Re: [Xen-devel] Questions about PVH in Xen 4.3 unstable

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Samuel Thibault, le Wed 30 Jan 2013 13:20:16 +0100, a écrit :
> Roger Pau Monné, le Wed 30 Jan 2013 11:11:00 +0000, a écrit :
> > On 30/01/13 11:04, George Dunlap wrote:
> > > Yes, PVH is an extension of PV; so only operating systems which can be
> > > ported to PV will support PVH.
> > 
> > Isn't it probably easier to port a system with PVHVM support to PVH?
> 
> In general, no. Porting a system to PV involves a lot of tricky things
> deep in the OS, while writing a PV driver is much less involving.

Let me fix it: porting a system to PVH involves a lot less tricky things
deep in the OS than porting it to PV. There are still quite a few tricky
things to do, so I don't think PVH is half-way between PV and PVHVM.

Samuel

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