RFR(S) 8227927: Move ParallelCleaningTask back to G1

[Zhengyu Gu]

Thanks, Thomas.

-Zhengyu

On 7/24/19 4:03 AM, Thomas Schatzl wrote:
> Hi Zhengyu,
> 
> On Tue, 2019-07-23 at 15:04 -0400, Zhengyu Gu wrote:
>> ParallelCleaningTask was moved from G1 to shared directory, so
>> Shenandoah can use it. Now, Shenandoah no longer uses it, it can
>> return to G1.
>>
>> However, Shenandoah still uses some of sub-tasks defined in
>> shared/parallelCleaning.hpp/cpp, therefore, only
>> ParallelCleaningTask and JVMCICleaningTask are moved to G1.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8227927
>> Webrev:
>> http://cr.openjdk.java.net/~zgu/JDK-8227927/webrev.00/index.html
>>
>> Test:
>>     hotspot_gc (fastdebug and release) on Linux x86_64.
>>     Submit tests in progress
>>
> 
>    looks good, thanks a lot.
> 
> Thomas
> 
>