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

Auger Eric
2017-08-18T06:50:29Z

Hi Michael,
On 18/08/2017 04:54, Michael S. Tsirkin wrote:
> 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.
My mistake. I will split the QEMU series accordingly.
> 2. VFIO might be possible for hardware that supports nested page tables.
>
> IMHO 2 is worth looking into.
OK That's my next step.

Thank you for your suggestions.

Eric

>