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authorAndi Kleen <ak@suse.de>2006-09-30 01:47:55 +0200
committerAndi Kleen <andi@basil.nowhere.org>2006-09-30 01:47:55 +0200
commitd802ab981da67d433fbb48f5640b7e3a9ba9fd54 (patch)
treed0499267b945c506c5d3ad0c52608e0fd815385f /arch
parentded318ec80071557155604197ea45dcdb2a9ff2f (diff)
[PATCH] Document iommu=panic
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86_64/kernel/pci-dma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index 58be7929b4e2..f8d857453f8a 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -245,6 +245,7 @@ EXPORT_SYMBOL(dma_set_mask);
noaperture Don't touch the aperture for AGP.
allowdac Allow DMA >4GB
nodac Forbid DMA >4GB
+ panic Force panic when IOMMU overflows
*/
__init int iommu_setup(char *p)
{