Re: [Qemu-devel] [RFC][PATCH 00/45] qemu-kvm: MSI layer rework for in-kernel irqchip support

[Avi Kivity]

On 10/17/2011 11:27 AM, Jan Kiszka wrote:
> As previously indicated, I was working for quite a while on a major
> refactoring of the MSI "additions" we have in qemu-kvm to support
> in-kernel irqchip, vhost and device assignment. This is now the outcome.
>
> I'm quite happy with it, things are still working (apparently), and the
> invasiveness of KVM hooks into the MSI layer is significantly reduced.
> Moreover, I was able to port the device assignment code over generic MSI
> support, reducing the size of that file a bit further.
>
> Some further highlights:
>  - fix for HPET MSI support with in-kernel irqchip
>  - fully configurable MSI-X (allows 1:1 mapping for assigned devices)
>  - refactored KVM core API for device assignment and IRQ routing
>
> I'm sending the whole series in one chunk so that you can see what the
> result will be. It's RFC as I bet that there are regressions included
> and maybe still room left for improvements. Once all is fine (can be
> broken up into multiple chunks for the merge), I would suggest patching
> qemu-kvm first and then start with porting things over to upstream.

Impressive patchset, let's merge this as quickly as possible.

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