On Mon, Jun 12, 2017 at 04:18:34PM -0500, Steve Wise wrote: > buffer when it polls the recv completion for the SEND or WRITE_W_IMMD. An iWARP > RNIC _must_ guarantee in-order delivery of data (but not actual placement). Am > I making sense? Yes, and IB is technically the same. As Tom pointed out, it is a quirk of the x86 & mellanox combination that apps can reliably 'spin on the last byte', it is certainly not guaranteed by any spec. 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