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{ "id": 82211, "url": "https://patches.dpdk.org/api/covers/82211/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20201026163930.94032-1-amorenoz@redhat.com/", "project": { "id": 1, "url": "https://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": "<20201026163930.94032-1-amorenoz@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20201026163930.94032-1-amorenoz@redhat.com", "date": "2020-10-26T16:39:24", "name": "[v3,0/6] net/virtio-user: fix server mode", "submitter": { "id": 1397, "url": "https://patches.dpdk.org/api/people/1397/?format=api", "name": "Adrian Moreno", "email": "amorenoz@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20201026163930.94032-1-amorenoz@redhat.com/mbox/", "series": [ { "id": 13335, "url": "https://patches.dpdk.org/api/series/13335/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=13335", "date": "2020-10-26T16:39:24", "name": "net/virtio-user: fix server mode", "version": 3, "mbox": "https://patches.dpdk.org/series/13335/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/82211/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 1A7E5A04DD;\n\tMon, 26 Oct 2020 17:41:02 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id F03892B9D;\n\tMon, 26 Oct 2020 17:39:53 +0100 (CET)", "from us-smtp-delivery-124.mimecast.com\n (us-smtp-delivery-124.mimecast.com [63.128.21.124])\n by dpdk.org (Postfix) with ESMTP id 1C11A100C\n for <dev@dpdk.org>; Mon, 26 Oct 2020 17:39:51 +0100 (CET)", "from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com\n [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id\n us-mta-212-jPebk4-BP3ubjwwb_wCfqw-1; Mon, 26 Oct 2020 12:39:45 -0400", "from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com\n [10.5.11.15])\n (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n (No client certificate requested)\n by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8CEB7A0BDC;\n Mon, 26 Oct 2020 16:39:44 +0000 (UTC)", "from amorenoz.users.ipa.redhat.com (ovpn-114-135.ams2.redhat.com\n [10.36.114.135])\n by smtp.corp.redhat.com (Postfix) with ESMTP id C20275576E;\n Mon, 26 Oct 2020 16:39:39 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1603730389;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding;\n bh=DYlIpoKphSNxuUgQbMywah+eApiyWYhIUweFPSO/HI0=;\n b=gf7fEsGJN2SJkQwiqVC9u7joP24yeuRObqkk84vVrIfeCq0A4MD6r8DmdXTUwEh3lnaYO2\n DLZ/WNvYknPtHRUSEjWhzG+6TZKcl9EB+/uZhh8LsBAOCa74PhrHByAcvfqda6zjLbmKmz\n W0Ygnw0e4au/lofrP1x8WuuiBuIx2AI=", "X-MC-Unique": "jPebk4-BP3ubjwwb_wCfqw-1", "From": "Adrian Moreno <amorenoz@redhat.com>", "To": "dev@dpdk.org", "Cc": "yinan.wang@intel.com, patrick.fu@intel.com, chenbo.xia@intel.com,\n zhihong.wang@intel.com, maxime.coquelin@redhat.com,\n Adrian Moreno <amorenoz@redhat.com>", "Date": "Mon, 26 Oct 2020 17:39:24 +0100", "Message-Id": "<20201026163930.94032-1-amorenoz@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.15", "Authentication-Results": "relay.mimecast.com;\n auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=amorenoz@redhat.com", "X-Mimecast-Spam-Score": "0", "X-Mimecast-Originator": "redhat.com", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain; charset=\"US-ASCII\"", "Subject": "[dpdk-dev] [PATCH v3 0/6] net/virtio-user: fix server mode", "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 <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "A number of issues have been detected that currently break virtio-user\nserver mode.\nThis series addresses such issues.\nNote that virtio-user server mode is broken by design and many of the\nproblems that it currently has should be fixed by a bigger rework.\n\n--\nv2->v3:\nFix potential concurrency problem on get/set state\nHandle STATUS protocol feature flag\nFix undefined behaviour if STATUS feature is not supported\nEnsure packed virtqueues are reset on reconnection\n\n\nv1->v2:\nAdded patch 2 and 3 addressing additional issues\nCheck errno to select vhost-user backend and log the detected backend\ntype\n\nAdrian Moreno (6):\n net/virtio-user: fix backend selection if stat fails\n net/virtio-user: don't set/get_status until FEATURES_OK\n net/virtio-user: ignore result if STATUS is unsupported\n net/virtio-user: lock-protect status updates\n net/virtio-user: don't assume vhost status feature\n net/virtio-user: set status on socket reconnect\n\n drivers/net/virtio/virtio_user/vhost_user.c | 14 ++---\n .../net/virtio/virtio_user/virtio_user_dev.c | 53 +++++++++++++------\n .../net/virtio/virtio_user/virtio_user_dev.h | 5 +-\n drivers/net/virtio/virtio_user_ethdev.c | 40 ++++++++++----\n 4 files changed, 78 insertions(+), 34 deletions(-)" }