[intel-tdx:guest-hardening-rebased 19/23] arch/x86/coco/tdx/tdx-tests.c:66:12: sparse: sparse: symbol 'kvm_unit_test_debug_init' was not declared. Should it be static?

[intel-tdx:guest-hardening-rebased 19/23] arch/x86/coco/tdx/tdx-tests.c:66:12: sparse: sparse: symbol 'kvm_unit_test_debug_init' was not declared. Should it be static?

[kernel test robot]

tree:   https://github.com/intel/tdx.git guest-hardening-rebased
head:   c170462888e1dab8e3e80c1c6e3708dd473ad1ed
commit: bb5af2b7a84ef8343b56bd2c1c90461635b32bd2 [19/23] x86/tdx-tests: Add a port of a kvm unit test
config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220806/202208061952.z7f1PgpF-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel/tdx/commit/bb5af2b7a84ef8343b56bd2c1c90461635b32bd2
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-hardening-rebased
        git checkout bb5af2b7a84ef8343b56bd2c1c90461635b32bd2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/coco/tdx/

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

sparse warnings: (new ones prefixed by >>)
>> arch/x86/coco/tdx/tdx-tests.c:66:12: sparse: sparse: symbol 'kvm_unit_test_debug_init' was not declared. Should it be static?

vim +/kvm_unit_test_debug_init +66 arch/x86/coco/tdx/tdx-tests.c

    65	
  > 66	int __init kvm_unit_test_debug_init(void)

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