RE: [patch 1/1] Proposed: Let's not waste precious IRQs...

From: Protasevich, Natalie
Date: Fri May 20 2005 - 16:15:54 EST


> On Friday 20 May 2005 7:45 am, Ashok Raj wrote:
> > have you taken a look a the Vector Sharing Patch posted by
> Kaneshige for IA64?
>
> Vector sharing has a performance cost, so we should avoid it
> when we can.
>
> I think you should bounds-check the gsi_to_irq[] references.
> When you finally get a machine with GSI values larger than
> MAX_GSI_NUM, things will start failing mysteriously as you
> corrupt things after the gsi_to_irq[] array.
>
Yes, indeed, I will do that. Next round I will submit ACPI cases for
i386 and x86_64 then, with correction above, and will start working on
the MPS cases.

Thanks,
--Natalie
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