[PATCH v3 24/30] arm64: export CC_USING_PATCHABLE_FUNCTION_ENTRY

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Since arm64 does not use -pg in CC_FLAGS_FTRACE with
DYNAMIC_FTRACE_WITH_REGS, skip running recordmcount by
exporting CC_USING_PATCHABLE_FUNCTION_ENTRY.

Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 arch/arm64/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 4e8bb73359c8..57b875099b17 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -123,6 +123,7 @@ CHECKFLAGS	+= -D__aarch64__
 ifeq ($(CONFIG_DYNAMIC_FTRACE_WITH_REGS),y)
   KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY
   CC_FLAGS_FTRACE := -fpatchable-function-entry=2
+  export CC_USING_PATCHABLE_FUNCTION_ENTRY := 1
 endif
 
 # Default value
-- 
2.28.0.681.g6f77f65b4e-goog




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