what does this mean?

[Walter L. Wimer III]

On Tue, 2006-05-16 at 13:38 -0400, Walter L. Wimer III wrote:
> Check to make sure that in your interrupt handler you are not calling
> something that can sleep.  E.g. sleep(), usleep(), kmalloc(),
> vmalloc(), etc. 

Also watch out for semaphore operations such as down() and
down_interruptible().  They can sleep too.


Walt