linux-kernel - ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko] undefined!

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Message-ID: <202207161440.FvNE0J51-lkp@intel.com>
Date:   Sat, 16 Jul 2022 14:59:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mahesh Bandewar <maheshb@...gle.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko]
 undefined!

Hi Mahesh,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9b59ec8d50a1f28747ceff9a4f39af5deba9540e
commit: 3753d9779038ab011e01b949253492aaa37bf57a net: fix build without CONFIG_SYSCTL definition
date:   1 year, 10 months ago
config: sh-randconfig-r014-20220716 (https://download.01.org/0day-ci/archive/20220716/202207161440.FvNE0J51-lkp@intel.com/config)
compiler: sh4-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=3753d9779038ab011e01b949253492aaa37bf57a
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 3753d9779038ab011e01b949253492aaa37bf57a
        # 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=sh SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

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

>> ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp