[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Determining iommu groups in Xen?
This should be a simple question, but I can't find the answer : how are iommu groups determined/found in Xen? I've used KVM before, and the use of the vfio framework makes it easy to find the iommu groups. Unless a 'will never be approved' patch is applied to the Linux kernel, it is impossible to pass through only one device to a KVM VM out of a group due to the lack of ACS (iommu protection between devices on the same bus segment). Xen does not seem to enforce this - why not, especially as it can cause security and stability issues? PK -- Sent from my Android device with K-9 Mail. Please excuse my brevity. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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