Re: [PATCH] CDROM: replace jiffies busyloop with msleep

[Alan Cox]

> driver was snappy in that regard. When I replaced our sleeping loop with a 
> busy-wait same as the original the snappyness returned and moreover, reading 
> the TOC from the CD went from something close to a minute to approximately a 
> second. Thought that minute was just because I was dealing with an old junk 
> 1-speed drive...

It happens. If you want to be fairer you can check need_resched in the
loop so that you still share the CPU fairly with other users.

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