[concurrency-interest] jdk9 VarHandle and Fence methods

Andrew Haley aph at redhat.com
Mon Aug 24 05:53:00 EDT 2015


On 08/23/2015 05:17 PM, thurstonn wrote:
> That's what I was referring to; I  presumed update_barrier_set resulted in
> some sort of store fence

As others have said, that's a GC write barrier.  This confusion is one
reason why we try to talk about "fence" instructions on this list, and
GC "barriers."

Andrew.



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