On Fri, 2004-12-31 at 00:07 +0100, Florian Schmidt wrote: Yes, of course the RT kernel is a lot better, but I agree with Jack that it's important to have good realtime support in the base kernel. Previous Linux kernels were much worse than the proprietary alternatives, so having a kernel release that's as good or better is a huge milestone. Can you imagine Linux owning the server space the way it does now, if you had to patch the kernel to get superior performance? Linux got huge in this area because you could take it and install apache out of the box on a spare machine and get better server performance than the proprietary guys. Anyway, everyone's goal is to get the performance of the RT kernel out of the stock kernel anyway. So we should figure out what else needs to go upstream before 2.6.11. I think in order for it to get much better we need the softirq and hardirq threading stuff upstream and turning the might_sleeps into preemption points - IOW the original aspects of VP. I would still like to see a comparison between RT and DESKTOP. I think it's reasonable that we could get PREEMPT_DESKTOP like performance out of the vanilla kernel very soon. Lee