[pve-devel] remove -kvmclock from cpu features

Stefan Priebe s.priebe at profihost.ag
Fri Dec 19 21:13:18 CET 2014


Am 19.12.2014 21:06, schrieb Dietmar Maurer:
>
>> is there any reason to have kvmclock available for the guests?
>
>
> AFAIK that is the preferred clock with lowest overhead.

tsc has def. lower overhead on newer kernels. That's also why every 
kernel > 3.8 prefers tsc. So it's right for CPUs which do not offer tsc 
natively.

Stefan



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