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x86: move GART TLB flushing options to generic code

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The GART currently implements the iommu=[no]fullflush command line
parameters which influence its IO/TLB flushing strategy. This patch
makes these parameters generic so that they can be used by the AMD IOMMU
too.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joerg Roedel
2008-09-18 15:23:43 +02:00
committed by Ingo Molnar
parent 270cab2426
commit 2842e5bf31
5 changed files with 18 additions and 15 deletions
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4
Documentation/kernel-parameters.txt
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@@ -893,6 +893,10 @@ and is between 256 and 4096 characters. It is defined in the file
nomerge
forcesac
soft
fullflush
Flush IO/TLB at every deallocation
nofullflush
Flush IO/TLB only when addresses are reused (default)
intel_iommu= [DMAR] Intel IOMMU driver (DMAR) option