[RFR]: 8187590: Zero runtime can lock-up on linux-alpha

[Andrew Haley]

On 15/09/17 22:15, John Paul Adrian Glaubitz wrote:
> Please review this change [1] which fixes random lockups of the Zero runtime
> on linux-alpha. This was discovered when building OpenJDK on the Debian
> automatic package builders for Alpha, particularly on SMP machines.
> 
> It was observed that the issue could be fixed by installing a uni-processor
> kernel. After some testing, we discovered that the proper fix is to use
> __sync_synchronize() even for light memory barriers.

That looks right, thanks.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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