tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git untested-uaccess head: e4c5cc79ec8eab6bc3e74d9994b33f368f137223 commit: 850494ba3e9631c51e9a9afd993fc0c265c5fe03 [72/79] xtensa: get rid of zeroing, use RAW_COPY_USER config: xtensa-common_defconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 850494ba3e9631c51e9a9afd993fc0c265c5fe03 # save the attached .config to linux build tree make.cross ARCH=xtensa All errors (new ones prefixed by >>): >> arch/xtensa/lib/lib.a(usercopy.o):(__ex_table+0x4): undefined reference to `l_fixup' arch/xtensa/lib/lib.a(usercopy.o):(__ex_table+0x14): undefined reference to `l_fixup' arch/xtensa/lib/lib.a(usercopy.o):(__ex_table+0x1c): undefined reference to `l_fixup' arch/xtensa/lib/lib.a(usercopy.o):(__ex_table+0x34): undefined reference to `l_fixup' arch/xtensa/lib/lib.a(usercopy.o):(__ex_table+0x44): undefined reference to `l_fixup' arch/xtensa/lib/lib.a(usercopy.o):(__ex_table+0x4c): more undefined references to `l_fixup' follow --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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