8049304: race between VM_Exit and _sync_FutileWakeups->inc() Summary: Add PerfDataManager.has_PerfData() to indicate when PerfData objects should be safe to query. Update Java monitor PerfData usage to check the new flag. PerfDataManager::destroy() should only be called at a safepoint and when the StatSampler is not active. Reviewed-by: kbarrett, dholmes, tbenson, bdelsart

8134972: [BACKOUT] GC: implement ranges (optionally constraints) for those flags that have them missing Reviewed-by: jwilhelm

8134806: Clean up write_ref_field_work Summary: Remove unnecessary pure virtual decl and default argument values. Reviewed-by: jwilhelm, tbenson, jmasa

Merge

8134856: Incorrect use of PLAB::min_size() in MaxPLABSizeBounds Reviewed-by: jwilhelm, tbenson

8134858: Remove G1 specific checking of Young/OldPLABSize in G1CollectorPolicy constructor Summary: Remove obsolete and wrong code. Reviewed-by: mgerdin, brutisso

8066443: Add G1 support for promotion event Reviewed-by: tschatzl

8133818: Additional number of processed references printed with -XX:+PrintReferenceGC after JDK-8047125 Summary: Test contributed by brutisso Reviewed-by: tonyp, tschatzl

8129417: Oop iteration clean-up to remove oop_ms_follow_contents Reviewed-by: pliden, ehelin

8134161: JVM is creating too many GC helper threads on T7/M7 linux/sparc platform Summary: Recognize the T7/M7 platform. Reviewed-by: dcubed, kvn, jmasa

Merge

8134738: Remove CollectorPolicy::Name Reviewed-by: brutisso, mgerdin

8067341: Modify PLAB sizing algorithm to waste less Summary: Change the G1 PLAB resizing algorithm to waste less memory by being more conservative about the PLAB sizes. Reviewed-by: ecaspole, jmasa

8078555: GC: implement ranges (optionally constraints) for those flags that have them missing Summary: Add ranges and constraint functions for GC flags. Reviewed-by: jmasa, kbarrett, gziemski, ddmitriev, drwhite

Merge

Merge

8131330: G1CollectedHeap::verify_dirty_young_list fails with assert Summary: Use assembly loop to avoid compiler optimization into memset Reviewed-by: ecaspole, tschatzl

Merge

8072817: CardTableExtension kind() should be BarrierSet::CardTableExtension Summary: Use BarrierSet::CardTableForRS where needed, and update concrete bs tags. Reviewed-by: jwilhelm, jmasa

8132725: Memory leak in Arguments::add_property function Summary: Logic in add_property was rewritten to avoid memory leak Reviewed-by: iklam, coleenp

Merge

8134157: adlc fails to compile with SS12u4 Reviewed-by: dholmes, kbarrett, ihse

8134509: G1ParCopyClosure does not need a ReferenceProcessor Reviewed-by: stefank, mgerdin

8134504: Remove usage of EvacuationInfo from G1CollectorPolicy Reviewed-by: mgerdin, jwilhelm

8133646: Internal Error: x86/vm/macroAssembler_x86.cpp:886 DEBUG MESSAGE: StubRoutines::call_stub: threads must correspond Reviewed-by: kvn, coleenp, dcubed

8131734: assert(!is_null(v)) failed: narrow klass value can never be zero with -Xshared:auto Summary: Handle shared string mapping failures. Reviewed-by: tschatzl, kbarrett, ddmitriev, hseigel Contributed-by: tom.benson@oracle.com, jiangli.zhou@oracle.com

Merge

8132708: Add tests for Humongous objects allocation threshold Summary: Added the test which checks that Humongous objects allocation threshold works as expected Reviewed-by: tschatzl, dfazunen

Merge

8134239: compiler/arguments/CheckCICompilerCount.java still fails Summary: Compiler team updated the test by adding a new test case, but due to merging timing it was still using the old constraint error message format, which needed updating Reviewed-by: ctornqvi, hseigel

Merge

8133561: linux thread id should be reported in decimal in the error reports now Summary: linux thread id error reports changed back to decimal Reviewed-by: hseigel, ctornqvi, coleenp Contributed-by: rachel.protacio@oracle.com