On Mon, Nov 16, 2015 at 12:08:58AM -0800, Ming Lin wrote: > But the tests I have done so far didn't show competitive performance > compared with vhost-scsi. Maybe because the mmio thing is slow. It is. Take a look at the google patches for the NVMe even index extension, which make it behave a lot more like virtio. -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html