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-rw-r--r--arch/Kconfig24
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 8b311e400ec1..266862428a84 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -355,6 +355,12 @@ config HAVE_RSEQ
This symbol should be selected by an architecture if it
supports an implementation of restartable sequences.
+config HAVE_RUST
+ bool
+ help
+ This symbol should be selected by an architecture if it
+ supports Rust.
+
config HAVE_FUNCTION_ARG_ACCESS_API
bool
help
@@ -738,11 +744,13 @@ config ARCH_SUPPORTS_CFI_CLANG
An architecture should select this option if it can support Clang's
Control-Flow Integrity (CFI) checking.
+config ARCH_USES_CFI_TRAPS
+ bool
+
config CFI_CLANG
bool "Use Clang's Control Flow Integrity (CFI)"
- depends on LTO_CLANG && ARCH_SUPPORTS_CFI_CLANG
- depends on CLANG_VERSION >= 140000
- select KALLSYMS
+ depends on ARCH_SUPPORTS_CFI_CLANG
+ depends on $(cc-option,-fsanitize=kcfi)
help
This option enables Clang’s forward-edge Control Flow Integrity
(CFI) checking, where the compiler injects a runtime check to each
@@ -754,16 +762,6 @@ config CFI_CLANG
https://clang.llvm.org/docs/ControlFlowIntegrity.html
-config CFI_CLANG_SHADOW
- bool "Use CFI shadow to speed up cross-module checks"
- default y
- depends on CFI_CLANG && MODULES
- help
- If you select this option, the kernel builds a fast look-up table of
- CFI check functions in loaded modules to reduce performance overhead.
-
- If unsure, say Y.
-
config CFI_PERMISSIVE
bool "Use CFI in permissive mode"
depends on CFI_CLANG