On Mon, Feb 21, 2005 at 03:43:57PM -0600, Jimmy DeWitt hit keys to express the following: > Hi, > A couple of questions about interrupts: > > 1) Why does interrupt addressing start at 32 and not 0? In IA32, first 32 (0-31) are reserved, i.e 20 of them are currently used and the rest are reserved for future use. > > 2) How do I change irq_desc[my_irq].action->handler ? > is there a clean interface to update it? Why do you want to do this? Is request_irq() not sufficient? Regards, Om. -- If you are a police dog, where's your badge? -- Question James Thurber used to drive his German Shepherd crazy. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/