On Fri, Dec 21, 2007 at 07:56:25AM +1100, Benjamin Herrenschmidt wrote: > ... > Can't you just have a primitive to sync things up that you call > explicitely from your driver after fetching a new status entry ? >
Well, the only mechanisms I know to get things synced are the ones I mentioned before: 1) generate an interrupt, 2) write to memory which has the "barrier" attribute. Obviously 1 is out - giving the memory used for status indications the barrier attribute is the most primitive means I'm aware of. -- Arthur -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
