[Xen-devel] Re: [Qemu-devel] [PATCH 12/15] piix_pci: introduce a write_config notifier

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 12 Aug 2010, Blue Swirl wrote:
> On Thu, Aug 12, 2010 at 2:09 PM,  <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> > From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> >
> > Introduce a write config notifier in piix_pci, so that clients can be
> > notified every time a pci config write happens.
> > The patch also makes use of the notification mechanism in
> > xen_machine_fv.
> 
> Will the mechanism be used elsewhere? If not, I'd just add a call to
> xen_piix_pci_write_config_client() to piix_pci.c. It can be surrounded
> by Xen #ifdeffery, or you could introduce stubs like kvm-stub.c and
> friends.
> 

we were trying to avoid ifdef's in piix_pci, but if you are OK with just a
couple of them we'll gladly remove the hook.



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