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Re: [Qemu-devel] [PATCH 1/8] spapr-iommu: add a bus for spapr-iommu devi
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From: |
Andreas Färber |
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Subject: |
Re: [Qemu-devel] [PATCH 1/8] spapr-iommu: add a bus for spapr-iommu devices |
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Date: |
Thu, 10 Apr 2014 16:52:57 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
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
>> migration?
>
>
> 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.
Regards,
Andreas
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