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authorJoerg Roedel <joerg.roedel@amd.com>2010-05-11 17:12:33 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2010-05-11 17:12:33 +0200
commita52357259680fe5368c2fabf5949209e231f2aa2 (patch)
treed29e61c3d2f4a01dd17b381762b81c0196045b01 /Documentation/kernel-parameters.txt
parentb57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff)
downloadop-kernel-dev-a52357259680fe5368c2fabf5949209e231f2aa2.zip
op-kernel-dev-a52357259680fe5368c2fabf5949209e231f2aa2.tar.gz
x86/amd-iommu: Add amd_iommu=off command line option
This patch adds a command line option to tell the AMD IOMMU driver to not initialize any IOMMU it finds. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 839b21b..0c6c560 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -324,6 +324,8 @@ and is between 256 and 4096 characters. It is defined in the file
they are unmapped. Otherwise they are
flushed before they will be reused, which
is a lot of faster
+ off - do not initialize any AMD IOMMU found in
+ the system
amijoy.map= [HW,JOY] Amiga joystick support
Map of devices attached to JOY0DAT and JOY1DAT
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