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

Message ID 20201211184633.3213045-17-samitolvanen@google.com (mailing list archive)
State Not Applicable
Headers show
Series Add support for Clang LTO | expand

Commit Message

Sami Tolvanen Dec. 11, 2020, 6:46 p.m. UTC 
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(+)
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Patch

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