Merge

Merge

Merge

8028391: Make the Min/MaxHeapFreeRatio flags manageable Summary: Made the flags Min- and MaxHeapFreeRatio manageable, and implemented support for these flags in ParallalGC. Reviewed-by: sla, mgerdin, brutisso

8031290: Adjust call to getisax() for additional words returned Reviewed-by: kvn, iveresov, twisti

8031686: G1: assert(_hrs.max_length() == _expansion_regions) failed Summary: Using pointer_delta to avoid overflowing pointer calculation. Reviewed-by: jmasa, tschatzl

8030177: G1: Enable TLAB resizing Reviewed-by: tschatzl, stefank, jmasa

8025856: Fix typos in the GC code Summary: Fix about 440 typos in comments in the VM code Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes

8032379: Remove the is_scavenging flag to process_strong_roots Summary: Refactor the strong root processing to avoid using a boolean in addition to the ScanOption enum. Reviewed-by: stefank, tschatzl, ehelin, jmasa

8020277: Young GC could be extremely slow due to assertion in ObjectStartArray::object_starts_in_range 8009462: Young GC's (ParNewGC and SerialGC) have unexpected variances. Summary: Removed the assertion slowing down GC. Reviewed-by: stefank, mgerdin

8031776: Remove the unnecessary enum GenRemSet::Name Reviewed-by: stefank, tschatzl, jwilhelm

8027746: Remove do_gen_barrier template parameter in G1ParCopyClosure Summary: Remove the above mentioned template parameter and related unused code. Also remove some classes that are never used. Reviewed-by: stefank, mgerdin, jwilhelm

8027454: Do not traverse string table during G1 remark when treating them as strong roots during initial mark Summary: Do not try to unlink string table entries unconditionally during remark. This is without side effects as the preceding initial mark always uses the string table as strong roots. Needs to be fixed with class unloading during concurrent mark. Reviewed-by: brutisso, mgerdin

8027476: Improve performance of Stringtable unlink 8027455: Improve symbol table scan times during gc pauses Summary: Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set. Reviewed-by: mgerdin, coleenp, brutisso

Merge

Merge

8032827: NMT: missing virtual memory tagging in os::workaround_expand_exec_shield_cs_limit() Summary: Fixed missing virtual memory type tagging in os::workaround_expand_exec_shield_cs_limit() function Reviewed-by: hseigel, coleenp

Merge

7010732: SA_ALTROOT only works if running the SA tools from their build directory. Summary: fixed SA packaging scripts Reviewed-by: sla, kevinw

8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR Summary: Clean up initialization from Threads::create_vm() so that exceptions cause vm_exit_during_initialzation without an exception mark. Reviewed-by: dholmes, hseigel

7015395: [TESTBUG] runtime/6626217/Test6626217.sh fails if compilation happens fast enough for timestamps to be equal. Summary: Insert 2 second sleep between copying of the src files and the compilation, to make sure the timestamps of *.class files are in the future of *.java files. Reviewed-by: coleenp, fparain

8032662: test/compiler/ciReplay/TestSA.sh should report ulimit issues Reviewed-by: kvn, iignatyev Contributed-by: stefan.sarne@oracle.com

8032247: SA: Constantpool lookup for invokedynamic is not implemented Summary: implement constant pool lookup for invokedynamic Reviewed-by: sla, sspitsyn

Merge

8028553: The JVM should not throw VerifyError when 'overriding' a static final method in a superclass. Summary: Check if method is static before throwing exception. Reviewed-by: kamg, coleenp, lfoltan, fparain

8028280: ParkEvent leak when running modified runThese which only loads classes Summary: Use spin lock to manage ParkEvent and PlatformEvent free lists. Reviewed-by: dholmes, fparain

8031427: AllocObject and Unsafe.allocateInstance segfault for primitive types Summary: The fix just throws an InstantiationException if the Klass is NULL. Reviewed-by: coleenp, twisti, jrose Contributed-by: gdub <duboscq@ssw.jku.at>

Merge

6651256: jstack: DeleteGlobalRef method call doesn't lead to descreasing of global refs count shown by jstack Summary: jni_DeleteGlobalRef does not really release the jni handle, instead, set the handle point to JNIHandles::_deleted_handle which holds an oop instance (java/lang/Object) in Java heap and never be GC'ed. When counting number of global reference, it counts all the handles on the chain list, which includes the already deleted ones. Reviewed-by: zgu, sla, coleenp Contributed-by: yumin.qi@oracle.com

8032466: serviceability/sa/jmap-hashcode/Test8028623.java fails with compilation errors Reviewed-by: dsamersoff, sla

8031968: Mac OS X: VM starts the agent by calling both Agent_OnAttach and Agent_OnAttach_L functions if its agent library is dynamically linked. Summary: Make sure we only look for statically linked agents in the main process image Reviewed-by: dsamersoff, bpittore, dcubed

8032250: Add trace event for VM flag changes Reviewed-by: coleenp, ehelin, egahlin, mgronlun

Merge

8028623: SA: hash codes in SymbolTable mismatching java_lang_String::hash_code for extended characters. Reviewed-by: sla, dsamersoff

Merge

8032024: Test not added for bug 8025937: assert(existing_f1 == NULL || existing_f1 == f1) failed: illegal field,change Summary: Test didn't get hg added with original bug fix Reviewed-by: jrose, hseigel, lfoltan

Merge

8031045: Access checks should precede additional per-instruction checks Summary: Move access check above the check for non-static method Reviewed-by: lfoltan, coleenp

8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1 Reviewed-by: coleenp, sspitsyn, dsamersoff

8030027: nsk/jvmti/scenarios/hotswap/HS101/hs101t006 Crashed the vm on Linux-amd64: SIGSEGV in JavaThread::last_java_vframe(RegisterMap*)+0xfa Summary: Add a safe guard to VMOp_GetCurrentLocation against non-walkable stack of target thread exiting from Java execution Reviewed-by: mgronlun, dholmes, sla, dcubed Contributed-by: serguei.spitsyn@oracle.com

8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message Summary: clarifying the error messages associated with vm options of type diagnostic, experimental, develop, and notproduct Reviewed-by: kvn, twisti, ctornqvi

8031151: Add basic CDS tests Summary: Added new tests to cover missing CDS basic funtions Reviewed-by: zgu, hseigel

6945460: [TESTBUG] runtime/6929067/Test6929067.sh Summary: Change link order for the test Reviewed-by: coleenp, mgerdin

Merge

8031695: CHA ignores default methods during analysis leading to incorrect code generation Reviewed-by: jrose, acorn, hseigel, lfoltan

8031743: C2: loadI2L_immI broken for negative memory values Summary: Restrict loadI2L_imm optimizations to positive values of mask Reviewed-by: kvn, dlong

8032207: C2: assert(VerifyOops || MachNode::size(ra_) <= (3+1)*4) failed: bad fixed size Summary: Fix the sizing of loadUS2L_immI16 and loadI2L_immI Reviewed-by: kvn, azeemj

Merge

Merge

Merge

8022395: java.util.zip.ZipException: Not in GZIP format in JT_JDK/test/java/util/zip/GZIP tests Reviewed-by: kvn, iveresov

Merge

7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times Summary: Avoid verifying dependencies multiple times by caching verified dependencies Reviewed-by: kvn, twisti, roland

8002074: Support for AES on SPARC Summary: Add intrinsics/stub routines support for single-block and multi-block (as used by Cipher Block Chaining mode) AES encryption and decryption operations on the SPARC platform. Reviewed-by: kvn, roland Contributed-by: shrinivas.joshi@oracle.com

8026253: New type profiling points: sparc support Summary: c1 and interpreter support for new type profiling on sparc Reviewed-by: kvn, twisti

8030662: "assert(counter_changed) failed: failed dependencies, but counter didn't change" still fails Summary: Erroneously removed call to SystemDictionary::notice_modification() from jvmti with fix for 8029383 Reviewed-by: iveresov, twisti, kvn

8028764: dtrace/hotspot_jni/ALL/ALL001 crashes the vm on Solaris-amd64, SIGSEGV in MarkSweep::follow_stack()+0x8a Summary: C1 generates code to encode compressed oop into tmp register before runtime call for patching where GC may happen Reviewed-by: iveresov, twisti, kvn Contributed-by: mgerdin <mikael.gerdin@oracle.com>

8029464: assert(ft == ttkp->cast_to_ptr_type(jtkp->ptr()) || ft->isa_narrowoop() Summary: Fix the assert check for narrow klass pointer. Reviewed-by: twisti, kvn

Merge

8031779: Assert in MetaspaceGC is always true Reviewed-by: jmasa, jwilhelm