CONFIG_KVM_BOOK3S_64_PR is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
KVM support without using hypervisor mode in host
modulename: kvm-pr.ko
configname: CONFIG_KVM_BOOK3S_64_PR
Linux Kernel Configuration
└─>Virtualization
└─>KVM support without using hypervisor mode in host
In linux kernel since version 3.1 (release Date: 2011-10-24)
Support running guest kernels in virtual machines on processors
without using hypervisor mode in the host, by running the
guest in user mode (problem state) and emulating all
privileged instructions and registers.
This is not as fast as using hypervisor mode, but works on
machines where hypervisor mode is not available or not usable,
and can emulate processors that are different from the host
processor, including emulating 32-bit processors on a 64-bit
host.
without using hypervisor mode in the host, by running the
guest in user mode (problem state) and emulating all
privileged instructions and registers.
This is not as fast as using hypervisor mode, but works on
machines where hypervisor mode is not available or not usable,
and can emulate processors that are different from the host
processor, including emulating 32-bit processors on a 64-bit
host.