(and yes, it is perfectly legitimate to want a non-volatile read for a data type that you also want to do atomic RMW operations on)
...which is undefined behaviour in C (and GCC) when that data is declared volatile, which is a good argument against implementing atomics that way in itself. Segher - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html