On Wed, 7 May 2008, Andrew Morton wrote: > On Wed, 7 May 2008 10:08:18 -0700 (PDT) Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > > Which is why I'm 100% convinced it's not even worth saving the old code. > > It needs to use mutexes, or spinlocks. I bet it has *nothing* to do with > > "slow path" other than the fact that it gets to that slow path much more > > these days. > > Stupid question: why doesn't lock_kernel() use a mutex? Not stupid. The only reason some code didn't get turned over to mutexes was literally that they didn't want the debugging because they were doing intentionally bad things. I think the BKL is one of them (the console semaphore was another, iirc). Linus -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html