[tip:smp/hotplug 8/8] ERROR: "__cpuhp_state_remove_instance" [drivers/net/virtio_net.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git smp/hotplug
head:   6dc465457fac9a49462bebbb870beea5d536b7c2
commit: 6dc465457fac9a49462bebbb870beea5d536b7c2 [8/8] net/virtio-net: Convert to hotplug state machine
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        git checkout 6dc465457fac9a49462bebbb870beea5d536b7c2
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> ERROR: "__cpuhp_state_remove_instance" [drivers/net/virtio_net.ko] undefined!
>> ERROR: "__cpuhp_state_add_instance" [drivers/net/virtio_net.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
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