[ofa-general] Re: [PATCH for-2.6.27 1/2] RDMA/Core: Add local dma lkey support.

[Steve Wise]

Roland Dreier wrote:
>  > I assumed that since the PD protection couldn't be enforced, that
>  > cxgb3 shouldn't take this approach.  But yea, if we ignore the pd
>  > issue, cxgb3 could hide this in a dma-mr, for local access only.
>
> I guess this is probably the right idea.  It's a little unfortunate that
> ULPs have to try the local_lkey and then fall back to get_dma_mr() but
> oh well.
>   

Do all the current IB hca's support the local_dma_lkey?  I mean, do we 
really need a capability bit?