8075210: Refactor strong root processing in order to allow G1 to evolve separately from GenCollectedHeap
Summary: Create a G1RootProcessor and move SharedHeap root processing to GenCollectedHeap
Reviewed-by: brutisso, tschatzl, ehelin

Summary: Add Resource/HandleMark in the work() method of some AbstractGangTask to reclaim these resources earlier.
Reviewed-by: tschatzl, goetz

Summary: Add Resource/HandleMark in the work() method of some AbstractGangTask to reclaim these resources earlier.
Reviewed-by: tschatzl, goetz

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

Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

Reviewed-by: ehelin, mgerdin

8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti

Summary: Only prune metaspace virtual spaces at safepoint so walking them is safe outside a safepoint.
Reviewed-by: mgerdin, mgronlun, hseigel, stefank

Reviewed-by: mgerdin, brutisso
Contributed-by: michal@frajt.eu

Reviewed-by: tschatzl, stefank

Reviewed-by: tschatzl, mgerdin, jmasa

Reviewed-by: stefank, mgerdin, coleenp, egahlin

Reviewed-by: dholmes, kvn, stefank, twisti

Reviewed-by: jwilhelm, ehelin, tschatzl

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

Reviewed-by: dholmes, egahlin

Reviewed-by: brutisso, stefank, ahgross

Reviewed-by: brutisso, tschatzl, mgerdin

8024954: CMS: CMSClassUnloadingMaxInterval is not implemented correctly. This change is also part of the fix for 8024483.
Reviewed-by: mgerdin, brutisso, tschatzl
Contributed-by: jwha@google.com

Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@oracle.com

Reviewed-by: ysr, mgerdin

Reviewed-by: ysr, hiroshi

Reviewed-by: coleenp, mgerdin, hseigel

Reviewed-by: rasbold, tschatzl, jmasa
Contributed-by: yamauchi@google.com

6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
Reviewed-by: rasbold, tschatzl, jmasa
Contributed-by: yamauchi@google.com

Summary: Remove -Xaprof and Klass::_alloc_count & ArrayKlass::_alloc_size.
Reviewed-by: stefank, coleenp

Reviewed-by: acorn, coleenp, sla
Contributed-by: NKaren Kinnear &lt;karen.kinnear@oracle.com&gt;, Bengt Rutisson &lt;bengt.rutisson@oracle.com&gt;, Calvin Cheung &lt;calvin.cheung@oracle.com&gt;, Erik Gahlin &lt;erik.gahlin@oracle.com&gt;, Erik Helin &lt;erik.helin@oracle.com&gt;, Jesper Wilhelmsson &lt;jesper.wilhelmsson@oracle.com&gt;, Keith McGuigan &lt;keith.mcguigan@oracle.com&gt;, Mattias Tobiasson &lt;mattias.tobiasson@oracle.com&gt;, Markus Gronlund &lt;markus.gronlund@oracle.com&gt;, Mikael Auno &lt;mikael.auno@oracle.com&gt;, Nils Eliasson &lt;nils.eliasson@oracle.com&gt;, Nils Loodin &lt;nils.loodin@oracle.com&gt;, Rickard Backman &lt;rickard.backman@oracle.com&gt;, Staffan Larsen &lt;staffan.larsen@oracle.com&gt;, Stefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

Summary: Pad the PSPromotionManager instances in the manager array.
Reviewed-by: brutisso, jmasa

Reviewed-by: jwilhelm, jmasa, tschatzl

Summary: Move date stamp logic into GCTraceTime
Reviewed-by: brutisso, tschatzl

Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.
Reviewed-by: jmasa, brutisso

Reviewed-by: mgerdin, johnc, tschatzl

8013032: CMS: assert(used() == used_after_gc && used_after_gc <= capacity()) failed: used: 0 used_after_gc: 292080 capacity: 1431699456
Reviewed-by: tschatzl, mgerdin, johnc

Reviewed-by: coleenp, mgerdin

Reviewed-by: johnc, brutisso

Summary: remove JPRT debug builds, remove -DDEBUG -DFASTDEBUG and use ASSERT instead in sources
Reviewed-by: dholmes, kvn, coleenp

Reviewed-by: brutisso, jmasa

8005602: NPG: classunloading does not happen while CMS GC with -XX:+CMSClassUnloadingEnabled is used
Summary: Call purge() on CLDG after sweep(), reorder purge() call in GenCollectedHeap
Reviewed-by: jmasa, stefank

Summary: Print the concurrent phase start markers for CMS when PrintGCDetails is enabled, not only if both PrintGCDetails and PrintGCTimeStamps are.
Reviewed-by: mgerdin, jmasa

8009723: CMS logs "concurrent mode failure" twice when using (disabling) -XX:-UseCMSCompactAtFullCollection
Reviewed-by: jwilhelm, ehelin, brutisso