Re: Deadlock in serial driver 2.6.x

[Andrew Morton]

Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
>
> 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.

Are we sure that the serial driver is the only one which will hit this
deadlock?
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