[PATCH] RISC-V: Stop emitting attributes

[Palmer Dabbelt]

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.

Signed-off-by: Palmer Dabbelt <palmer at rivosinc.com>
---
 arch/riscv/Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 76989561566b..1fc504e2b85e 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -81,6 +81,11 @@ ifeq ($(CONFIG_PERF_EVENTS),y)
         KBUILD_CFLAGS += -fno-omit-frame-pointer
 endif
 
+# 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_CFLAGS += $(call as-option,-Wa$(comma)-mno-arch-attr)
+
 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
 
-- 
2.39.1