RFR(XXS) 8222188: Shenandoah: Adjust Shenandoah work gang types

[Zhengyu Gu]

Hi Roman,

On 4/9/19 10:31 AM, Roman Kennke wrote:
> I'd be careful with this, and not change it unless we really have to.
> Have you checked if we use any of is_ConcurrentGC_thread(),
> is_Worker_thread(), is_GC_task_thread() anywhere? I believe the OOM
> handler might use this to differenciate different types of threads.

I reverted safepoint_workers change.

There are only two is_ConcurrentGC_thread() checks, both are in 
assertion code, updated accordingly.

New webrev: http://cr.openjdk.java.net/~zgu/JDK-8222188/webrev.01/

Thanks,

-Zhengyu

> 
> Roman
> 
>> Am Dienstag, den 09.04.2019, 10:13 -0400 schrieb Zhengyu Gu:
>> This is a cleanup in preparation for concurrent class unloading.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8222188
>> Webrev:
>> http://cr.openjdk.java.net/~zgu/JDK-8222188/webrev.00/index.html
>>
>> Test:
>>     hotspot_gc_shenandoah on Linux 64 (fastdebug and release)
>>
>> Thanks,
>>
>> -Zhengyu