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GET /api/patches/25653/?format=api
{ "id": 25653, "url": "http://patches.dpdk.org/api/patches/25653/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1498208779-166205-3-git-send-email-harry.van.haaren@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": "<1498208779-166205-3-git-send-email-harry.van.haaren@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1498208779-166205-3-git-send-email-harry.van.haaren@intel.com", "date": "2017-06-23T09:06:16", "name": "[dpdk-dev,3/6] service cores: EAL init changes", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "15a8c132bccaa13b559e4fb146fff8a9596a47f8", "submitter": { "id": 317, "url": "http://patches.dpdk.org/api/people/317/?format=api", "name": "Van Haaren, Harry", "email": "harry.van.haaren@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1498208779-166205-3-git-send-email-harry.van.haaren@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/25653/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/25653/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 126655699;\n\tFri, 23 Jun 2017 11:06:37 +0200 (CEST)", "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id F19773252\n\tfor <dev@dpdk.org>; Fri, 23 Jun 2017 11:06:29 +0200 (CEST)", "from fmsmga004.fm.intel.com ([10.253.24.48])\n\tby fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t23 Jun 2017 02:06:29 -0700", "from silpixa00398672.ir.intel.com ([10.237.223.128])\n\tby fmsmga004.fm.intel.com with ESMTP; 23 Jun 2017 02:06:27 -0700" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.39,377,1493708400\"; d=\"scan'208\";a=\"277769874\"", "From": "Harry van Haaren <harry.van.haaren@intel.com>", "To": "dev@dpdk.org", "Cc": "thomas@monjalon.net, jerin.jacob@caviumnetworks.com,\n\tkeith.wiles@intel.com, bruce.richardson@intel.com,\n\tHarry van Haaren <harry.van.haaren@intel.com>", "Date": "Fri, 23 Jun 2017 10:06:16 +0100", "Message-Id": "<1498208779-166205-3-git-send-email-harry.van.haaren@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1498208779-166205-1-git-send-email-harry.van.haaren@intel.com>", "References": "<1498208779-166205-1-git-send-email-harry.van.haaren@intel.com>", "Subject": "[dpdk-dev] [PATCH 3/6] service cores: EAL init changes", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <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 commit shows the changes required in rte_eal_init()\nto transparently launch the service threads. The threads\nare launched into the service worker functions here because\nafter rte_eal_init() the application is not gauranteed to\ncall any other DPDK API.\n\nAs the registration of services happens at initialization\ntime, the services that require CPU time are already available\nwhen we reach the end of rte_eal_init().\n\nSigned-off-by: Harry van Haaren <harry.van.haaren@intel.com>\n---\n lib/librte_eal/linuxapp/eal/eal.c | 15 +++++++++++++++\n 1 file changed, 15 insertions(+)", "diff": "diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c\nindex 7c78f2d..4d6ad0e 100644\n--- a/lib/librte_eal/linuxapp/eal/eal.c\n+++ b/lib/librte_eal/linuxapp/eal/eal.c\n@@ -78,6 +78,7 @@\n #include <rte_version.h>\n #include <rte_atomic.h>\n #include <malloc_heap.h>\n+#include <rte_service_private.h>\n \n #include \"eal_private.h\"\n #include \"eal_thread.h\"\n@@ -939,6 +940,20 @@ rte_eal_init(int argc, char **argv)\n \t\treturn -1;\n \t}\n \n+\t/* initialize service core threads and default service-core mapping */\n+\tstruct rte_config *config = rte_eal_get_configuration();\n+\tuint32_t service_cores[RTE_MAX_LCORE];\n+\tint count = rte_service_core_list(service_cores, RTE_MAX_LCORE);\n+\tfor (i = 0; i < count; i++) {\n+\t\tconfig->lcore_role[service_cores[i]] = ROLE_SERVICE;\n+\t\trte_service_core_start(service_cores[i]);\n+\t}\n+\tret = rte_service_init_default_mapping();\n+\tif (ret) {\n+\t\trte_errno = ENOEXEC;\n+\t\treturn -1;\n+\t}\n+\n \trte_eal_mcfg_complete();\n \n \treturn fctret;\n", "prefixes": [ "dpdk-dev", "3/6" ] }