From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6C0EC04A68 for ; Thu, 28 Jul 2022 12:18:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236262AbiG1MSk (ORCPT ); Thu, 28 Jul 2022 08:18:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238198AbiG1MSQ (ORCPT ); Thu, 28 Jul 2022 08:18:16 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FCA7691CB for ; Thu, 28 Jul 2022 05:18:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659010690; x=1690546690; h=date:from:to:cc:subject:message-id:mime-version; bh=T9Bg2hHoHiLetjhY2EL+ufYLDmbp6OAojK1pZBfDiMQ=; b=QsrYCeepjXMsa/LIWIFHrDZklEu66PO/4mN7n85lxx/bkgnN37uoGAn+ fyC4W3kLJfVkh0N6cDmNjySXOp1yLSjuO67aFFekN4REXb4NeSKUR9CJ2 ZQ6eAW6lPHnQmtpPKvXIdmAsBUHLJmJ+rIp2RPnEEe/GsUfGEuMc2xdGt 3C9pvh8arRLpPXQtSfQbW1Vwx1Vu9HoBPWZur/1OSMRzQcbmgk1/kFBWL PQuAQlSShqjjFfsELS8h2EsfqVb6wQIPc5h6mKc8SwI9LxXy9jzkusxW8 z0dzYYSe2BUxKBtFLbYOjEQ91XgYNvTYdLt+3yE8li6B3Zs3kHPTdGzov g==; X-IronPort-AV: E=McAfee;i="6400,9594,10421"; a="314286131" X-IronPort-AV: E=Sophos;i="5.93,198,1654585200"; d="scan'208";a="314286131" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2022 05:18:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,198,1654585200"; d="scan'208";a="628868757" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 28 Jul 2022 05:18:08 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oH2Su-0009y6-0a; Thu, 28 Jul 2022 12:18:08 +0000 Date: Thu, 28 Jul 2022 20:17:16 +0800 From: kernel test robot To: Jiri Olsa Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [jolsa-perf:bpf/tracing_multi_4 23/34] kernel/bpf/trampoline.c:1115:15: error: implicit declaration of function 'set_ftrace_direct'; did you mean 'modify_ftrace_direct'? Message-ID: <202207282008.dkbWC7Qx-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/tracing_multi_4 head: 1637b6b5bec11596e52cdc0a6eadfa45a15276c3 commit: d2c85068156e7ef00b9748982859a332d50398cb [23/34] bpf: Add support to attach multi trampolines config: x86_64-randconfig-a006 (https://download.01.org/0day-ci/archive/20220728/202207282008.dkbWC7Qx-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=d2c85068156e7ef00b9748982859a332d50398cb git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf bpf/tracing_multi_4 git checkout d2c85068156e7ef00b9748982859a332d50398cb # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): kernel/bpf/trampoline.c: In function 'bpf_tramp_update_set': kernel/bpf/trampoline.c:1074:16: error: implicit declaration of function 'ftrace_hash_alloc' [-Werror=implicit-function-declaration] 1074 | hash = ftrace_hash_alloc(FTRACE_HASH_MAX_BITS); | ^~~~~~~~~~~~~~~~~ kernel/bpf/trampoline.c:1074:34: error: 'FTRACE_HASH_MAX_BITS' undeclared (first use in this function) 1074 | hash = ftrace_hash_alloc(FTRACE_HASH_MAX_BITS); | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf/trampoline.c:1074:34: note: each undeclared identifier is reported only once for each function it appears in kernel/bpf/trampoline.c:1101:33: error: implicit declaration of function 'ftrace_hash_add_entry' [-Werror=implicit-function-declaration] 1101 | ftrace_hash_add_entry(hash, entry); | ^~~~~~~~~~~~~~~~~~~~~ >> kernel/bpf/trampoline.c:1115:15: error: implicit declaration of function 'set_ftrace_direct'; did you mean 'modify_ftrace_direct'? [-Werror=implicit-function-declaration] 1115 | err = set_ftrace_direct(hash); | ^~~~~~~~~~~~~~~~~ | modify_ftrace_direct kernel/bpf/trampoline.c:1117:9: error: implicit declaration of function 'ftrace_hash_free' [-Werror=implicit-function-declaration] 1117 | ftrace_hash_free(hash); | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1115 kernel/bpf/trampoline.c 1067 1068 static int bpf_tramp_update_set(struct list_head *upd) 1069 { 1070 struct bpf_trampoline *tr; 1071 struct ftrace_hash *hash; 1072 int i, err; 1073 1074 hash = ftrace_hash_alloc(FTRACE_HASH_MAX_BITS); 1075 if (!hash) 1076 return -ENOMEM; 1077 1078 list_for_each_entry(tr, upd, update.list) { 1079 struct ftrace_func_entry *entry; 1080 unsigned long direct; 1081 1082 switch (tr->update.action) { 1083 case BPF_TRAMP_UPDATE_REG: 1084 case BPF_TRAMP_UPDATE_MODIFY: 1085 direct = (unsigned long) tr->update.im->image; 1086 break; 1087 case BPF_TRAMP_UPDATE_UNREG: 1088 direct = 0; 1089 break; 1090 } 1091 1092 if (tr->multi.id_multi) { 1093 for (i = 0; i < tr->multi.id_multi->cnt; i++) { 1094 entry = kmalloc(sizeof(*entry), GFP_KERNEL); 1095 if (!entry) { 1096 err = -ENOMEM; 1097 goto out_free; 1098 } 1099 entry->ip = (unsigned long) tr->multi.id_multi->addr[i]; 1100 entry->direct = direct; 1101 ftrace_hash_add_entry(hash, entry); 1102 } 1103 } else { 1104 entry = kmalloc(sizeof(*entry), GFP_KERNEL); 1105 if (!entry) { 1106 err = -ENOMEM; 1107 goto out_free; 1108 } 1109 entry->ip = (unsigned long) tr->func.addr; 1110 entry->direct = direct; 1111 ftrace_hash_add_entry(hash, entry); 1112 } 1113 } 1114 > 1115 err = set_ftrace_direct(hash); 1116 out_free: 1117 ftrace_hash_free(hash); 1118 return err; 1119 } 1120 -- 0-DAY CI Kernel Test Service https://01.org/lkp