[trondmy-nfs-2.6:testing 42/44] ld.lld: error: undefined symbol: xxh32

[trondmy-nfs-2.6:testing 42/44] ld.lld: error: undefined symbol: xxh32

[kernel test robot]

tree:   git://git.linux-nfs.org/projects/trondmy/nfs-2.6.git testing
head:   3882cc488a3048791d7f06393d3e7c55ba3eda6f
commit: 5d2f1b8a2961967f7712baaea33b6e83daf732f8 [42/44] NFS: Convert readdir page cache to use a cookie based index
config: arm-pcm027_defconfig (https://download.01.org/0day-ci/archive/20220224/202202241119.1ZzPPbnV-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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        git remote add trondmy-nfs-2.6 git://git.linux-nfs.org/projects/trondmy/nfs-2.6.git
        git fetch --no-tags trondmy-nfs-2.6 testing
        git checkout 5d2f1b8a2961967f7712baaea33b6e83daf732f8
        # 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=arm SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: xxh32
   >>> referenced by dir.c
   >>>               nfs/dir.o:(nfs_readdir_page_get_locked) in archive fs/built-in.a

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