RFR: 8291555: Implement alternative fast-locking scheme [v56]

[David Holmes]

On Thu, 6 Apr 2023 14:38:20 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> Roman Kennke has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   RISCV update
>
> src/hotspot/share/services/management.cpp line 1131:
> 
>> 1129:   if (maxDepth == 0) {
>> 1130:     // No stack trace to dump so we do not need to stop the world.
>> 1131:     // Since we never do the VM op here we must set the threads list.
> 
> You may want to add a little more to this comment after L1131:
> 
>     // Since we are not stopping the world, the data we gather here
>     // may change the moment after we return it.

Nit: even if you are stopping the world you have restarted it by the time you return so the data can change anyway.

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PR Review Comment: https://git.openjdk.org/jdk/pull/10907#discussion_r1172177158