RFR: 8276663: Cleanup NMT AccessLock [v2]

Fri Nov 5 13:27:14 UTC 2021

On Fri, 5 Nov 2021 03:48:36 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Hi Zhengyu,
> 
> I do not understand this change. The "counter" is what makes the lock acts as a lock. Locks generally require acquire/release semantics wrt. to the locking and unlocking around a critical section. So how can you switch to use mo_relaxed?
> 
> David

Right, I am embarrassed. This is a lock, does have memory semantics.

Thanks,

-Zhengyu

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