Hi Maxwell, 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/Maxwell-Bland/arm64-cfi-bpf-Support-kCFI-BPF-on-arm64/20240611-021203 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/cwhnmpn5yvg6ma7mvjviy4p7z6gdoba57daeprpc4zcokfhpv2%4044gvdmcfuspt patch subject: [PATCH bpf-next v5 1/3] cfi: add C CFI type macro config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20240611/202406111716.SluzXu9X-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 4403cdbaf01379de96f8d0d6ea4f51a085e37766) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240611/202406111716.SluzXu9X-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/202406111716.SluzXu9X-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/riscv/kernel/cfi.c:85:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] 85 | DEFINE_CFI_TYPE(cfi_bpf_hash, __bpf_prog_runX); | ^ | int >> arch/riscv/kernel/cfi.c:85:17: error: a parameter list without types is only allowed in a function definition 85 | DEFINE_CFI_TYPE(cfi_bpf_hash, __bpf_prog_runX); | ^ arch/riscv/kernel/cfi.c:89:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] 89 | DEFINE_CFI_TYPE(cfi_bpf_subprog_hash, __bpf_callback_fn); | ^ | int arch/riscv/kernel/cfi.c:89:17: error: a parameter list without types is only allowed in a function definition 89 | DEFINE_CFI_TYPE(cfi_bpf_subprog_hash, __bpf_callback_fn); | ^ 4 errors generated. vim +/int +85 arch/riscv/kernel/cfi.c 81 82 /* Must match bpf_func_t / DEFINE_BPF_PROG_RUN() */ 83 extern unsigned int __bpf_prog_runX(const void *ctx, 84 const struct bpf_insn *insn); > 85 DEFINE_CFI_TYPE(cfi_bpf_hash, __bpf_prog_runX); 86 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
