RFR: 8241390: 'Deadlock' with VM_RedefineClasses::lock_classes() [v3]

[Serguei Spitsyn]

On Fri, 18 Sep 2020 01:02:24 GMT, Daniil Titov <dtitov at openjdk.org> wrote:

>> The change fixes a 'deadlock' situation in VM_RedefineClasses::lock_classes() when the current thread is in the middle
>> of redefining the same class. The change is based on the fix [1] suggested in the Jira issue [2] comment.
>> [1] http://cr.openjdk.java.net/~jiangli/8241390/webrev.00/
>> [2] https://bugs.openjdk.java.net/browse/JDK-8241390
>> 
>> Testing: :jdk_instrument, tier1-tier3, and tier5 tests pass.
>
> Daniil Titov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Corrected test summary

Marked as reviewed by sspitsyn (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/190