8201172: Parallelize Remset Tracking Update Before Rebuild phase Reviewed-by: sangheki, sjohanss

8201596: java.lang.ref.Reference processing total time logging broken Summary: Fix "Reference Processing" and add "Weak Processing" time Reviewed-by: kbarrett, sangheki

8201490: Improve concurrent mark keep alive closure performance Summary: Avoid doing marking work unless absolutely required. Reviewed-by: sjohanss, kbarrett

8201487: Do not rebalance reference processing queues if not doing parallel reference processing Reviewed-by: sangheki, kbarrett

8200730: Fix debug=gc+phases time tracking in Remark and Cleanup Summary: Timing in Remark and Cleanup pauses did not use instance variables for the scoped timing objects, so these durations were always zero. Reviewed-by: sangheki, sjohanss

8200426: Make G1 code use _g1h members Summary: Consistently use _g1h member names for cached G1CollectedHeap* variables. Reviewed-by: sangheki, sjohanss

8200723: Suppress rs_length and predicted_cards sampling during mixed gcs Summary: Due to the impact of these measurements on pause time, their high difference to other collections during mixed collections, and their non-use during mixed collections, do not use rs_length and predicted_cards measurements done during mixed gc for the predictor. This avoids the young gen sizing after the mixed phase to be negatively affected by mixed collections. Reviewed-by: kbarrett, sjohanss

8154528: Reclaim regions emptied by marking in Remark pause Reviewed-by: shade, sjohanss

8178105: Switch mark bitmaps during Remark Reviewed-by: sjohanss, sangheki

8201315: (se) Allow SelectableChannel.register to be invoked while selection operation is in progress Reviewed-by: bpb

8187490: HotSpotGraalMBean should be moved to Graal management module Reviewed-by: alanb, mchung, iveresov

8195099: Concurrent safe-memory-reclamation mechanism Summary: This implement a globalcounter with RCU semantics. Reviewed-by: acorn, coleenp, dcubed, eosterlund, gziemski, mlarsson, kbarrett, dholmes

8194260: Point-to-point interface should be excluded from java/net/ipv6tests/* Reviewed-by: chegar, vtewari

Merge

Added tag jdk-10+46 for changeset 6fa770f9f8ab

8198950: AArch64: org.openjdk.jcstress.tests.varhandles.DekkerTest fails Summary: Fix breakage to AArch64 code generation caused by JDK-8181211 Reviewed-by: thartmann, roland, kvn, vlivanov, jrose