Re: [patch 5/8] [Intel IOMMU] Graphics driver workarounds toprovide unity map

[David Miller]

From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 10 Apr 2007 09:33:51 +0100

> On Mon, Apr 09, 2007 at 02:55:57PM -0700, Ashok Raj wrote:
> > Most GFX drivers don't call standard PCI DMA APIs to allocate DMA buffer,
> > Such drivers will be broken with IOMMU enabled. To workaround this issue, 
> > we added two options.
> 
> All drm drivers do it.  If the usual out of tree crap vendors are too
> stupid for their own sake it's their fault.
> 
> So NACK to this patch.

That's my feeling as well, everything we care about should be using
the proper APIs or else what is the point of them...
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