linux-kernel - Re: [PATCH] clocksource: Allow unregistering the watchdog

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Date:	Sat, 23 Jan 2016 01:15:04 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dexuan Cui <decui@...rosoft.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>
Subject: Re: [PATCH] clocksource: Allow unregistering the watchdog

Hi Vitaly,

[auto build test ERROR on tip/timers/core]
[also build test ERROR on v4.4 next-20160122]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Vitaly-Kuznetsov/clocksource-Allow-unregistering-the-watchdog/20160123-010529
config: xtensa-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   kernel/time/clocksource.c: In function '__clocksource_register_scale':
>> kernel/time/clocksource.c:769:2: error: implicit declaration of function 'clocksource_select_watchdog' [-Werror=implicit-function-declaration]
     clocksource_select_watchdog(false);
     ^
   cc1: some warnings being treated as errors

vim +/clocksource_select_watchdog +769 kernel/time/clocksource.c

   763	
   764		/* Add clocksource to the clocksource list */
   765		mutex_lock(&clocksource_mutex);
   766		clocksource_enqueue(cs);
   767		clocksource_enqueue_watchdog(cs);
   768		clocksource_select();
 > 769		clocksource_select_watchdog(false);
   770		mutex_unlock(&clocksource_mutex);
   771		return 0;
   772	}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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