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SubjectRe: [RFC PATCH] PCI: Disable MSI/MSI-X only if device is shutdown


On 13/03/2015 00:21, Fam Zheng wrote:
>> I think the bug here is also that virtio-pci
>> is not defining a .shutdown callback. It should define one and call
>> free_irq (for INTX) and pci_disable_msix.
>
> It's not enough. The device has to know we disabled msix, otherwise it will
> send us IRQ, which is wrong.

You can use pci_intx to disable INTX too. So I think this is a
virtio-pci bug.

Paolo


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