On Tue, Nov 10, 2015 at 04:00:43PM -0500, Tom Talpey wrote: > Hmm, agreed, but it must still be acceptable to perform a registration > instead of using the local_dma_lkey. As mentioned earlier, there are > scatter limits and other implications for all-physical addressing that > an upper layer may choose to avoid. It is always acceptable to use a lkey MR instead of the local dma lkey, but ULPs should prefer to use the local dma lkey if possible, for performance reasons. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
