src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp

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@@ -45,11 +45,11 @@
   Thread* thr = Thread::current();
   if (thr->is_Java_thread()) {
     JavaThread* jt = (JavaThread*)thr;
     jt->satb_mark_queue().enqueue(pre_val);
   } else {
-    MutexLocker x(Shared_SATB_Q_lock);
+    MutexLockerEx x(Shared_SATB_Q_lock, Mutex::_no_safepoint_check_flag);
     JavaThread::satb_mark_queue_set().shared_satb_queue()->enqueue(pre_val);
   }
 }
 
 template <class T> void