Hi Vadim, 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/Vadim-Fedorenko/bpf-add-bpf_cpu_cycles_to_ns-helper/20241108-051950 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20241107211206.2814069-2-vadfed%40meta.com patch subject: [PATCH bpf-next v4 2/4] bpf: add bpf_cpu_cycles_to_ns helper config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20241108/202411080952.bCRm4YHx-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241108/202411080952.bCRm4YHx-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/202411080952.bCRm4YHx-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): kernel/bpf/helpers.c:3030:18: warning: extra tokens at end of #ifdef directive 3030 | #ifdef IS_ENABLED(CONFIG_GENERIC_GETTIMEOFDAY) | ^ kernel/bpf/helpers.c: In function 'bpf_get_cpu_cycles': kernel/bpf/helpers.c:3033:16: error: implicit declaration of function '__arch_get_hw_counter' [-Wimplicit-function-declaration] 3033 | return __arch_get_hw_counter(1, NULL); | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf/helpers.c: In function 'bpf_cpu_cycles_to_ns': kernel/bpf/helpers.c:3038:38: error: implicit declaration of function '__arch_get_k_vdso_data' [-Wimplicit-function-declaration] 3038 | const struct vdso_data *vd = __arch_get_k_vdso_data(); | ^~~~~~~~~~~~~~~~~~~~~~ >> kernel/bpf/helpers.c:3038:38: error: initialization of 'const struct vdso_data *' from 'int' makes pointer from integer without a cast [-Wint-conversion] kernel/bpf/helpers.c:3040:42: error: invalid use of undefined type 'const struct vdso_data' 3040 | return mul_u64_u32_shr(cycles, vd->mult, vd->shift); | ^~ kernel/bpf/helpers.c:3040:52: error: invalid use of undefined type 'const struct vdso_data' 3040 | return mul_u64_u32_shr(cycles, vd->mult, vd->shift); | ^~ kernel/bpf/helpers.c: At top level: kernel/bpf/helpers.c:3135:18: warning: extra tokens at end of #ifdef directive 3135 | #ifdef IS_ENABLED(CONFIG_GENERIC_GETTIMEOFDAY) | ^ kernel/bpf/helpers.c: In function 'bpf_cpu_cycles_to_ns': kernel/bpf/helpers.c:3041:1: warning: control reaches end of non-void function [-Wreturn-type] 3041 | } | ^ vim +3038 kernel/bpf/helpers.c 3035 3036 __bpf_kfunc u64 bpf_cpu_cycles_to_ns(u64 cycles) 3037 { > 3038 const struct vdso_data *vd = __arch_get_k_vdso_data(); 3039 3040 return mul_u64_u32_shr(cycles, vd->mult, vd->shift); 3041 } 3042 #endif 3043 __bpf_kfunc_end_defs(); 3044 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
