--- a/hotspot/src/share/vm/runtime/mutexLocker.cpp	Wed Sep 23 22:04:23 2015 +0300
+++ b/hotspot/src/share/vm/runtime/mutexLocker.cpp	Thu Sep 24 12:36:04 2015 +0200
@@ -127,6 +127,7 @@
 Mutex*   Management_lock              = NULL;
 Monitor* Service_lock                 = NULL;
 Monitor* PeriodicTask_lock            = NULL;
+Mutex*   LogConfiguration_lock        = NULL;
 
 #ifdef INCLUDE_TRACE
 Mutex*   JfrStacktrace_lock           = NULL;
@@ -282,6 +283,7 @@
   if (WhiteBoxAPI) {
     def(Compilation_lock           , Monitor, leaf,        false, Monitor::_safepoint_check_never);
   }
+  def(LogConfiguration_lock        , Mutex,   nonleaf,     false, Monitor::_safepoint_check_always);
 
 #ifdef INCLUDE_TRACE
   def(JfrMsg_lock                  , Monitor, leaf,        true,  Monitor::_safepoint_check_always);