RFR: 8256302: releasing oopStorage when deflating allows for faster deleting [v5]

[Daniel D. Daugherty]

On Tue, 6 Jun 2023 19:53:06 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/hotspot/share/runtime/objectMonitor.cpp line 598:
>> 
>>> 596: 
>>> 597:   // Release object's oop storage since the ObjectMonitor has been deflated:
>>> 598:   release_object();
>> 
>> Just to be clear, deflate_monitor() is called when a JavaThread is
>> in VM (or by the VM Thread) so it is safe to call release.
>
> I hope OopStorage.release() will assert if it's not safe.  I think it does.

Yes it will assert() when it is called from a not safe context.

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PR Review Comment: https://git.openjdk.org/jdk/pull/11296#discussion_r1220263837