Re: 2.2.16/17pre6 nanosleep stops my X pointer from moving

[Alan Cox]

> Not to throw cold water on this, but as a real time professional, I
> think timing loops like this should be removed from the kernel.  A FAR
> better approach would be to set up an interrupt, even if it is sloppy. 

It does use interrupt timing when the timeout is large or when not a hard
RT task. For most other cases we use delay loops its basically a case of
'You shouldnt have bought a PC then'. A lot of devices need short accurate
timeouts and don't have an IRQ for it