On Tue, May 19, 2009 at 8:49 AM, Pei Lin <telent997@xxxxxxxxx> wrote: > In my opinion,i think spin lock is used for shot-time lock,if you lock > long term, cpu will miss the interrupts, i also have the question > about when we disable local interrupts,can the interrupt be delivered > to other cpus in SMP system? Yes, when we disable local interrupts, interrupt can be delivered to other CPUs in SMP system. Documentation/spinlocks.txt discusses this. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
