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-rw-r--r--arch/x86_64/kernel/pci-dma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index 58be7929b4e..f8d857453f8 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -245,6 +245,7 @@ EXPORT_SYMBOL(dma_set_mask);
noaperture Don't touch the aperture for AGP.
allowdac Allow DMA >4GB
nodac Forbid DMA >4GB
+ panic Force panic when IOMMU overflows
*/
__init int iommu_setup(char *p)
{