[ofa-general] Verbs: IB vs. iWARP

[Steve Wise]

Roland Dreier wrote:
>  > One more item added to the wiki page:
>  > 
>  > 
>  >    * iWARP RNICs support a special privileged lkey == 0 which can be
>  >      used in local SGLs when the address is a bus/dma address.
> 
> I think under Linux this is pretty much irrelevant, given that we have
> ib_get_dma_mr().  And the IB BMME define the same concept anyway.
> 
>  - R.

Its not irrelevant if someone tries to port an iwarp app to IB and said 
iwarp app uses lkey 0 everywhere...