Re: [PATCH v2] KVM: Introduce direct MSI message injection for in-kernel irqchips

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On Wed, Mar 28, 2012 at 10:47 AM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
[...]
> +4.61 KVM_SET_MSI
> +
> +Capability: KVM_CAP_SET_MSI
> +Architectures: x86
> +Type: vm ioctl
> +Parameters: struct kvm_msi (in)
> +Returns: 0 on success, -1 on error

Is this the actual behavior?  It looked to me like the successful
return value ended up getting set by __apic_accept_irq(), which claims
to "Return 1 if successfully added and 0 if discarded".
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