vmlinux.o: warning: objtool: do_machine_check()+0x8fd: call to task_work_add() leaves .noinstr.text section

vmlinux.o: warning: objtool: do_machine_check()+0x8fd: call to task_work_add() leaves .noinstr.text section

[kernel test robot]

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CC: linux-kernel(a)vger.kernel.org
TO: Gabriele Paoloni <gabriele.paoloni@intel.com>
CC: Borislav Petkov <bp@suse.de>
CC: Tony Luck <tony.luck@intel.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   62fb9874f5da54fdb243003b386128037319b219
commit: 3a866b16fd2360a9c4ebf71cfbf7ebfe968c1409 x86/mce: Panic for LMCE only if mca_cfg.tolerant < 3
date:   7 months ago
config: x86_64-buildonly-randconfig-r004-20210628 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 4c92e31dd0f1bd152eda883af20ff7fbcaa14945)
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=3a866b16fd2360a9c4ebf71cfbf7ebfe968c1409
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 3a866b16fd2360a9c4ebf71cfbf7ebfe968c1409
        # 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: fixup_bad_iret()+0x36: call to memset() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: do_machine_check()+0x8fd: call to task_work_add() leaves .noinstr.text section
   vmlinux.o: warning: objtool: safe_stack_exc_vmm_communication()+0x3f: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: lock_is_held_type()+0x73: call to check_flags() leaves .noinstr.text section
   kallsyms failure: relative symbol value 0xffffffff051f3000 out of range in relative mode

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

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