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SubjectRe: Linux timekeeping plans
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> It seems that the steps that take place between the sender reading the
> tsc and the receiver reading it are pretty well defined. How will this
> not work?

They are well defined. Things like DMA and other memory bus activity perturb
it but statistically they will be valid for x86

> This removes the need to spin waiting for signal_sent to be cleared,
> since it's subsumed by the receive_ready spin.

Yep


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