On Tue, Jul 17, 2012 at 4:09 PM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote: > On Fri, Jul 13, 2012 at 04:55:06PM +0800, Asias He wrote: >> >> Hi folks, >> >> [I am resending to fix the broken thread in the previous one.] >> >> This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk >> device accelerator. Compared to userspace virtio-blk implementation, vhost-blk >> gives about 5% to 15% performance improvement. > > Same thing as tcm_host comment: > > It seems not 100% clear whether this driver will have major > userspace using it. And if not, it would be very hard to support a > driver when recent userspace does not use it in the end. > > I think a good idea for 3.6 would be to make it depend on > CONFIG_STAGING. Then we don't commit to an ABI. For this, you can add > a separate Kconfig and source it from drivers/staging/Kconfig. Maybe it > needs to be in a separate directory drivers/vhost/staging/Kconfig. > > I Cc'd the list of tcm_host in the hope that you can cooperate on this. > Adding it to staging allows more people to try it out, so that's a good thing. If I get a moment to play with it I'll let you know the results. Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html