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Learn how to implement dynamic SEV firmware updates in KVM environments while maintaining running SNP guests in this 27-minute conference talk from KVM Forum. Explore the technical requirements and architectural changes needed within Linux/KVM to support firmware hotloading, including mechanisms for updating and rolling back firmware without disrupting guest operations. Discover how firmware updates impact attestation reporting processes and understand the implications for security verification in confidential computing environments. Examine how new firmware versions introduce enhanced features and capabilities, along with methods for detecting and leveraging these improvements in production cloud environments. Gain insights into the practical considerations cloud providers face when implementing security and functionality updates while maintaining service continuity for their customers running confidential workloads.
