[openib-general] SM and smi

[Roland Dreier]

    Hal> This requires the MAD layer to peek into the outgoing MAD but
    Hal> all it has is the DMA address in the sg-list and the last
    Hal> time I tried to do this (go from DMA address to a VA), the
    Hal> approach used to do this was in the process of being
    Hal> deprecated. Last time, I think the need to do this was
    Hal> obviated. Is there an acceptable alternative ?

I thought the wr.ud.mad_hdr member was added for this sort of thing...

 - R.