8289575: G1: Remove unnecessary is-marking-active check in G1BarrierS…

…etRuntime::write_ref_field_pre_entry

Reviewed-by: tschatzl, iwalulya

src/hotspot/share/gc/g1/g1BarrierSetRuntime.cpp

@@ -50,7 +50,7 @@ JRT_LEAF(void, G1BarrierSetRuntime::write_ref_field_pre_entry(oopDesc* orig, Jav
   assert(oopDesc::is_oop(orig, true /* ignore mark word */), "Error");
   // store the original value that was in the field reference
   SATBMarkQueue& queue = G1ThreadLocalData::satb_mark_queue(thread);
-  G1BarrierSet::satb_mark_queue_set().enqueue(queue, orig);
+  G1BarrierSet::satb_mark_queue_set().enqueue_known_active(queue, orig);
 JRT_END
 
 // G1 post write barrier slowpath

src/hotspot/share/gc/shared/satbMarkQueue.hpp

@@ -140,10 +140,6 @@ class SATBMarkQueueSet: public PtrQueueSet {
 
   void flush_queue(SATBMarkQueue& queue);
 
-  // When active, add obj to queue by calling enqueue_known_active.
-  void enqueue(SATBMarkQueue& queue, oop obj) {
-    if (queue.is_active()) enqueue_known_active(queue, obj);
-  }
   // Add obj to queue.  This qset and the queue must be active.
   void enqueue_known_active(SATBMarkQueue& queue, oop obj);
   virtual void filter(SATBMarkQueue& queue) = 0;