>> I'm begin to learn the Kernel and i'm reading <<Linux kernel >> development>>.It says "This is an important point, always keep in mind that >> all interrupt handler has interrupted other code(possibly even another >> interrupt handler on a different line)".What i am not able to understand is >> how a interrupt handler be interrupted ? DID NOT it uninterrupted? > > It depends on the architecture and the interrupt controller being > used, and the driver code itself. > > Normally, when an interrupt fires, that particular interrupt will be > masked and your own handler won't interrupt itself, but you may very > well be interrupted by other interrupts. Can you please point out some code for explanation? --- KostaZ _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
