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Thu, 03 Mar 2022 04:03:43 +0000 Date: Thu, 3 Mar 2022 12:03:35 +0800 From: kernel test robot To: Sami Tolvanen Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.14-q-release 2605/9999] kernel/trace/ftrace.c:6567:6: warning: no previous declaration for 'ftrace_graph_return_stub' Message-ID: <202203031139.31glDHLy-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 Hi Sami, FYI, the error/warning still remains. tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.14-q-release head: 10b2283595d8504436650acaacae25859eb24bdc commit: 03002d0374dd37a1969c6c3aa5e16ffe9844af24 [2605/9999] ANDROID: ftrace: fix function type mismatches config: i386-randconfig-r024-20211019 (https://download.01.org/0day-ci/archive/20220303/202203031139.31glDHLy-lkp@intel.com/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/03002d0374dd37a1969c6c3aa5e16ffe9844af24 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.14-q-release git checkout 03002d0374dd37a1969c6c3aa5e16ffe9844af24 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/trace/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): kernel/trace/ftrace.c:2727:13: warning: no previous declaration for 'arch_ftrace_trampoline_free' [-Wmissing-declarations] void __weak arch_ftrace_trampoline_free(struct ftrace_ops *ops) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/ftrace.c:3488:1: warning: no previous declaration for 'arch_ftrace_trampoline_func' [-Wmissing-declarations] arch_ftrace_trampoline_func(struct ftrace_ops *ops, struct dyn_ftrace *rec) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/ftrace.c:3726:15: warning: no previous declaration for 'arch_ftrace_match_adjust' [-Wmissing-declarations] char * __weak arch_ftrace_match_adjust(char *str, const char *search) ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/ftrace.c: In function 'process_mod_list': kernel/trace/ftrace.c:4008:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^~~ kernel/trace/ftrace.c: In function 'ftrace_regex_release': kernel/trace/ftrace.c:5040:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^~~ kernel/trace/ftrace.c: At top level: kernel/trace/ftrace.c:5949:13: warning: no previous declaration for 'arch_ftrace_update_trampoline' [-Wmissing-declarations] void __weak arch_ftrace_update_trampoline(struct ftrace_ops *ops) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> kernel/trace/ftrace.c:6567:6: warning: no previous declaration for 'ftrace_graph_return_stub' [-Wmissing-declarations] void ftrace_graph_return_stub(struct ftrace_graph_ret *trace) ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/ftrace.c:6571:5: warning: no previous declaration for 'ftrace_graph_entry_stub' [-Wmissing-declarations] int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace) ^~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/ftrace.c:1093:27: warning: 'ftrace_swapper_pid' defined but not used [-Wunused-const-variable=] static struct pid * const ftrace_swapper_pid = &init_struct_pid; ^~~~~~~~~~~~~~~~~~ vim +/ftrace_graph_return_stub +6567 kernel/trace/ftrace.c 6566 > 6567 void ftrace_graph_return_stub(struct ftrace_graph_ret *trace) 6568 { 6569 } 6570 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org