Re: Q: waiting for a short time and not beeing a resource hog

Ingo Molnar (mingo@chiara.csoma.elte.hu)
Wed, 1 Dec 1999 16:14:53 +0100 (CET)


On Wed, 1 Dec 1999, Andreas Schuldei wrote:

> I want to wait for a short time in a driver after I got an interrupt
> that data arrived.
>
> I do not like the
>
> while( (jiffies-time_start) < 1 );

you probably want to use schedule_timeout(deltajiffies). You must make
sure that you can reschedule at that point.

-- mingo

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