RFR: 8291555: Implement alternative fast-locking scheme [v4]

[Roman Kennke]

On Thu, 26 Jan 2023 13:45:35 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

> > > I always change the flags in code for the reasons David state and I can't forget to add any flags.
> > > (Test batch is stilling running, no failures except MonitorInflationTest.java)
> > 
> > 
> > Ok, right.
> > I just re-ran tier1-3 with the flag changed in code, on aarch64 and x86_64 without regressions. Will run tier4 overnight.
> 
> I did a bigger batch of testing, there were some ThreadMXBean failures with wrong state. I'll investigate, otherwise passed.

Thanks, Robbin, for running the tests.
Can you let me know which tests failed, so that I can investigate myself?

Thanks,
Roman

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PR: https://git.openjdk.org/jdk/pull/10907