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

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Message-ID: <201701200431.Pw4CiBAZ%fengguang.wu@intel.com>
Date:   Fri, 20 Jan 2017 04:37:57 +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: i386-randconfig-x003-201703 (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 >>):

   arch/x86/kernel/cpu/centaur.c: In function 'early_init_centaur':
>> arch/x86/kernel/cpu/centaur.c:108:2: 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 +108 arch/x86/kernel/cpu/centaur.c

   102			break;
   103		}
   104	#ifdef CONFIG_X86_64
   105		set_cpu_cap(c, X86_FEATURE_SYSENTER32);
   106	#endif
   107	
 > 108		clear_sched_clock_stable();
   109	}
   110	
   111	static void init_centaur(struct cpuinfo_x86 *c)

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

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