From 2f394c0e7d1129a35156e492bc8f445fb20f43ac Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Wed, 1 Feb 2023 10:29:45 +0100 Subject: riscv: disable generation of unwind tables GCC 13 will enable -fasynchronous-unwind-tables by default on riscv. In the kernel, we don't have any use for unwind tables yet, so disable them. More importantly, the .eh_frame section brings relocations (R_RISC_32_PCREL, R_RISCV_SET{6,8,16}, R_RISCV_SUB{6,8,16}) into modules that we are not prepared to handle. Signed-off-by: Andreas Schwab Link: https://lore.kernel.org/r/mvmzg9xybqu.fsf@suse.de Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt --- arch/riscv/Makefile | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/riscv/Makefile') diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index faf2c2177094..82153960ac00 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -80,6 +80,9 @@ ifeq ($(CONFIG_PERF_EVENTS),y) KBUILD_CFLAGS += -fno-omit-frame-pointer endif +# Avoid generating .eh_frame sections. +KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables + KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax) KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax) -- cgit