[kbuild-all] [intel-tdx:guest 90/110] ld.lld: error: undefined hidden symbol: amd_prot_guest_has

CC: linux-kernel(a)vger.kernel.org TO: Andi Kleen <ak(a)linux.intel.com&gt; CC: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy(a)linux.intel.com&gt; tree: https://github.com/intel/tdx.git guest head: 01c28e41b2a47c89249d60ca47f02024bc782dfd commit: e2ddd8c0d1e5991e89d284c5cd08cbe51dd09494 [90/110] x86/tdx: Make RDRAND/RDSEED loop forever config: x86_64-randconfig-a011-20210810 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 614c7d03877fd99c2de47429b15be3f00306a3bd) 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 # https://github.com/intel/tdx/commit/e2ddd8c0d1e5991e89d284c5cd08cbe51dd09494 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx guest git checkout e2ddd8c0d1e5991e89d284c5cd08cbe51dd09494 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org