tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2c6433e9294b6d0f4d8f08c3c70a3eac434d3ec8 commit: b1ec22f8dc85bb0b2e82a528a7ebca377f46d4cb [766/2428] dyndbg: use the module notifier callbacks config: arm-randconfig-r013-20230308 (https://download.01.org/0day-ci/archive/20230309/202303091548.VqmH7I6Q-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-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/next/linux-next.git/commit/?id=b1ec22f8dc85bb0b2e82a528a7ebca377f46d4cb git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout b1ec22f8dc85bb0b2e82a528a7ebca377f46d4cb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303091548.VqmH7I6Q-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/module.h:30, from arch/arm/boot/compressed/../../../../lib/lz4/lz4_decompress.c:39, from arch/arm/boot/compressed/../../../../lib/decompress_unlz4.c:10, from arch/arm/boot/compressed/decompress.c:59: include/linux/dynamic_debug.h: In function 'ddebug_dyndbg_module_param_cb': >> include/linux/dynamic_debug.h:307:14: error: implicit declaration of function 'strcmp' [-Werror=implicit-function-declaration] 307 | if (!strcmp(param, "dyndbg")) { | ^~~~~~ include/linux/dynamic_debug.h:1:1: note: 'strcmp' is defined in header '<string.h>'; did you forget to '#include <string.h>'? +++ |+#include <string.h> 1 | /* SPDX-License-Identifier: GPL-2.0 */ arch/arm/boot/compressed/decompress.c: At top level: arch/arm/boot/compressed/decompress.c:62:5: warning: no previous prototype for 'do_decompress' [-Wmissing-prototypes] 62 | int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)) | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/strcmp +307 include/linux/dynamic_debug.h b48420c1d3019c Jim Cromie 2012-04-27 303 b48420c1d3019c Jim Cromie 2012-04-27 304 static inline int ddebug_dyndbg_module_param_cb(char *param, char *val, b48420c1d3019c Jim Cromie 2012-04-27 305 const char *modname) b48420c1d3019c Jim Cromie 2012-04-27 306 { 85d6b66d31c351 Jim Cromie 2022-09-04 @307 if (!strcmp(param, "dyndbg")) { 516cf1be07cf3a Jim Cromie 2012-05-01 308 /* avoid pr_warn(), which wants pr_fmt() fully defined */ 516cf1be07cf3a Jim Cromie 2012-05-01 309 printk(KERN_WARNING "dyndbg param is supported only in " b48420c1d3019c Jim Cromie 2012-04-27 310 "CONFIG_DYNAMIC_DEBUG builds\n"); b48420c1d3019c Jim Cromie 2012-04-27 311 return 0; /* allow and ignore */ b48420c1d3019c Jim Cromie 2012-04-27 312 } b48420c1d3019c Jim Cromie 2012-04-27 313 return -EINVAL; b48420c1d3019c Jim Cromie 2012-04-27 314 } b48420c1d3019c Jim Cromie 2012-04-27 315 :::::: The code at line 307 was first introduced by commit :::::: 85d6b66d31c35158364058ee98fb69ab5bb6a6b1 dyndbg: fix module.dyndbg handling :::::: TO: Jim Cromie <jim.cromie@xxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
