CC: Linux Memory Management List <linux-mm(a)kvack.org&gt; TO: Ingo Molnar <mingo(a)kernel.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 52a0bcb60e40f30211cb5cbbb0f582ec4e91d896 commit: 5e055bd14829caf08a45b8de223fbd6047539595 [11488/11541] Merge remote-tracking branch 'tip/auto-latest' config: riscv-randconfig-r001-20210215 (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 5e055bd14829caf08a45b8de223fbd6047539595 # 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+0x8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x3E94): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x4314): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x45CC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x46E2): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x474E): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x47A6): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x49C0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x4A26): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x4A62): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x4B78): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x4C6E): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x4D14): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.text+0x5338): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.init.text+0x14C): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax ld.lld: error: debug_core.c:(.init.text+0x2AE): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org