On Thu, Sep 9, 2021 at 5:18 PM Michael S. Tsirkin <mst@xxxxxxxxxx> wrote: > > On Thu, Sep 09, 2021 at 10:55:03AM +0800, Jason Wang wrote: > > On Wed, Sep 8, 2021 at 8:23 PM Wu Zongyong <wuzongyong@xxxxxxxxxxxxxxxxx> wrote: > > > > > > This new callback is used to indicate whether the vring size can be > > > change or not. It is useful when we have a legacy virtio pci device as > > > the vdpa device for there is no way to negotiate the vring num by the > > > specification. > > > > So I'm not sure it's worth bothering. E.g what if we just fail > > VHOST_SET_VRING_NUM it the value doesn't match what hardware has? > > > > Thanks > > More importantly is there and actual plan for supporting > legacy devices? I don't think they currently work at a number > of levels. I think the answer is no, it would introduce a lot of burdens. Thanks > > -- > MST > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization