RFR: 8356556: AArch64: No need for acquire fence in safepoint poll in FFM

[Stuart Monteith]

On Wed, 11 Jun 2025 15:13:05 GMT, Samuel Chee <duke at openjdk.org> wrote:

>> Removes the unnecessary acquire to reduce memory ordering requirement since it is not longer needed as threads always disarm their own poll value.
>
> Waiting for OCA approval!!!

Hello @spchee I've sent Dalibor a couple of emails.
@robilad  would you be able to add Samuel to the Arm OCA?

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PR Comment: https://git.openjdk.org/jdk/pull/25211#issuecomment-2995900344