On Fri, Jan 07, 2022 at 10:50:47AM -0500, Tom Talpey wrote: > Keep in mind that ATOMIC_WRITE allows an application to poll a 64-bit > location to receive a result, without reaping any completion first. The > value must appear after all prior operations have completed. And the > entire 64-bit value must be intact. That's it. This is exactly why it is a release operation. Jason