Hi Stanislav, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Stanislav-Fomichev/bpf-cgroup_sock-lsm-flavor/20220406-162419 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: powerpc-buildonly-randconfig-r003-20220406 (https://download.01.org/0day-ci/archive/20220407/202204070201.lzjdBJq0-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/b416dabea64e9ab8418ffb26990f2d303b968f2d git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Stanislav-Fomichev/bpf-cgroup_sock-lsm-flavor/20220406-162419 git checkout b416dabea64e9ab8418ffb26990f2d303b968f2d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): powerpc-linux-ld: kernel/bpf/trampoline.o: in function `bpf_trampoline_compute_key': >> include/linux/bpf_verifier.h:540: undefined reference to `btf_obj_id' >> powerpc-linux-ld: include/linux/bpf_verifier.h:540: undefined reference to `btf_obj_id' vim +540 include/linux/bpf_verifier.h ab3f0063c48c26c Jakub Kicinski 2017-11-03 521 be80a1d3f9dbe5a Daniel Borkmann 2022-01-10 522 int check_ptr_off_reg(struct bpf_verifier_env *env, 51c39bb1d5d105a Alexei Starovoitov 2020-01-09 523 const struct bpf_reg_state *reg, int regno); 25b35dd28138f61 Kumar Kartikeya Dwivedi 2022-03-05 524 int check_func_arg_reg_off(struct bpf_verifier_env *env, 25b35dd28138f61 Kumar Kartikeya Dwivedi 2022-03-05 525 const struct bpf_reg_state *reg, int regno, 24d5bb806c7e2c0 Kumar Kartikeya Dwivedi 2022-03-05 526 enum bpf_arg_type arg_type, 24d5bb806c7e2c0 Kumar Kartikeya Dwivedi 2022-03-05 527 bool is_release_func); d583691c47dc042 Kumar Kartikeya Dwivedi 2022-01-14 528 int check_kfunc_mem_size_reg(struct bpf_verifier_env *env, struct bpf_reg_state *reg, d583691c47dc042 Kumar Kartikeya Dwivedi 2022-01-14 529 u32 regno); e5069b9c23b3857 Dmitrii Banshchikov 2021-02-13 530 int check_mem_reg(struct bpf_verifier_env *env, struct bpf_reg_state *reg, e5069b9c23b3857 Dmitrii Banshchikov 2021-02-13 531 u32 regno, u32 mem_size); 51c39bb1d5d105a Alexei Starovoitov 2020-01-09 532 f7b12b6fea00988 Toke Høiland-Jørgensen 2020-09-25 533 /* this lives here instead of in bpf.h because it needs to dereference tgt_prog */ f7b12b6fea00988 Toke Høiland-Jørgensen 2020-09-25 534 static inline u64 bpf_trampoline_compute_key(const struct bpf_prog *tgt_prog, 22dc4a0f5ed11b6 Andrii Nakryiko 2020-12-03 535 struct btf *btf, u32 btf_id) f7b12b6fea00988 Toke Høiland-Jørgensen 2020-09-25 536 { 22dc4a0f5ed11b6 Andrii Nakryiko 2020-12-03 537 if (tgt_prog) 22dc4a0f5ed11b6 Andrii Nakryiko 2020-12-03 538 return ((u64)tgt_prog->aux->id << 32) | btf_id; 22dc4a0f5ed11b6 Andrii Nakryiko 2020-12-03 539 else 22dc4a0f5ed11b6 Andrii Nakryiko 2020-12-03 @540 return ((u64)btf_obj_id(btf) << 32) | 0x80000000 | btf_id; f7b12b6fea00988 Toke Høiland-Jørgensen 2020-09-25 541 } f7b12b6fea00988 Toke Høiland-Jørgensen 2020-09-25 542 -- 0-DAY CI Kernel Test Service https://01.org/lkp
