Integrated: 8375436: G1: Convert G1CardSet classes to use Atomic<T>

[Thomas Schatzl]

On Fri, 16 Jan 2026 09:31:59 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this removal of use of the AtomicAccess class in G1 card set related classes, replacing with use of Atomic<T>.
> 
> Although a bit on the large side, it would be hard to do the card set changes separately per class. Other than that I think it is fairly straightforward, except for the addition of a copy constructor for `G1CardSetHashTableValue` because the `ConcurrentHashTable` requires it.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

This pull request has now been integrated.

Changeset: 2af271e5
Author:    Thomas Schatzl <tschatzl at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2af271e5e64260f05c01cb94bcf95f80fd69b4ff
Stats:     119 lines in 6 files changed: 9 ins; 4 del; 106 mod

8375436: G1: Convert G1CardSet classes to use Atomic<T>

Reviewed-by: kbarrett, iwalulya

-------------

PR: https://git.openjdk.org/jdk/pull/29274