On 08/29, Ingo Molnar wrote: > > So I'm wondering, is there any strong reason why we couldn't use a double > linked > list and still do FIFO and remove that silly linear list walking hack?
This will obviously enlarge callback_head, and it is often embedded. But this is minor. If we use a double linked list we can't do task_work_add() lockless. So we will need another spinlock_t in task_struct. We can't use pi_lock. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
