On Thu, Jun 11, 2015 at 08:16:41PM +0000, Weiny, Ira wrote: > > For instance if we add SL it would be mandatory, but policy information like > > requesting net_device would be optional. > > Why would SL be mandatory? If the kernel asks for a specific SL then user space must respect that and return a path with that exact SL. If userspace does not know how to do that, then it must not answer the query. It cannot ignore the SL requirement and return a random SL. Hypothetically, assuming we add SL.. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html