Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes: > On Thu, Jun 16, 2016 at 02:43:29PM +0200, Andreas Schwab wrote: >> Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes: >> >> > +/* >> >> > + * Am I reading these CAS loops right in that %2 is the old value and the first >> >> > + * iteration uses an uninitialized value? >> >> > + * >> >> > + * Would it not make sense to add: tmp = atomic_read(v); to avoid this? >> >> > + */ > >> No, there is nothing to fix here. > > OK, care to elucidate? Clearly I need help reading this. grep '2.*atomic_read' Andreas. -- Andreas Schwab, schwab@xxxxxxxxxxxxxx GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." -- 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
