Re: [PATCH-tip v6 18/22] TP-futex: Group readers together in wait queue

[kbuild test robot]

Hi Waiman,

[auto build test ERROR on next-20170323]
[also build test ERROR on v4.11-rc3]
[cannot apply to linus/master linux/master tip/perf/core v4.9-rc8 v4.9-rc7 v4.9-rc6]
[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/perf-bench-New-microbenchmark-for-userspace-mutex-performance/20170324-135043
config: ia64-defconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/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+0xfa4a2): undefined reference to `osq_lock'
>> futex.c:(.text+0xfae22): undefined reference to `osq_unlock'
   futex.c:(.text+0xfaf02): undefined reference to `osq_unlock'
   futex.c:(.text+0xfb502): undefined reference to `osq_lock'
   futex.c:(.text+0xfb9e2): undefined reference to `osq_unlock'

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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