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 linus/master v6.16-rc7] [cannot apply to bpf-next/master next-20250722] [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/20250722-100843 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net patch link: https://lore.kernel.org/r/20250722020319.5837-9-piliu%40redhat.com patch subject: [PATCHv4 08/12] kexec: Factor out routine to find a symbol in ELF config: x86_64-buildonly-randconfig-006-20250722 (https://download.01.org/0day-ci/archive/20250723/202507230016.NQ1WXqwG-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250723/202507230016.NQ1WXqwG-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/202507230016.NQ1WXqwG-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/crash_dump.h:5, from drivers/of/fdt.c:11: >> include/linux/kexec.h:544:7: error: unknown type name 'Elf_Sym' 544 | const Elf_Sym *elf_find_symbol(const Elf_Ehdr *ehdr, const char *name); | ^~~~~~~ >> include/linux/kexec.h:544:38: error: unknown type name 'Elf_Ehdr' 544 | const Elf_Sym *elf_find_symbol(const Elf_Ehdr *ehdr, const char *name); | ^~~~~~~~ vim +/Elf_Sym +544 include/linux/kexec.h 542 543 #if defined(CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY) || defined(CONFIG_KEXEC_PE_IMAGE) > 544 const Elf_Sym *elf_find_symbol(const Elf_Ehdr *ehdr, const char *name); 545 #endif 546 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
