[11u] RFR (S) 8260704: ParallelGC: oldgen expansion needs release-store for _end

[Hohensee, Paul]

Lgtm.

Thanks,
Paul

-----Original Message-----
From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> on behalf of Aleksey Shipilev <shade at redhat.com>
Date: Monday, February 15, 2021 at 10:42 AM
To: "jdk-updates-dev at openjdk.java.net" <jdk-updates-dev at openjdk.java.net>
Subject: [11u] RFR (S) 8260704: ParallelGC: oldgen expansion needs release-store for _end

Original bug:
   https://bugs.openjdk.java.net/browse/JDK-8260704
   https://git.openjdk.java.net/jdk16/commit/afd5eefd

While the patch is simple, 11u does not have Atomic methods we need -- those were moved from
OrderAccess to Atomic in JDK 14 with JDK-8234562. So, 11u patch uses OrderAccess.

11u variant:
   https://cr.openjdk.java.net/~shade/8260704/webrev.11u.02/

Testing: tier{1,2} with Parallel

--
Thanks,
-Aleksey