On Sat, Aug 24, 2019 at 10:17:30AM +0800, Lu Baolu wrote:
> If a system has any external port, through which an untrusted device
> might be connected, the external port itself should be marked as an
> untrusted device, and all devices beneath it just inherit this
> attribution.
Okay, makes sense.
> So during iommu driver initialization, we can easily know whether the
> system has (or potentially has) untrusted devices by iterating the
> device tree. I will add such check in the next version if no objections.
Sounds good, thanks Baolu.
Joerg
