tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core head: ac7695a93a578befdcf4900a90860bf19e057e1b commit: ac7695a93a578befdcf4900a90860bf19e057e1b [32/32] arm64: support PREEMPT_DYNAMIC config: arm64-randconfig-r025-20220208 (https://download.01.org/0day-ci/archive/20220208/202202082223.QmYxE9Ko-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494) 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://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue sched/core git checkout ac7695a93a578befdcf4900a90860bf19e057e1b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from arch/arm64/kernel/asm-offsets.c:10: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:13: In file included from include/linux/irqdomain.h:35: In file included from include/linux/of.h:17: In file included from include/linux/kobject.h:20: In file included from include/linux/sysfs.h:16: In file included from include/linux/kernfs.h:11: In file included from include/linux/mutex.h:17: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:78: DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched); ^ int DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched); ^ 1 warning and 1 error generated. make[2]: *** [scripts/Makefile.build:121: arch/arm64/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1191: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:219: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +85 arch/arm64/include/asm/preempt.h 84 86 void dynamic_preempt_schedule(void); 87 #define __preempt_schedule() dynamic_preempt_schedule() 88 void dynamic_preempt_schedule_notrace(void); 89 #define __preempt_schedule_notrace() dynamic_preempt_schedule_notrace() 90 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org