On Thu, 28 Jul 2016 11:15:17 +0300 Amir Levy <amir.jer.levy@xxxxxxxxx> wrote: > +static LIST_HEAD(controllers_list); > +static DECLARE_RWSEM(controllers_list_rwsem); Why use a semaphore when simple spinlock or mutex would be better? -- 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