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Message-ID: <1324549195.24803.13.camel@twins>
Subject: Re: [RFC][PATCH 6/7] printk: Poke printk extra hard
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>, "Ted Ts'o" <tytso@mit.edu>,
        Greg KH <greg@kroah.com>, Thomas Gleixner <tglx@linutronix.de>,
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Date: Thu, 22 Dec 2011 11:19:55 +0100
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On Thu, 2011-12-22 at 11:15 +0100, Ingo Molnar wrote:
> * Peter Zijlstra <a.p.zijlstra@chello.nl> 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.