hg: ppc-aix-port/jdk7u/hotspot: 8050972: Concurrency problem in PcDesc cache

[goetz.lindenmaier at sap.com]

Changeset: 43843e59dcea
Author:    mdoerr
Date:      2014-07-17 10:21 +0200
URL:       http://hg.openjdk.java.net/ppc-aix-port/jdk7u/hotspot/rev/43843e59dcea

8050972: Concurrency problem in PcDesc cache
Summary: The entries of the PcDesc cache in nmethods are not declared as volatile, but they are accessed and modified by several threads concurrently.
Reviewed-by: kvn, dholmes

! src/share/vm/code/nmethod.hpp