[rcu:dev 117/117] ERROR: ".rcu_note_context_switch" [arch/powerpc/kvm/kvm.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
head:   673d4e1483611783d502fe63317483b294f1bba0
commit: 673d4e1483611783d502fe63317483b294f1bba0 [117/117] rcu: Define RCU-sched API in terms of RCU for Tree RCU PREEMPT builds
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 673d4e1483611783d502fe63317483b294f1bba0
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

>> ERROR: ".rcu_note_context_switch" [arch/powerpc/kvm/kvm.ko] undefined!
>> ERROR: ".rcu_note_context_switch" [arch/powerpc/kvm/kvm-hv.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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