linux-kernel - [rcu:dev.2020.12.15b 128/134] ERROR: modpost: "rcu_nocb_cpu

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Message-ID: <202012200104.Q6vxFujD-lkp@intel.com>
Date:   Sun, 20 Dec 2020 01:37:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [rcu:dev.2020.12.15b 128/134] ERROR: modpost:
 "rcu_nocb_cpu_deoffload" undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.12.15b
head:   f895a17eec290b0038a6294d884a9cc92d7d6e80
commit: 892f898ac8cfffe89e3c7fd483c8eaf71b3f12aa [128/134] rcutorture: Test runtime toggling of CPUs' callback offloading
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=892f898ac8cfffe89e3c7fd483c8eaf71b3f12aa
        git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
        git fetch --no-tags rcu dev.2020.12.15b
        git checkout 892f898ac8cfffe89e3c7fd483c8eaf71b3f12aa
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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: "rcu_nocb_cpu_deoffload" [kernel/rcu/rcutorture.ko] undefined!

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

Download attachment ".config.gz" of type "application/gzip" (45666 bytes)