On Mon, Aug 22, 2016 at 11:35:47AM +0200, Maxime Coquelin wrote: > >- virtio_enqueue_offload(m, &virtio_hdr.hdr); > >- copy_virtio_net_hdr(dev, desc_addr, virtio_hdr); > >+ /* handle virtio header */ > >+ virtio_hdr = (struct virtio_net_hdr_mrg_rxbuf *)(uintptr_t)desc_addr; > >+ virtio_enqueue_offload(mbuf, &(virtio_hdr->hdr)); > Parenthesis around virtio_hdr->hdr shouldn't be needed. > > vhost_log_write(dev, desc->addr, dev->vhost_hlen); > >- PRINT_PACKET(dev, (uintptr_t)desc_addr, dev->vhost_hlen, 0); > Looks like you remove the PRINT_PACKET calls. > Does it impact performance?
Yes, it does. But it's only enabled for debug mode. Besides that, it's just a NOOP. > In any case, it should be mentionned in the commit message. Agreed. But for this case, we should not remove it: it breaks the debug-ability. --yliu