Messages in this thread |  | | | Subject | Re: [PATCH 0/2] x86: per-device dma_mapping_ops | | From | Andi Kleen <> | | Date | Thu, 15 May 2008 11:01:09 +0200 | |
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> writes:
> This patchset adds per-device dma_mapping_ops support for
> CONFIG_X86_64 like POWER architecture does. This change enables us to
> cleanly fix the Calgary IOMMU issue that some devices are not behind
> the IOMMU [1]. It also would be helpful to handle KVM PCI passthrough.
This makes it basically impossible to do stack ops, which some
people have been doing.
-Andi
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