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

[Erik Österlund]

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