hg: shenandoah/jdk8u/hotspot: 2 new changesets

[ashipile at redhat.com]

Changeset: 9fbc605625d2
Author:    shade
Date:      2017-06-07 10:07 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/9fbc605625d2

[backport] Reference processing deadlocks with -ParallelRefProcEnabled

! src/share/vm/gc_implementation/shenandoah/shenandoahConcurrentMark.cpp
+ test/gc/shenandoah/acceptance/ParallelRefprocSanity.java

Changeset: 0649a2afc00f
Author:    shade
Date:      2017-06-07 10:30 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/0649a2afc00f

[backport] Shortcut reference processing when no work is available

! src/share/vm/gc_implementation/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahConcurrentMark.hpp
! src/share/vm/memory/referenceProcessor.hpp