hi Parmenides On Sat, Nov 19, 2011 at 4:27 AM, Parmenides <mobile.parmenides@xxxxxxxxx> wrote: > Hi, > > It is said that an IRQ line is disabled when the same IRQ line is > in process. But, is the IRQ line disabled on the local CPU or all > CPUs? Another relevant question is that the disable_irq() funciton > will disable an IRQ line on local CPU or all CPUs. IRQ is disabled in all processors. disable_irq() function disables the delivery of the given interrupt to all processors.Additionally the disable_irq function does not return until any currently executing handler completes. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
