Fix spin lock caller profiling when kernel is compiled with frame pointers

Ported from i386

Signed-off-by: Andi Kleen <ak@suse.de>

---
 arch/x86_64/kernel/time.c |    4 ++++
 1 files changed, 4 insertions(+)

Index: linux/arch/x86_64/kernel/time.c
===================================================================
--- linux.orig/arch/x86_64/kernel/time.c
+++ linux/arch/x86_64/kernel/time.c
@@ -187,12 +187,16 @@ unsigned long profile_pc(struct pt_regs 
 	   Better would be to write these functions in assembler again
 	   and check exactly. */
 	if (in_lock_functions(pc)) {
+#ifdef CONFIG_FRAME_POINTER
+		return ((unsigned long *)(regs->rbp))[1];
+#else
 		char *v = *(char **)regs->rsp;
 		if ((v >= _stext && v <= _etext) ||
 			(v >= _sinittext && v <= _einittext) ||
 			(v >= (char *)MODULES_VADDR  && v <= (char *)MODULES_END))
 			return (unsigned long)v;
 		return ((unsigned long *)regs->rsp)[1];
+#endif
 	}
 	return pc;
 }