> Subject: [Intel-IOMMU] Fix for IOMMU early crash
>
> pci_dev's->sysdata is highly overloaded and currently
> IOMMU is broken due to IOMMU code depending on this field.
>
> This patch introduces new field in pci_dev's dev.archdata struct to
> hold IOMMU specific per device IOMMU private data.
>
On Thu, Oct 04, 2007 at 01:39:39PM +1000, Benjamin Herrenschmidt wrote:
>
> > > Why don't you use the new struct dev_archdata mechanism ? That's what I
> > > use on powerpc to provide optional iommu linkage to any device in the
> > > system.
> > Good one. I will certainly try out your idea and wil
> > Why don't you use the new struct dev_archdata mechanism ? That's what I
> > use on powerpc to provide optional iommu linkage to any device in the
> > system.
> Good one. I will certainly try out your idea and will update the list
> tomorrow.
The advantage is that it allows to completely isola
On Thu, Oct 04, 2007 at 11:19:33AM +1000, Benjamin Herrenschmidt wrote:
> > Index: 2.6-mm/include/linux/pci.h
> > ===
> > --- 2.6-mm.orig/include/linux/pci.h 2007-10-03 13:48:20.0 -0700
> > +++ 2.6-mm/include/linux/pci.h 2
> Index: 2.6-mm/include/linux/pci.h
> ===
> --- 2.6-mm.orig/include/linux/pci.h 2007-10-03 13:48:20.0 -0700
> +++ 2.6-mm/include/linux/pci.h2007-10-03 13:49:08.0 -0700
> @@ -195,6 +195,7 @@
> #ifdef CONFIG_PC
Subject: [patch][Intel-IOMMU] Fix for IOMMU early crash
pci_dev's->sysdata is highly overloaded and currently
IOMMU is broken due to IOMMU code depending on this field.
This patch introduces new field in pci_dev's struct to
hold IOMMU specific per device IOMMU private data.
Signed-off-by: Anil S
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