----- Ursprüngliche Mail ----- > Von: "anton ivanov" <anton.ivanov@xxxxxxxxxxxxxxxxxx> > It's been a while. I remember that I dropped it at the time, but do not remember > the full details. > > There was some stuff related to FP state and a few other issues I ran into while > rewriting the interrupt controller. Some of it may be resolved by now as we are > using host cpu flags, etc. I remember also having a hacky but working version almost 10 years ago. It was horrible slow because of the extra scheduler rounds. But yes, if PREEMPT will be a must-have feature we'll have to try again. Thanks, //richard