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An Introduction to Full Virtualization With Xen (Linux.com)

An Introduction to Full Virtualization With Xen (Linux.com)

Posted Oct 24, 2012 14:47 UTC (Wed) by ibukanov (subscriber, #3942)
In reply to: An Introduction to Full Virtualization With Xen (Linux.com) by cyanit
Parent article: An Introduction to Full Virtualization With Xen (Linux.com)

In addition to already mentioned reasons to use XEN, it also takes advantage of IOMMU hardware and can run, for example, a guest OS against the real networking hardware. Besides performance improvements it allows to isolate a bug in a network driver or even in TCP implementation from the rest of the system.


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An Introduction to Full Virtualization With Xen (Linux.com)

Posted Oct 24, 2012 15:11 UTC (Wed) by aliguori (subscriber, #30636) [Link]

KVM also has IOMMU support FWIW.

In fact, it was recently completely rewritten as a generalized Linux feature (VFIO) that could also be used to write userspace device drivers protected by an IOMMU.

There was even an LWN article: http://lwn.net/Articles/474088/


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