On Mon, 2006-06-19 at 23:11 +0200, Stefan Westerfeld wrote: > The spin_lock(&bh->lock) is the one I was referring to in my earlier > mail.
Taking a spinlock should be realtime safe - they are not supposed to be held for long and cannot sleep. Worst case scenario should be that you spin for a few hundred microseconds. It's a bug if a spinlock is held for much longer or is heavily contended. Lee
