On Tue, 13 Dec 2011 14:01:29 -0800, Jesse Barnes <jbarnes at virtuousgeek.org> wrote: > We had some async code to take all of this out of the boot time > critical path at least... I thought Chris merged them long ago but I > guess they were dropped. Chris? It never made it upstream because it had a tendency to hang machines during boot, as the async code was broken at the time wrt handling multiple async domains and it interacted badly with PIO hard disk controllers. After a little bit of digging I found: http://cgit.freedesktop.org/~ickle/linux-2.6/commit/?h=async&id=470d6985b508466308fc4c6aec945cdbf6de39b8 -Chris -- Chris Wilson, Intel Open Source Technology Centre