ld.lld: error: main.c:(.text+0xC4): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax

[kernel test robot <lkp@intel.com>]

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CC: linux-kernel(a)vger.kernel.org
TO: Feng Tang <feng.tang@intel.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   27bba9c532a8d21050b94224ffd310ad0058c353
commit: 09c60546f04f732d194a171b3a4ccc9ae1e704ba ./Makefile: add debug option to enable function aligned on 32 bytes
date:   3 months ago
config: riscv-randconfig-r014-20201122 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bec968cbb367dd03439c89c1d4ef968ef662d7c0)
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/torvalds/linux.git/commit/?id=09c60546f04f732d194a171b3a4ccc9ae1e704ba
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 09c60546f04f732d194a171b3a4ccc9ae1e704ba
        # 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@intel.com>

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+0xA): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x40): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x4A): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x8A): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.init.text+0x0): 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+0x40): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x7C): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
>> ld.lld: error: main.c:(.text+0xC4): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x100): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x13C): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x178): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
>> ld.lld: error: main.c:(.text+0x1B8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x1FC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x238): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x274): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x2B0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
>> ld.lld: error: main.c:(.text+0x2EC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: main.c:(.text+0x328): 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(a)lists.01.org

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