> > There are fringe cases that are more complex, and maybe the correct reading > of the spec is to setup routing to avoid optimal paths, but it certainly is > possible to configure switches in a way that could not guarentee global > ordering. > > Jason If someone configures a multipath PCIe topology I think they will have potential for out of order RDMA reads/writes regardless of whether the target MR is in system memory of PCIe memory. So I don't think these crazy topologies are uniquely problematic for IOPMEM. Stephen -- 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
