tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
head:   0c3e806ec0f9771fa1f34c60499097d9260a8bb7
commit: b341b20d648bb7e9a3307c33163e7399f0913e66 [6/10] x86: Add prefix symbols for function padding
config: x86_64-rhel-8.3
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b341b20d648bb7e9a3307c33163e7399f0913e66
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip x86/core
        git checkout b341b20d648bb7e9a3307c33163e7399f0913e66
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ tools/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/x86/kvm/kvm.o: warning: objtool: .text+0xa390: unreachable instruction


objdump-func vmlinux.o .text:

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp