From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huawei Xie Subject: [PATCH 12/14] add branch hint Date: Mon, 20 Oct 2014 12:38:24 +0800 Message-ID: <1413779906-28113-13-git-send-email-huawei.xie@intel.com> References: <1413779906-28113-1-git-send-email-huawei.xie@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1413779906-28113-1-git-send-email-huawei.xie-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" add branch hint Signed-off-by: Huawei Xie --- 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 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 */ -- 1.8.1.4