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authorSami Tolvanen <samitolvanen@google.com>2022-09-09 00:54:45 +0300
committerKees Cook <keescook@chromium.org>2022-09-26 20:13:12 +0300
commit9fca7115827b2e5f48d84e50bceb4edfd4cb6375 (patch)
tree10173b32c03fc8b3c5f32133c1d83ce7b1fb7cda /arch/Kconfig
parentd0f9562ee43a135b941715d9e5e607de88898aca (diff)
downloadlinux-9fca7115827b2e5f48d84e50bceb4edfd4cb6375.tar.xz
cfi: Remove CONFIG_CFI_CLANG_SHADOW
In preparation to switching to -fsanitize=kcfi, remove support for the CFI module shadow that will no longer be needed. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Tested-by: Kees Cook <keescook@chromium.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20220908215504.3686827-4-samitolvanen@google.com
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 5dbf11a5ba4e..5fd875e18c99 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -754,16 +754,6 @@ 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