hg: jdk7/hotspot/hotspot: 3 new changesets

[bengt.rutisson at oracle.com]

Changeset: 2aa9ddbb9e60
Author:    jmasa
Date:      2011-05-03 10:30 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/2aa9ddbb9e60

7041789: 30% perf regression with c2/arm following 7017732
Summary: Implement a more accurate is_scavengable()
Reviewed-by: stefank, jcoomes, ysr

! src/share/vm/code/nmethod.cpp
! src/share/vm/code/nmethod.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
! src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp
! src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp
! src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp
! src/share/vm/gc_interface/collectedHeap.hpp
! src/share/vm/memory/genCollectedHeap.cpp
! src/share/vm/memory/genCollectedHeap.hpp
! src/share/vm/memory/sharedHeap.cpp
! src/share/vm/oops/instanceRefKlass.cpp

Changeset: 69293e516993
Author:    johnc
Date:      2011-05-17 00:56 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/69293e516993

7041440: G1: assert(obj->is_oop_or_null(true )) failed: Error #
Summary: During an evacuation pause clear the region fields of any concurrent marking task whose local finger points into the collection set as the values in the region fields will become stale. Clearing these fields causes the concurrent mark task to claim a new region when marking restarts after the pause.
Reviewed-by: tonyp, iveresov

! src/share/vm/gc_implementation/g1/concurrentMark.cpp
! src/share/vm/gc_implementation/g1/concurrentMark.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp

Changeset: ea4859d7fee7
Author:    brutisso
Date:      2011-05-18 13:19 +0200
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/ea4859d7fee7

Merge