Re: [PATCH v2 03/10] PCI/LUO: Forward prepare()/freeze()/cancel() callbacks to driver

David Matlack
2025-10-03T16:57:13Z

On Fri, Oct 3, 2025 at 9:28 AM Pasha Tatashin <pasha.tatashin@soleen.com> wrote:
>
> On Fri, Oct 3, 2025 at 12:16 PM Jason Gunthorpe <jgg@ziepe.ca> wrote:
> >
> > On Fri, Oct 03, 2025 at 09:03:36AM -0700, David Matlack wrote:
> > > > Shutting down enough of the PF kernel driver to safely kexec is almost
> > > > the same as unbinding it completely.
> > >
> > > I think it's totally fair to tell us to replace pci-pf-stub with
> > > vfio-pci. That gets rid of one PF driver.
> > >
> > > idpf cannot be easily replaced with vfio-pci, since the PF is also
> > > used for host networking.
> >
> > Run host networking on a VF instead?
>
> There is a plan for this, but not immediately. In upstream, I suspect
> vfio-pci is all we need, and other drivers can be added when it really
> necessary.

Sounds good to me.