[feng:linux-mm 452/660] arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'

* [feng:linux-mm 452/660] arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'
@ 2020-06-02 12:33 ` kbuild test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kbuild test robot @ 2020-06-02 12:33 UTC (permalink / raw)
  To: Andrew, Morton,; +Cc: kbuild-all, Johannes Weiner, Linux Memory Management List

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Hi Andrew,

It's probably a bug fix that unveils the link errors.

tree:   feng/linux-mm
head:   650a37b8fc9316c2e910099058345db7591708f9
commit: c15130ebef2f485bf34b42d78b7a6f4aad621bd3 [452/660] linux-next-rejects
config: powerpc64-randconfig-r012-20200602 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c15130ebef2f485bf34b42d78b7a6f4aad621bd3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.o: in function `spufs_dump_emit':
>> arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'
>> powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'
>> powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'
>> powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'
>> powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.c:136: undefined reference to `.dump_emit'
powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.o:arch/powerpc/platforms/cell/spufs/file.c:136: more undefined references to `.dump_emit' follow

vim +136 arch/powerpc/platforms/cell/spufs/file.c

197b1a8263bf36 Christoph Hellwig 2007-12-20  132  
b043443263bd4d Andrew Morton     2020-05-26  133  static ssize_t spufs_dump_emit(struct coredump_params *cprm, void *buf,
b043443263bd4d Andrew Morton     2020-05-26  134  		size_t size)
b043443263bd4d Andrew Morton     2020-05-26  135  {
b043443263bd4d Andrew Morton     2020-05-26 @136  	if (!dump_emit(cprm, buf, size))
b043443263bd4d Andrew Morton     2020-05-26  137  		return -EIO;
b043443263bd4d Andrew Morton     2020-05-26  138  	return size;
b043443263bd4d Andrew Morton     2020-05-26  139  }
b043443263bd4d Andrew Morton     2020-05-26  140  

:::::: The code at line 136 was first introduced by commit
:::::: b043443263bd4d6f403cd35e2c142587f4bb0766 linux-next

:::::: TO: Andrew Morton <akpm@linux-foundation.org>
:::::: CC: Johannes Weiner <hannes@cmpxchg.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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