linux-kernel - Re: agpgart: when telling user you'll corrupt his data, at least do it at KERN

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Message-ID: <20080328134451.GB4544@ucw.cz>
Date:	Fri, 28 Mar 2008 14:44:51 +0100
From:	Pavel Machek <pavel@....cz>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <andi@...stfloor.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: agpgart: when telling user you'll corrupt his data, at least do it at KERN_CRIT

On Fri 2008-03-28 12:35:28, Ingo Molnar wrote:
> 
> * Pavel Machek <pavel@....cz> wrote:
> 
> > IOMMU off means very bad stuff may happen, like data corruption on 
> > your hard drives. At least tells users this is serious...
> 
> ouch. Please at minimum lets turn this into a panic(), but best would be 
> to trim memory in this case, hm?

Andi tells me we already fallback to swiotlb, so messages are not on
wrong loglevel; they contain confusing/obsolete text. 

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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