[PATCH v2 07/22] vfio/pci: Notify PCI subsystem about devices preserved across Live Update

[David Matlack]

On Mon, Mar 16, 2026 at 9:03 AM Vipin Sharma <vipinsh at google.com> wrote:
>
> On Thu, Jan 29, 2026 at 09:24:54PM +0000, David Matlack wrote:
> > diff --git a/drivers/vfio/pci/vfio_pci_liveupdate.c b/drivers/vfio/pci/vfio_pci_liveupdate.c
> > @@ -192,10 +200,24 @@ static struct liveupdate_file_handler vfio_pci_liveupdate_fh = {
> >
> >  int __init vfio_pci_liveupdate_init(void)
> >  {
> > +     int ret;
> > +
> >       if (!liveupdate_enabled())
> >               return 0;
> >
> > -     return liveupdate_register_file_handler(&vfio_pci_liveupdate_fh);
> > +     ret = liveupdate_register_file_handler(&vfio_pci_liveupdate_fh);
> > +     if (ret)
> > +             return ret;
> > +
> > +     ret = pci_liveupdate_register_fh(&vfio_pci_liveupdate_fh);
>
> May be we should rename pci_liveupdate_register_fh() to something like
> pci_register_to_liveupdate_flb(). In the current way, it is confusing to
> why same handler is getting registered at two places.
>
> Above name will also make it similar to IOMMU series as well
>   https://lore.kernel.org/kvm/20260203220948.2176157-2-skhawaja@google.com/

Will do.