On Fri, Jun 01, 2007 at 09:01:45PM +0200, Andi Kleen wrote:
> Bad idea imho. swiotlb mappings should always lead to printk by default
> because it is pretty dangerous.
>
> One possible solution for this I could think of would be to define a
> new pci_map_sg_couldfail() or similar that doesn't warn and use a weak
> fallback just calling pci_map_sg on other IOMMU implementations.
pci_map_sg is defined to be failing when running out of ressources, which
is perfectly fine. We don't printk on kmalloc failures either (actually
in some cases which is highly annoying and leads people to stick a
__GFP_NOWARN into various places)
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