RFR(S): 8189425: Minor updates in support of closed changes

David Holmes david.holmes at oracle.com
Thu Oct 19 01:41:55 UTC 2017


Hi Erik,

On 19/10/2017 6:04 AM, Erik Gahlin wrote:
> Hi David,
> 
>> Hi Erik,
>>
>> On 18/10/2017 12:23 PM, Erik Gahlin wrote:
>>> Hi,
>>>
>>> Could I have a review of this change that will adjust an assertion and 
>>
>> Can you explain the adjustment please.
> We have closed code that modifies the mark word and then changes it back 
> during a safepoint. When the mark word is modified, we reuse GC 
> infrastructure that run into the assert. If we change the assert to 
> ignore checking that the mark word is NULL, we don't run into the problem.

Ok. This weakens the assert somewhat but then I don't know what it is 
really trying to catch.

>>
>>> remove a lock associated with JFR.
>>
> 
> I forgot to modify the header file, see updated webrev.
> 
> http://cr.openjdk.java.net/~egahlin/8189425_1/

Okay.

> I  also made a change to GrowableArray, the insert_sorted method now 
> takes a const.

Presumably ok.

Thanks,
David

> Thanks
> Erik
> 
>> That bit is fine :)
>>
>> Thanks,
>> David
>>
>>> Webrev:
>>> http://cr.openjdk.java.net/~egahlin/8189425_0
>>>
>>> Bug:
>>> https://bugs.openjdk.java.net/browse/JDK-8189425
>>>
>>> Thanks
>>> Erik
>>>
>>>
> 


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