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 -- 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/
