RFR: 8286285: G1: Rank issues with ParGCRareEvent_lock and Threads_lock

Tue May 10 08:51:51 UTC 2022

On Tue, 10 May 2022 02:46:33 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Hi all,
>> 
>>   can I have reviews for this change that fixes up the rank of the `ParGCRareEvent_lock` lock? It might be called in the vm-thread that holds the `Threads_lock` during (single-threaded) verification.
>> 
>> Testing: gha, local testing inducing uses of `ParGCRareEvent_lock` in the VM thread
>> 
>> Thanks,
>>   Thomas
>
> Seems okay.
> 
> Thanks.

Thanks @dholmes-ora @walulyai for your reviews.

Fwiw, this passed tier1-5 too

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PR: https://git.openjdk.java.net/jdk/pull/8573