Hi Tao, 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/Tao-Chen/bpf-Add-BPF_CALL_FUNC-to-simplify-code/20240920-233936 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20240920153706.919154-1-chen.dylane%40gmail.com patch subject: [PATCH bpf-next 2/2] bpf: Add BPF_CALL_FUNC* to simplify code config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240921/202409210926.ErxhBmi5-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240921/202409210926.ErxhBmi5-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/202409210926.ErxhBmi5-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from kernel/bpf/core.c:21: kernel/bpf/core.c: In function '___bpf_prog_run': >> include/linux/filter.h:464:38: error: called object is not a function or function pointer 464 | #define BPF_CALL_FUNC(x) ((x) + (u8 *)__bpf_call_base) | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf/core.c:2010:26: note: in expansion of macro 'BPF_CALL_FUNC' 2010 | BPF_R0 = BPF_CALL_FUNC(insn->imm)(BPF_R1, BPF_R2, BPF_R3, | ^~~~~~~~~~~~~ include/linux/filter.h:466:38: error: called object is not a function or function pointer 466 | #define BPF_CALL_FUNC_ARGS(x) ((x) + (u8 *)__bpf_call_base_args) | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf/core.c:2015:26: note: in expansion of macro 'BPF_CALL_FUNC_ARGS' 2015 | BPF_R0 = BPF_CALL_FUNC_ARGS(insn->imm)(BPF_R1, BPF_R2, | ^~~~~~~~~~~~~~~~~~ vim +464 include/linux/filter.h 463 > 464 #define BPF_CALL_FUNC(x) ((x) + (u8 *)__bpf_call_base) 465 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki