From 364dddcd1bfe427b38a68b273f735b0f4558fbf4 Mon Sep 17 00:00:00 2001 From: Huawei Xie Date: Mon, 20 Oct 2014 12:38:24 +0800 Subject: [PATCH] examples/vhost: add branch hints Signed-off-by: Huawei Xie Acked-by: Changchun Ouyang --- examples/vhost/main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/examples/vhost/main.c b/examples/vhost/main.c index 8517fd3924..cc945f137a 100644 --- a/examples/vhost/main.c +++ b/examples/vhost/main.c @@ -1013,7 +1013,7 @@ 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 { @@ -1211,7 +1211,7 @@ 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; @@ -1250,7 +1250,7 @@ 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 */ -- 2.20.1