Am 11. Oktober 2023 18:59:52 UTC schrieb "Philippe Mathieu-Daudé" 
<phi...@linaro.org>:
>PCI functions are plugged on a PCI bus. They can only access
>external memory regions via the bus.
>
>Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>

With `info mtree` and `info mtree -f` in the QEMU console before and after this 
patch I get the same results for `qemu-system-x86_64 -M q35 -S`. So:

Reviewed-by: Bernhard Beschow <shen...@gmail.com>

>---
> hw/isa/lpc_ich9.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
>index 3f59980aa0..213b667f9b 100644
>--- a/hw/isa/lpc_ich9.c
>+++ b/hw/isa/lpc_ich9.c
>@@ -707,8 +707,8 @@ static void ich9_lpc_realize(PCIDevice *d, Error **errp)
>         return;
>     }
> 
>-    isa_bus = isa_bus_new(DEVICE(d), get_system_memory(), get_system_io(),
>-                          errp);
>+    isa_bus = isa_bus_new(DEVICE(d), pci_address_space(d),
>+                          pci_address_space_io(d), errp);
>     if (!isa_bus) {
>         return;
>     }

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