Re: [PATCH v4 16/20] TP-futex: Group readers together in wait queue

From: kbuild test robot
Date: Thu Dec 29 2016 - 15:17:52 EST


Hi Waiman,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc1 next-20161224]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Waiman-Long/futex-Introducing-throughput-optimized-TP-futexes/20161230-020021
config: ia64-defconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
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
# save the attached .config to linux build tree
make.cross ARCH=ia64

All errors (new ones prefixed by >>):

kernel/built-in.o: In function `futex_lock':
>> futex.c:(.text+0xfadd2): undefined reference to `osq_lock'
>> futex.c:(.text+0xfb1f2): undefined reference to `osq_unlock'
futex.c:(.text+0xfb2d2): undefined reference to `osq_unlock'
futex.c:(.text+0xfc0c2): undefined reference to `osq_lock'
futex.c:(.text+0xfc6d2): undefined reference to `osq_unlock'

---
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