linux-kernel - [cxl:preview 60/60] powerpc-linux-ld: region.c:undefined reference to `nvdimm_pmem_region

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Date:   Thu, 27 Jan 2022 18:15:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ben Widawsky <ben.widawsky@...el.com>
Cc:     kbuild-all@...ts.01.org,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Ben Widawsky <ben.widawsky@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-kernel@...r.kernel.org
Subject: [cxl:preview 60/60] powerpc-linux-ld: region.c:undefined reference
 to `nvdimm_pmem_region_create'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git preview
head:   41c2d219a2c8e14de644f4e953e0c57402c3e884
commit: 41c2d219a2c8e14de644f4e953e0c57402c3e884 [60/60] cxl/region: Create an nd_region
config: powerpc-randconfig-c004-20220124 (https://download.01.org/0day-ci/archive/20220127/202201271800.XzjIrLit-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/commit/?id=41c2d219a2c8e14de644f4e953e0c57402c3e884
        git remote add cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git
        git fetch --no-tags cxl preview
        git checkout 41c2d219a2c8e14de644f4e953e0c57402c3e884
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc 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 >>):

   powerpc-linux-ld: drivers/cxl/region.o: in function `cxl_region_probe':
   region.c:(.text+0xe54): undefined reference to `__umoddi3'
>> powerpc-linux-ld: region.c:(.text+0x11dc): undefined reference to `nvdimm_pmem_region_create'

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