RFR: AArch64: org.openjdk.jcstress.tests.varhandles.DekkerTest fails

Andrew Dinn adinn at redhat.com
Tue Mar 6 17:01:54 UTC 2018

On 06/03/18 16:24, mark.reinhold at oracle.com wrote:
> 2018/3/6 4:23:07 -0800, adinn at redhat.com:
>> Could someone please review the following patch to /shared code/ which
>> fixes an AArch64 breakage that was inadvertently introduced by JDK-8181211:
>>   webrev: http://cr.openjdk.java.net/~adinn/8198950/webrev.00
>>   JIRA: https://bugs.openjdk.java.net/browse/JDK-8198950
>> The patch applies to jdk/hs. It also applies cleanly to jdk/jdk10.
>> I would like it to be considered for inclusion in jdk10 if at all
>> possible because it patches a critical error in handling of volatile
>> reads that may result in incorrect memory synchronization.
> Andrew -- thanks for the thorough analysis.
> So far Tobias and Roland have reviewed your change.  I'm not qualified
> to review it myself, so since it's very late in the game for JDK 10 I'd
> like to see reviews from at least a couple more C2 committers before we
> make a call on this.
Sure, that's an understandably cautious reaction. Perhaps a Vladimir (or
two :-) might be able to take a look?

Thanks very much for even considering this for inclusion in jdk10 at
such a late stage.


Andrew Dinn
Senior Principal Software Engineer
Red Hat UK Ltd
Registered in England and Wales under Company Registration No. 03798903
Directors: Michael Cunningham, Michael ("Mike") O'Neill, Eric Shander

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