RFR: Code cache roots styles

[Roman Kennke]

Am 07.07.2017 um 10:23 schrieb Aleksey Shipilev:
> Hi,
>
> I'd like to continue doing experiments with code cache support. There good
> improvements to be reaped with oop and cset filtering. To get better testing I
> suggest we push the refactoring and selector for code cache root styles, and
> continue:
>   http://cr.openjdk.java.net/~shade/shenandoah/codecache-styles/webrev.01/
>
> Testing: hotspot_gc_shenandoah, jcstress
>
> Thanks,
> -Aleksey
>
Looks good!