Patch Detail

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{
    "id": 50862,
    "url": "http://patches.dpdk.org/api/patches/50862/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20190306150342.2894-3-gage.eads@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": "<20190306150342.2894-3-gage.eads@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20190306150342.2894-3-gage.eads@intel.com",
    "date": "2019-03-06T15:03:38",
    "name": "[v6,2/6] ring: add a ring start marker",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "744d16516b836a62d5c21c4c3de78b4c13b03a84",
    "submitter": {
        "id": 586,
        "url": "http://patches.dpdk.org/api/people/586/?format=api",
        "name": "Eads, Gage",
        "email": "gage.eads@intel.com"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20190306150342.2894-3-gage.eads@intel.com/mbox/",
    "series": [
        {
            "id": 3642,
            "url": "http://patches.dpdk.org/api/series/3642/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=3642",
            "date": "2019-03-06T15:03:37",
            "name": "Add lock-free ring and mempool handler",
            "version": 6,
            "mbox": "http://patches.dpdk.org/series/3642/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/50862/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/50862/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 3F6435F34;\n\tWed,  6 Mar 2019 16:04:15 +0100 (CET)",
            "from mga12.intel.com (mga12.intel.com [192.55.52.136])\n\tby dpdk.org (Postfix) with ESMTP id 9EF662BAC\n\tfor <dev@dpdk.org>; Wed,  6 Mar 2019 16:04:09 +0100 (CET)",
            "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t06 Mar 2019 07:04:07 -0800",
            "from txasoft-yocto.an.intel.com ([10.123.72.192])\n\tby orsmga002.jf.intel.com with ESMTP; 06 Mar 2019 07:04:06 -0800"
        ],
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "X-Amp-File-Uploaded": "False",
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.58,448,1544515200\"; d=\"scan'208\";a=\"139634867\"",
        "From": "Gage Eads <gage.eads@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "olivier.matz@6wind.com, arybchenko@solarflare.com,\n\tbruce.richardson@intel.com, konstantin.ananyev@intel.com,\n\tstephen@networkplumber.org, jerinj@marvell.com, mczekaj@marvell.com, \n\tnd@arm.com, Ola.Liljedahl@arm.com",
        "Date": "Wed,  6 Mar 2019 09:03:38 -0600",
        "Message-Id": "<20190306150342.2894-3-gage.eads@intel.com>",
        "X-Mailer": "git-send-email 2.13.6",
        "In-Reply-To": "<20190306150342.2894-1-gage.eads@intel.com>",
        "References": "<20190305174019.9693-1-gage.eads@intel.com>\n\t<20190306150342.2894-1-gage.eads@intel.com>",
        "Subject": "[dpdk-dev] [PATCH v6 2/6] ring: add a ring start marker",
        "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\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "This marker allows us to replace \"&r[1]\" with \"&r->ring\" to locate the\nstart of the ring.\n\nSigned-off-by: Gage Eads <gage.eads@intel.com>\n---\n lib/librte_ring/rte_ring.h | 5 +++--\n 1 file changed, 3 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h\nindex c78db6916..f16d77b8a 100644\n--- a/lib/librte_ring/rte_ring.h\n+++ b/lib/librte_ring/rte_ring.h\n@@ -118,6 +118,7 @@ struct rte_ring {\n \t\tstruct rte_ring_headtail_ptr cons_ptr __rte_cache_aligned;\n \t};\n \tchar pad2 __rte_cache_aligned; /**< empty cache line */\n+\tvoid *ring[] __rte_cache_aligned; /**< empty marker for ring start */\n };\n \n #define RING_F_SP_ENQ 0x0001 /**< The default enqueue is \"single-producer\". */\n@@ -361,7 +362,7 @@ __rte_ring_do_enqueue(struct rte_ring *r, void * const *obj_table,\n \tif (n == 0)\n \t\tgoto end;\n \n-\tENQUEUE_PTRS(r, &r[1], prod_head, obj_table, n, void *);\n+\tENQUEUE_PTRS(r, &r->ring, prod_head, obj_table, n, void *);\n \n \tupdate_tail(&r->prod, prod_head, prod_next, is_sp, 1);\n end:\n@@ -403,7 +404,7 @@ __rte_ring_do_dequeue(struct rte_ring *r, void **obj_table,\n \tif (n == 0)\n \t\tgoto end;\n \n-\tDEQUEUE_PTRS(r, &r[1], cons_head, obj_table, n, void *);\n+\tDEQUEUE_PTRS(r, &r->ring, cons_head, obj_table, n, void *);\n \n \tupdate_tail(&r->cons, cons_head, cons_next, is_sc, 0);\n \n",
    "prefixes": [
        "v6",
        "2/6"
    ]
}