Re: [RFC v2 2/4] iommu/arm-smmu-v3: Add tlbi_on_map option

Michael S. Tsirkin
2017-08-18T02:54:34Z

On Thu, Aug 17, 2017 at 07:47:04PM +0200, Auger Eric wrote:
> I will see with Peter and other potential users in the community whether
> it is worth to pursue the efforts on upstreaming the QEMU vSMMUv3
> device, considering the VFIO/VHOST integration is made impossible.

I posted more ideas on finding a way to support it after all separately.
Even without this:
1. VHOST does not need to be notified on map.
2. VFIO might be possible for hardware that supports nested page tables.

IMHO 2 is worth looking into.

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MST