8159422: Very high Concurrent Mark mark stack contention
Summary: Decrease contention on mark stack by splitting locks, and minimizing the amount of time these locks are held. Improve mark stack management.
Reviewed-by: kbarrett, mgerdin, eosterlund

8151386: Extract card live data out of G1ConcurrentMark
Summary: Move card live data management out of G1ConcurrentMark into extra class G1CardLiveData managed by G1RemSet
Reviewed-by: mgerdin, kbarrett

8148973: Rename g1/concurrentMark.{hpp,cpp,inline.hpp} to g1/g1ConcurrentMark.{hpp,cpp,inline.hpp}
Reviewed-by: tschatzl, mgerdin

8146395: Add inline qualifier in oop.hpp and fix inlining in gc files
Summary: Fix remaining issues after 8146401. Also fix windows VS2010 linkage problem (g1OopClosures.hpp).
Reviewed-by: stefank, mgerdin

8144701: Change three G1 remembererd set closures to be OopClosures
Reviewed-by: mgerdin, stefank

8144584: Change FilterIntoCSClosure to inherit OopClosure
Reviewed-by: kbarrett, mgerdin

8144505: Change G1ParCopyHelper to inherit OopClosure
Reviewed-by: mgerdin, stefank

8144486: Change G1UpdateRSOrPushRefOopClosure to inherit OopClosure
Reviewed-by: mgerdin, stefank

8144714: Add extension point to G1 evacuation closures
Reviewed-by: ehelin, jmasa

8142399: G1ParCopyClosure does not need do_oop_work
Reviewed-by: stefank, tschatzl

8139341: Hide ExtendedOopClosure::_ref_processor
Summary: Make ExtendedOopClosure::_ref_processor private.
Reviewed-by: mgerdin, sjohanss

8139200: Eliminate G1ParClosureSuper::_worker_id
Summary: Moved _worker_id from G1ParClosureSuper to G1ParCopyHelper.
Reviewed-by: mgerdin, tschatzl

8138762: Refactor setup of evacuation closures in G1
Summary: Introduce policy class containing the root scan closures.
Reviewed-by: ehelin, stefank

8134509: G1ParCopyClosure does not need a ReferenceProcessor
Reviewed-by: stefank, mgerdin

8040162: Avoid reallocating PLABs between GC phases in G1
Summary: Allocate G1ParScanThreadState at the start of GC and only deallocate at the end of GC. This automatically keeps the current PLAB intact without flushing it (and loosing lots of memory) for every reallocation.
Reviewed-by: david, mgerdin

8004687: G1: Parallelize object self-forwarding and scanning during an evacuation failure
Summary: Use the regular task queue during evacuation failure and allow per-thread preserved header queues to remove the global lock during evacuation failure.
Reviewed-by: mgerdin, jmasa
Contributed-by: Walter Florian Gugenberger <walter.gugenberger@gmail.com>

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david