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Re: [libvirt] [PATCH 5/5] conf: add pcie-root controller



On Tue, Jul 23, 2013 at 10:44:55AM -0400, Laine Stump wrote:
> This controller is implicit on q35 machinetypes. It provides 31 PCIe
> (*not* PCI) slots as controller 0.
> 
> Currently there are no devices that can connect to pcie-root. For a
> usable q35 system, we still need to add a "dmi-to-pci-bridge" pci
> controller, which can connect to pcie-root, and provides pci slots.

Presumably you have another patch which auto-adds a 'dmi-to-pci-bridge'
device when we see a q35 machine, so that auto-PCI address assignment
still works ? If we relied on the user to add that device, then legacy
apps will not work against a QEMU which defaults to q35, since they'll
be adding PCI devices but not know that they need to add this bridge.


Daniel
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