On Mon, Oct 18, 2010 at 3:43 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > Right, so the problem is that there simply is no way to do atomic memory > access from these auxiliary processing units wrt the main CPU? Yes. There are a few relevant system-wide limitations, one of them is that simply the system interconnect does not support those fancy atomic operations. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html