[Patch V1 0/6] Refine generic/PCI MSI irqodmian interfaces

Thomas Gleixner tglx at linutronix.de
Thu Nov 13 13:11:26 PST 2014


On Thu, 13 Nov 2014, Marc Zyngier wrote:
> With the new stacked irq domains, it becomes pretty tempting
> to allocate an MSI domain per PCI bus, which would remove
> the requirement of either relying on arch-specific code, or
> a default PCI MSI domain.

Right. That's what I roughly had in mind. And that would solve the
multi-iommu issue on x86 nicely as well. We establish the association
at the time where the bus gets populated. So the whole lookup magic
simply goes away.

Thanks,

	tglx

 



More information about the linux-arm-kernel mailing list