> It became clear that my previous tests were done with DMA off. *Why*
> that was so is the subject of another post. However, once I got it
> on, I got the following results usings mingo's patch and the
> (unmodified) Arcangeli patch:
>
> 1.7ms ( 0)|
> 6.0ms ( 1)|
> 29.0ms ( 19)|
> 10.1ms ( 15)|
> 5.2ms ( 0)|
>
> Very nice. :)
nice indeed :) Note that i'm working on a wider and more correct patch
that fixes all 'latency-causing' places that i have found. (there are much
more than just the ones covered by previous patches) I'll post it to
linux-kernel today or tomorrow.
-- mingo
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