[openib-general] Re: [RFC] [PATCH 1/2] multicast support for multiple users

[Roland Dreier]

    Hal> I see your point so perhaps it is not needed. For IPoIB, that
    Hal> clearly works as the PKey is embedded in the MGID. I didn't
    Hal> think that was the case with generalized IB multicast.

A multicast group is uniquely identified by MGID.  There can't be two
different groups with the same MGID but different P_Keys.

 - R.