[arm64:for-next/misc 13/14] ld.lld: error: undefined symbol: sve_get_vl

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/misc
head:   839157876f97fcc7ead0b62c9377bb50f75a3df9
commit: ef9c5d09797db874a29a97407c3ea3990210432b [13/14] arm64/sve: Remove redundant system_supports_sve() tests
config: arm64-randconfig-r036-20210414 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9829f5e6b1bca9b61efc629770d28bb9014dec45)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?id=ef9c5d09797db874a29a97407c3ea3990210432b
        git remote add arm64 https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
        git fetch --no-tags arm64 for-next/misc
        git checkout ef9c5d09797db874a29a97407c3ea3990210432b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: sve_get_vl
   >>> referenced by fpsimd.c
   >>> kernel/fpsimd.o:(fpsimd_save) in archive arch/arm64/built-in.a
--
>> ld.lld: error: undefined symbol: sve_save_state
   >>> referenced by fpsimd.c
   >>> kernel/fpsimd.o:(fpsimd_save) in archive arch/arm64/built-in.a
--
>> ld.lld: error: undefined symbol: sve_load_state
   >>> referenced by fpsimd.c
   >>> kernel/fpsimd.o:(task_fpsimd_load) in archive arch/arm64/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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