hg: jdk7/hotspot/hotspot: 4 new changesets

[jon.masamitsu at oracle.com]

Changeset: f16f1d7893de
Author:    johnc
Date:      2010-05-24 17:11 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/f16f1d7893de

6941378: G1: change default value of G1UseFixedWindowMMUTracker to true
Summary: Rather than changing the default value of the G1UseFixedWindowMMUTracker, the flag and associated guarantee have been removed.
Reviewed-by: jcoomes, tonyp, ysr

! src/share/vm/gc_implementation/g1/g1MMUTracker.cpp
! src/share/vm/gc_implementation/g1/g1_globals.hpp

Changeset: 5b77884bd4b7
Author:    jcoomes
Date:      2010-05-27 13:09 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/5b77884bd4b7

6956472: test/runtime/6888954/vmerrors.sh uses ksh-specific syntax
Reviewed-by: jmelvin, kvn

! test/runtime/6888954/vmerrors.sh

Changeset: 2458a1f25356
Author:    johnc
Date:      2010-06-07 17:46 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/2458a1f25356

6953058: G1: A bigapp crashes with SIGSEGV in compiled code
Summary: In C2's G1 post write barrier, the loads of the buffer and index fields from the DirtyCardQueue structure may be moved across a safepoint. Use the current value of "control" in the C2 IR to limit how far these loads can move.
Reviewed-by: never, iveresov, kvn

! src/share/vm/opto/graphKit.cpp

Changeset: b9bc732be7c0
Author:    jmasa
Date:      2010-06-10 08:27 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/b9bc732be7c0

Merge

! src/share/vm/gc_implementation/g1/g1MMUTracker.cpp
! src/share/vm/gc_implementation/g1/g1_globals.hpp
! src/share/vm/opto/graphKit.cpp