.. _QEMU-PC-System-emulator: x86 (PC) System emulator ------------------------ .. _pcsys_005fdevices: Peripherals ~~~~~~~~~~~ .. include:: target-i386-desc.rst.inc .. include:: cpu-models-x86.rst.inc .. _pcsys_005freq: 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.