Overview
Explore the intricacies of virtualization on Android devices in this 44-minute conference talk by Will Deacon from Google. Delve into the world of KVM (Kernel-based Virtual Machine) and its implementation on Android systems. Learn about the Generic Kernel Image, ARM exception model, and hardware virtualization techniques. Understand the complexities of exception level diagrams and El2 Security Improvements. Discover the challenges faced with KVM and how they are addressed through Page Table Walker, bootstrap processes, and template bootloaders. Gain insights into CrossVM communication and Vertio bounce buffering. Conclude with a look at future developments and next steps in Android virtualization technology.
Syllabus
Introduction
Generic Kernel Image
Virtualization on Android
ARM exception model
Hardware virtualization
Exception level diagrams
El2 Security Improvements
Problems with KVM
Page Table Walker
bootstrap
page table
template bootloader
CrossVM
Vertio
Bounce buffering
Next steps
Taught by
Linux Foundation