Re: [RFC 00/15] PCI: turn some __weak functions into callbacks

[Christoph Hellwig]

On Tue, Aug 21, 2018 at 12:30:50PM +0100, David Woodhouse wrote:
> On Mon, 2018-08-20 at 23:14 -0700, Christoph Hellwig wrote:
> > On Fri, Aug 17, 2018 at 12:26:30PM +0200, Arnd Bergmann wrote:
> > > Hi Bjorn and others,
> > > 
> > > Triggered by Christoph's patches, I had another go at converting
> > > all of the remaining pci host bridge implementations to be based
> > > on pci_alloc_host_bridge and a separate registration function.
> > 
> > I really like the idea behind this series.
> 
> Hm... are you turning direct calls into retpolined indirect calls?

He does.  But not anywhere near the fast path.