>>>> > if your mobo does not supporting re-assigning interrupts: you can't. >>>> >>>> Would that be done in the BIOS? There is a list of interrupts in the >>>> BIOS and I can select either "Unassigned" or "Reserved" I think. What >>>> affect will reserving an interrupt have? >>>> >>>> - Grant >>> >>> I really don't know. Ask the support of your vendor ;) >> >> Fair enough. Can you tell me why a motherboard would assign 2 devices >> to the same IRQ when there are obviously many free ones? Is it just >> bad implementation? > > Looks like you have MSI support, so probably your hardware isn't > ancient enough for interrupt sharing to be a problem in the first > place.
OK. Do higher numbered IRQ's have priority over lower numbered ones? I'm starting a new project where I'll build a super-minimal Gentoo system and I'm trying to learn as much as I can about optimizing for performance. - Grant
