lwn.net has a very interesting interview with thomas gleixner and ingo molnar about the future of the realtime preeemption tree. this is a free link to content that is normally subscribers only: http://lwn.net/SubscriberLink/319544/7cdf603c88f8dbd0/ i hope it's ok to post such a link in a public place. the whole lwn issue will become freely available in a week or so. lwn is a great resource and interesting reading, and if you've got a few dollars to spare, consider subscribing to keep them going.