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_get_cpu_cycles-kfunc/20241117-002106 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20241115194841.2108634-2-vadfed%40meta.com patch subject: [PATCH bpf-next v6 1/4] bpf: add bpf_get_cpu_cycles kfunc config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241117/202411171347.9Yb9hhnX-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171347.9Yb9hhnX-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/202411171347.9Yb9hhnX-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined hidden symbol: pvclock_page >>> referenced by pvclock.h:25 (arch/x86/include/asm/pvclock.h:25) >>> vmlinux.o:(vread_pvclock) >>> referenced by gettimeofday.h:228 (arch/x86/include/asm/vdso/gettimeofday.h:228) >>> vmlinux.o:(vread_pvclock) >>> referenced by pvclock.h:86 (arch/x86/include/asm/pvclock.h:86) >>> vmlinux.o:(vread_pvclock) >>> referenced 4 more times -- >> ld.lld: error: undefined hidden symbol: hvclock_page >>> referenced by hyperv_timer.h:65 (include/clocksource/hyperv_timer.h:65) >>> vmlinux.o:(vread_hvclock) >>> referenced by hyperv_timer.h:74 (include/clocksource/hyperv_timer.h:74) >>> vmlinux.o:(vread_hvclock) >>> referenced by hyperv_timer.h:75 (include/clocksource/hyperv_timer.h:75) >>> vmlinux.o:(vread_hvclock) >>> referenced 1 more times -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
