ld.lld: error: arch/riscv/built-in.a(kernel/entry.o):(.text+0x1F0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax

* ld.lld: error: arch/riscv/built-in.a(kernel/entry.o):(.text+0x1F0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
@ 2021-01-20  3:53 kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-01-20  3:53 UTC (permalink / raw)
  To: kbuild-all

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CC: linux-kernel(a)vger.kernel.org
TO: Andreas Schwab <schwab@suse.de>
CC: Palmer Dabbelt <palmerdabbelt@google.com>
CC: Tycho Andersen <tycho@tycho.pizza>

Hi Andreas,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1e2a199f6ccdc15cf111d68d212e2fd4ce65682e
commit: cf7b2ae4d70432fa94ebba3fbaab825481ae7189 riscv: return -ENOSYS for syscall -1
date:   12 days ago
config: riscv-randconfig-r015-20210119 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 22b68440e1647e16b5ee24b924986207173c02d1)
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=cf7b2ae4d70432fa94ebba3fbaab825481ae7189
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cf7b2ae4d70432fa94ebba3fbaab825481ae7189
        # 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+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+0x150): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x114E): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x118E): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x11AE): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x11C8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/built-in.a(kernel/entry.o):(.text+0x0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
>> ld.lld: error: arch/riscv/built-in.a(kernel/entry.o):(.text+0x1F0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/built-in.a(kernel/entry.o):(.text+0x202): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: arch/riscv/built-in.a(kernel/entry.o):(.text+0x218): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: signal.c:(.fixup+0x0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: signal.c:(.fixup+0xC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: fork.c:(.fixup+0x0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: fork.c:(.fixup+0xC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: fork.c:(.fixup+0x18): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: exit.c:(.fixup+0x0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: exit.c:(.fixup+0xC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: exit.c:(.fixup+0x18): 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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