8254672: ZGC: ZParallelOopsDo/ZSerialWeakOopsDo should use atomic load/store

[pliden]

ZParallelOopsDo/ZSerialWeakOopsDo should use atomic load/store. This patch builds on the JDK-8254671, which is currently out for review, so only the last commit is part of this PR.

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Progress

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

Issue

• JDK-8254672: ZGC: ZParallelOopsDo/ZSerialWeakOopsDo should use atomic load/store

Reviewers

• Stefan Karlsson (@stefank - Reviewer) ⚠️ Review applies to 6ce9cc54250964c9dae4eb996f09fbe45c31a3b9

Download

$ git fetch https://git.openjdk.java.net/jdk pull/630/head:pull/630
$ git checkout pull/630

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full (fa2ff60)
• 00: Full (6ce9cc54250964c9dae4eb996f09fbe45c31a3b9)

[stefank]

Looks good and "trivial"

[openjdk]

@pliden 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:

8254672: ZGC: ZParallelOopsDo/ZSerialWeakOopsDo should use atomic load/store

Reviewed-by: stefank

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

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[pliden]

/integrate

[openjdk]

@pliden Pushed as commit 02d9c29.

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