Il 03/09/2013 10:17, Michael S. Tsirkin ha scritto:
>> On PPC64 systems MSI Messages are translated to system IRQ in a PCI
>> > host bridge. This is already supported for emulated MSI/MSIX but
>> > not for irqfd where the current QEMU allocates IRQ numbers from
>> > irqchip and maps MSIMessages to IRQ in the host kernel.
>> > 
>> > This adds a new direct mapping flag which tells
>> > the kvm_irqchip_add_msi_route() function that a new VIRQ
>> > should not be allocated, instead the value from MSIMessage::data
>> > should be used. It is up to the platform code to make sure that
>> > this contains a valid IRQ number as sPAPR does in spapr_pci.c.
>> > 
>> > Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
> Fine with me
> 
> Acked-by: Michael S. Tsirkin <m...@redhat.com>
> 

Alex, are you picking this one?

Paolo

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