Hi Joe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc7 next-20180329]
[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/Joe-Lawrence/selftests-livepatch-introduce-tests/20180330-004235
config: s390-allyesconfig (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 >>):

   lib/livepatch/test_klp_atomic_replace.c: In function 'livepatch_init':
>> lib/livepatch/test_klp_atomic_replace.c:46:7: error: 'struct klp_patch' has no member named 'replace'
     patch.replace = replace;
          ^
--
   lib/livepatch/test_klp_callbacks_demo2.c: In function 'livepatch_callbacks_demo2_init':
>> lib/livepatch/test_klp_callbacks_demo2.c:81:7: error: 'struct klp_patch' has no member named 'replace'
     patch.replace = replace;
          ^

vim +46 lib/livepatch/test_klp_atomic_replace.c

    41	
    42	static int livepatch_init(void)
    43	{
    44		int ret;
    45	
  > 46		patch.replace = replace;
    47	
    48		ret = klp_register_patch(&patch);
    49		if (ret)
    50			return ret;
    51		ret = klp_enable_patch(&patch);
    52		if (ret) {
    53			WARN_ON(klp_unregister_patch(&patch));
    54			return ret;
    55		}
    56		return 0;
    57	}
    58	

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