tree: https://github.com/intel/tdx.git tdx/guest-rebased head: e3995864d37c56f431c93fc3dc454d9c65f5e9ea commit: a7d35a3976c3ad98bc3c6522a92f5eb4e3c68fc9 [126/133] x86/tdx-tests: Add a port of a kvm unit test config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220114/202201140556.6bywMkqW-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/tdx/commit/a7d35a3976c3ad98bc3c6522a92f5eb4e3c68fc9 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx tdx/guest-rebased git checkout a7d35a3976c3ad98bc3c6522a92f5eb4e3c68fc9 # 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/kernel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 66 | int __init kvm_unit_test_debug_init(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/kvm_unit_test_debug_init +66 arch/x86/kernel/tdx-tests.c 65 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org