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49 Commits

Author SHA1 Message Date
Thomas Schatzl
5e40fb6bda 8277394: Remove the use of safepoint_workers in reference processor 
Co-authored-by: Albert Mingkun Yang <ayang@openjdk.org>
Reviewed-by: ayang, iwalulya
 2025-07-03 11:43:35 +00:00
Albert Mingkun Yang
89b7d07597 8307100: Remove ReferentBasedDiscovery reference discovery policy 
Reviewed-by: kbarrett, dholmes, tschatzl
 2023-05-08 08:31:04 +00:00
Albert Mingkun Yang
7e01534590 8303467: Serial: Refactor reference processor 
Reviewed-by: tschatzl, iwalulya
 2023-03-09 13:40:10 +00:00
Johan Sjölen
1428db798c 8301224: Replace NULL with nullptr in share/gc/shared/ 
Reviewed-by: stefank, kbarrett
 2023-02-10 14:01:30 +00:00
Albert Mingkun Yang
2961b7eede 8285364: Remove REF_ enum for java.lang.ref.Reference 
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Reviewed-by: kbarrett, coleenp, stefank
 2022-06-29 13:15:19 +00:00
Magnus Ihse Bursie
4594696f54 8284903: Fix typos in hotspot 
Reviewed-by: cjplummer, coleenp, kvn, lucy, stefank
 2022-04-19 19:10:52 +00:00
Albert Mingkun Yang
8051041eb2 8277534: Remove unused ReferenceProcessor::has_discovered_references 
Reviewed-by: tschatzl
 2021-11-22 09:59:09 +00:00
Albert Mingkun Yang
77cc508802 8277215: Remove redundancy in ReferenceProcessor constructor args 
Reviewed-by: tschatzl, sjohanss
 2021-11-18 10:52:55 +00:00
Albert Mingkun Yang
4e647aa584 8275416: G1: remove unnecessary make_referent_alive in precleaning phase 
Reviewed-by: tschatzl, sjohanss
 2021-10-22 13:01:24 +00:00
Albert Mingkun Yang
4d383b9fcd 8275298: Remove unnecessary weak_oops_do call in adjust weak roots phase 
Reviewed-by: tschatzl, sjohanss
 2021-10-18 16:02:22 +00:00
Per Liden
54b8870766 8275035: Clean up worker thread infrastructure 
Reviewed-by: stefank, ayang
 2021-10-14 14:05:36 +00:00
Thomas Schatzl
c3b75c6cdf 8274516: [REDO] JDK-8271880: Tighten condition for excluding regions from collecting cards with cross-references 
Reviewed-by: sjohanss, ayang
 2021-10-13 08:10:55 +00:00
Thomas Schatzl
51085b523e 8274054: Add custom enqueue calls during reference processing 
Reviewed-by: ayang, kbarrett, sjohanss
 2021-09-22 10:17:31 +00:00
Thomas Schatzl
e6805032ff 8273185: Rename the term "atomic" in ReferenceProcessor 
Reviewed-by: ayang, shade
 2021-09-08 19:02:49 +00:00
Thomas Schatzl
fb5b144eca 8272985: Reference discovery is confused about atomicity and degree of parallelism 
Reviewed-by: ayang, kbarrett
 2021-09-06 09:07:43 +00:00
Albert Mingkun Yang
23fa0dcff0 8272905: Consolidate discovered lists processing 
Reviewed-by: tschatzl, kbarrett
 2021-09-03 16:53:53 +00:00
Albert Mingkun Yang
565ec8518b 8270282: Semantically rename reference processing subphases 
Reviewed-by: kbarrett, tschatzl
 2021-07-13 10:36:55 +00:00
Albert Mingkun Yang
86a20081ae 8051680: (ref) unnecessary process_soft_ref_reconsider 
Reviewed-by: kbarrett, tschatzl
 2021-07-12 07:53:20 +00:00
Albert Mingkun Yang
a96012f958 8269803: G1: remove unnecessary NoRefDiscovery 
Reviewed-by: tschatzl, kbarrett
 2021-07-08 06:15:30 +00:00
Albert Mingkun Yang
f8bcbf0172 8269596: Snapshot soft ref policy before marking/copying 
Reviewed-by: tschatzl, kbarrett
 2021-07-02 09:19:58 +00:00
Albert Mingkun Yang
d0d26f5c55 8269433: Remove effectively unused ReferenceProcessor::_enqueuing_is_done 
Reviewed-by: kbarrett, tschatzl
 2021-06-28 14:13:32 +00:00
Albert Mingkun Yang
87ff27786b 8269222: Incorrect number of workers reported for reference processing 
Reviewed-by: tschatzl, sangheki
 2021-06-28 10:47:20 +00:00
Albert Mingkun Yang
5ae9a12858 8268964: Remove unused ReferenceProcessorAtomicMutator 
Reviewed-by: tschatzl, pliden
 2021-06-18 11:48:59 +00:00
Leo Korinth
9fc914b963 8204686: Dynamic parallel reference processing support for Parallel GC 
Reviewed-by: ayang, tschatzl, kbarrett
 2021-06-07 08:02:26 +00:00
Leo Korinth
6ef46ce386 8231672: Simplify the reference processing parallelization framework 
Reviewed-by: tschatzl, ayang
 2021-05-19 09:39:40 +00:00
Leo Korinth
03d888f463 8261804: Remove field _processing_is_mt, calculate it instead 
Reviewed-by: ayang, kbarrett, tschatzl
 2021-02-26 20:07:13 +00:00
Leo Korinth
1a7adc8642 8260416: Remove unused method ReferenceProcessor::is_mt_processing_set_up() 
Reviewed-by: ayang, kbarrett
 2021-02-18 11:43:49 +00:00
Leo Korinth
61a659f4bf 8260415: Remove unused class ReferenceProcessorMTProcMutator 
Reviewed-by: ayang, sjohanss
 2021-02-16 18:29:41 +00:00
Leo Korinth
3882fda83b 8260414: Remove unused set_single_threaded_mode() method in task executor 
Reviewed-by: kbarrett, ayang
 2021-02-15 08:52:47 +00:00
Kim Barrett
675d1d56e6 8256516: Simplify clearing References 
Provide and use explicit referent clearing instead of set to null.

Reviewed-by: rkennke, shade, pliden, mchung
 2020-11-19 15:42:46 +00:00
Kim Barrett
2d9fa9da02 8247912: Make narrowOop a scoped enum 
Reviewed-by: iklam, stefank
 2020-10-01 10:45:22 +00:00
Leo Korinth
1fc67ab002 8232365: Implementation for JEP 363: Remove the Concurrent Mark Sweep (CMS) Garbage Collector 
Reviewed-by: kbarrett, tschatzl, erikj, coleenp, dholmes
 2019-11-13 11:37:29 +01:00
Per Lidén
2d6874b861 8230841: Remove oopDesc::equals() 
Reviewed-by: rkennke, tschatzl
 2019-09-17 09:51:02 +02:00
Coleen Phillimore
154a1a02bf 8216167: Update include guards to reflect correct directories 
Use script and some manual fixup to fix directores names in include guards.

Reviewed-by: lfoltan, eosterlund, kbarrett
 2019-01-10 15:13:51 -05:00
Roman Kennke
3085a89f13 8211279: Verify missing object equals barriers 
Reviewed-by: pliden, shade, zgu
 2018-10-03 15:22:16 +02:00
Thomas Schatzl
d702d5f8d2 8208669: GC changes to allow enabling -Wreorder 
Reviewed-by: kbarrett
 2018-08-08 15:31:06 +02:00
Thomas Schatzl
7f9bbfa767 8043575: Dynamically parallelize reference processing work 
In G1 automatically set the number of parallel Reference processing threads

Co-authored-by: Sangheon Kim <sangheon.kim@oracle.com>
Reviewed-by: sangheki, kbarrett
 2018-06-18 12:11:59 +02:00
Thomas Schatzl
1a0553e4eb 8202845: Refactor reference processing for improved parallelism 
Fold reference processing's nine phases into four to decrease startup and termination time of this phase.

Reviewed-by: kbarrett, sjohanss
 2018-05-29 09:26:00 +02:00
Kim Barrett
056f7b3bd8 8203319: JDK-8201487 disabled too much queue balancing 
Sometimes ignore ParallelRefProcBalancingEnabled.

Reviewed-by: tschatzl, sjohanss
 2018-06-05 09:15:03 -04:00
Kim Barrett
6c20824cda 8203028: Simplify reference processing in light of JDK-8175797 
Removed special handling of Reference.next

Reviewed-by: tschatzl, sjohanss, mchung
 2018-05-26 03:11:50 -04:00
Thomas Schatzl
ec2d9845e0 8201491: G1 support for java.lang.ref.Reference precleaning 
Implement single-threaded concurrent reference precleaning for G1.

Reviewed-by: sangheki, kbarrett
 2018-05-14 11:47:03 +02:00
Thomas Schatzl
b34a8c43f1 8202780: Remove EnqueueTask related code from ReferenceProcessor after JDK-8202017 
Remove code obsoleted by JDK-8202017

Reviewed-by: kbarrett, sangheki
 2018-05-09 13:37:05 +02:00
Thomas Schatzl
9ed9e26d5c 8202781: Fix typo in DiscoveredListIterator::complete_enqeue 
Reviewed-by: kbarrett
 2018-05-08 16:49:20 +02:00
Thomas Schatzl
035d0190a3 8202017: Merge Reference Enqueuing phase with phase 3 of Reference processing 
Do reference enqueuing work directly in phase 3 after every Reference.

Reviewed-by: kbarrett, sangheki
 2018-05-08 10:01:29 +02:00
Thomas Schatzl
deb5bf745f 8202021: Improve variable naming in ReferenceProcesso 
Reviewed-by: sangheki, sjohanss
 2018-05-03 14:10:08 +02:00
Thomas Schatzl
945701e945 8201492: Properly implement non-contiguous generations for Reference discovery 
Collectors like G1 implementing non-contiguous generations previously used an inexact but conservative area for discovery. Concurrent and STW reference processing could discover the same reference multiple times, potentially missing referents during evacuation. So these collectors had to take extra measures while concurrent marking/reference discovery has been running. This change makes discovery exact for G1 (and any collector using non-contiguous generations) so that concurrent discovery and STW discovery discover on strictly disjoint memory areas. This means that the mentioned situation can not occur any more, and extra work is not required any more too.

Reviewed-by: kbarrett, sjohanss
 2018-05-03 14:09:00 +02:00
Per Lidén
a4f21eeb03 8201646: Introduce ReferenceDiscoverer interface 
Reviewed-by: stefank, tschatzl, rkennke
 2018-04-19 07:54:50 +02:00
Stefan Karlsson
3fbc4aec64 8189359: Move native weak oops cleaning out of ReferenceProcessor 
Reviewed-by: pliden, kbarrett
 2017-10-18 21:13:35 +02:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00