On Mon, 26 May 2008 21:08:10 -0700 Roland Dreier <rdreier@xxxxxxxxx> wrote: > > either via sparse or some fancy lockdep like "device store" thing? > > If we can't test for it and it doesn't show up on x86 ... it'll > > just be an eterrnal chase. > > Ben's point is that it will start showing up on x86 because newer > compilers are reordering things... > > - R. I know a basic reorder will show up there. A simple "barrier()" in readl/writel solves it for x86. Understandably, Ben doesn't really like that answer ;-) -- If you want to reach me at my work email, use arjan@xxxxxxxxxxxxxxx For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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