Re: [Qemu-devel] [Qemu-block] [PATCH 4/4] block: Add VFIO based NVMe driver

2016-12-21 Thread Fam Zheng
On Wed, 12/21 11:59, Stefan Hajnoczi wrote: > On Wed, Dec 21, 2016 at 12:31:39AM +0800, Fam Zheng wrote: > > This is a new protocol driver that exclusively opens a host NVMe > > controller through VFIO. It achieves better latency than linux-aio. > > This is an interesting block driver to have for

Re: [Qemu-devel] [Qemu-block] [PATCH 4/4] block: Add VFIO based NVMe driver

2016-12-21 Thread Stefan Hajnoczi
On Wed, Dec 21, 2016 at 12:31:39AM +0800, Fam Zheng wrote: > This is a new protocol driver that exclusively opens a host NVMe > controller through VFIO. It achieves better latency than linux-aio. This is an interesting block driver to have for performance comparisons. Definitely something that is