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From: Ian Campbell on 9 Mar 2010 04:50
On Tue, 2010-03-09 at 07:00 +0000, Jeremy Fitzhardinge wrote:
> On 03/08/2010 05:53 PM, Sheng Yang wrote:
> > On Tuesday 09 March 2010 01:10:56 Stefano Stabellini wrote:
> >
> >> I think that mapping interrupts into VIRQs is a bad idea: you should map
> >> interrupts into pirqs instead, the code exists already on the kernel
> >> side so we don't need to do any (ugly) change ther.
> >>
> > The code existed in the pv_ops dom0 side, but not in the upstream Linux. The
> > latter is our target. We want this work to be accepted by upstream Linux soon.

> 2. It has significant overlaps with the current xen.git development
> which is also targeted for upstream. There's no point in creating
> an unnecessary duplicate mechanism when the infrastructure will be
> in place anyway.

There's also nothing stopping us from upstreaming portions of the "dom0"
patchset ahead of full dom0 support if it is useful for some domU
feature.

Ian.


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