8183542: Factor out serial GC specific code from GenCollectedHeap into its own subclass Reviewed-by: kbarrett, jgeorge

8185925: StackFrameInfo::walker field can be replaced with bitmap to save footprint 8153682: StackFrameInfo.declaringClass could be removed Reviewed-by: coleenp, mchung

8190711: Assert in G1MMUTracker due to concurrent modification Reviewed-by: tschatzl, rehn, sangheki

8189798: SA cleanup - part 1 Summary: Avoid varible redefinitions in SA, modify SA varible names to match hotspot ones Reviewed-by: sspitsyn, coleenp, sballal

8190881: [TESTBUG] test.runtime.ErrorHandling.TestOnError comment is incomplete Reviewed-by: iignatyev

8189213: [TESTBUG] Running jtreg tests on machine without docker shows extra message Summary: Removed the message from VMProps.java Reviewed-by: dholmes

Merge

8190570: Zero fails to build on linux-sparc due undefined reference Reviewed-by: coleenp

8186778: Make obsolete VM options for shared region size control Summary: Obsoleted SharedReadOnlySize, SharedMiscCodeSize, SharedMiscDataSize and SharedReadWriteSize Reviewed-by: dholmes

8190887: Stub code marking missing from some x86 generated stub routines Reviewed-by: kvn

8190890: remove hotspot_tier1_{compiler,gc}_closed groups Reviewed-by: ehelin, lmesnik

8189864: Provide an ascii map to visualize metaspace fragmentation Reviewed-by: goetz, coleenp

8044122: MBean access to the PID Summary: Added new API getPid for getting process ID Reviewed-by: mchung, rriggs Contributed-by: ujwal.vangapally@oracle.com

8190865: Require jtreg 4.2 b10 Reviewed-by: dcubed, erikj

8189840: CheckCachedResolvedReferencesApp has no cached resolved references Summary: Add WhiteBox.areOpenArchiveHeapObjectsMapped() for CheckCachedResolvedReferencesApp to check and skip test when open archive heap objects are not mapped. Reviewed-by: iklam, ccheung

8059334: nsk/jvmti/scenarios/hotswap/HS201/hs201t001 fails with exit code 0 after timeout Summary: check if we are in "interp only" mode before returning an nm for an OSR request Reviewed-by: sspitsyn, dcubed, kvn

Merge

8189688: NMT: Report per-class load metadata information Summary: Report per-class loader metadata info via NMT jcmd metadata sub-command Reviewed-by: stuefe, coleenp

8190283: Default heap sizing options select a MaxHeapSize larger than available physical memory in some cases Reviewed-by: tschatzl, sjohanss

8190703: TestSystemGCWith* infrequently times out on SPARC Summary: Give the test a timeout after which it ends on its own. Reviewed-by: shade, sjohanss

8152470: Add COMPILER2_OR_JVMCI definition Summary: defined(COMPILER2) || INCLUDE_JVMCI changed replaced with COMPILER2_OR_JVMCI Reviewed-by: kvn

8190710: Update Graal Reviewed-by: kvn

8184206: Resolve all string constants in shared classes at CDS dump time Summary: Change ConstantPool::resolve_class_constants() to resolve all string constants. Reviewed-by: iklam, coleenp

8187315: [JVMCI] hosted use of JVMCI can crash VM under -Xint Reviewed-by: kvn, dlong

8190781: ppc64 + s390: Fix CriticalJNINatives Reviewed-by: goetz

8188102: [JVMCI] Convert special JVMCI oops in nmethod to jweak values Reviewed-by: never, kvn, kbarrett

8186478: [JVMCI] rename HotSpotResolvedJavaMethod#setNotInlineableOrCompileable Reviewed-by: kvn, thartmann

Merge

Merge

8140255: Move the management of G1YoungRemSetSamplingThread from G1ConcurrentRefine Reviewed-by: sjohanss, sangheki

8149127: Rename g1/concurrentMarkThread.* to g1/g1ConcurrentMarkThread.* Reviewed-by: sjohanss, sangheki

8163011: AArch64: NMT detail stack trace cleanup Summary: Makes aarch64 behavior similar to x86 one Reviewed-by: aph, drwhite

8167409: Invalid value passed to critical JNI function Summary: the tmp reg used to break the shuffling cycle (handled in ComputeMoveOrder) is set to 64 bit. Reviewed-by: dlong

8186502: Assert when range testing G1RefProcDrainInterval on 64-bit systems Reviewed-by: sjohanss, sangheki

8190415: [JVMCI] JVMCIRuntime::adjust_comp_level must not swallow ThreadDeath Reviewed-by: never, thartmann

8190353: [Testbug] test/hotspot/jtreg/gc/logging/TestPrintReferences.java can still fail Reviewed-by: sangheki, eosterlund

Merge

8167408: Invalid critical JNI function lookup Summary: made correction to arg_size calculation in NativeLookup::lookup_critical_entry Reviewed-by: dholmes, dlong, mdoerr, vlivanov

8177397: [JVMCI] remove unnecessary synchronization Reviewed-by: thartmann, kvn

8190745: AARCH64: fix for JDK-8189176 may break a build Summary: Add missed semicolon Reviewed-by: dsamersoff

8189440: Event tracing macros for allocation and weak oops processing Reviewed-by: dholmes, mgronlun

8189425: Minor updates in support of closed changes Reviewed-by: mgronlun, dholmes

8189731: Disable CFLH when there are no transformers Summary: Enable CFLH only when there are transformers Reviewed-by: sspitsyn, alanb Contributed-by: ben_walsh@uk.ibm.com

8187347: Do not abort CDS archive creation when some classes are unverifiable Summary: deprecating the IgnoreUnverifiableClassesDuringDump vm option in JDK10 and set its default value to true Reviewed-by: dholmes, jiangli

8190617: test/jdk/sun/tools/jhsdb/BasicLauncherTest.java fails Summary: change type expected by SA for PerfMemory::_initialize to int. Reviewed-by: dholmes, sspitsyn

8184765: Dynamically resize SystemDictionary Summary: Implemented dynamic resizing, which triggers when load factor is too high Reviewed-by: coleenp, rehn

8189176: AARCH64: Improve _updateBytesCRC32 intrinsic Reviewed-by: aph

8172232: SPARC ISA/CPU feature detection is broken/insufficient (on Linux). Summary: Reimplementation extending feature detection to SPARC Core C3&C4. Reviewed-by: kvn, neliasso