One-shot semantics in GHC event manager

[Kazu Yamamoto (=?iso-2022-jp?B?GyRCOzNLXE9CSScbKEI=?=)]

Hi Austin,

> You need to set the CPU into C0 using /dev/cpu_dma_latency. Here's a
> short paper with a program to show the way to do it[1].

This paper is what I'm looking for. Thanks!

--Kazu