Hi Alim, [auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore] config: x86_64-randconfig-s0-10011705 (attached as .config) reproduce: git checkout 6e153e3bf7c68b019e987c5a0ffadebd9c7d4fbb # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): >> drivers/built-in.o:(.rodata+0x4d9e8): undefined reference to `ufs_hba_exynos_ops' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation