RFR: 8220240: Refactor shared dirty card queue

[Leo Korinth]

Hi Kim,

This looks good to me as well.

Thanks,
Leo

On 13/03/2019 12:44, Thomas Schatzl wrote:
> Hi Kim,
> 
> On Tue, 2019-03-12 at 15:06 -0400, Kim Barrett wrote:
>>> On Mar 12, 2019, at 9:30 AM, Thomas Schatzl <
>>> thomas.schatzl at oracle.com> wrote:
>>>
>>> On Fri, 2019-03-08 at 19:20 -0500, Kim Barrett wrote:
>>>>
>>>> CR:
>>>> https://bugs.openjdk.java.net/browse/JDK-8220240
>>>>
>>>> Webrev:
>>>> http://cr.openjdk.java.net/~kbarrett/8220240/open.00/
>>>>
>>>> I'll update copyrights before pushing.
>>>
>>> Some very minor issues:
>>>
>>> - g1DirtyCardQueue.hpp:70:71: superfluous linebreaks
>>>
>>> - please add a sentence/comment what G1SharedDirtyCardQueue is at
>>> the declaration.
>>>
>>> Looks good otherwise. Do not need to re-review these changes.
>>>
>>> Thanks,
>>>   Thomas
>>
>> Thanks.
>>
>> I added the following comments:
>>
>> +// A dirty card queue providing thread-safe enqueue.  A shared
>> +// global instance can be used for cases where a thread-local dirty
>> +// card can't be used.
>>   class G1SharedDirtyCardQueue {
>>
>> and
>>
>> +  // Thread-safe addition to shared logging buffer.
>>     void enqueue(void* card_ptr);
>>
> 
> Thanks! Looks good.
> 
> Thomas
>