Support SDEI Virtualization and Asynchronous Page Fault for ARM64

Explore ARM64 virtualization advancements in this 24-minute talk by Gavin Shan from Redhat. Delve into SDEI virtualization and asynchronous page fault support, covering motivation, current status, requirements, and implementation details. Learn about the SDEI interface, performance impacts on heavy swapin and live migration, and gain insights into the ongoing development efforts. Conclude with a review of the topic and information on community support for these ARM64 enhancements in the Linux ecosystem.