[intel-tdx:tdx/guest-rebased 118/133] boot.c:undefined reference to `swiotlb_hint_cpus'

[kernel test robot]

tree:   https://github.com/intel/tdx.git tdx/guest-rebased
head:   e3995864d37c56f431c93fc3dc454d9c65f5e9ea
commit: 8c696e48187c5ffa881e639e1108622debbe6741 [118/133] swiotlb: Split up single swiotlb lock
config: i386-defconfig (https://download.01.org/0day-ci/archive/20220114/202201140759.vUKBZKzB-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/8c696e48187c5ffa881e639e1108622debbe6741
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx tdx/guest-rebased
        git checkout 8c696e48187c5ffa881e639e1108622debbe6741
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   ld: arch/x86/kernel/acpi/boot.o: in function `acpi_boot_init':
>> boot.c:(.init.text+0xcbb): undefined reference to `swiotlb_hint_cpus'

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