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| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 08:45:08 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 08:45:08 -0400 |
| commit | 59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch) | |
| tree | f1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /Documentation/x86_64/boot-options.txt | |
| parent | 825f9075d74028d11d7f5932f04e1b5db3022b51 (diff) | |
| parent | d834c16516d1ebec4766fc58c059bf01311e6045 (diff) | |
Merge branch 'master' into gfs2
Diffstat (limited to 'Documentation/x86_64/boot-options.txt')
| -rw-r--r-- | Documentation/x86_64/boot-options.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 4303e0c1247..74b77f9e91b 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -199,6 +199,11 @@ IOMMU allowed overwrite iommu off workarounds for specific chipsets. soft Use software bounce buffering (default for Intel machines) noaperture Don't touch the aperture for AGP. + allowdac Allow DMA >4GB + 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] |