Messages in this thread | | | Date | Fri, 8 Sep 2006 18:25:24 -0400 (EDT) | From | Alan Stern <> | Subject | Re: Uses for memory barriers |
| |
On Fri, 8 Sep 2006, Oliver Neukum wrote:
> > Again you have misunderstood. The original code was _not_ incorrect. I > > was asking: Given the code as stated, would the assertion ever fail? > > I claim the right to call code that fails its own assertions incorrect. :-)
Touche!
> > The code _was_ correct for my purposes, namely, to illustrate a technical > > point about the behavior of memory barriers. > > I would say that the code may fail the assertion purely based > on the formal definition of a memory barrier. And do so in a subtle > and inobvious way.
But what _is_ the formal definition of a memory barrier? I've never seen one that was complete and correct.
Alan Stern
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |