--- a/hotspot/src/share/vm/runtime/deoptimization.cpp	Tue May 13 11:25:17 2014 +0200
+++ b/hotspot/src/share/vm/runtime/deoptimization.cpp	Tue May 13 11:32:10 2014 -0700
@@ -744,6 +744,8 @@
   return 0;
 }
 
+Deoptimization::DeoptAction Deoptimization::_unloaded_action
+  = Deoptimization::Action_reinterpret;
 
 #ifdef COMPILER2
 bool Deoptimization::realloc_objects(JavaThread* thread, frame* fr, GrowableArray<ScopeValue*>* objects, TRAPS) {
@@ -1185,6 +1187,23 @@
 }
 JRT_END
 
+MethodData*
+Deoptimization::get_method_data(JavaThread* thread, methodHandle m,
+                                bool create_if_missing) {
+  Thread* THREAD = thread;
+  MethodData* mdo = m()->method_data();
+  if (mdo == NULL && create_if_missing && !HAS_PENDING_EXCEPTION) {
+    // Build an MDO.  Ignore errors like OutOfMemory;
+    // that simply means we won't have an MDO to update.
+    Method::build_interpreter_method_data(m, THREAD);
+    if (HAS_PENDING_EXCEPTION) {
+      assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here");
+      CLEAR_PENDING_EXCEPTION;
+    }
+    mdo = m()->method_data();
+  }
+  return mdo;
+}
 
 #if defined(COMPILER2) || defined(SHARK)
 void Deoptimization::load_class_by_index(constantPoolHandle constant_pool, int index, TRAPS) {
@@ -1285,7 +1304,7 @@
 
     // Ensure that we can record deopt. history:
     // Need MDO to record RTM code generation state.
-    bool create_if_missing = ProfileTraps RTM_OPT_ONLY( || UseRTMLocking );
+    bool create_if_missing = ProfileTraps || UseCodeAging RTM_OPT_ONLY( || UseRTMLocking );
 
     MethodData* trap_mdo =
       get_method_data(thread, trap_method, create_if_missing);
@@ -1421,7 +1440,7 @@
     //
     // The other actions cause immediate removal of the present code.
 
-    bool update_trap_state = true;
+    bool update_trap_state = (reason != Reason_tenured);
     bool make_not_entrant = false;
     bool make_not_compilable = false;
     bool reprofile = false;
@@ -1548,7 +1567,6 @@
       if (make_not_entrant && maybe_prior_recompile && maybe_prior_trap) {
         reprofile = true;
       }
-
     }
 
     // Take requested actions on the method:
@@ -1577,6 +1595,11 @@
         trap_mdo->atomic_set_rtm_state(ProfileRTM);
       }
 #endif
+      // For code aging we count traps separately here, using make_not_entrant()
+      // as a guard against simultaneous deopts in multiple threads.
+      if (reason == Reason_tenured && trap_mdo != NULL) {
+        trap_mdo->inc_tenure_traps();
+      }
     }
 
     if (inc_recompile_count) {
@@ -1609,24 +1632,6 @@
 }
 JRT_END
 
-MethodData*
-Deoptimization::get_method_data(JavaThread* thread, methodHandle m,
-                                bool create_if_missing) {
-  Thread* THREAD = thread;
-  MethodData* mdo = m()->method_data();
-  if (mdo == NULL && create_if_missing && !HAS_PENDING_EXCEPTION) {
-    // Build an MDO.  Ignore errors like OutOfMemory;
-    // that simply means we won't have an MDO to update.
-    Method::build_interpreter_method_data(m, THREAD);
-    if (HAS_PENDING_EXCEPTION) {
-      assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here");
-      CLEAR_PENDING_EXCEPTION;
-    }
-    mdo = m()->method_data();
-  }
-  return mdo;
-}
-
 ProfileData*
 Deoptimization::query_update_method_data(MethodData* trap_mdo,
                                          int trap_bci,
@@ -1813,8 +1818,6 @@
 
 
 //--------------------------------statics--------------------------------------
-Deoptimization::DeoptAction Deoptimization::_unloaded_action
-  = Deoptimization::Action_reinterpret;
 const char* Deoptimization::_trap_reason_name[Reason_LIMIT] = {
   // Note:  Keep this in sync. with enum DeoptReason.
   "none",