Re: Deadlock in serial driver 2.6.x

[Alan Cox]

On Sul, 2005-01-30 at 16:48, Russell King wrote:
> Unsolvable as the tty layer currently stands.  tty needs to not call back
> into serial drivers when they supply read characters from their interrupt
> functions.

The tty layer cannot fix this for now, and I don't intend to fix it. Fix
the serial driver: the fix is quite simple since you can keep a field in
the driver for now to detect recursive calling into the echo case and
don't relock.

Alan

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