undefined reference to `ftrace_likely_update'

[kernel test robot]

Hi Kees,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   de4664485abbc0529b1eec44d0061bbfe58a28fb
commit: 54d9469bc515dc5fcbc20eecbe19cea868b70d68 fortify: Add run-time WARN for cross-field memcpy()
date:   7 months ago
config: s390-buildonly-randconfig-r001-20230413 (https://download.01.org/0day-ci/archive/20230413/202304131400.BLPkK6sC-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54d9469bc515dc5fcbc20eecbe19cea868b70d68
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 54d9469bc515dc5fcbc20eecbe19cea868b70d68
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202304131400.BLPkK6sC-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   s390x-linux-ld: arch/s390/purgatory/purgatory: in function `sha256_update':
>> (.text+0x23f2): undefined reference to `ftrace_likely_update'
>> s390x-linux-ld: (.text+0x2aa8): undefined reference to `ftrace_likely_update'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests