[kbuild-all] [tip:objtool/core 25/26] vmlinux.o: warning: objtool: fixup_bad_iret()+0x22: call to __this_cpu_preempt_check() leaves .noinstr.text section

CC: linux-kernel(a)vger.kernel.org CC: x86(a)kernel.org TO: Peter Zijlstra <peterz(a)infradead.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool/core head: b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c commit: db2b0c5d7b6f19b3c2cab08c531b65342eb5252b [25/26] objtool: Support pv_opsindirect calls for noinstr config: x86_64-randconfig-r004-20211013 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a8c695542b2987eb9a203d5663a0740cb4725f) 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/tip/tip.git/commit/?id=db... git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip objtool/core git checkout db2b0c5d7b6f19b3c2cab08c531b65342eb5252b # save the attached .config 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()+0x18: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: do_int80_syscall_32()+0x23: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: do_fast_syscall_32()+0x1d: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: __do_fast_syscall_32()+0x29: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: in_task_stack()+0x17: call to task_stack_page() leaves .noinstr.text section vmlinux.o: warning: objtool: exc_nmi()+0xc: call to sev_es_nmi_complete() leaves .noinstr.text section vmlinux.o: warning: objtool: debug_lockdep_rcu_enabled()+0x26: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_dynticks_inc()+0x27: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_nmi_exit()+0x16f: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_dynticks_eqs_enter()+0x4: call to rcu_dynticks_task_trace_enter() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_nmi_enter()+0x34: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit()+0x12: call to rcu_dynticks_task_trace_exit() leaves .noinstr.text section vmlinux.o: warning: objtool: enter_from_user_mode()+0x19: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x22: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x19: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: exit_to_user_mode()+0x13: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0x1c6: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x19: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x1a: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter()+0x16: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_exit()+0x3e: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_nmi_enter()+0x1d: call to __tsan_atomic64_fetch_add() leaves .noinstr.text section --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org