Re: [Y2038] [PATCH 11/12] [RFC] ipv4: avoid timespec in timestamp computation

From: Arnd Bergmann
Date: Wed Sep 30 2015 - 08:39:45 EST


On Wednesday 30 September 2015 19:55:43 kbuild test robot wrote:
> 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'

Thanks for the helpful report, I love the new feature of grabbing the patches
from the list.

Moreover, sorry for screwing up here, I changed the function name before
sending it out and only compiled the files individually but did not notice
that I only changed it in three out of four places because I did not
try to relink the kernel.

I'll send an updated version.

Arnd
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