Re: [Xen-devel] Re: [PATCH][v4] PV extension of HVM(hybrid) support in Xen

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 03/01/2010 03:40 AM, Sheng Yang wrote:
> The issue is pv timer. It assumed the tsc start from 0, which is different
> from HVM. So I'd like to give it a explicit call here. Otherwise it can be
> hooked in evtchn binding, but I don't think that's clear...
>
>    
[...]
> > Only vcpu 0?  Doesn't this do horrible things to timekeeping in the guest?
> >      
> The other vcpus are initialized when it is brought up. TSC started from 0 is a
> fundamental assumption for pv clock in Linux...
>    
Could you expand on this?  Do you mean in the pvops Xen time code?  What 
do you mean?
    J

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