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GET /api/patches/6207/?format=api
{ "id": 6207, "url": "http://patchwork.dpdk.org/api/patches/6207/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/1436417938-18496-4-git-send-email-zlu@ezchip.com/", "project": { "id": 1, "url": "http://patchwork.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": "<1436417938-18496-4-git-send-email-zlu@ezchip.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1436417938-18496-4-git-send-email-zlu@ezchip.com", "date": "2015-07-09T04:58:49", "name": "[dpdk-dev,v4,03/11] eal: allow empty compile time flags RTE_COMPILE_TIME_CPUFLAGS", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "ef025337f8e6c0e0b7eb878f767076241b56967d", "submitter": { "id": 130, "url": "http://patchwork.dpdk.org/api/people/130/?format=api", "name": "Zhigang Lu", "email": "zlu@ezchip.com" }, "delegate": null, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/1436417938-18496-4-git-send-email-zlu@ezchip.com/mbox/", "series": [], "comments": "http://patchwork.dpdk.org/api/patches/6207/comments/", "check": "pending", "checks": "http://patchwork.dpdk.org/api/patches/6207/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 2D6625A88;\n\tThu, 9 Jul 2015 07:00:16 +0200 (CEST)", "from emea01-db3-obe.outbound.protection.outlook.com\n\t(mail-db3on0058.outbound.protection.outlook.com [157.55.234.58])\n\tby dpdk.org (Postfix) with ESMTP id 93B8B5A88\n\tfor <dev@dpdk.org>; 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client-ip=124.207.145.166;\n\thelo=bjgfarm-1.internal.tilera.com;", "From": "Zhigang Lu <zlu@ezchip.com>", "To": "<dev@dpdk.org>", "Date": "Thu, 9 Jul 2015 12:58:49 +0800", "Message-ID": "<1436417938-18496-4-git-send-email-zlu@ezchip.com>", "X-Mailer": "git-send-email 2.1.2", "In-Reply-To": "<1436417938-18496-1-git-send-email-zlu@ezchip.com>", "References": "<1436417938-18496-1-git-send-email-zlu@ezchip.com>", "X-EOPAttributedMessage": "0", "X-Microsoft-Exchange-Diagnostics": [ "1; AM1FFO11FD055;\n\t1:DdBwG+KuBPkSttxhurbpnfX8M8T0M8dXnrWJrckFWB4VBNAWkH896qCjYIsoZ4+HDqH0MspCmQv/IYYxmOiNss3pI5nNscMDQEdxaX8/RPIGKVx8Q6Upuv8Zer7qjFOADmDdpegCzsvO97Dy0jHCnLiO22KoI+abSY8rYkRXWGbmaab6GBO13bzwjcrWsEs7Bops5pJCI/L8qN2qRlXZHQJy832Vdcvm7sPe14/+FZsQIslIucCR68oHwAgJP4GIAdb+I3GtH8/D6yNz3XQT04v0rN8h6S+8hvw1//kjL6Z3hG3HYXIZkz82/0232qOqLL0QrHUa8Ja6lzhcaImo0H0kPEPvpeIZ29RwHwDQhD8UUy7NgpxUZ9A1wLcE71H6zaGiEYCkPpB/3/VY+gCyKZ41ZSBuO0Bx9VCcCfYHmA0i+35nCRGq9LcKwPllLIrX", "1; VI1PR02MB0813;\n\t2:ymdvaBqUupsYJ2Re4uGmY78RlLGeWZnPNStE+nrbH6sxru5Mf0QDpCjV+/4IgSPE;\n\t3:6MznXi7JSu/txZtp9rKTiJFzwWjEnUnK9LfVMc7eRwteq68+wejYpmcpb+F/CjsLXM5BspGhrJmt6XX7W/8wuzRdyEj235TxN+EBv1N4X2jTgQh8+mxXOSRjHCrBdoPN80vl5AqmrBAu9ZVaGo+zLCjGaYNPPqe7QQoGM7+eVcLwV7PsdwMiDtC6UVDkj5sO68zt2RbxRKly9r/2sR2rtB9UU4EpgbcRM7LdU58AVTCtFxyhRMid9owdo9ku1ZGE;\n\t25:BNK1kFQU89tw13iTpeLzXB57dwzWV7ffbDzKHnmFp58Wlp5bKoa6fas4c//mBGIxKG4t1hNy8EGjv5hlcLogLLisVufjgCOUVy/xH16R8gJiqmif798zY+NRUwGCMexujJOpQ5dQqjnyVJsq9l635JmUa3m84z1Mm0f0c2cq9rvZKNDlTg3POUeL1m34zsWi7JKhwWEuK0rPlrq8Fw+OITftMeBh1Xr4PI8i+e7Ew/YD+NUE9INKGTt9jKZqbZ0qfylAWE/KgX2yeZb9vc3kXQ==;\n\t20:okgaDq11UqNveOeILlimmEzgG41ZxB5I7BbGWx2DE4c18IT26gkwWTnCSGiTOxS0SJy1duZOXdKBVxpKATajagB9NMik7y1IC+1FD+GOnNpHh70sO/vQwgt9D1/ZXz/Y9GhMGkOA1GDn1U835gbp41Rgo8YwGk40Yl6ZduP9YxU=", "1; 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VI1PR02MB0813;\n\t5:xY9B2M3RHhsPRVf779tR+REDhbuEzdwta1VTk3lEYZSYOev0V3J0VSPdMyO89uHHJDs7Ewk5wlUOiTtoJPJcN5InIKZ8ojwFgjoKZ820nQ3nAH3KFHcAiyXdQYccHaTqkkPC6r5utwCVqieh3KiErQ==;\n\t24:IIf0pmaJCLMW3BAkDmWxcNlhcM+CKFZ2zHMpBpPhy+3PPOsYL49Hvewjo7gjgLz8Jk67hG7FKV7BCfoh1n4Qm2rYm76oldv+cIi2XLJu7QM=;\n\t20:44f3BjG1OV7NkFo7blcFzDV7c66Y8iwMvvd5l1mu8nBrco6haS5hlTWWVHmjQF6FUF9xkqfeoM+BPZeOt7cAVg==" ], "X-Forefront-Antispam-Report": "CIP:124.207.145.166; CTRY:CN; IPV:NLI; EFV:NLI; \n\tSFV:NSPM;\n\tSFS:(10009020)(6009001)(2980300002)(339900001)(189002)(199003)(42186005)(50986999)(76176999)(110136002)(19580395003)(19580405001)(107886002)(36756003)(5001960100002)(50466002)(2351001)(46102003)(189998001)(48376002)(229853001)(87936001)(77156002)(6806004)(92566002)(450100001)(62966003)(50226001)(5003940100001)(47776003)(2950100001)(85426001)(104016003)(86362001)(33646002)(105606002)(106466001)(4001430100001);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:VI1PR02MB0813;\n\tH:bjgfarm-1.internal.tilera.com; \n\tFPR:; SPF:Fail; MLV:sfv; MX:1; A:1; LANG:en; ", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Microsoft-Antispam": "UriScan:;BCL:0;PCL:0;RULEID:;SRVR:VI1PR02MB0813;", "X-Microsoft-Antispam-PRVS": "<VI1PR02MB08135EA1FBB2EC2AAE690721DB900@VI1PR02MB0813.eurprd02.prod.outlook.com>", "X-Exchange-Antispam-Report-Test": "UriScan:;", "X-Exchange-Antispam-Report-CFA-Test": "BCL:0; PCL:0;\n\tRULEID:(601004)(5005006)(3002001); SRVR:VI1PR02MB0813; BCL:0; PCL:0;\n\tRULEID:; SRVR:VI1PR02MB0813; ", "X-Forefront-PRVS": "0632519F33", "SpamDiagnosticOutput": "1:23", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "ezchip.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "09 Jul 2015 05:00:10.6765\n\t(UTC)", "X-MS-Exchange-CrossTenant-Id": "0fc16e0a-3cd3-4092-8b2f-0a42cff122c3", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "TenantId=0fc16e0a-3cd3-4092-8b2f-0a42cff122c3;\n\tIp=[124.207.145.166]; \n\tHelo=[bjgfarm-1.internal.tilera.com]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "VI1PR02MB0813", "Subject": "[dpdk-dev] [PATCH v4 03/11] eal: allow empty compile time flags\n\tRTE_COMPILE_TIME_CPUFLAGS", "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>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "When RTE_COMPILE_TIME_CPUFLAGS is empty, the rte_cpu_check_supported()\ncode breaks with a \"comparison is always false due to limited range of\ndata type\". This is because the compile_time_flags[] array is empty.\nAssigning the array dimension to a local variable apparently solves this.\n\nSigned-off-by: Zhigang Lu <zlu@ezchip.com>\nAcked-by: Bruce Richardson <bruce.richardson@intel.com>\n---\n lib/librte_eal/common/eal_common_cpuflags.c | 5 +++--\n 1 file changed, 3 insertions(+), 2 deletions(-)", "diff": "diff --git a/lib/librte_eal/common/eal_common_cpuflags.c b/lib/librte_eal/common/eal_common_cpuflags.c\nindex 6fd360c..8ba7b30 100644\n--- a/lib/librte_eal/common/eal_common_cpuflags.c\n+++ b/lib/librte_eal/common/eal_common_cpuflags.c\n@@ -30,6 +30,7 @@\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\n+#include <rte_common.h>\n #include <rte_cpuflags.h>\n \n /*\n@@ -62,10 +63,10 @@ rte_cpu_check_supported(void)\n \tstatic const enum rte_cpu_flag_t compile_time_flags[] = {\n \t\t\tRTE_COMPILE_TIME_CPUFLAGS\n \t};\n-\tunsigned i;\n+\tunsigned count = RTE_DIM(compile_time_flags), i;\n \tint ret;\n \n-\tfor (i = 0; i < sizeof(compile_time_flags)/sizeof(compile_time_flags[0]); i++) {\n+\tfor (i = 0; i < count; i++) {\n \t\tret = rte_cpu_get_flag_enabled(compile_time_flags[i]);\n \n \t\tif (ret < 0) {\n", "prefixes": [ "dpdk-dev", "v4", "03/11" ] }