JDK-8310513 : [s390x] Intrinsify recursive ObjectMonitor locking
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 21,22
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux
  • CPU: s390x
  • Submitted: 2023-06-21
  • Updated: 2024-06-28
  • Resolved: 2024-04-10
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JDK 21 JDK 22 JDK 23
21.0.4Fixed 22.0.2Fixed 23 b18Fixed
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Description
The C2 fast_lock and fast_unlock intrinsics don't support recursive ObjectMonitor locking. Some workload can significantly benefit from this.
Comments
A pull request was submitted for review. URL: https://git.openjdk.org/lilliput-jdk21u/pull/33 Date: 2024-06-28 07:46:07 +0000
28-06-2024

[jdk21u-fix-request] Approval Request from Amit Kumar backport is required to JDK-21 as other archs have added this change in JDK-21, but on s390x we ported it in JDK-23.
29-04-2024

[jdk22u-fix-request] Approval Request from Amit Kumar Need to backport this change to JDK-22 as other archs ported it in JDK-21 and for them it's available in JDK-22u already.
29-04-2024

A pull request was submitted for review. URL: https://git.openjdk.org/jdk21u-dev/pull/537 Date: 2024-04-26 16:34:25 +0000
26-04-2024

A pull request was submitted for review. URL: https://git.openjdk.org/jdk22u/pull/134 Date: 2024-04-10 04:07:28 +0000
10-04-2024

Changeset: 47df1459 Author: Amit Kumar <amitkumar@openjdk.org> Date: 2024-04-10 03:33:24 +0000 URL: https://git.openjdk.org/jdk/commit/47df14590c003ccb1607ec0edfe999fcf2aebd86
10-04-2024

A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/17975 Date: 2024-02-23 05:23:29 +0000
05-04-2024