Subject: Re: [RFC V2] virtio: Add platform specific DMA API translation for virito devices

From: "Michael S. Tsirkin" <[email-masked]>
Date: Tue, 5 Jun 2018 04:25:37 +0300

On Tue, Jun 05, 2018 at 09:26:56AM +1000, Benjamin Herrenschmidt wrote:
> I would like to keep however the ability to bypass the iommu for
> performance reasons

So that's easy, clear the IOMMU flag and this means "bypass the IOMMU".

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MST