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



Ian Campbell, le Wed 30 Jan 2013 12:26:07 +0000, a écrit :
> On Wed, 2013-01-30 at 12:20 +0000, Samuel Thibault wrote:
> > 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.
> 
> But in some sense the work for PVH is a superset of that for PVHVM, so
> in that sense it would be easier to port an OS with existing PVHVM
> support to PVH (which I think may have been what Roger was asking).
> 
> It is certainly the case that porting to PVH should be much easier than
> a port to regular PV.

Ah, yes.  I hadn't understood the question that way, sorry.

Samuel

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