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Date:   Wed, 25 Jan 2017 14:15:40 +0100
From:   Paolo Bonzini <>
To:     Marcelo Tosatti <>
        Radim Krcmar <>,
        Richard Cochran <>,
        Miroslav Lichvar <>
Subject: Re: [patch 2/4] KVM: x86: add KVM_HC_CLOCK_OFFSET hypercall

On 25/01/2017 14:06, Marcelo Tosatti wrote:
>>> Well you don't know: we could implement it in case of HPET clocksource
>>> hosts.
>> But then the guest wouldn't have a TSC value to use, would it?
>> Also, how would it use more padding?
> I don't know, maybe pass the TSC and host HPET read in the structure? 
> (after exposing the HPET to the guest).
> Or maybe you want to sync CLOCK_MONOTONIC and that requires other data.
> Not sure.
> Just some space if new features are necessary.

Fair enough.


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