8361397: Rework CompileLog list synchronization

[shipilev]

I want to remove CompileTaskAlloc_lock completely with JDK-8357473, and for that we need to fix a stray use of that lock in CompileLog list linkage. We can rewrite that part to atomics.

Additional testing:

• Linux x86_64 server fastdebug, compiler

---

Progress

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Issue

• JDK-8361397: Rework CompileLog list synchronization (Enhancement - P4)

Reviewers

• Vladimir Kozlov (@vnkozlov - Reviewer)
• Christian Hagedorn (@chhagedorn - Reviewer)

Reviewing

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[openjdk]

@shipilev This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8361397: Rework CompileLog list synchronization

Reviewed-by: kvn, chagedorn

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At the time when this comment was updated there had been 14 new commits pushed to the master branch:

• 310ef85: 8305567: serviceability/tmtools/jstat/GcTest01.java failed utils.JstatGcResults.assertConsistency
• 5205eae: 8346753: Test javax/swing/JMenuItem/RightLeftOrientation/RightLeftOrientation.java fails on Windows Server 2025 x64 because the icons of RBMenuItem and CBMenuItem are not visible in Nimbus LookAndFeel
• bbc5c98: 8342868: Errors related to unused code on Windows after 8339120 in core libs
• ... and 11 more: https://git.openjdk.org/jdk/compare/1fa772e8143bb2d758ef183280d123d1ff8aada8...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (3eec06a4)
• 00: Full (4df91936)

[shipilev]

Still looking for reviewers :)

[vnkozlov]

Okay

[chhagedorn]

Looks good to me, too!

[shipilev]

Thank you! Here goes.

/integrate

[openjdk]

Going to push as commit 7b255b8.
Since your change was applied there have been 14 commits pushed to the master branch:

• 310ef85: 8305567: serviceability/tmtools/jstat/GcTest01.java failed utils.JstatGcResults.assertConsistency
• 5205eae: 8346753: Test javax/swing/JMenuItem/RightLeftOrientation/RightLeftOrientation.java fails on Windows Server 2025 x64 because the icons of RBMenuItem and CBMenuItem are not visible in Nimbus LookAndFeel
• bbc5c98: 8342868: Errors related to unused code on Windows after 8339120 in core libs
• ... and 11 more: https://git.openjdk.org/jdk/compare/1fa772e8143bb2d758ef183280d123d1ff8aada8...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit 7b255b8.

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