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The Linux kernel configuration item CONFIG_KVM_BOOK3S_64_PR
has multiple definitions:
arch/powerpc/kvm/Kconfig
The configuration item CONFIG_KVM_BOOK3S_64_PR:
CONFIG_KVM_BOOK3S_64
kvm-pr
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.
arch/powerpc/kvm/Kconfig
The configuration item CONFIG_KVM_BOOK3S_64_PR:
CONFIG_KVM_BOOK3S_64 && ! CONFIG_KVM_BOOK3S_64_HV
kvm-pr
(none)
Raw data from LKDDb:
lkddb module kvm-pr CONFIG_KVM_BOOK3S_64_PR : arch/powerpc/kvm/Kconfig : "KVM support without using hypervisor mode in host" # in 3.13–3.19, 4.0–4.20, 5.0–5.11, 5.11+HEAD
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Automatically generated (in year 2021). See also LKDDb sources on GitLab