RE: [kvm-ia64-devel] IRQ assignment

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Avi Kivity wrote:
> 
> With 24 free pins, that's fine.  With 8 free pins, less so.  We'll
> need to mix in more high bits.
> 
> I guess we need to increase the number of pins on x86 too.
> 
>> If use this method, we can share same IA64 guest BIOS between
>> XEN/IA64 and KVM/IA64. 
>> 
> 
> You can use this method for ia64, and we'll have a different function
> for x86 (perhaps two functions, if we later increase the number of
> pins to 48 (or even more); the DSDT will need to select the
> appropriate routing table according to what's present on the
> hardware). 
It can work if X86 and ia64 implement different "->map" function.

Use this kind of "fixed" algorithm may waste IOAPIC interrupt pin, due
to not every pci device will use up 4 irq.

Is it possible to let qemu dynamically build route table in DSDT?

Anthony


> 
> --
> error compiling committee.c: too many arguments to function
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