RFR (XXS): 8204617: ParallelGC parallel reference processing does not set MT degree in reference processor

[sangheon.kim at oracle.com]

Hi Thomas,

Looks good, thanks for fixing this!
I also noticed about this and JDK-8204618, but accidentally not included 
at JDK-8043575 patch.

Thanks,
Sangheon


On 6/8/18 7:52 AM, Thomas Schatzl wrote:
> Hi all,
>
>    can I have reviews for this small patch that properly sets the MT
> degree in the parallel gc full gc?
>
> Otherwise some assert to be introduced in 8043575: Dynamically
> parallelize reference processing work will fire for any application
> using parallel gc that does not use the full amount of available gc
> threads (by UseDynamicNumberOfGCThreads).
>
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8204617
> Webrev:
> http://cr.openjdk.java.net/~tschatzl/8204617/webrev/
> Testing:
> hs-tier1-4,jdk-tier1-3 with +/-ParallelRefProcEnabled
>
> Thanks,
>    Thomas