Hi Geliang, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Geliang-Tang/bpf-btf-Add-register_check_missing_btf-helper/20240203-155524 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/f4b147ddaa8fe8c07c7ba77a1d61780bffc49bb6.1706946547.git.tanggeliang%40kylinos.cn patch subject: [PATCH bpf-next v2 1/2] bpf, btf: Add register_check_missing_btf helper config: arm-imxrt_defconfig (https://download.01.org/0day-ci/archive/20240204/202402040934.Fph0XeEo-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7dd790db8b77c4a833c06632e903dc4f13877a64) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402040934.Fph0XeEo-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402040934.Fph0XeEo-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> kernel/bpf/btf.c:7750:11: error: incomplete definition of type 'struct module' 7750 | module->name, msg); | ~~~~~~^ include/linux/printk.h:508:37: note: expanded from macro 'pr_warn' 508 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:455:60: note: expanded from macro 'printk' 455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap' 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:348:8: note: forward declaration of 'struct module' 348 | struct module; | ^ kernel/bpf/btf.c:7753:63: error: incomplete definition of type 'struct module' 7753 | pr_err("missing module %s BTF, cannot register %s\n", module->name, msg); | ~~~~~~^ include/linux/printk.h:498:33: note: expanded from macro 'pr_err' 498 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:455:60: note: expanded from macro 'printk' 455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap' 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:348:8: note: forward declaration of 'struct module' 348 | struct module; | ^ 2 errors generated. vim +7750 kernel/bpf/btf.c 7740 7741 static int register_check_missing_btf(const struct module *module, const char *msg) 7742 { 7743 if (!module && IS_ENABLED(CONFIG_DEBUG_INFO_BTF)) { 7744 pr_err("missing vmlinux BTF, cannot register %s\n", msg); 7745 return -ENOENT; 7746 } 7747 if (module && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES)) { 7748 if (IS_ENABLED(CONFIG_MODULE_ALLOW_BTF_MISMATCH)) { 7749 pr_warn("allow module %s BTF mismatch, skip register %s\n", > 7750 module->name, msg); 7751 return 0; 7752 } 7753 pr_err("missing module %s BTF, cannot register %s\n", module->name, msg); 7754 return -ENOENT; 7755 } 7756 return 0; 7757 } 7758 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
