[PATCH 1/4] ARM: Add UNWIND macro

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Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
 arch/arm/include/asm/unwind.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h
index 311ad3d66..a6f3a9174 100644
--- a/arch/arm/include/asm/unwind.h
+++ b/arch/arm/include/asm/unwind.h
@@ -48,4 +48,10 @@ extern void unwind_backtrace(struct pt_regs *regs);
 
 #endif	/* !__ASSEMBLY__ */
 
+#ifdef CONFIG_ARM_UNWIND
+#define UNWIND(code...)		code
+#else
+#define UNWIND(code...)
+#endif
+
 #endif	/* __ASM_UNWIND_H */
-- 
2.11.0


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