Re: [PATCH] hotplug: make register and unregister notifier API symmetric

[kbuild test robot]

Hi Michal,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9-rc7 next-20161202]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Michal-Hocko/hotplug-make-register-and-unregister-notifier-API-symmetric/20161203-114815
config: i386-randconfig-r0-201648 (attached as .config)
compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   arch/x86/oprofile/built-in.o: In function `nmi_timer_shutdown':
>> nmi_timer_int.c:(.text+0x238b): undefined reference to `__unregister_cpu_notifier'
   arch/x86/oprofile/built-in.o: In function `nmi_shutdown':
   nmi_int.c:(.text+0x2793): undefined reference to `__unregister_cpu_notifier'

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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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