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 |
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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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