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SubjectRe: A set of "standard" virtual devices?
On Tue, 3 Apr 2007 10:30:36 +0200,
Andi Kleen <ak@suse.de> wrote:

> On Tuesday 03 April 2007 10:29:06 Christian Borntraeger wrote:
> > On Monday 02 April 2007 23:12, Andi Kleen wrote:
> > >
> > > > How would that work in the case where virtualized guests don't have a
> > > > visible PCI bus, and the virtual environment doesn't pretend to emulate
> > > > a PCI bus?
> > >
> > > If they emulated one with the appropiate device
> > > then distribution driver auto probing would just work transparently for
> > > them.
> >
> > Still, that would only make sense for virtualized platforms that usually have
> > a PCI bus. Thinking about seeing a PCI device on ,lets say, s390 is strange.
>
> If it gets the job done surely you can tolerate a little strangeness?

On s390, it would be more than strangeness. There's no implementation
of PCI at all, someone would have to cook it up - and it wouldn't have
any use beyond those special devices. Since there isn't any bus type
that is available on *all* architectures, a generic "virtual" bus with
very simple probing seems much saner...
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