Hi Ard,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.15-rc5 next-20171222]
[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/Ard-Biesheuvel/add-support-for-relative-references-in-special-sections/20171228-171634
config: s390-gcov_defconfig (attached as .config)
compiler: s390x-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=s390 

All errors (new ones prefixed by >>):

quoted

arch/s390/kernel/ebcdic.o:(.data+0x118): undefined reference to `__gcov_merge_add'

   arch/s390/kernel/ebcdic.o: In function `_GLOBAL__sub_I_00100_0__ascebc':

quoted

ebcdic.c:(.text.startup+0xe): undefined reference to `__gcov_init'

   arch/s390/kernel/ebcdic.o: In function `_GLOBAL__sub_D_00100_1__ascebc':

quoted

ebcdic.c:(.text.exit+0x8): undefined reference to `__gcov_exit'

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