RFR: 8305819: LogConfigurationTest intermittently fails on AArch64

[gaogao-mem]

On Wed, 3 May 2023 09:40:07 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>>> if we replace the current solution with read/write lock, I guess we won't lose much in terms of performance. but this seems a separated task.
>> 
>> Let's do that. Then we'll have code that's known to be correct, and we can all do other things. 😁
>
>> > if we replace the current solution with read/write lock, I guess we won't lose much in terms of performance. but this seems a separated task.
>> 
>> Let's do that. Then we'll have code that's known to be correct, and we can all do other things. grin
> 
> https://github.com/openjdk/jdk/pull/9838
> 
> Here's my old PR for a read-write lock that was meant to replace this RCU mechanism :-). It's a simple counter based one, which I borrowed from ZGC. If anyone wants to pick up this code then feel free to do so (with me as contributor and Oracle copyright notice).

@jdksjolen Could you please integrate #9838 to master and then we can apply the read-write lock in the UL?

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PR Review Comment: https://git.openjdk.org/jdk/pull/13421#discussion_r1184495696