[PATCH 29/30] arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig
From: Masahiro Yamada
Date: Fri Apr 13 2018 - 01:09:32 EST
This becomes much neater in Kconfig.
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Acked-by: Will Deacon <will.deacon@xxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
Changes in v3: None
Changes in v2: None
arch/arm64/Kconfig | 1 +
arch/arm64/Makefile | 2 --
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index eb2cf49..09d1aee 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -43,6 +43,7 @@ config ARM64
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_SUPPORTS_MEMORY_FAILURE
select ARCH_SUPPORTS_ATOMIC_RMW
+ select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000
select ARCH_SUPPORTS_NUMA_BALANCING
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select ARCH_WANT_FRAME_POINTERS
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 1540286..cefd1e9 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -56,8 +56,6 @@ KBUILD_AFLAGS += $(lseinstr) $(brokengasinst)
KBUILD_CFLAGS += $(call cc-option,-mabi=lp64)
KBUILD_AFLAGS += $(call cc-option,-mabi=lp64)
-KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0500, -DCONFIG_ARCH_SUPPORTS_INT128)
-
ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
KBUILD_CPPFLAGS += -mbig-endian
CHECKFLAGS += -D__AARCH64EB__
--
2.7.4