On Fri, 30 Aug 2019 10:06:56 +0200
Auger Eric wrote:
> Hi Alex,
>
> On 8/29/19 8:14 PM, Alex Williamson wrote:
> > On Thu, 29 Aug 2019 11:01:41 +0200
> > Eric Auger wrote:
> >
> >> As of today, VFIO only works along with vIOMMU supporting
> >> caching mode. The SMMUv3 does not support this
Hi Alex,
On 8/29/19 8:14 PM, Alex Williamson wrote:
> On Thu, 29 Aug 2019 11:01:41 +0200
> Eric Auger wrote:
>
>> As of today, VFIO only works along with vIOMMU supporting
>> caching mode. The SMMUv3 does not support this mode and
>> requires HW nested paging to work properly with VFIO.
>>
>>
On Thu, 29 Aug 2019 11:01:41 +0200
Eric Auger wrote:
> As of today, VFIO only works along with vIOMMU supporting
> caching mode. The SMMUv3 does not support this mode and
> requires HW nested paging to work properly with VFIO.
>
> So any attempt to run a VFIO device protected by such IOMMU
>
As of today, VFIO only works along with vIOMMU supporting
caching mode. The SMMUv3 does not support this mode and
requires HW nested paging to work properly with VFIO.
So any attempt to run a VFIO device protected by such IOMMU
would prevent the assigned device from working and at the
moment the