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arm64: enable armv8.5-a asm-arch option
[linux-2.6-microblaze.git]
/
arch
/
arm64
/
Kconfig
diff --git
a/arch/arm64/Kconfig
b/arch/arm64/Kconfig
index
81463eb
..
69f968a
100644
(file)
--- a/
arch/arm64/Kconfig
+++ b/
arch/arm64/Kconfig
@@
-1571,6
+1571,9
@@
endmenu
menu "ARMv8.5 architectural features"
menu "ARMv8.5 architectural features"
+config AS_HAS_ARMV8_5
+ def_bool $(cc-option,-Wa$(comma)-march=armv8.5-a)
+
config ARM64_BTI
bool "Branch Target Identification support"
default y
config ARM64_BTI
bool "Branch Target Identification support"
default y
@@
-1645,6
+1648,7
@@
config ARM64_MTE
bool "Memory Tagging Extension support"
default y
depends on ARM64_AS_HAS_MTE && ARM64_TAGGED_ADDR_ABI
bool "Memory Tagging Extension support"
default y
depends on ARM64_AS_HAS_MTE && ARM64_TAGGED_ADDR_ABI
+ depends on AS_HAS_ARMV8_5
select ARCH_USES_HIGH_VMA_FLAGS
help
Memory Tagging (part of the ARMv8.5 Extensions) provides
select ARCH_USES_HIGH_VMA_FLAGS
help
Memory Tagging (part of the ARMv8.5 Extensions) provides