On Thu, Sep 26, 2019 at 06:48:54PM +0800, Jason Wang wrote: > > On 2019/9/26 下午4:21, Michael S. Tsirkin wrote: > > On Thu, Sep 26, 2019 at 12:04:46PM +0800, Jason Wang wrote: > > > > > > I'm not sure how stable above ops are. > > > > > It's the kernel internal API, so there's no strict requirement for this. We > > > > > will export a version value for userspace for compatibility. > > > > Given it's tied to virtio we probably want kernel+userspace > > > > feature bits? > > > > > > Yes, then I think we could probably have a version field inside e.g > > > device_ops structure. Then it could be fetched from both kernel and > > > userspace driver. > > > > > > Thanks > > > > > > > my point was feature bits not a version number. > > > Something like backend_feature that current vhost_net did? > > Thanks > > > > right _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
