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Date: Mon, 28 Oct 2019 05:24:51 +0800
From: kbuild test robot <lkp@intel.com>
To: Alastair D'Silva <alastair@au1.ibm.com>
Subject: Re: [PATCH 04/10] powerpc: Map & release OpenCAPI LPC memory
Message-ID: <201910280525.oZQFx3jR%lkp@intel.com>
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CC: kbuild-all@lists.01.org, alastair@d-silva.org, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, Frederic Barrat <fbarrat@linux.ibm.com>, Andrew Donnellan <ajd@linux.ibm.com>, Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Geert Uytterhoeven <geert+renesas@glider.be>, Krzysztof Kozlowski <krzk@kernel.org>, Anton Blanchard <anton@ozlabs.org>, Allison Randal <allison@lohutok.net>, =?iso-8859-1?Q?C=E9dric?= Le Goater <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Vasant Hegde <hegdevasant@linux.vnet.ibm.com>, Thomas Gleixner <tglx@linutronix.de>, Anju T Sudhakar <anju@linux.vnet.ibm.com>, Hari Bathini <hbathini@linux.ibm.com>, Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>, Greg Kurz <groug@kaod.org>, Masahiro Yamada <yamada.masahiro@socionext.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, Andrew Morton <akpm@linux-foundation.org>, David Hildenbrand <david@redhat.com>
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Hi Alastair,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on v5.4-rc5]
[cannot apply to next-20191025]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Alastair-D-Silva/Add-support-for-OpenCAPI-SCM-devices/20191028-043750
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git da80d2e516eb858eb5bcca7fa5f5a13ed86930e4
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/mmzone.h:811:0,
                    from include/linux/gfp.h:6,
                    from include/linux/mm.h:10,
                    from include/linux/pid_namespace.h:7,
                    from include/linux/ptrace.h:10,
                    from include/linux/audit.h:13,
                    from security/commoncap.c:6:
>> include/linux/memory_hotplug.h:342:5: warning: "CONFIG_MEMORY_HOTPLUG_SPARSE" is not defined, evaluates to 0 [-Wundef]
    #if CONFIG_MEMORY_HOTPLUG_SPARSE
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/mmzone.h:811:0,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/memory_hotplug.h:342:5: warning: "CONFIG_MEMORY_HOTPLUG_SPARSE" is not defined, evaluates to 0 [-Wundef]
    #if CONFIG_MEMORY_HOTPLUG_SPARSE
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7 real  4 user  3 sys  112.50% cpu 	make prepare

vim +/CONFIG_MEMORY_HOTPLUG_SPARSE +342 include/linux/memory_hotplug.h

   341	
 > 342	#if CONFIG_MEMORY_HOTPLUG_SPARSE
   343	int check_hotplug_memory_addressable(unsigned long pfn,
   344			unsigned long nr_pages);
   345	#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
   346	

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