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Linux Foundation

Look Ma, No Real Interrupt Controller - Exploring Virtual Interrupt Controllers

Linux Foundation via YouTube

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Overview

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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.

Syllabus

Intro
3 views of a secret
"It's a monster!" : Interrupt classes
"It's a monster!" : Hardware blocks
KVM/arm64 support for the GIC architecture
rVIC Architecture
RVIC commands Command Function
rVIC/rVID support in KVM
VID MSI support
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Linux Foundation

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