Messages in this thread Patch in this message | | | Date | Wed, 18 Oct 2006 23:15:09 +0200 | From | Muli Ben-Yehuda <> | Subject | Re: PCI-DMA: Disabling IOMMU |
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On Wed, Oct 18, 2006 at 05:03:36PM +0200, Sebastian Biallas wrote:
> Should I worry about this IOMMU-disabling? All other Linux/IOMMU stuff I > found had AGP or BIOS messages nearby, but I only get this single > "PCI-DMA: Disabling IOMMU" line, without any hint.
No, it's fine. Just a badly worded information message. Andi, how about something like this?
Print a less alarming information message when we don't use GART
Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
diff -r 3f7bc84201e7 arch/x86_64/kernel/pci-gart.c --- a/arch/x86_64/kernel/pci-gart.c Wed Oct 18 09:14:19 2006 +0200 +++ b/arch/x86_64/kernel/pci-gart.c Wed Oct 18 23:13:05 2006 +0200 @@ -601,7 +601,7 @@ void __init gart_iommu_init(void) (!force_iommu && end_pfn <= MAX_DMA32_PFN) || !iommu_aperture || (no_agp && init_k8_gatt(&info) < 0)) { - printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n"); + printk(KERN_INFO "PCI-DMA: Not using GART IOMMU.\n"); if (end_pfn > MAX_DMA32_PFN) { printk(KERN_ERR "WARNING more than 4GB of memory " "but IOMMU not available.\n" - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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