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Re: TSC clock going backwards on suspend/resume
On Thu, Feb 12, 2009 at 12:13:23AM +0100, Matthias Drochner wrote:
> > Undocumented mess where?
> It is not explained what the "drift" and "skew" are about,
It's implied by the words used. It could use a comment block. Skew is an
observed offset between CPUs, ie a snapshot of the situation at a given
point. Drift is the process of the offset changing over time.
> and the *sync* functions are usually called twice for no
> obvious reason.
It's to elide major cache effects. The result from the first pass is
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