linux-kernel - Re: [RESEND PATCH v5 5/5] x86, acpi, cpu-hotplug: Set persistent cpuid <-> nodeid mapping when booting.

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Date:	Thu, 3 Mar 2016 10:18:11 +0800
From:	Zhu Guihua <zhugh.fnst@...fujitsu.com>
To:	kbuild test robot <lkp@...el.com>
CC:	<kbuild-all@...org>, <cl@...ux.com>, <tj@...nel.org>,
	<mika.j.penttila@...il.com>, <mingo@...hat.com>,
	<akpm@...ux-foundation.org>, <rjw@...ysocki.net>, <hpa@...or.com>,
	<yasu.isimatu@...il.com>, <isimatu.yasuaki@...fujitsu.com>,
	<kamezawa.hiroyu@...fujitsu.com>, <izumi.taku@...fujitsu.com>,
	<gongzhaogang@...pur.com>, <len.brown@...el.com>,
	<lenb@...nel.org>, <tglx@...utronix.de>, <chen.tang@...ystack.cn>,
	<x86@...nel.org>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: [RESEND PATCH v5 5/5] x86, acpi, cpu-hotplug: Set persistent
 cpuid <-> nodeid mapping when booting.


On 03/03/2016 10:11 AM, kbuild test robot wrote:
> Hi Gu,
>
> [auto build test ERROR on tip/x86/core]
> [also build test ERROR on v4.5-rc6 next-20160302]
> [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/Zhu-Guihua/Make-cpuid-nodeid-mapping-persistent/20160303-094713
> config: ia64-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=ia64
>
> All errors (new ones prefixed by >>):
>
>>> arch/ia64/kernel/acpi.c:799:5: error: conflicting types for 'acpi_map_cpu2node'
>      int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
>          ^
>     In file included from arch/ia64/kernel/acpi.c:43:0:
>     include/linux/acpi.h:268:6: note: previous declaration of 'acpi_map_cpu2node' was here
>      void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid);
>           ^
>
> vim +/acpi_map_cpu2node +799 arch/ia64/kernel/acpi.c
>
>     793	}
>     794	
>     795	/*
>     796	 *  ACPI based hotplug CPU support
>     797	 */
>     798	#ifdef CONFIG_ACPI_HOTPLUG_CPU
>   > 799	int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
>     800	{
>     801	#ifdef CONFIG_ACPI_NUMA
>     802		/*
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Thanks for your test. I will investigate this.

Thanks,
Zhu