[openib-general] [RFC][PATCH] rdma_cm: allow joins to return a unique address

[Sean Hefty]

> I understand that your approach relies on the uniqueness of the MGID
> being generated. This means that to have different MPI jobs use
> different MGIDs , the MGIDs must be generated --always-- on the same
> NODE and be propagated to other nodes/ranks participating in that MPI
> job - correct?

MGID uniqueness is provided by the SA when the join request contains an MGID of 
0.  There is no requirement that the MGIDs be generated on the same node.

- Sean