Re: Question about iommu on x86_64 and radeon driver.

[Konrad Rzeszutek Wilk]

On Fri, May 27, 2011 at 04:48:39PM +0100, Daniel Haid wrote:
> I have looked again at the radeon driver and it seems that the
> drm drivers use vmalloc_32 to allocate their dma memory and
> that vmalloc_32 should allocate physical 32-bit addresses
> (in 2.6.39)?

The DRM code is not used anymore. It was used by XFree86 but nowadays
the TTM code is used instead.

> 
> So why does it still not work?

Ah, this would be a lengthy writeup.. so did you look at the
link I pointed you to?
--
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/