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8202083: Remove explicit CMS checks in CardTableBarrierSet
authoreosterlund
Mon, 07 May 2018 10:36:38 +0200
changeset 50030 bcf41be8ea14
parent 50029 ea0a16ba6ac0
child 50031 aa04bf7b99bd
8202083: Remove explicit CMS checks in CardTableBarrierSet Reviewed-by: kbarrett
src/hotspot/share/gc/shared/cardTableBarrierSet.inline.hpp file | annotate | diff | comparison | revisions 
--- a/src/hotspot/share/gc/shared/cardTableBarrierSet.inline.hpp	Mon May 07 12:28:11 2018 +0200
+++ b/src/hotspot/share/gc/shared/cardTableBarrierSet.inline.hpp	Mon May 07 10:36:38 2018 +0200
@@ -32,9 +32,8 @@
 template <DecoratorSet decorators, typename T>
 inline void CardTableBarrierSet::write_ref_field_post(T* field, oop newVal) {
   volatile jbyte* byte = _card_table->byte_for(field);
-  if (UseConcMarkSweepGC) {
-    // Perform a releasing store if using CMS so that it may
-    // scan and clear the cards concurrently during pre-cleaning.
+  if (_card_table->scanned_concurrently()) {
+    // Perform a releasing store if the card table is scanned concurrently
     OrderAccess::release_store(byte, CardTable::dirty_card_val());
   } else {
     *byte = CardTable::dirty_card_val();
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