[PATCH] Document iommu=panic

Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen
2006-09-30 01:47:55 +02:00
committed by Andi Kleen
parent ded318ec80
commit d802ab981d
2 changed files with 2 additions and 0 deletions
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@@ -203,6 +203,7 @@ IOMMU
When off all DMA over >4GB is forced through an IOMMU or bounce
buffering.
nodac Forbid DMA >4GB
panic Always panic when IOMMU overflows
swiotlb=pages[,force]