hg: shenandoah/jdk9/hotspot: Implemented optional concurrent root scanning, enabled by experimental switch -XX:+ShenandoahConcurrentCodeRoots.

[roman at kennke.org]

Changeset: aadf8e7f4123
Author:    rkennke
Date:      2016-07-18 23:06 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/aadf8e7f4123

Implemented optional concurrent root scanning, enabled by experimental switch -XX:+ShenandoahConcurrentCodeRoots.

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahRootProcessor.cpp
! src/share/vm/gc/shenandoah/shenandoah_globals.hpp