CC: Linux Memory Management List <linux-mm(a)kvack.org&gt; TO: "Steven Rostedt (VMware)" <rostedt(a)goodmis.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 07f7e57c63aaa2afb4ea31edef05e08699a63a00 commit: eed9caaaa5764b88d7b6f8504f6123cd6bdae975 [10714/11103] Merge remote-tracking branch 'ftrace/for-next' config: riscv-randconfig-r031-20210215 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout eed9caaaa5764b88d7b6f8504f6123cd6bdae975 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x3E): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x154): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x1152): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x1190): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x11B0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x11CA): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0xC0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x180): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x24C): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x3F4): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x668): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x7D8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0x9FA): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0xB76): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: main.c:(.text+0xDA4): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org