[Qemu-devel] Re: [PATCH v2 3/9] provide in-kernel ioapic

[Jamie Lokier]

Anthony Liguori wrote:
> We already have the single device model implementation and the 
> limitations are well known.  The best way to move forward is for someone 
> to send out patches implementing separate device models.
> 
> At that point, it becomes a discussion of two concrete pieces of code 
> verses hand waving.

Out of curiosity now, what _are_ the behavioural differences between
the in-kernel irqchip and the qemu one?

Are the differences significant to guests, such that it might be
necessary to disable the in-kernel irqchip for some guests, or
conversely, necessary to use KVM for some guests?

Thanks,
-- Jamie