From d802ab981da67d433fbb48f5640b7e3a9ba9fd54 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Sat, 30 Sep 2006 01:47:55 +0200 Subject: [PATCH] Document iommu=panic Signed-off-by: Andi Kleen --- arch/x86_64/kernel/pci-dma.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/x86_64') diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c index 58be7929b4e..f8d857453f8 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) { -- cgit v1.2.3