[dcui-tdx:decui/mainline/v6-dda 7/13] ld.lld: error: undefined symbol: __tdx_hypercall_ret

[dcui-tdx:decui/mainline/v6-dda 7/13] ld.lld: error: undefined symbol: __tdx_hypercall_ret

[kernel test robot]

tree:   https://github.com/dcui/tdx decui/mainline/v6-dda
head:   cef8eab38588585b3c876df8d1ccf5831a6bf54f
commit: 1c59d1571537c077052140d61589c8851b3e4fd2 [7/13] x86/hyperv: Support hypercalls for TDX guests
config: x86_64-randconfig-a001-20230508 (https://download.01.org/0day-ci/archive/20230510/202305100728.XrMlaAIY-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/dcui/tdx/commit/1c59d1571537c077052140d61589c8851b3e4fd2
        git remote add dcui-tdx https://github.com/dcui/tdx
        git fetch --no-tags dcui-tdx decui/mainline/v6-dda
        git checkout 1c59d1571537c077052140d61589c8851b3e4fd2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305100728.XrMlaAIY-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __tdx_hypercall_ret
   >>> referenced by ivm.c:427 (arch/x86/hyperv/ivm.c:427)
   >>>               arch/x86/hyperv/ivm.o:(hv_tdx_hypercall) in archive vmlinux.a

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