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

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Message-ID: <202006262218.aPA1ar1k%lkp@intel.com>
Date:   Fri, 26 Jun 2020 22:17:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     kbuild-all@...ts.01.org, LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Al Viro <viro@...iv.linux.org.uk>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH 05/14] umh: Separate the user mode driver and the user
 mode helper support

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@...el.com>

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
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (7287 bytes)