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Date:   Mon, 21 Feb 2022 03:38:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [intel-tdx:guest-upstream 2/32] ld.lld: error: undefined symbol:
 cc_init

tree:   https://github.com/intel/tdx.git guest-upstream
head:   b87676dfde7b501c019b1e2c01f4c7ef5c83a12c
commit: 7f8e5b1391350249c5f6810ff425db9adbf6d38c [2/32] x86/coco: Add API to handle encryption mask
config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220221/202202210333.fwcQuz3x-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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/7f8e5b1391350249c5f6810ff425db9adbf6d38c
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-upstream
        git checkout 7f8e5b1391350249c5f6810ff425db9adbf6d38c
        # save the config file to linux build tree
        mkdir build_dir
        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 as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: cc_init
   >>> referenced by mshyperv.c:349 (arch/x86/kernel/cpu/mshyperv.c:349)
   >>>               kernel/cpu/mshyperv.o:(ms_hyperv_init_platform) in archive arch/x86/built-in.a

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

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