On Tue, Dec 23, 2025 at 02:52:20PM +0100, Philippe Mathieu-Daudé wrote:
> ping?
picked it up.
> On 24/11/25 12:47, Philippe Mathieu-Daudé wrote:
> > Before commit 3716d5902d7 ("pci: introduce a bus master container")
> > device view of the bus address space was correctly sized to the
> > bus aperture, but then it always used a 64-bit aperture. Restore
> > the previous behavior, so devices on 32-bit PCI only see 32-bit
> > address space.
> >
> > Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
> > ---
> > hw/pci/pci.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/hw/pci/pci.c b/hw/pci/pci.c
> > index b1eba348e06..64f33b9de04 100644
> > --- a/hw/pci/pci.c
> > +++ b/hw/pci/pci.c
> > @@ -1375,7 +1375,8 @@ static PCIDevice *do_pci_register_device(PCIDevice
> > *pci_dev,
> > pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
> > memory_region_init(&pci_dev->bus_master_container_region,
> > OBJECT(pci_dev),
> > - "bus master container", UINT64_MAX);
> > + "bus master container",
> > + memory_region_size(bus->address_space_mem));
> > address_space_init(&pci_dev->bus_master_as,
> > &pci_dev->bus_master_container_region,
> > pci_dev->name);
> > pci_dev->bus_master_as.max_bounce_buffer_size =
