[hare-scsi-devel:tls-upcall.v2 37/67] undefined reference to `nvme_keyring_exit'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git tls-upcall.v2
head:   ac729ea3c52bda460616c71d5f5fc47b2e64da6d
commit: 425d51ead0df0006cc5a3e361f294e33de2c1e0c [37/67] nvme: register .nvme keyring
config: microblaze-randconfig-r026-20220223 (https://download.01.org/0day-ci/archive/20220224/202202240718.RNDH1Q2b-lkp@xxxxxxxxx/config)
compiler: microblaze-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/hare/scsi-devel.git/commit/?id=425d51ead0df0006cc5a3e361f294e33de2c1e0c
        git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git
        git fetch --no-tags hare-scsi-devel tls-upcall.v2
        git checkout 425d51ead0df0006cc5a3e361f294e33de2c1e0c
        # 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=microblaze 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 >>):

   microblaze-linux-ld: drivers/nvme/host/core.o: in function `nvme_core_exit':
>> (.exit.text+0x8): undefined reference to `nvme_keyring_exit'
   microblaze-linux-ld: drivers/nvme/host/core.o: in function `nvme_core_init':
>> (.init.text+0x178): undefined reference to `nvme_keyring_init'

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