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GET /api/patches/40824/?format=api
http://patchwork.dpdk.org/api/patches/40824/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20180608103913.11517-7-maxime.coquelin@redhat.com/", "project": { "id": 1, "url": "http://patchwork.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": "<20180608103913.11517-7-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180608103913.11517-7-maxime.coquelin@redhat.com", "date": "2018-06-08T10:39:12", "name": "[dpdk-dev,6/7] vhost: prefetch first descriptor in dequeue path", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "2fe4d1924c5a715376fb8e14245041715fd8c219", "submitter": { "id": 512, "url": "http://patchwork.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "delegate": { "id": 2642, "url": "http://patchwork.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20180608103913.11517-7-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 50, "url": "http://patchwork.dpdk.org/api/series/50/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=50", "date": "2018-06-08T10:39:06", "name": "vhost: generalize buffer vectors", "version": 1, "mbox": "http://patchwork.dpdk.org/series/50/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/40824/comments/", "check": "fail", "checks": "http://patchwork.dpdk.org/api/patches/40824/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 633FB6CD1;\n\tFri, 8 Jun 2018 12:39:53 +0200 (CEST)", "from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73])\n\tby dpdk.org (Postfix) with ESMTP id B5FC46CA3\n\tfor <dev@dpdk.org>; Fri, 8 Jun 2018 12:39:49 +0200 (CEST)", "from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3])\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 2285840200A3;\n\tFri, 8 Jun 2018 10:39:49 +0000 (UTC)", "from localhost.localdomain (ovpn-112-47.ams2.redhat.com\n\t[10.36.112.47])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 3C52110F1C03;\n\tFri, 8 Jun 2018 10:39:48 +0000 (UTC)" ], "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "zhihong.wang@intel.com,\n\ttiwei.bie@intel.com,\n\tdev@dpdk.org", "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Fri, 8 Jun 2018 12:39:12 +0200", "Message-Id": "<20180608103913.11517-7-maxime.coquelin@redhat.com>", "In-Reply-To": "<20180608103913.11517-1-maxime.coquelin@redhat.com>", "References": "<20180608103913.11517-1-maxime.coquelin@redhat.com>", "X-Scanned-By": "MIMEDefang 2.78 on 10.11.54.3", "X-Greylist": [ "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.11.55.6]); Fri, 08 Jun 2018 10:39:49 +0000 (UTC)", "inspected by milter-greylist-4.5.16 (mx1.redhat.com\n\t[10.11.55.6]); \n\tFri, 08 Jun 2018 10:39:49 +0000 (UTC) for IP:'10.11.54.3'\n\tDOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com'\n\tHELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:''" ], "Subject": "[dpdk-dev] [PATCH 6/7] vhost: prefetch first descriptor in dequeue\n\tpath", "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://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://dpdk.org/ml/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 | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c\nindex 6e4004666..41386fbce 100644\n--- a/lib/librte_vhost/virtio_net.c\n+++ b/lib/librte_vhost/virtio_net.c\n@@ -1076,6 +1076,8 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,\n \t\tvq->shadow_used_idx = 0;\n \t}\n \n+\trte_prefetch0(&vq->avail->ring[vq->last_avail_idx & (vq->size - 1)]);\n+\n \t/*\n \t * Construct a RARP broadcast packet, and inject it to the \"pkts\"\n \t * array, to looks like that guest actually send such packet.\n", "prefixes": [ "dpdk-dev", "6/7" ] }{ "id": 40824, "url": "