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Re: [libvirt] [PATCH] docs: Add "PCI topology and hotplug" guidelines



W dniu 25.07.2017 o 12:42, Andrea Bolognani pisze:

> For all machine types except i440fx, making a guest hotplug
> capable requires some sort of planning. Add some information
> to help users make educated choices when defining the PCI
> topology of guests.

Thanks a lot for that documentation.

At Linaro we use AArch64 servers to deploy VM machines (with OpenStack
Newton or just libvirt) and issues with PCI hotplug came again and again.

https://bugs.linaro.org/show_bug.cgi?id=2819 is main one. It was created
when we used libvirt 2.2.0 but now we are at 3.4.0 version and problem
is finally debugged properly ;D

>From my tests it looks like adding 9-10 pcie-root-port devices will
handle our use - just have to convince OpenStack guys about it (or find
a way around libvirt to get those by default).


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