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Date: Sun, 13 Mar 2016 22:37:33 +0800
From: kbuild test robot <fengguang.wu@intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>
Subject: undefined reference to `early_panic'
Message-ID: <201603132231.N3EVn2Xd%fengguang.wu@intel.com>
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Hi Dan,

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f414ca64be4b36c30deb5b5fa25c5a8ff42ea56b
commit: 888cdbc2c9a76a0e450f533b1957cdbfe7d483d5 hugetlb: fix compile error on tile
date:   8 weeks ago
config: tile-allnoconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 888cdbc2c9a76a0e450f533b1957cdbfe7d483d5
        # save the attached .config to linux build tree
        make.cross ARCH=tile 

All errors (new ones prefixed by >>):

   arch/tile/built-in.o: In function `setup_arch':
>> (.init.text+0x15d8): undefined reference to `early_panic'
   arch/tile/built-in.o: In function `setup_arch':
   (.init.text+0x1610): undefined reference to `early_panic'
   arch/tile/built-in.o: In function `setup_arch':
   (.init.text+0x1800): undefined reference to `early_panic'
   arch/tile/built-in.o: In function `setup_arch':
   (.init.text+0x1828): undefined reference to `early_panic'
   arch/tile/built-in.o: In function `setup_arch':
   (.init.text+0x1bd8): undefined reference to `early_panic'
   arch/tile/built-in.o:(.init.text+0x1c18): more undefined references to `early_panic' follow

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

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