On 13/11/14 21:11, Thomas Gleixner wrote:
> 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.
Great. I've pushed the whole thing out with this patch, the couple
of fixes I mentioned earlier, as well as the whole ITS code:
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
irq/stacked-its-v2
Time to go home.
M.
--
Jazz is not dead. It just smells funny...
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