On 18 January 2016 at 18:16, Laszlo Ersek <ler...@redhat.com> wrote: > On 01/18/16 19:08, Peter Maydell wrote: >> On 18 January 2016 at 15:27, Marcel Apfelbaum <mar...@redhat.com> wrote: >>> PCI devices can't be plugged directly into PCI extra root bridges >>> because their resources can't be computed by firmware before the ACPI >>> tables are loaded. >>> >>> Signed-off-by: Marcel Apfelbaum <mar...@redhat.com> >>> --- >>> >>> Hi, >>> >>> This patch follows the discussion: >>> https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg01484.html >> >> Is it definitely the case that no current working command lines plug >> PCI devices directly into these things (including on platforms that >> don't have anything to do with ACPI at all) ? > > No clue about "pxb-pcie", but re: "pxb", the documentation and examples > by Marcel (see: "docs/pci_expander_bridge.txt") will certainly continue > working, with this patch place. And, that text file is authoritative for > pxb, since Marcel (et al) wrote the code directly for the purposes > described in the txt.
That may be true, but the patch is changing core code in hw/pci/pci.c and it's not obvious to me that that's going to be limited to just pxb or pxb-pcie; so it seemed worth asking. thanks -- PMM
