On Fri, Oct 14, 2016 at 03:13:16PM +0200, 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:
[in person, there is no mailing list link]
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.
Also, would it be possible to make this feature of leaving free hot-pluggable slots opt-in? E.g. a <controller model='pcie-root-port'> without an index would be considered a port where we should not put devices with auto-assigned addresses. (This might actually be more ugly than the proposed solution, or the 'freeHotplugSlots' attribute, but I dislike implicit device additions after having model='none' memballoon and usb controller) Jan
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