linux-kernel - [tip:smp/urgent 6/7] kernel/cpu.c:97:41: error: 'struct cpuhp_cpu_state' has no member named 'done

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Date:   Mon, 25 Sep 2017 23:00:41 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        tipbuild@...or.com, Thomas Gleixner <tglx@...utronix.de>
Subject: [tip:smp/urgent 6/7] kernel/cpu.c:97:41: error: 'struct
 cpuhp_cpu_state' has no member named 'done_up'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git smp/urgent
head:   1c3b5f4491eff2539cf1162af54f395c2867448c
commit: ec1ce55647dc1a9c66c34a4854623d5438d2ed2c [6/7] smp/hotplug: Differentiate the AP completion between up and down
config: i386-randconfig-x015-09250401 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout ec1ce55647dc1a9c66c34a4854623d5438d2ed2c
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   kernel/cpu.c: In function 'wait_for_ap_thread':
>> kernel/cpu.c:97:41: error: 'struct cpuhp_cpu_state' has no member named 'done_up'
     struct completion *done = bringup ? &st->done_up : &st->done_down;
                                            ^~
>> kernel/cpu.c:97:56: error: 'struct cpuhp_cpu_state' has no member named 'done_down'
     struct completion *done = bringup ? &st->done_up : &st->done_down;
                                                           ^~
   kernel/cpu.c: In function 'complete_ap_thread':
   kernel/cpu.c:103:41: error: 'struct cpuhp_cpu_state' has no member named 'done_up'
     struct completion *done = bringup ? &st->done_up : &st->done_down;
                                            ^~
   kernel/cpu.c:103:56: error: 'struct cpuhp_cpu_state' has no member named 'done_down'
     struct completion *done = bringup ? &st->done_up : &st->done_down;
                                                           ^~
   At top level:
   kernel/cpu.c:150:13: warning: 'cpuhp_is_atomic_state' defined but not used [-Wunused-function]
    static bool cpuhp_is_atomic_state(enum cpuhp_state state)
                ^~~~~~~~~~~~~~~~~~~~~

vim +97 kernel/cpu.c

    94	
    95	static inline void wait_for_ap_thread(struct cpuhp_cpu_state *st, bool bringup)
    96	{
  > 97		struct completion *done = bringup ? &st->done_up : &st->done_down;
    98		wait_for_completion(done);
    99	}
   100	

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