Re: [Qemu-devel] [PATCH 4/4] s390x/pci: add iommu replay callback

[Cornelia Huck]

On Tue, 29 Aug 2017 17:51:43 +0800
Yi Min Zhao <address@hidden> wrote:

> 在 2017/8/29 下午5:33, Cornelia Huck 写道:

> > My question was whether virtio-pci works with your patches on top at
> > all - last time I checked on master, virtio-pci devices failed to
> > realize with a "msi-x is mandatory" message.
> >
> >  
> I tested. virtio-pci works fine. The message "msix is mandatory" means 
> we only support
> msix interrupt. If virtio-pci device (like virtio-rng) doesn't support 
> msix, we don't allow it
> to plug.

Ah, that's it (it's a bit strange that not all virtio-pci devices
support msi-x). I can add a virtio-net-pci device just fine.

(Maybe we can enhance the message so that it is clear that it refers to
that particular device?)

> I thinik this is not related to iommu replay.

This question was unrelated to this particular patch, more to the whole
series :)