src/hotspot/share/runtime/mutexLocker.cpp

rev 55389 : [mq]: satb_lock_free

*** 81,91 ****
  Mutex*   NonJavaThreadsList_lock      = NULL;
  Mutex*   NonJavaThreadsListSync_lock  = NULL;
  Monitor* CGC_lock                     = NULL;
  Monitor* STS_lock                     = NULL;
  Monitor* FullGCCount_lock             = NULL;
- Monitor* SATB_Q_CBL_mon               = NULL;
  Monitor* DirtyCardQ_CBL_mon           = NULL;
  Mutex*   Shared_DirtyCardQ_lock       = NULL;
  Mutex*   MarkStackFreeList_lock       = NULL;
  Mutex*   MarkStackChunkList_lock      = NULL;
  Mutex*   MonitoringSupport_lock       = NULL;
--- 81,90 ----
*** 227,238 ****
    def(ResolvedMethodTableWeakAlloc_lock    , PaddedMutex  , vmweak,      true,  Monitor::_safepoint_check_never);
    def(ResolvedMethodTableWeakActive_lock   , PaddedMutex  , vmweak-1,    true,  Monitor::_safepoint_check_never);
  
    def(FullGCCount_lock             , PaddedMonitor, leaf,        true,  Monitor::_safepoint_check_never);      // in support of ExplicitGCInvokesConcurrent
    if (UseG1GC) {
-     def(SATB_Q_CBL_mon             , PaddedMonitor, access,      true,  Monitor::_safepoint_check_never);
- 
      def(DirtyCardQ_CBL_mon         , PaddedMonitor, access,      true,  Monitor::_safepoint_check_never);
      def(Shared_DirtyCardQ_lock     , PaddedMutex  , access + 1,  true,  Monitor::_safepoint_check_never);
  
      def(FreeList_lock              , PaddedMutex  , leaf     ,   true,  Monitor::_safepoint_check_never);
      def(OldSets_lock               , PaddedMutex  , leaf     ,   true,  Monitor::_safepoint_check_never);
--- 226,235 ----
*** 245,256 ****
      def(MarkStackChunkList_lock    , PaddedMutex  , leaf     ,   true,  Monitor::_safepoint_check_never);
  
      def(MonitoringSupport_lock     , PaddedMutex  , native   ,   true,  Monitor::_safepoint_check_never);      // used for serviceability monitoring support
    }
    if (UseShenandoahGC) {
-     def(SATB_Q_CBL_mon             , PaddedMonitor, access,      true,  Monitor::_safepoint_check_never);
- 
      def(StringDedupQueue_lock      , PaddedMonitor, leaf,        true,  Monitor::_safepoint_check_never);
      def(StringDedupTable_lock      , PaddedMutex  , leaf,        true,  Monitor::_safepoint_check_never);
    }
    def(ParGCRareEvent_lock          , PaddedMutex  , leaf     ,   true,  Monitor::_safepoint_check_always);
    def(CGCPhaseManager_lock         , PaddedMonitor, leaf,        false, Monitor::_safepoint_check_always);
--- 242,251 ----