src/hotspot/share/runtime/thread.cpp

rev 51818 : imported patch syncknobs-04-Knob_ExitRelease
rev 51819 : [mq]: syncknobs-04.2-Knob_ExitRelease

@@ -1951,14 +1951,10 @@
   // 6282335 JNI DetachCurrentThread spec states that all Java monitors
   // held by this thread must be released. The spec does not distinguish
   // between JNI-acquired and regular Java monitors. We can only see
   // regular Java monitors here if monitor enter-exit matching is broken.
   //
-  // Optionally release any monitors for regular JavaThread exits. This
-  // is provided as a work around for any bugs in monitor enter-exit
-  // matching. This can be expensive so it is not enabled by default.
-  //
   // ensure_join() ignores IllegalThreadStateExceptions, and so does
   // ObjectSynchronizer::release_monitors_owned_by_thread().
   if (exit_type == jni_detach) {
     // Sanity check even though JNI DetachCurrentThread() would have
     // returned JNI_ERR if there was a Java frame. JavaThread exit