Patch Detail

HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 9090,
    "url": "http://patches.dpdk.org/api/patches/9090/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1448382678-6060-2-git-send-email-danielx.t.mrzyglod@intel.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": "<1448382678-6060-2-git-send-email-danielx.t.mrzyglod@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1448382678-6060-2-git-send-email-danielx.t.mrzyglod@intel.com",
    "date": "2015-11-24T16:31:18",
    "name": "[dpdk-dev,v2] net: fix build with gcc 4.4.7 and strict aliasing",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "aedf3a45253a193d4f3e4bcf1895f21454d4b1a2",
    "submitter": {
        "id": 23,
        "url": "http://patches.dpdk.org/api/people/23/?format=api",
        "name": "Daniel Mrzyglod",
        "email": "danielx.t.mrzyglod@intel.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1448382678-6060-2-git-send-email-danielx.t.mrzyglod@intel.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/9090/comments/",
    "check": "pending",
    "checks": "http://patches.dpdk.org/api/patches/9090/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 8ABD98E9F;\n\tTue, 24 Nov 2015 17:33:18 +0100 (CET)",
            "from mga09.intel.com (mga09.intel.com [134.134.136.24])\n\tby dpdk.org (Postfix) with ESMTP id E31D18E8B\n\tfor <dev@dpdk.org>; Tue, 24 Nov 2015 17:33:16 +0100 (CET)",
            "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga102.jf.intel.com with ESMTP; 24 Nov 2015 08:33:09 -0800",
            "from unknown ([10.217.248.15])\n\tby orsmga002.jf.intel.com with SMTP; 24 Nov 2015 08:33:07 -0800",
            "by  (sSMTP sendmail emulation); Tue, 24 Nov 2015 17:33:06 +0100"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.20,338,1444719600\"; d=\"scan'208\";a=\"858501591\"",
        "From": "Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>",
        "To": "dev@dpdk.org",
        "Date": "Tue, 24 Nov 2015 17:31:18 +0100",
        "Message-Id": "<1448382678-6060-2-git-send-email-danielx.t.mrzyglod@intel.com>",
        "X-Mailer": "git-send-email 2.5.3",
        "In-Reply-To": "<1448382678-6060-1-git-send-email-danielx.t.mrzyglod@intel.com>",
        "References": "<1448377959-4440-1-git-send-email-danielx.t.mrzyglod@intel.com>\n\t<1448382678-6060-1-git-send-email-danielx.t.mrzyglod@intel.com>",
        "Subject": "[dpdk-dev] [PATCH v2] net: fix build with gcc 4.4.7 and strict\n\taliasing",
        "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": "This fix is for IPv6 checksum offload error on RHEL65.\nAny optimalisation above -O0 provide error in IPv6 checksum\nflag \"-fstrict-aliasing\" is default for optimalisation above -O0.\n\nFixes: 2b039d5f20a3 (\"net: fix build with gcc 4.4.7 and strict aliasing\")\n\nSigned-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>\n---\n lib/librte_net/rte_ip.h | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h\nindex 71c519a..5b7554a 100644\n--- a/lib/librte_net/rte_ip.h\n+++ b/lib/librte_net/rte_ip.h\n@@ -169,7 +169,8 @@ __rte_raw_cksum(const void *buf, size_t len, uint32_t sum)\n {\n \t/* workaround gcc strict-aliasing warning */\n \tuintptr_t ptr = (uintptr_t)buf;\n-\tconst uint16_t *u16 = (const uint16_t *)ptr;\n+\ttypedef uint16_t __attribute__((__may_alias__)) u16_p;\n+\tconst u16_p *u16 = (const u16_p *)ptr;\n \n \twhile (len >= (sizeof(*u16) * 4)) {\n \t\tsum += u16[0];\n",
    "prefixes": [
        "dpdk-dev",
        "v2"
    ]
}