RFR: 8233280: Remove GCLockerInvokesConcurrent

[Stefan Johansson]

Hi Kim,

On 2019-11-14 05:36, Kim Barrett wrote:
> Please review this change to obsolete the GCLockerInvokesConcurrent
> product option, as a step toward removal.  Normally removal of a
> product option involves a 3-step process of deprecate, obsolete, and
> remove.  In this case, for reasons discussed in the CR and the
> associated CSR, we propose to skip the deprecation step and go
> straight to obsolete.
>
I fully agree with the reasoning in the CR and CSR.

> CR:
> https://bugs.openjdk.java.net/browse/JDK-8233280
> 
> Webrev:
> https://cr.openjdk.java.net/~kbarrett/8233280/open.00/
> 
Looks good,
Stefan

> Testing:
> Local (linux-x64) build and hotspot:tier1.
> 
> Searched the entire source tree (including Oracle's closed part) for
> references, finding none except the new entry in the special_jvm_flags
> table.
> 
> Verified this option is not mentioned in the GC Tuning Guide.
>