vhost: support event index

Support the new event index feature. When acked,
utilize it to reduce the # of interrupts sent to the guest.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 2f7c76a85e53..e224a92baa16 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -144,7 +144,7 @@ static void handle_tx(struct vhost_net *net)
         }
 
         mutex_lock(&vq->mutex);
-        vhost_disable_notify(vq);
+        vhost_disable_notify(&net->dev, vq);
 
         if (wmem < sock->sk->sk_sndbuf / 2)
                 tx_poll_stop(net);
@@ -166,8 +166,8 @@ static void handle_tx(struct vhost_net *net)
                                 set_bit(SOCK_ASYNC_NOSPACE, &sock->flags);
                                 break;
                         }
-                        if (unlikely(vhost_enable_notify(vq))) {
-                                vhost_disable_notify(vq);
+                        if (unlikely(vhost_enable_notify(&net->dev, vq))) {
+                                vhost_disable_notify(&net->dev, vq);
                                 continue;
                         }
                         break;
@@ -315,7 +315,7 @@ static void handle_rx(struct vhost_net *net)
                 return;
 
         mutex_lock(&vq->mutex);
-        vhost_disable_notify(vq);
+        vhost_disable_notify(&net->dev, vq);
         vhost_hlen = vq->vhost_hlen;
         sock_hlen = vq->sock_hlen;
 
@@ -334,10 +334,10 @@ static void handle_rx(struct vhost_net *net)
                         break;
                 /* OK, now we need to know about added descriptors. */
                 if (!headcount) {
-                        if (unlikely(vhost_enable_notify(vq))) {
+                        if (unlikely(vhost_enable_notify(&net->dev, vq))) {
                                 /* They have slipped one in as we were
                                  * doing that: check again. */
-                                vhost_disable_notify(vq);
+                                vhost_disable_notify(&net->dev, vq);
                                 continue;
                         }
                         /* Nothing new?  Wait for eventfd to tell us