Hi Aditi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Aditi-Ghag/bpf-tcp-Avoid-taking-fast-sock-lock-in-iterator/20230330-232137 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20230330151758.531170-4-aditi.ghag%40isovalent.com patch subject: [PATCH v5 bpf-next 3/7] udp: seq_file: Helper function to match socket attributes config: i386-randconfig-a006 (https://download.01.org/0day-ci/archive/20230331/202303311022.2GVz6yAt-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/66cc617bebf6cb3d2162587d6e248d86bc59c1c2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Aditi-Ghag/bpf-tcp-Avoid-taking-fast-sock-lock-in-iterator/20230330-232137 git checkout 66cc617bebf6cb3d2162587d6e248d86bc59c1c2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/ipv4/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303311022.2GVz6yAt-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> net/ipv4/udp.c:2986:20: warning: function 'seq_sk_match' has internal linkage but is not defined [-Wundefined-internal] static inline bool seq_sk_match(struct seq_file *seq, const struct sock *sk); ^ net/ipv4/udp.c:3015:8: note: used here if (seq_sk_match(seq, sk)) ^ 1 warning generated. vim +/seq_sk_match +2986 net/ipv4/udp.c 2985 > 2986 static inline bool seq_sk_match(struct seq_file *seq, const struct sock *sk); 2987 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
