[libvirt] [PATCH v3 19/18] [RFC] qemu: assure there are always at least 4 open pcie-root-ports for hotplug

[Laine Stump]

On 10/14/2016 09:13 AM, Andrea Bolognani wrote:
> On Thu, 2016-09-29 at 15:20 -0400, Laine Stump wrote:
>> In the absense of anything configurable, we will need to pick a number
>> though. I've done that here, and now we can argue about it (or not :-)
> Ján raised an interesting point: whatever number we choose,
> no matter how wrong doing so is, some user or application
> will end up relying on us providing at least that many
> hotpluggable ports, so there's no going back.
>
> For that reason, I would recommend leaving just a single
> empty hotpluggable port for now, and raise the number in
> the future if we find out that one's definitely not enough.

That makes sense. I've already updated the patch per our conversation in 
the other thread, but will update it further to reflect this idea as well.