On 14/03/18 01:28 PM, Dan Williams wrote: > P2P over PCI/PCI-X is quite common in devices like raid controllers. > It would be useful if those configurations were not left behind so > that Linux could feasibly deploy offload code to a controller in the > PCI domain. Thanks for the note. Neat. In the end nothing is getting left behind it's just work for someone to add support. Even if I wasn't already going to make the change I mentioned it all fits in the architecture and APIs quite easily. Logan