8316566: RISC-V: Zero extended narrow oop passed to Atomic::cmpxchg

[robehn]

Hi all,

This pull request contains a backport of commit 2d154fcd from the openjdk/jdk repository.

The commit being backported was authored by Robbin Ehn on 28 Sep 2023 and was reviewed by Ludovic Henry and Fei Yang.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8316566: RISC-V: Zero extended narrow oop passed to Atomic::cmpxchg (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u.git pull/381/head:pull/381
$ git checkout pull/381

Update a local copy of the PR:
$ git checkout pull/381
$ git pull https://git.openjdk.org/jdk17u.git pull/381/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 381

View PR using the GUI difftool:
$ git pr show -t 381

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u/pull/381.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back rehn! 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]

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

[openjdk]

@robehn 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:

8316566: RISC-V: Zero extended narrow oop passed to Atomic::cmpxchg

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[mlbridge]

Webrevs

• 00: Full (dbe42542)

[robehn]

/integrate

[openjdk]

Going to push as commit 8afd87b.

[openjdk]

@robehn Pushed as commit 8afd87b.

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

[gnu-andrew]

Why has this been pushed to 17u? This tree is frozen for the release of 17.0.9.

[mlbridge]

Mailing list message from Lindenmaier, Goetz on jdk-updates-dev:

Hi,

I crafted a backout: JDK-8317700.
I please need review&approval.

Best, Goetz.

[robehn]

Why has this been pushed to 17u? This tree is frozen for the release of 17.0.9.

Yes, sorry, wrong repo.