Hi, Would you agree it is pointless from an atomicity perspective, to acquire the mutex lock by atomic_xchg() in __mutex_lock_common(), since the mutex is locked by a spinlock earlier? Thanks, Bahadir -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ