RFR: 8283849: AsyncGetCallTrace may crash JVM on guarantee [v9]

[David Holmes]

On Tue, 17 May 2022 15:48:47 GMT, Jaroslav Bachorik <jbachorik at openjdk.org> wrote:

>> I thought that "this approach" referred to the approach of this PR (possibly renaming the flag), as CrashProtection is orthogonal to the issue that this PR solves.
>
>> thought that "this approach" referred to the approach of this PR (possibly renaming the flag)
> 
> ^ this
> 
> But still, I would prefer to defer any further improvements into a separate PR.

> It would be interesting to see if it this ASGCT flag is useful in JFR
@parttimenerd , if you mean whether JFR might also benefit from a flag that indicates whether a thread is executing in some "sensitive" location, then perhaps. But there is only one ASGCT and AFAIK JFR does not use it. But that is a discussion for another place.

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PR: https://git.openjdk.java.net/jdk/pull/8549