From: Nick Piggin <npiggin@xxxxxxx> Date: Fri, 21 May 2010 16:06:00 +1000 > Actually, I bet we have a lot of bugs there with loading integers and > pointers atomically, where the code assumes the loaded value will not > be reloaded by the compiler, because it is an easy thing to assume. Alexey Kuznetsov was aware of this problem 8+ years ago when we were first adding fine-grained locking the the networking. > atomic_read_light could be useful though, for sure. I definitely think so. And every usage of it should have a big fat comment right next to it explaining how it's usage is valid in that spot :-) -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html