RFR: 8368954: G1: Document why G1 uses TLS storage for the current card table reference [v2]

Tue Sep 30 19:16:37 UTC 2025

On Tue, 30 Sep 2025 16:11:36 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review some documentation update why G1 now uses TLS storage to get the current card table base value for the card mark.
>> 
>> TLDR: it's the overall fastest currently available way.
>> 
>> Testing: local compilation, this is just a trivial documentation change.
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update src/hotspot/share/gc/g1/g1ThreadLocalData.hpp

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27573#pullrequestreview-3286383685