Cover Detail
Show a cover letter.
GET /api/covers/89133/?format=api
{ "id": 89133, "url": "https://patches.dpdk.org/api/covers/89133/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20210315151957.360530-1-maxime.coquelin@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": "<20210315151957.360530-1-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210315151957.360530-1-maxime.coquelin@redhat.com", "date": "2021-03-15T15:19:53", "name": "[v2,0/4] net/virtio: make virtqueue struct cache-friendly", "submitter": { "id": 512, "url": "https://patches.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20210315151957.360530-1-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 15660, "url": "https://patches.dpdk.org/api/series/15660/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=15660", "date": "2021-03-15T15:19:53", "name": "net/virtio: make virtqueue struct cache-friendly", "version": 2, "mbox": "https://patches.dpdk.org/series/15660/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/89133/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 19B51A054F;\n\tMon, 15 Mar 2021 16:20:17 +0100 (CET)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id B33844068C;\n\tMon, 15 Mar 2021 16:20:16 +0100 (CET)", "from us-smtp-delivery-124.mimecast.com\n (us-smtp-delivery-124.mimecast.com [63.128.21.124])\n by mails.dpdk.org (Postfix) with ESMTP id E594040687\n for <dev@dpdk.org>; Mon, 15 Mar 2021 16:20:15 +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-384-QM8-HMHlMQWNAPaWuZ8lnQ-1; Mon, 15 Mar 2021 11:20:13 -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 C0D6F802B45;\n Mon, 15 Mar 2021 15:20:11 +0000 (UTC)", "from max-t490s.redhat.com (unknown [10.36.110.10])\n by smtp.corp.redhat.com (Postfix) with ESMTP id 2F9445D75A;\n Mon, 15 Mar 2021 15:19:58 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1615821615;\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=9CKmo/kUsMhEayKxJ85aAt8+Tv41eBdEKx7J9ZAnMtQ=;\n b=cVlwYNZwL9fYMeEeGZkMASWcPPzWEHEL+gwI5Rp0YDhHVkM2i04DLxqjX3M745w4t1TTSX\n bh3DO8uy0NMz2wgzMcX4eBweJdB1Ki+oe2o/l6+d/PwosPxryzJxWeXSaqiCLrmY4NjDzj\n I/w2BMsuiPQGWqMciPWotYzbpwaRp38=", "X-MC-Unique": "QM8-HMHlMQWNAPaWuZ8lnQ-1", "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "dev@dpdk.org, chenbo.xia@intel.com, amorenoz@redhat.com,\n david.marchand@redhat.com, olivier.matz@6wind.com, bnemeth@redhat.com", "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Mon, 15 Mar 2021 16:19:53 +0100", "Message-Id": "<20210315151957.360530-1-maxime.coquelin@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=maxime.coquelin@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 v2 0/4] net/virtio: make virtqueue struct\n cache-friendly", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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": "This series optimizes the cache usage of virtqueue struct,\nby making a \"fake\" mbuf being dynamically allocated in Rx\nvirtnet struct, by removing a useless virtuque pointer\ninto the virtnet structs and by moving a few fields\nto pack holes.\n\nWith these 3 patches, the virtqueue struct size goes from\n576 bytes (9 cachelines) to 248 bytes (4 cachelines).\n\nChanges in v2:\n==============\n- Rebase on latest main\n- Improve error path in virtio_init_queue\n- Fix various typos in commit messages\n\nMaxime Coquelin (4):\n net/virtio: remove reference to virtqueue in vrings\n net/virtio: improve queue init error path\n net/virtio: allocate fake mbuf in Rx queue\n net/virtio: pack virtuqueue struct\n\n drivers/net/virtio/virtio_ethdev.c | 68 ++++++++++++-------\n drivers/net/virtio/virtio_rxtx.c | 36 +++++-----\n drivers/net/virtio/virtio_rxtx.h | 5 +-\n drivers/net/virtio/virtio_rxtx_packed.c | 4 +-\n drivers/net/virtio/virtio_rxtx_packed.h | 6 +-\n drivers/net/virtio/virtio_rxtx_packed_avx.h | 4 +-\n drivers/net/virtio/virtio_rxtx_simple.h | 2 +-\n .../net/virtio/virtio_rxtx_simple_altivec.c | 2 +-\n drivers/net/virtio/virtio_rxtx_simple_neon.c | 2 +-\n drivers/net/virtio/virtio_rxtx_simple_sse.c | 2 +-\n .../net/virtio/virtio_user/virtio_user_dev.c | 4 +-\n drivers/net/virtio/virtio_user_ethdev.c | 2 +-\n drivers/net/virtio/virtqueue.h | 24 ++++---\n 13 files changed, 88 insertions(+), 73 deletions(-)" }