8314950: CMS may miss NMT tag after mark stack expansion

[zhengyu123]

Please review this small fix that tags new mark stack after expansion.

Thanks @MBaesken for reporting this bug.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8314950: CMS may miss NMT tag after mark stack expansion (Bug - P4)

Reviewers

• Aleksey Shipilev (@shipilev - Reviewer)
• Matthias Baesken (@MBaesken - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2097/head:pull/2097
$ git checkout pull/2097

Update a local copy of the PR:
$ git checkout pull/2097
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2097/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2097

View PR using the GUI difftool:
$ git pr show -t 2097

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2097.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back zgu! 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.

[mlbridge]

Webrevs

• 00: Full (e60d2ca7)

[shipilev]

Looks good.

[openjdk]

@zhengyu123 This change now passes all automated pre-integration checks.

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

8314950: CMS may miss NMT tag after mark stack expansion

Reviewed-by: shade, mbaesken

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.

[zhengyu123]

Thanks, @shipilev and @MBaesken

[zhengyu123]

/integrate

[openjdk]

Going to push as commit cde3cd2.

[openjdk]

@zhengyu123 Pushed as commit cde3cd2.

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

[shipilev]

/integrate

Hold on now, you need to request jdk11u-fix-request for pushes to jdk11u-dev. Please do one retro-actively. If maintainers reject the backport, we would need to yank it.

[shipilev]

@zhengyu123 ^^^