On Friday 28 March 2008 23:45, Matthew Wilcox wrote: > I think we can do better here with: > > atomic_set(max); > > and > > while (unlikely(!atomic_add_unless(&ss->cur, -1, 0))) > while (atomic_read(&ss->cur) == 0) > cpu_relax(); Yeah of course! That's much better ;) I'd say Tony could just open code it for now, which would get him up and running quickly... although if anybody gets keen to add it as a generic API then I wouldn't object. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
