There has been relatively little noise out of the realtime preemption camp in recent months. That does not mean that the realtime developers have been idle, though; instead, they are preparing for the realtime endgame: the merger of the bulk of the remaining patches into the mainline kernel. The 2.6.31-rc4-rt1 tree recently announced by Thomas Gleixner shows the results of much of this work. This article will look at some of the recent changes to -rt.