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:

quoted

On Fri, Aug 17, 2018 at 12:26:30PM +0200, Arnd Bergmann wrote:

quoted

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.