Hi Linus, First bad commit (maybe != root cause): tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/linusw/linux-nomadik.git mtdparts head: e0f6f2c514756a3e734d2f1c0fa2e6c00fbfc354 commit: e0f6f2c514756a3e734d2f1c0fa2e6c00fbfc354 [5/5] mtd: parsers: Move CMDLINE parser config: arm64-allmodconfig (attached as .config) compiler: aarch64-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 git checkout e0f6f2c514756a3e734d2f1c0fa2e6c00fbfc354 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): >> make[3]: *** No rule to make target 'drivers/mtd/parsers/cmdlinepart.c', needed by 'drivers/mtd/parsers/cmdlinepart.o'. make[3]: Target '__build' not remade because of errors. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation