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 4E0F8C19F2A for ; Thu, 28 Jul 2022 05:50:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232577AbiG1Fu4 (ORCPT ); Thu, 28 Jul 2022 01:50:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229975AbiG1Fuy (ORCPT ); Thu, 28 Jul 2022 01:50:54 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40C86B87F for ; Wed, 27 Jul 2022 22:50:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658987453; x=1690523453; h=date:from:to:cc:subject:message-id:mime-version; bh=PmWzIIoAKbuqWH0Bqz5qpeIdzBxgkCFhOC1syxvSurQ=; b=Qj89heh61zOoPZbi/cpPGVDpJ+1g/uXcaMBcKvLRJFavW5cV0IHavXkj q0FGXbamyMQQBC6D7x6fTtJ4AeXAtlaemy+JewOgHlRtsXA3wG/RN0d/z FI4s6DFA/Q5zBMtPAzXPBNUXF24iMOrRMk/LJD3RYHMABxXBvHwzHHA3a kZDagYoa8L05mdnYZMtXAxP+6L6F+ITd3UsvbE0pRvqJc30Ck6ZJg5S89 jiAZ8V8lur4o13E9kFsec3H6KSsipLhU/2qKnouawXnJyGiqt4Us/fhwl E3eLWH8vMveZOwA/KDMb6eRT4KTF+yQY7xiSsojlCeP6OZ64ZFymIBczr g==; X-IronPort-AV: E=McAfee;i="6400,9594,10421"; a="288439653" X-IronPort-AV: E=Sophos;i="5.93,196,1654585200"; d="scan'208";a="288439653" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2022 22:50:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,196,1654585200"; d="scan'208";a="576300547" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 27 Jul 2022 22:50:51 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oGwQ6-0009jC-2Z; Thu, 28 Jul 2022 05:50:50 +0000 Date: Thu, 28 Jul 2022 13:50:34 +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 33/34] kernel/trace/ftrace.c:5267: warning: expecting prototype for ftrace_find_direct_func(). Prototype was for ftrace_find_direct_func_list() instead Message-ID: <202207281352.OqEbh6Vq-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: f593767b216bc743e441c394e560546dcaaacc05 [33/34] ftrace: Factor list functions for ftrace_direct_func find and alloc config: riscv-randconfig-r042-20220728 (https://download.01.org/0day-ci/archive/20220728/202207281352.OqEbh6Vq-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 12.1.0 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=f593767b216bc743e441c394e560546dcaaacc05 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 f593767b216bc743e441c394e560546dcaaacc05 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash kernel/trace/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): kernel/trace/ftrace.c:5267: warning: Function parameter or member 'list' not described in 'ftrace_find_direct_func_list' >> kernel/trace/ftrace.c:5267: warning: expecting prototype for ftrace_find_direct_func(). Prototype was for ftrace_find_direct_func_list() instead kernel/trace/ftrace.c:5876: warning: Function parameter or member 'addr' not described in 'unregister_ftrace_direct_multi' kernel/trace/ftrace.c:6017: warning: Function parameter or member 'ops' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:6017: warning: Function parameter or member 'ip' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:6017: warning: Function parameter or member 'remove' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:6017: warning: Function parameter or member 'reset' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:6036: warning: Function parameter or member 'ops' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6036: warning: Function parameter or member 'ips' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6036: warning: Function parameter or member 'cnt' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6036: warning: Function parameter or member 'remove' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6036: warning: Function parameter or member 'reset' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6050: warning: Function parameter or member 'ops' not described in 'ftrace_ops_set_global_filter' kernel/trace/ftrace.c:6078: warning: Function parameter or member 'ops' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:6078: warning: Function parameter or member 'buf' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:6078: warning: Function parameter or member 'len' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:6078: warning: Function parameter or member 'reset' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:6097: warning: Function parameter or member 'ops' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:6097: warning: Function parameter or member 'buf' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:6097: warning: Function parameter or member 'len' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:6097: warning: Function parameter or member 'reset' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:6112: warning: Function parameter or member 'buf' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:6112: warning: Function parameter or member 'len' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:6112: warning: Function parameter or member 'reset' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:6128: warning: Function parameter or member 'buf' not described in 'ftrace_set_global_notrace' kernel/trace/ftrace.c:6128: warning: Function parameter or member 'len' not described in 'ftrace_set_global_notrace' kernel/trace/ftrace.c:6128: warning: Function parameter or member 'reset' not described in 'ftrace_set_global_notrace' vim +5267 kernel/trace/ftrace.c 577d904d31d059 Jiri Olsa 2022-07-27 5251 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5252) /** 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5253) * ftrace_find_direct_func - test an address if it is a registered direct caller 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5254) * @addr: The address of a registered direct caller 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5255) * 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5256) * This searches to see if a ftrace direct caller has been registered 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5257) * at a specific address, and if so, it returns a descriptor for it. 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5258) * 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5259) * This can be used by architecture code to see if an address is 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5260) * a direct caller (trampoline) attached to a fentry/mcount location. 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5261) * This is useful for the function_graph tracer, as it may need to 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5262) * do adjustments if it traced a location that also has a direct 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5263) * trampoline attached to it. 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5264) */ f593767b216bc7 Jiri Olsa 2022-07-27 5265 struct ftrace_direct_func * f593767b216bc7 Jiri Olsa 2022-07-27 5266 ftrace_find_direct_func_list(struct ftrace_direct_list *list, unsigned long addr) 013bf0da047481 Steven Rostedt (VMware 2019-11-08 @5267) { 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5268) struct ftrace_direct_func *entry; 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5269) bool found = false; 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5270) 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5271) /* May be called by fgraph trampoline (protected by rcu tasks) */ f593767b216bc7 Jiri Olsa 2022-07-27 5272 list_for_each_entry_rcu(entry, &list->funcs, next) { 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5273) if (entry->addr == addr) { 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5274) found = true; 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5275) break; 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5276) } 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5277) } 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5278) if (found) 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5279) return entry; 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5280) 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5281) return NULL; 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5282) } 013bf0da047481 Steven Rostedt (VMware 2019-11-08 5283) :::::: The code at line 5267 was first introduced by commit :::::: 013bf0da0474816f57739daa006c8564ad7396a3 ftrace: Add ftrace_find_direct_func() :::::: TO: Steven Rostedt (VMware) :::::: CC: Steven Rostedt (VMware) -- 0-DAY CI Kernel Test Service https://01.org/lkp