Okay, i'm answering this mail, because Folderol sent it first ;) A friend of mine patched a 2.6.18 kernel with Ingo Molnars patches. If you look at Molnar's site, there are still patches for that version. Am i missing something important in the article? Were the former 2.6.18 versions unpatched and the newer ones are? Soenke Folderol wrote:

On 10/14/06, Folderol <folderol(a)ukfsn.org> wrote: Does anybody know what the TimeSys patches actually do? All this article really says is that they provide additional "real-time technology." Do they add APIs? Do they reduce the maximum latency of system calls? Are they useful at all for DAWs? All I can find on their website is: Kernel Patches * Processor-specific patches * KGDB support patches * Memory Technology Device (MTD) fixes * Miscellaneous small fixes * Cygwin-specific patches Doesn't sound very useful, except to embedded developers.