Re: [Xen-devel] Re: [PATCH] qemu-xen: Fix PV segfault

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

On Wed, Jul 02, 2008 at 03:50:15PM +0100, Ian Jackson wrote:
> John Levon writes ("Re: [Xen-devel] Re: [PATCH] qemu-xen: Fix PV segfault"):
> > Oh, if it's just the PV bits, then it's probably part of the work to
> > drop the need for the Xen daemons altogether and move to a domain ==
> > running qemu implementation as Dan Berrange presented at the summit some
> > time ago.
> 
> I wasn't around for that summit presentation but for the record my
> personal view is that this is a bad idea.  dom0 host processes are
> much more fragile (much more vulnerable to failures induced both
> inside that process and from the rest of dom0) than a Xen domain.
> Ideally the proper functioning of guests would not depend on that kind
> of complexity.

FYI I also wrote a short report outlining what I was trying to achieve.
I was in fact trying to reduce the complexity of userspace processes
in Xen, and to try to take maximum advantage of QEMU's existing code
for stuff like VNC, text consoles, device emulation, bootloading, and
all the disk formats

http://people.redhat.com/berrange/xen-summit-2007-sj/xen-summit-xenite-report.pdf

Regards,
Daniel
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