* Jens Remus [off-list ref] wrote:

-#ifndef ARCH_INIT_USER_FP_FRAME
- #define ARCH_INIT_USER_FP_FRAME
+#ifndef CONFIG_HAVE_UNWIND_USER_FP
+
+#define ARCH_INIT_USER_FP_FRAME(ws)
+
+#endif /* !CONFIG_HAVE_UNWIND_USER_FP */

Just a nit, there's no need for the closing /* !.. */ 
comment for such a short CPP block - just like it's 
done in the next couple of lines:

+#ifndef ARCH_INIT_USER_FP_ENTRY_FRAME
+#define ARCH_INIT_USER_FP_ENTRY_FRAME(ws)
+#endif

Thanks,

	Ingo