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GET /api/1.0/patches/61347/
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 61347,
    "url": "http://patchwork.dpdk.org/api/1.0/patches/61347/",
    "project": {
        "id": 1,
        "url": "http://patchwork.dpdk.org/api/1.0/projects/1/",
        "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"
    },
    "msgid": "<20191017071931.12680-1-alialnu@mellanox.com>",
    "date": "2019-10-17T07:19:31",
    "name": "[v2] net/mlx5: fix build with strict alignment enabled",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "99130a4aa1d632c92432726cf48a23a997decc9f",
    "submitter": {
        "id": 969,
        "url": "http://patchwork.dpdk.org/api/1.0/people/969/",
        "name": "Ali Alnubani",
        "email": "alialnu@mellanox.com"
    },
    "delegate": {
        "id": 3268,
        "url": "http://patchwork.dpdk.org/api/1.0/users/3268/",
        "username": "rasland",
        "first_name": "Raslan",
        "last_name": "Darawsheh",
        "email": "rasland@nvidia.com"
    },
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20191017071931.12680-1-alialnu@mellanox.com/mbox/",
    "series": [
        {
            "id": 6894,
            "url": "http://patchwork.dpdk.org/api/1.0/series/6894/",
            "date": "2019-10-17T07:19:31",
            "name": "[v2] net/mlx5: fix build with strict alignment enabled",
            "version": 2,
            "mbox": "http://patchwork.dpdk.org/series/6894/mbox/"
        }
    ],
    "check": "success",
    "checks": "http://patchwork.dpdk.org/api/patches/61347/checks/",
    "tags": {},
    "headers": {
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "Message-Id": "<20191017071931.12680-1-alialnu@mellanox.com>",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "MIME-Version": "1.0",
        "Precedence": "list",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "X-Mailman-Version": "2.1.15",
        "Subject": "[dpdk-dev] [PATCH v2] net/mlx5: fix build with strict alignment\n\tenabled",
        "To": "dev@dpdk.org",
        "Cc": "Jeremy Plsek <jplsek@iol.unh.edu>,\n\tViacheslav Ovsiienko <viacheslavo@mellanox.com>",
        "Errors-To": "dev-bounces@dpdk.org",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "Date": "Thu, 17 Oct 2019 10:19:31 +0300",
        "X-Mailer": "git-send-email 2.23.0",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 075E31E565;\n\tThu, 17 Oct 2019 09:20:08 +0200 (CEST)",
            "from git-send-mailer.rdmz.labs.mlnx (unknown [37.142.13.130])\n\tby dpdk.org (Postfix) with ESMTP id 44E201E558\n\tfor <dev@dpdk.org>; Thu, 17 Oct 2019 09:20:07 +0200 (CEST)"
        ],
        "References": "<20191015145508.19625-1-alialnu@mellanox.com>",
        "X-Original-To": "patchwork@dpdk.org",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "In-Reply-To": "<20191015145508.19625-1-alialnu@mellanox.com>",
        "Content-Transfer-Encoding": "8bit",
        "Delivered-To": "patchwork@dpdk.org",
        "List-Post": "<mailto:dev@dpdk.org>",
        "From": "Ali Alnubani <alialnu@mellanox.com>",
        "X-BeenThere": "dev@dpdk.org",
        "Return-Path": "<dev-bounces@dpdk.org>"
    },
    "content": "This patch converts some of the casts to unaligned integer types.\nThe memcpy call is replaced with explicit copying because it\nmay require type qualifiers in some environments.\n\nFixes: 18a1c20044c0 (\"net/mlx5: implement Tx burst template\")\n\nReported-by: Jeremy Plsek <jplsek@iol.unh.edu>\nSigned-off-by: Ali Alnubani <alialnu@mellanox.com>\nAcked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>\n---\n drivers/net/mlx5/mlx5_rxtx.c | 18 ++++++++++++------\n 1 file changed, 12 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c\nindex 10d0ca116..d6a5106c5 100644\n--- a/drivers/net/mlx5/mlx5_rxtx.c\n+++ b/drivers/net/mlx5/mlx5_rxtx.c\n@@ -2747,27 +2747,33 @@ mlx5_tx_dseg_iptr(struct mlx5_txq_data *restrict txq,\n \t/* Unrolled implementation of generic rte_memcpy. */\n \tdst = (uintptr_t)&dseg->inline_data[0];\n \tsrc = (uintptr_t)buf;\n+\tif (len & 0x08) {\n #ifdef RTE_ARCH_STRICT_ALIGN\n-\tmemcpy(dst, src, len);\n+\t\tassert(dst == RTE_PTR_ALIGN(dst, sizeof(uint32_t)));\n+\t\t*(uint32_t *)dst = *(unaligned_uint32_t *)src;\n+\t\tdst += sizeof(uint32_t);\n+\t\tsrc += sizeof(uint32_t);\n+\t\t*(uint32_t *)dst = *(unaligned_uint32_t *)src;\n+\t\tdst += sizeof(uint32_t);\n+\t\tsrc += sizeof(uint32_t);\n #else\n-\tif (len & 0x08) {\n-\t\t*(uint64_t *)dst = *(uint64_t *)src;\n+\t\t*(uint64_t *)dst = *(unaligned_uint64_t *)src;\n \t\tdst += sizeof(uint64_t);\n \t\tsrc += sizeof(uint64_t);\n+#endif\n \t}\n \tif (len & 0x04) {\n-\t\t*(uint32_t *)dst = *(uint32_t *)src;\n+\t\t*(uint32_t *)dst = *(unaligned_uint32_t *)src;\n \t\tdst += sizeof(uint32_t);\n \t\tsrc += sizeof(uint32_t);\n \t}\n \tif (len & 0x02) {\n-\t\t*(uint16_t *)dst = *(uint16_t *)src;\n+\t\t*(uint16_t *)dst = *(unaligned_uint16_t *)src;\n \t\tdst += sizeof(uint16_t);\n \t\tsrc += sizeof(uint16_t);\n \t}\n \tif (len & 0x01)\n \t\t*(uint8_t *)dst = *(uint8_t *)src;\n-#endif\n }\n \n /**\n",
    "prefixes": [
        "v2"
    ]
}