On Wed, Jun 25, 2025 at 04:08:38PM +0200, Hans de Goede wrote: > Lukas made me aware of this attempt to fix the KERN_CRIT msg, because > I wrote a slightly different patch to fix this: > > https://lore.kernel.org/dri-devel/20250625112411.4123-1-ha...@kernel.org/ > > This seems like a cleaner fix to me and something which would be good > to have regardless since currently the driver_attach() call is doing > too much work because the promisc table catches an unnecessary wide > net / match matching many PCI devices which cannot be AGP capable > at all.
So how do you know that all of these unsupported devices have PCI_CLASS_BRIDGE_HOST? The only thing we know is that an AGP Capability must be present. In particular, AGP 3.0 sec 2.5 explicitly allows PCI-to-PCI bridges in addition to Host-to-PCI bridges. Thanks, Lukas
