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

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Message-ID: <201910280525.oZQFx3jR%lkp@intel.com>
Date:   Mon, 28 Oct 2019 05:24:51 +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! 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@...el.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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