Am 28.03.2018 um 14:38 schrieb Christoph Hellwig: > On Sun, Mar 25, 2018 at 12:59:54PM +0200, Christian König wrote: >> From: "wdavis at nvidia.com" <wdavis at nvidia.com> >> >> Add an interface to find the first device which is upstream of both >> devices. > Please work with Logan and base this on top of the outstanding peer > to peer patchset. Can you point me to that? The last code I could find about that was from 2015. Thanks, Christian.