Re: [Xen-devel] [PATCH 6/18 V2]: PVH xen: Introduce PVH guest type

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 25/03/2013 19:05, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:

>> These are all ugly, and I don't see why the triplet I suggested
>> (is_pv, is_pvh, and is_hvm), including their intended use, wouldn't
>> be acceptable.
> 
> Because this implies pvh is a new type, whereas like I said before,
> PVH is a PV guest. Ok, lets go with your suggestion above, and if
> people find it confusing, we can change in future.

It's not really PV -- the interfaces and execution environment are somewhat
different, evidence being that a legacy PV guest will not boot in PVH mode!
There are certainly similarities, but then there are between HVM and PV too
(e.g., many hypercalls), so at the end of the day a guest is one of
PV/PVH/HVM. So I have to agree with Jan.

 -- Keir



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