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by n3mes1s 4048 days ago
read the hypervisor part of the lwn article: https://lwn.net/SubscriberLink/644675/5be656c24083e53b/

quote: "With kvmtool, we no longer need a BIOS or UEFI; instead we can jump directly into the Linux kernel. Kvmtool is not cost-free, of course; starting kvmtool and creating the CPU contexts takes approximately 30 milliseconds."