On Fri, 2011-11-11 at 14:48 +0100, Joerg Roedel wrote: > +#define intel_iommu_gfx_mapped 1
That ought to be zero; if the IOMMU code isn't present, it's *definitely* not mapped through the IOMMU :) But I'm fairly sure this was already noticed and a patch is on its way upstream already. It's my fault — my original testing patches to expose this information from the IOMMU code did put it into a header file, but when I sent it upstream I missed that part of the patch, thus leading to the horrid 'extern int intel_iommu_gfx_mapped;' in intel-gtt.c that your patch removes. -- dwmw2
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