On Wed, May 30, 2012 at 04:38:25PM +0200, Jan Kiszka wrote: > On 2012-05-30 15:34, Michael S. Tsirkin wrote: > > Below's as far as I got - hopefully this > > explains what I had in mind: for deep hierarchies > > this will save a bus scan so I think this makes sense > > even in the absense of kvm irqchip. > > > > Warning: completely untested and known to be incomplete. > > Please judge whether this is going in a direction that > > is helpful for your efforts. If you respond in the positive, > > I hope to be able to get back to this next week. > > We need to > - account for polarity changes along the route > - get rid of irq_count as it is no longer updated in the fast path, > thus useless on routing updates
I'll need to consider this more to understand what you mean here. > So it's a bit more complicated and requires a some broader refactorings. Is this one good as a first step then? If not I'll drop it for now. > But there is likely some room for simplifications in the end, true. > > Jan > > -- > Siemens AG, Corporate Technology, CT T DE IT 1 > Corporate Competence Center Embedded Linux
