On 05/09/2012 09:36 AM, Michael S. Tsirkin wrote: > > Well it talks about a memory barrier, not an > optimization barrier. > Same thing. > If compiler reorders code, changes will appear in > the wrong order on the current processor, > not just on other processors, no? Yes. For your _local I would just copy the atomic bitops but remote the locks in most cases. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
