Re: [Xen-devel] 2.6.20.3 to be the next kernel?

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

On Monday 04 June 2007, Daniel P. Berrange wrote:
> On Mon, Jun 04, 2007 at 01:13:01PM -0500, Nate Carlson wrote:
> > On Mon, 4 Jun 2007, Mark Williamson wrote:
> > >Not sure.  A few interesting things are currently in progress with
> > >respect to kernel versions; the Xen paravirt-ops patches may be going
> > >into the next release mainline Linux (maybe?  I think?) at which point
> > >you'll be able to build domU kernels directly from kernel.org sources.
> >
> > Just curious - can you also build dom0?  :)
>
> No. AFAIK, at this point in time, Xen paravirt_ops is DomU only.

I think paravirt_ops support for dom0 is a topic for future work...  The 
backend drivers will need to be reviewed until they pass inspection by the 
LKML guys, plus the other dom0-specific functionality.  I'm not familiar 
enough with the code to know how much work this is going to be.

AFAIK the paravirt-ops code is a fairly functionally complete domU 
implementation though; supports SMP guests etc.  Because it's using paravirt 
ops it should be possible to boot the same kernel natively, paravirtualised 
in a Xen domU and paravirtualised in VMware using VMI.

Cheers,
Mark

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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