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| author | Palmer Dabbelt <palmer@rivosinc.com> | 2023-02-24 01:46:05 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-03-07 02:55:25 +0300 |
| commit | e18048da9bc3f87acef4eb67a11b4fc55fe15424 (patch) | |
| tree | 653cbfbf13c95b430174135cf35881dbf222c895 /arch/riscv/Makefile | |
| parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) | |
| download | linux-e18048da9bc3f87acef4eb67a11b4fc55fe15424.tar.xz | |
RISC-V: Stop emitting attributes
The RISC-V ELF attributes don't contain any useful information. New
toolchains ignore them, but they frequently trip up various older/mixed
toolchains. So just turn them off.
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230223224605.6995-1-palmer@rivosinc.com
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/Makefile')
| -rw-r--r-- | arch/riscv/Makefile | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 6203c3378922..4de83b9b1772 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -84,6 +84,13 @@ endif # Avoid generating .eh_frame sections. KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables +# The RISC-V attributes frequently cause compatibility issues and provide no +# information, so just turn them off. +KBUILD_CFLAGS += $(call cc-option,-mno-riscv-attribute) +KBUILD_AFLAGS += $(call cc-option,-mno-riscv-attribute) +KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mno-arch-attr) +KBUILD_AFLAGS += $(call as-option,-Wa$(comma)-mno-arch-attr) + KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax) KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax) |