Re: [PATCH 11/12] [RFC] ipv4: avoid timespec in timestamp computation

From: kbuild test robot
Date: Wed Sep 30 2015 - 07:56:46 EST


Hi Arnd,

[auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]

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 e1358094d427405462a47d6d2650458b689e55d9
# save the attached .config to linux build tree
make.cross ARCH=mn10300

All error/warnings (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':
(___ksymtab_gpl+ktime_get_ms_since_midnight+0x0): undefined reference to `ktime_get_ms_since_midnight'
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
am33_2.0-linux-ld: Dwarf Error: mangled line number section.
net/built-in.o: In function `register_netevent_notifier':
>> net/core/netevent.c:29: undefined reference to `ktime_get_ms_since_midnight'
>> net/core/netevent.c:29: undefined reference to `ktime_get_ms_since_midnight'
net/core/netevent.c:17: undefined reference to `ktime_get_ms_since_midnight'

vim +29 net/core/netevent.c

792d1932 Tom Tucker 2006-07-30 23 /**
792d1932 Tom Tucker 2006-07-30 24 * register_netevent_notifier - register a netevent notifier block
792d1932 Tom Tucker 2006-07-30 25 * @nb: notifier
792d1932 Tom Tucker 2006-07-30 26 *
792d1932 Tom Tucker 2006-07-30 27 * Register a notifier to be called when a netevent occurs.
792d1932 Tom Tucker 2006-07-30 28 * The notifier passed is linked into the kernel structures and must
792d1932 Tom Tucker 2006-07-30 @29 * not be reused until it has been unregistered. A negative errno code
792d1932 Tom Tucker 2006-07-30 30 * is returned on a failure.
792d1932 Tom Tucker 2006-07-30 31 */
792d1932 Tom Tucker 2006-07-30 32 int register_netevent_notifier(struct notifier_block *nb)

:::::: The code at line 29 was first introduced by commit
:::::: 792d1932e319ff8ba01361e7d151b1794c55c31f [NET]: Network Event Notifier Mechanism.

:::::: TO: Tom Tucker <tom@xxxxxxxxxxxxxxxxxxxxx>
:::::: CC: David S. Miller <davem@xxxxxxxxxxxxxxxxxxxx>

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