[PATCH v2 1/5] PCI/P2PDMA: Don't enforce ACS check for functions of same device

[Bjorn Helgaas]

On Thu, Oct 24, 2024 at 10:21:17AM -0600, Logan Gunthorpe wrote:
> On 2024-10-23 23:50, Kasireddy, Vivek wrote:
> >> I'd echo many of Bjorn's concerns. In addition, I think the name of the
> >> pci_devs_are_p2pdma_compatible() isn't quite right. Specifically this is
> >> dealing with PCI functions within a single device that are known to
> >> allow P2P traffic. So I think the name should probably reflect that.
> >
> > Would pci_devfns_support_p2pdma() be a more appropriate name?
> 
> That sounds better to me, thanks.

This sounds similar to what's done in pci_dev_specific_acs_enabled().
Could this problem be solved by adding more device-specific quirks
there?

Bjorn