Re: [PATCH 05/14] umh: Separate the user mode driver and the user mode helper support

[kernel test robot]

Hi "Eric,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]
[also build test ERROR on bpf/master linux/master linus/master v5.8-rc2 next-20200626]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Eric-W-Biederman/Make-the-user-mode-driver-code-a-better-citizen/20200626-210513
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: i386-tinyconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

Note: the linux-review/Eric-W-Biederman/Make-the-user-mode-driver-code-a-better-citizen/20200626-210513 HEAD 5c5f3ba486c1c4173950c91b97ce9f3b5f6c7403 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   ld: kernel/exit.o: in function `do_exit':
>> exit.c:(.text+0xec0): undefined reference to `__exit_umh'

---
0-DAY CI Kernel Test Service, Intel Corporation
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