Summary: Parallelize card redirtying to decrease the time it takes.
Reviewed-by: brutisso

Summary: G1 does not retire allocation buffers after reference processing work when -XX:+ParallelRefProcEnabled is enabled. This causes wrong calculation of PLAB sizes, as the amount of space wasted is not updated correctly.
Reviewed-by: brutisso

Summary: The mentioned method is never used and out of date. So it is removed.
Reviewed-by: mgerdin, brutisso

Summary: After changes to the PerRegionTable where all these PRTs are linked together in an additional field, simplify iterating over all PRTs by using these links instead of walki
Reviewed-by: mgerdin, jwilhelm, brutisso

Summary: Instead of using a manually managed array for the in_cset_fast_test array, use a G1BiasedArray instance.
Reviewed-by: brutisso, mgerdin

8038930: G1CodeRootSet::test fails with assert(_num_chunks_handed_out == 0) failed: No elements must have been handed out yet
Summary: The test incorrectly assumed that it had been started with no other previous compilation activity. Fix this by allowing multiple code root free chunk lists, and use one separate from the global one to perform the test.
Reviewed-by: brutisso

Reviewed-by: brutisso, stefank, dholmes, rdurbin

Reviewed-by: jcoomes

Reviewed-by: kvn, jrose

Reviewed-by: brutisso, sjohanss

Summary: prefer <sys/ptrace.h> over <linux/ptrace.h>
Reviewed-by: sla, mikael
Contributed-by: kim.barrett@oracle.com

8033626: assert(ex_map->jvms()->same_calls_as(_exceptions->jvms())) failed: all collected exceptions must come from the same place
Reviewed-by: kvn, roland

Reviewed-by: jcoomes

Summary: Place new nodes on the previous loop exit in reorg_offsets().
Reviewed-by: roland

Summary: Added a new header waiting pattern to catch the case where the target thread waiting on a condition (like a VM op); several other test improvements
Reviewed-by: sspitsyn, dholmes

Reviewed-by: stefank, jmasa

Summary: Add missing check for Opaque nodes from loop predicates in clone_loop().
Reviewed-by: iveresov

Summary: Prevent from running with Xcomp
Reviewed-by: kvn, twisti

Summary: Add a !owner check for 'waiting to lock' to catch current_pending_monitor corner cases.
Reviewed-by: dholmes, sspitsyn, kmo, zgu
Contributed-by: rednaxelafx@gmail.com, zhengyu.gu@oracle.com, daniel.daugherty@oracle.com

Summary: Access to method_type and appendix from constant pool (cpcache) needs to be guarded by is_f1_null() because of racy update/initialization.
Reviewed-by: kvn, coleenp, jrose

Summary: Removed all write barriers during reference processing and added explicit write barriers when iterating through the discovered list.
Reviewed-by: pliden, jmasa, tschatzl

Summary: long series of lambda form calls trigger stack overflow in c2
Reviewed-by: kvn, vlivanov