[sashal-stable:pending-5.4 151/211] arch/x86/kernel/cpu/mce/core.o: warning: objtool: mce_timed_out()+0x63: unreachable instruction

[sashal-stable:pending-5.4 151/211] arch/x86/kernel/cpu/mce/core.o: warning: objtool: mce_timed_out()+0x63: unreachable instruction

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git pending-5.4
head:   4dd560ad547135a0061e77f42acb9cfa6876ec11
commit: 7388e7dad717d84992e0d8b47cbae0afef64ca61 [151/211] x86/mce: Mark mce_panic() noinstr
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20220125/202201251523.C2RRDVhY-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/commit/?id=7388e7dad717d84992e0d8b47cbae0afef64ca61
        git remote add sashal-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
        git fetch --no-tags sashal-stable pending-5.4
        git checkout 7388e7dad717d84992e0d8b47cbae0afef64ca61
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/

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 >>):

>> arch/x86/kernel/cpu/mce/core.o: warning: objtool: mce_timed_out()+0x63: unreachable instruction

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