linux-kernel - ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined!

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Date:   Wed, 1 Mar 2023 07:22:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yonghong Song <yhs@...com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>
Subject: ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko]
 undefined!

Hi Yonghong,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e492250d5252635b6c97d52eddf2792ec26f1ec1
commit: dffbbdc2d9889670c30e07d05fc0dd712e8ad430 libbpf: Add enum64 parsing and new enum64 public API
date:   9 months ago
config: s390-randconfig-r021-20230227 (https://download.01.org/0day-ci/archive/20230301/202303010701.KWYce0Mt-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.1.0
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/torvalds/linux.git/commit/?id=dffbbdc2d9889670c30e07d05fc0dd712e8ad430
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout dffbbdc2d9889670c30e07d05fc0dd712e8ad430
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303010701.KWYce0Mt-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
>> ERROR: modpost: "ioremap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
ERROR: modpost: "ioremap" [drivers/net/arcnet/com90xx.ko] undefined!
ERROR: modpost: "iounmap" [drivers/net/arcnet/com90xx.ko] undefined!
>> ERROR: modpost: "iounmap" [drivers/pcmcia/pcmcia.ko] undefined!
>> ERROR: modpost: "ioremap" [drivers/pcmcia/pcmcia.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests