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| author | Muli Ben-Yehuda <muli@il.ibm.com> | 2006-12-07 04:14:07 +0300 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-12-07 04:14:07 +0300 |
| commit | bff6547bb6a4e82c399d74e7fba78b12d2f162ed (patch) | |
| tree | faeb4e95d243b0eb5cd6337739e4c14d154b282f /Documentation/x86_64 | |
| parent | eae93755540bae18aff46b8a0e621b5d65bd5380 (diff) | |
| download | linux-bff6547bb6a4e82c399d74e7fba78b12d2f162ed.tar.xz | |
[PATCH] Calgary: allow compiling Calgary in but not using it by default
This patch makes it possible to compile Calgary in but not use it by
default. In this mode, use 'iommu=calgary' to activate it.
Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'Documentation/x86_64')
| -rw-r--r-- | Documentation/x86_64/boot-options.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index ab9b1c046c00..dbdcaf68e3ea 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -179,7 +179,7 @@ PCI IOMMU iommu=[size][,noagp][,off][,force][,noforce][,leak][,memaper[=order]][,merge] - [,forcesac][,fullflush][,nomerge][,noaperture] + [,forcesac][,fullflush][,nomerge][,noaperture][,calgary] size set size of iommu (in bytes) noagp don't initialize the AGP driver and use full aperture. off don't use the IOMMU @@ -200,6 +200,7 @@ IOMMU buffering. nodac Forbid DMA >4GB panic Always panic when IOMMU overflows + calgary Use the Calgary IOMMU if it is available swiotlb=pages[,force] |