Исходная бумага по Meltdown?

"Similarly,
if the processor lacks certain features, e.g., no re-order
buffer, our current implementation might not be able to
leak data. However, for both ARM and AMD, the toy
example as described in Section 3 works reliably, indi-
cating that out-of-order execution generally occurs and
instructions past illegal memory accesses are also per-
formed."