src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.cpp

*** 23,33 ****
   */
  
  #include "precompiled.hpp"
  #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp"
  #include "runtime/safepoint.hpp"
! #include "runtime/orderAccess.inline.hpp"
  
  // Alternating epochs on each rotation allow for concurrent tagging.
  // The regular epoch shift happens only during a safepoint.
  // The fence is there only for the emergency dump case which happens outside of safepoint.
  bool JfrTraceIdEpoch::_epoch_state = false;
--- 23,33 ----
   */
  
  #include "precompiled.hpp"
  #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp"
  #include "runtime/safepoint.hpp"
! #include "runtime/orderAccess.hpp"
  
  // Alternating epochs on each rotation allow for concurrent tagging.
  // The regular epoch shift happens only during a safepoint.
  // The fence is there only for the emergency dump case which happens outside of safepoint.
  bool JfrTraceIdEpoch::_epoch_state = false;