Hi Liu, [auto build test ERROR on tip/perf/core] [also build test ERROR on v4.9-rc8] [cannot apply to btrfs/next next-20161207] [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/Liu-Bo/btrfs-dax-IO/20161208-082651 config: tile-tilegx_defconfig (attached as .config) compiler: tilegx-linux-gcc (GCC) 4.6.2 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=tile All errors (new ones prefixed by >>): >> ERROR: "dax_pfn_mkwrite" [fs/btrfs/btrfs.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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