RFR: 8291302: ARM32: nmethod entry barriers support [v5]

[Martin Doerr]

On Mon, 26 Dec 2022 10:31:12 GMT, Aleksei Voitylov <avoitylov at openjdk.org> wrote:

>> This PR implements nmethod entry barriers for ARM32. It has already been implemented for other ports and is related with JDK-8290025 "Remove the Sweeper".
>
> Aleksei Voitylov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   address review comments

Thanks for the cleanup! Still looks good. I think the PR is ready for integration. You have 3 reviews and the concerns were addressed.

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Marked as reviewed by mdoerr (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11442