RFR: 8261957: [PPC64] Support for Concurrent Thread-Stack Processing [v2]

[Martin Doerr]

On Tue, 30 Mar 2021 13:16:35 GMT, Lutz Schmidt <lucy at openjdk.org> wrote:

>> Martin Doerr has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   cleanup MacroAssembler::safepoint_poll
>
> The changes look good to me. 
> I had only one minor suggestion. It's your choice to accept or disregard it. 
> Thank you for contributing this enhancement!

Thanks for the review and the suggestion. I've cleaned up MacroAssembler::safepoint_poll.

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PR: https://git.openjdk.java.net/jdk/pull/2841