On Sun, Nov 18, 2007 at 04:30:40AM +0100, Patrick McHardy wrote:
>
> On a related issue, I think the rng interface is not very suitable
> for chips like HIFN that have a constant random bandwidth, it would
> make a lot more sense to return the time to wait to the core, instead
> of waiting 10us in all cases. 256 cycles at a speed of 266MHz comes
> down to 0.96us, so we're waiting about 10 times as long as necessary.
> Since its busy waiting anyway, I'd think that from a performance POV
> constant polling or returning the exact amount of time would be more
> reasonable.
I agree, a better interface would be to let the hardware do the
blocking where necessary.
Michael, what do you think about this?
Thanks,
--
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