8314863: [Lilliput] Revert changes in zRelocate, prevent ZGC with Lilliput

[rkennke]

The additions of SuspendibleThreadSet in zRelocate.cpp can cause deadlocks. This problem can not easily be solved without major work in Lilliput. Let's revert those changes and prevent usage of ZGC together with Lilliput.

Testing:

• hotspot_gc +UCOH
• hotspot_gc -UCOH (default)

---

Progress

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

Issue

• JDK-8314863: [Lilliput] Revert changes in zRelocate, prevent ZGC with Lilliput (Bug - P2)

Reviewers

• Aleksey Shipilev (@shipilev - Committer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/lilliput.git pull/107/head:pull/107
$ git checkout pull/107

Update a local copy of the PR:
$ git checkout pull/107
$ git pull https://git.openjdk.org/lilliput.git pull/107/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 107

View PR using the GUI difftool:
$ git pr show -t 107

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/lilliput/pull/107.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back rkennke! 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.

[shipilev]

Minor nit, otherwise looks good.

[openjdk]

@rkennke 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:

8314863: [Lilliput] Revert changes in zRelocate, prevent ZGC with Lilliput

Reviewed-by: shade

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

• 02: Full - Incremental (4cfd48c6)
• 01: Full - Incremental (eaed4926)
• 00: Full (b7bd5a47)

[rkennke]

/integrate

[openjdk]

Going to push as commit 0a73377.

[openjdk]

@rkennke Pushed as commit 0a73377.

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