x86 System emulator

Board-specific documentation

• ‘microvm’ virtual platform (microvm)
• i440fx PC (pc-i440fx, pc)

Architectural features

• Recommendations for KVM CPU model configuration on x86 hosts
• Syntax for configuring CPU models
• Paravirtualized KVM features
• Software Guard eXtensions (SGX)

OS requirements

On x86_64 hosts, the default set of CPU features enabled by the KVM accelerator require the host to be running Linux v4.5 or newer. Red Hat Enterprise Linux 7 is also supported, since the required functionality was backported.