tree: https://github.com/zen-kernel/zen-kernel 5.12/muqss head: a80522ac87ce290e80c283fa17988a4a0e57fd04 commit: 17886fe82995e8dbfe595e1d5de8717f3ffc73ed [9/16] Make hrtimer granularity and minimum hrtimeout configurable in sysctl. Set default granularity to 100us and min timeout to 500us. config: arm64-buildonly-randconfig-r004-20210711 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/zen-kernel/zen-kernel/commit/17886fe82995e8dbfe595e1d5... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.12/muqss git checkout 17886fe82995e8dbfe595e1d5de8717f3ffc73ed # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): aarch64-linux-gnu-ld: Unexpected GOT/PLT entries detected! aarch64-linux-gnu-ld: Unexpected run-time procedure linkages detected! aarch64-linux-gnu-ld: kernel/time/hrtimer.o: in function `schedule_usec_hrtimeout': aarch64-linux-gnu-ld: kernel/time/hrtimer.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `hrtimer_granularity_us' which may bind externally can not be used when making a shared object; recompile with -fPIC hrtimer.c:(.text+0x38ec): dangerous relocation: unsupported relocation aarch64-linux-gnu-ld: kernel/seccomp.o: in function `seccomp_run_filters': seccomp.c:(.text+0x1e94): undefined reference to `__cant_migrate' aarch64-linux-gnu-ld: kernel/bpf/bpf_iter.o: in function `bpf_iter_run_prog': bpf_iter.c:(.text+0x1650): undefined reference to `__cant_migrate' aarch64-linux-gnu-ld: kernel/bpf/devmap.o: in function `dev_map_run_prog': devmap.c:(.text+0x8f8): undefined reference to `__cant_migrate' aarch64-linux-gnu-ld: kernel/bpf/cpumap.o: in function `cpu_map_bpf_prog_run_xdp': cpumap.c:(.text+0x2354): undefined reference to `__cant_migrate' aarch64-linux-gnu-ld: kernel/events/core.o: in function `bpf_overflow_handler': core.c:(.text+0x192f8): undefined reference to `__cant_migrate' aarch64-linux-gnu-ld: net/core/flow_dissector.o:flow_dissector.c:(.text+0xa5c): more undefined references to `__cant_migrate' follow --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org