[PATCH] Document Linux's memory barriers [try #2]

[Andi Kleen]

On Wednesday 08 March 2006 19:59, David Howells wrote:
> Alan Cox <alan at redhat.com> wrote:
> 
> > then on some NUMA infrastructures the order may not be as you expect.
> 
> Oh, yuck!
> 
> Okay... does NUMA guarantee the same for ordinary memory accesses inside the
> critical section?


If you use barriers the ordering should be the same on cc/NUMA vs SMP.
Otherwise it wouldn't be "cc" 

But it might be quite unfair.

-Andi