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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-30 15:37:55 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-30 15:37:55 (GMT)
commit369aa8395a5dcc89230f1de5459124c4b0db9fca (patch)
treed95edf4c52e343e2080427ad153da051ea52eee6 /Documentation
parentbf603625660b1742004bf86432ce3c210d14d4fd (diff)
parentc84ef5305930d19bdd6cd576b3a3a73786a82e57 (diff)
downloadlinux-fsl-qoriq-369aa8395a5dcc89230f1de5459124c4b0db9fca.tar.xz
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: [PATCH] Use early clobber in semaphores [PATCH] Define vsyscall cache as blob to make clearer that user space shouldn't use it [PATCH] Re-positioning the bss segment [PATCH] Use ARRAY_SIZE in setup.c [PATCH] i386: replace intermediate array-size definitions with ARRAY_SIZE() [PATCH] x86: Clean up x86 NMI sysctls [PATCH] Refactor some duplicated code in mpparse.c [PATCH] Document iommu=panic [PATCH] Fix broken indentation in iommu_setup [PATCH] Allow disabling DAC using command line options [PATCH] Add proper sparse __user casts to __copy_to_user_inatomic [PATCH] i386: Update defconfig [PATCH] Update defconfig
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/x86_64/boot-options.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index 4303e0c..74b77f9 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]