Messages in this thread |  | | Date | Sat, 16 Apr 2022 12:49:31 +0800 | From | kernel test robot <> | Subject | [mcgrof:sysctl-testing 21/24] kernel/trace/ftrace.c:7884:2: error: use of undeclared identifier 'saved_ftrace_func' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-testing head: f219482651c5469dd3a6fab22c7be9fb763c26ef commit: ae3e836e7177c547d2ae3f51d20208462e623c57 [21/24] ftrace: fix building with SYSCTL=n but DYNAMIC_FTRACE=y config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20220416/202204161223.q212wtZL-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 8e43cbab33765c476337571e5ed11b005199dd0d) 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/mcgrof/linux.git/commit/?id=ae3e836e7177c547d2ae3f51d20208462e623c57 git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git git fetch --no-tags mcgrof sysctl-testing git checkout ae3e836e7177c547d2ae3f51d20208462e623c57 # 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 <lkp@intel.com>
All errors (new ones prefixed by >>):
>> kernel/trace/ftrace.c:7884:2: error: use of undeclared identifier 'saved_ftrace_func' saved_ftrace_func = NULL; ^ >> kernel/trace/ftrace.c:7886:6: error: use of undeclared identifier 'ftrace_start_up' if (ftrace_start_up) { ^ >> kernel/trace/ftrace.c:7887:13: error: use of undeclared identifier 'FTRACE_UPDATE_CALLS' command = FTRACE_UPDATE_CALLS; ^ >> kernel/trace/ftrace.c:7889:15: error: use of undeclared identifier 'FTRACE_START_FUNC_RET' command |= FTRACE_START_FUNC_RET; ^ >> kernel/trace/ftrace.c:7890:3: error: implicit declaration of function 'ftrace_startup_enable' is invalid in C99 [-Werror,-Wimplicit-function-declaration] ftrace_startup_enable(command); ^ kernel/trace/ftrace.c:7890:3: note: did you mean 'ftrace_startup_all'? kernel/trace/ftrace.c:7234:20: note: 'ftrace_startup_all' declared here static inline void ftrace_startup_all(int command) { } ^ kernel/trace/ftrace.c:7902:6: error: use of undeclared identifier 'ftrace_start_up' if (ftrace_start_up) { ^ >> kernel/trace/ftrace.c:7903:13: error: use of undeclared identifier 'FTRACE_DISABLE_CALLS' command = FTRACE_DISABLE_CALLS; ^ >> kernel/trace/ftrace.c:7905:15: error: use of undeclared identifier 'FTRACE_STOP_FUNC_RET' command |= FTRACE_STOP_FUNC_RET; ^ >> kernel/trace/ftrace.c:7906:3: error: implicit declaration of function 'ftrace_run_update_code' is invalid in C99 [-Werror,-Wimplicit-function-declaration] ftrace_run_update_code(command); ^ 9 errors generated.
vim +/saved_ftrace_func +7884 kernel/trace/ftrace.c
7874 7875 #ifdef CONFIG_SYSCTL 7876 static void ftrace_startup_sysctl(void) 7877 { 7878 int command; 7879 7880 if (unlikely(ftrace_disabled)) 7881 return; 7882 7883 /* Force update next time */ > 7884 saved_ftrace_func = NULL; 7885 /* ftrace_start_up is true if we want ftrace running */ > 7886 if (ftrace_start_up) { > 7887 command = FTRACE_UPDATE_CALLS; 7888 if (ftrace_graph_active) > 7889 command |= FTRACE_START_FUNC_RET; > 7890 ftrace_startup_enable(command); 7891 } 7892 } 7893 7894 static void ftrace_shutdown_sysctl(void) 7895 { 7896 int command; 7897 7898 if (unlikely(ftrace_disabled)) 7899 return; 7900 7901 /* ftrace_start_up is true if ftrace is running */ 7902 if (ftrace_start_up) { > 7903 command = FTRACE_DISABLE_CALLS; 7904 if (ftrace_graph_active) > 7905 command |= FTRACE_STOP_FUNC_RET; > 7906 ftrace_run_update_code(command); 7907 } 7908 } 7909
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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