src/hotspot/share/runtime/mutexLocker.cpp

*** 37,46 ****
--- 37,47 ----
  // eliminating the indirection and using instances instead.
  // Consider using GCC's __read_mostly.
  
  Mutex*   Patching_lock                = NULL;
  Monitor* SystemDictionary_lock        = NULL;
+ Mutex*   SharedDictionary_lock        = NULL;
  Mutex*   Module_lock                  = NULL;
  Mutex*   CompiledIC_lock              = NULL;
  Mutex*   InlineCacheBuffer_lock       = NULL;
  Mutex*   VMStatistic_lock             = NULL;
  Mutex*   JNIGlobalAlloc_lock          = NULL;
*** 219,228 ****
--- 220,230 ----
    def(Patching_lock                , PaddedMutex  , special,     true,  Monitor::_safepoint_check_never);      // used for safepointing and code patching.
    def(Service_lock                 , PaddedMonitor, special,     true,  Monitor::_safepoint_check_never);      // used for service thread operations
    def(JmethodIdCreation_lock       , PaddedMutex  , leaf,        true,  Monitor::_safepoint_check_always);     // used for creating jmethodIDs.
  
    def(SystemDictionary_lock        , PaddedMonitor, leaf,        true,  Monitor::_safepoint_check_always);     // lookups done by VM thread
+   def(SharedDictionary_lock        , PaddedMutex,   leaf,        true,  Monitor::_safepoint_check_always);     // lookups done by VM thread
    def(Module_lock                  , PaddedMutex  , leaf+2,      true,  Monitor::_safepoint_check_always);
    def(InlineCacheBuffer_lock       , PaddedMutex  , leaf,        true,  Monitor::_safepoint_check_always);
    def(VMStatistic_lock             , PaddedMutex  , leaf,        false, Monitor::_safepoint_check_always);
    def(ExpandHeap_lock              , PaddedMutex  , leaf,        true,  Monitor::_safepoint_check_always);     // Used during compilation by VM thread
    def(JNIHandleBlockFreeList_lock  , PaddedMutex  , leaf,        true,  Monitor::_safepoint_check_never);      // handles are used by VM thread