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[PATCH] x86_64: Use -ENODEV in IOMMU initialization

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Fix

initcall at 0xffffffff806c5b89: pci_iommu_init+0x0/0x53c(): returned with error code -1

Return -ENODEV instead when the IOMMU is not used.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-06-26 13:56:49 +02:00 committed by Linus Torvalds
parent 6ebcc00e95
commit f201611fce
1 changed files with 3 additions and 3 deletions
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6
arch/x86_64/kernel/pci-gart.c
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@ -581,7 +581,7 @@ static int __init pci_iommu_init(void)
if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0) {
printk(KERN_INFO "PCI-GART: No AMD northbridge found.\n");
return -1;
return -ENODEV;
}
#ifndef CONFIG_AGP_AMD64
@ -595,7 +595,7 @@ static int __init pci_iommu_init(void)
#endif
if (swiotlb)
return -1;
return -ENODEV;
if (no_iommu ||
(!force_iommu && end_pfn <= MAX_DMA32_PFN) ||
@ -607,7 +607,7 @@ static int __init pci_iommu_init(void)
"but IOMMU not available.\n"
KERN_ERR "WARNING 32bit PCI may malfunction.\n");
}
return -1;
return -ENODEV;
}
printk(KERN_INFO "PCI-DMA: using GART IOMMU.\n");