Re: BKL in tty code?

[James Simmons]

> > There is probably some cleanup that is possible, but really getting the
> > thing in gear (which means no BKL, which is probably the hardest part to
> > rip out) require some level of rewrite.
> 
> I've been thinking about the serial layer, and its far from trivial.
> Unless its done right, we'll end up with a mess of locks -> deadlock.

All the locking should be moved to the upper tty layers. Why implement the
wheel over and over agin for each type of tty device.