Re: [PATCH v5 0/4] qemu: Allow PCI virtio on ARM "virt" machine

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On 06.08.2015 15:06, Pavel Fedin wrote:
>  Hello!
> 
>> ACKed all the patches, squashed in the 2/4 amendment and pushed. Sorry
>> for the delay.
> 
>  Thank you very much.
> 
>  By the way, just curious, why is there a restriction to plug in most of devices only into PCI, not
> PCIe? On machines with PCIe host this seems to do nothing good, only prevents them from using MSI-X.
> For example virtio-scsi still suffers from this problem. I ignore it for now because we currently
> don't have vhost-scsi support in qemu.
>  Comments say that "PCIe is not hotpluggable". But why? And why do we mandate hotplug?

Yeah, that's a good question. In a real world, PCIe is perfectly hot
pluggable. Maybe the limitation comes from qemu?

Michal

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