[linux-next:master 7056/7206] kernel/sysctl_binary.c:1420: undefined reference to `stop_machine'

[linux-next:master 7056/7206] kernel/sysctl_binary.c:1420: undefined reference to `stop_machine'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   f7ac28a6971b43a2ee8bb47c0ef931b38f7888cf
commit: 64dab25b058c12f935794cb239089303bda7dbc1 [7056/7206] kernel/stop_machine.c: remove CONFIG_SMP dependencies
config: mn10300-asb2364_defconfig (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 64dab25b058c12f935794cb239089303bda7dbc1
        # save the attached .config to linux build tree
        make.cross ARCH=mn10300 

All errors (new ones prefixed by >>):

   am33_2.0-linux-ld: Dwarf Error: mangled line number section.
   am33_2.0-linux-ld: Dwarf Error: mangled line number section.
   kernel/built-in.o: In function `current_thread_info':
>> kernel/sysctl_binary.c:1420: undefined reference to `stop_machine'
   am33_2.0-linux-ld: Dwarf Error: mangled line number section.
   am33_2.0-linux-ld: Dwarf Error: mangled line number section.
   mm/built-in.o: In function `current_thread_info':
   (.ref.text+0x159): undefined reference to `stop_machine'

vim +1420 kernel/sysctl_binary.c

2830b6836 Eric W. Biederman 2009-04-03  1414  
4440095c8 Andi Kleen        2009-12-23  1415  	warn_on_bintable(name, nlen);
2830b6836 Eric W. Biederman 2009-04-03  1416  
26a7034b4 Eric W. Biederman 2009-11-05  1417  	return binary_sysctl(name, nlen, oldval, oldlen, newval, newlen);
2830b6836 Eric W. Biederman 2009-04-03  1418  }
2830b6836 Eric W. Biederman 2009-04-03  1419  
2830b6836 Eric W. Biederman 2009-04-03 @1420  SYSCALL_DEFINE1(sysctl, struct __sysctl_args __user *, args)
2830b6836 Eric W. Biederman 2009-04-03  1421  {
2830b6836 Eric W. Biederman 2009-04-03  1422  	struct __sysctl_args tmp;
26a7034b4 Eric W. Biederman 2009-11-05  1423  	size_t oldlen = 0;

:::::: The code at line 1420 was first introduced by commit
:::::: 2830b68361a9f58354ad043c6d85043ea917f907 sysctl: Refactor the binary sysctl handling to remove duplicate code

:::::: TO: Eric W. Biederman <ebiederm@xmission.com>
:::::: CC: Eric W. Biederman <ebiederm@xmission.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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