RFR: 8305368: G1 remset chunk claiming may use relaxed memory ordering

Fri Mar 31 11:40:16 UTC 2023

On Fri, 31 Mar 2023 11:15:48 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this minor change that changes the atomic increment for claiming chunks during scanning remembered sets to use relaxed memory ordering.
> Nothing depends on that, and nothing should. No particular performance improvements (expected; on x86 all atomics are "conservative" anyway).
> 
> Testing: local compilation, gha
> 
> Thanks,
>   Thomas

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/13266#pullrequestreview-1366775808