Re: [RFC] CPUID usage for interaction between Hypervisors andLinux.

From: Chris Wright
Date: Wed Oct 01 2008 - 17:45:06 EST


* Anthony Liguori (anthony@xxxxxxxxxxxxx) wrote:
> And arguably, storing TSC frequency in CPUID is a terrible interface
> because the TSC frequency can change any time a guest is entered. It

True for older hardware, newer hardware should fix this. I guess the
point is, the are numbers that are easy to measure incorrectly in guest.
Doesn't justify the whole thing..
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