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-rw-r--r--arch/arm64/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5e2dfef78956..f6e333b59314 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -150,6 +150,8 @@ config ARM64
select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
+ # Some instrumentation may be unsound, hence EXPERT
+ select HAVE_ARCH_KCSAN if EXPERT
select HAVE_ARCH_KFENCE
select HAVE_ARCH_KGDB
select HAVE_ARCH_MMAP_RND_BITS
@@ -1544,6 +1546,12 @@ endmenu
menu "ARMv8.2 architectural features"
+config AS_HAS_ARMV8_2
+ def_bool $(cc-option,-Wa$(comma)-march=armv8.2-a)
+
+config AS_HAS_SHA3
+ def_bool $(as-instr,.arch armv8.2-a+sha3)
+
config ARM64_PMEM
bool "Enable support for persistent memory"
select ARCH_HAS_PMEM_API