[{"id":1770679,"web_url":"http://patchwork.ozlabs.org/comment/1770679/","msgid":"<201709191400.9qOR1Zdq%fengguang.wu@intel.com>","list_archive_url":null,"date":"2017-09-19T06:28:58","subject":"Re: [PATCH net-next v3 1/4] bpf: add helper\n\tbpf_perf_event_read_value for perf event array map","submitter":{"id":67315,"url":"http://patchwork.ozlabs.org/api/people/67315/","name":"kernel test robot","email":"lkp@intel.com"},"content":"Hi Yonghong,\n\n[auto build test ERROR on net-next/master]\n\nurl: https://github.com/0day-ci/linux/commits/Yonghong-Song/bpf-add-two-helpers-to-read-perf-event-enabled-running-time/20170919-134113\nconfig: m68k-allyesconfig (attached as .config)\ncompiler: m68k-linux-gcc (GCC) 4.9.0\nreproduce:\n wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross\n chmod +x ~/bin/make.cross\n # save the attached .config to linux build tree\n make.cross ARCH=m68k \n\nAll errors (new ones prefixed by >>):\n\n kernel/bpf/arraymap.c: In function 'perf_event_fd_array_get_ptr':\n>> kernel/bpf/arraymap.c:495:6: error: too many arguments to function 'perf_event_read_local'\n if (perf_event_read_local(event, &value, NULL, NULL) == -EOPNOTSUPP)\n ^\n In file included from kernel/bpf/arraymap.c:18:0:\n include/linux/perf_event.h:1290:19: note: declared here\n static inline int perf_event_read_local(struct perf_event *event, u64 *value)\n ^\n\nvim +/perf_event_read_local +495 kernel/bpf/arraymap.c\n\n 480\t\n 481\tstatic void *perf_event_fd_array_get_ptr(struct bpf_map *map,\n 482\t\t\t\t\t\t struct file *map_file, int fd)\n 483\t{\n 484\t\tstruct bpf_event_entry *ee;\n 485\t\tstruct perf_event *event;\n 486\t\tstruct file *perf_file;\n 487\t\tu64 value;\n 488\t\n 489\t\tperf_file = perf_event_get(fd);\n 490\t\tif (IS_ERR(perf_file))\n 491\t\t\treturn perf_file;\n 492\t\n 493\t\tee = ERR_PTR(-EOPNOTSUPP);\n 494\t\tevent = perf_file->private_data;\n > 495\t\tif (perf_event_read_local(event, &value, NULL, NULL) == -EOPNOTSUPP)\n 496\t\t\tgoto err_out;\n 497\t\n 498\t\tee = bpf_event_entry_gen(perf_file, map_file);\n 499\t\tif (ee)\n 500\t\t\treturn ee;\n 501\t\tee = ERR_PTR(-ENOMEM);\n 502\terr_out:\n 503\t\tfput(perf_file);\n 504\t\treturn ee;\n 505\t}\n 506\t\n\n---\n0-DAY kernel test infrastructure Open Source Technology Center\nhttps://lists.01.org/pipermail/kbuild-all Intel Corporation","headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xxCfJ2hslz9s7h\n\tfor ;\n\tTue, 19 Sep 2017 16:30:00 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751519AbdISG35 (ORCPT );\n\tTue, 19 Sep 2017 02:29:57 -0400","from mga06.intel.com ([134.134.136.31]:51489 \"EHLO mga06.intel.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751374AbdISG34 (ORCPT );\n\tTue, 19 Sep 2017 02:29:56 -0400","from orsmga005.jf.intel.com ([10.7.209.41])\n\tby orsmga104.jf.intel.com with ESMTP; 18 Sep 2017 23:29:56 -0700","from bee.sh.intel.com (HELO bee) ([10.239.97.14])\n\tby orsmga005.jf.intel.com with ESMTP; 18 Sep 2017 23:29:53 -0700","from kbuild by bee with local (Exim 4.84_2)\n\t(envelope-from )\n\tid 1duC7Q-0002mp-4G; Tue, 19 Sep 2017 14:34:52 +0800"],"X-ExtLoop1":"1","X-IronPort-AV":"E=Sophos;i=\"5.42,416,1500966000\"; \n\td=\"gz'50?scan'50,208,50\";a=\"150783735\"","Date":"Tue, 19 Sep 2017 14:28:58 +0800","From":"kbuild test robot ","To":"Yonghong Song ","Cc":"kbuild-all@01.org, peterz@infradead.org, rostedt@goodmis.org,\n\tast@fb.com, daniel@iogearbox.net, netdev@vger.kernel.org,\n\tkernel-team@fb.com","Subject":"Re: [PATCH net-next v3 1/4] bpf: add helper\n\tbpf_perf_event_read_value for perf event array map","Message-ID":"<201709191400.9qOR1Zdq%fengguang.wu@intel.com>","MIME-Version":"1.0","Content-Type":"multipart/mixed; boundary=\"fdj2RfSjLxBAspz7\"","Content-Disposition":"inline","In-Reply-To":"<20170918230553.1624357-2-yhs@fb.com>","User-Agent":"Mutt/1.5.23 (2014-03-12)","X-SA-Exim-Connect-IP":"","X-SA-Exim-Mail-From":"fengguang.wu@intel.com","X-SA-Exim-Scanned":"No (on bee); SAEximRunCond expanded to false","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"}}]