Re: [PATCH 1/2] IOMMU Identity Mapping Support:iommu_identity_mapping definition
From: Muli Ben-Yehuda
Date: Thu Jun 18 2009 - 14:11:51 EST
On Thu, Jun 18, 2009 at 11:05:14AM -0700, Fenghua Yu wrote:
> IOMMU Identity Mapping Support: iommu_identity_mapping definition
> Identity mapping for IOMMU defines a single domain to 1:1 map all
> pci devices to all usable memory.
Why use VT-d at all in this case? Do you have a use-case in mind?
> This method may lose some of DMA remapping benefits like isolation.
I think you meant s/may/will/.
Muli Ben-Yehuda | muli@xxxxxxxxxx | +972-4-8281080
Manager, Virtualization and Systems Architecture
Master Inventor, IBM Haifa Research Laboratory
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/