summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/vhost/net.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index a014ca042390..f59b615e2989 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -514,6 +514,12 @@ static int get_tx_bufs(struct vhost_net *net,
return ret;
}
+static bool tx_can_batch(struct vhost_virtqueue *vq, size_t total_len)
+{
+ return total_len < VHOST_NET_WEIGHT &&
+ !vhost_vq_avail_empty(vq->dev, vq);
+}
+
/* Expects to be always run from workqueue - which acts as
* read-size critical section for our kind of RCU. */
static void handle_tx(struct vhost_net *net)
@@ -598,8 +604,7 @@ static void handle_tx(struct vhost_net *net)
ubufs = NULL;
}
total_len += len;
- if (total_len < VHOST_NET_WEIGHT &&
- !vhost_vq_avail_empty(&net->dev, vq) &&
+ if (tx_can_batch(vq, total_len) &&
likely(!vhost_exceeds_maxpend(net))) {
msg.msg_flags |= MSG_MORE;
} else {