RFR: 8317452: [JVMCI] Export symbols used by lightweight locking to JVMCI compilers. [v2]

[Yudi Zheng]

On Wed, 4 Oct 2023 07:34:48 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

>> Yudi Zheng has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove JVMCIUseFastLocking.
>
> src/hotspot/share/jvmci/jvmci_globals.hpp line 130:
> 
>> 128:           "Exclude JVMCI compiler threads from benchmark counters")         \
>> 129:                                                                             \
>> 130:   develop(bool, JVMCIUseFastLocking, true,                                  \
> 
> You should just delete this option - JVMCI is clearly marked as experimental.
> What you have in this PR is not proper deprecation. What if someone specifies `-XX:-JVMCIUseFastLocking`? They will get no warning or VM exit.

Indeed. I have deleted the option.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16032#discussion_r1345341668