8231737: Cleanup JvmtiRawMonitor code Reviewed-by: sspitsyn, pliden, coleenp, dcubed

8231153: Improve concurrent refinement statistics 8043505: G1RemSet::_conc_refine_cards is incremented unsynchronized Summary: Added refinement rates and counts, removed _conc_refine_cards Reviewed-by: tschatzl, sjohanss

8232006: Remove dead code from klassVtable Reviewed-by: coleenp, jiangli, lfoltan

8199136: Dead code in src/jdk.jcmd/share/classes/sun/tools/common/ProcessArgumentMatcher.java Reviewed-by: dholmes, dtitov Contributed-by: mandrikov@gmail.com

8225681: vmTestbase/nsk/jvmti/RedefineClasses/StressRedefine fails due a) MT-unsafe modification of inline cache Summary: allow old methods in CompiledStaticDirectCall::set_to_interpreted Reviewed-by: sspitsyn, eosterlund

8231666: ThreadIdTable::grow() invokes invalid thread transition Reviewed-by: dholmes, rehn

8170299: Debugger does not stop inside the low memory notifications code Reviewed-by: sspitsyn, dholmes

8222829: DatagramSocket.setSoTimeout does not specify IAE when timeout is negative Summary: Clarifies behaviour of setSoTimeout() method when given negative timeout value. Reviewed-by: alanb, chegar, dfuchs

8230946: Clarify security manager behaviour of a connected DatagramSocket and DatagramChannel Summary: Update to API, to clarify that packets are dropped in the receive method of non-connected sockets if they fail the security manager checks Reviewed-by: alanb, chegar, dfuchs

8230162: ScopeImpl.remove() has O(N) performance Reviewed-by: jlahoda Contributed-by: bcorso@google.com

8231993: Remove redundant pkg_str param from is_shared_class_visible_for_classloader Reviewed-by: hseigel, coleenp

Improve logging for TestLargeRootSet.java

8231931: [TESTBUG] serviceability/sa/TestUniverse.java looks for wrong string with Shenandoah Reviewed-by: rkennke

8231921: (se) SelectorImpl.register does not need to set the attachment when it is null Reviewed-by: bpb

Merge

Merge default

8231355: Remove unused utility methods in libjava Reviewed-by: dholmes, jrose, alanb

8231753: use more Posix functionality in aix os::print_os_info Reviewed-by: clanger, dholmes

8231751: on aix handle Power 9 in os::get_summary_cpu_info Reviewed-by: clanger, mdoerr

8231977: Discuss serializability of collections Reviewed-by: darcy, plevart, chegar

8229243: SunPKCS11-Solaris provider tests failing on Solaris 11.4 Summary: For CK_GCM_PARAMS, try the spec definition first before falling back to the header file definition Reviewed-by: xuelei

8231289: Disentangle JvmtiRawMonitor from ObjectMonitor and clean it up Reviewed-by: sspitsyn, dcubed, coleenp

8231902: Build of jdk.internal.vm.compiler.management/module-info.java.extra failed Reviewed-by: kvn, ihse, erikj

8231630: Optimize boot loader with no bootclasspath append entry. Summary: Optimize SystemDictionary::load_instance_class for boot loader. Immediately return NULL if the requested class is either in the unnamed package or unnamed module, or in a module not defined to the boot loader, when there is no bootclasspath append entry. Reviewed-by: martin, aeubanks, dthomson, redestad, lfoltan, iklam

TestRecursive with Recording::start()

Stabilize TestLargeRootSet.java

8231946: Remove obsolete and unused ShenandoahVerifyObjectEquals flag Reviewed-by: rkennke

8231932: Shenandoah: conc/par GC threads ergonomics overrides user settings Reviewed-by: rkennke

8230043: Lazily load libverify 8230140: Remove unused mutex and monitor declarations Reviewed-by: hseigel, erikj, alanb, dholmes

8225694: Destination option missing in FlightRecorderMXBeanImpl Reviewed-by: egahlin

8229900: RedefineDeleteJmethod.java fails with -Xcheck:jni Summary: Remove RedefineClasses adjustment and test, but improve checking for method/class matching. Reviewed-by: dholmes, sspitsyn

Merge