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diff src/share/vm/opto/runtime.hpp @ 1027:39b01ab7035a

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6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning 6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks) Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers(). Reviewed-by: jcoomes, kvn, never
author ysr
date Fri, 16 Oct 2009 02:05:46 -0700
parents 37f87013dfd8
children 7b0e9cba0307
line wrap: on
line diff
--- a/src/share/vm/opto/runtime.hpp	Wed Oct 07 19:01:55 2009 -0400
+++ b/src/share/vm/opto/runtime.hpp	Fri Oct 16 02:05:46 2009 -0700
@@ -133,8 +133,8 @@
   // Allocate storage for a objArray or typeArray
   static void new_array_C(klassOopDesc* array_klass, int len, JavaThread *thread);
 
-  // Post-allocation step for implementing ReduceInitialCardMarks:
-  static void do_eager_card_mark(JavaThread* thread);
+  // Post-slow-path-allocation step for implementing ReduceInitialCardMarks:
+  static void maybe_defer_card_mark(JavaThread* thread);
 
   // Allocate storage for a multi-dimensional arrays
   // Note: needs to be fixed for arbitrary number of dimensions