[PATCH] x86-64: Don't allocate aperture when swiotlb is enabled and no AGP found
No-one needs it then Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -245,6 +245,8 @@ void __init iommu_hole_init(void)
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if (aper_alloc) {
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/* Got the aperture from the AGP bridge */
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} else if (swiotlb && !valid_agp) {
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/* Do nothing */
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} else if ((!no_iommu && end_pfn >= 0xffffffff>>PAGE_SHIFT) ||
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force_iommu ||
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valid_agp ||
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