On Tue, Mar 13, 2007 at 08:14:32AM -0700, Jason Thorpe wrote:
> That's correct.  And for that reason, I also need to document that  
> these operations only work on regular memory, not device memory (which  
> may have side-effects that makes the read-modify-write unsafe).

Maybe add a note that everything besides the cas operations might be
a lot more expensive than i386-minded people might assume (naively 
ignoring the runtime costs at the hardware bus level)?

Martin