From: Linus Lüssing <linus.luessing@xxxxxx> Date: Thu, 25 Jul 2013 15:56:20 +0200 > + atomic64_t multicast_querier_delay_time; Please don't use an atomic64_t here, it's pointless. You're only doing set and read operations on it, there's absolutely nothing atomic about that. You have to make sure that the top-level operations that use this new value use an appropriate amount of locking on the higher level objects.