* [linux-next:master 5963/5971] futex.c:undefined reference to `__arch_atomic_add_unless'
@ 2017-03-30 1:11 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2017-03-30 1:11 UTC (permalink / raw)
To: Andrew Morton; +Cc: kbuild-all, Linux Memory Management List, Andi Kleen
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Hi Andrew,
It's probably a bug fix that unveils the link errors.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 8f8ab14f4414e1be0e7c23036017e3e3130ba7cd
commit: 2ef5da008877ad2222e9a8964d39cf50fd2236d7 [5963/5971] x86-atomic-move-__atomic_add_unless-out-of-line-fix
config: um-alldefconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout 2ef5da008877ad2222e9a8964d39cf50fd2236d7
# save the attached .config to linux build tree
make ARCH=um
All errors (new ones prefixed by >>):
kernel/built-in.o: In function `get_task_cred':
(.text+0x23d34): undefined reference to `__arch_atomic_add_unless'
kernel/built-in.o: In function `atomic_dec_and_mutex_lock':
(.text+0x2f166): undefined reference to `__arch_atomic_add_unless'
kernel/built-in.o: In function `get_pi_state':
>> futex.c:(.text+0x4b1c1): undefined reference to `__arch_atomic_add_unless'
kernel/built-in.o: In function `get_futex_key':
futex.c:(.text+0x4ba2a): undefined reference to `__arch_atomic_add_unless'
mm/built-in.o: In function `oom_reaper':
>> oom_kill.c:(.text+0x4b36): undefined reference to `__arch_atomic_add_unless'
mm/built-in.o:(.text+0x10e01): more undefined references to `__arch_atomic_add_unless' follow
collect2: error: ld returned 1 exit status
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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