From: kbuild test robot <fengguang.wu@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kbuild-all@01.org, Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 7056/7206] kernel/sysctl_binary.c:1420: undefined reference to `stop_machine'
Date: Fri, 18 Dec 2015 21:37:57 +0800 [thread overview]
Message-ID: <201512182154.QvRYZIqR%fengguang.wu@intel.com> (raw)
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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
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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