[kas:kvm-unmapped-memfd-secret 10/11] ERROR: modpost: "kvm_init_protected_memory" undefined!

[kas:kvm-unmapped-memfd-secret 10/11] ERROR: modpost: "kvm_init_protected_memory" undefined!

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git kvm-unmapped-memfd-secret
head:   ee93fab5627b827e7893a071dc59b26782eb8b28
commit: ed40e0b2ba2a711a06b7ca7c2bee607d74564143 [10/11] KVM: Unmap userspace mapping
config: s390-randconfig-s031-20210108 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-208-g46a52ca4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git/commit/?id=ed40e0b2ba2a711a06b7ca7c2bee607d74564143
        git remote add kas https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git
        git fetch --no-tags kas kvm-unmapped-memfd-secret
        git checkout ed40e0b2ba2a711a06b7ca7c2bee607d74564143
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "kvm_init_protected_memory" [arch/s390/kvm/kvm.ko] undefined!
>> ERROR: modpost: "kvm_exit_protected_memory" [arch/s390/kvm/kvm.ko] undefined!
>> ERROR: modpost: "kvm_unmap_page_atomic" [arch/s390/kvm/kvm.ko] undefined!
>> ERROR: modpost: "kvm_map_page_atomic" [arch/s390/kvm/kvm.ko] undefined!

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SKB_EXTENSIONS
   Depends on NET
   Selected by
   - KCOV && ARCH_HAS_KCOV && (CC_HAS_SANCOV_TRACE_PC || GCC_PLUGINS

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

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