RFR: 8369622: GlobalChunkPoolMutex needs to be recursive

[Johan Sjölen]

On Tue, 14 Oct 2025 05:11:23 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> I don't see how it can work without recursion count ...
>
> Doh! Yep Zhengyu is right.

Aaah right, we must only unlock on `recursion_count == 0`. I completely missed this.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27759#discussion_r2432279429