src/share/vm/gc/g1/g1HotCardCache.hpp

rev 10742 : Make fields used in lock-free algorithms volatile

*** 61,71 ****
  
    G1CardCounts      _card_counts;
  
  
    // The card cache table
!   jbyte**           _hot_cache;
  
    size_t            _hot_cache_size;
  
    int               _hot_cache_par_chunk_size;
  
--- 61,71 ----
  
    G1CardCounts      _card_counts;
  
  
    // The card cache table
!   volatile jbyte**           _hot_cache;
  
    size_t            _hot_cache_size;
  
    int               _hot_cache_par_chunk_size;
  
*** 106,116 ****
    // added to the hot card cache.
    // If there is enough room in the hot card cache for the card we're
    // adding, NULL is returned and no further action in needed.
    // If we evict a card from the cache to make room for the new card,
    // the evicted card is then returned for refinement.
!   jbyte* insert(jbyte* card_ptr);
  
    // Refine the cards that have delayed as a result of
    // being in the cache.
    void drain(CardTableEntryClosure* cl, uint worker_i);
  
--- 106,116 ----
    // added to the hot card cache.
    // If there is enough room in the hot card cache for the card we're
    // adding, NULL is returned and no further action in needed.
    // If we evict a card from the cache to make room for the new card,
    // the evicted card is then returned for refinement.
!   volatile jbyte* insert(volatile jbyte* card_ptr);
  
    // Refine the cards that have delayed as a result of
    // being in the cache.
    void drain(CardTableEntryClosure* cl, uint worker_i);