Re: [PATCH] KVM: Introduce generic interrupt injection for in-kernel irqchips

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2012-04-10 20:30, Jan Kiszka wrote:
> Currently, MSI messages can only be injected to in-kernel irqchips by
> defining a corresponding IRQ route for each message. This is not only
> unhandy if the MSI messages are generated "on the fly" by user space,
> IRQ routes are a limited resource that user space has to manage
> carefully.
> 
> By providing a direct injection path, we can both avoid using up limited
> resources and simplify the necessary steps for user land. This path is
> provide in a way that allows for use with other interrupt sources as
> well. Besides MSIs also external interrupt lines can be manipulated
> through this interface, obsoleting KVM_IRQ_LINE_STATUS.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
> 
> This picks up Avi's first suggestion as I still think it is the better
> option to provide a direct MSI injection channel.

Ping. What's now the preferred approach? I'd like to make some progress
with this topic.

Jan

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