RFR: 8377150: G1: Full GC should not execute barrier code during reference processing

[Thomas Schatzl]

On Wed, 4 Feb 2026 10:03:28 GMT, Stefan Johansson <sjohanss at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this changes that removes execution of the (post-) barrier when enqueuing discovered references during full gc. It is simply not necessary as full gc throws away all remembered set information anyway later. Also allows adding checks that nobody else is executing G1BarrierSet code in the future.
>> 
>> Testing: gha, tier1-5
>> 
>> Thanks,
>>   Thomas
>
> Looks good.

Thanks @kstefanj @walulyai for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/29564#issuecomment-3854181545