diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/pci-gart.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 9d3d76c85ae..2480d3f08a4 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -639,6 +639,14 @@ static int __init pci_iommu_init(void) return -1; } + i = 0; + for_all_nb(dev) + i++; + if (i > MAX_NB) { + printk(KERN_ERR "PCI-GART: Too many northbridges (%ld). Disabled\n", i); + return -1; + } + printk(KERN_INFO "PCI-DMA: using GART IOMMU.\n"); aper_size = info.aper_size * 1024 * 1024; iommu_size = check_iommu_size(info.aper_base, aper_size); |