Hi Pingfan, kernel test robot noticed the following build errors:
[auto build test ERROR on bpf-next/net] [also build test ERROR on bpf/master arm64/for-next/core v6.15] [cannot apply to bpf-next/master linus/master next-20250529] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Pingfan-Liu/kexec_file-Make-kexec_image_load_default-global-visible/20250529-122124 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net patch link: https://lore.kernel.org/r/20250529041744.16458-10-piliu%40redhat.com patch subject: [PATCHv3 9/9] arm64/kexec: Add PE image format support config: arm64-randconfig-004-20250529 (https://download.01.org/0day-ci/archive/20250529/202505292305.zhtx5std-...@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250529/202505292305.zhtx5std-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505292305.zhtx5std-...@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/kexec_bpf/kexec_pe_parser_bpf.lskel.h:6, from kernel/kexec_pe_image.c:25: tools/lib/bpf/skel_internal.h: In function 'skel_finalize_map_data': tools/lib/bpf/skel_internal.h:155:15: error: implicit declaration of function 'bpf_map_get'; did you mean 'bpf_map_put'? [-Werror=implicit-function-declaration] 155 | map = bpf_map_get(fd); | ^~~~~~~~~~~ | bpf_map_put tools/lib/bpf/skel_internal.h:155:13: warning: assignment to 'struct bpf_map *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 155 | map = bpf_map_get(fd); | ^ kernel/kexec_pe_image.c: In function 'kexec_bpf_prog_run_init': >> kernel/kexec_pe_image.c:283:16: error: implicit declaration of function >> 'register_btf_fmodret_id_set'; did you mean 'register_btf_kfunc_id_set'? >> [-Werror=implicit-function-declaration] 283 | return register_btf_fmodret_id_set(&kexec_modify_return_set); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ | register_btf_kfunc_id_set kernel/kexec_pe_image.c: In function 'pe_image_load': kernel/kexec_pe_image.c:325:44: warning: variable 'cmdline_sz' set but not used [-Wunused-but-set-variable] 325 | unsigned long linux_sz, initrd_sz, cmdline_sz, bpf_sz; | ^~~~~~~~~~ cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for KEXEC_PE_IMAGE Depends on [n]: KEXEC_FILE [=y] && DEBUG_INFO_BTF [=n] && BPF_SYSCALL [=n] Selected by [y]: - ARCH_SELECTS_KEXEC_FILE [=y] && KEXEC_FILE [=y] vim +283 kernel/kexec_pe_image.c 536de0ba3b982c Pingfan Liu 2025-05-29 280 536de0ba3b982c Pingfan Liu 2025-05-29 281 static int __init kexec_bpf_prog_run_init(void) 536de0ba3b982c Pingfan Liu 2025-05-29 282 { 536de0ba3b982c Pingfan Liu 2025-05-29 @283 return register_btf_fmodret_id_set(&kexec_modify_return_set); 536de0ba3b982c Pingfan Liu 2025-05-29 284 } 536de0ba3b982c Pingfan Liu 2025-05-29 285 late_initcall(kexec_bpf_prog_run_init); 536de0ba3b982c Pingfan Liu 2025-05-29 286 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
