Hi Daniel, 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/Daniel-Xu/bpf-Remove-duplicate-PTR_TO_BTF_ID-RO-check/20220823-032643 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220823/202208232110.vsR1bsL0-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/496ec6d75c8e8758f93c6b987eee83713c911a05 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Daniel-Xu/bpf-Remove-duplicate-PTR_TO_BTF_ID-RO-check/20220823-032643 git checkout 496ec6d75c8e8758f93c6b987eee83713c911a05 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: net/core/filter.o: in function `tc_cls_act_btf_struct_access': net/core/filter.c:8644: undefined reference to `nf_conntrack_btf_struct_access' ld: net/core/filter.o: in function `xdp_btf_struct_access': >> include/net/net_namespace.h:369: undefined reference to `nf_conntrack_btf_struct_access' pahole: .tmp_vmlinux.btf: Invalid argument .btf.vmlinux.bin.o: file not recognized: file format not recognized vim +369 include/net/net_namespace.h 8f424b5f32d78b Eric Dumazet 2008-11-12 365 0c5c9fb5510633 Eric W. Biederman 2015-03-11 366 static inline struct net *read_pnet(const possible_net_t *pnet) 8f424b5f32d78b Eric Dumazet 2008-11-12 367 { 0c5c9fb5510633 Eric W. Biederman 2015-03-11 368 #ifdef CONFIG_NET_NS 0c5c9fb5510633 Eric W. Biederman 2015-03-11 @369 return pnet->net; 8f424b5f32d78b Eric Dumazet 2008-11-12 370 #else 0c5c9fb5510633 Eric W. Biederman 2015-03-11 371 return &init_net; 8f424b5f32d78b Eric Dumazet 2008-11-12 372 #endif 0c5c9fb5510633 Eric W. Biederman 2015-03-11 373 } 5d1e4468a7705d Denis V. Lunev 2008-04-16 374 -- 0-DAY CI Kernel Test Service https://01.org/lkp
