linux-kernel - Re: sched/clock: Fix hotplug issue

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Message-ID: <201701200402.hf99f5NE%fengguang.wu@intel.com>
Date:   Fri, 20 Jan 2017 04:35:14 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...org, Mike Galbraith <efault@....de>,
        LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: sched/clock: Fix hotplug issue

Hi Peter,

[auto build test ERROR on tip/sched/core]
[also build test ERROR on next-20170119]
[cannot apply to tip/x86/core v4.10-rc4]
[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/Peter-Zijlstra/sched-clock-Fix-hotplug-issue/20170120-034727
config: parisc-c3000_defconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
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=parisc 

All errors (new ones prefixed by >>):

   arch/parisc/kernel/setup.c: In function 'setup_arch':
>> arch/parisc/kernel/setup.c:180:2: error: implicit declaration of function 'clear_sched_clock_stable' [-Werror=implicit-function-declaration]
     clear_sched_clock_stable();
     ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/clear_sched_clock_stable +180 arch/parisc/kernel/setup.c

   174	#endif
   175	
   176	#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
   177		conswitchp = &dummy_con;	/* we use do_take_over_console() later ! */
   178	#endif
   179	
 > 180		clear_sched_clock_stable();
   181	}
   182	
   183	/*

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

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