If not (and if it is, I can't find it), what's involved in adding a new architecture? I note that "PORTING" doesn't mention NPTL. Can I do a pthreads version and then add NPTL support? (What's involved in adding NPTL to a pthreads-only target?) Rob -- Latency is more important than throughput. It's that simple. - Linus Torvalds