JDK-7121140 : Allocation paths require explicit memory synchronization operations for RMO systems
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs23
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: arm
  • Submitted: 2011-12-13
  • Updated: 2013-03-05
  • Resolved: 2012-03-29
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JDK 7 JDK 8 Other
7u4Fixed 8Fixed hs23Fixed
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Description
On systems that don't implement total store ordering, a store store barrier is required after a newly allocated object is initialized (header and body) and before it becomes reachable by other threads.

Comments
EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/1dc233a8c7fe
22-03-2012

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/1dc233a8c7fe
22-12-2011

EVALUATION See description.
13-12-2011