Withdrawn: 8276663: Cleanup NMT AccessLock

[Zhengyu Gu]

On Thu, 4 Nov 2021 19:37:59 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> Please review this cleanup patch to NMT AccessLock:
> 
> * Make LockState enum private, no external use.
> * const lock location pointer
> * Use memory_order_acquire/memory_order_release for lock counter updates.
> 
> Test:
> - [x] hotspot_nmt on x86_64 and aarch64

This pull request has been closed without being integrated.

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PR: https://git.openjdk.java.net/jdk/pull/6267