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Date:   Thu, 22 Jul 2021 10:17:15 +0800
From:   Changbin Du <>
To:     Paul Walmsley <>,
        Palmer Dabbelt <>,
        Albert Ou <>
        Changbin Du <>
Subject: [PATCH] riscv: kexec: do not add '-mno-relax' flag if compiler doesn't support it

The RISC-V special option '-mno-relax' which to disable linker relaxations
is supported by GCC8+. For GCC7 and lower versions do not support this

Fixes: fba8a8674f ("RISC-V: Add kexec support")
Signed-off-by: Changbin Du <>
 arch/riscv/kernel/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index d3081e4d9600..3397ddac1a30 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -11,7 +11,7 @@ endif
 CFLAGS_syscall_table.o	+= $(call cc-option,-Wno-override-init,)
-AFLAGS_kexec_relocate.o := -mcmodel=medany -mno-relax
+AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax)
 extra-y += head.o

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