Commit 5b22a385 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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[PATCH] x86_64: Tell user to enable GART_IOMMU when needed 



Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 7554c3f0

arch/x86_64/kernel/pci-nommu.c

+3 −2
Original line number Diff line number Diff line
@@ -92,7 +92,8 @@ void __init no_iommu_init(void) 
	dma_ops = &nommu_dma_ops;

	if (end_pfn > MAX_DMA32_PFN) {

		printk(KERN_ERR

		       "WARNING more than 4GB of memory but IOMMU disabled.\n"

		       KERN_ERR "WARNING 32bit PCI may malfunction.\n");

		       "WARNING more than 4GB of memory but IOMMU not compiled in.\n"

		       KERN_ERR "WARNING 32bit PCI may malfunction.\n"

		       KERN_ERR "You might want to enable CONFIG_GART_IOMMU\n");

	}

}