RFR: 8373118: Test java/lang/Thread/virtual/Starvation.java timed out [v20]

[Viktor Klang]

On Wed, 7 Jan 2026 13:44:53 GMT, Viktor Klang <vklang at openjdk.org> wrote:

>> Doug Lea has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 28 additional commits since the last revision:
>> 
>>  - Merge branch 'openjdk:master' into JDK-8373118
>>  - Split external push
>>  - Undo/redo ordering changes
>>  - Strengthen some orderings
>>  - Merge branch 'openjdk:master' into JDK-8373118
>>  - Not sure why this merge is necessary
>>    Merge remote-tracking branch 'refs/remotes/origin/JDK-8373118' into JDK-8373118
>>  - Merge branch 'openjdk:master' into JDK-8373118
>>  - Fix deactivate; faster quiescence
>>  - recheck avoiding cross-class offsets
>>  - Merge branch 'openjdk:master' into JDK-8373118
>>  - ... and 18 more: https://git.openjdk.org/jdk/compare/206410fe...54a8672a
>
> src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java line 1969:
> 
>> 1967:                             }
>> 1968:                             else if (q.base == b &&
>> 1969:                                      U.compareAndSetReference(a, bp, t, null)) {
> 
> Would we expect a[bp] to be possible to be something besides `t` or `null` here? If not, I think we could switch to a `U.getAndSetReference(a, bp, null) == t` here?

Narrator: it won't work since there might be other values than `t` and `null`

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PR Review Comment: https://git.openjdk.org/jdk/pull/28797#discussion_r2668836812