On Wed, Jun 06, 2018 at 12:32:21PM +0300, Sagi Grimberg wrote: > Huh? different paths == different controllers so this sentence can't > be right... you mean that a path selector will select a controller > based on the home node of the local rdma device connecting to it and > the running cpu right?
Think of a system with say 8 cpu cores. Say we have two optimized paths. There is no point in going round robin or service time over the two paths for each logic pre-cpu queue. Instead we should always got to path A for a given cpu queue or path B to reduce selection overhead and cache footprint.
