franz1981 commented on issue #5: ARTEMIS-2533 Support multiple architecture for ASYNCIO kernel by-pass URL: https://github.com/apache/activemq-artemis-native/pull/5#issuecomment-547575936 The issue is the reordering performed by the processor: on x86 such operation won't get reordered and we can just use memory barriers for the compilers, but power pc (like arm) does aggressive reordering and I'm not sure is ok, it can fail without being unnoticed. Indeed the Linux kernel implement the barriers for power pc in a different way then x86.
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