From d802ab981da67d433fbb48f5640b7e3a9ba9fd54 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@suse.de>
Date: Sat, 30 Sep 2006 01:47:55 +0200
Subject: [PATCH] Document iommu=panic

Signed-off-by: Andi Kleen <ak@suse.de>
---
 Documentation/x86_64/boot-options.txt | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Documentation')

diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index e97a4c8fe6ea..74b77f9e91bc 100644
--- a/Documentation/x86_64/boot-options.txt
+++ b/Documentation/x86_64/boot-options.txt
@@ -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]
 
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