Re: [Xen-devel] PVH cleanups after 4.5

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 04.12.14 at 18:25, <tim@xxxxxxx> wrote:
> Potential feature flags, based on whiteboard notes at the session.
> Things that are 'Yes' in both columns might not need actual flags :)
> 
>                      'HVM'       'PVH'
> 64bit hypercalls      Yes         Yes
> 32bit hypercalls      Yes         No

Iiuc the lack of support of 32-bit hypercalls is simply because PVH
guests aren't expected to use them as being always 64-bit right
now. I.e. I can't really see why we couldn't just enable them once
the 64-bit hypercall tables got combined, in which case we wouldn't
need a feature flag here either.

Jan


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