Messages in this thread | | | Date | Fri, 2 Mar 2018 17:07:58 +0100 | From | Jesper Dangaard Brouer <> | Subject | Re: [PATCH net V2] virtio-net: re enable XDP_REDIRECT for mergeable buffer |
| |
On Fri, 2 Mar 2018 17:29:14 +0800 Jason Wang <jasowang@redhat.com> wrote:
> XDP_REDIRECT support for mergeable buffer was removed since commit > 7324f5399b06 ("virtio_net: disable XDP_REDIRECT in receive_mergeable() > case"). This is because we don't reserve enough tailroom for struct > skb_shared_info which breaks XDP assumption. So this patch fixes this > by reserving enough tailroom and using fixed size of rx buffer. > > Signed-off-by: Jason Wang <jasowang@redhat.com> > --- > Changes from V1: > - do not add duplicated tracepoint when redirection fails
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
I gave it a quick spin on my testlab, and cpumap seems to work/not-crash now (if I managed to turn back config to receive_mergeable() correctly ;-)).
-- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer
| |