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GET /api/patches/23285/?format=api
{ "id": 23285, "url": "http://patches.dpdk.org/api/patches/23285/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20170406121428.16883-1-ferruh.yigit@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": "<20170406121428.16883-1-ferruh.yigit@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20170406121428.16883-1-ferruh.yigit@intel.com", "date": "2017-04-06T12:14:26", "name": "[dpdk-dev,1/3] net/thunderx: disable pmd for gcc < 4.7", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "730fb944dd102818cd274c90d2879588cbb5fdc1", "submitter": { "id": 324, "url": "http://patches.dpdk.org/api/people/324/?format=api", "name": "Ferruh Yigit", "email": "ferruh.yigit@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20170406121428.16883-1-ferruh.yigit@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/23285/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/23285/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 0B5CB2B84;\n\tThu, 6 Apr 2017 14:14:39 +0200 (CEST)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n\tby dpdk.org (Postfix) with ESMTP id ED92D9E3\n\tfor <dev@dpdk.org>; Thu, 6 Apr 2017 14:14:37 +0200 (CEST)", "from orsmga004.jf.intel.com ([10.7.209.38])\n\tby fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t06 Apr 2017 05:14:36 -0700", "from sivswdev02.ir.intel.com ([10.237.217.46])\n\tby orsmga004.jf.intel.com with ESMTP; 06 Apr 2017 05:14:35 -0700" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=simple/simple;\n\td=intel.com; i=@intel.com; q=dns/txt; s=intel;\n\tt=1491480878; x=1523016878;\n\th=from:to:cc:subject:date:message-id;\n\tbh=r1r5Pl1aJQw2+6IKUogCVkD/oZhbowYhg4ZjqY9QbAg=;\n\tb=W7qsVcq6EGcKxkm/VplU4Ieab96E9XEx+PCHpks/K/1mVLZNb/CSSOoT\n\tr44trx1Bx1V6xXZ1UffgvVYFtKzNcw==;", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.37,159,1488873600\"; d=\"scan'208\";a=\"74319358\"", "From": "Ferruh Yigit <ferruh.yigit@intel.com>", "To": "Jerin Jacob <jerin.jacob@caviumnetworks.com>,\n\tBruce Richardson <bruce.richardson@intel.com>,\n\tHarry van Haaren <harry.van.haaren@intel.com>,\n\tThomas Monjalon <thomas.monjalon@6wind.com>", "Cc": "dev@dpdk.org,\n\tFerruh Yigit <ferruh.yigit@intel.com>", "Date": "Thu, 6 Apr 2017 13:14:26 +0100", "Message-Id": "<20170406121428.16883-1-ferruh.yigit@intel.com>", "X-Mailer": "git-send-email 2.8.4", "Subject": "[dpdk-dev] [PATCH 1/3] net/thunderx: disable pmd for gcc < 4.7", "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": "PMD uses some compiler builtins and new compiler options. Tested with\ngcc 4.5.1 and following were not supported:\n\noption:\n-Ofast\n\nmacros:\n_Static_assert\n\n__ORDER_LITTLE_ENDIAN__\n__ORDER_BIG_ENDIAN__\n__BYTE_ORDER__\n\n__atomic_fetch_add\n__ATOMIC_ACQUIRE\n__atomic_load_n\n__ATOMIC_RELAXED\n__atomic_store_n\n__ATOMIC_RELEASE\n\nIt is not easy to fix all in PMD, disabling PMD for gcc version < 4.7\n\nSigned-off-by: Ferruh Yigit <ferruh.yigit@intel.com>\n---\n drivers/net/thunderx/Makefile | 8 ++++++++\n 1 file changed, 8 insertions(+)", "diff": "diff --git a/drivers/net/thunderx/Makefile b/drivers/net/thunderx/Makefile\nindex 706250b..0b9f0a2 100644\n--- a/drivers/net/thunderx/Makefile\n+++ b/drivers/net/thunderx/Makefile\n@@ -62,6 +62,14 @@ SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_svf.c\n \n ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)\n CFLAGS_nicvf_rxtx.o += -fno-prefetch-loop-arrays\n+\n+# Disable PMD for gcc < 4.7\n+ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)\n+$(warning thunderx pmd not supported by gcc < 4.7)\n+LIB = \n+SRC-y = \n+endif\n+\n endif\n CFLAGS_nicvf_rxtx.o += -Ofast\n \n", "prefixes": [ "dpdk-dev", "1/3" ] }