linux-kernel - Re: [PATCH 04/10] powerpc: Map & release OpenCAPI LPC memory

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Date:   Mon, 28 Oct 2019 05:59:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Alastair D'Silva <alastair@....ibm.com>
Cc:     kbuild-all@...ts.01.org, alastair@...ilva.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Keith Busch <keith.busch@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Anton Blanchard <anton@...abs.org>,
        Allison Randal <allison@...utok.net>,
        Cédric Le Goater <clg@...d.org>,
        David Gibson <david@...son.dropbear.id.au>,
        Vasant Hegde <hegdevasant@...ux.vnet.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Anju T Sudhakar <anju@...ux.vnet.ibm.com>,
        Hari Bathini <hbathini@...ux.ibm.com>,
        Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>,
        Greg Kurz <groug@...d.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.com>,
        Michal Hocko <mhocko@...e.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Wei Yang <richard.weiyang@...il.com>, Qian Cai <cai@....pw>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-nvdimm@...ts.01.org, linux-mm@...ck.org
Subject: Re: [PATCH 04/10] powerpc: Map & release OpenCAPI LPC memory

Hi Alastair,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[cannot apply to v5.4-rc5 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: mips-allmodconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=mips 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/mmzone.h:811:0,
                    from include/linux/gfp.h:6,
                    from include/linux/xarray.h:14,
                    from include/linux/radix-tree.h:18,
                    from include/linux/idr.h:15,
                    from include/linux/kernfs.h:13,
                    from include/linux/sysfs.h:16,
                    from include/linux/kobject.h:20,
                    from include/linux/of.h:17,
                    from include/linux/clk-provider.h:9,
                    from arch/mips/generic/init.c:8:
>> include/linux/memory_hotplug.h:342:5: error: "CONFIG_MEMORY_HOTPLUG_SPARSE" is not defined, evaluates to 0 [-Werror=undef]
    #if CONFIG_MEMORY_HOTPLUG_SPARSE
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

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	

---
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https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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