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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-02 05:48:50 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-02 05:48:50 +0900
commitf0f52a9463839c52a63c05d6e7d4a330d94a9794 (patch)
treed964f65aa37dd46b457bc615f2f37e75390c6df8 /Documentation
parent0f48f2600911d5de6393829e4a9986d4075558b3 (diff)
parent70e535d1e5d1e4317e894d6228b762cf9c3fbc6a (diff)
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Merge git://git.infradead.org/iommu-2.6
* git://git.infradead.org/iommu-2.6: intel-iommu: Fix off-by-one in RMRR setup intel-iommu: Add domain check in domain_remove_one_dev_info intel-iommu: Remove Host Bridge devices from identity mapping intel-iommu: Use coherent DMA mask when requested intel-iommu: Dont cache iova above 32bit intel-iommu: Speed up processing of the identity_mapping function intel-iommu: Check for identity mapping candidate using system dma mask intel-iommu: Only unlink device domains from iommu intel-iommu: Enable super page (2MiB, 1GiB, etc.) support intel-iommu: Flush unmaps at domain_exit intel-iommu: Remove obsolete comment from detect_intel_iommu intel-iommu: fix VT-d PMR disable for TXT on S3 resume
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5438a2d..d9a203b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -999,7 +999,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
With this option on every unmap_single operation will
result in a hardware IOTLB flush operation as opposed
to batching them for performance.
-
+ sp_off [Default Off]
+ By default, super page will be supported if Intel IOMMU
+ has the capability. With this option, super page will
+ not be supported.
intremap= [X86-64, Intel-IOMMU]
Format: { on (default) | off | nosid }
on enable Interrupt Remapping (default)