On Tue, 17 Nov 2020 19:02:03 GMT, Aleksey Shipilev <sh...@openjdk.org> wrote:
> Following the [JDK-8255796](https://bugs.openjdk.java.net/browse/JDK-8255796) > improvement that ditched the inline contiguous alloc use from Zero, we can > now rely on GC interface to hook the GCs properly. G1 and Shenandoah are a > bit special here, because they require special `Reference.get` handling. > > Note that it does not change the default GC for Zero, because Zero is > implicitly `NeverActAsServerMachine`, which still selects Serial GC by > default. After this change, Zero users can opt-in to G1 or Shenandoah. > > Additional testing: > - [x] Linux x86_64 Zero fastdebug `hotspot_gc_shenandoah` (some lingering > failures about non-enabled compressed oops) > - [x] Linux x86_64 Zero fastdebug `tier1` with `-XX:+UseG1GC` This pull request has now been integrated. Changeset: e06a6839 Author: Aleksey Shipilev <sh...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/e06a6839 Stats: 72 lines in 5 files changed: 54 ins; 16 del; 2 mod 8256497: Zero: enable G1 and Shenandoah GCs Reviewed-by: rkennke, erikj, ihse ------------- PR: https://git.openjdk.java.net/jdk/pull/1268
