Hi Pingfan, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/net] [also build test WARNING 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/20250722020319.5837-5-piliu%40redhat.com patch subject: [PATCHv4 04/12] bpf: Introduce decompressor kfunc config: arm-randconfig-004-20250723 (https://download.01.org/0day-ci/archive/20250723/202507230813.M1tmyREU-lkp@xxxxxxxxx/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 853c343b45b3e83cc5eeef5a52fc8cc9d8a09252) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250723/202507230813.M1tmyREU-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/202507230813.M1tmyREU-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux: section mismatch in reference: bpf_decompress+0xbc (section: .text.bpf_decompress) -> decompress_method (section: .init.text) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki