[SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached
Michael S. Tsirkin
mst at redhat.com
Mon Apr 7 14:11:36 CEST 2014
On Mon, Apr 07, 2014 at 02:01:41PM +0200, Gerd Hoffmann wrote:
> On Mo, 2014-04-07 at 13:59 +0300, Marcel Apfelbaum wrote:
> > If a pci-2-pci bridge supports hot-plug functionality but there are no devices
> > connected to it, reserve IO/mem in order to be able to attach devices
> > later. Do not waste space, use minimum allowed.
> Makes sense.
> > + u8 shpc_cap = pci_find_capability(s->bus_dev, PCI_CAP_ID_SHPC);
> Should we also check for hotplug-capable pci express ports while being
> at it?
Can be a separate patch?
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