Hi, Assume that an endpoint device(called ep1) belongs to iommu group 1, and another endpoint device(called ep2) belongs to iommu group 2. Moreover, these two devices locate in different downstream ports of the same switch respectively. If I disable the ACS of these downstream ports, we know ep1 and ep2 should locate in the same iommu group. So the question is if I can regenerate a iommu group to let ep1 and ep2 locate in the same iommu group and let ep1 and ep2 can't be assigned to two different VMs without host rebooting?
Thanks, Cordius Wu
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