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From: kbuild test robot <lkp@intel.com>
To: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Cc: kbuild-all@01.org, linuxppc-dev@lists.ozlabs.org,
	linux-kernel@vger.kernel.org,
	Michael Ellerman <mpe@ellerman.id.au>,
	linux-mm@kvack.org, Joel Stanley <joel@jms.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Nathan Fontenot <nfont@linux.vnet.ibm.com>,
	Michael Bringmann <mwb@linux.vnet.ibm.com>,
	Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>,
	Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH 5/6] powerpc: Implement DISCONTIGMEM and allow selection on PPC32
Date: Wed, 21 Feb 2018 07:46:28 +0800	[thread overview]
Message-ID: <201802210756.OZokd64C%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180220161424.5421-6-j.neuschaefer@gmx.net>

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Hi Jonathan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.16-rc2 next-20180220]
[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/Jonathan-Neusch-fer/DISCONTIGMEM-support-for-PPC32/20180221-044840
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
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
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   In file included from include/linux/gfp.h:6:0,
                    from include/linux/mm.h:10,
                    from include/linux/mman.h:5,
                    from arch/powerpc/kernel/asm-offsets.c:22:
>> include/linux/mmzone.h:1239:19: error: conflicting types for 'pfn_valid'
    static inline int pfn_valid(unsigned long pfn)
                      ^~~~~~~~~
   In file included from include/linux/mmzone.h:912:0,
                    from include/linux/gfp.h:6,
                    from include/linux/mm.h:10,
                    from include/linux/mman.h:5,
                    from arch/powerpc/kernel/asm-offsets.c:22:
   arch/powerpc/include/asm/mmzone.h:40:19: note: previous definition of 'pfn_valid' was here
    static inline int pfn_valid(int pfn)
                      ^~~~~~~~~
   make[2]: *** [arch/powerpc/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +/pfn_valid +1239 include/linux/mmzone.h

c4e1be9e Dave Hansen    2017-07-06  1237  
7b7bf499 Will Deacon    2011-05-19  1238  #ifndef CONFIG_HAVE_ARCH_PFN_VALID
d41dee36 Andy Whitcroft 2005-06-23 @1239  static inline int pfn_valid(unsigned long pfn)
d41dee36 Andy Whitcroft 2005-06-23  1240  {
d41dee36 Andy Whitcroft 2005-06-23  1241  	if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
d41dee36 Andy Whitcroft 2005-06-23  1242  		return 0;
29751f69 Andy Whitcroft 2005-06-23  1243  	return valid_section(__nr_to_section(pfn_to_section_nr(pfn)));
d41dee36 Andy Whitcroft 2005-06-23  1244  }
7b7bf499 Will Deacon    2011-05-19  1245  #endif
d41dee36 Andy Whitcroft 2005-06-23  1246  

:::::: The code at line 1239 was first introduced by commit
:::::: d41dee369bff3b9dcb6328d4d822926c28cc2594 [PATCH] sparsemem memory model

:::::: TO: Andy Whitcroft <apw@shadowen.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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

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  reply	other threads:[~2018-02-20 23:46 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-20 16:14 [PATCH 0/6] DISCONTIGMEM support for PPC32 Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 1/6] powerpc/mm/32: Use pfn_valid to check if pointer is in RAM Jonathan Neuschäfer
2018-02-20 17:45   ` christophe leroy
2018-02-21 13:51     ` Jonathan Neuschäfer
2018-02-21 14:44       ` Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 2/6] powerpc: numa: Fix overshift on PPC32 Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 3/6] powerpc: numa: Use the right #ifdef guards around functions Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 4/6] powerpc: numa: Restrict fake NUMA enulation to CONFIG_NUMA systems Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 5/6] powerpc: Implement DISCONTIGMEM and allow selection on PPC32 Jonathan Neuschäfer
2018-02-20 23:46   ` kbuild test robot [this message]
2018-02-21 16:08     ` Jonathan Neuschäfer
2018-02-21 17:53       ` christophe leroy
2018-02-20 16:14 ` [PATCH 6/6] powerpc: wii: Don't rely on reserved memory hack if DISCONTIGMEM is set Jonathan Neuschäfer
2018-02-21  7:06 ` [PATCH 0/6] DISCONTIGMEM support for PPC32 Christophe LEROY
2018-02-21 14:42   ` Jonathan Neuschäfer
2018-02-21 15:02     ` Christophe LEROY
2018-02-21 16:52       ` Jonathan Neuschäfer
2018-02-21 23:31       ` Jonathan Neuschäfer

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