On Mon, 25 Feb 2008, Pavel Machek wrote: > Hi! > > Alan thinks that `subj` is correct... More precisely, reads and writes of pointers are always atomic. That is, if a write and a read occur concurrently, it is guaranteed that the read will obtain either the old or the new value of the pointer, never a mish-mash of the two. If this were not so then RCU wouldn't work. > I guess it only works as long as longs are aligned? Should it be > written down to atomic_ops.txt? Forget it, I'm going to withdraw the entire thing. The whole approach is wrong. More details in a new email thread, to follow soon. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
