RFR: 8307106: Allow concurrent GCs to walk CLDG without ClassLoaderDataGraph_lock

Fri Apr 28 16:45:54 UTC 2023

On Fri, 28 Apr 2023 14:53:54 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> A concurrent GC with concurrent class unloading can't currently walk the CLDG without the CLDG_lock today. We should add some synchronization code so it can do that safely. This patch adds the missing bits.
>
> Looks good to me too. Thanks for the preview, Erik.

Thanks for the reciews @coleenp @stefank and @xmas92!

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PR Comment: https://git.openjdk.org/jdk/pull/13718#issuecomment-1527808893