Hi Aleksa, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [cannot apply to v5.3 next-20190924] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Aleksa-Sarai/lib-introduce-copy_struct_from_user-helper/20190926-010527 config: xtensa-common_defconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag Reported-by: kbuild test robot <[email protected]> All errors (new ones prefixed by >>): >> lib/struct_user.o:(.text+0x8): undefined reference to `is_zeroed_user' lib/struct_user.o: In function `copy_struct_from_user': struct_user.c:(.text+0x37): undefined reference to `is_zeroed_user' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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