Re: [PATCH v8 4/7] KVM: x86: Report host tsc and realtime values in KVM_GET_CLOCK

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On 28/09/21 20:53, Marcelo Tosatti wrote:
+KVM_CLOCK_HOST_TSC.  If set, the `host_tsc` field in the kvm_clock_data
+structure is populated with the value of the host's timestamp counter (TSC)
+at the instant when KVM_GET_CLOCK was called. If clear, the `host_tsc` field
+does not contain a value.
If the host TSCs are not stable, then KVM_CLOCK_HOST_TSC bit (and
host_tsc field) are ambiguous. Shouldnt exposing them be conditional on
stable TSC for the host ?


Yes, good point.

Paolo




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