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

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Message-ID: <20111222101556.GA12976@elte.hu>
Date:	Thu, 22 Dec 2011 11:15:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ted Ts'o <tytso@....edu>, Greg KH <greg@...ah.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	akpm@...ux-foundation.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH 6/7] printk: Poke printk extra hard


* Peter Zijlstra <a.p.zijlstra@...llo.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.

> 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.

Thanks,

	Ingo
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