Messages in this thread | | | Subject | Re: [PATCH v4 0/6] virtio core DMA API conversion | From | Benjamin Herrenschmidt <> | Date | Tue, 10 Nov 2015 16:26:30 +1100 |
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On Mon, 2015-11-09 at 18:18 -0800, Andy Lutomirski wrote: > > Which leaves the special case of Xen, where even preexisting devices > don't bypass the IOMMU. Can we keep this specific to powerpc and > sparc? On x86, this problem is basically nonexistent, since the IOMMU > is properly self-describing. > > IOW, I think that on x86 we should assume that all virtio devices > honor the IOMMU.
You don't like performances ? :-)
Cheers, Ben.
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