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GET /api/patches/37/?format=api
{ "id": 37, "url": "http://patches.dpdk.org/api/patches/37/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1404818184-29388-1-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": "<1404818184-29388-1-git-send-email-danielx.t.mrzyglod@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1404818184-29388-1-git-send-email-danielx.t.mrzyglod@intel.com", "date": "2014-07-08T11:16:24", "name": "[dpdk-dev] Added Spinlock to l3fwd-vf example to prevent race conditioning", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "f134663b9f9adb65d7b88016ed2ab40ebdd47790", "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/1404818184-29388-1-git-send-email-danielx.t.mrzyglod@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/37/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/37/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dtmrzglx@ecsmtp.ir.intel.com>", "Received": [ "from mga03.intel.com (mga03.intel.com [143.182.124.21])\n\tby dpdk.org (Postfix) with ESMTP id 980465960\n\tfor <dev@dpdk.org>; Tue, 8 Jul 2014 13:16:10 +0200 (CEST)", "from azsmga001.ch.intel.com ([10.2.17.19])\n\tby azsmga101.ch.intel.com with ESMTP; 08 Jul 2014 04:16:31 -0700", "from irvmail001.ir.intel.com ([163.33.26.43])\n\tby azsmga001.ch.intel.com with ESMTP; 08 Jul 2014 04:16:29 -0700", "from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com\n\t[10.237.217.45])\n\tby irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id\n\ts68BGTEJ018706; Tue, 8 Jul 2014 12:16:29 +0100", "from sivswdev01.ir.intel.com (localhost [127.0.0.1])\n\tby sivswdev01.ir.intel.com with ESMTP id s68BGTAc031304;\n\tTue, 8 Jul 2014 12:16:29 +0100", "(from dtmrzglx@localhost)\n\tby sivswdev01.ir.intel.com with id s68BGTQK031236;\n\tTue, 8 Jul 2014 12:16:29 +0100" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.01,625,1400050800\"; d=\"scan'208\";a=\"454423196\"", "From": "Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>", "To": "dev@dpdk.org", "Date": "Tue, 8 Jul 2014 12:16:24 +0100", "Message-Id": "<1404818184-29388-1-git-send-email-danielx.t.mrzyglod@intel.com>", "X-Mailer": "git-send-email 1.7.0.7", "Subject": "[dpdk-dev] [PATCH] Added Spinlock to l3fwd-vf example to prevent\n\trace conditioning", "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>", "X-List-Received-Date": "Tue, 08 Jul 2014 11:16:11 -0000" }, "content": "Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>\n---\n examples/l3fwd-vf/main.c | 6 +++++-\n 1 file changed, 5 insertions(+), 1 deletion(-)", "diff": "diff --git a/examples/l3fwd-vf/main.c b/examples/l3fwd-vf/main.c\nindex 2ca5c21..57852d0 100644\n--- a/examples/l3fwd-vf/main.c\n+++ b/examples/l3fwd-vf/main.c\n@@ -54,6 +54,7 @@\n #include <rte_per_lcore.h>\n #include <rte_launch.h>\n #include <rte_atomic.h>\n+#include <rte_spinlock.h>\n #include <rte_cycles.h>\n #include <rte_prefetch.h>\n #include <rte_lcore.h>\n@@ -328,7 +329,7 @@ struct lcore_conf {\n } __rte_cache_aligned;\n \n static struct lcore_conf lcore_conf[RTE_MAX_LCORE];\n-\n+static rte_spinlock_t spinlock_conf[RTE_MAX_ETHPORTS]={RTE_SPINLOCK_INITIALIZER};\n /* Send burst of packets on an output interface */\n static inline int\n send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)\n@@ -340,7 +341,10 @@ send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)\n \tqueueid = qconf->tx_queue_id;\n \tm_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;\n \n+\trte_spinlock_lock(&spinlock_conf[port]) ;\n \tret = rte_eth_tx_burst(port, queueid, m_table, n);\n+\trte_spinlock_unlock(&spinlock_conf[port]);\n+\t\n \tif (unlikely(ret < n)) {\n \t\tdo {\n \t\t\trte_pktmbuf_free(m_table[ret]);\n", "prefixes": [ "dpdk-dev" ] }