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Re: [Qemu-ppc] [PATCH 1/8] spapr-iommu: add a bus for spapr-iommu device
Re: [Qemu-ppc] [PATCH 1/8] spapr-iommu: add a bus for spapr-iommu devices
Fri, 11 Apr 2014 01:18:49 +1000
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On 04/11/2014 12:52 AM, Andreas Färber wrote:
> Am 10.04.2014 16:40, schrieb Alexey Kardashevskiy:
>> On 04/10/2014 10:40 PM, Alexander Graf wrote:
>>> Juan, is a different command line device order supposed to work with
>> We discussed this on IRC with Paolo and the conclusion is that yes, the
>> order should not matter.
> Huh?! If you ever tried changing the order of PCI devices such as
> virtio-blk-pci on the command line (or changing between if=virtio and
> -device virtio-blk-pci) then surely it does change the order of the
> /dev/vdX the guest sees and will be migration-incompatible. The order of
> -drive and -device however, for instance, does not seem to matter. But
> in this generality, your statement does not seem to reflect current reality.
As far as I can tell libvirt is trying to be precise and specifies PCI bus
name and PCI address for PCI devices.