8343884: [s390x] Disallow OptoScheduling

[offamitkumar]

Hi all,

This pull request contains a backport of commit 7540fa21 from the openjdk/jdk repository.

The commit being backported was authored by Amit Kumar on 19 Nov 2024 and was reviewed by Lutz Schmidt.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8343884 needs maintainer approval

Issue

• JDK-8343884: [s390x] Disallow OptoScheduling (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1164/head:pull/1164
$ git checkout pull/1164

Update a local copy of the PR:
$ git checkout pull/1164
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1164/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1164

View PR using the GUI difftool:
$ git pr show -t 1164

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1164.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back amitkumar! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@offamitkumar 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:

8343884: [s390x]  Disallow OptoScheduling

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 4 new commits pushed to the master branch:

• 2029e4e: 8337826: Improve logging in OCSPTimeout and SimpleOCSPResponder to help diagnose JDK-8309754
• f9cd285: 8338550: Do libubsan1 installation in test container only if requested
• 936b239: 8325525: Create jtreg test case for JDK-8325203
• cb9a6a2: 8333144: docker tests do not work when ubsan is configured

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
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.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @offamitkumar This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[offamitkumar]

/approval request OptoScheduling is not supported on s390x, so it has to be disabled on the architecture. No regression, s390x specific, low risk.

[openjdk]

@offamitkumar
8343884: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (27148271)

[offamitkumar]

/integrate

[openjdk]

@offamitkumar
Your change (at version 2714827) is now ready to be sponsored by a Committer.

[phohensee]

/sponsor

[openjdk]

Going to push as commit 50fc231.
Since your change was applied there have been 9 commits pushed to the master branch:

• f091c76: 8333248: VectorGatherMaskFoldingTest.java failed when maximum vector bits is 64
• 4bbc29c: 8319678: Several tests from corelibs areas ignore VM flags
• add7934: 8339637: (tz) Update Timezone Data to 2024b
• 322fc81: 8328619: sun/management/jmxremote/bootstrap/SSLConfigFilePermissionTest.java failed with BindException: Address already in use
• 3aa59b3: 8341722: Fix some warnings as errors when building on Linux with toolchain clang
• 2029e4e: 8337826: Improve logging in OCSPTimeout and SimpleOCSPResponder to help diagnose JDK-8309754
• f9cd285: 8338550: Do libubsan1 installation in test container only if requested
• 936b239: 8325525: Create jtreg test case for JDK-8325203
• cb9a6a2: 8333144: docker tests do not work when ubsan is configured

Your commit was automatically rebased without conflicts.

[openjdk]

@phohensee @offamitkumar Pushed as commit 50fc231.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.