RFR: 8355627: Don't use ThreadCritical for EventLog list [v2]

[Martin Doerr]

On Mon, 5 May 2025 13:30:29 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

>> First of all, nothing on the writer's side can fix the reader's side.
>> 
>> We're basically relying on volatile load + dependency chain on the reader's side. This is very likely to work, but C++ memory model specialists may find this questionable.
>
> Are we on the same page? which `load` you are talking about?

I'm talking about `Atomic::load()` which is essentially a volatile load without ordering.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24954#discussion_r2073472029