[8u] RFR (S) 8223177: Data race on JvmtiEnvBase::_tag_map in double-checked locking

[Aleksey Shipilev]

Thanks folks. Awaiting 8u maintainer ack.

On 8/7/19 10:57 PM, serguei.spitsyn at oracle.com wrote:
> Hi Aleksey,
> 
> The backport looks good.
> 
> Thanks,
> Serguei
> 
> 
> On 8/7/19 03:53, Aleksey Shipilev wrote:
>> Original bug:
>>    https://bugs.openjdk.java.net/browse/JDK-8223177
>>    https://hg.openjdk.java.net/jdk/jdk/rev/27c8a2e0b0e5
>>
>> This patch applies to 8u, but does not compile, because regular OrderAccess methods do not accept
>> pointers. We need to use the *_ptr_* versions of the same methods and do casts from void*.
>>
>> 8u webrev:
>>    http://cr.openjdk.java.net/~shade/8223177/webrev.8u.01/
>>
>> Testing: tier1
>>
> 


-- 
Thanks,
-Aleksey