Re: [RFC XEN PATCH 4/6] x86/pvh: PVH dom0 also need PHYSDEVOP_setup_gsi call

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 15 Mar 2023, Andrew Cooper wrote:
> On 14/03/2023 4:30 pm, Jan Beulich wrote:
> > On 12.03.2023 08:54, Huang Rui wrote:
> >> From: Chen Jiqian <Jiqian.Chen@xxxxxxx>
> > An empty description won't do here. First of all you need to address the 
> > Why?
> > As already hinted at in the reply to the earlier patch, it looks like you're
> > breaking the intended IRQ model for PVH.
> 
> I think this is rather unfair.
> 
> Until you can point to the document which describes how IRQs are
> intended to work in PVH, I'd say this series is pretty damn good attempt
> to make something that functions, in the absence of any guidance.

And to make things more confusing those calls are not needed for PVH
itself, those calls are needed so that we can run QEMU to support
regular HVM guests on PVH Dom0 (I'll let Ray confirm.)

So technically, this is not breaking the PVH IRQ model.