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-rw-r--r-- | Documentation/virt/kvm/api.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 1f8625b7646a..0ec40765ccd4 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -9076,9 +9076,10 @@ the local APIC. The same is true for the ``KVM_FEATURE_PV_UNHALT`` paravirtualized feature. -CPU[EAX=1]:ECX[24] (TSC_DEADLINE) is not reported by ``KVM_GET_SUPPORTED_CPUID``. -It can be enabled if ``KVM_CAP_TSC_DEADLINE_TIMER`` is present and the kernel -has enabled in-kernel emulation of the local APIC. +On older versions of Linux, CPU[EAX=1]:ECX[24] (TSC_DEADLINE) is not reported by +``KVM_GET_SUPPORTED_CPUID``, but it can be enabled if ``KVM_CAP_TSC_DEADLINE_TIMER`` +is present and the kernel has enabled in-kernel emulation of the local APIC. +On newer versions, ``KVM_GET_SUPPORTED_CPUID`` does report the bit as available. CPU topology ~~~~~~~~~~~~ |