Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0

[Daniel Phillips]

"David S. Miller" wrote:
>          2) It affects only code which can burn a lot of cpu without
>             scheduling.  Compare this to schemes which make the kernel
>             fully pre-emptable, causing _EVERYONE_ to pay the price of
>             low-latency....

Is there necessarily a price?  Kernel preemption can make io-bound code
go faster by allowing a blocked task to start running again immediately
on io completion.  As things are now, the task will have to wait for
whatever might be happening in the kernel to complete.

--
Daniel
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