>> >> The NVMe fabrics stuff could probably make use of this. It's an >> in-kernel system to allow remote access to an NVMe device over RDMA. So >> they ought to be able to optimize their transfers by DMAing directly to >> the NVMe's CMB -- no userspace interface would be required but there >> would need some kernel infrastructure. > > Yes, that's what I was thinking. The NVMe/f driver needs to map the CMB > for RDMA. I guess if it used ZONE_DEVICE like in the iopmem patches it > would be relatively easy to do. > Haggai, yes that was one of the use cases we considered when we put together the patchset. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
