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

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Message-ID: <201612031529.Jv9lXY8U%fengguang.wu@intel.com>
Date:   Sat, 3 Dec 2016 15:18:18 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     kbuild-all@...org, Dan Streetman <ddstreet@...e.org>,
        Yu Zhao <yuzhao@...gle.com>,
        Seth Jennings <sjenning@...hat.com>,
        Linux-MM <linux-mm@...ck.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Avi Kivity <avi@...ranet.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH] hotplug: make register and unregister notifier API
 symmetric

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-s1-201648 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   mm/built-in.o: In function `zs_unregister_cpu_notifier':
>> zsmalloc.c:(.text.unlikely+0xc7e): undefined reference to `__unregister_cpu_notifier'
   arch/x86/oprofile/built-in.o: In function `nmi_timer_shutdown':
   nmi_timer_int.c:(.text+0x1c7d): undefined reference to `__unregister_cpu_notifier'
   arch/x86/oprofile/built-in.o: In function `nmi_shutdown':
   nmi_int.c:(.text+0x2319): undefined reference to `__unregister_cpu_notifier'

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0-DAY kernel test infrastructure                Open Source Technology Center
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