> Pretty much everywhere that uses RCU for example does so using atomic pointer > loads and stores. The nastiest issue IMO actually is reloading the value > through the pointer even if it isn't explicitly dereferenced. RCU gets this > right with ACCESS_ONCE. Probably a lot of code using basic types does not. > x86 atomic_read maybe should be using ACCESS_ONCE too... I'm pretty sure it should. gcc makes no guarantees about not being clever with accesses. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
