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GET /api/patches/2312/?format=api
https://patches.dpdk.org/api/patches/2312/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1421298930-15210-12-git-send-email-changchun.ouyang@intel.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": "<1421298930-15210-12-git-send-email-changchun.ouyang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1421298930-15210-12-git-send-email-changchun.ouyang@intel.com", "date": "2015-01-15T05:15:19", "name": "[dpdk-dev,11/22] virtio: Check for packet headroom at compile time", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "f54220b18847e52e0113c69a73e0623abeb38e5c", "submitter": { "id": 31, "url": "https://patches.dpdk.org/api/people/31/?format=api", "name": "Ouyang Changchun", "email": "changchun.ouyang@intel.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1421298930-15210-12-git-send-email-changchun.ouyang@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/2312/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/2312/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 133D15AA0;\n\tThu, 15 Jan 2015 06:16:28 +0100 (CET)", "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id 026C05AA5\n\tfor <dev@dpdk.org>; Thu, 15 Jan 2015 06:16:04 +0100 (CET)", "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby fmsmga102.fm.intel.com with ESMTP; 14 Jan 2015 21:16:03 -0800", "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby fmsmga002.fm.intel.com with ESMTP; 14 Jan 2015 21:16:02 -0800", "from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com\n\t[10.239.29.89])\n\tby shvmail01.sh.intel.com with ESMTP id t0F5FxEH032661;\n\tThu, 15 Jan 2015 13:15:59 +0800", "from shecgisg004.sh.intel.com (localhost [127.0.0.1])\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP\n\tid t0F5FvvT015321; Thu, 15 Jan 2015 13:15:59 +0800", "(from couyang@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t0F5FvWK015317; \n\tThu, 15 Jan 2015 13:15:57 +0800" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.09,401,1418112000\"; d=\"scan'208\";a=\"662127968\"", "From": "Ouyang Changchun <changchun.ouyang@intel.com>", "To": "dev@dpdk.org", "Date": "Thu, 15 Jan 2015 13:15:19 +0800", "Message-Id": "<1421298930-15210-12-git-send-email-changchun.ouyang@intel.com>", "X-Mailer": "git-send-email 1.7.12.2", "In-Reply-To": "<1421298930-15210-1-git-send-email-changchun.ouyang@intel.com>", "References": "<1421298930-15210-1-git-send-email-changchun.ouyang@intel.com>", "Subject": "[dpdk-dev] [PATCH 11/22] virtio: Check for packet headroom at\n\tcompile time", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://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": "<http://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": "Better to check at compile time than fail at runtime.\n\nSigned-off-by: Stephen Hemminger <stephen@networkplumber.org>\nSigned-off-by: Changchun Ouyang <changchun.ouyang@intel.com>\n---\n lib/librte_pmd_virtio/virtio_ethdev.c | 6 +-----\n 1 file changed, 1 insertion(+), 5 deletions(-)", "diff": "diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c\nindex a07f4ca..c17cac8 100644\n--- a/lib/librte_pmd_virtio/virtio_ethdev.c\n+++ b/lib/librte_pmd_virtio/virtio_ethdev.c\n@@ -882,11 +882,7 @@ eth_virtio_dev_init(__rte_unused struct eth_driver *eth_drv,\n \tuint32_t offset_conf = sizeof(config->mac);\n \tstruct rte_pci_device *pci_dev;\n \n-\tif (RTE_PKTMBUF_HEADROOM < sizeof(struct virtio_net_hdr)) {\n-\t\tPMD_INIT_LOG(ERR,\n-\t\t\t\"MBUF HEADROOM should be enough to hold virtio net hdr\\n\");\n-\t\treturn -1;\n-\t}\n+\tRTE_BUILD_BUG_ON(RTE_PKTMBUF_HEADROOM < sizeof(struct virtio_net_hdr));\n \n \teth_dev->dev_ops = &virtio_eth_dev_ops;\n \teth_dev->tx_pkt_burst = &virtio_xmit_pkts;\n", "prefixes": [ "dpdk-dev", "11/22" ] }{ "id": 2312, "url": "