diff mbox

[dpdk-dev,12/14] add branch hint

Message ID 1413779906-28113-13-git-send-email-huawei.xie@intel.com (mailing list archive)
State Accepted, archived
Headers

Commit Message

Huawei Xie Oct. 20, 2014, 4:38 a.m. UTC 
add branch hint

Signed-off-by: Huawei Xie <huawei.xie@intel.com>
---
 examples/vhost/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index b2b92e9..fb22df4 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -1012,7 +1012,7 @@  virtio_tx_local(struct vhost_dev *vdev, struct rte_mbuf *m)
 
 			LOG_DEBUG(VHOST_DATA, "(%"PRIu64") TX: MAC address is local\n", tdev->device_fh);
 
-			if (dev_ll->vdev->remove) {
+			if (unlikely(dev_ll->vdev->remove)) {
 				/*drop the packet if the device is marked for removal*/
 				LOG_DEBUG(VHOST_DATA, "(%"PRIu64") Device is marked for removal\n", tdev->device_fh);
 			} else {
@@ -1210,7 +1210,7 @@  switch_worker(__attribute__((unused)) void *arg)
 			vdev = dev_ll->vdev;
 			dev = vdev->dev;
 
-			if (vdev->remove) {
+			if (unlikely(vdev->remove)) {
 				dev_ll = dev_ll->next;
 				unlink_vmdq(vdev);
 				vdev->ready = DEVICE_SAFE_REMOVE;
@@ -1249,7 +1249,7 @@  switch_worker(__attribute__((unused)) void *arg)
 				}
 			}
 
-			if (!vdev->remove) {
+			if (likely(!vdev->remove)) {
 				/* Handle guest TX*/
 				tx_count = rte_vhost_dequeue_burst(dev, VIRTIO_TXQ, mbuf_pool, pkts_burst, MAX_PKT_BURST);
 				/* If this is the first received packet we need to learn the MAC and setup VMDQ */