Hi Matteo, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Matteo-Croce/bpf-use-kfunc-hooks-instead-of-program-types/20240820-080354 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20240820000245.61787-1-technoboy85%40gmail.com patch subject: [PATCH bpf-next] bpf: use kfunc hooks instead of program types config: arc-randconfig-002-20240820 (https://download.01.org/0day-ci/archive/20240820/202408201433.eqBpp8z9-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240820/202408201433.eqBpp8z9-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/202408201433.eqBpp8z9-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> net/core/filter.c:12084:38: warning: 'bpf_kfunc_set_sock_addr' defined but not used [-Wunused-const-variable=] 12084 | static const struct btf_kfunc_id_set bpf_kfunc_set_sock_addr = { | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/bpf_kfunc_set_sock_addr +12084 net/core/filter.c 05421aecd4ed65 Joanne Koong 2023-03-01 12083 53e380d2144190 Daan De Meyer 2023-10-11 @12084 static const struct btf_kfunc_id_set bpf_kfunc_set_sock_addr = { 53e380d2144190 Daan De Meyer 2023-10-11 12085 .owner = THIS_MODULE, 53e380d2144190 Daan De Meyer 2023-10-11 12086 .set = &bpf_kfunc_check_set_sock_addr, 53e380d2144190 Daan De Meyer 2023-10-11 12087 }; 53e380d2144190 Daan De Meyer 2023-10-11 12088 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
