[master] RFR: Implement non-racy fast-locking [v3]

[David Holmes]

On Wed, 27 Jul 2022 14:47:16 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> Yeah, that is because we have been in exchange between @robehn, @fisk and myself about it. 

I expected that was the case but wanted to be clear there is prior work here.

> I also intend to upstream this change (minus the Lilliput-specific parts) soon, that will help Lilliput upstreaming and later on the JOM project.

I would need a lot of convincing that we should be doing anything upstream in this area "soon" given the current status of the two projects, but look forward to seeing such a proposal and its performance etc.

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PR: https://git.openjdk.org/lilliput/pull/51