Unverified Commit 030d6dbf authored Jul 22, 2021 by Changbin Du Committed by Palmer Dabbelt Aug 12, 2021

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
option.

Fixes: fba8a867 ("RISC-V: Add kexec support")
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

parent 867432be

arch/riscv/kernel/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -11,7 +11,7 @@ endif
		CFLAGS_syscall_table.o += $(call cc-option,-Wno-override-init,)

		ifdef CONFIG_KEXEC
		AFLAGS_kexec_relocate.o := -mcmodel=medany -mno-relax
		AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax)
		endif

		extra-y += head.o