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GET /api/patches/55361/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 55361,
    "url": "http://patches.dpdk.org/api/patches/55361/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/14054ee1cce8033e5f056d4ba7c698e18ee10857.1561478388.git.anatoly.burakov@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": "<14054ee1cce8033e5f056d4ba7c698e18ee10857.1561478388.git.anatoly.burakov@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/14054ee1cce8033e5f056d4ba7c698e18ee10857.1561478388.git.anatoly.burakov@intel.com",
    "date": "2019-06-25T16:05:18",
    "name": "[v2,06/14] eal: add new API to lock/unlock mempool list",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "fd1ff8c9a3724934cb1ddbb43e9914b809cd4463",
    "submitter": {
        "id": 4,
        "url": "http://patches.dpdk.org/api/people/4/?format=api",
        "name": "Burakov, Anatoly",
        "email": "anatoly.burakov@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/14054ee1cce8033e5f056d4ba7c698e18ee10857.1561478388.git.anatoly.burakov@intel.com/mbox/",
    "series": [
        {
            "id": 5162,
            "url": "http://patches.dpdk.org/api/series/5162/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=5162",
            "date": "2019-06-25T16:05:12",
            "name": "Make shared memory config non-public",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/5162/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/55361/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/55361/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 6EE721BAE4;\n\tTue, 25 Jun 2019 18:06:02 +0200 (CEST)",
            "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id 7AEE11BA5B\n\tfor <dev@dpdk.org>; Tue, 25 Jun 2019 18:05:43 +0200 (CEST)",
            "from orsmga005.jf.intel.com ([10.7.209.41])\n\tby fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t25 Jun 2019 09:05:42 -0700",
            "from silpixa00399498.ir.intel.com (HELO\n\tsilpixa00399498.ger.corp.intel.com) ([10.237.223.125])\n\tby orsmga005.jf.intel.com with ESMTP; 25 Jun 2019 09:05:40 -0700"
        ],
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "X-Amp-File-Uploaded": "False",
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.63,416,1557212400\"; d=\"scan'208\";a=\"336894752\"",
        "From": "Anatoly Burakov <anatoly.burakov@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "david.marchand@redhat.com, thomas@monjalon.net,\n\tstephen@networkplumber.org",
        "Date": "Tue, 25 Jun 2019 17:05:18 +0100",
        "Message-Id": "<14054ee1cce8033e5f056d4ba7c698e18ee10857.1561478388.git.anatoly.burakov@intel.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "In-Reply-To": [
            "<cover.1561478388.git.anatoly.burakov@intel.com>",
            "<cover.1561478388.git.anatoly.burakov@intel.com>"
        ],
        "References": [
            "<cover.1561478388.git.anatoly.burakov@intel.com>",
            "<cover.1559147228.git.anatoly.burakov@intel.com>\n\t<cover.1561478388.git.anatoly.burakov@intel.com>"
        ],
        "Subject": "[dpdk-dev] [PATCH v2 06/14] eal: add new API to lock/unlock mempool\n\tlist",
        "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": "Currently, in order to lock access to the mempool list, a direct\naccess to the shared memory structure is needed. Add an API to do\nthe same.\n\nSigned-off-by: Anatoly Burakov <anatoly.burakov@intel.com>\n---\n lib/librte_eal/common/eal_common_mcfg.c       | 28 +++++++++++++++++++\n .../common/include/rte_eal_memconfig.h        | 24 ++++++++++++++++\n lib/librte_eal/rte_eal_version.map            |  4 +++\n 3 files changed, 56 insertions(+)",
    "diff": "diff --git a/lib/librte_eal/common/eal_common_mcfg.c b/lib/librte_eal/common/eal_common_mcfg.c\nindex 05167e4dc..ba2bc37b7 100644\n--- a/lib/librte_eal/common/eal_common_mcfg.c\n+++ b/lib/librte_eal/common/eal_common_mcfg.c\n@@ -60,3 +60,31 @@ rte_mcfg_tailq_write_unlock(void)\n \tstruct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;\n \trte_rwlock_write_unlock(&mcfg->qlock);\n }\n+\n+void\n+rte_mcfg_mempool_read_lock(void)\n+{\n+\tstruct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;\n+\trte_rwlock_read_lock(&mcfg->mplock);\n+}\n+\n+void\n+rte_mcfg_mempool_read_unlock(void)\n+{\n+\tstruct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;\n+\trte_rwlock_read_unlock(&mcfg->mplock);\n+}\n+\n+void\n+rte_mcfg_mempool_write_lock(void)\n+{\n+\tstruct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;\n+\trte_rwlock_write_lock(&mcfg->mplock);\n+}\n+\n+void\n+rte_mcfg_mempool_write_unlock(void)\n+{\n+\tstruct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;\n+\trte_rwlock_write_unlock(&mcfg->mplock);\n+}\ndiff --git a/lib/librte_eal/common/include/rte_eal_memconfig.h b/lib/librte_eal/common/include/rte_eal_memconfig.h\nindex 240fa150b..58dcbb96d 100644\n--- a/lib/librte_eal/common/include/rte_eal_memconfig.h\n+++ b/lib/librte_eal/common/include/rte_eal_memconfig.h\n@@ -148,6 +148,30 @@ rte_mcfg_tailq_write_lock(void);\n void\n rte_mcfg_tailq_write_unlock(void);\n \n+/**\n+ * Lock the internal EAL Mempool list for shared access.\n+ */\n+void\n+rte_mcfg_mempool_read_lock(void);\n+\n+/**\n+ * Unlock the internal EAL Mempool list for shared access.\n+ */\n+void\n+rte_mcfg_mempool_read_unlock(void);\n+\n+/**\n+ * Lock the internal EAL Mempool list for exclusive access.\n+ */\n+void\n+rte_mcfg_mempool_write_lock(void);\n+\n+/**\n+ * Unlock the internal EAL Mempool list for exclusive access.\n+ */\n+void\n+rte_mcfg_mempool_write_unlock(void);\n+\n #ifdef __cplusplus\n }\n #endif\ndiff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map\nindex ebdcdf269..c28951f65 100644\n--- a/lib/librte_eal/rte_eal_version.map\n+++ b/lib/librte_eal/rte_eal_version.map\n@@ -296,6 +296,10 @@ DPDK_19.08 {\n \trte_mcfg_mem_read_unlock;\n \trte_mcfg_mem_write_lock;\n \trte_mcfg_mem_write_unlock;\n+\trte_mcfg_mempool_read_lock;\n+\trte_mcfg_mempool_read_unlock;\n+\trte_mcfg_mempool_write_lock;\n+\trte_mcfg_mempool_write_unlock;\n \trte_mcfg_tailq_read_lock;\n \trte_mcfg_tailq_read_unlock;\n \trte_mcfg_tailq_write_lock;\n",
    "prefixes": [
        "v2",
        "06/14"
    ]
}