Re: [RFC][PATCH 6/7] printk: Poke printk extra hard

From: Peter Zijlstra
Date: Thu Dec 22 2011 - 05:20:18 EST


On Thu, 2011-12-22 at 11:15 +0100, Ingo Molnar wrote:
> * Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:
>
> > On Thu, 2011-12-22 at 10:03 +0100, Ingo Molnar wrote:
> >
> > > Could be made part of the locking self-tests - that way it
> > > does not add an extra config option! ;-)
> >
> > Fair chance it will blow up and disable lockdep for pretty
> > much every console implementation out there, except 8250serial
> > when used in conjunction with all patches in this thread.
>
> If it blows up without being fixed then it's not a good idea.

Right, and we can't fix them, its 'allowed'. I just wanted to make sure
I had the debug option so that I can debug my own serial consoles to
make sure they do behave nicely.

> > Maybe not the normal vga console, but I haven't tried on a
> > machine that has a monitor attached yet (they're usually not
> > on remote power switches and I'm too lazy to reach over and
> > press reset).
>
> The VGA console does not require a monitor attached.

Ah, right, I could just add it to the console list together with the
serial thing.
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