[PATCH v5 15/15] x86, build: Allow CONFIG_CFI_CLANG to be selected

Sami Tolvanen
2021-10-13T18:17:37Z

Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled with
Clang >= 13.

Link: https://bugs.llvm.org/show_bug.cgi?id=51588
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
---
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 47023166fb7b..1f310cc4e344 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -107,6 +107,7 @@ config X86
select ARCH_SUPPORTS_KMAP_LOCAL_FORCE_MAP if NR_CPUS <= 4096
select ARCH_SUPPORTS_LTO_CLANG
select ARCH_SUPPORTS_LTO_CLANG_THIN
+ select ARCH_SUPPORTS_CFI_CLANG if X86_64 && CLANG_VERSION >= 130000
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_MEMTEST
select ARCH_USE_QUEUED_RWLOCKS
--
2.33.0.1079.g6e70778dc9-goog