Messages in this thread | | | Date | Mon, 21 Apr 2003 13:22:42 -0400 (EDT) | From | Zwane Mwaikambo <> | Subject | Re: [PATCH] 2.5.68 Fix IO_APIC IRQ assignment bug |
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On Mon, 21 Apr 2003, Mika Penttilä wrote:
> Why can't we use the same vector for multiple ioapic entrys? After all, > we are already sharing irqs, and an irq is just a cookie for a vector. > What do you mean with "lost irq routing" ?
Each ioredtbl can take a vector, if you assign another ioredtbl with the same vector and different IRQ then you collide with the previous entry and wipe it from the IDT. Also irq != vector
Zwane
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