On 10/23/07, Tony Mouawad <tonym.ace@xxxxxxxxx> wrote: > How does the list in __get_cpu_var(tasklet_vec).list get populated? > It looks like at the top of the tasklet_action() call the list is set > to empty and at the bottom __get_cpu_var(tasklet_vec).list is assigned > to the next element of a temporary list ( t->next ). Is it possible > for __get_cpu_var(tasklet_vec).list to get populated during a call to > tasklet_action() or is what I am seeing just a NULL assignment to > t->next ? > It is possible that a new tasklet is scheduled (from an interrupt, for example) during the execution of tasklet_action(). The local_irq_disable/enable() functions are used to serialize accesses to tasklet_vec.list. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
