X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fdumpstack.h;fp=arch%2Fx86%2Fkernel%2Fdumpstack.h;h=29e5f7c845b25e4ef3d92f6bc79a7e79c050e942;hb=5331d7b84613b8325362dde53dc2bff2fb87d351;hp=4fd1420faffa4fd747d8de2844c8d7278b79587c;hpb=61e67fb9d3ed13e6a7f58652ae4979b9c872fa57;p=pandora-kernel.git

diff --git a/arch/x86/kernel/dumpstack.h b/arch/x86/kernel/dumpstack.h
index 4fd1420faffa..29e5f7c845b2 100644
--- a/arch/x86/kernel/dumpstack.h
+++ b/arch/x86/kernel/dumpstack.h
@@ -29,4 +29,19 @@ struct stack_frame {
 	struct stack_frame *next_frame;
 	unsigned long return_address;
 };
+
+static inline unsigned long rewind_frame_pointer(int n)
+{
+	struct stack_frame *frame;
+
+	get_bp(frame);
+
+#ifdef CONFIG_FRAME_POINTER
+	while (n--)
+		frame = frame->next_frame;
 #endif
+
+	return (unsigned long)frame;
+}
+
+#endif /* DUMPSTACK_H */