| Message ID | 20121203173151.GA30949@redhat.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: "Michael S. Tsirkin" <mst@redhat.com> Date: Mon, 3 Dec 2012 19:31:51 +0200 > These packet counters are used to drive the zercopy > selection heuristic so nothing too bad happens if they are off a bit - > and they are also reset once in a while. > But it's cleaner to clear them when backend is set so that > we start in a known state. > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Applied to net-next, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 67898fa..ff6c9199 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -823,6 +823,9 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd) r = vhost_init_used(vq); if (r) goto err_vq; + + n->tx_packets = 0; + n->tx_zcopy_err = 0; } mutex_unlock(&vq->mutex);
These packet counters are used to drive the zercopy selection heuristic so nothing too bad happens if they are off a bit - and they are also reset once in a while. But it's cleaner to clear them when backend is set so that we start in a known state. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- drivers/vhost/net.c | 3 +++ 1 file changed, 3 insertions(+)