Hi Jason,
On Wed, Jun 3, 2020 at 4:43 PM Jason Wang <jasow...@redhat.com> wrote:
>
>
> On 2020/6/3 下午4:19, Cindy Lu wrote:
> >>> +static void vhost_vdpa_cleanup(NetClientState *nc)
> >>> +{
> >>> + VhostVDPAState *s = DO_UPCAST(VhostVDPAState, nc, nc);
> >>> +
> >>> + if (s->vhost_net) {
> >>> + vhost_net_cleanup(s->vhost_net);
> >>> + g_free(s->vhost_net);
> >>> + s->vhost_net = NULL;
> >>> + }
> >>> +
> >>> + qemu_purge_queued_packets(nc);
> >> Why this is needed?
> >>
> >> Thanks
> >>
> > This is to clean the packet in the queue while the vdpa remove, I
> > will double check this part
>
>
> Note we don't have a software backup driver for qemu currently (we
> probably need one in the future).
>
> So we can't fallback into userspace which means the packet can not be
> queued by qemu.
>
Got it, Thanks Jason, I will remove this part
> Thanks
>
