RFR 8184732: Deadlock detection improvements for 'special' locks

coleen.phillimore at oracle.com coleen.phillimore at oracle.com
Mon Sep 30 16:46:06 UTC 2019


Thanks Erik!
Coleen

On 9/30/19 12:04 PM, Erik Österlund wrote:
> Hi Coleen,
>
> Looks good to me. Thanks for taking care of it.
>
> /Erik
>
> On fredag 27 september 2019 kl. 20:20:34 CEST coleen.phillimore at oracle.com
> wrote:
>> Summary: Assert that special ranked locks cannot safepoint and
>> allow_vm_block and remove locks from the exceptional lock
>> list in no_safepoint_verifier.
>>
>> The Compile_lock shouldn't be used by the VM thread or it would
>> deadlock.   Implemented most of the suggestions in the RFE.  Many have
>> already been cleaned up.
>>
>> Tested with tier1 on all Oracle platforms, and tier2-6 on linux-x64, and
>> new test.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/2019/8184732.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8184732
>>
>> Thanks,
>> Coleen
>
>
>



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