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Date: Tue, 15 Oct 2013 18:40:14 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v2 04/12] virtio-pci: remove vdev field
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: cornelia.huck@de.ibm.com, qemu-stable@nongnu.org, qemu-devel@nongnu.org, afaerber@suse.de

On Tue, Oct 15, 2013 at 04:52:45PM +0200, Paolo Bonzini wrote:
> @@ -257,7 +271,7 @@ static void virtio_pci_stop_ioeventfd(VirtIOPCIProxy *proxy)
>  static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
>  {
>      VirtIOPCIProxy *proxy = opaque;
> -    VirtIODevice *vdev = proxy->vdev;
> +    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
>      hwaddr pa;
>  
>      switch (addr) {

Hmm this is also datapath.
Can this use direct access too, like MSIX?