On Thu, Feb 16, 2017 at 04:07:54PM -0600, Steve Wise wrote: > > > > Broadly speaking, providers are not using the existing macros > > consistently and the existing macros are very poorly defined. > > > > Due to this poor definition we struggled to implement a sensible > > barrier for ARM64 and just went with the strongest barriers instead. > > > > Split wmb/wmb_wc into several cases: > > udma_to_device_barrier - Think dma_map(TO_DEVICE) in kernel terms > > udma_ordering_write_barrier - Weaker than wmb() in the kernel > > mmio_flush_writes - Special to help work with WC memory > > mmio_wc_start - Special to help work with WC memory > > I think you left out the mmio_wc_start() implementation? Oops, that hunk ended up in patch 14. I've fixed it thanks 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