arm64: allow CONFIG_CFI_CLANG to be selected

Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210408182843.1754385-19-samitolvanen@google.com

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e4e1b65..d739577 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -75,6 +75,7 @@ config ARM64
        select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK
        select ARCH_SUPPORTS_LTO_CLANG if CPU_LITTLE_ENDIAN
        select ARCH_SUPPORTS_LTO_CLANG_THIN
+       select ARCH_SUPPORTS_CFI_CLANG
        select ARCH_SUPPORTS_ATOMIC_RMW
        select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG)
        select ARCH_SUPPORTS_NUMA_BALANCING