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Taming the Incoherent Cache Issue in Confidential VMs

Linux Plumbers Conference via YouTube

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This talk examines cache incoherence in confidential VMs, its security and performance effects, and possible Linux kernel approaches to flushing caches safely. It discusses per-page flushing and conditional flushing based on why guest mappings are removed.

Syllabus

Taming the Incoherent Cache Issue in Confidential VMs - Mingwei Zhang

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Linux Plumbers Conference

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