8160399: is_oop_or_null involves undefined behavior
8164984: Improper use of is_oop in production code
Summary: replace oop->is_oop*() with oopDesc::is_oop*(oop) so this pointer can be verified
Reviewed-by: iklam, kvn, dholmes

8184348: Merge G1ConcurrentMark::par_mark() and G1ConcurrentMark::grayRoot()
Summary: Merge and simplify the use of G1ConcurrentMark::par_mark() and grayRoot()
Reviewed-by: mgerdin, shade

8183539: Remove G1RemSet::_into_cset_dirty_card_queue_set
Reviewed-by: tschatzl, mgerdin

8183397: Ensure consistent closure filtering during evacuation
Summary: Consistently apply the cross-region check for references in the various oop closures.
Reviewed-by: sjohanss, ehelin

8175554: Improve G1UpdateRSOrPushRefClosure
Summary: Micro-optimizations and improving naming for the G1UpdateRSOrPushRefClosure
Reviewed-by: ehelin, sangheki

8177707: Specialize G1RemSet::refine_card for concurrent/during safepoint refinement
Reviewed-by: ehelin, kbarrett

8071278: Fix the closure mess in G1RemSet::refine_card()
Summary: Remove the use of many nested closure in the code to refine a card.
Reviewed-by: kbarrett, sjohanss

8162104: Use in_cset() instead of obj_in_cs()
Reviewed-by: ehelin, sjohanss

8077144: Concurrent mark initialization takes too long
Summary: Remove per-marking thread liveness bitmaps and recreate liveness bitmap concurrently after the cleanup pause.
Reviewed-by: mgerdin, ehelin, kbarrett

8151499: gc/g1/g1OopClosures.inline.hpp: assert(_from->is_in_reserved(p)) failed: p is not in from
Summary: Fix wrong assertion.
Reviewed-by: tbenson, shade

8149973: Optimize object alignment check in debug builds.
Reviewed-by: coleenp, tschatzl

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

8144067: Pass obj directly to G1ParScanThreadState::update_rs
Reviewed-by: tschatzl, mgerdin

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

8139867: Change how startsHumongous and continuesHumongous regions work in G1.
Reviewed-by: tschatzl, tbenson

8141037: Remove _MARKING_VERBOSE_ from the G1 code
Reviewed-by: tschatzl, kbarrett

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

8073052: Rename and clean up the allocation manager hierarchy in g1Allocator.?pp
Summary: Fix naming of G1ParGCAllocator, decrease dependencies between G1CollectedHeap, G1Allocator and G1AllocRegion, additional documentation.
Reviewed-by: mgerdin, jmasa, kbarrett

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: stefank, dholmes, kbarrett

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