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 035E0C433F5 for ; Mon, 27 Dec 2021 22:56:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231831AbhL0Wyn (ORCPT ); Mon, 27 Dec 2021 17:54:43 -0500 Received: from mga01.intel.com ([192.55.52.88]:36366 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229643AbhL0Wym (ORCPT ); Mon, 27 Dec 2021 17:54:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1640645682; x=1672181682; h=date:from:to:cc:subject:message-id:mime-version; bh=PIfAtJa48Ey6lFqPKBM3x+QVyuNqrNsMmDvsdisnj8I=; b=a/Wzjt7PdNl3VCRxGPWz0ctoHRwDxt6gJDxZIzKSiSgZO1cdhK+lH/Po MX3dvmRrB7KAyF8+QSckkizpR2nZTBE07eGRZTD7ozcM/eULLtQzNMO1R 3+B4RdLcIJJphK6JIhCRF46Kz7FwUGnkVGEkSaxqm5LA2bLkih/bk9bbw kQAOhva1nwxInmFi49Hb2kq3H6gGlPo/MV3PW9n4oWcZxSGaNq/qzQcuh 5fzAcuJG3w1+ohPrnVF5iXmiTWPTf0uBECEz5Tg+m/92xO1ndzG33P+4n Zx0K3YqmSSEXqppACCVYrKnNbSza/7K/s4O1STl4VtKXRicZtU2S/Koz8 A==; X-IronPort-AV: E=McAfee;i="6200,9189,10210"; a="265505432" X-IronPort-AV: E=Sophos;i="5.88,240,1635231600"; d="scan'208";a="265505432" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Dec 2021 14:54:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,240,1635231600"; d="scan'208";a="486138359" Received: from lkp-server01.sh.intel.com (HELO e357b3ef1427) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 27 Dec 2021 14:54:40 -0800 Received: from kbuild by e357b3ef1427 with local (Exim 4.92) (envelope-from ) id 1n1yt5-0006wz-CT; Mon, 27 Dec 2021 22:54:39 +0000 Date: Tue, 28 Dec 2021 06:54:30 +0800 From: kernel test robot To: Jiri Olsa Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [jolsa-perf:kprobe/multi 6/13] kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr' Message-ID: <202112280625.ZNZllxQ6-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) 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 kprobe/multi head: bc59262730d5cfc95d6cae84f247d2e8690a309b commit: a1974e6769e507428f52729967e6670a1548c239 [6/13] kprobe: Allow to get traced function address for multi ftrace kprobes config: x86_64-randconfig-a003-20211227 (https://download.01.org/0day-ci/archive/20211228/202112280625.ZNZllxQ6-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 511726c64d3b6cca66f7c54d457d586aa3129f67) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=a1974e6769e507428f52729967e6670a1548c239 git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf kprobe/multi git checkout a1974e6769e507428f52729967e6670a1548c239 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from kernel/trace/bpf_trace.c:14: include/linux/kprobes.h:76:21: error: field has incomplete type 'struct ftrace_ops' struct ftrace_ops ops; ^ include/linux/ftrace.h:332:8: note: forward declaration of 'struct ftrace_ops' struct ftrace_ops; ^ >> kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr' [-Werror,-Wimplicit-function-declaration] return (uintptr_t) kprobe_ftrace_multi_addr(); ^ kernel/trace/bpf_trace.c:1032:22: note: did you mean 'kprobe_ftrace_multi'? include/linux/kprobes.h:144:20: note: 'kprobe_ftrace_multi' declared here static inline bool kprobe_ftrace_multi(struct kprobe *p) ^ 2 errors generated. vim +/kprobe_ftrace_multi_addr +1032 kernel/trace/bpf_trace.c 1024 1025 BPF_CALL_1(bpf_get_func_ip_kprobe, struct pt_regs *, regs) 1026 { 1027 struct kprobe *kp = kprobe_running(); 1028 1029 if (!kp) 1030 return 0; 1031 if (kprobe_ftrace_multi(kp)) > 1032 return (uintptr_t) kprobe_ftrace_multi_addr(); 1033 else 1034 return (uintptr_t) kp->func_addr; 1035 } 1036 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org