Re: agpgart: when telling user you'll corrupt his data, at leastdo it at KERN_CRIT

[Ingo Molnar]

* Jiri Kosina <jkosina@xxxxxxx> wrote:

> On Fri, 28 Mar 2008, Ingo Molnar 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?
> 
> Are you suggesting to panic on all 64bit machines having more than 4G 
> RAM without IOMMU turned on? Why, if swiotlb can still work nicely in 
> such situations?

no, but we should avoid Pavel's disk corruption scenario ;-)

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/