Re: Re: Is pci-pasthrough enabled for F9 DomU?

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On Wed, May 28, 2008 at 11:32:12AM +0100, Jeremy Fitzhardinge wrote:
> Kanwar Ranbir Sandhu wrote:
> >On Wed, 2008-05-14 at 19:53 +0100, Daniel P. Berrange wrote:
> >  
> >>Sadly that's life with Xen.  Upstream Xen has basically stopped all 
> >>kernel development leaving 'official' Xen kernels stuck on 2.6.28 which is
> >>essentially useless for any modern distro. We had the choice between 
> >>trying
> >>to finish off the paravirt_ops port, or dropping Xen entirely :-(
> >>    
> >
> >What's this?  Xen kernel development has stopped?  What does that mean -
> >is the GPL project dead?
> 
> Not at all. 
> 
> In fact, I'd strongly disagree with Daniel's characterisation that Xen 
> has "stopped all kernel development" Redhat need to "finish off" the 
> paravirt_ops port.  I've been working on it full time for the last 
> couple of years, and have done the vast majority of the work needed to 
> get paravirt_ops working.
> 
> Redhat have contributed valuable work in areas like the paravirtual 
> framebuffer device, and are working on 64-bit and dom0 support.  But all 
> of that is based on the work I've been doing on paravirt-ops 
> infrastructure itself and the Xen implementation which uses it.
> 

Which reminds me that would be really nice to get a binary rpm for kernel-xen
with dom0 patches in it to try it and start reporting bugs.. :) 

> I'm still actively working on pvops/Xen, and currently focusing on 
> bringing it up to feature parity with the old 2.6.18-xen patches.  In 
> the last few weeks I've implemented balloon support, save/restore and 
> starting work on pv-hvm driver support.
> 

This is really excellent news! Thanks a lot for doing this work. 

Hopefully we'll see these features in rawhide/F10 kernel-xen soon :) 

-- Pasi

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