CC: linux-kernel(a)vger.kernel.org TO: Peter Zijlstra <peterz(a)infradead.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3f667b5d4053ad54aee13dab5c94f04ff75ddfdf commit: db2b0c5d7b6f19b3c2cab08c531b65342eb5252b objtool: Support pv_opsindirect calls for noinstr date: 3 months ago config: x86_64-randconfig-a002-20211219 (https://download.01.org/0day-ci/archive/20211219/202112191243.CFzzXRtq-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c9e31a4814592bbda7153833e46728dc7b21100) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout db2b0c5d7b6f19b3c2cab08c531b65342eb5252b # 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=x86_64 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 warnings (new ones prefixed by >>): vmlinux.o: warning: objtool: do_syscall_64()+0x1a: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: do_int80_syscall_32()+0x28: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: __do_fast_syscall_32()+0x2a: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: vmx_vcpu_enter_exit()+0x72: call to __kasan_check_read() leaves .noinstr.text section vmlinux.o: warning: objtool: vmx_l1d_flush()+0xf: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: sync_regs()+0x24: call to memcpy() leaves .noinstr.text section vmlinux.o: warning: objtool: in_task_stack()+0x10: call to task_stack_page() leaves .noinstr.text section vmlinux.o: warning: objtool: in_entry_stack()+0x14: call to cpu_entry_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: exc_nmi()+0x10b: call to __kasan_check_read() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_setup()+0x13: call to memset() leaves .noinstr.text section vmlinux.o: warning: objtool: do_machine_check()+0x3d: call to mce_gather_info() leaves .noinstr.text section vmlinux.o: warning: objtool: exc_page_fault()+0x38: call to __kasan_check_read() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_nmi_enter()+0x42: call to __kasan_check_read() leaves .noinstr.text section --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org