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