On Mon, 2015-11-16 at 00:08 -0800, Ming Lin wrote: > On Sun, 2015-11-15 at 23:30 -0800, Nicholas A. Bellinger wrote: > > On Sat, 2015-11-07 at 18:00 +0100, Christoph Hellwig wrote: > > > This series continues the NVMe host drive split and also starts adding a > > > consume for it. The consumer is mostly interesting for developers at this > > > point as it's simply a 'loopback' NVMe device that ties the split NVMe > > > driver fronted into the new generic NVMe target subsystem. > > > > Very excited to see this code posted. 8-) > > > > > This was developed for our NVMe over Fabrics prototype, but will also be useful for > > > other work like Ming's virtio-nvme or event an implementation traditional > > > PCIe NVMe using vhost. > > > > > > > Wrt to vhost-nvme, the WIP code (Dr. Hannes + Dave CC'ed) I'm currently > > hacking on is here: > > > > https://git.kernel.org/cgit/linux/kernel/git/nab/target-pending.git/log/?h=vhost-nvme-wip > > > > Note it's still a week or two away (using rts-megasas as a reference) > > from actually functioning across a modest number of queue resources, but > > should at least give interested folks an idea of how things look so far. > > Hi Nic, > > FYI, > > I have done the vhost-nvme patches(based on our previous discussion) on > top of NVMe target. > > I'll post kernel & qemu patches early this week. > Great. Looking forward to seeing the prototype code. > But the tests I have done so far didn't show competitive performance > compared with vhost-scsi. Maybe because the mmio thing is slow. > Anything interesting hot-spots that show up in perf output..? > I'm going to do anther implementation with virtio-nvme/vhost-nvme. > With nvme-split, now virtio-nvme seems make sense. > > I have ported virtio-nvme last month. > https://git.kernel.org/cgit/linux/kernel/git/mlin/linux.git/log/?h=nvme-split/virtio Cool. :) -- 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
