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Re: xen interrupt system

On Thu, Aug 20, 2009 at 12:44:10PM +0200, Christoph Egger wrote:
> Hi!
> We all know, NetBSD/Xen's interrupt system needs to be reworked
> to meet the demands for future features such as SMP, PV drivers in HVM.
> In Xen development tree the interrupt system has been reworked which breaks
> NetBSD/Xen Dom0 boot. No, the hypercalls did not change but
> everything underneath. The new interrupt system in Xen enlights
> the drawbacks of NetBSD/Xen's interrupt system in interrupt lossages,
> timeouts and even in sudden freezes before Dom0 has the chance
> to start the init process.
> The situation is serious: Unless we rework the interrupt system,
> Xen 3.3 and Xen 3.4 are the lastest Xen versions NetBSD will work with.

Do you know exactly what needs to be changed ?

Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference

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