vmlinux.o: warning: objtool: mce_rdmsrl()+0x3: call to __this_cpu_preempt_check() leaves .noinstr.text section

vmlinux.o: warning: objtool: mce_rdmsrl()+0x3: call to __this_cpu_preempt_check() leaves .noinstr.text section

[kernel test robot]

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CC: linux-kernel(a)vger.kernel.org
TO: Borislav Petkov <bp@suse.de>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3dbdb38e286903ec220aaf1fb29a8d94297da246
commit: e100777016fdf6ec3a9d7c1773b15a2b5eca6c55 x86/mce: Annotate mce_rd/wrmsrl() with noinstr
date:   10 months ago
config: x86_64-buildonly-randconfig-r006-20210702 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9eb613b2de3163686b1a4bd1160f15ac56a4b083)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e100777016fdf6ec3a9d7c1773b15a2b5eca6c55
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e100777016fdf6ec3a9d7c1773b15a2b5eca6c55
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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@intel.com>

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: do_int80_syscall_32()+0x57: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __do_fast_syscall_32()+0x97: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: idtentry_enter_nmi()+0x58: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: idtentry_exit_nmi()+0x97: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __rdgsbase_inactive()+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __wrgsbase_inactive()+0x35: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: sync_regs()+0x2f: call to memcpy() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret()+0x1e: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_debug()+0xd7: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi()+0x16a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: default_do_nmi()+0x10: call to __this_cpu_preempt_check() leaves .noinstr.text section
   vmlinux.o: warning: objtool: poke_int3_handler()+0xa1: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_setup()+0x95: call to cpuid_eax() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: mce_rdmsrl()+0x3: call to __this_cpu_preempt_check() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: mce_wrmsrl()+0x3: call to __this_cpu_preempt_check() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_machine_check()+0xe1: call to mce_gather_info() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_machine_check()+0xa5: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_check_crashing_cpu()+0x15: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: lockdep_hardirqs_on()+0x14e: call to __this_cpu_preempt_check() leaves .noinstr.text section
   vmlinux.o: warning: objtool: lockdep_hardirqs_off()+0x1ad: call to __this_cpu_preempt_check() leaves .noinstr.text section
   vmlinux.o: warning: objtool: lock_is_held_type()+0x77: call to check_flags() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x4f: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0x28d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x50: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x6c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit()+0x3a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: debug_locks_off()+0x2d: call to __kasan_check_write() leaves .noinstr.text section
   ld.lld: error: undefined symbol: stpcpy
   >>> referenced by core.c
   >>>               events/core.o:(events_sysfs_show) in archive arch/x86/built-in.a
   >>> referenced by core.c
   >>>               events/core.o:(events_ht_sysfs_show) in archive arch/x86/built-in.a
   >>> referenced by scsi_transport_sas.c
   >>>               scsi/scsi_transport_sas.o:(show_sas_device_type) in archive drivers/built-in.a
   >>> referenced 3 more times
   >>> did you mean: strcpy
   >>> defined in: lib/lib.a(string.o)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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