RFR: 8262443: GenerateOopMap::do_interpretation can spin for a long time. [v2]

[Robbin Ehn]

On Fri, 26 Feb 2021 23:20:54 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This seems legit. This can be called by the compiler thread while in native, or during GC or during the rewriter if jsr/ret is found. I assume the last case is what you observed?

There are several code paths here, e.g. from has_balanced_monitors() is all those during jsr/ret? I don't know.

Thanks for having a look, @coleenp, @dholmes-ora, @dcubed-ojdk.
Waiting for Dan to approve.

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PR: https://git.openjdk.java.net/jdk/pull/2742