[14] RFR 8237396: JvmtiTagMap::weak_oops_do() should not trigger barriers
Zhengyu Gu
zgu at redhat.com
Mon Jan 20 13:56:10 UTC 2020
Thanks, Roman.
-Zhengyu
On 1/20/20 8:43 AM, Roman Kennke wrote:
> Hi Zhengyu,
>
> The change looks good to me. I was worried about other GCs, and Stefan
> has confirmed that it's ok there.
>
> Thanks,
> Roman
>
>
>> Please review this small patch that avoids barriers in
>> JvmtiTagMap::weak_oops_do() method.
>>
>> The method is used by GC and GC expects to see raw oops.
>>
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8237396
>> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8237396/webrev.00/
>>
>> Test:
>> hotspot_gc
>> vmTestbase_nsk_jvmti
>> (fastdebug and release) on x86_64 Linux
>>
>> Submit test in progress.
>>
>> Thanks,
>>
>> -Zhengyu
>>
>
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