On Wed, Aug 15, 2007 at 07:19:57PM +0100, David Howells wrote:

Herbert Xu [off-list ref] wrote:

quoted

Let's turn this around.  Can you give a single example where
the volatile semantics is needed in a legitimate way?

Accessing H/W registers?  But apart from that...

Communicating between process context and interrupt/NMI handlers using
per-CPU variables.

							Thanx, Paul