Re: [Xen-devel] [PATCH] [RFC] MSI and interrupt mapping

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 04/02/2009 17:47, "Espen Skoglund" <espen.skoglund@xxxxxxxxxxxxx> wrote:

> More generally speaking, the current state of affairs with regards to
> interrupt management in Xen can be a bit confusing from the source
> code point of view.  Essentially, all irqs except some legacy
> interrupts are assumed to be IOAPIC irqs.  This assumption breaks down
> with the introduction of MSIs and per-domain pirq tables.  It might
> therefore be worthwile to rename a few things and slightly restructure
> the Xen code to make the distinction between IOAPIC irqs and other
> interrupts clearer.  I could volunteer to have a stab at such a
> cleanup if this is something people want.
> 
> Comments?

Sketch out what you mean in a bit more detail and I'll think about it. The
stuff in arch/x86/irq.c at least makes reasonable sense to me right now (of
course ;-).

 -- Keir



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