[rcu:peterz.2019.05.09a 2/5] ERROR: "tracing_stop" [kernel/rcu/rcutorture.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git peterz.2019.05.09a
head:   9aaf2ab4ea3d421a1efa413020bbd5c30ecb5f86
commit: 88437e0ce11d4b74d9606e2c587cdebbdfb41cf3 [2/5] EXP rcutorture: Test setup for sched_setaffinity()
config: x86_64-lkp (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 88437e0ce11d4b74d9606e2c587cdebbdfb41cf3
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> ERROR: "tracing_stop" [kernel/rcu/rcutorture.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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