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 9f0139b..69f968a 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -13,7 +13,6 @@ config ARM64
        select ARCH_BINFMT_ELF_STATE
        select ARCH_HAS_DEBUG_VIRTUAL
        select ARCH_HAS_DEBUG_VM_PGTABLE
-       select ARCH_HAS_DEVMEM_IS_ALLOWED
        select ARCH_HAS_DMA_PREP_COHERENT
        select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
        select ARCH_HAS_FAST_MULTIPLIER
@@ -113,6 +112,7 @@ config ARM64
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
        select GENERIC_IRQ_SHOW_LEVEL
+       select GENERIC_LIB_DEVMEM_IS_ALLOWED
        select GENERIC_PCI_IOMAP
        select GENERIC_PTDUMP
        select GENERIC_SCHED_CLOCK
@@ -1571,6 +1571,9 @@ endmenu
 
 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
@@ -1645,6 +1648,7 @@ config ARM64_MTE
        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