linux-kernel - [mark:locking/debug-refcount 1/3] ERROR: modpost: "refcount_bad

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Message-ID: <202112182225.KmqljjpD-lkp@intel.com>
Date:   Sat, 18 Dec 2021 22:45:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:locking/debug-refcount 1/3] ERROR: modpost:
 "refcount_bad_magic" [fs/nfs/nfsv4.ko] undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git locking/debug-refcount
head:   fb4984c339109f2ee2dd0000e7744aab91b974f5
commit: 488dd36233a4a0d80f516054ee894688fc8f447f [1/3] WIP: add DEBUG_REFCOUNT
config: x86_64-randconfig-r034-20211218 (https://download.01.org/0day-ci/archive/20211218/202112182225.KmqljjpD-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=488dd36233a4a0d80f516054ee894688fc8f447f
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark locking/debug-refcount
        git checkout 488dd36233a4a0d80f516054ee894688fc8f447f
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 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 >>, old ones prefixed by <<):

>> ERROR: modpost: "refcount_bad_magic" [fs/nfs/nfsv4.ko] undefined!

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