Explore the intricacies of interrupt controllers in this 30-minute conference talk by Marc Zyngier from Google and Christoffer Dall from Arm. Delve into the world of interrupt classes and hardware blocks, gaining insights into KVM/arm64 support for the GIC architecture. Discover the rVIC Architecture and its associated commands, understanding their functions within the system. Learn about rVIC/rVID support in KVM and VID MSI support. Conclude by examining potential future developments in this field, providing a comprehensive overview of cutting-edge interrupt controller technologies and their implementations.