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lguest: Implementing the Little Linux Hypervisor

Rusty Russell (rusty@rustcorp.com.au)

Lguest is a small x86 32-bit Linux hypervisor for running Linux under Linux, and demonstrating the paravirtualization abilities in Linux since 2.6.20. At around 5000 lines of code including utilities, it also serves as an excellent springboard for mastering the theory and practice of x86 virtualization.

This talk will cover the philosophy of lguest and then dive into the implementation details as they stand at this point in time. Operating System experience is required, but x86 knowledge isn't. By the time the talk is finished you should have an good grounding in the range of implementation issues facing all virtualization technologies on Intel, such as Xen and KVM. You should also be inspired to create your own hypervisor, using your own pets as the logo.