RFR: 8291555: Implement alternative fast-locking scheme [v60]

[Roman Kennke]

On Mon, 17 Apr 2023 20:00:58 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

>> Roman Kennke has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 156 commits:
>> 
>>  - Merge remote-tracking branch 'upstream/master' into JDK-8291555-v2
>>  - A few more LM_ prefixes in 32bit code
>>  - Replace UseHeavyMonitor with LockingMode == LM_MONITOR
>>  - Prefix LockingMode constants with LM_*
>>  - Bunch of comments and typos
>>  - Don't use NativeAccess in LockStack::contains()
>>  - RISCV update
>>  - Put back thread type check in OS::is_lock_owned()
>>  - Named constants for LockingMode
>>  - Address David's review comments
>>  - ... and 146 more: https://git.openjdk.org/jdk/compare/d2ce04bb...d0a448c6
>
> Hi there,
> what is needed to bring this PR over the approval line?

> @rkennke - I'm planning to do another crawl thru review next week.

Thanks! That is greatly appeciated!

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PR Comment: https://git.openjdk.org/jdk/pull/10907#issuecomment-1520728296