Re: printk() vs tty_io

[Linus Torvalds]

On Tue, Dec 13, 2011 at 11:33 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> I've been poking at reducing the constraints on printk(), like make it
> work under rq->lock etc..

You aren't supposed register a console that wakes things up. But the
only console that honors that afaik is the traditional vt console.
*Maybe* the network console, I didn't check.

I *assume* you only get this lockdep warning if you have a serial console?

                       Linus
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