From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiwei Bie Subject: [PATCH 3/4] net/virtio: use virtio barrier in packed ring Date: Wed, 23 Jan 2019 01:01:42 +0800 Message-ID: <20190122170143.5650-4-tiwei.bie@intel.com> References: <20190122170143.5650-1-tiwei.bie@intel.com> To: maxime.coquelin@redhat.com, zhihong.wang@intel.com, dev@dpdk.org Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id AB15C3238 for ; Tue, 22 Jan 2019 18:04:34 +0100 (CET) In-Reply-To: <20190122170143.5650-1-tiwei.bie@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Always use the virtio variants which support the platform memory ordering. Fixes: 9230ab8d7913 ("net/virtio: support platform memory ordering") Signed-off-by: Tiwei Bie --- drivers/net/virtio/virtio_rxtx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c index ebb86ef70..cc476b898 100644 --- a/drivers/net/virtio/virtio_rxtx.c +++ b/drivers/net/virtio/virtio_rxtx.c @@ -425,7 +425,7 @@ virtqueue_enqueue_recv_refill_packed(struct virtqueue *vq, vq->vq_desc_head_idx = dxp->next; if (vq->vq_desc_head_idx == VQ_RING_DESC_CHAIN_END) vq->vq_desc_tail_idx = vq->vq_desc_head_idx; - rte_smp_wmb(); + virtio_wmb(hw->weak_barriers); start_dp[idx].flags = flags; if (++vq->vq_avail_idx >= vq->vq_nentries) { vq->vq_avail_idx -= vq->vq_nentries; @@ -687,7 +687,7 @@ virtqueue_enqueue_xmit_packed(struct virtnet_tx *txvq, struct rte_mbuf *cookie, vq->vq_avail_idx = idx; - rte_smp_wmb(); + virtio_wmb(vq->hw->weak_barriers); head_dp->flags = head_flags; } -- 2.17.1