RFR: 8247820: ParallelGC: Process strong OopStorage entries in parallel

[Stefan Karlsson]

Thanks, Erik.

StefanK

On 2020-06-23 11:55, Erik Österlund wrote:
> Hi Stefan,
> 
> Looks good.
> 
> Thanks,
> /Erik
> 
> On 2020-06-23 10:23, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to both unify handling of all OopStorage 
>> instances and parallelize it in the root processing of the Parallel GC.
>>
>> https://cr.openjdk.java.net/~stefank/8247820/webrev.01/
>> https://bugs.openjdk.java.net/browse/JDK-8247820
>>
>> This removes the explicit enumeration of "strong" OopStorages in the 
>> Parallel GC. This is a step towards allowing the Runtime code to add 
>> new OopStorages without having to update all GCs.
>>
>> It also parallelizes the processing of the OopStorages, using the 
>> class that's being introduced in:
>> https://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2020-June/030152.html 
>>
>>
>> Tested with tier1-3
>>
>> Thanks,
>> StefanK
>