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

[Zhengyu Gu]

On Mon, 5 May 2025 11:46:12 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Then, memory barriers on the reader's side should also be checked.
>
> hm then should the readers be Atomic::load_acquire() ?

The version you merged has `memory_order_conservative` order on CAS, so you don't need reader side barrier.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/24954#discussion_r2073348568