Re: [PATCH 01/16] math128: Introduce various 128bit primitives

[Harald Gustafsson]

On Fri, Oct 26, 2012 at 11:35 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>   dl_period * dl_runtime < U64_MAX && dl_deadline * dl_runtime < U64_MAX

I think this makes sense to make the limitation on the product, since
IMO if you need a period longer than 4 seconds then the runtime is
much shorter due to that you want to express something like executing
for 100ms each 10s. Much less likely that an application would need to
execute for 7.8 s out of a period of 8s and would not be happy with
3.9s out of 4s.

/Harald
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