RFR: 8376350: Convert ReferenceProcessorPhaseTimes to use Atomic<T> [v2]

[Stefan Karlsson]

On Tue, 27 Jan 2026 14:04:53 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this change to convert `ReferenceProcessorPhaseTimes` to use `Atomic<T>`.
>> 
>> Testing: gha
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Apply suggestion from @tschatzl
>  - Update src/hotspot/share/gc/shared/referenceProcessorPhaseTimes.cpp
>    
>    Co-authored-by: Stefan Karlsson <stefan.karlsson at oracle.com>

Marked as reviewed by stefank (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29423#pullrequestreview-3716443001