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SubjectRe: rdtsc to mili secs?
> This means our offset calculations in do_fast_gettimeoffset are way off
> and taking a reading just before a timer tick and just after results in
> a negative interval. Perhaps we should disable tsc based gettimeofday
> for these type of machines.

I seem to remember we have a 'notsc' option. Figuring out which boxes are
infected with the problem may be trickier. We really need to be able to
read the current CPU clock rate off whatever generates the clocks when we
do a udelay

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