Re: [Xen-devel] Re: [XCP] new version available

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Jan 21, 2010 at 12:51:02PM -0500, Konrad Rzeszutek Wilk wrote:
> On Thu, Jan 21, 2010 at 05:48:07PM +0000, Ian Pratt wrote:
> > > > > That's cool! Is there some comparison with GPLPV drivers in case of
> > > > > stability, speed, features and so on?
> > > > > It looks a bit like future competition between the two driver packs?
> > > >
> > > > Well the major difference is that GPLPV drivers are opensource,
> > > > and the Citrix Windows PV drivers provided in XCP are not.
> > > 
> > > Ah, I see - too bad Citrix couldn't open source them :)
> > 
> > They're freely distributable in binary form, but they link against various 
> > MSFT libraries which have licenses that restrict what can be done with the 
> > source. The binaries pass all the MSFT class-specific WHQL tests and are 
> > signed so you don't get annoying pop-ups when installing them.
> 
> They work fine on bare-bone Xen? I remember seeing in the past data
> about having to add some extra keys in XenStore for this. Is that still
> the case?
>

Patches to support XCP Windows PV drivers are already in xen-3.4-testing.hg and 
xen-unstable.hg.

"xend: Add support for XCP Windows PV drivers":
http://xenbits.xen.org/xen-unstable.hg?rev/be9b8be3c648
http://xenbits.xen.org/xen-3.4-testing.hg?rev/d4e5058ce390

"Fix clock for XCP Windows PV drivers on restore":
http://xenbits.xen.org/xen-unstable.hg?rev/db8a985693f7
http://xenbits.xen.org/xen-3.4-testing.hg?rev/ae60cbc5bb6d

I think there's still windows registry hack needed for them to work.. 
or did the latest xcp release (0.1.1) remove this from the pv drivers?

-- Pasi


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