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

[Paolo Bonzini]

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