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GET /api/patches/42466/?format=api
http://patches.dpdk.org/api/patches/42466/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180706070722.2043-5-maxime.coquelin@redhat.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20180706070722.2043-5-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180706070722.2043-5-maxime.coquelin@redhat.com", "date": "2018-07-06T07:07:11", "name": "[v9,04/15] vhost: clear shadow used table index at flush time", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "3da74a231260e7d827066e8dd3a61fe019beb555", "submitter": { "id": 512, "url": "http://patches.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "delegate": { "id": 2642, "url": "http://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20180706070722.2043-5-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 450, "url": "http://patches.dpdk.org/api/series/450/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=450", "date": "2018-07-06T07:07:07", "name": "Vhost: add support to packed ring layout", "version": 9, "mbox": "http://patches.dpdk.org/series/450/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/42466/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/42466/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 652771BFAF;\n\tFri, 6 Jul 2018 09:07:36 +0200 (CEST)", "from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73])\n\tby dpdk.org (Postfix) with ESMTP id D0F9F1BFAD\n\tfor <dev@dpdk.org>; Fri, 6 Jul 2018 09:07:34 +0200 (CEST)", "from smtp.corp.redhat.com\n\t(int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 5D99272647;\n\tFri, 6 Jul 2018 07:07:34 +0000 (UTC)", "from localhost.localdomain (unknown [10.36.112.10])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id AD3262026D68;\n\tFri, 6 Jul 2018 07:07:32 +0000 (UTC)" ], "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com,\n\tdev@dpdk.org", "Cc": "mst@redhat.com, jasowang@redhat.com, wexu@redhat.com,\n\tMaxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Fri, 6 Jul 2018 09:07:11 +0200", "Message-Id": "<20180706070722.2043-5-maxime.coquelin@redhat.com>", "In-Reply-To": "<20180706070722.2043-1-maxime.coquelin@redhat.com>", "References": "<20180706070722.2043-1-maxime.coquelin@redhat.com>", "X-Scanned-By": "MIMEDefang 2.78 on 10.11.54.4", "X-Greylist": [ "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.11.55.2]); Fri, 06 Jul 2018 07:07:34 +0000 (UTC)", "inspected by milter-greylist-4.5.16 (mx1.redhat.com\n\t[10.11.55.2]); \n\tFri, 06 Jul 2018 07:07:34 +0000 (UTC) for IP:'10.11.54.4'\n\tDOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com'\n\tHELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:''" ], "Subject": "[dpdk-dev] [PATCH v9 04/15] vhost: clear shadow used table index at\n\tflush time", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n lib/librte_vhost/virtio_net.c | 4 +---\n 1 file changed, 1 insertion(+), 3 deletions(-)", "diff": "diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c\nindex 82d5d9e17..d6b30899f 100644\n--- a/lib/librte_vhost/virtio_net.c\n+++ b/lib/librte_vhost/virtio_net.c\n@@ -115,6 +115,7 @@ flush_shadow_used_ring(struct virtio_net *dev, struct vhost_virtqueue *vq)\n \tvhost_log_cache_sync(dev, vq);\n \n \t*(volatile uint16_t *)&vq->used->idx += vq->shadow_used_idx;\n+\tvq->shadow_used_idx = 0;\n \tvhost_log_used_vring(dev, vq, offsetof(struct vring_used, idx),\n \t\tsizeof(vq->used->idx));\n }\n@@ -567,7 +568,6 @@ virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,\n \n \trte_prefetch0(&vq->avail->ring[vq->last_avail_idx & (vq->size - 1)]);\n \n-\tvq->shadow_used_idx = 0;\n \tavail_head = *((volatile uint16_t *)&vq->avail->idx);\n \tfor (pkt_idx = 0; pkt_idx < count; pkt_idx++) {\n \t\tuint32_t pkt_len = pkts[pkt_idx]->pkt_len + dev->vhost_hlen;\n@@ -1055,7 +1055,6 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,\n \t\tgoto out_access_unlock;\n \n \tvq->batch_copy_nb_elems = 0;\n-\tvq->shadow_used_idx = 0;\n \n \tif (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))\n \t\tvhost_user_iotlb_rd_lock(vq);\n@@ -1086,7 +1085,6 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,\n \n \t\tflush_shadow_used_ring(dev, vq);\n \t\tvhost_vring_call(dev, vq);\n-\t\tvq->shadow_used_idx = 0;\n \t}\n \n \trte_prefetch0(&vq->avail->ring[vq->last_avail_idx & (vq->size - 1)]);\n", "prefixes": [ "v9", "04/15" ] }{ "id": 42466, "url": "