RFR: Out-of-TLAB allocation should overwrite stale copies

[Roman Kennke]

Does that fix the crash that zgu's been chasing for weeks now?

Am 15. Juni 2017 13:10:37 MESZ schrieb Zhengyu Gu <zgu at redhat.com>:
>Yes! I think this is the case. Looks good to me.
>
>Thanks,
>
>-Zhengyu
>
>On 06/15/2017 06:18 AM, Aleksey Shipilev wrote:
>> One of the failures we were chasing for a while now was apparently
>caused by the
>> trouble with out-of-TLAB allocation during evacuation. Then, we could
>leave the
>> "alive" object with garbled ptrs, on which we'd then crash during
>subsequent
>> pauses. See more details in the patch comments.
>>
>> Fix:
>>  
>http://cr.openjdk.java.net/~shade/shenandoah/evac-non-tlab/webrev.02
>>
>> I also cleaned up evacuate_object while we are at it.
>>
>> Testing: hotspot_gc_shenandoah (includes tests that were failing
>before)
>>
>> Thanks,
>> -Aleksey
>>

-- 
Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet.