Re: [PATCH 1/4] KVM: support VT-d device hotplug

Avi Kivity
2008-11-18T12:40:16Z

> In fact, without multiple device assignment, VT-d hotplug cannot be supported cleanly. Given hot add a device under a different iommu, it will be mapped in a wrong iommu, thus it won't work. I will start to implement multiple device assignment first.
>

Yes, the 2.6.28 implementation has some weaknesses. Please work with
Joerg Roedel so that it fits within his iommu api.