On Wed, 2013-10-23 at 10:45 +0100, David Laight wrote: > Those writes were in the wrong order on all systems. > Also gcc needs to be told not to reorder the writes even on non-smp > systems (if the code might be pre-empted). > So an asm volatile (:::"memory") is needed there even if no specific > synchronisation instruction is needed. smp_wmb() contains this compiler barrier already. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html