made per-vcpu rather than per-domain and
>we
>will set the per-vcpu flag correctly for an hvm guest at least whenever it
>vmexits for a hypercall. Or we will make IS_COMPAT() look at
>shadow-mode
>guest_levels if it is invoked on an HVM vcpu.
>
> -- Keir

OK, the status is clearer to me now. Thanks a lot,
- Kevin

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