On Mon, 2 May 2022 06:24:21 GMT, Alan Bateman <al...@openjdk.org> wrote:

>> This is the implementation of JEP 425: Virtual Threads (Preview).
>> We will refresh this PR periodically to pick up changes and fixes from the 
>> loom repo.
>> Most of the new mechanisms in the HotSpot VM are disabled by default and 
>> require running with `--enable-preview` to enable.
>> The patch has support for x64 and aarch64 on the usual operating systems 
>> (Linux, macOS, and Windows). There are stubs (calling _Unimplemented_) for 
>> zero and some of the other ports. Additional ports can be contributed via 
>> PRs against the fibers branch in the loom repo.
>> There are changes in many areas. To reduce notifications/mails, the labels 
>> have been trimmed down for now to hotspot, serviceability and core-libs. We 
>> can add additional labels, if required, as the PR progresses.
>> The changes include a refresh of java.util.concurrent and ForkJoinPool from 
>> Doug Lea's CVS. These changes will probably be proposed and integrated in 
>> advance of this PR.
>> The changes include some non-exposed and low-level infrastructure to support 
>> the (in draft) JEPs for Structured Concurrency and Extent Locals. This is to 
>> make life a bit easier and avoid having to separate VM changes and juggle 
>> branches at this time.
> Alan Bateman has updated the pull request with a new target base due to a 
> merge or a rebase. The pull request now contains 13 commits:
>  - Refresh ee9fa8ed05ec22de7a13383052d68aa8aa7832ec
>  - Merge with jdk-19+20
>  - Refresh 7965cc6b168e567ac2596f2fbc3b00a7d99b7e1e
>  - Refresh 8d8f0a2fd646e57fe6b4e8ab669f836dc46dda69
>  - Refresh cf561073f48fad58e931a5285b92629aa83c9bd1
>  - Merge with jdk-19+19
>  - Refresh
>  - Refresh
>  - Refresh
>  - Refresh
>  - ... and 3 more: 
> https://git.openjdk.java.net/jdk/compare/16a8ebbf...51bc652d

Thank you for addressing my review feedback. HotSpot/Runtime, test library, 
common test and JFR test changes look good to me.


Marked as reviewed by mseledtsov (Committer).

PR: https://git.openjdk.java.net/jdk/pull/8166

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