Re: [Qemu-devel] [PATCH] xen: fix interrupt routing

[Stefano Stabellini]

On Tue, 14 Jun 2011, Jan Kiszka wrote:
> I bet the motivation is to have an IRQ route that is independent of
> QEMU, thus can be discovered inside the Xen kernel and then remains
> stable - or is simply hard-wired. Device assignment? Direct legacy IRQ
> injection from the kernel?
> 

This code predates me, so Keir might have more insights on the original
motivation, but you are correct, they are hard-wired and can be used for
device-assignment as well.