# Basic kernel hardening options (specific to arm64)

# Make sure PAN emulation is enabled.
CONFIG_ARM64_SW_TTBR0_PAN=y

# Software Shadow Stack or PAC
CONFIG_SHADOW_CALL_STACK=y
CONFIG_UNWIND_PATCH_PAC_INTO_SCS=y

# Pointer authentication (ARMv8.3 and later). If hardware actually supports
# it, one can turn off CONFIG_STACKPROTECTOR_STRONG with this enabled.
CONFIG_ARM64_PTR_AUTH=y
CONFIG_ARM64_PTR_AUTH_KERNEL=y

# Available in ARMv8.5 and later.
CONFIG_ARM64_BTI=y
CONFIG_ARM64_BTI_KERNEL=y
CONFIG_ARM64_MTE=y
CONFIG_KASAN_HW_TAGS=y
CONFIG_ARM64_E0PD=y

# Available in ARMv8.7 and later.
CONFIG_ARM64_EPAN=y