Explore key insights from Jon Kohler's five-year journey optimizing KVM for Electronic Health Record (EHR) platforms in this informative conference talk. Delve into recent KVM optimizations, including reducing speculation-related overheads, accelerating IPI delivery, and suppressing Windows EOI exits. Discover critical enhancements in supporting ecosystem components such as vhost-user-scsi, Windows VirtIO drivers, Open vSwitch, and Libvirt. Gain valuable knowledge applicable to improving performance for both Linux and Windows-based guests with similar characteristics to EHR systems.