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1111460
2015 Jul 28
3
[PATCH v4 0/4] virtio: Clean up scatterlists and use the DMA API
On Tue, 2015-07-28 at 15:43 -0700, Andy Lutomirski wrote:
> Let me try to summarize a proposal:
>
> Add a feature flag that indicates IOMMU support.
>
> New kernels acknowledge that flag on any device that advertises it.
>
> New kernels always respect the IOMMU (except on PowerPC).
Why ? I disagree, the flag should be honored when set in any
architecture. PowerPC is no