RE: [PATCH] 2.5.31 Summit NUMA patch with dynamic IRQ balancing

[Grover, Andrew]

> From: James Cleverdon [mailto:[e-mail]] 
> > This should be moved to acpi.h
> 
> Will be, once I'm sure this is the right way to go.  As 
> mentioned earlier, I'm 
> having ACPI problems that seem to imply ACPI isn't building 
> the full IRQ 
> table.  In 2.4 we could let MPS do this.  Maybe 2.5 will need 
> to revert to 
> that behavior.

What happens when you use the FULL ACPI support? I suspect that you really
do want the interpreter, in order to evaluate _PRTs properly.

ISTR that the reason you are thinking that ACPI only is programming some of
the ioapic entries is because whatever is printing them is looking at the
mp_irqs array. Which is MPS specific. So ACPI doesn't bother filling it all
in. :)

Is that a bug? Should ACPI fill it in completely, or maybe not at all? Don't
know. But it is strictly unnecessary.

Regards -- Andy