[PATCH v9 16/16] arm64: allow LTO to be selected

Sami Tolvanen
2020-12-11T20:27:34Z

Allow CONFIG_LTO_CLANG to be enabled.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Will Deacon <will@kernel.org>
---
arch/arm64/Kconfig | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index cf7eaaa0fb2f..59abe44845f3 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -73,6 +73,8 @@ config ARM64
select ARCH_USE_SYM_ANNOTATIONS
select ARCH_SUPPORTS_MEMORY_FAILURE
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_ATOMIC_RMW
select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG)
select ARCH_SUPPORTS_NUMA_BALANCING
--
2.29.2.576.ga3fc446d84-goog