Hi
> > @@ -227,6 +227,7 @@ vhost_user_set_vring_num(struct virtio_net *dev,
> > "zero copy is force disabled\n");
> > dev->dequeue_zero_copy = 0;
> > }
> > + TAILQ_INIT(&vq->zmbuf_list);
> > }
> >
> > vq->shadow_used_ring = rte_malloc(NULL, @@ -261,6 +262,9 @@
> > numa_realloc(struct virtio_net *dev, int index)
> > int oldnode, newnode;
> > struct virtio_net *old_dev;
> > struct vhost_virtqueue *old_vq, *vq;
> > + struct zcopy_mbuf *new_zmbuf;
> > + struct vring_used_elem *new_shadow_used_ring;
> > + struct batch_copy_elem *new_batch_copy_elems;
> > int ret;
> >
> > old_dev = dev;
> > @@ -285,6 +289,33 @@ numa_realloc(struct virtio_net *dev, int index)
> > return dev;
> >
> > memcpy(vq, old_vq, sizeof(*vq));
> > + TAILQ_INIT(&vq->zmbuf_list);
> > +
> > + new_zmbuf = rte_malloc_socket(NULL, vq->zmbuf_size *
> > + sizeof(struct zcopy_mbuf), 0, newnode);
> > + if (new_zmbuf) {
> > + rte_free(vq->zmbufs);
> > + vq->zmbufs = new_zmbuf;
> > + }
>
> You need to consider how to handle the case ( rte_malloc_socket return
> NULL).
If it failed to allocate new_zmbuf, it uses old zmbufs, so as to keep vhost
alive.
>
> > + new_shadow_used_ring = rte_malloc_socket(NULL,
> > + vq->size * sizeof(struct vring_used_elem),
> > + RTE_CACHE_LINE_SIZE,
> > + newnode);
> > + if (new_shadow_used_ring) {
> > + rte_free(vq->shadow_used_ring);
> > + vq->shadow_used_ring = new_shadow_used_ring;
> > + }
> > +
>
> Ditto
>
> > + new_batch_copy_elems = rte_malloc_socket(NULL,
> > + vq->size * sizeof(struct batch_copy_elem),
> > + RTE_CACHE_LINE_SIZE,
> > + newnode);
> > + if (new_batch_copy_elems) {
> > + rte_free(vq->batch_copy_elems);
> > + vq->batch_copy_elems = new_batch_copy_elems;
> > + }
>
> Ditto
>
> > +
> > rte_free(old_vq);
> > }
> >
> > --
> > 2.0.1
