Virtualization

KVM for ARM

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Executive Summary

As ARM CPUs grow in performance and ubiquity across phones, netbooks, and embedded computers, providing virtualization support for ARM-based devices is increasingly important. The authors present KVM/ARM, a KVM-based virtualization solution for ARM-based devices that can run virtual machines with nearly unmodified operating systems. Because ARM is not virtualizable, KVM/ARM uses lightweight paravirtualization, a script-based method to automatically modify the source code of an operating system kernel to allow it to run in a virtual machine. Lightweight paravirtualization is architecture specific, but operating system independent. It is minimally intrusive, completely automated, and requires no knowledge or understanding of the guest operating system kernel code.

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