linux-kernel - [tip:WIP.irq 24/46] kernel/irq/cpuhotplug.c:62:2: error: implicit declaration of function 'irq_force_complete

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Date:   Mon, 19 Jun 2017 04:14:03 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org, tipbuild@...or.com
Subject: [tip:WIP.irq 24/46] kernel/irq/cpuhotplug.c:62:2: error: implicit
 declaration of function 'irq_force_complete_move'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.irq
head:   26b97bb2e81ea67d3c76378958f31fb3252883c5
commit: e50511ac077b79939ba67215582a38390a825c5a [24/46] x86/irq: Use irq_migrate_all_off_this_cpu()
config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout e50511ac077b79939ba67215582a38390a825c5a
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   kernel/irq/cpuhotplug.c: In function 'migrate_one_irq':
>> kernel/irq/cpuhotplug.c:62:2: error: implicit declaration of function 'irq_force_complete_move' [-Werror=implicit-function-declaration]
     irq_force_complete_move(desc);
     ^~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/irq_force_complete_move +62 kernel/irq/cpuhotplug.c

47d6b5cd Thomas Gleixner 2017-06-17  56  	/*
47d6b5cd Thomas Gleixner 2017-06-17  57  	 * Complete an eventually pending irq move cleanup. If this
47d6b5cd Thomas Gleixner 2017-06-17  58  	 * interrupt was moved in hard irq context, then the vectors need
47d6b5cd Thomas Gleixner 2017-06-17  59  	 * to be cleaned up. It can't wait until this interrupt actually
47d6b5cd Thomas Gleixner 2017-06-17  60  	 * happens and this CPU was involved.
47d6b5cd Thomas Gleixner 2017-06-17  61  	 */
47d6b5cd Thomas Gleixner 2017-06-17 @62  	irq_force_complete_move(desc);
47d6b5cd Thomas Gleixner 2017-06-17  63  
47d6b5cd Thomas Gleixner 2017-06-17  64  	/*
47d6b5cd Thomas Gleixner 2017-06-17  65  	 * If there is a setaffinity pending, then try to reuse the pending

:::::: The code at line 62 was first introduced by commit
:::::: 47d6b5cd072309c06593f7b70f6349b31af11960 genirq/cpuhotplug: Add support for cleaning up move in progress

:::::: TO: Thomas Gleixner <tglx@...utronix.de>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>

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