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[v3,16/16] x86, build: Allow CONFIG_CFI_CLANG to be selected

Message ID 20210914191045.2234020-17-samitolvanen@google.com (mailing list archive)
State Superseded
Headers show
Series x86: Add support for Clang CFI | expand

Commit Message

Sami Tolvanen Sept. 14, 2021, 7:10 p.m. UTC 
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>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4e001bbbb425..0df0285d3ed4 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