src/share/vm/runtime/thread.cpp

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rev 6498 : 8044796: G1: Enable G1CollectedHeap::stop()
Reviewed-by:

@@ -3966,18 +3966,12 @@
   {
     // 4945125 The vm thread comes to a safepoint during exit.
     // GC vm_operations can get caught at the safepoint, and the
     // heap is unparseable if they are caught. Grab the Heap_lock
     // to prevent this. The GC vm_operations will not be able to
-    // queue until after the vm thread is dead.
-    // After this point, we'll never emerge out of the safepoint before
-    // the VM exits, so concurrent GC threads do not need to be explicitly
-    // stopped; they remain inactive until the process exits.
-    // Note: some concurrent G1 threads may be running during a safepoint,
-    // but these will not be accessing the heap, just some G1-specific side
-    // data structures that are not accessed by any other threads but them
-    // after this point in a terminal safepoint.
+    // queue until after the vm thread is dead. After this point,
+    // we'll never emerge out of the safepoint before the VM exits.
 
     MutexLocker ml(Heap_lock);
 
     VMThread::wait_for_vm_thread_exit();
     assert(SafepointSynchronize::is_at_safepoint(), "VM thread should exit at Safepoint");