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AMD IOMMU: add parameter to disable device isolation

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Impact: add a new AMD IOMMU kernel command line parameter

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Joerg Roedel
2008-11-17 15:07:17 +01:00
parent 4e14e833ac
commit e5e1f606ec
2 changed files with 4 additions and 0 deletions
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Documentation/kernel-parameters.txt
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@@ -295,6 +295,8 @@ and is between 256 and 4096 characters. It is defined in the file
isolate - enable device isolation (each device, as far
as possible, will get its own protection
domain)
share - put every device behind one IOMMU into the
same protection domain
fullflush - enable flushing of IO/TLB entries when
they are unmapped. Otherwise they are
flushed before they will be reused, which