[jmm-dev] Actual IRIW use case?

Andrew Haley aph at redhat.com
Wed Sep 30 16:07:24 UTC 2020

On 30/09/2020 08:13, David Holmes wrote:
> On 30/09/2020 3:11 pm, Martin Buchholz wrote:
>> I suspect it's as simple as: the "application" is an IRIW test in jcstress.
> No this is code in the monitor subsystem that exposes an IRIW-type 
> situation whereby on a non-multi-copy-atomic system we need a full 
> fence() rather than a simple loadload() barrier.
> Erik Osterlund would have to explain the technical details, but this is 
> VM code and nothing to do with JMM or Java-level synchronization.

Sure, but it'd still be useful to know what the actual IRIW case is.

Paging Erik Österlund...

Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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