RFR (L) 8244997: Convert the JavaThread::_threadObj oop to use OopStorage

[Coleen Phillimore]

On 8/6/20 9:44 AM, Zhengyu Gu wrote:
> Hi Coleen,
>
> Shenandoah part looks good to me.

Thanks Zhengyu!
Coleen
>
> Thanks,
>
> -Zhengyu
>
> On 8/6/20 8:40 AM, Coleen Phillimore wrote:
>> Summary: Move the oop and handle releasing it in the service thread. 
>> Remove Universe::oops_do from callers.
>>
>> See bug for more details and discussion.  C2 code provided by Erik 
>> Osterlund and Graal changes provided by Tom Rodriguez.
>>
>> Tested with tiers 1-8.
>>
>> bug link https://bugs.openjdk.java.net/browse/JDK-8244997
>> open webrev at 
>> http://cr.openjdk.java.net/~coleenp/2020/8244997.01/webrev
>>
>> Copyrights fixed, not in this webrev.
>>
>> Thanks,
>> Coleen
>>
>