On Tue, 2009-01-06 at 13:42 -0800, Paul E. McKenney wrote: > Preemptable RCU needs to be faster. Got it -- and might have a way > to do it by eliminating the irq disabling and cutting way back on the > number of operations that must be performed. It would probably still > be necessary to access the task structure. > > Or is something other than the raw performance of rcu_read_lock() and > rcu_read_unlock() at issue here? With Linus' mutex_spin_or_schedule() function the whole - keeping owner's task_struct alive issue goes away,.. now if only the thing would boot... -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
