Re: [RFC] fix VMX TSC synchronicity

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

[fixing gmane emails, urgfhsz]

Andi Kleen wrote:
> Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> writes:
>
>   
>> Thanks; that's reassuring to know that it will work (at least on Intel).
>>     
>
> Actually there are modern Intel systems which still have instable TSCs;
> e.g. IBM Summit multi node systems and some others. So you should
> still handle that case.
>   

I really don't see any way we could.  If the guest assumes tscs are 
synchronous, and they really are not, there's nothing we can do.

[well, we could trap and emulate rdtsc, but performance would tank]

You might taskset guests into a single node on such systems, which is a 
good idea anyway.

-- 
error compiling committee.c: too many arguments to function


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