hg: shenandoah/jdk9/hotspot: 3 new changesets

[ashipile at redhat.com]

Changeset: 5378d0f81a82
Author:    shade
Date:      2017-09-05 22:32 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/5378d0f81a82

[backport] Disable biased locking by default

! src/share/vm/runtime/arguments.cpp

Changeset: c16a1b9f65f9
Author:    shade
Date:      2017-09-05 22:33 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/c16a1b9f65f9

[backport] Avoid Full STW GC on System.gc()

! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/runtime/arguments.cpp

Changeset: 4681192b98b3
Author:    shade
Date:      2017-09-05 22:38 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/4681192b98b3

[backport] Avoid Full STW GC on System.gc()

+ test/gc/shenandoah/options/TestExplicitGC.java